CN201812025U - Failure detection device for power transmission line - Google Patents

Failure detection device for power transmission line Download PDF

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Publication number
CN201812025U
CN201812025U CN2010205358829U CN201020535882U CN201812025U CN 201812025 U CN201812025 U CN 201812025U CN 2010205358829 U CN2010205358829 U CN 2010205358829U CN 201020535882 U CN201020535882 U CN 201020535882U CN 201812025 U CN201812025 U CN 201812025U
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CN
China
Prior art keywords
failure
transmission line
information acquisition
pick
failure information
Prior art date
Application number
CN2010205358829U
Other languages
Chinese (zh)
Inventor
牛江中
温海军
陈效明
翁晨阳
郄建伟
吴孝平
Original Assignee
中铁十二局集团有限公司
中铁十二局集团电气化工程有限公司
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Application filed by 中铁十二局集团有限公司, 中铁十二局集团电气化工程有限公司 filed Critical 中铁十二局集团有限公司
Priority to CN2010205358829U priority Critical patent/CN201812025U/en
Application granted granted Critical
Publication of CN201812025U publication Critical patent/CN201812025U/en

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Abstract

The utility model discloses a failure detection device for a power transmission line, which solves the problems of unavailable detection of grounding, short circuit and open circuit failures and relatively low use reliability of the conventional failure detection device for the power transmission line. The detection device consists of a plurality of groups of failure information acquisition devices, failure information transmitting devices and a data processing device, wherein each group comprises three failure information acquisition devices; the failure information transmitting devices correspond to each group of failure information acquisition devices, receive failure information sent by each group of failure information acquisition devices and forward the received failure information through a global system for mobile communication (GSM) network; and the data processing device receives and processes the failure information transmitted by the failure information transmitting devices through the GSM network and consists of a computer and an information receiver which is connected with the computer. The failure detection device can transmit the line state of each monitoring point to a monitoring center under the conditions of a short circuit failure, a grounding failure, a generation failure and power failure occurring on the line; and after relevant data is received, the monitoring center can alarm and display within certain seconds and a failure generating location is positioned between two monitoring points.

Description

The transmission line malfunction pick-up unit

Technical field

The utility model is the transmission line malfunction pick-up unit, belongs to transmission line malfunction detection technique field.

Background technology

Qinghai-Tibet Railway 35KV power distribution network is because environment of living in is abominable, and line length is big.After on the circuit ground connection or short trouble taking place, existing relay protection system is the failure judgement section accurately, can only determine abort situation by the mode of trying step by step to draw, and whole process relates to a large amount of grid switching operations, and complicated operation and required time are longer.Finally can be by this mode with localization of fault between two electric substations, because distance (not waiting) far away between the Qinghai-Tibet Railway electric substation at a distance of 20-40KM, circuit institute is abominable through the region physical environment, big, the consuming time length of line walking difficulty, be unfavorable for the rapid processing of fault, the serious threat line security normally moves.

The patent No. is that 200320122380.3 Chinese utility model patent discloses a kind of " grid power transmission line fault monitoring system ".It comprises data collection station and malfunction monitoring back-up system two large divisions, and it is mainly monitored because of insulator generation flashover on the shaft tower, and thunder and lightning hits transmission line of electricity or shaft tower and the accident that causes.During use, data collection station is fixed on the tower bar of transmission line of electricity, and when above-mentioned fault takes place transmission line of electricity, data collection station collects corresponding fault-signal and by mobile communications network fault-signal sent to the malfunction monitoring back-up system.This monitoring system can not be monitored earth fault, short trouble and open circuit fault etc., and it is more single promptly to monitor fault.Simultaneously, fault judgement in its data collection station and information send part and adopt wired connection, have potential safety hazard, are subject to external interference, influence dependability.

Summary of the invention

The utility model can't detect the lower problem of ground connection, short circuit, open circuit fault and dependability in order to solve existing transmission line malfunction pick-up unit, and a kind of transmission line malfunction pick-up unit is provided.This pick-up unit can effectively detect and definite abort situation transmission line of electricity ground connection, short circuit, open circuit fault.

