CN100461567C - Small size vacuum loading switch cabinet - Google Patents

Small size vacuum loading switch cabinet Download PDF

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Publication number
CN100461567C
CN100461567C CNB2005100461738A CN200510046173A CN100461567C CN 100461567 C CN100461567 C CN 100461567C CN B2005100461738 A CNB2005100461738 A CN B2005100461738A CN 200510046173 A CN200510046173 A CN 200510046173A CN 100461567 C CN100461567 C CN 100461567C
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CN
China
Prior art keywords
isolating switch
connecting lever
cabinet
vacuum
hinged
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Expired - Fee Related
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CNB2005100461738A
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Chinese (zh)
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CN1848571A (en
Inventor
朱书明
冯文伶
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Shenyang Haocheng Electrical Equipment Co., Ltd.
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WUCHENG ELECTRIC EQUIPMENT CO Ltd SHENYANG
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Priority to CNB2005100461738A priority Critical patent/CN100461567C/en
Publication of CN1848571A publication Critical patent/CN1848571A/en
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Publication of CN100461567C publication Critical patent/CN100461567C/en
Expired - Fee Related legal-status Critical Current
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  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

A small size of vacuum load switch cabined is prepared as fixing isolation plate horizontally in cabinet and fixing three vacuum arc-extinguishing chambers in three insulation covers separately, fixing three insulation covers separately in three insulation holes arranged in line on isolation plate for forming an integrated body with cabinet.

