CN202886531U - Overhead fault indicator - Google Patents

Overhead fault indicator Download PDF

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Publication number
CN202886531U
CN202886531U CN2012205281173U CN201220528117U CN202886531U CN 202886531 U CN202886531 U CN 202886531U CN 2012205281173 U CN2012205281173 U CN 2012205281173U CN 201220528117 U CN201220528117 U CN 201220528117U CN 202886531 U CN202886531 U CN 202886531U
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China
Prior art keywords
probe
fault detector
type fault
overhead
overhead type
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Expired - Fee Related
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CN2012205281173U
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Chinese (zh)
Inventor
魏之明
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Aerospace Science and Industry Shenzhen Group Co Ltd
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Aerospace Science and Industry Shenzhen Group Co Ltd
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Priority to CN2012205281173U priority Critical patent/CN202886531U/en
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    • Y02B60/50

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  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model discloses an overhead fault indicator, which is mounted on an overhead line. The overhead fault indicator comprises a current sensing circuit for acquiring the current information of the overhead line; a voltage detection circuit for acquiring the voltage information of the overhead line; a CPU for determining the fault information of the overhead line according to the current information and the voltage information; a first wireless module for uploading the fault information; and a display circuit for displaying the fault information via a flip plate and/or a flashing light. The current sensing circuit, the voltage detection circuit, the first wireless module and the display circuit are connected with the CPU, respectively. The fault information is uploaded through low-power-consumption wireless communication, thereby realizing automatic positioning of the fault information. Meanwhile, the solar energy is employed as a power supply source, thereby reducing the environmental pollution and prolonging the service lifetime of the fault indicator.