The utility model is to adopt following technical scheme to realize: the transmission line malfunction pick-up unit, by some groups, every group three and be individually fixed in when using on the transmission line of electricity three-phase and fault information acquisition device that can the wireless transmit failure message, corresponding with every group of fault information acquisition device and be fixed on the electric power line pole tower when using and receive, the failure message conveyer of the failure message of sending by every group of fault information acquisition device of GSM forwarded again receives and the data processing equipment of being made up of computing machine and the message recipient that is connected with computing machine of the failure message that the handling failure information transmission device is transmitted constitutes by the GSM network.The effect of fault information acquisition device is that the powering on of detected transmission line of electricity, outage, ground connection, short circuit information are transferred to the failure message conveyer wirelessly, finish above-mentioned task, the inner structure of fault information acquisition device is to realize easily to the those skilled in the art; The effect of failure message conveyer is to receive every group of failure message that the fault information acquisition device is sent, and goes out by the GSM forwarded after the failure message that receives is handled again, and its structure also is that the those skilled in the art realizes easily; The information of data processing device receiver receives the failure message that the failure message conveyer sends and sends computing machine to, computing machine is under the support of corresponding software, after failure message analyzed, handles, judges, determine abort situation, send alerting signal simultaneously.

Transmission line malfunction pick-up unit described in the utility model merges fault detection technique, wireless communication technique, computer technology, can occur under the situation of short trouble, earth fault and energising, outage at circuit, the line state information of each monitoring point (being the point of fixity of fault information acquisition device on transmission line of electricity) is sent to Surveillance center's (lay down location of data processing equipment), Surveillance center receives after the related data can alarm indication in tens of seconds, and the fault occurrence positions is navigated between two monitoring points.The utility model has possessed fault automatic location and has shown the function of fault category, and the various running statuses of real-time detection line are such as sending electricity, power failure, phase shortage, short circuit, ground connection, overcurrent etc.When changing, the transmission line of electricity running status makes a response fast.Application of the present utility model can greatly improve power supply reliability, improves robotization, the level of IT application, for the safe operation of power circuit escorts.

My agate section obtains the examination application to transmission line malfunction pick-up unit described in the utility model the end of in the show of Qinghai-Tibet Railway hilllock.This section thunderstorm in summer is frequent, and the high pressure fusion tube explosion that often takes place to cause because of thunder and lightning causes earth fault.And this Duan Wugao megaphanerophyte, the short circuit and the earth fault that cause because of nesting on the online bar of birds are comparatively common.Relatively poor and circuit is longer because of this area road situation, it is consuming time longer that artificial line walking is carried out to the whole piece circuit in the back of breaking down.The shared Tie Tong of this section base station 6 circuit length overalls 38.15Km is provided with one group of fault information acquisition device every 1.5Km, amounts to arrange 31 groups.Fault can be navigated to rapidly more among a small circle after the installation in (1.5Km or certain base station) scope, make the maintainer can find the trouble spot also to fix a breakdown rapidly more fast.

Description of drawings

Fig. 1 is the structural representation of transmission line malfunction pick-up unit described in the utility model;

Schematic diagram when Fig. 2 detects earth fault for transmission line malfunction pick-up unit described in the utility model;

Schematic diagram when Fig. 3 detects short trouble for transmission line malfunction pick-up unit described in the utility model;

Fig. 4 is a kind of concrete structure synoptic diagram of the failure message conveyer of transmission line malfunction pick-up unit described in the utility model.

Embodiment

The transmission line malfunction pick-up unit, by some groups, every group three and be individually fixed in when using on the transmission line of electricity three-phase and fault information acquisition device 21 that can the wireless transmit failure message, corresponding with every group of fault information acquisition device and be fixed on the electric power line pole tower when using and receive, the failure message conveyer 22 of the failure message of sending by every group of fault information acquisition device of GSM forwarded again receives and the data processing equipment of being made up of computing machine 23 and the message recipient 24 that is connected with computing machine of the failure message that the handling failure information transmission device is transmitted constitutes by the GSM network.During concrete enforcement, the arranges one group of fault information acquisition device and failure message conveyer every 0.5-2KM on transmission line of electricity.The fault information acquisition device adopts the Spring Card line structure, and hanging wire is installed on the high-tension line.Quantity that mounts and place can be decided in its sole discretion as required by the user, and suggestion is installed in bifurcation, accident-prone area section and other position that need monitor of power circuit.The failure message conveyer utilizes anchor ear to install on the online bar prolongation support and uses bolt.Data processing equipment can be installed in places such as electric substation, power supply station, office, control room as required, requires indoor damp proof preventing dust, and does not have high-intensity magnetic field on every side, in order to avoid cause the interference to computer system.

