CN201674496U - Power line carrier and wireless communication conversion device and power line carrier meter reading system - Google Patents
Power line carrier and wireless communication conversion device and power line carrier meter reading system Download PDFInfo
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- CN201674496U CN201674496U CN2010201798020U CN201020179802U CN201674496U CN 201674496 U CN201674496 U CN 201674496U CN 2010201798020 U CN2010201798020 U CN 2010201798020U CN 201020179802 U CN201020179802 U CN 201020179802U CN 201674496 U CN201674496 U CN 201674496U
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Abstract
The utility model discloses a power line carrier and wireless communication conversion device and a power line carrier meter reading system. The power line carrier and wireless communication conversion device comprises a microprocessor, a power line carrier module, a wireless receiving circuit and/or a wireless transmitting circuit, wherein the power line carrier module is connected with the microprocessor, and a carrier communication signal on a power line is converted into a digital communication signal to be input the microprocessor and/or the digital communication signal output by the microprocessor is converted to the carrier communication signal to be output by the power line; and the wireless receiving circuit and/or the wireless transmitting circuit is connected with the microprocessor, carries out communication with the microprocessor, and transmits and/or receives 470-510MHz wireless signals. The utility model effectively solves the problems of large carrier interference, large signal attenuation and low communication success rate, and achieves the meter reading success rate being more than 98%, thus not only avoiding a great deal of loss and waste for the China, but also being capable of generating enormous social benefits and economic benefits.
Description
[technical field]
The utility model relates to the power line carrier reading technique, especially a kind of power line carrier and radio communication conversion equipment and power line carrier kilowatt meter reading-out system.
[background technology]
The power line carrier kilowatt meter reading-out system is made up of electronic type carrier electric energy meter, carrier wave concentrator, main website.The power line carrier meter reading method has characteristics such as system construction is simple, equipment is easy for installation, is widely used in the electricity meter-reading field.Because the property right of transmission line belongs to power supply management department fully, considers that from management view its use does not involve other administrative departments, so the power line meter reading method is used as the preferred option of power supply management department, and is extensive use of in China.As shown in Figure 1, in the power line carrier kilowatt meter reading-out system of power supply department, meter reading terminal is with carrying out communication by the power line carrier mode between the electric energy meter at present.
Though power line carrier technology is widely used, but because China's electric power transmission line is seriously polluted, for vast rural area, combination area of city and country area, its transmission line is mixed and disorderly, unordered, it is serious disorderly to connect phenomenon, and ZAP is in use in above-mentioned area, and its effect of checking meter is undesirable, the success rate of some its carrier meter reading of area only is about 50%, and system can't normally move.
[summary of the invention]
The technical problems to be solved in the utility model provides a kind of power line carrier and the radio communication conversion equipment that can realize radio communication between electronic type carrier electric energy meter and carrier wave concentrator.
Another technical problem that will solve of the utility model provides the high power line carrier kilowatt meter reading-out system of a kind of success rate of checking meter.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is, a kind of power line carrier and radio communication conversion equipment, comprise microprocessor, power line carrier module, wireless receiving circuit and/or radio transmitter, described power line carrier module connects microprocessor, the carrier communication conversion of signals on the power line is become the digital communication signal input microprocessor and/or converts the digital communication signal that microprocessor is exported to the carrier communication signal export by power line; Described wireless receiving circuit and/or radio transmitter connect microprocessor, communicate with microprocessor, send and/or receive the 470-510MHZ wireless signal.
Above-described power line carrier and radio communication conversion equipment, described power line carrier module comprises coupling and power output module, modulation module and carrier wave and routing module control, described coupling and power output module connect the modulation module, described modulation module is carried ripple and routing module control, and described carrier wave and routing module control connect microprocessor.
Above-described power line carrier and radio communication conversion equipment, described wireless receiving circuit and radio transmitter comprise modulation-demodulation circuit, power amplification circuit and antenna, described microprocessor connects modulation-demodulation circuit, modulation-demodulation circuit connects power amplification circuit, and power amplification circuit connects antenna.
Above-described power line carrier and radio communication conversion equipment comprise infrared communications ports, and described infrared communications ports connects microprocessor.
Above-described power line carrier and radio communication conversion equipment comprise 485 communication port, and described 485 communication port connect microprocessor.
Above-described power line carrier and radio communication conversion equipment comprise electrically-erasable memory and the power-fail detection circuit of storing the real-time status data, and described power-fail detection circuit and electrically-erasable memory connect microprocessor respectively.
