CN110189954A - Isolation earthing switch - Google Patents
Isolation earthing switch Download PDFInfo
- Publication number
- CN110189954A CN110189954A CN201910610189.9A CN201910610189A CN110189954A CN 110189954 A CN110189954 A CN 110189954A CN 201910610189 A CN201910610189 A CN 201910610189A CN 110189954 A CN110189954 A CN 110189954A
- Authority
- CN
- China
- Prior art keywords
- insulator
- contact
- switch
- conductive rod
- bracket
- 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.)
- Pending
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 36
- 239000012212 insulator Substances 0.000 claims abstract description 83
- 238000009413 insulation Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/003—Earthing switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The present invention relates to a kind of isolation earthing switch, including switch bracket, switch bracket be equipped with the first insulator, the second insulator, operation insulator, the first insulator, the second insulator one end fixed with switch bracket, the other end is respectively equipped with the first contact, the second contact；One end of operation insulator is slidedly assemblied on switch bracket, the other end is equipped with conductive rod, and sub-gate position only is isolated with the second contact conductive contact be isolated closing position and the conductive rod of the first contact, the second contact conductive contact simultaneously with conductive rod under the drive of operation insulator in conductive rod；Earthing is equipped with by grounding switch main shaft on switch bracket, earthing has and the contact of earth position of the first contact conductive contact and the ground connection sub-gate position separated with the first contact under the drive of grounding switch main shaft.The isolation knife for eliminating rotary motion is changed to the conductive rod structure of linear motion, reduces the overall volume of switchgear, realize miniaturization.
Description
Technical field
The present invention relates to high-tension switch gear fields, and in particular to a kind of isolation earthing switch.
Background technique
Currently used 40.5kV air insulation indoor isolator is GN27-40.5D type, the isolation knife of use and ground connection
Knife is rotary movement.As shown in Figure 4 and Figure 5, switch includes bracket, sets that there are six insulator 60, every two on bracket
Form a pole；Dress is there are three insulator 20 is operated in shaft, for the switching on and off of operation isolation knife.When separating brake, connecting lever band is operated
The rotation of turn axis makes to operate the upward top of insulator 20, and isolation knife 30 rotates by a certain angle to realize separating brake；When combined floodgate, operation is turned
Armband turn axis reversely rotates, and then isolation knife is driven to rotate to closing position.Earthing 40 is fixed on grounding switch main shaft 50,
Rotatable movement is grounded switch division.
Also earthing 40 is arranged below, as shown in Figure 6.
Due to the aerial insulation distance of the indoor switch equipment of 40.5kV have to be larger than 300mm (1000 meters of height above sea level with
Under), so that GN27-40.5D type disconnecting switch occupies biggish space during installation, the requirement such as subway, tunnel cannot be adapted to
The occasion of device miniaturization.
Summary of the invention
The object of the present invention is to provide a kind of isolation earthing switch, are not able to satisfy certain occasions to solve existing switchgear
The problem of to device miniaturization demand.
To achieve the above object, the present invention adopts the following technical scheme:
Isolation earthing switch, including switch bracket, switch bracket are equipped with the first insulator, the second insulator, operation absolutely
Edge, the first insulator, the second insulator one end fixed with switch bracket, the other end is respectively equipped with the first contact, second
Contact；
One end of operation insulator is slidedly assemblied on switch bracket, and the other end is equipped with conductive rod, and conductive rod is exhausted in operation
Have under the drive of edge conductive rod simultaneously with the first contact, the second contact conductive contact be isolated closing position and conductive rod only with
The isolation sub-gate position of second contact conductive contact；
Earthing is equipped with by grounding switch main shaft on switch bracket, earthing has under the drive of grounding switch main shaft
Have and the contact of earth position of the first contact conductive contact and the ground connection sub-gate position separated with the first contact.
Further, first insulator, the second insulator are obliquely installed, and the first insulator, the second insulation
The inclined direction of son is opposite.
Further, first insulator, the second insulator are arranged up and down, and operation insulator is located at the second insulator
Lower section, earthing are located at the top of the first insulator.
Further, the switch bracket is equipped with sliding rail, operates insulator by insulator bracket and is slidedly assemblied in institute
It states on sliding rail, insulator bracket is equipped with the sliding block cooperated with sliding rail.
Further, the conductive rod is using cylindrical copper rod.
Further, first contact, the second contact are equipped with the inserting hole for conductive rod insertion.
Further, elastic conduction fingertip is equipped in the inserting hole.
Further, the elastic conduction fingertip is spring touch finger.
Beneficial effects of the present invention:
Isolation earthing switch of the invention, eliminates the isolation knife of original rotary motion, and uses a conductive rod, will be every
Leave pass and be designed to Direct Action Type, by the linear motion of conductive rod realize simultaneously with the first contact, the second contact conductive contact
Isolation closing position and conductive rod sub-gate position only is isolated with the second contact conductive contact.By the way that rotary motion is changed to straight line fortune
It is dynamic, saved the longitudinally, laterally space of switchgear, reduced the overall volume of switchgear, meet certain occasions to setting
The demand of standby miniaturization.
Detailed description of the invention
Fig. 1 is the main view of isolation earthing switch of the present invention；
Fig. 2 is the side view one (keep apart and close, earthing switch point) of isolation earthing switch of the present invention；
Fig. 3 is the side view two of isolation earthing switch of the present invention (disconnecting switch point, earthing switch close)；
Fig. 4 is the main view of GN27-40.5D type switch in the prior art；
Fig. 5 is the side view of Fig. 4；
Fig. 6 is another structure type of GN27-40.5D type switch in the prior art.