During concrete enforcement, fault information acquisition device 21 is made of testing circuit, analytical algorithm circuit, trigger circuit, wireless transmission circuit module, power circuit.The HR-1PC series fault information acquisition device of perhaps directly selecting for use the Beijing Haoruida Science and Technology Co.,Ltd to produce.

Adopt the mode of wireless telecommunications to transmit information between fault information acquisition device 21 and the failure message conveyer 22.The two is operated in the 2.4G ISM band, adopts the DSSS mode to modulate.This mode has characteristics such as antijamming capability is strong, signal stabilization, transfer rate height.Compare because the fault information acquisition device is directly installed on the circuit with wired mode, do not have line, avoided near the potential safety hazard that erecting equipment brought high-tension line with other parts.As shown in Figure 4, failure message conveyer 22 comprises processor (MCU) 25, the signal input part of processor 25 is connected with wireless receiving module 26, and the signal output part of processor 25 is connected with GPRS radio receiving transmitting module 27, and processor 25 also is connected with solar-electricity source manager 28.Processor (MCU) 25 adopts the ST low-power consumption 32 bit processor STM32L of company, characteristics such as have fast operation, energy consumption is low, programming is simple, encryption feature is good.The technical grade 2.4G wireless receiving module that wireless receiving module 26 adopts U.S. DIGI company to produce has characteristics such as stability is high, Data Receiving is reliable.Wireless receiving module adopts the low energy consumption standby mode at ordinary times but begins normal reception when detecting wireless signal.The technical grade GPRS module that the French WAVECOM of GPRS radio receiving transmitting module 27 employings company produces has the advantages that operating temperature range is wide, signal intensity good, data transmission is stable.The GPRS module is in closed condition when no information transmits, start shooting rapidly when information transmits demand and the information of finishing transmits.Solar-electricity source manager 28 is made of two groups of 20W solar panels and wide temperature range type maintenance-free lead accumulator.

Message recipient 24 adopts communication server.This communication server can send to the form of information such as fault type and fault section with note on the mobile phone of appointment.

As shown in Figure 2, detect the transient state capacitor discharge electric current of ground connection moment and detect line voltage distribution when reducing, think line-to-ground, otherwise ground connection does not take place in circuit.Post a letter and 12 not actions by 2# line C phase 3,6,9 failure detectors as figure, can judge D section generation earth fault.

As shown in Figure 3, according to short circuit phenomenon, have a power failure as the action foundation in the direct mutation of transcient short circuit time electric current, protection action.By 2# line B mutually 2,5,8 failure detectors and 3# line C mutually 3,6,9 failure detectors post a letter and 11 and 12 attonitys, can judge the D section fault that is short-circuited.

Claims (8)