Description

A kind of overhead type fault detector
Technical field
The utility model relates to the electric power network field, relates in particular to a kind of overhead type fault detector with wireless communication function.
Background technology
The overhead type fault detector generally is installed on the overhead transmission line in the electrical network, is used for judging short trouble or the earth fault of overhead transmission line.The overhead type fault detector mainly induces secondary current and voltage by the magnetic field of primary current induction and the electric field of voltage induced, electric current and voltage to induction are processed accordingly and were judged whether afterwards fault, usually adopt the mode of board turning or flashing light to show fault after breaking down, the track walker determines fault section, branch by the fault detector warning information after the fault.
Traditional overhead type fault detector usually adopts the mode display alarm of board turning or flashing light, need the track walker to determine fault section, branch and trouble spot by warning information on the indicator, can't realize the automatic location of fault section, can not upload the current information of fault, and, the overhead type fault detector mostly adopts disposable battery to power, and can not change, as long as affected by battery.
The utility model content
The technical problems to be solved in the utility model is, the defective that can't upload failure message and affected by battery for prior art, provide a kind of and realize the automatic location of failure message and the both-way communication that the parameter of popping one's head in is configured by wireless communication mode, and by the solar powered tenure of use that prolongs the overhead type fault detector.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of overhead type fault detector is provided, it is installed on the overhead transmission line, described overhead type fault detector comprises the current-sensing circuit be used to the current information that gathers described overhead transmission line, voltage detecting circuit for the information of voltage that gathers described overhead transmission line, be used for judging according to described current information and described information of voltage the CPU of the failure message of described overhead transmission line, upload the first wireless module of described failure message, and the display circuit that shows described failure message by board turning and/or flashing light, wherein, described current-sensing circuit, described voltage detecting circuit, described the first wireless module be connected display circuit and be connected with described CPU respectively.
Preferably, described overhead type fault detector also comprises and is connected with described CPU and provides the feed circuit of power supply for it.
Preferably, described CPU is single-chip microcomputer.
Preferably, described feed circuit comprise solar powered rechargeable battery powered with reserve.
Preferably, described overhead type fault detector is provided with the first probe, the second probe and the 3rd probe, and wherein, described the first probe, described the second probe and described the 3rd probe are installed in respectively A phase line, B phase line and the C phase line of described overhead transmission line.
Preferably, in the first predeterminable area of described the first probe, described the second probe and described the 3rd probe, be provided with communicating terminal, wherein, described communicating terminal communicates to connect with described the first probe, described the second probe and described the 3rd probe respectively by described the first wireless module.
Preferably, described communicating terminal is connected with master station communication by the second wireless module.
Preferably, in the second predeterminable area of described the first probe, described the second probe and described the 3rd probe, be provided with for the configurating terminal device to different described overhead transmission line configuration different parameters information, wherein, described configurating terminal device communicates to connect with described the first probe, described the second probe and described the 3rd probe respectively by described the first wireless module.
Preferably, described the first wireless module is the ZIGBEE wireless module.
Preferably, described the second wireless module is the GPRS module.
Implement the technical solution of the utility model, have following beneficial effect: failure message is uploaded in the wireless telecommunications by low-power consumption, realizes the automatic location of failure message, adopts simultaneously sun power as power supply, reduce environmental pollution, prolonged the length of service of fault detector.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model overhead type fault detector;
Fig. 2 is the structural representation that the utility model overhead type fault detector is realized wireless telecommunications.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Need to prove that this overhead type fault detector is installed on the overhead transmission line, is used for detecting the failure message in the overhead transmission line, this failure message comprises short trouble and earth fault.
See also Fig. 1, Fig. 1 is the structural representation of the utility model overhead type fault detector, as shown in Figure 1, described overhead type fault detector comprises the current-sensing circuit 110 be used to the current information that gathers described overhead transmission line, voltage detecting circuit 120 for the information of voltage that gathers described overhead transmission line, be used for the CPU100 according to the failure message of described current information and described information of voltage judgement overhead transmission line, upload the first wireless module 130 of described failure message, the display circuit 140 that shows described failure message by board turning and/or flashing light, and the feed circuit 150 that power supply is provided for this overhead type fault detector, wherein, described current-sensing circuit 110, described voltage detecting circuit 120, described the first wireless module 130, described display circuit 140 be connected feed circuit 150 and be connected with described CPU100 respectively.
In the present embodiment, described overhead type fault detector is provided with the first probe, the second probe and the 3rd probe, and wherein, described the first probe, described the second probe and described the 3rd probe are installed in respectively A phase line, B phase line and the C phase line of described overhead transmission line.
Please in conjunction with consulting Fig. 2, Fig. 2 is the structural representation that the utility model overhead type fault detector is realized wireless telecommunications, as shown in Figure 2, in the first predeterminable area of described the first probe 201, described the second probe 202 and described the 3rd probe 203, be provided with communicating terminal 210; In the second predeterminable area of described the first probe 201, described the second probe 202 and described the 3rd probe 203, be provided with for the configurating terminal device 230 to different described overhead transmission line configuration different parameters information, wherein, described communicating terminal 210 communicates to connect with described the first probe 201, described the second probe 202 and described the 3rd probe 203 respectively by the first wireless module 130, and described communicating terminal 210 is also by described the second wireless module (not shown) and main website 240 communication connections; Described configurating terminal device 230 communicates to connect with described the first probe 201, described the second probe 202 and described the 3rd probe 203 respectively by the first wireless module 130, that is to say, such scheme has been realized the remote monitoring failure message by wireless telecommunications, thereby avoided at the scene circuit query one by one of the personnel of patrolling and examining, simultaneously can be to different overhead transmission lines configuration different parameters information according to user's needs.
Above-mentioned the first predeterminable area of mentioning and the second predeterminable area all arrange voluntarily according to user's request, are generally distance probe 10m or the interior zone of 20m distance, and in the present embodiment, communicating terminal 210 generally is installed in by near the steel tower of probe; In addition, in the present embodiment, configurating terminal device 230 is handheld terminal, does not repeat them here.
It should be explained that in the present embodiment, described the first wireless module 130 is for being the ZIGBEE wireless module, described the second wireless module is the GPRS module, and wherein, the power consumption of ZIGBEE wireless module is lower, does not repeat them here.
Below simple set forth some of principle of work:
Current-sensing circuit 110 main employing electromagnetic induction principles once large electric current are converted into the little electric current of secondary, secondary current is after sampling resistor is converted into alternating voltage, after processing, rectifying and wave-filtering is converted into direct current signal, this direct current signal is the current-sensing circuit 110 final current informations that gather, and does not repeat them here.
Voltage detecting circuit 120 mainly produces an induced voltage by overhead transmission line and copper coin, and this induced voltage is the information of voltage that voltage detecting circuit 120 gathers, and does not repeat them here.
Display circuit 140 has local Presentation Function.
Described CPU100 is single-chip microcomputer, and in the present embodiment, the model of this single-chip microcomputer is MSP430, and those skilled in the art should understand, and the power consumption of MSP430 single-chip microcomputer is lower, does not repeat them here.
Described feed circuit 150 comprise solar powered and the backup battery power supply.Should be noted that, for the overhead type fault detector with wireless telecommunications, the corresponding increase of power consumption meeting, if adopt jumbo battery can affect weight and the volume of overhead type fault detector, so can adopt sun power and backup battery powers, under the enough condition of light intensity, by solar powered, and be the backup battery charging; Under the inadequate condition of light intensity, transfer backup battery to and power, the capacity of backup battery generally can satisfy the continuous power consumption when unglazed of certain hour.Therefore, adopt environmental protection energy solar energy as power supply, reduced environmental pollution, prolonged simultaneously the length of service of fault detector.
Compared to prior art, upload failure message by the wireless telecommunications of low-power consumption, realize the automatic location of failure message, adopt simultaneously sun power as power supply, reduced environmental pollution, prolonged the length of service of fault detector.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.

