CN112858859A - Crosslinked polyethylene power cable insulation monitoring device - Google Patents

Crosslinked polyethylene power cable insulation monitoring device Download PDF

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Publication number
CN112858859A
CN112858859A CN202110415694.5A CN202110415694A CN112858859A CN 112858859 A CN112858859 A CN 112858859A CN 202110415694 A CN202110415694 A CN 202110415694A CN 112858859 A CN112858859 A CN 112858859A
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CN
China
Prior art keywords
module
data
temperature
power cable
monitoring device
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Pending
Application number
CN202110415694.5A
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Chinese (zh)
Inventor
谭之栋
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Jiangsu Senhai Electric Co ltd
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Jiangsu Senhai Electric Co ltd
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Application filed by Jiangsu Senhai Electric Co ltd filed Critical Jiangsu Senhai Electric Co ltd
Priority to CN202110415694.5A priority Critical patent/CN112858859A/en
Publication of CN112858859A publication Critical patent/CN112858859A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/12Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
    • G01R31/1227Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
    • G01R31/1263Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
    • G01R31/1272Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Protection Of Static Devices (AREA)

Abstract

The invention discloses a crosslinked polyethylene power cable insulation monitoring device, which comprises: the output ends of the temperature sensor and the corresponding positioning module are connected with the input end of the data receiving module, and the output end of the data receiving module is connected with the input end of the data processing module; the output end of the data processing module is respectively connected with the input ends of the data display module, the data comparison module and the database, the output end of the database is connected with the input end of the data extraction module, and the output end of the data extraction module is connected with the input end of the data comparison module; the output end of the central control module is respectively connected with the input end of the execution module; the invention has the beneficial effects that: the accuracy of the insulation detection of the power cable can be improved; through the setting of stand-by circuit module, can continue to supply power for the load, guarantee the normal operating of load, and the disconnection power cable power supply simultaneously, the convenience is maintained the power cable that takes place unusually, guarantees maintenance safety.