A kind of technical scheme of power line carrier kilowatt meter reading-out system is, comprise centralized automatic meter-reading terminal, power line, a plurality of electric energy meter, first conversion equipment and second conversion equipment, described first conversion equipment and second conversion equipment are aforesaid power line carrier and radio communication conversion equipment, the power line carrier module of first conversion equipment links to each other with the centralized automatic meter-reading terminal by one section power line, carries out power line carrier communication; The power line carrier module of second conversion equipment links to each other with electric energy meter by another section power line, carries out power line carrier communication; Wireless channel by 470-510MHZ between described first conversion equipment and second conversion equipment communicates.
Above-described power line carrier kilowatt meter reading-out system, described power line carrier module comprises coupling and power output module, modulation module and carrier wave and routing module control, described coupling and power output module connect the modulation module, described modulation module is carried ripple and routing module control, and described carrier wave and routing module control connect microprocessor.
Above-described power line carrier kilowatt meter reading-out system, described wireless receiving circuit and radio transmitter comprise modulation-demodulation circuit, power amplification circuit and antenna, described microprocessor connects modulation-demodulation circuit, and modulation-demodulation circuit connects power amplification circuit, and power amplification circuit connects antenna.
Above-described power line carrier kilowatt meter reading-out system comprises infrared communications ports, 485 communication port, stores the electrically-erasable memory and the power-fail detection circuit of real-time status data, and described infrared communications ports and 485 communication port connect microprocessor respectively; Described power-fail detection circuit and electrically-erasable memory connect microprocessor respectively.
The utility model need not again more exchange device, can transform, upgrade in existing system constitute, and under the situation of less input, promotes the success rate of checking meter, and system can normally be moved.The utility model passes through conversion with electric energy meter electric line carrier communication mode, change into the wireless data communication mode, adopt the wireless self-networking technology, solve the problem that carrier-in-interference is big, signal attenuation big, the communication success rate is low effectively, the success rate of checking meter reaches more than 98%, not only avoided a large amount of loss and wastes, and can have a tremendous social and economic benefits for national.
[description of drawings]
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is a prior art power line carrier kilowatt meter reading-out system topological diagram.
Fig. 2 is the utility model embodiment power line carrier kilowatt meter reading-out system topological diagram.
Fig. 3 is the utility model embodiment power line carrier and radio communication conversion equipment theory diagram.
[embodiment]
In the power line carrier kilowatt meter reading-out system of Fig. 2, the utility model embodiment shown in Figure 3, comprise centralized automatic meter-reading terminal, power line, a plurality of electric energy meter and a pair of power line carrier and radio communication conversion equipment.A pair of power line carrier and radio communication conversion equipment comprise wireless transfer power line carrier wave device and power line carrier commentaries on classics wireless device, the power line carrier module of wireless transfer power line carrier wave device links to each other with the centralized automatic meter-reading terminal by one section power line, carries out power line carrier communication; The power line carrier module that power line carrier is changeed wireless device links to each other with electric energy meter by another section power line, carry out power line carrier communication, the wireless channel by 470-510MHZ between power line carrier commentaries on classics wireless device and the wireless transfer power line carrier wave device communicates.
Power line carrier and radio communication conversion equipment possess two-way wireless data transceiving and power line carrier data transmit-receive function, data by the power line carrier transmission, pass through carrier module, modulation, after the demodulation, convert the Transistor-Transistor Logic level signal to, give microprocessor, after microprocessor is handled data,, be modulated into the wireless signal of 470-10MHZ by the wireless data sending chip, be forwarded to upper level, the wireless signal data that same upper level is given after the demodulation of wireless data sending chip, are passed to microprocessor, after microprocessor is handled, by the power line carrier module, be modulated into carrier signal, pass to the next stage unit by power line again, to reach data communication, the process that several carriers are changed mutually.Can in 1 kilometer scope, carry out radio communication between a pair of power line carrier and the radio communication conversion equipment, replace the power line carrier communication between this a pair of power line carrier and the radio communication conversion equipment, can improve the success rate of carrier meter reading in the with serious pollution area of electric power transmission line effectively.
Power line carrier and radio communication conversion equipment comprise microprocessor, power line carrier module, wireless receiving circuit and radio transmitter, the power line carrier module connects microprocessor, the carrier communication conversion of signals on the power line is become the digital communication signal input microprocessor and converts the digital communication signal that microprocessor is exported to the carrier communication signal export by power line; Wireless receiving circuit and radio transmitter connect microprocessor, communicate with microprocessor, send and receive the 470-510MHZ wireless signal.
