CN203465382U - Insulation monitoring system of high-voltage cable sheath - Google Patents

Insulation monitoring system of high-voltage cable sheath Download PDF

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Publication number
CN203465382U
CN203465382U CN201320528454.7U CN201320528454U CN203465382U CN 203465382 U CN203465382 U CN 203465382U CN 201320528454 U CN201320528454 U CN 201320528454U CN 203465382 U CN203465382 U CN 203465382U
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CN
China
Prior art keywords
monitoring
cable
monitoring terminal
temperature sensor
temperature sensors
Prior art date
Application number
CN201320528454.7U
Other languages
Chinese (zh)
Inventor
钱伟杰
钟宏伟
陈超
金国忠
冯健
葛黄徐
金艳
奕嘉
胡恒
俞婷倩
严峻
Original Assignee
国家电网公司
国网浙江省电力公司嘉兴供电公司
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Application filed by 国家电网公司, 国网浙江省电力公司嘉兴供电公司 filed Critical 国家电网公司
Priority to CN201320528454.7U priority Critical patent/CN203465382U/en
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Publication of CN203465382U publication Critical patent/CN203465382U/en

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Abstract

An insulation monitoring system of a high-voltage cable sheath comprises a monitoring terminal host computer, a monitoring server and sampling sensors. The sampling sensors comprises metal-sheath current detectors of high-voltage cables, running current detectors, cable surface temperature sensors and grounding box temperature sensors; the metal-sheath current detectors, the running current detectors, the cable surface temperature sensors and the grounding box temperature sensors are connected with the monitoring terminal host computer; and the monitoring terminal host computer is connected to the monitoring server through a GPRS/CDMA wireless transmission network, the cable surface temperature sensors are connected with the monitoring terminal host computer through a T-shaped connector, and the grounding box temperature sensors are connected with the monitoring terminal host computer through a T-shaped connector. The insulation monitoring system has the advantages of simple and reasonable structure, good reliability and the like, work efficiency can be effectively improved, and electric power accidents are prevented from occurrence.

Description

A kind of high-tension cable insulating sheath monitoring system

Technical field

The utility model relates to a kind of high-tension cable insulating sheath monitoring system, belong to power equipment safety monitoring technical field.

Background technology

For high-tension cable, traditional insulating sheath monitoring means is mainly to measure insulating sheath resistance or charged with pincers type reometer measurement sheath power-cycled by power failure.In recent years, in order to improve the reliability index of transmission line of electricity, the chance of high-tension cable interruption maintenance is fewer and feweri; Due to the residing circumstance complication of underground cable, adopt traditional hand dipping sheath circulating current more and more difficult.

In the actual motion of high-tension cable, whether cable core running current whether overload, major insulation and insulating sheath there is defect, can be from the reacting condition of cable metal sheath circulating current out, if the circulating current index of energy Real-Time Monitoring operation cable metal sheath, for avoiding the long-term overlond running of cable, Load Regulation, the aspects such as safe operation maintenance are significant.

Summary of the invention

The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of simple and reasonable for structure, and good reliability, can effectively increase work efficiency, and prevents the high-tension cable insulating sheath monitoring system that electric power accident occurs.

The purpose of this utility model completes by following technical solution, it comprises monitoring terminal main frame, monitoring server and sampling sensor, described sampling sensor comprises metal sheath current detector, running current detecting device, cable surface temperature sensor and the grounding box temperature sensor of high-tension cable, and described metal sheath current detector, running current detecting device, cable surface temperature sensor and grounding box temperature sensor are connected respectively described monitoring terminal main frame.

Described monitoring terminal main frame is connected in monitoring server by GPRS/CDMA wireless transmission net, and described cable surface temperature sensor and grounding box temperature sensor are connected with described monitoring terminal main frame by t connector separately.

The utlity model has simple and reasonable for structurely, good reliability, can effectively increase work efficiency, and prevents the features such as electric power accident generation.

Accompanying drawing explanation

Fig. 1 is that structure of the present utility model forms schematic diagram.

Embodiment

Below in conjunction with accompanying drawing, the utility model is done to detailed introduction: shown in Fig. 1, the utility model comprises monitoring terminal main frame 1, monitoring server 2 and sampling sensor 3, described sampling sensor 3 comprises metal sheath current detector 31, running current detecting device 32, cable surface temperature sensor 33 and the grounding box temperature sensor 34 of high-tension cable, and described metal sheath current detector, running current detecting device, cable surface temperature sensor and grounding box temperature sensor are connected respectively described monitoring terminal main frame 1.

Shown in figure, described monitoring terminal main frame 1 is connected in monitoring server 2 by GPRS/CDMA wireless transmission net 4, and described cable surface temperature sensor 33 and grounding box temperature sensor 34 are connected with described monitoring terminal main frame 1 by t connector 5 separately.

Embodiment:

The utility model be mainly by GPRS wireless by data transfer to monitoring server, real time data acquisition, system data sample frequency 10 seconds to 1 minute is controlled; Database was at interval of 5 to 60 minutes preservation real time datas, controlled.Server monitoring software adopts Browser/Server (browser/server) structure, and user can use WWW browser checking monitoring data.Server monitoring software is multi-user's software, and same server is shared in all supervisory control of substation unit, reduces to greatest extent hardware and drops into and operation expense; Server monitoring software adopts simultaneous techniques, can realize any station server and move simultaneously, as long as there is a station server normally to move, just can guarantee that background system normally moves; Remote server synchronous, adopts and encrypts UDP message bag and realize; When equipment under test notes abnormalities, server adopts note to carry out remote alarms, mainly comprises that running current and sheath circulating current pace of change surpass setting value, sheath circulating current/running current >=10% etc.

