CN100459008C - Vacuum switch with up and low isolations - Google Patents

Vacuum switch with up and low isolations Download PDF

Info

Publication number
CN100459008C
CN100459008C CNB2006100519907A CN200610051990A CN100459008C CN 100459008 C CN100459008 C CN 100459008C CN B2006100519907 A CNB2006100519907 A CN B2006100519907A CN 200610051990 A CN200610051990 A CN 200610051990A CN 100459008 C CN100459008 C CN 100459008C
Authority
CN
China
Prior art keywords
switch
following
isolation
phase
isolating
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
CNB2006100519907A
Other languages
Chinese (zh)
Other versions
CN1885465A (en
Inventor
朱佩龙
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.)
TIANAN (GROUP) CO Ltd NINGBO CITY
Original Assignee
TIANAN (GROUP) CO Ltd NINGBO CITY
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 TIANAN (GROUP) CO Ltd NINGBO CITY filed Critical TIANAN (GROUP) CO Ltd NINGBO CITY
Priority to CNB2006100519907A priority Critical patent/CN100459008C/en
Publication of CN1885465A publication Critical patent/CN1885465A/en
Application granted granted Critical
Publication of CN100459008C publication Critical patent/CN100459008C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The vacuum switch with top and lower isolation comprises: a box, an under frame through-wall fixed three phase insulation sleeves every with three separated cavities, every cavity with a top/lower insulation switch and a breaker vacuum arc-extinguishing room, a top/lower insulation bar to support the isolation brake, and an isolation operation master shaft to switch on of off the brakes through a drive gear I, wherein using the breaker to turn on or off the arc-extinguishing room through a drive gear II. This invention has compact structure, well reliability, and low cost.