Description

Crosslinked polyethylene power cable insulation monitoring device
Technical Field
The invention relates to the technical field of insulation monitoring, in particular to a crosslinked polyethylene power cable insulation monitoring device.
Background
The insulating property of crosslinked polyethylene power cable is the important index of its safe operation, in case its insulating nature destroys, may lead to the incident, original power cable insulation monitoring device can't pass through collection and contrast of data, the insulating nature of accurate judgement power cable, and when insulating nature takes place unusually, also can not accurate judgement the position that takes place unusually, be unfavorable for quick maintenance, in case take place when insulating nature is unusual, can lead to the unable normal power supply of load, it is also unsafe to the maintenance of power cable, for this reason, we provide a crosslinked polyethylene power cable insulation monitoring device.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a crosslinked polyethylene power cable insulation monitoring device.
In order to achieve the purpose, the invention provides the following technical scheme: a crosslinked polyethylene power cable insulation monitoring device comprising:
the temperature sensors are clamped on power cables of different lines through clamps, and each clamp is integrated with a positioning module;
the output ends of the temperature sensor and the corresponding positioning module are connected with the input end of the data receiving module, and the output end of the data receiving module is connected with the input end of the data processing module;
the output end of the data processing module is respectively connected with the input ends of the data display module, the data comparison module and the database, the output end of the database is connected with the input end of the data extraction module, and the output end of the data extraction module is connected with the input end of the data comparison module;
the output ends of the central control module and the wireless communication module are respectively connected with the input ends of the execution module and the alarm module;
the execution module comprises a switch module, a voltage stabilizing module and a standby circuit module.
The standby circuit modules are connected in parallel to corresponding power cables, and the voltage stabilizing modules are connected in series to the standby circuit modules;
the switch module is used for disconnecting the power supply of the power cable and enabling the load to be connected with the standby circuit module, and the voltage stabilizing module is used for stabilizing voltage for the standby circuit module.
The temperature sensor is used for detecting the temperature data of the power cable of the corresponding line and transmitting the temperature data to the data receiving module, and the positioning module is used for transmitting the position data of the temperature sensor corresponding to the positioning module to the data receiving module.
The data display module is used for displaying the temperature data detected by each group of temperature sensors and the position data of the temperature sensors.
The database is used for storing safe temperature interval data of the power cable of the line, temperature data detected by each group of temperature sensors and position data of the temperature sensors, and the data extraction module transmits the safe temperature interval data to the data comparison module.
The data comparison module compares the safe temperature interval data with the temperature data detected by the temperature sensor, when the temperature data detected by the temperature sensor exceeds the safe temperature interval data, the wireless communication module controls the alarm module to generate an alarm, and meanwhile, the central control module controls the execution module to work.
Compared with the prior art, the invention has the beneficial effects that: the insulation performance of the power cable is judged by detecting the temperature of the power cable, and the data comparison module compares the data of the safe temperature interval with the temperature data detected by the temperature sensor, so that the accuracy of the insulation detection of the power cable can be improved;
when the temperature data detected by the temperature sensor exceeds the safety temperature interval data, the alarm module is controlled to generate an alarm through the wireless communication module, the central control module controls the execution module to work, the switch module is used for disconnecting the power supply of the power cable at the alarm position, the load is enabled to be connected with the standby circuit module, the power supply for the load can be continued through the setting of the standby circuit module, the normal operation of the load is ensured, the power supply for the power cable is disconnected at the same time, the power cable with the abnormal occurrence is conveniently maintained, and the maintenance safety is ensured.
Drawings
Fig. 1 is a schematic view of an insulation monitoring device for a cross-linked polyethylene power cable according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: a crosslinked polyethylene power cable insulation monitoring device comprising:
the temperature sensors are clamped on power cables of different lines through clamps, and each clamp is integrated with a positioning module;
the output ends of the temperature sensor and the corresponding positioning module are connected with the input end of the data receiving module, and the output end of the data receiving module is connected with the input end of the data processing module;
the output end of the data processing module is respectively connected with the input ends of the data display module, the data comparison module and the database, the output end of the database is connected with the input end of the data extraction module, and the output end of the data extraction module is connected with the input end of the data comparison module;
the output ends of the central control module and the wireless communication module are respectively connected with the input ends of the execution module and the alarm module;
the execution module comprises a switch module, a voltage stabilizing module and a standby circuit module.
The standby circuit modules are connected in parallel to corresponding power cables, and the voltage stabilizing modules are connected in series to the standby circuit modules.
The working principle of the specific implementation is that the temperature sensor is used for detecting the temperature data of the power cable of the corresponding line and transmitting the temperature data to the data receiving module, and the positioning module is used for transmitting the position data of the temperature sensor corresponding to the positioning module to the data receiving module.
The data display module is used for displaying the temperature data detected by each group of temperature sensors and the position data of the temperature sensors.
The database is used for storing safe temperature interval data of the power cable of the line, temperature data detected by each group of temperature sensors and position data of the temperature sensors, and the data extraction module transmits the safe temperature interval data to the data comparison module.
The data contrast module compares the interval data of safe temperature with the temperature data that temperature sensor detected, and when the temperature data that temperature sensor detected exceeded interval data of safe temperature, produced the police dispatch newspaper through wireless communication module control alarm module, and central control module control execution module work simultaneously specifically is: the switch module is used for disconnecting the power supply of the power cable at the position where the alarm occurs and enabling the load to be connected with the standby circuit module, and the voltage stabilizing module is used for stabilizing the voltage of the standby circuit module.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A crosslinked polyethylene power cable insulation monitoring device, comprising:
the temperature sensors are clamped on power cables of different lines through clamps, and each clamp is integrated with a positioning module;
the output ends of the temperature sensor and the corresponding positioning module are connected with the input end of the data receiving module, and the output end of the data receiving module is connected with the input end of the data processing module;
the output end of the data processing module is respectively connected with the input ends of the data display module, the data comparison module and the database, the output end of the database is connected with the input end of the data extraction module, and the output end of the data extraction module is connected with the input end of the data comparison module;
the output ends of the central control module and the wireless communication module are respectively connected with the input ends of the execution module and the alarm module;
the execution module comprises a switch module, a voltage stabilizing module and a standby circuit module.
2. The insulation monitoring device for crosslinked polyethylene power cables according to claim 1, characterized in that: the standby circuit modules are connected in parallel to corresponding power cables, and the voltage stabilizing modules are connected in series to the standby circuit modules;
the switch module is used for disconnecting the power supply of the power cable and enabling the load to be connected with the standby circuit module, and the voltage stabilizing module is used for stabilizing voltage for the standby circuit module.
3. The insulation monitoring device for crosslinked polyethylene power cables according to claim 1, characterized in that: the temperature sensor is used for detecting the temperature data of the power cable of the corresponding line and transmitting the temperature data to the data receiving module, and the positioning module is used for transmitting the position data of the temperature sensor corresponding to the positioning module to the data receiving module.
4. The insulation monitoring device for crosslinked polyethylene power cables according to claim 1, characterized in that: the data display module is used for displaying the temperature data detected by each group of temperature sensors and the position data of the temperature sensors.
5. The insulation monitoring device for crosslinked polyethylene power cables according to claim 1, characterized in that: the database is used for storing safe temperature interval data of the power cable of the line, temperature data detected by each group of temperature sensors and position data of the temperature sensors, and the data extraction module transmits the safe temperature interval data to the data comparison module.
6. The insulation monitoring device for crosslinked polyethylene power cables according to claim 1, characterized in that: the data comparison module compares the safe temperature interval data with the temperature data detected by the temperature sensor, when the temperature data detected by the temperature sensor exceeds the safe temperature interval data, the wireless communication module controls the alarm module to generate an alarm, and meanwhile, the central control module controls the execution module to work.
CN202110415694.5A 2021-04-19 2021-04-19 Crosslinked polyethylene power cable insulation monitoring device Pending CN112858859A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110415694.5A CN112858859A (en) 2021-04-19 2021-04-19 Crosslinked polyethylene power cable insulation monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110415694.5A CN112858859A (en) 2021-04-19 2021-04-19 Crosslinked polyethylene power cable insulation monitoring device

