CN112635236A - Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication - Google Patents

Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication Download PDF

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Publication number
CN112635236A
CN112635236A CN202110133903.7A CN202110133903A CN112635236A CN 112635236 A CN112635236 A CN 112635236A CN 202110133903 A CN202110133903 A CN 202110133903A CN 112635236 A CN112635236 A CN 112635236A
Authority
CN
China
Prior art keywords
circuit breaker
things
internet
vacuum circuit
independent communication
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
CN202110133903.7A
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Chinese (zh)
Inventor
李寅
樊金泽
李红伟
桂续桐
李卡
刘鹏
傅兴强
朱楠
杨子力
孙二双
杨海军
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Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Original Assignee
Qujing Power Supply Bureau Yunnan Power Grid 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.)
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Publication date
Application filed by Qujing Power Supply Bureau Yunnan Power Grid Co Ltd filed Critical Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
Priority to CN202110133903.7A priority Critical patent/CN112635236A/en
Publication of CN112635236A publication Critical patent/CN112635236A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/6606—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
    • H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
    • H01H33/66—Vacuum switches
    • H01H33/662—Housings or protective screens
    • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
    • 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
    • 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
    • H02J13/00001—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 the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • 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
    • H02J13/00017—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 using optical fiber
    • 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
    • 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
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses
    • Y—GENERAL 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/128—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment involving the use of Internet protocol

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication. The vacuum circuit breaker on the present post can not satisfy higher operation requirement's problem mainly solved. The method is characterized in that: the intelligent control system comprises a circuit breaker unit and an FTU unit which are connected through signals, wherein the circuit breaker unit is connected with a main station through a communication module and comprises a circuit breaker and an isolating switch which are electrically connected, the circuit breaker is connected with a circuit incoming line, the isolating switch is connected with a circuit outgoing line, and a voltage transformer and a current transformer are arranged on the circuit incoming line. The invention provides an integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and double-card independent communication, which has the advantages that a circuit breaker, a disconnecting switch, a TV, a TA and an FTU are integrated uniformly, the intelligent degree is high, five remote control (namely remote control, remote measurement, remote signaling, remote sensing and remote viewing) is realized, faults are isolated accurately, a rapid automatic power restoration system is adopted in a non-fault area, a 4G wireless signal communication mode is preferably selected, the butt joint speed is high, and the expansion applicability is good.

Description

Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication
Technical Field
The invention relates to the field of outdoor vacuum circuit breakers, in particular to an integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and double-card independent communication.
Background
With the development of the technology of the internet of things and the steady progress of the construction scale of the national smart grid, electrical equipment which is more convenient, more reliable and more intelligent to control is the final choice of a user; meanwhile, with the increase of sensitive loads, a vacuum circuit breaker, which is an important control and protection device of a primary power system, is required to be used as a management layer to know the operation condition of the device at any time and any place, and synchronous intelligent operation is required to be realized, so that the power grid dispatching automation system develops towards digitalization, integration, meshing, standardization, marketization and intellectualization.
The existing pole-mounted vacuum circuit breaker is still more traditional and cannot meet higher use requirements.
Disclosure of Invention
In order to overcome the defects of the background art, the invention provides an integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and double-card independent communication, and mainly solves the problem that the existing pole-mounted vacuum circuit breaker cannot meet higher use requirements.
The specific implementation scheme of the invention is as follows:
vacuum circuit breaker on integral type intelligence post based on thing networking and two card independent communication, circuit breaker unit and FTU unit including signal connection, the circuit breaker unit passes through communication module and main website signal connection, communication module is 4/5G radio signal module or optical network communication module, the circuit breaker unit includes circuit breaker and the isolator of electricity connection, the circuit breaker is connected with the circuit inlet wire, isolator is qualified for the next round of competitions with the circuit and is connected, be provided with voltage transformer and current transformer on the circuit inlet wire.
And a temperature sensor is arranged in the circuit breaker.
And a humidity sensor is arranged in the circuit breaker.
The circuit breaker circumference outside is equipped with the camera.
And the temperature sensor and the humidity sensor are connected with an FTU signal.
The camera is in signal connection with the FTU.
And the FTU is in signal connection with the master station.
The invention has the beneficial effects that: the invention provides an integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and double-card independent communication, which has the advantages that a circuit breaker, a disconnecting switch, a TV, a TA and an FTU are integrated uniformly, the intelligent degree is high, five remote control (remote control, remote measurement, remote signaling, remote sensing and remote vision) is realized, faults are isolated accurately, a rapid automatic power restoration system is arranged in a non-fault area, a 4G wireless signal communication mode is preferably selected, the butt joint speed is high, and the expansion applicability is good.
Drawings
FIG. 1 is a block diagram of a system in accordance with one embodiment of the present invention.
FIG. 2 is a circuit diagram of an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which: as shown in the figure, integral type intelligence column vacuum circuit breaker based on thing networking and two card independent communication, circuit breaker unit and FTU unit including signal connection, the circuit breaker unit passes through communication module and main website signal connection, communication module is 4/5G radio signal module or optical network communication module, the circuit breaker unit includes circuit breaker and the isolator of electricity connection, the circuit breaker is connected with the circuit inlet wire, isolator is qualified for the next round of competitions with the circuit and is connected, be provided with voltage transformer and current transformer on the circuit inlet wire. The invention provides an integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and double-card independent communication, wherein a circuit breaker, a disconnecting switch, a TV, a TA and an FTU are integrated uniformly, the intelligent degree is high, five-remote control is realized, faults are isolated accurately, a non-fault area quick automatic power restoration system preferentially selects a 4G wireless signal communication mode, the butt joint speed is high, and the expansion applicability is good. The distribution switch monitoring terminal (FTU for short) has the functions of remote control, remote measurement, remote signaling and fault detection, communicates with a distribution automation main station, provides the running condition of a distribution system and various parameters and information required by monitoring and controlling, including on-off state, electric energy parameters, phase-to-phase faults, grounding faults and parameters during faults, executes commands issued by the distribution main station, adjusts and controls distribution equipment, and realizes the functions of fault positioning, fault isolation, quick recovery of a non-fault area, power supply and the like. FTU is distribution network automation intelligent terminal device, and the remote sensing function will gather circuit breaker body environment humiture data and share to the terminal main website in real time, and the remote vision function will be like being deposited by the all-round arbitrary control of main website to circuit breaker surrounding hexagonal degree or video like mobile phone video conversation. The Internet of things can be completed by autonomous topological networking of a mobile public network (4G/5G) and an optical fiber Ethernet, a master-slave mode can be realized, and the network networking system has compatibility, expansibility and network safety protection.
And a temperature sensor is arranged in the circuit breaker.
And a humidity sensor is arranged in the circuit breaker.
The circuit breaker circumference outside is equipped with the camera.
And the temperature sensor and the humidity sensor are connected with an FTU signal.
The camera is in signal connection with the FTU.
And the FTU is in signal connection with the master station. The remote sensing function is to gather circuit breaker body environment humiture data and share to terminal main website in real time, and the remote vision function will be like the cell-phone video conversation by the all-round arbitrary control of main website to circuit breaker periphery hexagonal or video recording save.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The embodiments described with reference to the drawings are illustrative and are intended to be illustrative of the invention and should not be construed as limiting the invention. The examples should not be construed as limiting the present invention, but any modifications made based on the spirit of the present invention should be within the scope of protection of the present invention.