Description

The vacuum switch that band is isolated up and down
Technical field
The present invention relates to a kind of High-Voltage Electrical Appliances technology, especially be with the vacuum switch of isolating up and down.
Background technology
Air-insulated Medium Voltage Switchgear type is divided two kinds, and a kind of is fixed, is called for short stationary cabinet, and another kind is a withdraw-type, is called for short the handcart cabinet.The press fit cabinet generally is at circuit breaker two independently isolating switches to be installed respectively into and out of the line both sides at present fixed, be formed by connecting with lead again, isolating switch and circuit breaker all are independent design, or by the different manufacturers supply, because two isolating switches will take very large space, make the middle press fit cabinet that is assembled into by isolating switch and circuit breaker long-pending bigger, and circuit breaker can't extract maintenance, replacing separately out, XGN2, KGN6 etc. are typically arranged in the market.China Patent No. 02256445,4 are called " a kind of novel high-voltage circuit-breaker one isolating switch combined electrical apparatus ", the technical scheme that discloses is that isolating switch and circuit breaker are combined into one, on the three-phase, on the following isolating switch, on following isolation switch carries out, following straight path operation realizes with last, following fixed contact is isolated or conducting, this has reduced to take up room to a certain extent, dwindled volume, but also have following defective: 1. its underframe is installed for vertical, on the three-phase, following isolating switch and breaker vacuum arc control device are directly installed on the underframe, structure is not compact, and is still influential to the volume of cupboard; 2. the upper and lower isolation switch of the upper and lower isolating switch of three-phase is driven by separately insulation axle respectively, has 6 and thoroughly does away with the edge axles, and operated respectively by 2 isolator operation axles, makes the transmission mechanism complexity, and parts are many." all insulation three station high voltage isolators " of China Patent No. 02264091.6 have disclosed the organization plan that a kind of underframe level is installed, and on the underframe that level is installed, fixing the three phase isolated sleeve pipe, this scheme only plays buffer action, the insulating sleeve function is simple, only pass conductive bus bar, can't use as a room that upper and lower isolation knife and vacuum interrupter are installed.
Summary of the invention
Technical problem to be solved by this invention be to overcome the defective of prior art and provide a kind of structure simpler, compacter, take up room littler when cabinet uses and can extract the vacuum switch that band that circuit breaker keeps in repair, changes is isolated up and down separately out joining.
Technical problem of the present invention solves by following technical proposals: the vacuum switch that a kind of band is isolated up and down, it comprises mechanism case and underframe, described underframe is that level is installed, fixing the three phase isolated sleeve pipe on it, the last isolating switch that constitutes three-phase is made up of upper static contact that is installed in insulating base and last isolation switch, following isolating switch is made up of following fixed contact that is installed in down insulating base and following isolation switch, in the realization, on the three-phase of following isolating switch isolation or conducting, following isolation switch is controlled transmission mechanism I by the isolated operation main shaft and is gone up relatively, on following fixed contact carries out, the contact conducting or the isolation of following straight path motion; Controlling transmission mechanism II with the breaker vacuum arc control device of upper and lower isolating switch combination by the breaker operator main shaft realizes dividing, closing a floodgate; The every fixed contact of isolation switch by last transition touch base and last conductive plate and vacuum interrupter of going up mutually electrically contacts, the moving contact of vacuum interrupter by be flexible coupling, lower conducting plate and following transition touch base electrically contact with following isolation switch; It is characterized in that:
The every of a, described three phase isolated sleeve pipe is separated with three cavity volumes in mutually, and three cavity volumes are provided with the last isolating switch of combination, isolating switch and breaker vacuum arc control device down respectively;
Isolation switch is gone up insulation cross bar support and fixing by one on b, the described three-phase, and isolation switch is by a following insulation cross bar support and fixing under the three-phase.
Described transmission mechanism I comprises the chain wheel pair that is symmetricly set on isolated operation main shaft two ends, the output sprocket shaft is provided with synchronous rotating gear with it, this gear and a pair of rack-plate engagement of operation in opposite directions, the upper and lower end of a pair of rack-plate fixes with last insulation cross bar and following insulation cross bar respectively, and makes locking phase to operation under the guiding mechanism guiding.
Described guiding mechanism comprises a pair roller that is fixed on the rack-plate of both sides, and this roller slides and is fitted in the gathering sill of underframe side plate and mechanism case interior plate.
Described transmission mechanism II comprises the connecting lever that is connected on the breaker operator main shaft, this connecting lever with in establish excess of stroke spring insulated tension pole, fairlead, connecting lever, guide post be hinged and connected step by step, guide post is connected with moving contact.
