CN109950805A - A kind of high-tension switch cabinet - Google Patents

A kind of high-tension switch cabinet Download PDF

Info

Publication number
CN109950805A
CN109950805A CN201711385278.5A CN201711385278A CN109950805A CN 109950805 A CN109950805 A CN 109950805A CN 201711385278 A CN201711385278 A CN 201711385278A CN 109950805 A CN109950805 A CN 109950805A
Authority
CN
China
Prior art keywords
tension switch
local discharge
sensor
switch cabinet
bracket
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.)
Granted
Application number
CN201711385278.5A
Other languages
Chinese (zh)
Other versions
CN109950805B (en
Inventor
王子驰
柳俊岗
陈利民
柴娜
李红雷
周银锋
孙红娟
马雪飞
卢玉飞
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 Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
Pinggao Group Co Ltd
Tianjin Pinggao Intelligent Electric 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 State Grid Corp of China SGCC, Pinggao Group Co Ltd, Tianjin Pinggao Intelligent Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711385278.5A priority Critical patent/CN109950805B/en
Publication of CN109950805A publication Critical patent/CN109950805A/en
Application granted granted Critical
Publication of CN109950805B publication Critical patent/CN109950805B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The present invention relates to a kind of high-tension switch cabinets.A kind of high-tension switch cabinet includes cabinet body and setting in the intracorporal electrification display sensor of cabinet, the bracket for installing electrification display sensor is equipped in cabinet body, high-tension switch cabinet further includes the local discharge sensor with this lubber ring of Kenneth Rogoff, installation cavity is equipped between bracket and cabinet body, local discharge sensor is mounted in the installation cavity, the local discharge sensor is equipped with the signal wire for the coupled capacitor of electrification display sensor across route perforation, the signal wire that there is local discharge sensor the local discharge signal for will test to draw.The high-tension switch cabinet includes that cabinet body includes the local discharge sensor with this lubber ring of Kenneth Rogoff, the intracorporal shelf depreciation information of local discharge sensor induction collection cabinet is simultaneously transferred out by signal wire in time, realizes the live line measurement to high-tension switch cabinet shelf depreciation.