The power line carrier module comprises coupling and power output module, modulation module and carrier wave and routing module control, coupling and power output module connect the modulation module, the modulation module is carried ripple and routing module control, and carrier wave and routing module control connect microprocessor.Coupling and power output module from the power line with the carrier communication signal of centre frequency at 270KHz, the inside of being coupled to device, the perhaps reverse carrier wave that carries data message with power amplification outputs on the power line.The signal of coupling and power output module output enters modulation module (chip AFE 3361) front end, carries out frequency discrimination.After removing carrier wave, obtain digital baseband signal and enter PLCI38M-III carrier wave and routing module control chip, this chip finish the carrier wave node between application layer work such as networking, transmission and route.Applied layer interface be the asynchronous serial communication interface (UART) of the full duplex Transistor-Transistor Logic level of a standard.By this interface, power line carrier module and microprocessor (STM8S207K) communicate.
Microprocessor (STM8S207K) is the control chip of whole device.Be responsible for the communication with the power line carrier module, the realization of bearing whole wireless autonomous procotol simultaneously.This agreement is mainly finished following 3 points: 1, the foundation of network, the adding of node and excision.2, the transmission of data and forwarding.3, the management algorithm of routed path and optimization.This controller communication mutually also and between the peripheral module in addition is used to handle the indication of local parameter setting, storage and device operating state.
Wireless receiving circuit and radio transmitter comprise modulation-demodulation circuit, power amplification circuit and antenna, and microprocessor connects modulation-demodulation circuit, and modulation-demodulation circuit connects power amplification circuit, and power amplification circuit connects antenna.
Modulation-demodulation circuit comprises ADF7020 wireless micro-power modem chip, this chip be a high-gain of ADI company (power output able to programme is up to+13dBm), high sensitivity, low-power consumption.ADF7020 is operated in the wireless ISM band scope of 470M-510M with the GFSK modulation demodulation system in this device.In conjunction with back level power amplification and antenna element, complex art parameter and electromagnetic compatibility (EMC) meet radio control about in the open relevant regulations of exempting to apply for frequency range, have reached the balance between good transmitting power, receiving range and the receiving sensitivity (error rate).
Be power amplification and antenna receiving-sending parts at last, the core of the power amplifying part of wireless transmission signal adopts a high-gain, low noise, broadband power amplification triode BFP196W.This transistor works in pure Class A power amplification state, makes output signal distortion minimum.The fan-out capability of power unit module finally is embodied as-and the 13dBm-50dBm programming is adjustable.The air interface of wireless module is an antenna, and this device adopts and works in the passive transceiver antenna of 470M-510M single-stage, 50 ohm of input and output impedances.
Infrared communications ports connects microprocessor, at the scene of installing with electric centralized collecting equipment, uses portable infrared controller, can carry out communication with this dress value, finishes the typing work of information such as Installation and Debugging and device address.
485 communication port connect microprocessor, also can finish whole work of infrared communications ports, can provide available passage for converting 485 wired data transfer modes to the wireless data transmission mode simultaneously.
Power-fail detection circuit and electrically-erasable memory connect microprocessor respectively, electrically-erasable memory EEPOM is used for the power down operations parameter of save set, as the baud rate and the verification mode of serial communication between the frequency of the sign of device address, the wireless network of device, wireless network work and wireless module and the carrier module.
Present embodiment also is provided with the input button, indicator of the power supply status, transmitting-receiving indicator light and device pattern indicator light.Use infrared controller that device is carried out parameter when being provided with, use button to install to switch to device parameter pattern is set from the data transaction mode of operation.
Claims (10)
1. power line carrier and radio communication conversion equipment, it is characterized in that, comprise microprocessor, power line carrier module, wireless receiving circuit and/or radio transmitter, described power line carrier module connects microprocessor, the carrier communication conversion of signals on the power line is become the digital communication signal input microprocessor and/or converts the digital communication signal that microprocessor is exported to the carrier communication signal export by power line; Described wireless receiving circuit and/or radio transmitter connect microprocessor, communicate with microprocessor, send and/or receive the 470-510MHZ wireless signal.
2. power line carrier according to claim 1 and radio communication conversion equipment, it is characterized in that, described power line carrier module comprises coupling and power output module, modulation module and carrier wave and routing module control, described coupling and power output module connect the modulation module, described modulation module is carried ripple and routing module control, and described carrier wave and routing module control connect microprocessor.