The present invention compared with prior art, the base plate of level installation and the three phase isolated sleeve pipe that wall-penetrating type is installed have been adopted, every phase insulating sleeve has three cavity volumes, in each cavity volume aggregate erection upper and lower isolating switch and breaker vacuum arc control device, make the three integrated, simultaneously, isolation switch and following isolation switch are only supported respectively by upward insulate a cross bar and a following insulation cross bar on the three-phase, and make upper and lower isolating switch finish conducting or isolation simultaneously by an isolated operation main shaft.The invention has the advantages that to make structure simpler, compacter, parts reduce, help reducing cost, improve reliability, be combined in when using in the switch cubicle, the volume that more seems is little, it is little to take up room, when circuit breaker is in isolation at upper and lower isolating switch, can independently extract out as drawer and repair or replace, distinguish bus-bar room, breaker chamber, three functional units in cable vault and need not complicated connection bus.
Description of drawings
Fig. 1 is perspective view of the present invention (having hidden upper and lower insulating base and upper and lower fixed contact).
Fig. 2 is a gate-dividing state cutaway view of the present invention (only showing a phase).
Fig. 3 is the upper and lower isolating switch "on" position of the present invention cutaway view (only shows a phase and comprise transmission mechanism II).
Fig. 4 is three-dimensional structure diagram of the present invention (only shows a phase and comprise transmission mechanism I).
Fig. 5 is applied to the switch cubicle layout for the present invention.
Embodiment
Embodiment is described in detail the present invention again below in conjunction with accompanying drawing.
Shown in Fig. 1~5, the vacuum switch that band is isolated up and down, it comprises mechanism case 8 and the underframe 1 that fixes, and establishes two power sources in the mechanism case, drives isolated operation main shaft 32 and breaker operator main shaft 18 respectively.Underframe 1 is level to be installed, and the side plate of its end and mechanism case interior plate are perpendicular and be fixed with one.Fixing the three phase isolated sleeve pipe 5 that wall-penetrating type is installed on the underframe, every three cavity volumes, three cavity volumes are provided with the last isolating switch of combination, following isolating switch and breaker vacuum arc control device 16 respectively in every phase insulating sleeve.
Last isolating switch is made up of the upper static contact 12 and the last isolation switch 7 that are installed on the insulating base 11; Following isolating switch is made up of the following fixed contact 27 and the following isolation switch 10 that are installed in down in the insulating base 28.Realize upper and lower isolating switch conducting or isolate controlling, drive the upper and lower relatively fixed contact of the upper and lower isolation switch of three-phase through transmission mechanism I and carry out upper and lower straight path motion and contact conducting or isolation by an isolated operation main shaft 32.Isolation switch 7 is gone up insulation cross bar 6 supports and fixing by one on the three-phase; Isolation switch 10 is by following insulation cross bar 9 supports and fixing under the three-phase.
Form by fixed contact 15 and moving contact 23 with the breaker vacuum arc control device 16 of upper and lower isolating switch combination, drive, drive branch, the combined floodgate of dynamic and static contact through transmission mechanism II by breaker operator main shaft 18.
Every last isolation switch 7 of going up isolating switch mutually electrically contacts all the time by last transition touch base 13 and last conductive plate 14 fixed contact 15 with vacuum interrupter, the moving contact 23 of vacuum interrupter by be flexible coupling 25, lower conducting plate 26 and following transition touch base 29 electrically contact with following isolation switch 10 all the time.
Described transmission mechanism I as shown in Figure 4, comprise the chain wheel pair of forming by sprocket wheel and chain 31 that is symmetricly set on isolated operation main shaft 32 two ends, on the output sprocket shaft, be provided with synchronous rotating gear 30 with it, this gear is a pair of rack-plate 2 engagement of guiding with the guiding mechanism with operation in opposite directions, on a pair of rack-plate, the lower end fixes with last insulation cross bar 6 and following insulation cross bar 9 ends respectively, the operation in opposite directions of a pair of rack-plate drives upward insulate cross bar and following insulation cross bar locking phase to operation, and then drive to go up isolation switch and following isolation switch and insert upper static contact and following fixed contact respectively and conducting, otherwise isolation.Described guiding mechanism comprises a pair roller 4 that is fixed on the both sides rack-plate 2, and this roller slides in the gathering sill 3 that is fitted in underframe side plate and mechanism case interior plate and leads along the gathering sill slippage.
Described transmission mechanism II as shown in Figure 2, comprise the connecting lever 17 of solid welding on breaker operator main shaft 18, this connecting lever with in establish excess of stroke spring 20 insulated tension pole 19, fairlead 21, connecting lever 22, guide post 24 be hinged and connected step by step, guide post is connected with moving contact 23.
When switching circuit needs conducting to close a floodgate, drive the isolated operation main shaft by the mechanism case internally-powered earlier, the upper and lower isolation switch of upper and lower isolating switch is inserted in the upper and lower fixed contact.As shown in Figure 3, isolating switch is in the combined floodgate conducting state, at this moment, when the breaker vacuum arc extinguishing closes a floodgate, electric current by upper static contact 12, go up isolation switch 7, go up transition touch base 13, go up conductive plate 14, fixed contact 15, moving contact 23, be flexible coupling 25, lower conducting plate 26, down transition touch base 29, down isolation switch 10, fixed contact 27 forms the circuit output current down.
When switching circuit need be isolated separating brake, reversible control isolated operation main shaft made upper and lower isolation switch break away from upper and lower fixed contact, and circuit promptly is in the isolation gate-dividing state, as shown in Figure 2.
When the present invention is applied to switch cubicle, naturally form three functional areas in upper, middle and lower: bus-bar room 33, breaker chamber 34, cable vault 35, as shown in Figure 5, simplified the connection bus of each functional unit greatly, behind upper and lower isolating switch separating brake, whole circuit breaker can be extracted maintenance out, change.

