CN105206483B - Fuse switch and its method of work - Google Patents

Fuse switch and its method of work Download PDF

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Publication number
CN105206483B
CN105206483B CN201510536048.9A CN201510536048A CN105206483B CN 105206483 B CN105206483 B CN 105206483B CN 201510536048 A CN201510536048 A CN 201510536048A CN 105206483 B CN105206483 B CN 105206483B
Authority
CN
China
Prior art keywords
fuse
static contact
cartridge fuse
pressure sensor
contact
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.)
Expired - Fee Related
Application number
CN201510536048.9A
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Chinese (zh)
Other versions
CN105206483A (en
Inventor
陈波
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.)
Anyang Power Supply Co of State Grid Henan Electric Power Co Ltd
Original Assignee
Wuhu Kaixin Lightning Arrester 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 Wuhu Kaixin Lightning Arrester Co Ltd filed Critical Wuhu Kaixin Lightning Arrester Co Ltd
Priority to CN201510536048.9A priority Critical patent/CN105206483B/en
Publication of CN105206483A publication Critical patent/CN105206483A/en
Application granted granted Critical
Publication of CN105206483B publication Critical patent/CN105206483B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/54Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers
    • 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
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G01R31/3275Fault detection or status indication

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fuses (AREA)
  • Push-Button Switches (AREA)

Abstract

The invention discloses a kind of fuse switch and its method of work, the fuse includes the insulating support of mounting bracket, porcelain piece, cartridge fuse and " duckbilled " shape, the insulating support both ends are respectively equipped with upper static contact and lower static contact, upper static contact and lower static contact are separately positioned on the both ends of porcelain piece, mounting bracket is arranged on the middle part of porcelain piece, cartridge fuse is fastened between the upper static contact of insulating support and lower static contact, cartridge fuse both ends are respectively equipped with moving contact and lower moving contact, and the upper moving contact of the cartridge fuse is provided with pressure sensor.The present invention sets pressure test module to realize the size of clamping force between detection cartridge fuse and " duckbilled " by fuse switch, solve the problems, such as fuse switch occur to coordinate between cartridge fuse and " duckbilled " it is too tight or too loose, with it is safe efficient the advantages of.

