CN101902805A - Multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof - Google Patents
Multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof Download PDFInfo
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- CN101902805A CN101902805A CN2010101679929A CN201010167992A CN101902805A CN 101902805 A CN101902805 A CN 101902805A CN 2010101679929 A CN2010101679929 A CN 2010101679929A CN 201010167992 A CN201010167992 A CN 201010167992A CN 101902805 A CN101902805 A CN 101902805A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention provides a multi-radio frequency (RF) mining multifunctional wireless Mesh router device and a control system thereof. The device comprises a master control system board, a subsystem board and the like, wherein the master control system board comprises a master controller MCU, a master control system power processing module, a ZigBee communication module, a wireless transmission power control circuit, an energy conservation control circuit and the like; the subsystem board comprises a sub-controller CPU, a subsystem power processing module, a WiFi intelligent access card and the like; and the control system comprises a hardware device bottom driving system, an embedded operating system, an energy conservation control system, a multifunctional Mesh router control system and the like. The router device and the control system have the advantages of supporting simultaneous transmission of multimedia services in multi-radio frequency channel WiFi and ZigBee wireless Mesh networks, high-reliability communication, self-organizing networking and various types of flexible access of the service, along with high communication anti-interference capacity, low cost, long standby life and great suitability for the field of mine wireless communication.
Description
Technical field
The present invention relates to the multi-media radio communications field, mine, specifically, is a kind of multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof.
Background technology
China's Mine Safety in Production accident and natural calamity take place often, for the ease of the daily investigation potential safety hazard in ore deposit side and preventing trouble before it happens, can organize emergency repair strength fast when avoiding mine natural calamity and industrial accident generation such as particularly serious and disaster accident to take place and make search and rescue and wait commanding and decision-making, develop the mine multi-media radio communication technology and equip and has very great and the urgent realistic meaning.
The emergency communication of tradition mine multimedia is in wired mode, and along with the development of short-range communication technique such as downhole wireless transducer networking and WLAN (wireless local area network) and the increase of application demand, Wi-Fi communication is just demonstrating superiority incomparably flexibly.At present, the general technology such as explosion-proof intercom, through the earth communication or system for mine personal handphone that adopt of the emergent radio communication system that mine emergency rescue group is equipped with, these technology all face function singleness and do not support limitation such as the real-time reliable transmission of multimedia communication service.For example explosion-proof intercom is to adopt point-to-point half-duplex wireless communication technology, do not support the multimedia information acquisition terminal to insert and the multi-hop wireless transmission, and transmission range is subject to the tunnel complex environment greatly.The restriction that through the earth communication is disposed by loop aerial can't be covered the disaster and the accident generation area that do not possess the loop aerial deployment conditions, as the digging operation face.System for mine personal handphone is because wireless working frequency range is relatively low, and for noisy environment, the transmission of its signal will be had a strong impact on, and the Personal Handyphone System transmission rate has only 64Kb/s～128Kb/s, can't satisfy the demand of multimedia service wideband transmit.
WiFi (Wireless Fidelity, Wireless Fidelity) wireless Mesh netword adopts and supports IEEE802.11s standard and the WLAN (wireless local area network) (transmission technology of IEEE 802.11 (a/b/g/n), wherein bandwidth rates can reach 11Mb/s, 54Mb/s and 108Mb/s, even higher.The WiFi wireless Mesh netword has advantages such as the IP of support interconnection technique, high bandwidth, multi-hop transmission, self-organization of network, dynamic routing and the easy deployment of self study, wireless communication link self-healing and network thereof, but the equipment work power consumption is bigger usually.Although the broadband emergency communication equipment based on wireless Mesh netword is more extensive in Ground Application, that is because be not subjected to supply power mode, weight, power-supply battery capacity and circuit design must meet the restriction of conditions such as essential safety in Ground Application.When really being applied to underground communica tion, but be difficult to the suitable portable intrinsic safety electric source of design, particularly face weight of equipment and power-supply battery Capacity design practical difficulty such as be difficult to meet consumers' demand.Therefore, how guaranteeing standby life-span and the transmission of supporting multimedia service that these equipment are long as far as possible in the down-hole, is that can current wireless Mesh network technology use the key technology challenge that faces in the mine communication field.
The shortcoming of prior art is: existing various mining multimedia telecom equipment function singlenesses, wireless transmission power consumption, transmission bandwidth and transmission range index all are subjected to mutual restriction, real-time reliable transmission that can not fine support multimedia communication service.Though existing ground WiFi wireless Mesh netword has advantages such as the IP of support interconnection technique, high bandwidth, multi-hop transmission, self-organization of network, dynamic routing and self study thereof, is subjected to the restriction of underground power supply used for mine mode and power supply capacity again.Also lack a kind of multi-radio frequency mining multifunctional wireless Mesh router device in the prior art, require to support the fusion of various communications protocols, the real-time reliable transmission of multimedia communication service can be satisfied, and the restriction of underground power supply used for mine mode and power supply capacity can be adapted to.
Summary of the invention
The purpose of this invention is to provide a kind of multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof, not only be adapted to the environmental constraints of mine radio communication, also has multimedia service wideband transmit function simultaneously, and wireless transmission is reliable, communication quality is stable, cost is low, standby life-span length, strong interference immunity, characteristics such as easy to use, be particularly suitable for wireless communications application such as the emergent search and rescue of China's mine disaster, have very big social benefit and economic benefit.
