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CN113990050A - High-voltage cable real-time monitoring and early warning system for high-speed railway - Google Patents

High-voltage cable real-time monitoring and early warning system for high-speed railway Download PDF

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Publication number
CN113990050A
CN113990050A CN202111244281.1A CN202111244281A CN113990050A CN 113990050 A CN113990050 A CN 113990050A CN 202111244281 A CN202111244281 A CN 202111244281A CN 113990050 A CN113990050 A CN 113990050A
Authority
CN
China
Prior art keywords
early warning
cable
voltage cable
unit
data acquisition
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.)
Pending
Application number
CN202111244281.1A
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Chinese (zh)
Inventor
陈致辛
马道平
李帅兵
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.)
Jiangsu Zhijie Rail Transit Technology Co ltd
Original Assignee
Jiangsu Zhijie Rail Transit Technology 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 Jiangsu Zhijie Rail Transit Technology Co ltd filed Critical Jiangsu Zhijie Rail Transit Technology Co ltd
Priority to CN202111244281.1A priority Critical patent/CN113990050A/en
Publication of CN113990050A publication Critical patent/CN113990050A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/185—Electrical failure alarms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00016—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using a wired telecommunication network or a data transmission bus
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/38—Services specially adapted for particular environments, situations or purposes for collecting sensor information
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2213/00—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network
    • H02J2213/10—Indexing scheme relating to details of circuit arrangements for providing remote indication of network conditions of for circuit arrangements for providing remote control of switching means in a power distribution network using simultaneously two or more different transmission means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/80—Arrangements in the sub-station, i.e. sensing device
    • H04Q2209/84—Measuring functions

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The invention discloses a high-voltage cable real-time monitoring and early warning system for a high-speed railway, which comprises a sheath circulating current monitoring module, a partial discharge monitoring module, a short-circuit fault monitoring module, a load current monitoring module, a cable surface temperature monitoring module and an energy-taking mutual inductor which are arranged in a cable working well and a cross interconnection box, as well as a water level sensor, a smoke sensor, a harmful gas sensor and an environment temperature and humidity sensor which are arranged on a tower pole and a cable layer bracket, wherein all the monitoring modules and the sensors are connected with a sensor signal bus, the sensor signal bus is connected with a data acquisition device, the data acquisition device comprises a device host and a high-voltage cable grounding box, a data acquisition unit, a communication unit and a power supply unit are arranged in the device host, and the data acquisition device is connected with a data management platform through GPRS communication and an LAN network, the data management platform comprises an alarm unit, an early warning unit and a monitoring unit.