Description

Fuse switch and its method of work
Technical field
The invention belongs to electric power system technical field, and in particular to a kind of fuse switch and its method of work.
Background technology
Fuse switch is arranged on 10kV distribution line branch lines, power failure range can be reduced, because it has a high pressure The obvious cut-off point of fuse switch, possess the function of disconnecting switch, a peace is created to maintenance section circuit and equipment Full operating environment, add the sense of security of maintainer., can be as the main guarantor of distribution transformer on distribution transformer Shield, so, popularized in 10kV distribution lines and distribution transformer.The moving contact at cartridge fuse both ends is (molten by fuse Body) to fasten, after upper moving contact is pushed into " duckbilled " protuberance fuse switch point, upper static contact made of phosphorus bronze sheet etc. heads on Upper moving contact, so to be stuck in " duckbilled " securely inner for cartridge fuse.But when fusion tube rotary shaft manufacture it is coarse dumb, make Fusion tube angle does not reach regulatory requirements, and the fusion tube size majority being especially equipped with does not reach regulatory requirements, and fusion tube is long by " duck Mouth " dieback, cause melt fuse after fusion tube can not fall rapidly, in time by arc cutting, extinguish, cause fusion tube to burn or quick-fried It is fried;Fusion tube size is short, closes a floodgate difficult, and contact is bad, produces electric spark, accident easily occurs.
The content of the invention
According to above the deficiencies in the prior art, the technical problems to be solved by the invention are to propose a kind of fuse switch And its method of work, set pressure test module to realize clamping force between detection cartridge fuse and " duckbilled " by fuse switch Size, solve the problems, such as fuse switch occur to coordinate between cartridge fuse and " duckbilled " it is too tight or too loose, have safely, The advantages of efficient.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is:A kind of fuse switch, the fuse Include the insulating support of mounting bracket, porcelain piece, cartridge fuse and " duckbilled " shape, the insulating support both ends are respectively equipped with upper static contact And lower static contact, upper static contact and lower static contact are separately positioned on the both ends of porcelain piece, mounting bracket is arranged on the middle part of porcelain piece, melts Fiber tube is fastened between the upper static contact of insulating support and lower static contact, and cartridge fuse both ends are respectively equipped with moving contact and lower move is touched Head, the upper moving contact of the cartridge fuse are provided with pressure sensor.
The upper surface of the upper surface of the pressure sensor and upper moving contact is in approximately the same plane, insulating support it is upper Sensing platform is additionally provided with static contact, the lower plane of the sensing platform and the lower plane of upper static contact are in approximately the same plane It is interior.The center of the pressure sensor upper surface and the center superposition of sensing platform lower plane.The upper moving contact and upper stationary contact Head is respectively arranged with fastener, and the pressure sensor and sensing platform are connected with fastener respectively.The upper moving contact and upper The fastener set on static contact makes for the good ceramic member that insulate.The outer surface of the cartridge fuse is additionally provided with for receiving pressure The wireless transmitter of force sensor signals and autonomous transmission signal.
A kind of method of work of fuse switch, the method for work are:Pressure sensor and sensing contact with platform, pressure Force snesor measures pressure value, judges the upper moving contact of cartridge fuse and upper with insulating support both ends by the size of pressure value Pressure value between the lower static contact of the lower moving contact and insulating support of static contact and cartridge fuse, it is molten so as to judge to be changed Whether the length of fiber tube is suitable, if cartridge fuse is long or too short, pressure sensor will send alarm signal to wireless transmitter, If cartridge fuse moderate length, pressure sensor will send safety signal to wireless transmitter.
The fuse is additionally provided with network transmission module, and the wireless transmitter receives alarm signal or safety signal Afterwards, alarm signal or safety signal are directly passed to field personnel by wireless transmitter and wireless transmitter passes through net Network transport module passes to alarm signal the dispatcher in control room, is easy to field personnel to judge whether again molten with changing Fiber tube, after field personnel judges safety, connection line signal can be sent to dispatcher, dispatcher confirms obtained nothing The connection line signal the symbol whether signal of line R-T unit sends with field personnel, both meet, dispatcher's clothes From the order of field personnel, circuit is connected, otherwise keeps circuit off-state.The network transmission module is by wireless network Network, serial ports, Ethernet switch, fiber optic network are formed, and the data that wireless network transmissions receive wireless transmitter transmission pass through Serial ports connects with Ethernet switch, and Ethernet switch connects with fiber optic network, and serial ports turns Ethernet switch and is responsible for connection Optical networking and radio sensing network, by optical networking, by the data transfer of data analysis to server.
Present invention has the advantages that:The present invention sets pressure test module to realize detection cartridge fuse by fuse switch The size of clamping force between " duckbilled ", solve fuse switch and occur to coordinate tension or mistake between cartridge fuse and " duckbilled " The problem of loose, there is the advantages of safe efficient.
Brief description of the drawings
