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CN206331958U - Double-fracture disconnecting switch module - Google Patents

Double-fracture disconnecting switch module Download PDF

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Publication number
CN206331958U
CN206331958U CN201621232690.4U CN201621232690U CN206331958U CN 206331958 U CN206331958 U CN 206331958U CN 201621232690 U CN201621232690 U CN 201621232690U CN 206331958 U CN206331958 U CN 206331958U
Authority
CN
China
Prior art keywords
double
fracture
movable contact
pair
contact block
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.)
Active
Application number
CN201621232690.4U
Other languages
Chinese (zh)
Inventor
庞准
张长虹
吕金壮
王剑坤
黎卫国
李万民
张治国
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.)
Maintenance and Test Center of Extra High Voltage Power Transmission Co
Original Assignee
Maintenance and Test Center of Extra High Voltage Power Transmission Co
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 Maintenance and Test Center of Extra High Voltage Power Transmission Co filed Critical Maintenance and Test Center of Extra High Voltage Power Transmission Co
Priority to CN201621232690.4U priority Critical patent/CN206331958U/en
Priority to JP2018600158U priority patent/JP3221535U/en
Priority to PCT/CN2017/080206 priority patent/WO2018090549A1/en
Application granted granted Critical
Publication of CN206331958U publication Critical patent/CN206331958U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00Mechanisms for operating contacts
    • H01H3/32Driving mechanisms, i.e. for transmitting driving force to the contacts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/04Interlocking mechanisms
    • H01H31/10Interlocking mechanisms for interlocking two or more switches

Landscapes

  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

Provided with the n closed cavitys being sequentially communicated in double-fracture disconnecting switch module, including housing, double-fracture switching device, drive mechanism, housing, one group of double-fracture switching device, one group of drive mechanism are equipped with each cavity;Double-fracture switching device includes movable contact block, a pair of moving contacts and a pair of static contacts;Movable contact block is located at the middle part of cavity;A pair of static contacts are respectively provided at the relative both sides of movable contact block;A pair of moving contacts are located inside movable contact block and can stretch out movable contact block from relative direction and are engaged with corresponding static contact, and a pair of moving contacts act synchronous linear reciprocating motion by drive mechanism band, contact or while separate simultaneously with static contact;A pair of moving contact mutual conductions;Double-fracture switching device in each cavity realizes synchroswitching or separating brake by drive mechanism.Advantage is that double-fracture disconnecting switch module uses three-phase ganged mechanical transmission structure, stable transmission, reliability.

Description

Double-fracture disconnecting switch module
Technical field
The utility model is related to the apparatus field of current conversion station/transformer station of 220kV and above, more specifically Say, be related to double-fracture disconnecting switch module.
Background technology
Disconnecting switch (is commonly called as " disconnecting link "), the generally referred to as isolation of high voltage isolator, i.e. rated voltage in more than 1kV Switch, often referred to simply as disconnecting switch, be in high-voltage switch electric appliance using a kind of most electrical equipment, the operation principle of itself and It is relatively simple for structure, but be due to that usage amount is big, functional reliability requires high, to electric substation, the design of power plant, sets up and safety The influence of operation is larger.Disconnecting switch is mainly characterized by no arc extinguishing ability, can only divide in the case of no load current, Close circuit.Disconnecting switch is used for each step voltage, and as changing circuit connection or making circuit or equipment and isolated from power, it does not break Stream ability, is operated again after can only first circuit be disconnected with miscellaneous equipment.The general connection with maloperation when preventing from switching on-load Locking device, it is sometimes desirable to which pin switchs to prevent from disconnecting under the magneticaction of big failure.
But the development of the progress and national economy with power technology, GIS products are commercially accounted for by self structure Ground area is small, and operation troubles rate is low, lightweight, non-maintaining etc., and a series of advantages are more and more applied.
It is standby to expand at present from the point of view of domestic and international major main flow GIS device producers extend the design of structure for standby spacing Interval and only one of which isolation fracture in the middle of operation bus are built, therefore installs and joins resistance in progress GIS standby spacings enlarging It is both needed to carry out power failure processing to original operation bus during pressure experiment, it is to avoid the person that isolation fracture discharge breakdown is caused during abutting joint Injury, while preventing that isolation fracture two ends are reversely superimposed the equipment safety accident that overvoltage guiding discharge punctures during commissioning test Occur.For run unit, coordinate substation bus bar have a power failure mean the delay of project progress, the waste of manpower and materials with And the direct or indirect economic loss brought that has a power failure.As roughly estimated, for a 500kV transformer station, have a power failure one day straight Connect economic loss up to millions of members more than, more have some transformer stations, due to the particularity of upstream and downstream client, such as large-scale smelter Factory, important department of government bodies etc., cause the difficulty for coordinating bus power failure high, have a strong impact on putting into operation the time for engineering, indirectly Cause huge economic loss.Therefore at project bid initial stage, many owners in GIS technical specifications clearly:GIS Standby spacing design need to meet the not requirement of constantly running bus during GIS is extended in the later stage.
The single break disconnecting switch module (DS used on traditional GIS:Disconnector Switch) will not fit into The demand of present industrial.
To sum up, do not stop the demand that bus has a power failure when the enlarging installation of GIS intervals and handing-over pressure test to meet, be badly in need of design A kind of new disconnecting switch module, realize enlarging during and handing-over pressure test when original GIS operational outfits be not required to stop Safe and stable, reliable switch module is provided in electric process, to meet the demand for the enlarging that do not have a power failure to GIS intervals.
Utility model content
The purpose of this utility model be overcome the shortcoming of above-mentioned prior art there is provided one kind can realize simultaneously, synchronization double break The disconnecting switch module opened.
The utility model is achieved through the following technical solutions:
In double-fracture disconnecting switch module, including housing, double-fracture switching device, drive mechanism, housing provided with n successively One group of double-fracture switching device, one group of drive mechanism are equipped with the closed cavity of connection, each cavity;Double-fracture switch dress Put including movable contact block, a pair of moving contacts and a pair of static contacts;Movable contact block is located at the middle part of cavity;A pair of static contacts are set respectively In the relative both sides of movable contact block;A pair of moving contacts be located inside movable contact block and can be stretched out from relative direction movable contact block with it is right The static contact answered is engaged, and a pair of moving contacts act synchronous linear reciprocating motion by drive mechanism band, same with static contact When contact or separate simultaneously;A pair of moving contact mutual conductions;Double-fracture switching device in each cavity is real by drive mechanism Existing synchroswitching or separating brake.
Bilateral isolation fracture divide-shut brake can be realized simultaneously by double-fracture disconnecting switch module,
As the improvement of scheme one, also including the grounding switch on shell and installed in movable contact block surface with connecing The quiet side contact base that ground disconnecting link coordinates.
To ensure mechanism mechanical handling stability and reliability, double-fracture switching device and grounding switch are respectively by two behaviour Make mechanism controls action, this is designed with beneficial to optimization and simplifies switch operation sequential, it is to avoid maloperation.
As the improvement of scheme one, coordinate in moving contact away from one end of static contact provided with axial arranged with drive mechanism Tooth bar.
As the improvement of scheme three, moving contact is cylinder, is cut in the side away from static contact in radial direction provided with L-shaped Mouthful, tooth bar is flat to be located on the sagittal plane on l shaped incision, and the axial direction of rack-driving direction and moving contact is consistent.
As the improvement of scheme three, drive mechanism includes insulating driving rod, travelling gear, power transmission shaft, transmission insert;Pass Moving axis is splined shaft;The shaft core position for being driven insert is provided with the spline blind hole coordinated with the periphery of splined shaft;Travelling gear Shaft core position is provided with the spline through hole coordinated with the periphery of splined shaft, and the periphery of travelling gear is the external gear coordinated with tooth bar Portion;A transmission insert is coaxially fixed at the two ends of insulating driving rod, is driven the spline blind hole of insert outwardly;Travelling gear The tooth bar for being located at movable contact block inside and outer gear portion and a pair of moving contacts coordinates;The spline of power transmission shaft through travelling gear leads to Hole, power transmission shaft one end is connected with the transmission insert of insulating driving rod one end, and the other end and the insulation of another group of drive mechanism are passed The transmission insert connection of lever one end.
Make double-fracture switching device stable, reliable by simple compact mechanical linkage structure.
As the improvement of scheme five, the material of insulating driving rod is epoxy resin.
As the improvement of scheme five, the material of travelling gear is 40Cr.
As the improvement of scheme one, movable contact block includes movable contact block body and several spring contacts;Movable contact block body Inside be provided with inner chamber, be equipped with the pilot hole of a communication with cavity in the opposite sides of movable contact block body, pilot hole it is interior The periphery of wall and moving contact coordinates, and the evenly distributed annular for being used to install spring contact in multiple axial directions is provided with the inwall of pilot hole Groove, each annular groove correspondence installs a spring contact;Inner chamber forms the accommodating sky of accommodating a pair of moving contacts with two pilot holes Between.
As the improvement of any one of scheme one to eight, movable contact block is installed with static contact by disc insulator and housing Together.
As the improvement of scheme nine, the material of movable contact block is cast aluminium ZL101A-T6.
The utility model has the advantages that:
1. double-fracture disconnecting switch module uses three-phase ganged mechanical transmission structure, stable transmission, reliability.
2. using the built-in drive mechanism design without exposed connecting rod, strengthen the weatherability of product critical component, subtract simultaneously Few transmission link, improves the division operation transmission efficiency of isolation switch.
Brief description of the drawings
Fig. 1 is the schematic perspective view of double-fracture disconnecting switch module of the present utility model.
Fig. 2 is the main-vision surface sectional view of double-fracture disconnecting switch module of the present utility model.
Fig. 3 is Fig. 2 a-quadrant close-up schematic view.
Fig. 4 is the vertical view face sectional view of double-fracture disconnecting switch module of the present utility model.
Fig. 5 is Fig. 4 B regions close-up schematic view.
Description of reference numerals:1st, housing;2nd, drive mechanism;3rd, cavity;4th, movable contact block;5th, moving contact;6th, static contact;7、 Grounding switch;8th, quiet side contact base;9th, tooth bar;10th, l shaped incision;11st, edge drive link;12nd, travelling gear;13rd, power transmission shaft;14、 It is driven insert;15th, spline blind hole;16th, spline through hole;17th, outer gear portion;18th, spring contact;19th, movable contact block body; 20th, inner chamber;21st, pilot hole;22nd, annular groove;23rd, disc insulator.
Embodiment
As shown in Figures 1 to 5, double-fracture disconnecting switch module, including housing 1, double-fracture switching device, drive mechanism 2, Provided with three closed cavitys 3 being sequentially communicated in housing 1, be equipped with each cavity 3 one group of double-fracture switching device, one group Drive mechanism 2;Double-fracture switching device includes movable contact block 4, a pair of moving contacts 5 and a pair of static contacts 6;Movable contact block 4 is located at The middle part of cavity 3;A pair of static contacts 6 are respectively provided at the relative both sides of movable contact block 4;A pair of moving contacts 5 are located in movable contact block 4 Portion and can from relative direction stretch out movable contact block 4 be engaged with corresponding static contact 6, a pair of moving contacts 5 pass through drive mechanism 2 With the synchronous linear reciprocating motion of action, contact or while separate simultaneously with static contact 6;A pair of mutual conductions of moving contact 5;Each Double-fracture switching device in cavity 3 realizes synchroswitching or separating brake by drive mechanism 2.
Double-fracture disconnecting switch module also includes the grounding switch 7 being arranged on housing 1 and installed in the surface of movable contact block 4 The quiet side contact base 8 coordinated with grounding switch 7.
In moving contact 5 away from one end of static contact 6 provided with the axial arranged tooth bar 9 coordinated with drive mechanism 2.Moving contact 5 be cylinder, is provided with l shaped incision 10 in radial direction in the side away from static contact 6, tooth bar 9 is flat to be located on l shaped incision 10 On sagittal plane, the transmission direction of tooth bar 9 is axially consistent with moving contact 5.
Drive mechanism 2 includes insulating driving rod 11, travelling gear 12, power transmission shaft 13, transmission insert 14;Power transmission shaft 13 is Splined shaft;The shaft core position for being driven insert 14 is provided with the spline blind hole 15 coordinated with the periphery of power transmission shaft 13;Travelling gear 12 Shaft core position be provided with the spline through hole 16 coordinated with the periphery of power transmission shaft 13, the periphery of travelling gear 12 is coordinates with tooth bar 9 Outer gear portion 17;A transmission insert 14 is coaxially fixed at the two ends of insulating driving rod 11, is driven the spline of insert 14 Blind hole 15 is outwardly;Travelling gear 12 is located at the inside of movable contact block 4 and the tooth bar 9 of outer gear portion 17 and a pair of moving contacts 5 coordinates;Pass Moving axis 13 passes through the spline through hole 16 of travelling gear 12, the transmission insert 14 of the one end of power transmission shaft 13 and the one end of insulating driving rod 11 Connection, the other end is connected with the transmission insert 14 of one end of insulating driving rod 11 of another group of drive mechanism 2.Insulating driving rod 11 Material be epoxy resin.The material of travelling gear 12 is 40Cr.
Movable contact block 4 includes movable contact block body 19 and several spring contacts 18;The inside of movable contact block body 19 is provided with Inner chamber 20, the pilot hole 21 of a communication with cavity 20 is equipped with the opposite sides of movable contact block body 19, pilot hole 21 it is interior The periphery of wall and moving contact 5 coordinates, evenly distributed for installing spring contact 18 provided with multiple axial directions in the inwall of pilot hole 21 Annular groove 22, each annular groove 22 correspondence installs a spring contact 18;Inner chamber 20 and two formation of pilot hole 21 accommodating one To the accommodation space of moving contact 5.Two moving contacts 5 allow one end with tooth bar 9 to insert corresponding pilot hole 21 respectively, and two are moved The tooth bar 9 of contact 5 is engaged with the outer gear portion 17 of travelling gear 12 respectively, and moving contact 5 deviates from the periphery of one end of tooth bar 9 with leading Coordinate to the inwall of hole 21 and contacted with spring contact 18, moving contact 5 is driven in the axis side of pilot hole 21 by travelling gear 12 To doing reciprocating linear motion.
Movable contact block 4 is installed together with static contact 6 by disc insulator 23 with housing 1.The material of movable contact block 4 For cast aluminium ZL101A-T6.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case In the scope of the claims.

Claims (10)

1. double-fracture disconnecting switch module, it is characterised in that:Including housing, double-fracture switching device, drive mechanism, described shell Be equipped with the closed cavitys being sequentially communicated provided with n in vivo, each described cavity one group of double-fracture switching device, one group Drive mechanism;
Described double-fracture switching device includes movable contact block, a pair of moving contacts and a pair of static contacts;Described movable contact block is set At the middle part of described cavity;A pair of described static contacts are respectively provided at the relative both sides of described movable contact block;Described one Moving contact is located inside described movable contact block and can stretch out movable contact block from relative direction and be contacted with corresponding static contact and matched somebody with somebody Close, a pair of described moving contacts act synchronous linear reciprocating motion by drive mechanism band, contacted simultaneously with static contact or same When separate;A pair of described moving contact mutual conductions;
Double-fracture switching device in described each cavity realizes synchroswitching or separating brake by drive mechanism.
2. double-fracture disconnecting switch module according to claim 1, it is characterised in that:Also include being arranged on connecing on shell Ground disconnecting link and the quiet side contact base coordinated installed in movable contact block surface and grounding switch.
3. double-fracture disconnecting switch module according to claim 1, it is characterised in that:Deviate from stationary contact in described moving contact One end of head is provided with the axial arranged tooth bar coordinated with described drive mechanism.
4. double-fracture disconnecting switch module according to claim 3, it is characterised in that:Described moving contact is cylinder, In the side away from static contact l shaped incision, the flat sagittal plane being located on l shaped incision of described tooth bar are provided with radial direction On, the axial direction of rack-driving direction and moving contact is consistent.
5. double-fracture disconnecting switch module according to claim 3, it is characterised in that:Described drive mechanism includes insulation Drive link, travelling gear, power transmission shaft, transmission insert;Described power transmission shaft is splined shaft;The axle center of described transmission insert Position is provided with the spline blind hole coordinated with the periphery of splined shaft;The shaft core position of described travelling gear is provided with outer with splined shaft Zhou Peihe spline through hole, the periphery of travelling gear is the outer gear portion coordinated with described tooth bar;Described insulating driving rod Two ends coaxially fix a transmission insert, the spline blind hole of described transmission insert is outwardly;Described travelling gear The tooth bar for being located at described movable contact block inside and described outer gear portion and a pair of moving contacts coordinates;Described power transmission shaft is passed through The spline through hole of travelling gear, described power transmission shaft one end is connected with the transmission insert of insulating driving rod one end, the other end with The transmission insert connection of insulating driving rod one end of another group of drive mechanism.
6. double-fracture disconnecting switch module according to claim 5, it is characterised in that:The material of described insulating driving rod For epoxy resin.
7. double-fracture disconnecting switch module according to claim 5, it is characterised in that:The material of described travelling gear is 40Cr。
8. double-fracture disconnecting switch module according to claim 1, it is characterised in that:Described movable contact block includes dynamic touch Headstock body and several spring contacts;The inside of described movable contact block body is provided with inner chamber, in the relative of movable contact block body Both sides are equipped with the pilot hole of a communication with cavity, and the described inwall of pilot hole coordinates with the periphery of described moving contact, The inwall of pilot hole installs one provided with the evenly distributed annular groove for being used to install spring contact in multiple axial directions, each annular groove correspondence Individual spring contact;Described inner chamber forms the accommodation space of accommodating a pair of moving contacts with two pilot holes.
9. the double-fracture disconnecting switch module according to any one of claim 1 to 8, it is characterised in that:Described moving contact Seat is installed together with static contact by disc insulator with housing.
10. double-fracture disconnecting switch module according to claim 9, it is characterised in that:The material of described movable contact block For cast aluminium ZL101A-T6.
CN201621232690.4U 2016-11-17 2016-11-17 Double-fracture disconnecting switch module Active CN206331958U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201621232690.4U CN206331958U (en) 2016-11-17 2016-11-17 Double-fracture disconnecting switch module
JP2018600158U JP3221535U (en) 2016-11-17 2017-04-12 Ultra high voltage electrical network separation switch
PCT/CN2017/080206 WO2018090549A1 (en) 2016-11-17 2017-04-12 Ultra-high-voltage power line disconnector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621232690.4U CN206331958U (en) 2016-11-17 2016-11-17 Double-fracture disconnecting switch module