Description

A kind of high-tension switch cabinet
Technical field
The present invention relates to a kind of high-tension switch cabinets.
Background technique
Demand with society to electric power constantly increases, and requirement of the people to power quality is higher and higher, while to equipment The requirement of safe operation also correspondinglys increase.High-tension switch cabinet is the electrical equipment that power distribution network largely uses, and is needed in actual operation High-tension switch cabinet is periodically detected, the heavy workload of operation and maintenance.
Notification number is CN205004669U, and the day for announcing is that the Chinese patent of 2016.01.27 discloses a kind of intelligent metal Sealing switch equipment, the Intelligent metal sealed switch equipment include cabinet body and circuit breaker cart, and cabinet body includes bus-bar room, cable Room and secondary component room are equipped with electric ground switch, high-voltage sensor, environment temperature sensor and heating in cable vault Device, high-voltage sensor charge display sensor, and the bracket for installing electrification display sensor is equipped in cabinet body, secondary Electric operation module and temperature-measuring module are installed, operations module connects control of intelligent terminal, and intelligence is controlled in element chamber The terminal processed working condition of real-time display switchgear and emulation mode on its display panel.But high-tension switch cabinet The possibility of shelf depreciation can be generated in operation, or even because shelf depreciation breaks down.
Notification number is CN204287389U, and the day for announcing is that the Chinese patent of 2015.04.22 discloses a kind of high-frequency current office Portion's discharge signal acquires sensor, which, which acquires sensor, has Rogowski coil, and Rogowski coil encloses It is grounded around core FCl, then by integrating resistor.The high-frequency current local discharge signal acquires sensor detection shelf depreciation letter Number when, current carrying conductor passes through Rogowski coil, Rogowski coil induced current pulse, then by integrating resistor acquisition pulse signal, from And judge the size in cable whether there is or not shelf depreciation and shelf depreciation.
It needs to be initially switched off power supply before high-tension switch cabinet carries out Partial Discharge Detection in the prior art, then carries out part and put The connection of electric transducer and Signal Terminal cannot achieve the hotline maintenance of high-tension switch cabinet, and therefore, it is necessary to a kind of high-tension switch cabinets Shelf depreciation live monitoring system, to improve the reliability of high-tension switch cabinet power supply.
Summary of the invention
The purpose of the present invention is to provide a kind of high-tension switch cabinets, solve prior art middle-high voltage switch and are carrying out part When discharge examination, the problem of can not achieve the hotline maintenance of high-tension switch cabinet.
To achieve the above object, the technical solution of high-tension switch cabinet of the present invention is:
Technical solution 1: a kind of high-tension switch cabinet, including cabinet body and setting show sensor, the cabinet body in the intracorporal electrification of cabinet The interior bracket being equipped with for installing electrification display sensor, the high-tension switch cabinet further includes the office with this lubber ring of Kenneth Rogoff Portion's discharge sensor, is equipped with installation cavity between the bracket and cabinet body, the local discharge sensor is mounted on the installation cavity Interior, the signal wire that the local discharge sensor is equipped with the coupled capacitor for charging display sensor passes through the route and wears Hole, the signal wire that there is the local discharge sensor local discharge signal for will test to draw.
The beneficial effect is that: the high-tension switch cabinet includes that cabinet body includes that there is the shelf depreciation of this lubber ring of Kenneth Rogoff to sense Device shows for installing electrification and is equipped with installation cavity between the bracket and cabinet body of sensor, local discharge sensor is mounted on described In installation cavity, the signal wire that local discharge sensor is equipped with the coupled capacitor for charging display sensor passes through the route and wears Hole, the intracorporal shelf depreciation information of local discharge sensor induction collection cabinet are simultaneously transferred out by signal wire in time, realization pair The live line measurement of high-tension switch cabinet shelf depreciation.
Technical solution 2: on the basis of technical solution 1, the signal output end of the signal wire of the local discharge sensor It is connected with output terminal, the output terminal is arranged in the outer panels of high-tension switch cabinet.
Technical solution 3: on the basis of technical solution 2, the output terminal is N-type cable connector.The beneficial effect is that: Output terminal is N-type cable connector, Signal Terminal and local discharge sensor plug connection, is connected more convenient.
Technical solution 4: on the basis of technical solution 1 or 2 or 3, the bracket is in " several " font, and the two sides of bracket are to connect Acting flange, bracket are fixedly connected by connecting flange with cabinet body and surround the installation cavity.
The beneficial effect is that: bracket is in " several " font, and the two sides of bracket are connecting flange, and bracket passes through with cabinet body to be connect Flange, which is fixedly connected, surrounds the installation cavity, makes full use of the space below bracket, makes local discharge sensor to switchgear original Some electric properties and mechanical performance have no effect.
Technical solution 5: on the basis of technical solution 1 or 2 or 3, the local discharge sensor has outside metallic shield Shell, the route perforation are arranged on the Metal shielding shell.
Technical solution 6: on the basis of technical solution 5, the bracket is metal material, and local discharge sensor is fixed to be connected It connects on the intracorporal metal parts of cabinet, the Metal shielding shell connect ground connection with metal parts.
Technical solution 7: on the basis of technical solution 2 or 3, the output terminal signal is connected with for collecting and analyzing The Signal Terminal of the information of local discharge sensor transmitting.