Claims (4)

1, the vacuum switch that a kind of band is isolated up and down, it comprises mechanism case (8) and underframe (1), described underframe (1) is installed for level, fixing three phase isolated sleeve pipe (5) on it, the last isolating switch that constitutes three-phase is made up of upper static contact that is installed in insulating base (11) (12) and last isolation switch (7), following isolating switch is made up of following fixed contact (27) that is installed in down insulating base (28) and following isolation switch (10), in the realization, on the three-phase of following isolating switch isolation or conducting, following isolation switch is controlled transmission mechanism I by isolated operation main shaft (32) and is gone up relatively, on following fixed contact carries out, the contact conducting or the isolation of following straight path motion; Controlling transmission mechanism II with the breaker vacuum arc control device (16) of upper and lower isolating switch combination by breaker operator main shaft (18) realizes dividing, closing a floodgate; Every isolation switch (7) of going up mutually electrically contacts by last transition touch base (13) and last conductive plate (14) fixed contact (15) with vacuum interrupter, and the moving contact of vacuum interrupter (23) electrically contacts by be flexible coupling (25), lower conducting plate (26) and following transition touch base (29) and following isolation switch (10); It is characterized in that:
The every of a, described three phase isolated sleeve pipe (5) is separated with three cavity volumes in mutually, and three cavity volumes are provided with the last isolating switch of combination, isolating switch and breaker vacuum arc control device down respectively;
Isolation switch (7) is gone up insulation cross bar (6) support and fixing by one on b, the described three-phase, and isolation switch under the three-phase (10) is supported by a following insulation cross bar (9) and be fixing.
2, the band according to claim 1 vacuum switch of isolating up and down, it is characterized in that described transmission mechanism I comprises the chain wheel pair (31) that is symmetricly set on isolated operation main shaft (32) two ends, the output sprocket shaft is provided with synchronous rotating gear (30) with it, this gear meshes with a pair of rack-plate (2) of operation in opposite directions, the upper and lower end of a pair of rack-plate (2) fixes with last insulation cross bar (6) and following insulation cross bar (9) respectively, and makes locking phase to operation under the guiding mechanism guiding.
3, the band according to claim 2 vacuum switch of isolating up and down, it is characterized in that described guiding mechanism comprises a pair roller (4) that is fixed on the both sides rack-plate (2), this roller slides and is fitted in the gathering sill (3) of underframe side plate and mechanism case interior plate.
4, the band according to claim 1 vacuum switch of isolating up and down, it is characterized in that described transmission mechanism II comprises first connecting lever (17) that is connected on the breaker operator main shaft (18), this connecting lever with in establish excess of stroke spring (20) the anti-bar of insulation (19), fairlead (21), second connecting lever (22), guide post (24) be hinged and connected step by step, guide post (24) is connected with moving contact (23).
CNB2006100519907A 2006-06-12 2006-06-12 Vacuum switch with up and low isolations Expired - Fee Related CN100459008C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2006100519907A CN100459008C (en) 2006-06-12 2006-06-12 Vacuum switch with up and low isolations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2006100519907A CN100459008C (en) 2006-06-12 2006-06-12 Vacuum switch with up and low isolations

Publications (2)

Publication Number Publication Date
CN1885465A CN1885465A (en) 2006-12-27
CN100459008C true CN100459008C (en) 2009-02-04

Family

ID=37583567

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2006100519907A Expired - Fee Related CN100459008C (en) 2006-06-12 2006-06-12 Vacuum switch with up and low isolations

Country Status (1)