For achieving the above object, the invention provides a kind of multi-radio frequency mining multifunctional wireless Mesh router device, to form by master control system plate and subsystem plate, its key is:
Described master control system plate is provided with master controller MCU, the first serial end of this master controller MCU is connected with the ZigBee communication module, the second serial end of this master controller MCU is connected with the 0th serial ports end of serial ports expansion module, the first serial end of described serial ports expansion module is connected with first modular converter, the output port of this first modular converter is a field-bus interface, the second serial end of described serial ports expansion module is connected with second modular converter, the output port of this second modular converter is the RS232 interface, also is provided with radio transmitted power control circuit and energy-saving control circuit on the described master controller MCU;
Described subsystem plate is provided with sub-controller CPU, this sub-controller CPU is connected with at least one WiFi intelligence access card through internal bus, also be connected with subsystem RS232 serial ports and subsystem RJ45 network interface on the described internal bus, described subsystem RS232 serial ports is connected with the RS232 interface of described master control system plate.
Master controller MCU realizes that by first serial communication interface carrying out the network information with the ZigBee communication module reaches data processing, protocol conversion and ZigBee network internal map addresses etc. alternately.The master control system plate expands to two TTL232 communication interfaces by the serial ports expansion module is set with second serial communication interface of master controller MCU.One of them TTL232 interface is converted to the RS485 field-bus interface through first modular converter, realize and down-hole RFID (Raido FrequencyIdentification, REID) personnel positioning equipment interconnected with communicate by letter, another TTL232 interface converts the RS232 interface to and links to each other with subsystem RS232 serial ports through second modular converter, realizes master control system plate and the interconnected of subsystem plate and communicates by letter.
Described subsystem plate is called WiFi Mesh system board again, wherein sub-controller CPU is used to coordinate and the work of managing each part of communicating by letter of WiFi Mesh system board, be embedded in embedded real-time operating system powerful and that support multi-hop wireless Mesh network routing function at sub-controller CPU, and supported functions such as IEEE 802.11a/b/g WLAN standard and 802.11s wireless Mesh netword draft standard.WiFi intelligence access card, subsystem RS232 serial ports and subsystem RJ45 network interface all are to realize Mesh bridge joint interconnected communication by the internal bus on the WiFi Mesh system board.Described WiFi intelligence access card is supported the wireless access of IEEE 802.11a/b/g wireless technology standard and multimedia information acquisition terminals such as data, voice, image and video fully.
Described radio transmitted power control circuit can change the transmitting power of described ZigBee communication module and WiFi intelligence access card.
Be provided with the power grade regulating switch in the described radio transmitted power control circuit, 8 path switching signal lines of this power grade regulating switch output are parallel to be connected on 8 road inputs of 8-3 encoder, 3 road outputs of this 8-3 encoder are parallel to be connected on three road power control signal inputs of described master controller MCU, and described three road power control signal inputs are three tunnel general purpose I/O interface of master controller MCU.
The 8 kinds of power emission states that adopted 8 path switching signal correspondences, by the 8-3 coder transitions is that 3 road signals are sent among the master controller MCU, in master controller MCU, set up the relevant parameters mapping relations, the corresponding a kind of radio transmitted power State Control parameter of each switching signal, master controller MCU respectively by first serial and second serial with the radio transmitted power State Control parameter configuration of correspondence on described ZigBee communication module and WiFi intelligence access card, thereby realize radio transmitted power grade adjusting function.
The master controller MCU of described energy-saving control circuit on the one hand can be by the on/off of the indirect control subsystem plate of control power supply input gating module, can pass through the on/off of the WiFi intelligence access card of control subsystem plate on the other hand, thereby reduce expending of system power supply energy.
Described energy-saving control circuit is provided with power supply input gating module, this power supply input gating module is provided with and enables control port, this enables control port and is connected with the Energy Saving Control signal output port of described master controller MCU, and the output of described power supply input gating module is described subsystem plate power supply.
The level that changes described Energy Saving Control signal output port output by master controller MCU is controlled the work output state of power supply input gating module, thereby realizes the on/off control of antithetical phrase system board, effectively reduces expending of system power supply energy.
On the master control system plate, also be provided with portable intrinsic safety electric source processing module of big capacity and master control system power supply processing module, on the subsystem plate, also be provided with the subsystem power supply processing module, the input of the portable intrinsic safety electric source processing module of described big capacity is connected with extraneous Portable DC power supply, the output of the portable intrinsic safety electric source processing module of this big capacity is connected on the input of described master control system power supply processing module and power supply input gating module, the output of described master control system power supply processing module is described master control system plate power supply, the output of described power supply input gating module is connected with the input of described subsystem power supply processing module, and the output of this subsystem power supply processing module is described subsystem plate power supply.
The big portable intrinsic safety electric source processing module of capacity obtains the power supply input from extraneous Portable DC power supply after, will carry out intrinsic safety from the power supply of external world's input and handle, last voltage stabilizing output is so that guarantee the operate as normal of each module on the master control system plate.Can realize the wide-range voltage input of extraneous power supply by the portable intrinsic safety electric source processing module of big capacity that is provided with.
Be connected with 3 Mini-PCI interfaces on the internal bus of described subsystem plate, the described Mini-PCI interface described WiFi intelligence access card of pegging graft.
System supports 3 WiFi Mesh wireless extensions Mini-PCI interfaces, and WiFi intelligence access card has made things convenient for the flexible installation and the replacing of WiFi intelligence access card by WiFi Mesh wireless extensions interface and described internal bus bridge joint and interconnected communication.