3. power line carrier according to claim 1 and radio communication conversion equipment, it is characterized in that, described wireless receiving circuit and radio transmitter comprise modulation-demodulation circuit, power amplification circuit and antenna, described microprocessor connects modulation-demodulation circuit, modulation-demodulation circuit connects power amplification circuit, and power amplification circuit connects antenna.
4. power line carrier according to claim 1 and radio communication conversion equipment is characterized in that, comprise infrared communications ports, and described infrared communications ports connects microprocessor.
5. power line carrier according to claim 1 and radio communication conversion equipment is characterized in that, comprise 485 communication port, and described 485 communication port connect microprocessor.
6. power line carrier according to claim 1 and radio communication conversion equipment, it is characterized in that, comprise the electrically-erasable memory and the power-fail detection circuit of storage real-time status data, described power-fail detection circuit and electrically-erasable memory connect microprocessor respectively.
7. power line carrier kilowatt meter reading-out system, comprise centralized automatic meter-reading terminal, power line and a plurality of electric energy meter, it is characterized in that, comprise first conversion equipment and second conversion equipment, described first conversion equipment and second conversion equipment are described power line carrier of claim 1 and radio communication conversion equipment, the power line carrier module of first conversion equipment links to each other with the centralized automatic meter-reading terminal by one section power line, carries out power line carrier communication; The power line carrier module of second conversion equipment links to each other with electric energy meter by another section power line, carries out power line carrier communication; Wireless channel by 470-510MHZ between described first conversion equipment and second conversion equipment communicates.
8. power line carrier kilowatt meter reading-out system according to claim 7, it is characterized in that, described power line carrier module comprises coupling and power output module, modulation module and carrier wave and routing module control, described coupling and power output module connect the modulation module, described modulation module is carried ripple and routing module control, and described carrier wave and routing module control connect microprocessor.
9. power line carrier kilowatt meter reading-out system according to claim 7, it is characterized in that, described wireless receiving circuit and radio transmitter comprise modulation-demodulation circuit, power amplification circuit and antenna, described microprocessor connects modulation-demodulation circuit, modulation-demodulation circuit connects power amplification circuit, and power amplification circuit connects antenna.
10. power line carrier kilowatt meter reading-out system according to claim 7, it is characterized in that, comprise the electrically-erasable memory and the power-fail detection circuit of infrared communications ports, 485 communication port, storage real-time status data, described infrared communications ports and 485 communication port connect microprocessor respectively; Described power-fail detection circuit and electrically-erasable memory connect microprocessor respectively.
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| CN2010201798020U CN201674496U (en) | 2010-04-28 | 2010-04-28 | Power line carrier and wireless communication conversion device and power line carrier meter reading system |
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| CN2010201798020U CN201674496U (en) | 2010-04-28 | 2010-04-28 | Power line carrier and wireless communication conversion device and power line carrier meter reading system |
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| CN201674496U true CN201674496U (en) | 2010-12-15 |
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Cited By (15)
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| CN103227507A (en) * | 2013-04-08 | 2013-07-31 | 江苏省电力公司苏州供电公司 | Method and device for controlling radio load of power load management system |
| CN103312376A (en) * | 2012-03-15 | 2013-09-18 | 深圳光启创新技术有限公司 | Communication system based on power line and visible light |
| CN103337155A (en) * | 2013-05-24 | 2013-10-02 | 安徽久大电子技术有限公司 | Multi-environment-adaptive all-weather dynamic-management low-voltage power line carrier remote centralized meter reading method |