Claims (7)

1. Vacuum circuit breaker on integral type intelligence post based on thing networking and two card independent communication, its characterized in that: breaker unit (1) and FTU unit (2) including signal connection, the breaker unit passes through communication module (3) and main website (9) signal connection, communication module is 4/5G wireless signal module or optical network communication module, the breaker unit is including circuit breaker (11) and isolator (12) of electricity connection, the circuit breaker is connected with the circuit inlet wire, isolator is qualified for the next round of competitions with the circuit and is connected, be provided with voltage transformer (13) and current transformer (14) on the circuit inlet wire.
2. The integrated intelligent pole-mounted vacuum circuit breaker based on the internet of things and the dual-card independent communication according to claim 1, is characterized in that: and a temperature sensor is arranged in the circuit breaker.
3. The integrated intelligent pole-mounted vacuum circuit breaker based on the internet of things and the dual-card independent communication according to claim 2, is characterized in that: and a humidity sensor is arranged in the circuit breaker.
4. The integrated intelligent pole-mounted vacuum circuit breaker based on the internet of things and the dual-card independent communication according to claim 3, wherein: the circuit breaker circumference outside is equipped with the camera.
5. The integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and the dual-card independent communication according to claim 4, is characterized in that: and the temperature sensor and the humidity sensor are connected with an FTU signal.
6. The integrated intelligent pole-mounted vacuum circuit breaker based on the Internet of things and the dual-card independent communication according to claim 5, is characterized in that: the camera is in signal connection with the FTU.
7. The integrated intelligent pole-mounted vacuum circuit breaker based on the internet of things and the dual-card independent communication according to claim 6, wherein: and the FTU is in signal connection with the master station.
CN202110133903.7A 2021-02-01 2021-02-01 Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication Pending CN112635236A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110133903.7A CN112635236A (en) 2021-02-01 2021-02-01 Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication

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Application Number Priority Date Filing Date Title
CN202110133903.7A CN112635236A (en) 2021-02-01 2021-02-01 Integrated intelligent pole-mounted vacuum circuit breaker based on Internet of things and double-card independent communication

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CN112635236A true CN112635236A (en) 2021-04-09

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205028839U (en) * 2015-09-08 2016-02-10 北京泽源惠通科技发展有限公司 Vacuum circuit breaker
CN207458841U (en) * 2017-10-16 2018-06-05 南京普瑞电力科技有限公司 A kind of outdoor AC high-voltage permanent magnetic vacuum breaker
CN207800473U (en) * 2018-01-04 2018-08-31 河北弘业电气有限公司 Intelligent vacuum circuit breaker
CN210607092U (en) * 2019-11-19 2020-05-22 数邦电力科技有限公司 Solid-sealed insulating pole and primary and secondary depth fusion integrated on-pole circuit breaker
CN111694288A (en) * 2020-05-20 2020-09-22 国网河北省电力有限公司电力科学研究院 On-site feeder automation function closed-loop automatic test platform

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205028839U (en) * 2015-09-08 2016-02-10 北京泽源惠通科技发展有限公司 Vacuum circuit breaker
CN207458841U (en) * 2017-10-16 2018-06-05 南京普瑞电力科技有限公司 A kind of outdoor AC high-voltage permanent magnetic vacuum breaker
CN207800473U (en) * 2018-01-04 2018-08-31 河北弘业电气有限公司 Intelligent vacuum circuit breaker
CN210607092U (en) * 2019-11-19 2020-05-22 数邦电力科技有限公司 Solid-sealed insulating pole and primary and secondary depth fusion integrated on-pole circuit breaker
CN111694288A (en) * 2020-05-20 2020-09-22 国网河北省电力有限公司电力科学研究院 On-site feeder automation function closed-loop automatic test platform

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Inventor after: Li Yin

Inventor after: Yang Zili

Inventor after: Liu Peng

Inventor after: Yang Haijun

Inventor after: Sun Ershuang

Inventor after: Duan Yi

Inventor after: Li Hongwei

Inventor after: Zhu Liang

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Inventor after: Fan Jinze

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