Described ZigBee communication module disposes first RF of the high-gain omnidirectional antenna, and its working frequency range is 2.4GHz; Be used for the transmitting-receiving of ZigBee network insertion and business datum, for down-hole RFID personnel positioning equipment and other ZigBee sensor terminal data services provide a wireless Mesh netword communications platform.Described WiFi intelligence access card disposes second RF of the high-gain omnidirectional antenna, and its working frequency range is 2.4GHz or 5.8GHz.Be used for being responsible for the access and the data transmit-receive of service terminals such as WiFi sound, video.Adopt the business datum of a plurality of RF antenna independent process ZigBee wireless Mesh networds and WiFi wireless Mesh netword, system communication stability and reliability are higher, adopt the high-gain RF of omnidirectional antenna, simplified the installation steps of RF antenna, strengthened the disaster environment adaptive capacity of system.
The present invention also provides a kind of control system of multi-radio frequency mining multifunctional wireless Mesh router device, and its key feature is: be provided with the wireless Mesh netword route control system, described wireless Mesh netword route control system comprises:
Be arranged on ZigBee protocol module and 802.15.4 protocol module in the ZigBee communication module, described 802.15.4 protocol module is used to support that the physical layer of ZigBee wireless Mesh netword inserts, and described ZigBee protocol module is used to realize ZigBee wireless Mesh netword business datum multi-hop route and transmission;
Be arranged on User Defined protocol module and protocol conversion and address mapping module among the master controller MCU, described User Defined protocol module is used to support the physical layer of fieldbus business datum to insert, and described protocol conversion and address mapping module are used to realize that the protocol frame format of fieldbus business datum and ZigBee wireless Mesh netword business datum changes mutually;
Be arranged on 802.11 protocol modules, 802.3 protocol modules and IP agreement and address mapping module among the subsystem CPU, described 802.11 protocol modules are used to support that the physical layer of WiFi wireless Mesh netword inserts, the physical layer that described 802.3 protocol modules are used for the supporting industry Ethernet inserts, and described IP agreement and address mapping module are used to realize the IP route and the transmission of Mesh multi-hop of WiFi wireless Mesh netword and Industrial Ethernet network business datum.
Multi-functional Mesh route control system of the common composition of various protocols module and protocol conversion module realizes supporting simultaneously WiFi wireless Mesh netword and the independence dynamic routing of ZigBee wireless Mesh netword and the transmission of Mesh multi-hop.Its traffic data type of mainly handling with route has: WiFi wireless Mesh netword business datum, Industrial Ethernet network business datum, ZigBee wireless Mesh netword business datum and fieldbus business datum.From WiFi wireless Mesh netword business datum (as the mine intrinsic safety data in mobile phone) and Industrial Ethernet network business datum is by carrying out WiFi wireless Mesh netword multi-hop route and transmission after IP agreement and the map addresses processing.And be to carry out ZigBee wireless Mesh netword multi-hop route and transmission by the ZigBee protocol module from ZigBee wireless Mesh netword business datum (as 2.4GHz ZigBee sensor terminal data) and fieldbus business (as down-hole RFID personnel positioning equipment) data.In data transmission procedure, the fieldbus business datum just can be carried out ZigBee wireless Mesh netword multi-hop route and transmission after must being converted into ZigBee wireless Mesh netword business datum by protocol conversion and address mapping module earlier.
The present invention also provides a kind of control system of multi-radio frequency mining multifunctional wireless Mesh router device, wherein also is provided with energy-saving control system, and described energy-saving control system comprises soft dormancy controlling organization and hard dormancy controlling organization;
Be provided with in the described soft dormancy controlling organization:
Be used for the device that WiFi intelligence access card enables;
Be used to judge whether to receive the device of soft sleep command;
When not receiving soft sleep command, then be used to return the device that WiFi intelligence access card enables;
When receiving soft sleep command, then
Be used to forbid the device of WiFi intelligence access card;
Be used to be provided with soft dormancy device regularly;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device that WiFi intelligence access card enables;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device that WiFi intelligence access card enables;
Be provided with in the described hard dormancy controlling organization:
The device that is used for the energising of Mesh system board;
Be used to judge whether to receive the device of hard sleep command;
If do not receive hard sleep command, then be used to return the device of Mesh system board energising;
If receive hard sleep command, then
The device that is used for the outage of Mesh system board;
Be used to be provided with hard dormancy device regularly;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device of Mesh system board energising;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device of Mesh system board energising.
Energy-saving control system adopts strides layer design, and mainly by master controller MCU control, master controller MCU controls the system works pattern in real time according to the service condition in the network, and main definition has soft park mode, hard park mode and awake mode in system.The multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine of described multi-radio frequency mining multifunctional wireless Mesh router device upper strata wireless association judges whether there is the professional transmission of WiFi in the mining multimedia emergent radio Mesh network by inserting IP network and periodic inquiry multimedia service server with this.If there is not the professional transmission of WiFi, described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine is then broadcasted soft sleep command by ZigBee wireless Mesh netword communications platform.