Description

Small size vacuum loading switch cabinet
(1) technical field
The present invention relates to a kind of switch cubicle, particularly relate to a kind of small size vacuum loading switch and be switch cubicle upper unit independently.
(2) background technology
Vacuum load switch is the key equipment of distribution and ring network power supply.The a large amount of applied load switches of developed countries are as terminal protection equipment.In the past use breaker protection in China always, cause cost performance very unreasonable, the developed countries on-load switch is 7: 1 with the ratio of circuit breaker.At present China's on-load switch is about 1: 1 with the ratio of circuit breaker, needs also that active development is rational in infrastructure, the vacuum load switch of dependable performance.Particularly the vacuum load switch body of producing both at home and abroad at present is designed to independently unit original paper, and independently vacuum load switch is contained in the switch cubicle again, makes whole switch cubicle overall dimension big, and complex structure, and maintenance is inconvenient, has hidden danger on electric.
(3) summary of the invention
The technical problem to be solved in the present invention provides a kind of simple in structure, maintenance is convenient, security performance is high, volume is little integrated small vacuum loading switch cabinet.
Small size vacuum loading switch cabinet, its technical essential are that vacuum load switch and switch cabinet are assembled into an overall structure.What specifically comprise switch cabinet, three vacuum interrupters, three isolating switch divide-shut brake conductive components, three vacuum interrupters closes, divides operating mechanism, three isolating switch blade driving mechanisms and three insulating covers.The upper and lower end of three insulating covers is an openend.Laterally be installed with dividing plate in the switch cabinet, this dividing plate is separated into upper space and lower space with the cabinet inner space.Upper space is the main bus bar chamber.The top of lower space is switch actuated element chamber, and the bottom of lower space is the cable vault.Three insulating cover through holes are arranged on the dividing plate.Word order is fixed with three insulators on the roof of cabinet, is fixed with three-phase bus and quiet tool rest respectively three insulator lower ends, constitutes the galvanic circle.Three insulating covers pass three insulating cover through holes respectively from the switch actuated element is indoor, and it is indoor to make three insulating cover tops be positioned at main bus bar.Three insulating covers are separately fixed on the dividing plate.Three vacuum interrupters are installed in three insulating cover internal upper parts respectively, and are separately fixed on the corresponding with it insulating cover.
Three isolating switch divide-shut brake conductive components, structurally identical, comprise the quiet end seat of isolating switch blade and isolation knife.The quiet end seat of isolation knife lower end is connected with the quiet end of vacuum interrupter, and its upper end is hinged with isolation blade lower end.The upper end of isolating switch blade and the quiet tool rest contact that is connected with main bus bar during "on" position.Isolating switch blade driving mechanism comprises insulated tension pole, rotating shaft and connecting lever.Connecting lever one end is fixedlyed connected with rotating shaft, and an end of the other end and insulated tension pole is hinged, and the other end of insulated tension pole and isolating switch blade are hinged.The rotating shaft two ends are supported by two axle beds that are fixed on the dividing plate upper surface respectively.Three vacuum interrupters to close the branch operating mechanism structurally identical, be set up in parallel at the switch actuated element indoor.Each vacuum interrupter close the branch operating mechanism, comprise on-load switch three-phase main shaft, main shaft connecting lever, insulated tension pole and conducting rod connecting lever.The two ends of on-load switch three-phase main shaft are supported by two axle beds that are fixed on the dividing plate lower surface respectively.Main shaft connecting lever one end is fixed on the on-load switch three-phase main shaft, one end of the other end and insulated tension pole is hinged, and the other end of insulated tension pole and conducting rod connecting lever are hinged, and the conducting rod connecting lever is arranged in the insulating cover, the conducting rod connecting lever is fixed on the insulating cover by bearing pin, and insulating cover is the fixing point of connecting lever.Slide block on the other end of conducting rod connecting lever and the moving conductive rod of vacuum interrupter is hinged.On the moving conductive rod that is positioned at slide block top, be set with the contact pressure spring.The moved end electrically conducting manner of on-load switch arc control device is different with traditional electrically conducting manner, adopts copper to be flexible coupling contact to compress with arc control device moving conductive rod end face, and the traditional connected mode of the conductive clip that goes to disappear, very simple and reliable.The other end that copper is flexible coupling is installed on the insulating cover, can be connected with fuse base or busbar easily, forms the galvanic circle.
Rotating shaft and main shaft can be manually or electric operating.
In the cable vault, be equiped with primary elements such as comprising current transformer, fuse, earthed switch, lightning arrester.
Small size vacuum loading switch cabinet can be made into the branch body structure and forms, and promptly is designed to independently upper unit and lower unit.The upper unit seat is located at the upper end of lower unit, and the cabinet of upper unit is connected by bolt with the cabinet of lower unit, the switch cabinet.Upper unit is vacuum load switch and main bus bar chamber and switch element Transmission Room.Lower unit is the cable vault, and the lower unit height can be expanded arbitrarily.
After the vacuum load switch assembling is finished, just finished the main device of cabinet, after having broken through traditional elder generation loading switch cabinet being completed, reinstall the version of vacuum load switch, but have volume little, save advantages such as raw material, connecting-disconnecting function are big, safe and reliable, long service life frequent operation, few maintenance.The present invention has tangible isolation fracture, can be equipped with ground connection cutter and electric spring mechanism with making capability, can Long-distance Control.
(4) description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present invention.
Fig. 2 is the left view of Fig. 1.
(5) embodiment
Small size vacuum loading switch cabinet comprises that cabinet 1, three vacuum interrupters 2, three isolating switch divide-shut brake conductive components, three vacuum interrupters close branch operating mechanism and three insulating covers 3.Crosswise fixed has dividing plate 4 in the cabinet 1, and dividing plate 4 is separated into upper space 5 and lower space with cabinet 1 inner space.Upper space 5 is the main bus bar chamber.The top of lower space is switch element Transmission Room 6, and the bottom of lower space is cable vault 20.Be arranged with three insulating cover through holes 7 on the dividing plate 4.Word order is fixed with three insulators 8 on the roof of cabinet 1, is fixed with respectively on the quiet tool rest 21 of 21, three isolation knife of the quiet tool rest of isolation knife in the lower end of three insulators 8 and is fixed with three-phase bus 9 respectively.Three insulating covers 3 are structurally identical, and in switch element Transmission Room 6 its top stretched in the main bus bar chamber 5 respectively from three insulating cover through holes 7, and three insulating covers 3 are separately fixed on the dividing plate 4.Three vacuum interrupters 2 are installed in the top in three insulating covers 3 respectively, and fixedly connected with corresponding insulating cover respectively.Three isolating switch divide-shut brake conductive components are structurally identical, and it is indoor to be arranged on main bus bar.Isolating switch divide-shut brake conductive component comprises isolating switch blade 10 and quiet end seat 22, and the lower end of quiet end seat 22 connects with the quiet end of corresponding vacuum interrupter 2, and the upper end of quiet end seat 22 is hinged with corresponding isolating switch blade 10.Three isolating switch blades 10 are when "on" position, respectively with quiet tool rest 21 contacts of corresponding isolation knife.Three isolating switch blade driving mechanisms are structurally identical, include insulated tension pole 12, rotating shaft 13 and connecting lever 14.Connecting lever 14 1 end solid weldings are in rotating shaft 13, and an end of the other end of connecting lever 14 and insulated tension pole 12 is hinged, and the other end of insulated tension pole 12 and isolating switch blade 10 are hinged.Two ends of rotating shaft 13 are supported by two axle beds 11 on the upper surface that is fixed on dividing plate 4 respectively.Three vacuum interrupters to close the branch operating mechanism structurally identical, be separately positioned in the switch element Transmission Room 6, each vacuum interrupter closes the branch operating mechanism, comprises main shaft 15, main shaft connecting lever 16, insulated tension pole 17, conducting rod connecting lever 18.One end of main shaft connecting lever 16 is fixed on the main shaft 15, one end of the other end and insulated tension pole 17 is hinged, the other end of insulated tension pole 17 is hinged with an end that is arranged on the conducting rod connecting lever 18 of bottom in the insulating cover 3, conducting rod connecting lever 18 connects by bearing pin and insulating cover 3, slide block 23 on the other end of conducting rod connecting lever 18 and the moving conductive rod of vacuum interrupter 19 is hinged, a be flexible coupling end of 24 of copper is sleeved on the moving conductive rod 19, and by the nut back of the body tightly on moving conductive rod 19.Be flexible coupling 24 the other end of copper is fixed on the insulating cover 3.Above being positioned at slide block 23 on the moving conductive rod 19, be set with contact pressure spring 25.The two ends of main shaft 15 are supported by two axle beds that are fixed on dividing plate 4 lower surfaces respectively.Owing in upper end of slide block the contact pressure spring is housed, the combined floodgate rear spring is compressed, and the distance between motion block lower end and the nut is an overtravel.Under the situation that guarantees the spring amount of being compressed, whole adjustment is very succinct, convenient.
When the on-load switch closing position, the main shaft connecting lever 16 on the main shaft 15 is 170 with insulated tension pole 17 center connecting line angles 0, making that contact pressure is very little to the bending moment that the three-phase main shaft produces when closing a floodgate, mechanism's output work is little, and is laborsaving during the manpower energy storage.
Above-mentioned cabinet 1 can be designed to split formula structure, is is promptly connected and composed by bolt by last cabinet 26 and lower cabinet body 27.

Claims (2)

1. small size vacuum loading switch cabinet, comprise that cabinet (1), three vacuum interrupters (2), three isolating switch divide-shut brake conductive components, three isolating switch blade driving mechanisms, three vacuum interrupters close branch operating mechanism and three insulating covers (3), laterally be installed with dividing plate (4) in the cabinet (1), it is characterized in that three vacuum interrupters (2) are installed in respectively in three insulating covers (3), three insulating cover through holes (7) that this three insulating covers (3) middle part is installed in the last word order of dividing plate (4) are respectively located, with cabinet (1) structure in aggregates.
2. small size vacuum loading switch cabinet according to claim 1, it is characterized in that: word order is fixed with three insulators (8) on the roof of cabinet (1), be fixed with three quiet tool rests of isolation knife (21) respectively in the lower end of three insulators (8), be fixed with three-phase bus (9) on three quiet tool rests of isolation knife (21) respectively; Three isolating switch divide-shut brake conductive components and three isolating switch blade driving mechanisms are installed in respectively in the main bus bar chamber (5), and corresponding with three vacuum interrupters (2) respectively; Isolating switch divide-shut brake conductive component, comprise isolating switch blade (10) and quiet end seat (22), the lower end of quiet end seat (22) connects with the quiet end of corresponding vacuum interrupter (2), the upper end of quiet end seat (22) is hinged with corresponding isolating switch blade (10), and isolating switch blade (10) can contact with the quiet tool rest of isolation knife (21); Isolating switch blade driving mechanism, comprise insulated tension pole (12), rotating shaft (13) and connecting lever (14), connecting lever (14) one ends are fixed in the rotating shaft (13), one end of the other end and insulated tension pole (12) is hinged, the other end of insulated tension pole (12) and isolating switch blade (10) are hinged, and two ends of rotating shaft (13) are supported by two axle beds (11) on the upper surface that is fixed on dividing plate (4) respectively; Three vacuum interrupters close the branch operating mechanism and are installed in respectively in the switch element Transmission Room (6), vacuum interrupter closes the branch operating mechanism, comprise main shaft (15), main shaft connecting lever (16), insulated tension pole (17), conducting rod connecting lever (18), one end of main shaft connecting lever (16) is fixed on the main shaft (15), one end of the other end and insulated tension pole (17) is hinged, the other end of insulated tension pole (17) is hinged with an end of the conducting rod connecting lever (18) that is arranged on the interior bottom of insulating cover (3), conducting rod connecting lever (18) connects by bearing pin and insulating cover (3), and the slide block (23) on the moving conductive rod (19) of the other end of conducting rod connecting lever (18) and vacuum interrupter is hinged.
CNB2005100461738A 2005-04-04 2005-04-04 Small size vacuum loading switch cabinet Expired - Fee Related CN100461567C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100461738A CN100461567C (en) 2005-04-04 2005-04-04 Small size vacuum loading switch cabinet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100461738A CN100461567C (en) 2005-04-04 2005-04-04 Small size vacuum loading switch cabinet