The content expressed by this specification accompanying drawing and the mark in figure are briefly described below:
Fig. 1 is the structure chart of the embodiment of the present invention.
In figure, 1 is mounting bracket, and 2 be porcelain piece, and 3 be cartridge fuse.
Embodiment
Below against accompanying drawing, by the description to embodiment, for example involved each component of embodiment of the invention Shape, construction, the mutual alignment and annexation between each several part, the effect of each several part and operation principle, manufacturing process and Operate with method etc., is described in further detail, to help those skilled in the art to inventive concept of the invention, technology Scheme has more complete, accurate and deep understanding.
As shown in figure 1, a kind of fuse switch, the fuse includes mounting bracket 1, porcelain piece 2, cartridge fuse 3 and " duck The insulating support of mouth " shape, the insulating support both ends are respectively equipped with upper static contact and lower static contact, upper static contact and lower static contact The both ends of porcelain piece 2 are separately positioned on, mounting bracket 1 is arranged on the middle part of porcelain piece 2, and cartridge fuse 3 is fastened on the upper quiet of insulating support Between contact and lower static contact.The both ends of cartridge fuse 3 are respectively equipped with moving contact and lower moving contact, the upper moving contact of the cartridge fuse It is provided with pressure sensor.The upper surface of pressure sensor and the upper surface of upper moving contact are in approximately the same plane, insulation branch The upper static contact of frame is provided with sensing platform.The lower plane of the sensing platform and the lower plane of upper static contact are in same flat In face.The center of pressure sensor upper surface and the center superposition of sensing platform lower plane.The upper moving contact and upper static contact Fastener is respectively arranged with, the pressure sensor and sensing platform are connected with fastener respectively.
The outer surface of the cartridge fuse 3 is additionally provided with the wireless receipts for receiving pressure sensor signal and autonomous transmission signal Transmitting apparatus.
A kind of fuse switch and its method of work, when the electric fuse bad after in cartridge fuse 3, it is necessary to change cartridge fuse 3, After new cartridge fuse 3 is changed, pressure sensor measures pressure value, passes through pressure value with sensing contact with platform, pressure sensor Size come judge the upper moving contact of cartridge fuse 3 and with the upper static contact at insulating support both ends and the lower moving contact of cartridge fuse 3 Pressure value between the lower static contact of insulating support, so as to judge whether the length of changed cartridge fuse 3 is suitable, if fuse Pipe 3 is long or too short, and pressure sensor will send alarm signal to wireless transmitter, if the moderate length of cartridge fuse 3, pressure passes Sensor will send safety signal to wireless transmitter.Understand more for the ease of field personnel and the dispatcher in control room The actual conditions of cartridge fuse 3 are changed, prevent error from causing circuit powered, wireless transmitter receives alarm signal or safety signal Afterwards, alarm signal or safety signal are directly passed to field personnel by wireless transmitter and wireless transmitter passes through net Network transport module passes to alarm signal the dispatcher in control room, is easy to field personnel to judge whether again molten with changing Fiber tube 3, after field personnel judges safety, connection line signal can be sent to dispatcher, dispatcher confirms what is obtained Whether the signal of wireless transmitter meets the connection line signal that field personnel sends, such as wireless transmitter provides Be safety signal, what field personnel sent is to turn on line signal, and both meet, dispatcher obey work on the spot people The order of member, signal is connected, otherwise keep circuit off-state.So considerably increase the security with changing cartridge fuse 3.
The network transmission module is made up of wireless network, serial ports, Ethernet switch, fiber optic network, and wireless network passes The defeated data for receiving wireless transmitter transmission are connected by serial ports with Ethernet switch, Ethernet switch and fiber optic network Connection, serial ports turns Ethernet switch and is responsible for connecting optical networking and radio sensing network, by optical networking, by the number of data analysis According to being transferred to server.
In order to prevent pressure sensor to be broken down by high-voltage damage, the fastener set on the upper moving contact and upper static contact To insulate, good ceramic member makes.
It is simple and more spacious according to fuse using area plot structure, but area is wider, so optimal selection is by nothing Line sensing network (WSN) covers, and the data for the wireless transmitter that radio sensing network node obtains, net is transferred to by WSN Artis, the interchanger that gateway node turns Ethernet by RS232 are connected with optical fiber, so as to realize the seamless company of whole system Connect.Backbone network connects exchange mechanism into network uses tree topology using gigabit single-mode fiber.System monitoring time is less than 30 seconds, data acquisition time, less than 0.01 second.Interchanger realizes the connection of radio sensing network and optical networking, therefore, interchanger Must possess optical fiber and Ethernet double nip, each data analysis module configures a static node and serves as gateway node, net Artis turns ethernet device by wireless network access switch by serial ports.Meanwhile each interchanger can serve as relaying Fiber optic network is set to spread all over whole region.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that present invention specific implementation is not by aforesaid way Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.This hair Bright protection domain should be determined by the scope of protection defined in the claims.