When all multi-radio frequency mining multifunctional wireless Mesh router devices in the described multimedia emergent radio Mesh network receive soft sleep command by the ZigBee communication module that carries, then the signal of the output of the master controller MCU on master control system plate forbidding WiFi intelligence access card access is to the subsystem plate, when the sub-controller CPU in the described subsystem plate receives the signal of forbidding WiFi intelligence access card access, then stop the work of WiFi intelligence access card, make system enter soft park mode.This moment, master controller MCU controlled the time of soft dormancy, the timing unanimity of all multi-radio frequency mining multifunctional wireless Mesh router devices, when timing finishes, then send WiFi intelligence access card enable signal to described sub-controller CPU, enable by sub-controller CPU control WiFi intelligence access card, all multi-radio frequency mining multifunctional wireless Mesh router devices automatically restore to awake mode simultaneously.
Described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine continues the business datum in the network is inquired about and monitored, if still there is not the WiFi business, then broadcast a soft sleep command once more by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, all multi-radio frequency mining multifunctional wireless Mesh router devices in the network enter soft park mode once more, multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine is added up the number of times of soft dormancy, if still do not have the WiFi business in the network after the repeatedly soft dormancy, then broadcast a hard sleep command by the ZigBee wireless Mesh netword by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine;
When the ZigBee communication module in the multi-radio frequency mining multifunctional wireless Mesh router device receives hard sleep command, described master controller MCU output outage control signal is on described power supply input gating module, cut off the power supply of subsystem plate by power supply input gating module, system enters hard park mode, simultaneously, master controller MCU controlled the time of hard dormancy, the hard dormancy time of all multi-radio frequency mining multifunctional wireless Mesh router devices is also consistent, when timing finishes, described master controller MCU then exports the energising control signal, and all multi-radio frequency mining multifunctional wireless Mesh router devices automatically restore to awake mode simultaneously.
If in soft park mode or hard sleep mode process, when the WiFi communication service is initiated at ground control or dispatching and monitoring center, described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine will be broadcasted a dormancy the finish command, when all multi-radio frequency mining multifunctional wireless Mesh router devices received dormancy the finish command, all multi-radio frequency mining multifunctional wireless Mesh router devices automatically restored in the awake mode simultaneously.By coming and going circulation like this, system order ground switches on each mode state, finally reaches the energy-conservation effect of communication.
Remarkable result of the present invention is: a kind of multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof are provided, have had following feature:
1. support multimedia services such as downhole data, voice, video and image to carry out the transmission of wireless Mesh netword multi-hop simultaneously.Described multi-radio frequency mining multifunctional wireless Mesh router device has been realized WIFI wireless Mesh netword and route transmission hardware platform, support WIFI wireless terminals such as sound, video to insert and professional transmission, and the wireless transmission bandwidth theory can reach 54Mbps.
2. realized the hardware platform that down-hole RFID personnel positioning equipment or fieldbus sensor terminal data carried out dynamic radio Mesh route and transmission based on the ZigBee wireless Mesh netword, and by the WIFI wireless Mesh netword of the serial ports control energy-conservation circuit design of communicating by letter, can effectively prolong system and device standby life time and reach 23%～32%, realize supporting simultaneously the interface circuit of WIFI wireless Mesh netword and multiple technologies standards such as ZigBee wireless Mesh netword, Industrial Ethernet and fieldbus in addition.
3. realized the quick emergency arrangement of communication system and ad-hoc wireless Mesh networking, network communication link self-healing and multi-hop wireless Mesh network dynamic routing transmission by ZigBee communication module and WiFi intelligence access card, and maximum can be supported 3 WIFI Mesh wireless extensions interfaces (Mini-PCI) and highly reliable wireless Mesh netword route of many RF passage and transmission;
4. system and device adopts the transmission of many RF channel network, and communication anti-interference capability is strong, is supported in two kinds of microwave frequency band work of 2.4GHz and 5.8GHz, supports apolegamy omnidirectional or directed high-gain external antenna.
5. system and device has realized that big capacity intrinsic safety portable power supplies two-way automaticallyes switch and the intrinsically safe circuit control technology, and adopt high-effect energy-saving control system, the standby life-span can reach 60～72 hours, degree of protection can reach more than the IP65, can adapt under abominable disaster environment such as down-hole, mine high temperature, high humidity and high coal dust to use.
Description of drawings
Fig. 1 is that circuit structure of the present invention is formed schematic diagram;
Fig. 2 is multi-functional Mesh route of the present invention and energy-saving control system model schematic diagram;
Fig. 3 is an energy-saving control system control flow chart among the present invention;
Fig. 4 is that mine multi-media radio Mesh network route and terminal equipment thereof insert schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
As shown in Figure 1: a kind of multi-radio frequency mining multifunctional wireless Mesh router device, form by master control system plate 1 and subsystem plate 2, described master control system plate 1 is provided with master controller MCU 15, the first serial end UART1 of this master controller MCU 15 is connected with ZigBee communication module 14, the second serial end UART2 of this master controller MCU 15 is connected with the 0th serial ports end COM0 of serial ports expansion module 17, the first serial end COM1 of described serial ports expansion module 17 is converted to field-bus interface through first modular converter 16, the second serial end COM2 of this serial ports expansion module 17 is converted to the RS232 interface through second modular converter 18, also be provided with radio transmitted power control circuit and energy-saving control circuit on the described master controller MCU15, on master control system plate 1, also be provided with master control system power supply processing module 11;
Described subsystem plate 2 is provided with sub-controller CPU 26, the internal bus of this sub-controller CPU 26 is connected with three Mini pci interfaces 23, on described Mini pci interface 23, be plugged with WiFi intelligence access card 22, also be connected with subsystem RS232 serial ports 24 and subsystem RJ45 network interface 25 on the described internal bus, described subsystem RS232 serial ports 24 links to each other with the RS232 interface of master control system plate 1, also is provided with subsystem power supply processing module 21 on subsystem plate 2.