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CN1848571A CN1848571A (en) 2006-10-18
CN100461567C true CN100461567C (en) 2009-02-11

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102332688A (en) * 2010-07-14 2012-01-25 沈阳昊诚电气股份有限公司 24kV small-sized vacuum load switch (circuit breaker) cabinet
CN109687338B (en) * 2019-03-07 2024-01-30 广西银河迪康电气有限公司 Heavy-current inflatable high-voltage switch cabinet

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033942U (en) * 1988-07-15 1989-03-08 锦州新生开关厂 Vacuum circuit breaker
JPH05227618A (en) * 1992-02-18 1993-09-03 Toshiba Corp Metallic closed switch gear
CN2269634Y (en) * 1995-12-22 1997-12-03 沈阳高低压电器设备厂 Novel high voltage vacuum circuit breaker
US5929410A (en) * 1998-01-26 1999-07-27 Lg Industrial Systems Co., Ltd. Terminal structure for vacuum circuit breaker
CN2686078Y (en) * 2004-03-02 2005-03-16 广州东芝白云电器设备有限公司 Side mounting indoor high-voltage vacuum circuit breaker
CN1599166A (en) * 2003-09-19 2005-03-23 厦门协成实业有限公司 Fixed vacuum breaker switch cabinet
CN2817141Y (en) * 2005-04-04 2006-09-13 沈阳昊诚电气设备有限公司 Small-sized vacuum load switch cabinet

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2033942U (en) * 1988-07-15 1989-03-08 锦州新生开关厂 Vacuum circuit breaker
JPH05227618A (en) * 1992-02-18 1993-09-03 Toshiba Corp Metallic closed switch gear
CN2269634Y (en) * 1995-12-22 1997-12-03 沈阳高低压电器设备厂 Novel high voltage vacuum circuit breaker
US5929410A (en) * 1998-01-26 1999-07-27 Lg Industrial Systems Co., Ltd. Terminal structure for vacuum circuit breaker
CN1599166A (en) * 2003-09-19 2005-03-23 厦门协成实业有限公司 Fixed vacuum breaker switch cabinet
CN2686078Y (en) * 2004-03-02 2005-03-16 广州东芝白云电器设备有限公司 Side mounting indoor high-voltage vacuum circuit breaker
CN2817141Y (en) * 2005-04-04 2006-09-13 沈阳昊诚电气设备有限公司 Small-sized vacuum load switch cabinet

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Owner name: SHENYANG HAOCHENG ELECTRICAL TECHNOLOGY CO., LTD.

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Address after: Shenyang City Dongling District Liaoning province river Fort Street No. 158 4 floor

Patentee after: Shenyang Haocen Electric Power Technology Co., Ltd.

Address before: Liaoning Province, Shenyang Hunnan New District No. 158 South Street Hunhe River Fort

Patentee before: Wucheng Electric Equipment Co., Ltd., Shenyang

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Owner name: SHENYANG HAOCEN ELECTRIC CO., LTD.

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Free format text: CORRECT: ADDRESS; FROM: 110167 4/F, NO.158, HUNHEBAO STREET, DONGLING DISTRICT, SHENYANG CITY, LIAONING PROVINCE TO: 110027 NO.12-A-3, KAIFA ROAD, SHENYANG ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE, SHENYANG CITY, LIAONING PROVINCE

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Patentee after: Shenyang Haocheng Electric Co., Ltd.

Address before: Shenyang City Dongling District in Liaoning province 110167 River 158 Fort Street 4 floor

Patentee before: Shenyang Haocen Electric Power Technology Co., Ltd.

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CP01 Change in the name or title of a patent holder

Address after: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone

Patentee after: Shenyang Haocheng Electrical Equipment Co., Ltd.

Address before: 110027 Shenyang economic and Technological Development Zone, Liaoning Province, No. 1, No. 12, No. 1, development road, Shenyang economic and Technological Development Zone

Patentee before: Shenyang Haocheng Electric Co., Ltd.

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