Description

High-voltage cable real-time monitoring and early warning system for high-speed railway
Technical Field
The invention relates to a high-voltage cable real-time monitoring and early warning system for a high-speed railway.
Background
At present, the operation and maintenance modes of the high-voltage cable mainly comprise three aspects of inspection, power failure maintenance and online detection, from the economic perspective and the technical perspective, planned inspection and power failure maintenance have limitations, especially, the operation state information of the high-voltage cable cannot be timely obtained between maintenance interval periods, the online detection can comprehensively master the operation state of the high-voltage cable, the occurrence of the conditions of grounding circulation, insulation state, abnormal overheating and the like of the high-voltage cable sheath can be effectively identified, early warning information is timely provided, and a fault hidden danger valve is eliminated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-voltage cable real-time monitoring and early warning system for a high-speed railway, which is convenient to connect.
A real-time monitoring and early warning system for high-voltage cable of high-speed railway is composed of the sheath circulating current monitor module, local discharge monitor module, short-circuit failure monitor module, load current monitor module, cable surface temp monitor module and energy-taking mutual inductor, water level sensor, smoke sensor, harmful gas sensor and environment temp and humidity sensor on tower and cable layer, all the monitor modules and sensors are connected to sensor signal bus, which is composed of host and high-voltage cable grounding box, data acquisition unit, communication unit and power supply unit in host, data management platform including alarm unit, power supply unit, and power supply unit, Early warning unit and monitoring unit.
As a further improvement, the data acquisition device comprises an optical fiber temperature measuring device.
As a further improvement, the optical fiber temperature measuring device comprises a sensing optical cable, the sensing optical cable is connected with a bidirectional coupler, the bidirectional coupler is connected with a plurality of photoelectric avalanche diodes, each photoelectric avalanche diode is connected with a signal acquisition and processing card through an amplifier, and the signal acquisition and processing card is connected with a DTS host computer and an industrial personal computer.
As a further improvement, an optical fiber temperature sensor is arranged in the sensing optical cable.
As a further improvement, the bidirectional coupler is connected with the laser assembly.
As a further improvement, the number of the avalanche photodiodes is 2.
Has the advantages that:
through the research and development of the early warning system, the operation state of the high-voltage cable line can be effectively and comprehensively monitored, the defects and faults of equipment can be timely early warned and alarmed, the occurrence and the expansion of power accidents are avoided, and the safe, reliable and stable operation of the high-voltage cable line is ensured. Meanwhile, the system can be used for performing power failure maintenance on equipment in a targeted manner, so that the power failure maintenance time is reduced, and the power supply reliability is improved.
Drawings
FIG. 1 is a system block diagram of a high voltage cable real-time monitoring and early warning system for a high speed railway;
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in figure 1, the high-voltage cable real-time monitoring and early warning system for the high-speed railway comprises a high-voltage cable real-time monitoring and early warning system for the high-speed railway, a sheath circulating current monitoring module, a partial discharge monitoring module, a short-circuit fault monitoring module, a load current monitoring module, a cable surface temperature monitoring module and an energy-taking mutual inductor which are arranged in a cable working well and a cross interconnection box, as well as a water level sensor, a smoke sensor, a harmful gas sensor and an environment temperature and humidity sensor which are arranged on a tower pole and a cable layer bracket, wherein all the monitoring modules and the sensors are connected with a sensor signal bus which is connected with a data acquisition device, the data acquisition device comprises a device host and a high-voltage cable grounding box, a data acquisition unit, a communication unit and a power supply unit are arranged in the device host, the data acquisition device is connected with the data management platform through GPRS communication and a LAN network, and the data management platform comprises an alarm unit, an early warning unit and a monitoring unit.
The data acquisition device comprises an optical fiber temperature measuring device.
The optical fiber temperature measuring device comprises a sensing optical cable, the sensing optical cable is connected with a bidirectional coupler, the bidirectional coupler is connected with a plurality of photoelectric avalanche diodes, each photoelectric avalanche diode is connected with a signal acquisition and processing card through an amplifier, and the signal acquisition and processing card is connected with a DTS host computer and an industrial personal computer.
Wherein, an optical fiber temperature sensor is arranged in the sensing optical cable.
Wherein, the bidirectional coupler is connected with the laser component.
Wherein, the number of the avalanche photo diodes is 2.
Through the research and development of the early warning system, the operation state of the high-voltage cable line can be effectively and comprehensively monitored, the defects and faults of equipment can be timely early warned and alarmed, the occurrence and the expansion of power accidents are avoided, and the safe, reliable and stable operation of the high-voltage cable line is ensured. Meanwhile, the system can be used for performing power failure maintenance on equipment in a targeted manner, so that the power failure maintenance time is reduced, and the power supply reliability is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (6)