Country Link
CN (1) CN100459008C (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102623219A (en) * 2012-04-23 2012-08-01 苏州朗格电气有限公司 Disconnecting switch and vacuum circuit breaker composite system
CN103681098B (en) * 2013-11-30 2016-07-06 国家电网公司 A kind of with isolating the chopper of station and using the switch cubicle of this chopper
CN105590801A (en) * 2014-10-23 2016-05-18 苏州市吴中区欣鑫开关配件厂 Breaker welded crank arm
CN105374610B (en) * 2015-12-21 2017-11-24 华仪电气股份有限公司 A kind of disconnecting switch
CN105390332B (en) * 2015-12-21 2017-09-08 华仪电气股份有限公司 A kind of high-pressure vacuum breaker with isolation features
CN105428150B (en) * 2015-12-21 2017-11-21 华仪电气股份有限公司 A kind of two-way propulsion disconnecting switch
CN105870826B (en) * 2016-06-14 2017-11-17 河北箱变电器有限公司 A kind of drawer type vacuum high-voltage switch cabinet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2259706Y (en) * 1996-03-08 1997-08-13 谷爱鑫 Low-voltage distribution line isolation switch box
JP2001014988A (en) * 1999-06-30 2001-01-19 Toshiba Corp Vacuum circuit breaker and metal enclosed type switch gear
CN2569325Y (en) * 2002-09-02 2003-08-27 史用鼎 Full insulation three work station high voltage isolation switch
CN1487546A (en) * 2002-09-30 2004-04-07 唐嘉隆 High-voltage breaker-isolating switch combination electric device
CN2916908Y (en) * 2006-06-12 2007-06-27 宁波天安(集团)股份有限公司 Vacuum switch with upper and lower isolating structures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2259706Y (en) * 1996-03-08 1997-08-13 谷爱鑫 Low-voltage distribution line isolation switch box
JP2001014988A (en) * 1999-06-30 2001-01-19 Toshiba Corp Vacuum circuit breaker and metal enclosed type switch gear
CN2569325Y (en) * 2002-09-02 2003-08-27 史用鼎 Full insulation three work station high voltage isolation switch
CN1487546A (en) * 2002-09-30 2004-04-07 唐嘉隆 High-voltage breaker-isolating switch combination electric device
CN2916908Y (en) * 2006-06-12 2007-06-27 宁波天安(集团)股份有限公司 Vacuum switch with upper and lower isolating structures

Also Published As

Publication number Publication date
CN1885465A (en) 2006-12-27

Similar Documents

Publication Publication Date Title
CN100459008C (en) Vacuum switch with up and low isolations
JP4597753B2 (en) Gas insulated switchgear device
CN201498869U (en) Vacuum ring main unit
CN104183417B (en) The insulated type Combined-type high-voltage conversion switch that switching time is shorter
CN2916908Y (en) Vacuum switch with upper and lower isolating structures
CN201829815U (en) Small intelligent vacuum ring-network cabinet
CN102714401A (en) Medium voltage air insulated switchgear
CN202268608U (en) Solid seal full-vacuum switching device
CN111599634A (en) Three-station isolating switch and working method thereof
CN201298670Y (en) Enclosed double-bus bar switch device
CN104810197A (en) Compact-structure high-voltage power source rapid switching high-voltage switch
CN104201046B (en) Combined high-voltage change-over switch with short switching time
CN201061096Y (en) Movable metal closed switch device
CN2916905Y (en) Indoor medium voltage isolating switch
CN100495616C (en) Switch device of parallel connection vacuum arc extinguishing chamber
CN214153745U (en) Miniaturized double-bus switch equipment
CN215342414U (en) Combined type isolating switch connecting structure
CN208093429U (en) Breaker
CN205811401U (en) A kind of solid insulation high pressure vacuum distribution switchgear
CN212257266U (en) Three-position isolating switch
CN202134455U (en) Combined type high voltage change-over switch
CN210296215U (en) Permanent magnet vacuum circuit breaker and gas-filled cabinet
CN109494605B (en) Device with double main bus isolation function
CN201655655U (en) Vacuum circuit breaker with longitudinally-arranged three phases
CN2916909Y (en) Switching device for parallel vacuum arc-extinguishing chamber

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090204

Termination date: 20130612