CN103531010A - Local communication module device of concentrator - Google Patents
Local communication module device of concentrator Download PDFInfo
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- CN103531010A CN103531010A CN201310513117.5A CN201310513117A CN103531010A CN 103531010 A CN103531010 A CN 103531010A CN 201310513117 A CN201310513117 A CN 201310513117A CN 103531010 A CN103531010 A CN 103531010A
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- amplifying circuit
- communication unit
- carrier wave
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Abstract
The invention relates to a local communication device with a dual-module communication function of a power consumer consumption information acquisition system, and in particular relates to a local communication module device of a concentrator. The device comprises a carrier communication unit and a micropower wireless communication unit, wherein the carrier communication unit is arranged in a state grid standard module box; the micropower wireless communication unit is arranged in a base of an external sucker antenna; the carrier communication unit and the micropower wireless communication unit are connected through a common power cord; the common power cord has an effect of transmitting signals. According to the local communication device, the wireless performance of the communication module of the consumption information acquisition system can be greatly improved; the device is simple in circuit design and good in wireless performance, and can be used for improving the stability of wireless channel communication in practical use.
Description
Technical field
The present invention relates to a kind of local communication device of power consumer power information acquisition system of dual mode communication function.Be specifically related to a kind of concentrator local communication modular device.
Background technology
National Power System mainly adopts low pressure carrier wave or the wireless two kinds of communication technologys of micropower in power information acquisition system concentrator local communication module at present, and wherein micropower wireless communication module mainly contains communication module box and external sucker antenna composition.In actual use, although find that the wireless sucker antenna of micropower is connected with communication module box by concentric cable, but still there is problem of signal attenuation.
Summary of the invention
For addressing the above problem, employing is shifted out micro power radio communication unit from modular cartridge, is directly installed in the base of sucker antenna, has saved the transmission of concentric cable high-frequency signal, avoid the decay of concentric cable to high-frequency signal, reached the object that improves reception.Signal after micro power radio communication cell processing, is transferred to modular cartridge by two normal power cords.Because the signal after the processing of micropower radio-cell is digital signal, so there is not the attenuation problem of signal in transmitting procedure.The object of this invention is to provide a kind of concentrator local communication modular device, the wireless performance of power information acquisition system communication module is greatly improved.Circuit design of the present invention is simple, wireless performance good, can improve in actual use the stability of wireless channel communication.
In order to achieve the above object, the present invention has following technical scheme:
A kind of concentrator local communication modular device of the present invention, comprise carrier communication unit and micro power radio communication unit, carrier communication cellular installation is in the modular cartridge of state's network mark standard, micro power radio communication cellular installation is in the base of external sucker antenna, carrier communication unit is connected by normal power cord with micro power radio communication unit, the effect that described normal power cord also transmits for signal.
Wherein, described carrier communication unit comprises that single-chip microcomputer, carrier communication chip, carrier wave send amplifying circuit, carrier wave wave reception filtering circuit, carrier wave coupled circuit, printed circuit board (PCB), described single-chip microcomputer is connected with carrier communication chip, carrier communication chip sends amplifying circuit with carrier wave respectively, carrier wave wave reception filtering circuit is connected, carrier wave sends amplifying circuit, carrier wave wave reception filtering circuit is connected with carrier wave coupled circuit respectively, and single-chip microcomputer, carrier communication chip, carrier wave transmission amplifying circuit, carrier wave wave reception filtering circuit, carrier wave coupled circuit are fixed on printed circuit board (PCB).
Wherein, described micro power radio communication unit comprises single-chip microcomputer, micro power radio communication chip, wireless receiving amplifying circuit, wireless transmit amplifying circuit, radio frequency converting switch, printed circuit board (PCB), described single-chip microcomputer is connected with micro power radio communication chip, micro power radio communication chip respectively with wireless receiving amplifying circuit, wireless transmit amplifying circuit connects, wireless receiving amplifying circuit, wireless transmit amplifying circuit is connected with radio frequency converting switch respectively, described single-chip microcomputer, micro power radio communication chip, wireless receiving amplifying circuit, wireless transmit amplifying circuit, radio frequency converting switch is fixed on printed circuit board (PCB).
The invention has the advantages that:
1, concentrator local communication modular device of the present invention adopts after this design, and wireless receiving performance index are increased dramatically, and receiving sensitivity is from reached-120dBm of original-95dBm.
2, the detection that the wireless spurious emissions of concentrator local communication modular device of the present invention can be checked and approved by national standard radio transition equipment model.
Accompanying drawing explanation
Fig. 1 is the block diagram of structure of the present invention.