Technical solution 8: on the basis of technical solution 7, the Signal Terminal is Portable PD On-Line live detection instrument, The Portable partial discharge detector includes data acquisition and processing module, data analysis module, data memory module, data Display module and DC power supply.
The beneficial effect is that: Portable partial discharge detector by information data that local discharge sensor is transmitted into The case where row acquires and analysis, can intuitively react shelf depreciation in high-tension switch cabinet body.
Technical solution 9: on the basis of technical solution 1 or 2 or 3, the electrification shows that sensor connects by the way that screw is fixed It connects on bracket.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-tension switch cabinet of the present invention;
Fig. 2 is the structural schematic diagram of the local discharge sensor mounting means of high-tension switch cabinet of the present invention;
Fig. 3 is the structural schematic diagram of local discharge sensor of the present invention;
Fig. 4 is the top view of local discharge sensor shown in Fig. 3;
Fig. 5 is the side view of local discharge sensor shown in Fig. 3;
Fig. 6 is the main view of the intracorporal bracket of cabinet of high-tension switch cabinet of the present invention;
Fig. 7 is the top view of the intracorporal bracket of cabinet of high-tension switch cabinet of the present invention;
Fig. 8 is the circuit diagram of high-tension switch cabinet shelf depreciation live detection of the present invention;
Fig. 9 is the structural schematic diagram of the local discharge sensor mounting means of the embodiment 2 of high-tension switch cabinet of the present invention.
Description of symbols: 1. cabinet bodies;2. electrification display sensor;3. signal wire;4. bracket;41. threaded hole;5. part Discharge sensor;51. route is perforated;6. Portable PD On-Line live detection instrument;7. electrification display.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of high-tension switch cabinet of the invention, as shown in Figures 1 to 7, the high-tension switch cabinet include 1 cabinet body of cabinet body Sensor 2 is shown in the intracorporal electrification of cabinet with setting, and the bracket 4 for installing electrification display sensor 2, institute are equipped in cabinet body 1 Stating high-tension switch cabinet further includes the local discharge sensor 5 with this lubber ring of Kenneth Rogoff, is set between the bracket 4 and cabinet body 1 There is installation cavity, the local discharge sensor 5 is mounted in the installation cavity, and the local discharge sensor 5 is equipped with ribbon supply The signal wire of the coupled capacitor of electricity display sensor 2 passes through route perforation 51, and the local discharge sensor 5, which has, to be used for The signal wire 3 that the local discharge signal that will test is drawn.
Local discharge sensor 5 is fixed on cabinet body 1, and bracket 4 is in " several " font, and the two sides of bracket 4 are connecting flange, branch Frame 4 is fixedly connected by connecting flange with cabinet body 1 and surrounds the installation cavity.The two sides of bracket 4 be equipped with connecting flange, bracket 4 with Cabinet body 1 is fixedly connected by connecting flange.Electrification display sensor 2 is fixed on bracket 4, the upper surface of bracket 4, which is equipped with, to be used for The mounting hole of installation electrification display sensor 2, mounting hole are threaded hole 41, and electrification display sensor 2 is by being threaded through threaded hole Screw in 41 is fixed on bracket 4.
Local discharge sensor is current transformer, and current transformer includes metal screen case and is arranged in metallic shield This lubber ring of the intracorporal Kenneth Rogoff of shell is free of iron core.Metal screen case design size control 70mm*50mm*20mm with It is interior, it is easily installed, route perforation 51 runs through the metal screen case of current transformer, the coupled capacitor of electrification display sensor 2 Signal wire pass through bracket 4 and pipeline punch signal and be connected with electrification display 7.
The signal output end of the signal wire 3 of local discharge sensor 5 is connected with output terminal, and output terminal is arranged in high pressure In the outer panels of switchgear, the cable length on local discharge sensor 5 to outer panels between output terminal is short as far as possible, to reduce Interference, avoids signal transmission attenuation.Output terminal is the N-type cable connector of standard, and N-type cable connector signal is connected with for receiving The Signal Terminal for the information that collection and analysis local discharge sensor 5 transmit, Signal Terminal are Portable PD On-Line live detection Instrument 6, Portable PD On-Line live detection instrument 6 include data acquisition and processing module, data analysis module, data storage mould Block, data disaply moudle and DC power supply.
The output terminal of the signal output end of the local discharge sensor 5 of high-tension switch cabinet of the invention is located at high-voltage switch gear On the panel of cabinet, when carrying out Partial Discharge Detection, Portable PD On-Line live detection instrument 6 is directly plugged on shelf depreciation On the output terminal of sensor 5, as shown in figure 8, electrification display sensor 2 is coupled by high voltage bus coupled capacitor in cabinet body 1 The high-frequency pulse signal of shelf depreciation, local discharge sensor 5 receive high-frequency pulse signal, shelf depreciation by magnetic field induction The information received is transferred to output terminal by signal wire 3 by sensor 5, and Portable PD On-Line live detection instrument 6 is collected The information that local discharge sensor 5 transmits, and Accurate Analysis is carried out to the information being collected into, it realizes to high-tension switch cabinet inside office The precise measurement of portion's electric discharge.
The embodiment 2 of high-tension switch cabinet of the invention, as shown in figure 9, difference from example 1 is that, locally put If the size of electric transducer 5 is relatively large, corresponding groove can be set on cabinet body 1, do not influence other components in cabinet body 1 Arrangement.
In other embodiments, local discharge sensor can be fixed on the metallic framework inside high-tension switch cabinet, example It such as will be on high-tension switch cabinet inner wall or in baffle wall.