Server monitoring software is to form according to standard design of Configuration Software, can arbitrary extension functional module, there is powerful data analysis capabilities, and can adapt to specific user's various demands.During the expansion of monitoring terminal quantity, do not need to revise system software.

WEB browser, does not adopt any assembly and control, and user, without mounting software, just can use WWW browser checking monitoring data; Database adopts the link of ADO technology, data query fast response time not only, and can be easy to be transplanted to SQL Server or Oricle database.

Monitoring terminal does not need outside that power supply is provided, and by current transformer, obtains cable running current and as the power supply of whole terminal; Running current terminal in the scope of 50~1000A all can work.

Voltage Cable Lines Construction is electrical network important component part, guarantees that cable line safe operation is power grid enterprises' important duty.Cable sheath insulation is well that cable moves one of requisite electric condition, report that at any time cable jacket insulation situation has great importance, can effectively prevent major insulation damage, as termite is bitten, damage etc., even can report the pilferage of earth wire immediately.By continuous monitoring cable metal sheath circulating current and cable terminal, joint or body surface temperature, also being analyzed and relatively monitor insulating sheath situation, is not change at present connection, does not affect the feasible effective way of cable operation.

Claims (2)

1. a high-tension cable insulating sheath monitoring system, it comprises monitoring terminal main frame, monitoring server and sampling sensor, it is characterized in that described sampling sensor comprises metal sheath current detector, running current detecting device, cable surface temperature sensor and the grounding box temperature sensor of high-tension cable, described metal sheath current detector, running current detecting device, cable surface temperature sensor and grounding box temperature sensor are connected respectively described monitoring terminal main frame.
2. high-tension cable insulating sheath monitoring system according to claim 1, it is characterized in that described monitoring terminal main frame is connected in monitoring server by GPRS/CDMA wireless transmission net, described cable surface temperature sensor and grounding box temperature sensor are connected with described monitoring terminal main frame by t connector separately.
CN201320528454.7U 2013-08-28 2013-08-28 Insulation monitoring system of high-voltage cable sheath CN203465382U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320528454.7U CN203465382U (en) 2013-08-28 2013-08-28 Insulation monitoring system of high-voltage cable sheath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320528454.7U CN203465382U (en) 2013-08-28 2013-08-28 Insulation monitoring system of high-voltage cable sheath

Publications (1)

Publication Number Publication Date
CN203465382U true CN203465382U (en) 2014-03-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320528454.7U CN203465382U (en) 2013-08-28 2013-08-28 Insulation monitoring system of high-voltage cable sheath

Country Status (1)

Country Link
CN (1) CN203465382U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103528701A (en) * 2013-10-18 2014-01-22 国家电网公司 Online monitoring system for temperature and current carrying capacity of power cable
CN103852694A (en) * 2014-03-28 2014-06-11 江苏省电力公司常州供电公司 Power cable intelligent grounding box
CN103926510A (en) * 2014-05-12 2014-07-16 国家电网公司 Current and carrying capacity online monitoring and fault diagnosing and locating method for cable protection layer
CN104914367A (en) * 2015-06-23 2015-09-16 广州供电局有限公司 Quick fault positioning method for cable outer protective layer
CN105445633A (en) * 2015-12-24 2016-03-30 浙江中电智能科技有限公司 High-voltage cable protective layer loop current multi-state monitoring device
CN105629136A (en) * 2015-12-28 2016-06-01 国网甘肃省电力公司金昌供电公司 Cable insulation state online automatic monitoring and diagnosis system
CN105910649A (en) * 2016-06-08 2016-08-31 石家庄开发区中实检测设备有限公司 High voltage cable state monitoring system based on direct grounding box and realization method thereof

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103528701A (en) * 2013-10-18 2014-01-22 国家电网公司 Online monitoring system for temperature and current carrying capacity of power cable
CN103852694A (en) * 2014-03-28 2014-06-11 江苏省电力公司常州供电公司 Power cable intelligent grounding box
CN103926510A (en) * 2014-05-12 2014-07-16 国家电网公司 Current and carrying capacity online monitoring and fault diagnosing and locating method for cable protection layer
CN103926510B (en) * 2014-05-12 2016-04-13 国家电网公司 A kind of cable sheath electric current and current-carrying capacity on-line monitoring and fault diagonosing localization method
CN104914367A (en) * 2015-06-23 2015-09-16 广州供电局有限公司 Quick fault positioning method for cable outer protective layer
CN105445633A (en) * 2015-12-24 2016-03-30 浙江中电智能科技有限公司 High-voltage cable protective layer loop current multi-state monitoring device
CN105629136A (en) * 2015-12-28 2016-06-01 国网甘肃省电力公司金昌供电公司 Cable insulation state online automatic monitoring and diagnosis system
CN105629136B (en) * 2015-12-28 2019-02-26 国网甘肃省电力公司金昌供电公司 Cable insulation status online auto monitoring and diagnostic system
CN105910649A (en) * 2016-06-08 2016-08-31 石家庄开发区中实检测设备有限公司 High voltage cable state monitoring system based on direct grounding box and realization method thereof

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