Publications (1)

Publication Number Publication Date
CN112858859A true CN112858859A (en) 2021-05-28

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030003603A (en) * 2001-07-03 2003-01-10 이동영 Apparatus of a global Assessment of Cables Insulation and Method for globally Assessmenting as the same
CN102411119A (en) * 2011-11-21 2012-04-11 合肥工业大学 Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station
CN203465023U (en) * 2013-08-28 2014-03-05 国家电网公司 Power cable insulation fault on-line monitoring system based on single-chip microcomputer
CN203688725U (en) * 2013-12-12 2014-07-02 北京奥一新源科技有限公司 On-line power cable insulating monitoring device
CN203824663U (en) * 2014-02-19 2014-09-10 福州大学 ZigBee-based XLPE electric power cable insulation temperature monitoring device
CN105866648A (en) * 2016-06-24 2016-08-17 国网河南长葛市供电公司 Insulation detecting system for power transmission cables
CN205943550U (en) * 2016-06-14 2017-02-08 长沙汉河电缆有限公司 Prevent overheated cable junction device
CN106872066A (en) * 2017-04-06 2017-06-20 国网江苏省电力公司宿迁供电公司 A kind of integrated temp measuring system of cable and its temp measuring method
CN206804176U (en) * 2017-05-10 2017-12-26 珠海安凯特电力科技有限公司 Intelligent ring main unit cable thermometric detection means
CN208833873U (en) * 2018-09-19 2019-05-07 西安科技大学 A kind of low voltage mine cable insulation monitoring device
CN209745428U (en) * 2019-03-05 2019-12-06 河北三知电力工程设计有限公司 Cable on-line monitoring device
CN112491040A (en) * 2020-11-20 2021-03-12 上海电力设计院有限公司 Automatic switching device for standby power supply line of superconducting cable and operation method thereof

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030003603A (en) * 2001-07-03 2003-01-10 이동영 Apparatus of a global Assessment of Cables Insulation and Method for globally Assessmenting as the same
CN102411119A (en) * 2011-11-21 2012-04-11 合肥工业大学 Intelligent monitoring device for temperature and insulation state of 330KV high-voltage cable in hydropower station
CN203465023U (en) * 2013-08-28 2014-03-05 国家电网公司 Power cable insulation fault on-line monitoring system based on single-chip microcomputer
CN203688725U (en) * 2013-12-12 2014-07-02 北京奥一新源科技有限公司 On-line power cable insulating monitoring device
CN203824663U (en) * 2014-02-19 2014-09-10 福州大学 ZigBee-based XLPE electric power cable insulation temperature monitoring device
CN205943550U (en) * 2016-06-14 2017-02-08 长沙汉河电缆有限公司 Prevent overheated cable junction device
CN105866648A (en) * 2016-06-24 2016-08-17 国网河南长葛市供电公司 Insulation detecting system for power transmission cables
CN106872066A (en) * 2017-04-06 2017-06-20 国网江苏省电力公司宿迁供电公司 A kind of integrated temp measuring system of cable and its temp measuring method
CN206804176U (en) * 2017-05-10 2017-12-26 珠海安凯特电力科技有限公司 Intelligent ring main unit cable thermometric detection means
CN208833873U (en) * 2018-09-19 2019-05-07 西安科技大学 A kind of low voltage mine cable insulation monitoring device
CN209745428U (en) * 2019-03-05 2019-12-06 河北三知电力工程设计有限公司 Cable on-line monitoring device
CN112491040A (en) * 2020-11-20 2021-03-12 上海电力设计院有限公司 Automatic switching device for standby power supply line of superconducting cable and operation method thereof

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Application publication date: 20210528