Claims (9)

1. a kind of high-tension switch cabinet, including cabinet body and setting show sensor in the intracorporal electrification of cabinet, it is equipped with and uses in the cabinet body The bracket of display sensor is charged in installation, it is characterised in that: the high-tension switch cabinet further includes with this lubber ring of Kenneth Rogoff Local discharge sensor, installation cavity is equipped between the bracket and cabinet body, the local discharge sensor is mounted on the peace In behaveing affectedly, the local discharge sensor is equipped with the signal wire for the coupled capacitor of electrification display sensor across the route Perforation, the signal wire that there is the local discharge sensor local discharge signal for will test to draw.
2. high-tension switch cabinet according to claim 1, it is characterised in that: the letter of the signal wire of the local discharge sensor Number output end is connected with output terminal, and the output terminal is arranged in the outer panels of high-tension switch cabinet.
3. high-tension switch cabinet according to claim 2, it is characterised in that: the output terminal is N-type cable connector.
4. high-tension switch cabinet according to claim 1 or 2 or 3, it is characterised in that: the bracket is in " several " font, bracket Two sides be connecting flange, bracket is fixedly connected by connecting flange with cabinet body and surrounds the installation cavity.
5. high-tension switch cabinet according to claim 1 or 2 or 3, it is characterised in that: the local discharge sensor has gold Belong to shielding shell, the route perforation is arranged on the Metal shielding shell.
6. high-tension switch cabinet according to claim 5, it is characterised in that: the bracket is metal material, and shelf depreciation passes Sensor is fixedly connected on the intracorporal metal parts of cabinet, and the Metal shielding shell connect ground connection with metal parts.
7. high-tension switch cabinet according to claim 2 or 3, it is characterised in that: the output terminal signal, which is connected with, to be used for Collect and analyze the Signal Terminal of the information of local discharge sensor transmitting.
8. high-tension switch cabinet according to claim 7, it is characterised in that: the Signal Terminal is Portable PD On-Line band Electro-detection instrument, the Portable partial discharge detector include data acquisition and processing module, data analysis module, data storage Module, data disaply moudle and DC power supply.
9. high-tension switch cabinet according to claim 1 or 2 or 3, it is characterised in that: the electrification shows that sensor passes through spiral shell Nail is fixedly connected on bracket.
CN201711385278.5A 2017-12-20 2017-12-20 High-voltage switch cabinet Active CN109950805B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711385278.5A CN109950805B (en) 2017-12-20 2017-12-20 High-voltage switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711385278.5A CN109950805B (en) 2017-12-20 2017-12-20 High-voltage switch cabinet

Publications (2)

Publication Number Publication Date
CN109950805A true CN109950805A (en) 2019-06-28
CN109950805B CN109950805B (en) 2020-12-18

Family

ID=67004241

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711385278.5A Active CN109950805B (en) 2017-12-20 2017-12-20 High-voltage switch cabinet