In specific implementation process, described master controller MCU15 adopts 16MHz MCU controller, its master chip is MSP 430F249, the master chip that serial ports expansion module 17 adopts is GM8123, first modular converter 16 adopts SP3485, major function is that TTL232 is converted into the RS485 bus interface, and second modular converter adopts SP3232, and major function is that TTL232 is converted to the RS232 serial ports.Described sub-controller CPU 26 adopts 266MHz high-performance cpu controller, and its chip model is MPC8321.
The RS485 field-bus interface is mainly used in and connects various down-hole RFID (RaidoFrequency Identification, radio-frequency (RF) identification) personnel positioning equipment, the data that the RS485 field-bus interface collects upload in the master controller MCU15 after through first modular converter 16 and serial ports expansion module 17, carry out agreement and data frame format conversion by master controller MCU 15, make that at last data can route and transmission in the ZigBee wireless Mesh netword.
The access of the WiFi intelligence access card 22 mining WiFi handsets of support and other WiFi sound, video terminal, the RF of the high-gain omnidirectional antenna of WiFi intelligence access card 22 configuration 2.4GHz or 5.8GHz, RF antenna working frequency range and WiFi intelligence access card 22 working frequency range are consistent, and data wireless transmission theory bandwidth can reach 54Mbps.System can adopt many RF passage respectively to ZigBee wireless Mesh netword data and WiFi wireless Mesh netword data independent transmission, has strengthened the reliability and the anti-electromagnetic interference capability of communicating by letter of system.
Subsystem RJ45 network interface 25 is used to connect outside Industrial Ethernet network, is mainly used in the data message that receives and send outside Industrial Ethernet terminal equipment.
Described master control system power supply processing module 11 and subsystem power supply processing module 21 output 3.3V voltage of direct-flow voltage regulation, each functional module that is respectively other is powered.
The power grade regulating switch EMR-08 that is provided with in the described radio transmitted power control circuit is 8 toggle switchs, each toggle switch is exported a path switching signal, corresponding and a kind of radio transmitted power grade of difference, 8 road toggle switch holding wires of output are parallel to be connected on 8 road inputs of 8-3 encoder, the model of 8-3 encoder adopts 74LS148, through the 8-3 encoder 8 path switching signals are converted to the parallel P1.4 that is connected master controller MCU15 of 3 road code signals, on three I/O ports of P1.5 and P1.6, order by being converted into corresponding radio transmitted power grade regulation and control after the comprehensive judgement of master controller MCU15, thereby the grade that realizes the corresponding transmitting power of wireless module is controlled.The coded input signal of 8 grades, corresponding ZigBee communication module radio transmitted power be 20dBm, 19dBm, 17dBm, 15dBm, 13dBm, 10dBm, 5dBm and-5dBm, corresponding WiFi intelligence access card then is 19dBm, 17dBm, 15dBm, 13dBm, 10dBm, 8dBm, 5dBm and 0dBm.
Be provided with power supply input gating module 13 in the described energy-saving control circuit, this power supply input gating module 13 is provided with and enables control port En, this enables control port En and is connected with the I/O interface P1.7 of described master controller MCU 15, the output of described power supply input gating module 13 is described subsystem plate 2 power supplies, by concrete Energy Saving Control algorithm in energy-saving control circuit in the device and the system, output level by master controller MCU15 control P1.7 port is controlled the break-make that power supply is imported gating module 13, thus the on/off of control subsystem version 2.Whether exist the WiFi business to come control subsystem plate 2 whether to work by checking in the network in the Energy Saving Control algorithm, switch, reduced the energy consumption of system, prolong the device standby life time by circulation in park mode and mode of operation.
Also be provided with the portable intrinsic safety electric source processing module 12 of big capacity on the described master control system plate 1, the input of the portable intrinsic safety electric source processing module 12 of this big capacity is connected with extraneous Portable DC power supply (DC), and the output of the portable intrinsic safety electric source processing module 12 of this big capacity is connected on the input of described master control system power supply processing module 11 and power supply input gating module 13.
The big portable intrinsic safety electric source processing module 12 of capacity obtains the power supply input from extraneous Portable DC power supply DC after, to carry out intrinsic safety from the power supply of the input in the external world handles, it is stable to make that external direct current power supply can both keep exporting in the excursion of 12V～18V, thereby has guaranteed the operate as normal of each module and system board.
As shown in Figure 2, the control system of described a kind of multi-radio frequency mining multifunctional wireless Mesh router device is finished by software section, except bottom hardware device driver system and embedded real-time operating system, also be provided with the wireless Mesh netword route control system in the described control system, this wireless Mesh netword route control system comprises:
Be arranged on ZigBee protocol module a and 802.15.4 protocol module c in the ZigBee communication module 14, described 802.15.4 protocol module c is used to support that the physical layer of ZigBee wireless Mesh netword inserts, and described ZigBee protocol module a is used to realize ZigBee wireless Mesh netword business datum multi-hop route and transmission;
Be arranged on User Defined protocol module b and protocol conversion and address mapping module d among the master controller MCU15, described User Defined protocol module b is used to support the physical layer of fieldbus business datum to insert, and described protocol conversion and address mapping module d are used to realize that the protocol frame format of fieldbus business datum and ZigBee wireless Mesh netword business datum changes mutually;
Be arranged on 802.11 protocol module e, 802.3 protocol module f and IP agreement and address mapping module g among the subsystem CPU 26, described 802.11 protocol module e are used to support that the physical layer of WiFi wireless Mesh netword inserts, the physical layer that described 802.3 protocol module f are used for the supporting industry Ethernet inserts, and described IP agreement and address mapping module g are used to realize the IP route and the transmission of Mesh multi-hop of WiFi wireless Mesh netword and Industrial Ethernet network business datum.
As shown in Figure 3, also be provided with energy-saving control system in the described control system, this energy-saving control system comprises soft dormancy controlling organization and hard dormancy controlling organization;
Be provided with in the described soft dormancy controlling organization:
Be used for the device that WiFi intelligence access card enables;
Be used to judge whether to receive the device of soft sleep command;
When not receiving soft sleep command, then be used to return the device that WiFi intelligence access card enables;
When receiving soft sleep command, then
Be used to forbid the device of WiFi intelligence access card;
Be used to be provided with the regularly device of Ts of soft dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device that WiFi intelligence access card enables;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device that WiFi intelligence access card enables;
Be provided with in the described hard dormancy controlling organization:
The device that is used for the energising of Mesh system board;
Be used to judge whether to receive the device of hard sleep command;
If do not receive hard sleep command, then be used to return the device of Mesh system board energising;
If receive hard sleep command, then
The device that is used for the outage of Mesh system board;
Be used to be provided with the regularly device of Th of hard dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device of Mesh system board energising;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device of Mesh system board energising.
Operation principle of the present invention is:
As shown in Figure 4, the mining wireless Mesh netword of the common composition of communication equipments such as multi-radio frequency mining multifunctional wireless Mesh router device of the present invention and Mesh multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, because multi-radio frequency mining multifunctional wireless Mesh router device has interface circuit and the treatment system of supporting various protocols, so on multi-radio frequency mining multifunctional wireless Mesh router device and multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, can be connected multiple mining communication ends equipment, comprise the mine intrinsic safety mobile phone, mining video and IMAQ terminal, down-hole RFID personnel positioning equipment and 2.4GHz ZigBee transducer etc.WiFi wireless Mesh netword business datum and ZigBee wireless Mesh netword business datum by many RF passage independent process between the multi-radio frequency mining multifunctional wireless Mesh router device and between multi-radio frequency mining multifunctional wireless Mesh router device and the multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine.
In actual applications, the traffic data type mainly handled with route of described multi-radio frequency mining multifunctional wireless Mesh router device and control system thereof has: WiFi wireless Mesh netword business datum, Industrial Ethernet network business datum, ZigBee wireless Mesh netword business datum and fieldbus business datum.
Various parameter requests according to 802.15.4 protocol module c regulation are configured the ZigBee communication module, make the ZigBee sensor terminal insert in the multi-radio frequency mining multifunctional wireless Mesh router device through first RF of the high-gain omnidirectional antenna wireless, the data that described ZigBee sensor terminal sends are ZigBee wireless Mesh netword business datum, a carries out the selection of routed path through the ZigBee protocol module, the data that receive are forwarded to next by first RF of the high-gain omnidirectional antenna again and jump in multi-radio frequency mining multifunctional wireless Mesh router device or the multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, upload to ground control or dispatching and monitoring center by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine through WLAN or TCP/IP network at last, make that ground control or dispatching and monitoring center can the various monitoring parameters in real-time perception down-hole.
The technical staff has done self-defined processing to the type of service of fieldbus data in described master controller MCU15, form User Defined protocol module b, make down-hole RFID personnel positioning equipment and part monitoring sensor terminal to insert in the described multi-radio frequency mining multifunctional wireless Mesh router device through the RS485 fieldbus.The fieldbus business datum is a ZigBee wireless Mesh netword business datum through the treatment conversion of described protocol conversion and address mapping module d again, a carries out the selection of routed path through the ZigBee protocol module, the data that receive are forwarded to next by first RF of the high-gain omnidirectional antenna again and jump in multi-radio frequency mining multifunctional wireless Mesh router device or the multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, upload to ground control or dispatching and monitoring center by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine through WLAN or TCP/IP network at last.Make ground control or dispatching and monitoring center can grasp underground work personnel's situation in real time, both can be used for rescue and speedily carried out rescue work, can be used for the work work attendance again.
802.11 protocol module e in the described son control controller CPU 26 dispose WiFi intelligence access card 22, make the WiFi terminal equipment that satisfies 802.11 agreements (as mining mobile phone of WiFi or mining video, IMAQ terminal etc.) be linked in the WiFi intelligence access card 22 through second omnidirectional's high-gain RF antenna, the WiFi wireless Mesh netword business datum that described WiFi intelligence access card 22 receives realizes the selection and the judgement of routed path through IP agreement and address mapping module g, after determining routed path, the data that received are forwarded to next by second omnidirectional's high-gain RF antenna again and jump in multi-radio frequency mining multifunctional wireless Mesh router device or the multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, also can be forwarded to other WiFi terminal, underground work personnel's intercommunication mutually can be realized, the information interaction on down-hole and ground can be realized again.