Claims (10)

1. overhead type fault detector, it is installed on the overhead transmission line, it is characterized in that, described overhead type fault detector comprises the current-sensing circuit be used to the current information that gathers described overhead transmission line, voltage detecting circuit for the information of voltage that gathers described overhead transmission line, be used for judging according to described current information and described information of voltage the CPU of the failure message of described overhead transmission line, upload the first wireless module of described failure message, and the display circuit that shows described failure message by board turning and/or flashing light, wherein, described current-sensing circuit, described voltage detecting circuit, described the first wireless module be connected display circuit and be connected with described CPU respectively.
2. overhead type fault detector according to claim 1 is characterized in that, described overhead type fault detector also comprises and is connected with described CPU and provides the feed circuit of power supply for it.
3. overhead type fault detector according to claim 1 is characterized in that, described CPU is single-chip microcomputer.
4. overhead type fault detector according to claim 2 is characterized in that, described feed circuit comprise solar powered rechargeable battery powered with reserve.
5. overhead type fault detector according to claim 1, it is characterized in that, described overhead type fault detector is provided with the first probe, the second probe and the 3rd probe, wherein, described the first probe, described the second probe and described the 3rd probe are installed in respectively A phase line, B phase line and the C phase line of described overhead transmission line.
6. overhead type fault detector according to claim 5, it is characterized in that, in the first predeterminable area of described the first probe, described the second probe and described the 3rd probe, be provided with communicating terminal, wherein, described communicating terminal communicates to connect with described the first probe, described the second probe and described the 3rd probe respectively by described the first wireless module.
7. overhead type fault detector according to claim 6 is characterized in that, described communicating terminal is connected with master station communication by the second wireless module.
8. overhead type fault detector according to claim 5, it is characterized in that, in the second predeterminable area of described the first probe, described the second probe and described the 3rd probe, be provided with for the configurating terminal device to different described overhead transmission line configuration different parameters information, wherein, described configurating terminal device communicates to connect with described the first probe, described the second probe and described the 3rd probe respectively by described the first wireless module.
9. overhead type fault detector according to claim 8 is characterized in that, described the first wireless module is the ZIGBEE wireless module.
10. overhead type fault detector according to claim 7 is characterized in that, described the second wireless module is the GPRS module.
CN2012205281173U 2012-10-16 2012-10-16 Overhead fault indicator Expired - Fee Related CN202886531U (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103424666A (en) * 2013-07-18 2013-12-04 广东电网公司电力科学研究院 Overhead line fault indicator with voltage detection function
CN103592566A (en) * 2013-09-02 2014-02-19 北京交通大学 Wireless communication based power distribution network distributed online monitoring and fault positioning system
CN103605046A (en) * 2013-11-14 2014-02-26 航天科工深圳(集团)有限公司 Fault indicator and transmission method thereof
CN104237744A (en) * 2014-10-16 2014-12-24 姚建凯 Current calculating method for low power consumption of fault indicator
CN104375060A (en) * 2014-11-28 2015-02-25 国家电网公司 Fault indicator
CN104407250A (en) * 2014-11-28 2015-03-11 国家电网公司 Fault indicator
CN105548804A (en) * 2015-12-08 2016-05-04 青岛乾程智能配电有限公司 Power line fault indicator probe
CN105866623A (en) * 2016-04-04 2016-08-17 合肥博雷电子信息技术有限公司 Fault indicator state recognition device
CN107688137A (en) * 2017-09-11 2018-02-13 安徽华明电气设备有限公司 A kind of sensor-based high voltage cable failure automatic monitoring system and its method
CN114441828A (en) * 2021-12-24 2022-05-06 天津三源电力智能科技有限公司 Overhead type low current acquisition and fault alarm device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103424666A (en) * 2013-07-18 2013-12-04 广东电网公司电力科学研究院 Overhead line fault indicator with voltage detection function
CN103424666B (en) * 2013-07-18 2016-05-11 广东电网公司电力科学研究院 A kind of fault indicator for overhead lines with voltage detecting function
CN103592566A (en) * 2013-09-02 2014-02-19 北京交通大学 Wireless communication based power distribution network distributed online monitoring and fault positioning system
CN103605046A (en) * 2013-11-14 2014-02-26 航天科工深圳(集团)有限公司 Fault indicator and transmission method thereof
CN104237744A (en) * 2014-10-16 2014-12-24 姚建凯 Current calculating method for low power consumption of fault indicator
CN104375060A (en) * 2014-11-28 2015-02-25 国家电网公司 Fault indicator
CN104407250A (en) * 2014-11-28 2015-03-11 国家电网公司 Fault indicator
CN105548804A (en) * 2015-12-08 2016-05-04 青岛乾程智能配电有限公司 Power line fault indicator probe
CN105866623A (en) * 2016-04-04 2016-08-17 合肥博雷电子信息技术有限公司 Fault indicator state recognition device
CN107688137A (en) * 2017-09-11 2018-02-13 安徽华明电气设备有限公司 A kind of sensor-based high voltage cable failure automatic monitoring system and its method
CN114441828A (en) * 2021-12-24 2022-05-06 天津三源电力智能科技有限公司 Overhead type low current acquisition and fault alarm device

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130417

Termination date: 20201016