1. A high-voltage cable real-time monitoring and early warning system for a high-speed railway is characterized by comprising a sheath circulating current monitoring module, a partial discharge monitoring module, a short-circuit fault monitoring module, a load current monitoring module, a cable surface temperature monitoring module and an energy-obtaining mutual inductor which are arranged in a cable working well and a cross interconnection box, as well as a water level sensor, a smoke sensor, a harmful gas sensor and an environment temperature and humidity sensor which are arranged on a tower pole and a cable layer bracket, wherein all the monitoring modules and the sensors are connected with a sensor signal bus, the sensor signal bus is connected with a data acquisition device, the data acquisition device comprises a device host and a high-voltage cable grounding box, a data acquisition unit, a communication unit and a power supply unit are arranged in the device host, and the data acquisition device is connected with a data management platform through GPRS communication and an LAN network, the data management platform comprises an alarm unit, an early warning unit and a monitoring unit.
2. The high-voltage cable real-time monitoring and early warning system for the high-speed railway according to claim 1, wherein the data acquisition device comprises an optical fiber temperature measuring device.
3. The real-time monitoring and early warning system for the high voltage cable of the high speed railway as claimed in claim 2, wherein the optical fiber temperature measuring device comprises a sensing optical cable, the sensing optical cable is connected with a bidirectional coupler, the bidirectional coupler is connected with a plurality of avalanche photodiodes, each avalanche photodiode is connected with a signal acquisition and processing card through an amplifier, and the signal acquisition and processing card is connected with the DTS host computer and the industrial personal computer.
4. The high-voltage cable real-time monitoring and early warning system for the high-speed railway according to claim 3, wherein an optical fiber temperature sensor is arranged in the sensing optical cable.
5. The real-time monitoring and early warning system for the high-voltage cable of the high-speed railway according to claim 3, wherein the bidirectional coupler is connected with the laser component.
6. The real-time monitoring and early warning system for the high voltage cable of the high speed railway as claimed in claim 1, wherein the number of the avalanche photo diodes is 2.
CN202111244281.1A 2021-10-26 2021-10-26 High-voltage cable real-time monitoring and early warning system for high-speed railway Pending CN113990050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111244281.1A CN113990050A (en) 2021-10-26 2021-10-26 High-voltage cable real-time monitoring and early warning system for high-speed railway

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111244281.1A CN113990050A (en) 2021-10-26 2021-10-26 High-voltage cable real-time monitoring and early warning system for high-speed railway

Publications (1)

Publication Number Publication Date
CN113990050A true CN113990050A (en) 2022-01-28

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Application Number Title Priority Date Filing Date
CN202111244281.1A Pending CN113990050A (en) 2021-10-26 2021-10-26 High-voltage cable real-time monitoring and early warning system for high-speed railway

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1400453A (en) * 2001-07-27 2003-03-05 中国计量学院 Distributed optical fibre temperature sensor system
CN201876324U (en) * 2010-11-12 2011-06-22 湖北擎宇科技有限公司 Double-light source light path structure of distributed optical fiber Raman temperature sensor
CN102122844A (en) * 2011-03-01 2011-07-13 江苏省电力设计院 Intelligent substation based on sensor, communication network and expert system
CN202443038U (en) * 2012-02-22 2012-09-19 广东电网公司珠海供电局 High-voltage cable intelligence earth box
CN104050793A (en) * 2014-06-26 2014-09-17 国家电网公司 Intelligent online monitoring and pre-warning system for cable operation condition
CN205562071U (en) * 2016-04-28 2016-09-07 山西大同大学 Novel distributed optical fiber sensing temperature alarm system
CN106017560A (en) * 2016-06-14 2016-10-12 上海君世电气科技有限公司 Cable well state comprehensive monitoring and early warning system
CN206876810U (en) * 2017-07-03 2018-01-12 杭州欣美成套电器制造有限公司 A kind of high-voltage intelligent grounding box on-Line Monitor Device

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1400453A (en) * 2001-07-27 2003-03-05 中国计量学院 Distributed optical fibre temperature sensor system
CN201876324U (en) * 2010-11-12 2011-06-22 湖北擎宇科技有限公司 Double-light source light path structure of distributed optical fiber Raman temperature sensor
CN102122844A (en) * 2011-03-01 2011-07-13 江苏省电力设计院 Intelligent substation based on sensor, communication network and expert system
CN202443038U (en) * 2012-02-22 2012-09-19 广东电网公司珠海供电局 High-voltage cable intelligence earth box
CN104050793A (en) * 2014-06-26 2014-09-17 国家电网公司 Intelligent online monitoring and pre-warning system for cable operation condition
CN205562071U (en) * 2016-04-28 2016-09-07 山西大同大学 Novel distributed optical fiber sensing temperature alarm system
CN106017560A (en) * 2016-06-14 2016-10-12 上海君世电气科技有限公司 Cable well state comprehensive monitoring and early warning system
CN206876810U (en) * 2017-07-03 2018-01-12 杭州欣美成套电器制造有限公司 A kind of high-voltage intelligent grounding box on-Line Monitor Device

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Application publication date: 20220128

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