The 802.3 protocol module f that are provided with in the described son control controller CPU 26, make the Industrial Ethernet network be linked in the described multi-radio frequency mining multifunctional wireless Mesh router device through described subsystem RJ45 network interface 25, described Industrial Ethernet network business datum is through the processing of described IP agreement and address mapping module g, make Industrial Ethernet network business datum can in the WiFi wireless Mesh netword, realize multi-hop route and transmission, the network interconnection of the main supporting industry level of described Industrial Ethernet network equipment with communicate by letter.
Described energy-saving control system then is according to service condition in the network mode of operation of system to be carried out real-time control, and main definition has soft park mode, hard park mode and awake mode in system.The multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine on described multi-radio frequency mining multifunctional wireless Mesh router device upper strata judges in the mining multimedia emergent radio Mesh network whether have the WiFi business by inserting IP network and periodic inquiry multimedia server with this.If there is not the WiFi business, described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine is then broadcasted soft sleep command by the wireless Mesh netword communications platform based on ZigBee, when the ZigBee communication module 14 in the described multi-radio frequency mining multifunctional wireless Mesh router device receives soft sleep command, then connect the signal of card 22 accesses in sub-controller CPU26 by master controller MCU15 output forbidding WiFi intelligence, sub-controller CPU26 then stops 22 work of WiFi intelligence access card, make system enter soft park mode, this moment, master controller MCU15 controlled (is 10 seconds as soft dormancy time Ts is set) to the time of soft dormancy.When timing finishes, then send WiFi intelligence access card 22 enable signals to described sub-controller CPU26, enable by sub-controller CPU26 control WiFi intelligence access card 22, system automatically restores to awake mode.
Described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine continues the business datum in the network is inquired about and monitored, if still there is not the WiFi communication service, then broadcast a soft sleep command once more by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, described multi-radio frequency mining multifunctional wireless Mesh router device enters soft park mode once more, multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine is added up the number of times of soft dormancy, if still there is not WiFi communication service (reaching 3 times) after the repeatedly soft dormancy in the network such as soft dormancy number of times, then broadcast a hard sleep command by the ZigBee wireless Mesh netword by multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine, when the ZigBee communication module 14 in the multi-radio frequency mining multifunctional wireless Mesh router device receives hard sleep command, described master controller MCU15 output outage control signal is on described power supply input gating module 13, by the power supply of power supply input gating module 13 cut-out subsystem plates 2, system enters hard park mode.Simultaneously, master controller MCU15 controls (being set to 60 seconds such as hard dormancy time Th) to the time of hard dormancy, and when timing finished, described master controller MCU15 then exported the energising control signal, and system automatically restores to awake mode.
When if the WiFi communication service is initiated in ground control or dispatching and monitoring center under soft park mode or hard park mode, described multifunctional wireless Mesh gateway device for multi-RF (Radio Frequency) mine will be broadcasted a dormancy the finish command, when multi-radio frequency mining multifunctional wireless Mesh router device receives dormancy the finish command, then automatically restore in the awake mode.By coming and going circulation like this, what system did not stop freely switches under each mode state, finally reaches the communication energy-saving effect.Proof adopts energy-saving control system of the present invention can make described many RF multifunctional wireless Mesh router apparatus standby life time prolong and can reach 32% by experiment.
Claims (9)
1. a multi-radio frequency mining multifunctional wireless Mesh router device is made up of master control system plate (1) and subsystem plate (2), it is characterized in that:
Described master control system plate (1) is provided with master controller MCU (15), the first serial end (UART1) of this master controller MCU (15) is connected with ZigBee communication module (14), the second serial end (UART2) of this master controller MCU (15) is connected with the 0th serial ports end (COM0) of serial ports expansion module (17), the first serial end (COM1) of described serial ports expansion module (17) is connected with first modular converter (16), the output port of this first modular converter (16) is a field-bus interface, the second serial end (COM2) of described serial ports expansion module (17) is connected with second modular converter (18), the output port of this second modular converter (18) is the RS232 interface, also is provided with radio transmitted power control circuit and energy-saving control circuit on the described master controller MCU (15);
Described subsystem plate (2) is provided with sub-controller CPU (26), this sub-controller CPU (26) is connected with at least one WiFi intelligence access card (22) through internal bus, also be connected with subsystem RS232 serial ports (24) and subsystem RJ45 network interface (25) on the described internal bus, described subsystem RS232 serial ports (24) is connected with the RS232 interface of described master control system plate (1).
2. a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 1, it is characterized in that: be provided with power grade regulating switch (EMR-08) in the described radio transmitted power control circuit, 8 path switching signal lines of this power grade regulating switch (EMR-08) output are parallel to be connected on 8 road inputs of 8-3 encoder, and 3 road outputs of this 8-3 encoder are parallel to be connected on three road power control signal inputs (P1.4-P1.6) of described master controller MCU (15).
3. a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 1, it is characterized in that: described energy-saving control circuit is a power supply input gating module (13), this power supply input gating module (13) is provided with and enables control port (En), this enables control port (En) and is connected with the Energy Saving Control signal output port (P1.7) of described master controller MCU (15), and the output of described power supply input gating module (13) is described subsystem plate (2) power supply.