Claims (3)

  1. A kind of 1. fuse switch, it is characterised in that:The fuse includes mounting bracket (1), porcelain piece (2), cartridge fuse (3) With the insulating support of " duckbilled " shape, the insulating support both ends are respectively equipped with upper static contact and lower static contact, and upper static contact is with Static contact is separately positioned on the both ends of porcelain piece (2), and mounting bracket (1) is arranged on the middle part of porcelain piece (2), and cartridge fuse (3) is fastened on Between the upper static contact and lower static contact of insulating support, cartridge fuse (3) both ends are respectively equipped with moving contact and lower moving contact, described The upper moving contact of cartridge fuse is provided with pressure sensor;The upper surface of the pressure sensor and the upper surface of upper moving contact are in In approximately the same plane, sensing platform, the lower plane and upper stationary contact of the sensing platform are additionally provided with the upper static contact of insulating support The lower plane of head is in approximately the same plane;The center of the pressure sensor upper surface and the center weight of sensing platform lower plane Close;The upper moving contact and upper static contact are respectively arranged with fastener, the pressure sensor and sensing platform respectively with fastening Part connects;The fastener set on the upper moving contact and upper static contact makes for the good ceramic member that insulate;The cartridge fuse (3) outer surface is additionally provided with the wireless transmitter for receiving pressure sensor signal and autonomous transmission signal;The drop type The method of work of fuse is:Pressure sensor measures pressure value, passes through pressure value with sensing contact with platform, pressure sensor Size judges the upper moving contact of cartridge fuse (3) and dynamic touched with the lower of the upper static contact at insulating support both ends and cartridge fuse (3) Pressure value between head and the lower static contact of insulating support, so as to judge whether the length of changed cartridge fuse (3) is suitable, if Cartridge fuse (3) is long or too short, and pressure sensor will send alarm signal to wireless transmitter, if cartridge fuse (3) length is fitted In, pressure sensor will send safety signal to wireless transmitter.
  2. 2. fuse switch according to claim 1, it is characterised in that:The fuse is additionally provided with network transmission mould Block, after the wireless transmitter receives alarm signal or safety signal, wireless transmitter is directly by alarm signal or peace Full signal passes to field personnel and alarm signal is passed to control room by wireless transmitter by network transmission module Dispatcher, be easy to field personnel to judge whether again with changing cartridge fuse (3), after field personnel judges safety, Connection line signal can be sent to dispatcher, dispatcher confirm obtained wireless transmitter signal whether with live work The connection line signal sent as personnel meets, and both meet, and dispatcher obeys the order of field personnel, connects line Road, otherwise keep circuit off-state.
  3. 3. fuse switch according to claim 2, it is characterised in that:The network transmission module by wireless network, Serial ports, Ethernet switch, fiber optic network are formed, and the data that wireless network transmissions receive wireless transmitter transmission pass through serial ports Connected with Ethernet switch, Ethernet switch connects with fiber optic network, and serial ports turns Ethernet switch and is responsible for connecting optical fiber Net and radio sensing network, by optical networking, by the data transfer of data analysis to server.
CN201510536048.9A 2015-08-26 2015-08-26 Fuse switch and its method of work Expired - Fee Related CN105206483B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510536048.9A CN105206483B (en) 2015-08-26 2015-08-26 Fuse switch and its method of work

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510536048.9A CN105206483B (en) 2015-08-26 2015-08-26 Fuse switch and its method of work

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CN105206483A CN105206483A (en) 2015-12-30
CN105206483B true CN105206483B (en) 2018-03-16

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957220A (en) * 2018-08-10 2018-12-07 国网江西省电力有限公司赣东北供电分公司 A kind of transmission of fuse switch state and fail analysis device based on Internet of Things

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202633197U (en) * 2011-12-26 2012-12-26 中国电力科学研究院 Sensing unit, fuse tube component and fuse device
CN104139727A (en) * 2013-05-10 2014-11-12 蔡驰宇 Automated bucket loading system
CN204029756U (en) * 2014-09-17 2014-12-17 孙杰华 High voltage drop-out type fuse cutout
FR3013892A1 (en) * 2013-11-28 2015-05-29 Renault Sa DEVICE FOR INTEGRATING AN ELECTRIC FUSE ON AN ELECTRICAL CABLE, ESPECIALLY ON BOARD AN ELECTRIC VEHICLE
CN204946848U (en) * 2015-08-26 2016-01-06 芜湖市凯鑫避雷器有限责任公司 Fuse switch

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202633197U (en) * 2011-12-26 2012-12-26 中国电力科学研究院 Sensing unit, fuse tube component and fuse device
CN104139727A (en) * 2013-05-10 2014-11-12 蔡驰宇 Automated bucket loading system
FR3013892A1 (en) * 2013-11-28 2015-05-29 Renault Sa DEVICE FOR INTEGRATING AN ELECTRIC FUSE ON AN ELECTRICAL CABLE, ESPECIALLY ON BOARD AN ELECTRIC VEHICLE
CN204029756U (en) * 2014-09-17 2014-12-17 孙杰华 High voltage drop-out type fuse cutout
CN204946848U (en) * 2015-08-26 2016-01-06 芜湖市凯鑫避雷器有限责任公司 Fuse switch

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Effective date of registration: 20201125

Address after: 313000 1-C, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province

Patentee after: Huzhou xinbeilian Network Technology Co.,Ltd.

Address before: 241000 South Industry Zone, Changjiang Road, Anhui, Wuhu

Patentee before: WUHU KAIXIN LIGHTNING ARRESTER Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201208

Address after: 455001 southwest corner of intersection of Zhongzhou Road and Wenyuan street, Long'an District, Anyang City, Henan Province

Patentee after: STATE GRID HENAN ELECTRIC POWER COMPANY ANYANG POWER SUPPLY Co.

Address before: 313000 1-C, building 1, No. 656, Qixing Road, high tech Zone, Wuxing District, Huzhou City, Zhejiang Province

Patentee before: Huzhou xinbeilian Network Technology Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180316

Termination date: 20210826