1. transmission line malfunction pick-up unit, it is characterized by: by some groups, every group three and be individually fixed in when using on the transmission line of electricity three-phase and fault information acquisition device (21) that can the wireless transmit failure message, corresponding with every group of fault information acquisition device and be fixed on the electric power line pole tower when using and receive, the failure message conveyer (22) of the failure message of sending by every group of fault information acquisition device of GSM forwarded again receives and the handling failure information transmission device is transmitted the data processing equipment formation of being made up of computing machine (23) and the message recipient that is connected with computing machine (24) of the failure message that comes by the GSM network.
2. transmission line malfunction pick-up unit according to claim 1 is characterized by: fault information acquisition device (21) is made of testing circuit, analytical algorithm circuit, trigger circuit, wireless transmission circuit module, power circuit.
3. transmission line malfunction pick-up unit according to claim 1 is characterized by: the HR-1PC series fault information acquisition device that fault information acquisition device (21) selects for use the Beijing Haoruida Science and Technology Co.,Ltd to produce.
4. according to claim 1 or 2 or 3 described transmission line malfunction pick-up units, it is characterized by: failure message conveyer (22) comprises processor (25), the signal input part of processor (25) is connected with wireless receiving module (26), the signal output part of processor (25) is connected with GPRS radio receiving transmitting module (27), and processor (25) also is connected with solar-electricity source manager (28).
5. transmission line malfunction pick-up unit according to claim 4, it is characterized by: the processor (25) of failure message conveyer (22) adopts the ST low-power consumption 32 bit processor STM32L of company, the technical grade 2.4G wireless receiving module that wireless receiving module (26) adopts U.S. DIGI company to produce, the technical grade GPRS module that the French WAVECOM of GPRS radio receiving transmitting module (27) employing company produces, solar-electricity source manager (28) is made of two groups of 20W solar panels and wide temperature range type maintenance-free lead accumulator.
6. according to claim 1 or 2 or 3 described transmission line malfunction pick-up units, it is characterized by: message recipient (24) adopts communication server.
7. transmission line malfunction pick-up unit according to claim 4 is characterized by: message recipient (24) adopts communication server.
8. transmission line malfunction pick-up unit according to claim 5 is characterized by: message recipient (24) adopts communication server.
CN2010205358829U 2010-09-20 2010-09-20 Failure detection device for power transmission line CN201812025U (en)

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Application Number Priority Date Filing Date Title
CN2010205358829U CN201812025U (en) 2010-09-20 2010-09-20 Failure detection device for power transmission line

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Application Number Priority Date Filing Date Title
CN2010205358829U CN201812025U (en) 2010-09-20 2010-09-20 Failure detection device for power transmission line

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CN201812025U true CN201812025U (en) 2011-04-27

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102243803A (en) * 2011-07-25 2011-11-16 南京因泰莱配电自动化设备有限公司 On-line fault monitoring system based on general packet radio service (GPRS) network
CN102590707A (en) * 2012-02-23 2012-07-18 江苏三通仪器系统有限公司 Cable monitoring system based on GPRS (general packet radio service)
CN102749554A (en) * 2012-06-19 2012-10-24 张忠华 Electric power circuit fault detecting system
CN103471722A (en) * 2013-10-08 2013-12-25 珠海亿能电力科技有限公司 Intelligent mobile on-line temperature measuring system
CN104237732A (en) * 2014-10-17 2014-12-24 国家电网公司 Power transmission line fault judging/locating method
CN104267316A (en) * 2014-10-17 2015-01-07 国网四川省电力公司电力科学研究院 Medium voltage transmission line malfunction positioning system
CN105609209A (en) * 2014-11-03 2016-05-25 谢安军 High-strength high voltage transmission power cable
CN105609208A (en) * 2014-10-15 2016-05-25 谢安军 High-voltage transmission power cable
CN105609207A (en) * 2014-11-03 2016-05-25 谢安军 High voltage transmission power cable system
CN105632637A (en) * 2014-10-02 2016-06-01 谢安军 High-voltage power transmission power cable system
CN105655050A (en) * 2014-10-15 2016-06-08 谢春梅 High-strength low-resistance-rate high-voltage transmission power cable
CN105655051A (en) * 2014-11-03 2016-06-08 谢安军 High-strength high-voltage transmission power cable
CN105655052A (en) * 2014-11-03 2016-06-08 谢安军 High-voltage transmission power cable system
CN105655049A (en) * 2014-10-15 2016-06-08 谢安军 High-voltage transmission power cable
CN105699805A (en) * 2016-01-27 2016-06-22 郭兵 An electric system fault detection communication apparatus
CN105761814A (en) * 2014-11-03 2016-07-13 谢安军 High voltage power transmission power cable system
CN105761819A (en) * 2014-11-03 2016-07-13 谢安军 High-strength high-voltage transmission power cable
CN105761818A (en) * 2014-10-15 2016-07-13 谢春梅 High-strength low-resistivity high-voltage transmission power cable
CN105761817A (en) * 2014-11-03 2016-07-13 谢安军 High voltage power transmission power cable system
CN105761816A (en) * 2014-10-15 2016-07-13 谢安军 high voltage transmission power cable
CN105761820A (en) * 2014-10-15 2016-07-13 谢春梅 High-strength low-resistivity high-voltage transmission power cable
CN105761815A (en) * 2014-11-03 2016-07-13 谢安军 High strength high voltage transmission power cable
CN105810283A (en) * 2014-10-15 2016-07-27 谢春梅 High-strength low-electrical-resistivity high-voltage transmission power cable
CN106443327A (en) * 2016-08-31 2017-02-22 国网山东省电力公司曹县供电公司 Power transmission line fault detection apparatus
CN107525994A (en) * 2017-08-09 2017-12-29 河北卫信电力科技有限公司 A kind of high voltage transmission line fault monitoring system