4. according to claim 1,3 described a kind of multi-radio frequency mining multifunctional wireless Mesh router devices, it is characterized in that: on described master control system plate (1), also be provided with portable intrinsic safety electric source processing module of big capacity (12) and master control system power supply processing module (11), on subsystem plate (2), also be provided with subsystem power supply processing module (21), the input of described intrinsic safety electric source processing module (12) is connected with extraneous Portable DC intrinsic safety electric source (DC), and the output of this intrinsic safety electric source processing module (12) is connected on the input of described master control system power supply processing module (11) and power supply input gating module (13).The output of described master control system power supply processing module (11) is described master control system plate (1) power supply, the output of described power supply input gating module (13) is connected with the input of described subsystem power supply processing module (21), and the output of this subsystem power supply processing module (21) is other functional module power supply of described subsystem plate (2).
5. a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 1, it is characterized in that: be connected with 3 Mini-PCI interfaces (23) on the internal bus of described subsystem plate (2), the described WiFi intelligence of described Mini-PCI interface (23) grafting access card (22).
6. a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 1 is characterized in that: described ZigBee communication module (14) is circumscribed with first RF of the high-gain omnidirectional antenna, and its working frequency range is 2.4GHz; Described WiFi intelligence access card (22) is circumscribed with second RF of the high-gain omnidirectional antenna, and its working frequency range can be 2.4GHz or 5.8GHz.
7. a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 1, be characterised in that: be provided with energy-saving control system among the described master controller MCU (15), described energy-saving control system is made up of soft dormancy controlling organization and hard dormancy controlling organization;
Be provided with in the described soft dormancy controlling organization:
Be used for the device that WiFi intelligence access card enables;
Be used to judge whether to receive the device of soft sleep command;
When not receiving soft sleep command, then be used to return the device that WiFi intelligence access card enables;
When receiving soft sleep command, then
Be used to forbid the device of WiFi intelligence access card;
Be used to be provided with the regularly device of (Ts) of soft dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device that WiFi intelligence access card enables;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy time finishes, then be used to return the device that WiFi intelligence access card enables;
Be provided with in the described hard dormancy controlling organization:
The device that is used for the energising of Mesh system board;
Be used to judge whether to receive the device of hard sleep command;
If do not receive hard sleep command, then be used to return the device of Mesh system board energising;
If receive hard sleep command, then
The device that is used for the outage of Mesh system board;
Be used to be provided with the regularly device of (Th) of hard dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device of Mesh system board energising;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy time finishes, then be used to return the device of Mesh system board energising.
8. weigh the control system of 1 described a kind of multi-radio frequency mining multifunctional wireless Mesh router device, it is characterized in that: be provided with multi-functional Mesh route control system, described multi-functional Mesh route control system is made up of ZigBee protocol module (a), User Defined protocol module (b), 802.15.4 protocol module (c), protocol conversion and address mapping module (d), 802.11 protocol modules (e), 802.3 protocol modules (f) and IP agreement and the address mapping module (g) of supporting the wireless Mesh netword route;
Wherein ZigBee protocol module (a) and 802.15.4 protocol module (c) are arranged in the ZigBee communication module (14), described 802.15.4 protocol module (c) is used to support that the physical layer of ZigBee wireless sensor network inserts, and described ZigBee protocol module (a) is used to realize the M esh network route and the multi-hop wireless transmission of ZigBee wireless Mesh netword business datum;
User Defined protocol module (b) and protocol conversion and address mapping module (d) are arranged among the master controller MCU (15), described User Defined protocol module (b) is used to support that the physical layer of fieldbus business datum inserts, and described protocol conversion and address mapping module (d) are used to realize that the fieldbus business datum is converted to ZigBee wireless Mesh netword business datum;
802.11 protocol module (e), 802.3 protocol modules (f) and IP agreement and address mapping module (g) are arranged among the subsystem CPU (26), described 802.11 protocol modules (e) are used to support that the physical layer of WiFi wireless Mesh netword inserts, the physical layer that described 802.3 protocol modules (f) are used for the supporting industry Ethernet inserts, and described IP agreement and address mapping module (g) are used to realize the IP route and the transmission of Mesh multi-hop of WiFi wireless Mesh netword and Industrial Ethernet network business datum.
9. the control system of a kind of multi-radio frequency mining multifunctional wireless Mesh router device according to claim 8 is characterized in that: also be provided with energy-saving control system, described energy-saving control system is made up of soft dormancy controlling organization and hard dormancy controlling organization;
Be provided with in the described soft dormancy controlling organization:
Be used for the device that WiFi intelligence access card enables;
Be used to judge whether to receive the device of soft sleep command;
When not receiving soft sleep command, then be used to return the device that WiFi intelligence access card enables;
When receiving soft sleep command, then
Be used to forbid the device of WiFi intelligence access card;
Be used to be provided with the regularly device of (Ts) of soft dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device that WiFi intelligence access card enables;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device that WiFi intelligence access card enables;
Be provided with in the described hard dormancy controlling organization:
The device that is used for the energising of Mesh system board;
Be used to judge whether to receive the device of hard sleep command;
If do not receive hard sleep command, then be used to return the device of Mesh system board energising;
If receive hard sleep command, then
The device that is used for the outage of Mesh system board;
Be used to be provided with the regularly device of (Th) of hard dormancy;
Be used to judge whether to receive the device of dormancy the finish command;
When receiving dormancy the finish command, then be used to return the device of Mesh system board energising;
When not receiving dormancy the finish command, then
Be used to judge the device whether dormancy regularly finishes;
When dormancy does not regularly finish, then be used to return the device that judges whether to receive dormancy the finish command;
When dormancy regularly finishes, then be used to return the device of Mesh system board energising.
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