Country Status (1)

Country Link
CN (1) CN109950805B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666427A (en) * 2020-11-27 2021-04-16 广西电网有限责任公司电力科学研究院 Signal extraction device for partial discharge in switch cabinet and detection method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913679A (en) * 2014-03-03 2014-07-09 国联思创(北京)科技有限公司 Online monitoring system for partial discharge of high-voltage switch cabinet
CN204142278U (en) * 2014-06-25 2015-02-04 樊国利 High-tension switch cabinet monitoring device
CN205608140U (en) * 2016-04-22 2016-09-28 贾琼雷 Inside high -pressure conductor of GIS circular arc sensor for partial discharge detector
CN205749787U (en) * 2016-06-21 2016-11-30 上海驹电电气科技有限公司 A kind of local discharge sensor for switch cabinet equipment
CN206595549U (en) * 2017-03-31 2017-10-27 泉州亿兴电力有限公司 A kind of KYN transition cabinet

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103913679A (en) * 2014-03-03 2014-07-09 国联思创(北京)科技有限公司 Online monitoring system for partial discharge of high-voltage switch cabinet
CN204142278U (en) * 2014-06-25 2015-02-04 樊国利 High-tension switch cabinet monitoring device
CN205608140U (en) * 2016-04-22 2016-09-28 贾琼雷 Inside high -pressure conductor of GIS circular arc sensor for partial discharge detector
CN205749787U (en) * 2016-06-21 2016-11-30 上海驹电电气科技有限公司 A kind of local discharge sensor for switch cabinet equipment
CN206595549U (en) * 2017-03-31 2017-10-27 泉州亿兴电力有限公司 A kind of KYN transition cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112666427A (en) * 2020-11-27 2021-04-16 广西电网有限责任公司电力科学研究院 Signal extraction device for partial discharge in switch cabinet and detection method

Also Published As

Publication number Publication date
CN109950805B (en) 2020-12-18

Similar Documents

Publication Publication Date Title
CN103913679B (en) High-tension switch cabinet partial discharge monitoring system
CN203479966U (en) On-line monitoring comprehensive processing unit for partial discharge signals of high-voltage switchgear
CN202693740U (en) GIS (Geographic Information System) partial discharge online monitoring comprehensive processing unit
CN104502821A (en) Capacitive sensor based on-line switch cabinet partial discharge monitoring system and method
CN207636199U (en) The sheath assembly and temperature measurement system of temperature change for sensing end
CN101504321B (en) On-line monitoring system for switch cabinet state
CN104181377A (en) High-voltage ultra-small unmanned electroscope
CN110208635A (en) A kind of insulation monitoring device of positioning function with ground that capableing of self-test
CN109950805A (en) A kind of high-tension switch cabinet
CN203981829U (en) Local discharge detection device in a kind of high-tension switch cabinet
CN203572868U (en) System used for measuring interference voltage of intelligent assembly of transformer station GIS
CN103900636A (en) Online insulation and temperature monitoring system used for 12kV solid insulated switch cabinet
CN201600390U (en) Tap measuring terminal of high voltage electrical apparatus
CN103364100B (en) Contact box with built-in over-temperature protection device
CN104898032A (en) Fault detection apparatus of distribution network switch cabinet
CN202676845U (en) Device for monitoring earth fault of transformer core
CN210199238U (en) Intelligent sensor integrating monitoring of leakage current and partial discharge of sleeve
CN203732962U (en) Real-time wireless temperature monitoring system
CN106405340A (en) GIS fault indication system based on partial discharge sensor
CN205509252U (en) But cubical switchboard temperature monitoring's insulation support
CN103630251A (en) Wireless temperature measuring device
CN214845588U (en) Comprehensive state monitoring device for transformer substation switch cabinet
CN104166076A (en) Partial discharge detecting device in high-voltage switch cabinet
CN105242126A (en) High-orbit satellite electrostatic discharge monitoring device
CN102866332A (en) On-line corona discharge detection system for cable terminal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant