CN105575698B - GIS combination electric appliance ground switch interlocking device - Google Patents
GIS combination electric appliance ground switch interlocking device Download PDFInfo
- Publication number
- CN105575698B CN105575698B CN201610025997.5A CN201610025997A CN105575698B CN 105575698 B CN105575698 B CN 105575698B CN 201610025997 A CN201610025997 A CN 201610025997A CN 105575698 B CN105575698 B CN 105575698B
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- Prior art keywords
- switch
- disconnecting switch
- disconnecting
- earthed
- static contact
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- 230000003068 static effect Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000033001 locomotion Effects 0.000 claims abstract description 12
- 238000002955 isolation Methods 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 206010001541 Akinesia Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
Abstract
The invention discloses a kind of GIS combination electric appliance ground switch interlocking device, including disconnecting switch and earthed switch；Described earthed switch is arranged on the lower section of disconnecting switch.Described disconnecting switch includes disconnecting switch housing, disconnecting switch power transmission shaft, disconnecting switch moving contact, static contact isolation switch, earthed switch includes earthed switch housing, moving contact of grounding switch, static contact of grounding switch, and the projection of described static contact of grounding switch interlocking braking roll upper end can be connected to one in the multiple grooves in disconnecting switch power transmission shaft lower end.The projection that braking roll upper end is interlocked by the movement progress of moving contact of grounding switch closing operation moving contact due to the present invention is connected in the groove of disconnecting switch power transmission shaft lower end, prevent the motion of disconnecting switch power transmission shaft, reach under earthed switch "on" position, the rotary motion of disconnecting switch power transmission shaft is limited, is closed a floodgate so as to limit disconnecting switch.
Description
Technical field
The present invention relates to a kind of switchgear, more particularly to a kind of GIS combination electric appliance ground switch interlocking device.
Background technology
In power industry, GIS is by the primary equipment in a transformer station in addition to transformer, including breaker, isolation
Switch, earthed switch, voltage transformer, current transformer, arrester, bus, cable termination, inlet-outlet sleeve etc., it is optimized
Design is organically combined into an entirety.The advantages of GIS, is that floor space is small, and reliability is high, high safety, maintenance workload
Very little.The combined floodgate of disconnecting switch and earthed switch is with opening a sluice gate the electrical control mostly used in traditional GIS, by electrically carrying out
The chain operation of disconnecting switch and earthed switch, just operable only in the case where there is electricity, the scope of application is smaller.
The content of the invention
It is an object of the invention to provide a kind of GIS combination electric appliance ground switch interlocking device for interlocking reliable in action, i.e.
Disconnecting switch must not close a floodgate when isolation earthing switch interlocked earthing switch closes a floodgate, conversely, when earthed switch is in "on" position, every
Leave and close akinesia combined floodgate.
To achieve the above object, technical solution of the invention is：
The present invention is a kind of GIS combination electric appliance ground switch interlocking device, including disconnecting switch and earthed switch；Described
Earthed switch is arranged on the lower section of disconnecting switch；
Described disconnecting switch includes disconnecting switch housing, disconnecting switch power transmission shaft, disconnecting switch moving contact, disconnecting switch
Static contact；Disconnecting switch power transmission shaft penetrates the penetrating end and disconnecting switch of disconnecting switch housing and disconnecting switch power transmission shaft from top
Moving contact connects, and disconnecting switch moving contact is nested with the disconnecting switch moving contact seat in disconnecting switch housing central section in a movable manner
It can move back and forth above and in the horizontal direction under the drive of disconnecting switch power transmission shaft, static contact isolation switch is arranged on disconnecting switch
The side of housing and positioned at disconnecting switch moving contact motion track on, can be abutted against with disconnecting switch moving contact；
Described earthed switch includes earthed switch housing, moving contact of grounding switch, static contact of grounding switch；Described connects
Ground switch case is fixedly mounted on the bottom of disconnecting switch housing, and static contact of grounding switch is fixedly mounted on disconnecting switch moving contact seat
Bottom, moving contact of grounding switch be arranged on earthed switch housing in and positioned at static contact of grounding switch lower section, earthed switch
Moving contact can be moved up and down vertically, be abutted against with static contact of grounding switch；
Described static contact of grounding switch include earthed switch static contact seat, interlocking braking roll, alignment pin, back-moving spring, only
Dynamic pressure spring, pressing plate, earthed switch static contact seat are fixed on the bottom of disconnecting switch moving contact, and interlocking braking roll activity is nested with
It can move up and down in the ladder axis hole of earthed switch static contact seat and vertically, be slided on the top of interlocking braking roll provided with elongated hole
Groove, the elongated hole chute gap are socketed on alignment pin, and alignment pin is fixedly mounted in the ladder axis hole of earthed switch static contact seat, connection
Locking moving axis upper end is provided with projection, and disconnecting switch power transmission shaft lower end is designed with multiple grooves, and the projection of interlocking braking roll upper end can
One be connected in the multiple grooves in disconnecting switch power transmission shaft lower end；Back-moving spring is socketed in interlocking braking roll and back-moving spring
Both ends act against respectively interlocking braking roll hanging platform on and earthed switch static contact seat ladder axis hole cascaded surface on, stop pressure
The upper end of spring acts against the bottom surface of interlocking braking roll, and the lower end of stop compression spring is acted against on pressing plate.
After such scheme, because the present invention is joined by the movement progress of moving contact of grounding switch closing operation moving contact
The projection of locking moving axis upper end is connected in the groove of disconnecting switch power transmission shaft lower end, is prevented the motion of disconnecting switch power transmission shaft, is reached
To under earthed switch "on" position, the rotary motion of disconnecting switch power transmission shaft is limited, is closed a floodgate so as to limit disconnecting switch.
The present invention is further illustrated with specific embodiment below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the gate-dividing state figure of earthed switch of the present invention；
Fig. 2 is the "on" position figure of earthed switch of the present invention；
Fig. 3 is Fig. 1 partial enlarged drawings at A；
Fig. 4 is Fig. 2 partial enlarged drawings at B；
Fig. 5 is that the projection of moving contact of grounding switch interlocking braking roll upper end under gate-dividing state of the present invention is driven with disconnecting switch
Axle lower end groove cooperation schematic diagram；
Fig. 6 is that the projection of moving contact of grounding switch interlocking braking roll upper end under "on" position of the present invention is driven with disconnecting switch
Axle lower end groove cooperation schematic diagram；
Fig. 7 is the bottom schematic view of disconnecting switch power transmission shaft of the present invention.
Embodiment
As shown in Figure 1 and Figure 2, the present invention is a kind of GIS combination electric appliance ground switch interlocking device, including the He of disconnecting switch 1
Earthed switch 2.
Described earthed switch 2 is arranged on the lower section of disconnecting switch 1.Described disconnecting switch 1 is passed by disconnecting switch
The forward and reverse rotation gear of moving axis 12 drives the linear reciprocating motion of disconnecting switch moving contact 13 to realize disconnecting switch divide-shut brake.
Described disconnecting switch 1 include disconnecting switch housing 11, disconnecting switch power transmission shaft 12, disconnecting switch moving contact 13,
Static contact isolation switch 14.Described disconnecting switch power transmission shaft 12 penetrates disconnecting switch housing 11 from top and disconnecting switch is driven
The penetrating end of axle 12 is connected with disconnecting switch moving contact 13, and disconnecting switch moving contact 13 is nested with a movable manner is keeping apart
On the disconnecting switch moving contact seat 15 for closing the middle part of housing 11, it can be moved back and forth in the horizontal direction under the drive of disconnecting switch power transmission shaft 12
Dynamic, static contact isolation switch 14 is arranged on the side of disconnecting switch housing 11 and positioned at the motion track of disconnecting switch moving contact 13
On, it can be abutted against with disconnecting switch moving contact 13.
Described earthed switch 2 includes earthed switch housing 21, moving contact of grounding switch 22, static contact of grounding switch 23.
Described earthed switch housing 21 is fixedly mounted on the bottom of disconnecting switch housing 11, and static contact of grounding switch 23 is fixedly mounted on
The bottom of disconnecting switch moving contact seat 15, moving contact of grounding switch 22 are arranged in earthed switch housing 21 and quiet positioned at earthed switch
The lower section of contact 23, moving contact of grounding switch 22 can be moved up and down vertically, be abutted against with static contact of grounding switch 23.
As shown in figures 3 to 6, described static contact of grounding switch 23 includes earthed switch static contact seat 231, interlocking braking roll
232nd, alignment pin 233, back-moving spring 234, stop compression spring 235, pressing plate 236.Described earthed switch static contact seat 231 is fixed
In the bottom of disconnecting switch moving contact 13, the interlocking activity of braking roll 232 is nested with the ladder axis hole in earthed switch static contact seat 231
It can move up and down in 2311 and vertically, elongated hole chute 2321, the elongated hole chute are provided with the top of interlocking braking roll 232
2321 gaps are socketed on alignment pin 233, and alignment pin 233 is fixedly mounted on the ladder axis hole 2311 of earthed switch static contact seat 231
Interior, alignment pin 233 is limited by elongated hole chute 2321 and slided within the specific limits, and it is spacing not that interlocking braking roll 232 is positioned pin 233
It can rotate, interlocking braking roll 232 upper end is provided with projection 2322, and the lower end of disconnecting switch power transmission shaft 12 is designed with multiple grooves 121（Such as
Shown in Fig. 7）, the groove of the N number of decile of the plurality of quantity of groove 121, N is the natural number more than 2, interlocking braking roll 232 upper end
Projection 2322 can be connected to one in the multiple grooves 121 in the lower end of disconnecting switch power transmission shaft 12, described projection 2322 and groove
121 be gap matching design, the trapezoidal bumps engagement design of both sides, is easy to projection 2322 to insert the interior simultaneously positive engagement of groove 121.Institute
The back-moving spring 234 stated is socketed in interlocking braking roll 232 and the both ends of back-moving spring 234 act against interlocking braking roll respectively
On 232 hanging platform and on the cascaded surface of the ladder axis hole 2311 of earthed switch static contact seat 231, the back-moving spring 234 can stop interlocking
Moving axis 232 resets after interlocking releases, and departs from locked position of coupler；The upper end of described stop compression spring 235 acts against interlocking and stopped
The bottom surface of moving axis 232, the lower end of stop compression spring 235 are acted against on pressing plate 236, and the stop compression spring 235 provides stop
Device and the engaging pressure of disconnecting switch power transmission shaft 12, and overcome the reaction force of back-moving spring 234.Moving contact of grounding switch 22
The dynamic pressure spring 235 untill moving with final closing position that closes a floodgate provides active force and active force fulcrum.
The operation principle of the present invention：
As shown in Fig. 1, Fig. 4, Fig. 6, during the 2-in-1 lock of earthed switch：The motion insertion earthed switch of moving contact of grounding switch 22 is quiet
In contact 23, the end of static contact of grounding switch 23 contacts and compressed with pressing plate 236, the stop pressure bullet of stop compression spring 235
Spring force is more than power caused by back-moving spring 234, and stop compression spring 235 promotes interlocking braking roll 232 to be transported along elongated hole chute 2321
It is dynamic, until the projection 2322 in interlocking braking roll 232 is inserted in the groove 121 of the end of disconnecting switch power transmission shaft 12.Projection 2322
Coordinating with groove 121 makes interlocking braking roll 232 be integrally formed in a rotational direction with disconnecting switch power transmission shaft 12, interlocks braking roll
232 are positioned that pin 233 is spacing to be rotated, then disconnecting switch power transmission shaft 12 is limited and can not rotated by interlocking braking roll 232,
Disconnecting switch 1 can not close a floodgate, and be grounded disconnecting switch 2 when switch 1 closes a floodgate and interlock.During 2 separating brake of earthed switch, earthed switch
The counter motion of moving contact 22, depart from the contact with pressing plate 236, interlock the projection in the presence of back-moving spring 234 of braking roll 232
2322 depart from the groove 121 of the end of disconnecting switch power transmission shaft 12, release the limitation to disconnecting switch power transmission shaft 12, earthed switch 2
Release the limitation to the closing operation of disconnecting switch 1.
The emphasis of the present invention is that：Disconnecting switch and earthed switch are by interlocking projection and disconnecting switch in braking roll
Groove on power transmission shaft, which coordinates, realizes linkage.The closing position and open position of moving contact of grounding switch trigger and release this respectively
Coordinate, be grounded isolator operation when switch closes a floodgate and be limited, it is impossible to close a floodgate；During grounding switch tripping, restriction cancellation.
It is described above, only present pre-ferred embodiments, therefore the scope that the present invention is implemented can not be limited with this, i.e., according to
The equivalent changes and modifications that scope of the present invention patent and description are made, it all should still belong to the model that patent of the present invention covers
In enclosing.