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102243803A (en) * 2011-07-25 2011-11-16 南京因泰莱配电自动化设备有限公司 On-line fault monitoring system based on general packet radio service (GPRS) network
CN102590707A (en) * 2012-02-23 2012-07-18 江苏三通仪器系统有限公司 Cable monitoring system based on GPRS (general packet radio service)
CN102749554A (en) * 2012-06-19 2012-10-24 张忠华 Electric power circuit fault detecting system
CN103471722B (en) * 2013-10-08 2017-02-08 杭州亿晟电力科技有限公司 Intelligent mobile on-line temperature measuring system
CN103471722A (en) * 2013-10-08 2013-12-25 珠海亿能电力科技有限公司 Intelligent mobile on-line temperature measuring system
CN105632637A (en) * 2014-10-02 2016-06-01 谢安军 High-voltage power transmission power cable system
CN105761820A (en) * 2014-10-15 2016-07-13 谢春梅 High-strength low-resistivity high-voltage transmission power cable
CN105609208A (en) * 2014-10-15 2016-05-25 谢安军 High-voltage transmission power cable
CN105810283A (en) * 2014-10-15 2016-07-27 谢春梅 High-strength low-electrical-resistivity high-voltage transmission power cable
CN105655049A (en) * 2014-10-15 2016-06-08 谢安军 High-voltage transmission power cable
CN105632639A (en) * 2014-10-15 2016-06-01 谢安军 High-voltage transmission power cable
CN105655050A (en) * 2014-10-15 2016-06-08 谢春梅 High-strength low-resistance-rate high-voltage transmission power cable
CN105761816A (en) * 2014-10-15 2016-07-13 谢安军 high voltage transmission power cable
CN105761818A (en) * 2014-10-15 2016-07-13 谢春梅 High-strength low-resistivity high-voltage transmission power cable
CN104267316A (en) * 2014-10-17 2015-01-07 国网四川省电力公司电力科学研究院 Medium voltage transmission line malfunction positioning system
CN104237732A (en) * 2014-10-17 2014-12-24 国家电网公司 Power transmission line fault judging/locating method
CN105655052A (en) * 2014-11-03 2016-06-08 谢安军 High-voltage transmission power cable system
CN105761819A (en) * 2014-11-03 2016-07-13 谢安军 High-strength high-voltage transmission power cable
CN105761814A (en) * 2014-11-03 2016-07-13 谢安军 High voltage power transmission power cable system
CN105761817A (en) * 2014-11-03 2016-07-13 谢安军 High voltage power transmission power cable system
CN105655051A (en) * 2014-11-03 2016-06-08 谢安军 High-strength high-voltage transmission power cable
CN105609207A (en) * 2014-11-03 2016-05-25 谢安军 High voltage transmission power cable system
CN105761815A (en) * 2014-11-03 2016-07-13 谢安军 High strength high voltage transmission power cable
CN105609209A (en) * 2014-11-03 2016-05-25 谢安军 High-strength high voltage transmission power cable
CN105699805A (en) * 2016-01-27 2016-06-22 郭兵 An electric system fault detection communication apparatus
CN106443327A (en) * 2016-08-31 2017-02-22 国网山东省电力公司曹县供电公司 Power transmission line fault detection apparatus
CN107525994A (en) * 2017-08-09 2017-12-29 河北卫信电力科技有限公司 A kind of high voltage transmission line fault monitoring system

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Granted publication date: 20110427

Termination date: 20180920