| CN103400492A (en) * | 2013-06-24 | 2013-11-20 | 深圳市国电科技通信有限公司 | Dual-mode communication chip integrating power line and wireless communication and acquisition equipment |
| CN103687078A (en) * | 2012-09-19 | 2014-03-26 | 青岛高校信息产业有限公司 | Ad hoc wireless remote terminal control system |
| CN105024747A (en) * | 2015-08-19 | 2015-11-04 | 长沙威胜信息技术有限公司 | Signal relay equipment of power utilization information acquisition terminal |
| CN106600941A (en) * | 2017-02-15 | 2017-04-26 | 南通德高环境监测技术有限公司 | Low-power-consumption wireless ad-hoc network meter reading system |
| CN106656272A (en) * | 2016-12-29 | 2017-05-10 | 珠海中慧微电子股份有限公司 | Universal narrowband carrier and micropower wireless dual-mode communication module |
| CN106781360A (en) * | 2016-11-25 | 2017-05-31 | 瑞斯康微电子（深圳）有限公司 | Data transmission method and repeater based on LORA radio communications |
| CN107103744A (en) * | 2017-05-23 | 2017-08-29 | 重庆物奇科技有限公司 | The power wire broadband carrier kilowatt meter reading-out system and method for combining wireless narrowband carrier relaying |
| CN109873659A (en) * | 2019-03-01 | 2019-06-11 | 珠海中慧微电子有限公司 | Communication extension device |
| CN109979184A (en) * | 2019-04-29 | 2019-07-05 | 深圳芯珑电子技术有限公司 | A kind of Intelligent carrier copy controller of power meter reading system |
| CN110212946A (en) * | 2019-05-22 | 2019-09-06 | 深圳市联强邦盛实业有限公司 | A kind of device realizing PLC carrier module and being communicated with wireless communication module |
| CN112687093A (en) * | 2020-10-27 | 2021-04-20 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
| CN113012419A (en) * | 2021-04-08 | 2021-06-22 | 广东电网有限责任公司韶关供电局 | Electric energy meter data reading equipment |
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2010
- 2010-04-28 CN CN2010201798020U patent/CN201674496U/en not_active Expired - Lifetime
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| CN103312376A (en) * | 2012-03-15 | 2013-09-18 | 深圳光启创新技术有限公司 | Communication system based on power line and visible light |
| CN103687078A (en) * | 2012-09-19 | 2014-03-26 | 青岛高校信息产业有限公司 | Ad hoc wireless remote terminal control system |
| CN103227507A (en) * | 2013-04-08 | 2013-07-31 | 江苏省电力公司苏州供电公司 | Method and device for controlling radio load of power load management system |
| CN103337155A (en) * | 2013-05-24 | 2013-10-02 | 安徽久大电子技术有限公司 | Multi-environment-adaptive all-weather dynamic-management low-voltage power line carrier remote centralized meter reading method |
| CN103337155B (en) * | 2013-05-24 | 2016-05-25 | 安徽久大电子技术有限公司 | Adapt to the round-the-clock dynamic management low pressure carrier remote-registering of many environment method |
| CN103400492A (en) * | 2013-06-24 | 2013-11-20 | 深圳市国电科技通信有限公司 | Dual-mode communication chip integrating power line and wireless communication and acquisition equipment |
| CN103400492B (en) * | 2013-06-24 | 2016-12-28 | 深圳市国电科技通信有限公司 | Merge electric lines of force and the dual-mode communication chip of radio communication and collecting device |
| CN105024747A (en) * | 2015-08-19 | 2015-11-04 | 长沙威胜信息技术有限公司 | Signal relay equipment of power utilization information acquisition terminal |
| CN106781360A (en) * | 2016-11-25 | 2017-05-31 | 瑞斯康微电子（深圳）有限公司 | Data transmission method and repeater based on LORA radio communications |
| CN106656272B (en) * | 2016-12-29 | 2022-10-25 | 珠海中慧微电子有限公司 | Universal narrow-band carrier and micropower wireless dual-mode communication module |
| CN106656272A (en) * | 2016-12-29 | 2017-05-10 | 珠海中慧微电子股份有限公司 | Universal narrowband carrier and micropower wireless dual-mode communication module |
| CN106600941A (en) * | 2017-02-15 | 2017-04-26 | 南通德高环境监测技术有限公司 | Low-power-consumption wireless ad-hoc network meter reading system |
| CN107103744A (en) * | 2017-05-23 | 2017-08-29 | 重庆物奇科技有限公司 | The power wire broadband carrier kilowatt meter reading-out system and method for combining wireless narrowband carrier relaying |
| CN109873659A (en) * | 2019-03-01 | 2019-06-11 | 珠海中慧微电子有限公司 | Communication extension device |
| CN109979184A (en) * | 2019-04-29 | 2019-07-05 | 深圳芯珑电子技术有限公司 | A kind of Intelligent carrier copy controller of power meter reading system |
| CN110212946A (en) * | 2019-05-22 | 2019-09-06 | 深圳市联强邦盛实业有限公司 | A kind of device realizing PLC carrier module and being communicated with wireless communication module |
| CN112687093A (en) * | 2020-10-27 | 2021-04-20 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
| CN112687093B (en) * | 2020-10-27 | 2022-07-08 | 广东电网有限责任公司广州供电局 | Low-voltage centralized meter reading method and device |
| CN113012419A (en) * | 2021-04-08 | 2021-06-22 | 广东电网有限责任公司韶关供电局 | Electric energy meter data reading equipment |
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