Claims (2)
1. a kind of GIS combination electric appliance ground switch interlocking device, including disconnecting switch and earthed switch；Described earthed switch peace
Mounted in the lower section of disconnecting switch；Described disconnecting switch includes disconnecting switch housing, disconnecting switch moving contact, isolating switch static contact
Head；Described earthed switch includes moving contact of grounding switch, static contact of grounding switch；It is characterized in that：
The disconnecting switch also includes disconnecting switch power transmission shaft, disconnecting switch power transmission shaft from top penetrate disconnecting switch housing and every
Leave close power transmission shaft penetrating end be connected with disconnecting switch moving contact, disconnecting switch moving contact be nested with a movable manner every
Leave on the disconnecting switch moving contact seat for closing housing central section and can be moved back and forth in the horizontal direction under the drive of disconnecting switch power transmission shaft
Dynamic, static contact isolation switch is arranged on the side of disconnecting switch housing and on the motion track of disconnecting switch moving contact, can
It is abutted against with disconnecting switch moving contact；
The earthed switch also includes earthed switch housing；Described earthed switch housing is fixedly mounted on disconnecting switch housing
Bottom, static contact of grounding switch are fixedly mounted on the bottom of disconnecting switch moving contact seat, and moving contact of grounding switch is opened installed in ground connection
Close in housing and positioned at the lower section of static contact of grounding switch, moving contact of grounding switch can be moved up and down vertically, with ground connection
Switch static contact is abutted against；
Described static contact of grounding switch includes earthed switch static contact seat, interlocking braking roll, back-moving spring, stop compression spring,
Earthed switch static contact seat is fixed on the bottom of disconnecting switch moving contact, and interlocking braking roll activity is nested with earthed switch static contact seat
It can move up and down in ladder axis hole and vertically, interlocking braking roll upper end is provided with projection, and disconnecting switch power transmission shaft lower end is set
In respect of multiple grooves, the projection of interlocking braking roll upper end can be connected to one in the multiple grooves in disconnecting switch power transmission shaft lower end；
Back-moving spring be socketed in interlocking braking roll on and back-moving spring both ends act against respectively interlocking braking roll hanging platform on and be grounded
On the cascaded surface of switch stationary contact seat ladder axis hole, the upper end of stop compression spring acts against the bottom surface of interlocking braking roll.
2. GIS combination electric appliance ground switch interlocking device according to claim 1, it is characterised in that：Described ground connection is opened
Closing static contact also includes alignment pin and pressing plate；Elongated hole chute is provided with the top of interlocking braking roll, elongated hole chute gap socket
On alignment pin, alignment pin is fixedly mounted in the ladder axis hole of earthed switch static contact seat；Under described stop compression spring
End is acted against on pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025997.5A CN105575698B (en) | 2016-01-15 | 2016-01-15 | GIS combination electric appliance ground switch interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610025997.5A CN105575698B (en) | 2016-01-15 | 2016-01-15 | GIS combination electric appliance ground switch interlocking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105575698A CN105575698A (en) | 2016-05-11 |
| CN105575698B true CN105575698B (en) | 2018-01-09 |
Family
ID=55885721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610025997.5A Active CN105575698B (en) | 2016-01-15 | 2016-01-15 | GIS combination electric appliance ground switch interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105575698B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117220452A (en) * | 2023-08-11 | 2023-12-12 | 安徽合凯电气科技股份有限公司 | Special phase change switch for generator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| CN103646801A (en) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | An isolating grounding switch integrating three operation locations |
| KR20140057966A (en) * | 2012-11-05 | 2014-05-14 | 엘에스산전 주식회사 | Interlock device for gas insulation switchgear |
| CN203966948U (en) * | 2014-07-02 | 2014-11-26 | 新东北电气集团高压开关有限公司 | A kind of three station isolation grounding switchs |
| CN204189668U (en) * | 2014-11-28 | 2015-03-04 | 施耐德开关（苏州）有限公司 | A kind of Novel interlock interlock |
| CN105070577A (en) * | 2015-07-30 | 2015-11-18 | 河南平高电气股份有限公司 | Isolation grounding switch mechanism, single-pole component and GIS electrical equipment |
| CN205335130U (en) * | 2016-01-15 | 2016-06-22 | 许继（厦门）智能电力设备股份有限公司 | GIS combined electrical apparatus earthing switch interlock |
-
2016
- 2016-01-15 CN CN201610025997.5A patent/CN105575698B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| KR20140057966A (en) * | 2012-11-05 | 2014-05-14 | 엘에스산전 주식회사 | Interlock device for gas insulation switchgear |
| CN103646801A (en) * | 2013-12-02 | 2014-03-19 | 昆明理工大学 | An isolating grounding switch integrating three operation locations |
| CN203966948U (en) * | 2014-07-02 | 2014-11-26 | 新东北电气集团高压开关有限公司 | A kind of three station isolation grounding switchs |
| CN204189668U (en) * | 2014-11-28 | 2015-03-04 | 施耐德开关（苏州）有限公司 | A kind of Novel interlock interlock |
| CN105070577A (en) * | 2015-07-30 | 2015-11-18 | 河南平高电气股份有限公司 | Isolation grounding switch mechanism, single-pole component and GIS electrical equipment |
| CN205335130U (en) * | 2016-01-15 | 2016-06-22 | 许继（厦门）智能电力设备股份有限公司 | GIS combined electrical apparatus earthing switch interlock |
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| Publication number | Publication date |
|---|---|
| CN105575698A (en) | 2016-05-11 |
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