Publications (1)

Publication Number Publication Date
CN206331958U true CN206331958U (en) 2017-07-14

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ID=59288493

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201621232690.4U Active CN206331958U (en) 2016-11-17 2016-11-17 Double-fracture disconnecting switch module

Country Status (3)

Country Link
JP (1) JP3221535U (en)
CN (1) CN206331958U (en)
WO (1) WO2018090549A1 (en)

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CN106373821A (en) * 2016-11-17 2017-02-01 中国南方电网有限责任公司超高压输电公司检修试验中心 Double-break disconnector switch module
CN110364957A (en) * 2019-07-17 2019-10-22 西安西电开关电气有限公司 A kind of enlarging module of GIS device
CN114664591A (en) * 2021-12-24 2022-06-24 平高集团有限公司 A swing arm transmission type double-break isolating switch

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CN109637857B (en) * 2018-11-05 2023-08-11 海鸿电气有限公司 Efficient disk-type non-excitation tapping switch
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CN101320648B (en) * 2008-07-02 2012-02-01 中国西电电气股份有限公司 Air insulated isolation switch device
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CN105280427A (en) * 2015-11-27 2016-01-27 国家电网公司 Single-phase isolation switch and isolation switch using same
CN106373820A (en) * 2016-11-14 2017-02-01 中国南方电网有限责任公司超高压输电公司检修试验中心 Double-break disconnector switch module
CN106373821A (en) * 2016-11-17 2017-02-01 中国南方电网有限责任公司超高压输电公司检修试验中心 Double-break disconnector switch module

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Publication number Priority date Publication date Assignee Title
CN106373821A (en) * 2016-11-17 2017-02-01 中国南方电网有限责任公司超高压输电公司检修试验中心 Double-break disconnector switch module
WO2018090548A1 (en) * 2016-11-17 2018-05-24 中国南方电网有限责任公司超高压输电公司检修试验中心 Double-break isolated switch module
CN110364957A (en) * 2019-07-17 2019-10-22 西安西电开关电气有限公司 A kind of enlarging module of GIS device
CN114664591A (en) * 2021-12-24 2022-06-24 平高集团有限公司 A swing arm transmission type double-break isolating switch

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Publication number Publication date
WO2018090549A1 (en) 2018-05-24
JP3221535U (en) 2019-06-06

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