Embodiment
Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
Referring to Fig. 1, a kind of concentrator local communication modular device of the present invention, two of carrier communication unit and micro power radio communication unit be communication unit independently, and carrier communication unit is connected by normal power cord with micro power radio communication unit, and power lead is also born the effect of signal transmission simultaneously.Carrier communication cellular installation is in the modular cartridge of state's network mark standard, and it comprises that single-chip microcomputer, carrier communication chip, carrier wave send amplifying circuit, carrier wave wave reception filtering circuit, carrier wave coupled circuit, printed circuit board (PCB), carrier communication module box; Micro power radio communication cellular installation is in the base of external sucker antenna, by normal power cord, be connected with carrier communication unit, wireless communication unit comprises single-chip microcomputer, micro power radio communication chip, wireless receiving amplifying circuit, wireless transmit amplifying circuit, radio frequency converting switch, printed circuit board (PCB), sucker antenna.Described carrier communication unit carrier wave coupling circuit sends amplifying circuit with carrier wave respectively, wave reception filtering circuit is connected, and then by carrier communication chip, is connected with single-chip microcomputer; Micro power radio communication unit switches to open respectively by antenna and radio frequency and is connected with wireless transmission amplifying circuit, wireless receiving amplifying circuit, then by wireless communication chips, is connected with single-chip microcomputer.Carrier communication unit is connected by normal power cord with wireless communication unit, and normal power cord is born the transmission of power supply and signal simultaneously.Normal power cord, i.e. electric wire, the structure of normal power cord is mainly wanted oversheath, inner sheath, conductor, and common transmission conductor has the tinsel of copper, aluminium material etc.
Described carrier communication unit is completely separated with micro power radio communication unit, carrier communication cellular installation is in the accurate carrier communication module box of state's network mark, micro power radio communication cellular installation is in the base of sucker antenna, and carrier communication unit is connected by normal power cord with wireless communication unit.
The present invention is tested relatively with adopting power line carrier and the wireless integrated scheme that is unified in a PCB of micropower: wireless receiving performance is from reached-120dBm of original-95dBm.
The modular cartridge of state's network mark standard, is a plastic shell, is the modular cartridge of outsourcing piece ,Ru Shenzhen An Meitong Science and Technology Ltd., Shenzhen Wei Fang Electronic Science and Technology Co., Ltd. producing country network mark standard.
As mentioned above, just can realize comparatively fully the present invention.The foregoing is only comparatively reasonably embodiment of the present invention, protection scope of the present invention includes but are not limited to: this, and those skilled in the art is any to be included within the present invention includes scope based on unsubstantiality sex change change in technical solution of the present invention.
Claims (3)
1. a concentrator local communication modular device, it is characterized in that: comprise carrier communication unit and micro power radio communication unit, carrier communication cellular installation is in the modular cartridge of state's network mark standard, micro power radio communication cellular installation is in the base of external sucker antenna, carrier communication unit is connected by normal power cord with micro power radio communication unit, the effect that described normal power cord also transmits for signal.
2. a kind of concentrator local communication modular device according to claim 1, it is characterized in that: described carrier communication unit comprises single-chip microcomputer, carrier communication chip, carrier wave sends amplifying circuit, carrier wave wave reception filtering circuit, carrier wave coupled circuit, printed circuit board (PCB), described single-chip microcomputer is connected with carrier communication chip, carrier communication chip sends amplifying circuit with carrier wave respectively, carrier wave wave reception filtering circuit connects, carrier wave sends amplifying circuit, carrier wave wave reception filtering circuit is connected with carrier wave coupled circuit respectively, single-chip microcomputer, carrier communication chip, carrier wave sends amplifying circuit, carrier wave wave reception filtering circuit, carrier wave coupled circuit is fixed on printed circuit board (PCB).
3. a kind of concentrator local communication modular device according to claim 1, it is characterized in that: described micro power radio communication unit comprises single-chip microcomputer, micro power radio communication chip, wireless receiving amplifying circuit, wireless transmit amplifying circuit, radio frequency converting switch, printed circuit board (PCB), described single-chip microcomputer is connected with micro power radio communication chip, micro power radio communication chip respectively with wireless receiving amplifying circuit, wireless transmit amplifying circuit connects, wireless receiving amplifying circuit, wireless transmit amplifying circuit is connected with radio frequency converting switch respectively, described single-chip microcomputer, micro power radio communication chip, wireless receiving amplifying circuit, wireless transmit amplifying circuit, radio frequency converting switch is fixed on printed circuit board (PCB).
Priority Applications (1)
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CN201310513117.5A CN103531010A (en) | 2013-10-28 | 2013-10-28 | Local communication module device of concentrator |
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CN201310513117.5A CN103531010A (en) | 2013-10-28 | 2013-10-28 | Local communication module device of concentrator |
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CN103531010A true CN103531010A (en) | 2014-01-22 |
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CN201310513117.5A Pending CN103531010A (en) | 2013-10-28 | 2013-10-28 | Local communication module device of concentrator |
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Cited By (2)
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CN106850059A (en) * | 2016-12-23 | 2017-06-13 | 国网福建省电力有限公司宁德供电公司 | Visible light communication radio frequency ascending communication system and method based on carrier communication chip |
CN110619741A (en) * | 2019-10-22 | 2019-12-27 | 国家电网有限公司 | Concentrator separation dual-channel local communication module and networking method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106850059A (en) * | 2016-12-23 | 2017-06-13 | 国网福建省电力有限公司宁德供电公司 | Visible light communication radio frequency ascending communication system and method based on carrier communication chip |
CN110619741A (en) * | 2019-10-22 | 2019-12-27 | 国家电网有限公司 | Concentrator separation dual-channel local communication module and networking method |
CN110619741B (en) * | 2019-10-22 | 2020-09-29 | 国家电网有限公司 | Concentrator separation dual-channel local communication module and networking method |
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Application publication date: 20140122 |