CN202928695U - On-line monitoring and early warning system for fault of city cable joint - Google Patents

On-line monitoring and early warning system for fault of city cable joint Download PDF

Info

Publication number
CN202928695U
CN202928695U CN 201220691083 CN201220691083U CN202928695U CN 202928695 U CN202928695 U CN 202928695U CN 201220691083 CN201220691083 CN 201220691083 CN 201220691083 U CN201220691083 U CN 201220691083U CN 202928695 U CN202928695 U CN 202928695U
Authority
CN
China
Prior art keywords
cable splice
temperature sensor
early warning
monitoring
monitoring device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN 201220691083
Other languages
Chinese (zh)
Inventor
王立军
王勇
叶军
李宽如
姜才军
戴浩斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Power Networks Co
Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Daishan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority to CN 201220691083 priority Critical patent/CN202928695U/en
Application granted granted Critical
Publication of CN202928695U publication Critical patent/CN202928695U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses an on-line monitoring and early warning system for faults of a city cable joint. The on-line monitoring and early warning system comprises a host computer management system (1), monitoring devices (3), induction energy obtaining power sources (4) and temperature sensors (5) used for sensing temperatures of cable joints in cable joint distribution boxes (2), wherein each cable joint distribution box (2) is equipped with one monitoring device (3), one induction energy obtaining power source (4) and one temperature sensor (5). The induction energy obtaining power source (4) and the temperature sensor (5) in each cable joint distribution box (2) are both connected with the monitoring device (3). Each monitoring device (3) in each cable joint distribution box (2) is in communication connection with the host computer management system (1) via a network. The on-line monitoring and early warning system is suitable for power supply and distribution networks in large and medium-sized cities.

Description

City cable splice On-line Fault monitoring and early warning system
Technical field
The utility model relates to city cable splice On-line Fault monitoring and early warning system.
Background technology
Power industry is the basis of national economic development and industry in advance, has very important status in the development of the national economy.The basic task of electric system is to supply electric energy " safety, reliable, high-quality ".Follow the fast development of Chinese national economy, the raising of urban construction and modernization of industry degree has run into unprecedented challenge as the power industry of lifelines of the national economy.
Cable splice is one of weak link in the power supply network safe operation, be superheated to the generation of fire failure from cable splice, its speed of development is slow, the time is longer, and temperature of cable junction is carried out the generation that on-line monitoring could prevent and reduce Cable Firing Accident effectively.
The collecting and distributing type system for detecting temperature that adopts at present is only applicable to (as transformer station) application in a relatively little scope.For the city distribution network that adopts direct buried cable laying mode, due to wide, the distance of electrical network distribution, the monitoring device erecting stage can't provide power supply, make field device not set up communication port with the master system of Central Control Room, also just can't realize the remote monitoring to cable splice running status or fault.
The utility model content
The technical problems to be solved in the utility model is that a kind of city cable splice On-line Fault monitoring and early warning system that is suitable for the big and medium-sized cities distribution network is provided.
Technical solution of the present utility model is, a kind of city cable splice On-line Fault monitoring and early warning system with following structure is provided, comprises Managing system of above position machine and be located at monitoring device in each cable splice distribution box, induction energy fetching power supply and for detection of the temperature sensor of the temperature of the cable splice in the cable splice distribution box; Induction energy fetching power supply in each cable splice distribution box all is connected with monitoring device with temperature sensor; Monitoring device in each cable splice distribution box all communicates with Managing system of above position machine by network and is connected.
After adopting above structure, the monitoring of city of the present utility model cable splice On-line Fault and early warning system compared with prior art, have the following advantages:
Because city of the present utility model cable splice On-line Fault monitoring and early warning system comprise Managing system of above position machine and be located at monitoring device, induction energy fetching power supply and temperature sensor in each cable splice distribution box; Temperature sensor is used for the temperature of the cable splice in real-time detection streamer joint distribution box, and become signal to be transferred to monitoring device the temperature transition that detects, the temperature signal that monitoring device Real-Time Monitoring temperature sensor transmits, when the temperature signal that monitors reception when monitoring device surpasses the warning temperature, monitoring device can automatically send alerting signal by network communication and transmission to Managing system of above position machine, after Managing system of above position machine received alerting signal, the monitor staff notified the operations staff to take corresponding treatment measures.Managing system of above position machine carries out data interaction by network service and each monitoring device, the temperature data that can show in real time the cable splice in each cable splice distribution box, the monitor staff judges the running status of cable splice by the analysis to these temperature datas, so that the generation of Accident prevention better.Described induction energy fetching power supply is to utilize electromagnetic induction principle, can respond to alternating voltage from high voltage bus or circuit by coil by getting, and then powers for monitoring device after overcommutation, filtering, voltage stabilizing, solves the powerup issue of monitoring device.Therefore, city cable splice On-line Fault monitoring of the present utility model is suitable for the big and medium-sized cities distribution network with early warning system.
As a kind of improvement of the present utility model, each monitoring device includes single-chip microcomputer and GSM/GPRS module; Described induction energy fetching power supply and temperature sensor all are connected with described single-chip microcomputer; Described single-chip microcomputer is connected with the GSM/GPRS module; Described GSM/GPRS module communicates with Managing system of above position machine by network and is connected.After adopting this kind structure, described single-chip microcomputer is used for receiving and processing signals; Described GSM/GPRS module realizes the radio communication between monitoring device and Managing system of above position machine.
As another kind of improvement the of the present utility model, described temperature sensor is infrared temperature sensor.After adopting this kind structure, infrared temperature sensor is non-contact measurement apparatus, forceful electric power can be incorporated in measurement mechanism and burn out equipment or have an accident.
Also have a kind of improvement as of the present utility model, described temperature sensor is fibre optic temperature sensor.After adopting this kind structure, fibre optic temperature sensor is non-contact measurement apparatus, forceful electric power can be incorporated in measurement mechanism and burn out equipment or have an accident.
Description of drawings
Fig. 1 is the circuit block diagram of city of the present utility model cable splice On-line Fault monitoring and early warning system.
Fig. 2 is the annexation figure between monitoring device, induction energy fetching power supply and the temperature sensor of the monitoring of city of the present utility model cable splice On-line Fault and early warning system.
Shown in figure: 1, Managing system of above position machine, 2, the cable splice distribution box, 3, monitoring device, 3.1, single-chip microcomputer, 3.2, the GSM/GPRS module, 4, the induction energy fetching power supply, 5, temperature sensor.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
See also illustrated in figures 1 and 2ly, city of the present utility model cable splice On-line Fault monitoring comprises Managing system of above position machine 1 with early warning system and is located at monitoring device 3 in each cable splice distribution box 2, induction energy fetching power supply 4 and for detection of the temperature sensor 5 of the temperature of the cable splice in cable splice distribution box 2.Induction energy fetching power supply 4 in each cable splice distribution box 2 all is connected with monitoring device 3 with temperature sensor 5.Monitoring device 3 in each cable splice distribution box 2 all communicates with Managing system of above position machine 1 by network and is connected.
Each monitoring device 3 includes single-chip microcomputer 3.1 and GSM/GPRS module 3.2.Described induction energy fetching power supply 4 is connected with temperature sensor and all is connected with described single-chip microcomputer 3.1.Described single-chip microcomputer 3.1 is connected with GSM/GPRS module 3.2.Described GSM/GPRS module 3.2 communicates with Managing system of above position machine 1 by network and is connected.
In this specific embodiment, described temperature sensor 5 is infrared temperature sensor, also can be fibre optic temperature sensor.
during work, the temperature of the cable splice in the real-time detection streamer joint distribution box 2 of temperature sensor 5, and become temperature signal to be transferred to single-chip microcomputer 3.1 in monitoring device 3 temperature transition that detects, single-chip microcomputer 3.1 receives temperature signal that temperature sensors 5 transmit and the temperature signal that receives and the warning temperature of single-chip microcomputer 3.1 interior settings is compared, when temperature signal surpasses the warning temperature, monitoring device 3 can automatically send alerting signal and utilize wireless communication to be transferred to Managing system of above position machine 1 by GSM/GPRS module 3.2, after Managing system of above position machine 1 receives alerting signal, the monitor staff can notify the operations staff to take corresponding treatment measures to avoid the generation of accident.Managing system of above position machine 1 also carries out data interaction by network service and each monitoring device 3, the temperature data that can show in real time the cable splice in each cable splice distribution box 2, the monitor staff judges the running status of cable splice by the analysis to these temperature datas, so that the generation of Accident prevention better.

Claims (4)

1. a city cable splice On-line Fault monitoring and early warning system is characterized in that: comprise Managing system of above position machine (1) and be located at monitoring device (3) in each cable splice distribution box (2), induction energy fetching power supply (4) and for detection of the temperature sensor (5) of the temperature of the cable splice in cable splice distribution box (2); Induction energy fetching power supply (4) in each cable splice distribution box (2) all is connected with monitoring device (3) with temperature sensor (5); Monitoring device (3) in each cable splice distribution box (2) all communicates with Managing system of above position machine (1) by network and is connected.
2. the monitoring of city according to claim 1 cable splice On-line Fault and early warning system, it is characterized in that: each monitoring device (3) includes single-chip microcomputer (3.1) and GSM/GPRS module (3.2); Described induction energy fetching power supply (4) is connected 5 with temperature sensor) all be connected with described single-chip microcomputer (3.1); Described single-chip microcomputer (3.1) is connected with GSM/GPRS module (3.2); Described GSM/GPRS module (3.2) communicates with Managing system of above position machine (1) by network and is connected.
3. the monitoring of city according to claim 1 and 2 cable splice On-line Fault and early warning system, it is characterized in that: described temperature sensor (5) is infrared temperature sensor.
4. the monitoring of city according to claim 1 and 2 cable splice On-line Fault and early warning system, it is characterized in that: described temperature sensor (5) is fibre optic temperature sensor.
CN 201220691083 2012-12-14 2012-12-14 On-line monitoring and early warning system for fault of city cable joint Active CN202928695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220691083 CN202928695U (en) 2012-12-14 2012-12-14 On-line monitoring and early warning system for fault of city cable joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220691083 CN202928695U (en) 2012-12-14 2012-12-14 On-line monitoring and early warning system for fault of city cable joint

Publications (1)

Publication Number Publication Date
CN202928695U true CN202928695U (en) 2013-05-08

Family

ID=48218648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220691083 Active CN202928695U (en) 2012-12-14 2012-12-14 On-line monitoring and early warning system for fault of city cable joint

Country Status (1)

Country Link
CN (1) CN202928695U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104362755A (en) * 2014-11-27 2015-02-18 国网河南省电力公司平顶山供电公司 High-voltage cabinet busbar joint temperature and current monitoring and protecting system
CN104501990A (en) * 2014-12-29 2015-04-08 河海大学常州校区 Online monitoring system of cable connector temperature rise
CN104596656A (en) * 2014-10-17 2015-05-06 芜湖扬宇机电技术开发有限公司 Temperature early warning method of cable joint
CN105203700A (en) * 2014-06-13 2015-12-30 桂林电子科技大学 Real-time early warning system for internal environment of high-voltage cable branch boxes
CN105758554A (en) * 2015-11-27 2016-07-13 北京中昌天盛科技有限公司 Power transmission line temperature online monitoring system and method, and application

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105203700A (en) * 2014-06-13 2015-12-30 桂林电子科技大学 Real-time early warning system for internal environment of high-voltage cable branch boxes
CN104596656A (en) * 2014-10-17 2015-05-06 芜湖扬宇机电技术开发有限公司 Temperature early warning method of cable joint
CN104362755A (en) * 2014-11-27 2015-02-18 国网河南省电力公司平顶山供电公司 High-voltage cabinet busbar joint temperature and current monitoring and protecting system
CN104501990A (en) * 2014-12-29 2015-04-08 河海大学常州校区 Online monitoring system of cable connector temperature rise
CN105758554A (en) * 2015-11-27 2016-07-13 北京中昌天盛科技有限公司 Power transmission line temperature online monitoring system and method, and application

Similar Documents

Publication Publication Date Title
CN202928695U (en) On-line monitoring and early warning system for fault of city cable joint
CN102590670B (en) High voltage cable smart grounding box
CN205808462U (en) A kind of cable shaft state comprehensive monitoring intelligent monitoring terminal on the spot and early warning system
CN203870191U (en) Low-voltage line fault locating terminal of power distribution area
CN103616859A (en) Visualization direct current supply grounding device based on video image, and monitor method
CN104362736A (en) Intelligent component cabinet and monitoring method for intelligent transformer
CN202734975U (en) Overtemperature alarm apparatus for cable connector inside switch cabinet
CN203812088U (en) Transformer station cable trench tour monitoring system
CN103884961A (en) Cable fault on-line monitoring system
CN201788571U (en) Substation live-line equipment safety distance monitoring and warning system
CN106443275A (en) Method and apparatus for monitoring low-voltage distribution transformer for ship
CN202904861U (en) Temperature collector of electric cable intermediate connector
CN105203700A (en) Real-time early warning system for internal environment of high-voltage cable branch boxes
CN203337270U (en) Cable temperature measuring system
CN204205712U (en) A kind of transforming plant DC power supply is near, remote wireless monitoring system
CN203323879U (en) On-line monitoring system for joint temperature of plugging bus
CN205353270U (en) Intelligent cable fault indicator
CN204966989U (en) Take switch board safety monitoring device of temperature detection
CN204028049U (en) High-Voltage Cable Branching Case internal environment real-time early warning system
CN203908587U (en) Optical cable splice box temperature and humidity wireless detecting system
CN106207825A (en) There is temperature online intellectual monitoring function and the contact box of three distant functions
CN203216611U (en) Buried electric cable connecting head state monitoring system
CN102231571A (en) Ground wire on-line monitor system
CN204679587U (en) Cable fault detector
CN204536473U (en) A kind of change/switchgear building cable integrated information intelligent acquisition device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20170116

Address after: Gaoting town of Daishan County in Zhejiang province Zhoushan City Road 316200 No. 619 Hill Road

Patentee after: DAISHAN POWER SUPPLY COMPANY, STATE GRID ZHEJIANG ELECTRIC POWER CO., LTD.

Patentee after: State Power Networks Co

Address before: 316200 Daishan County, Zhoushan City, the town of Gao Ting Xu Fu Road, No. 111, No.

Patentee before: Zhejiang Daishan County Electric Power Co., Ltd.