Fig. 1 respectively marks corresponding title into Fig. 3:
1, earthing, 2, upper terminals, 3, upper contact head, 4, upper fingertip, 5, conductive rod, 6, lower fingertip, 7, lower contact, 8, under
Terminals, 9, operation insulator, 10, sliding block, 11, lower insulator, 12, upper insulator, 13, grounding switch main shaft, 14, insulator
Bracket, 15, sliding rail, 16, switch bracket.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.
The embodiment 1 of isolation earthing switch of the present invention:
As shown in Figure 1-Figure 3, isolation earthing switch, including switch bracket 16, switch bracket 16 be equipped with upper insulator 12,
Lower insulator 11, operation insulator 9, upper insulator 12, one end of lower insulator 11 are fixed with switch bracket 16, the other end point
It She You not upper contact head 3, lower contact 7.In the present embodiment, upper insulator 12, about 11 lower insulator are arranged, operate 9, insulator
In the lower section of lower insulator 11, earthing 1 is located at the top of upper insulator 12.Operating insulator 9 is sliding insulator, upper insulation
Son 12, lower insulator 11 are fixed insulator.
Earthing 1 is equipped with by grounding switch main shaft 13 on switch bracket 16, earthing 1 is in grounding switch main shaft 13
It is rotatable under drive, have and the contact of earth position of 3 conductive contact of upper contact head and the ground connection sub-gate position isolated with upper contact head 3.Such as
Shown in Fig. 2, earthing switch is in sub-gate position；Shown in Fig. 3, earthing switch is in closing position.Grounding switch main shaft and earthing
Structure, operating principle are similar to isolation earthing switch in the prior art.
Upper insulator 12, lower insulator 11 are obliquely installed, and the inclined direction phase of upper insulator 12, lower insulator 11
Instead, the two is compact-sized in horizontal positioned V-shaped.
Operation insulator 9 is arranged in parallel with lower insulator 11, and one end of operation insulator 9 is slidedly assemblied in switch bracket 16
On, the other end is equipped with conductive rod 5.Conductive rod 5 is spacer rod, is equivalent to the function of isolation knife.Conductive rod 5 uses cylindrical, copper
Stick, the good, uniform electromagnetic field of rigidity.In other embodiments, other conductive materials are can also be used instead of copper in conductive rod.
Switch bracket 16 is equipped with sliding rail 15, and operation insulator 9 is slidedly assemblied on sliding rail 15 by insulator bracket 14,
Insulator bracket 14 is equipped with the sliding block 10 cooperated with sliding rail 15.It is conductive under the drive of the up and down motion of insulator bracket 14
Stick 5 can move along a straight line up and down.
Upper contact head 3, lower contact 7 are equipped with the inserting hole for the insertion of above-mentioned conductive rod 5, and inserting hole is circular hole, and inserting hole
It is interior to be equipped with spring touch finger, improve the good conductive contact performance of conductive rod and respective contacts.Spring touch finger is denoted as fingertip respectively
4, lower fingertip 6.
Upper contact head 3 is equipped with upper terminals 2, and lower contact 7 is equipped with lower terminals 8.
Conductive rod 5 under the drive of operation insulator 9 with conductive rod simultaneously with upper contact head 3, lower contact 7 conductive contact
Only sub-gate position is isolated with lower 7 conductive contact of contact in isolation closing position and conductive rod 5.It is closed as shown in Fig. 2, conductive rod is in isolation
Lock position, conductive rod 5 and upper fingertip 4,6 Elastic Contact of lower fingertip realize electrically conducting；When separating brake, conductive rod 5 insulate in operation
It moves along a straight line downwards under the drive of son 9, moves to position shown in Fig. 3, in isolation sub-gate position.
In the present embodiment, the setting of earthing 1 is equivalent to corresponding isolation shown in fig. 5 in the prior art and connects in the top
The improvement of ground switch.Upper insulator is the first insulator, and lower insulator is the second insulator, and upper contact head is the first contact, lower touching
Head is the second contact.
The embodiment 2 of isolation earthing switch of the present invention:
In the present embodiment, earthing setting operates insulator setting in the top, is equivalent to corresponding existing skill in bottom
The improvement of disconnecting switch shown in fig. 6 in art.At this point, upper insulator is the second insulator, lower insulator is the first insulator,
Upper contact head is the second contact, and lower contact is the first contact.In the present embodiment, when earthing closes a floodgate, earthing and lower contact are conductive
Contact.
In other embodiments, spring touch finger can also be replaced by other elastic conduction fingertips, such as watchband-shaped contactor.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is skill identical or similar to the present application
Art scheme, is within the scope of the present invention.
Claims (8)
1. isolation earthing switch, it is characterised in that: including switch bracket, switch bracket is equipped with the first insulator, the second insulation
Son, operation insulator, the first insulator, the second insulator one end fixed with switch bracket, the other end is respectively equipped with first
Contact, the second contact；
One end of operation insulator is slidedly assemblied on switch bracket, and the other end is equipped with conductive rod, and conductive rod is in operation insulator
Drive under there is conductive rod closing position and conductive rod is isolated only with second with the first contact, the second contact conductive contact simultaneously
The isolation sub-gate position of contact conductive contact；
Earthing is equipped with by grounding switch main shaft on switch bracket, earthing have under the drive of grounding switch main shaft with
The contact of earth position of first contact conductive contact and the ground connection sub-gate position separated with the first contact.
2. isolation earthing switch according to claim 1, it is characterised in that: first insulator, the second insulator are equal
It is to be obliquely installed, and the inclined direction of the first insulator, the second insulator is opposite.
3. isolation earthing switch according to claim 2, it is characterised in that: on first insulator, the second insulator
Lower arrangement, operation insulator are located at the lower section of the second insulator, and earthing is located at the top of the first insulator.
4. isolation earthing switch according to claim 1, it is characterised in that: the switch bracket is equipped with sliding rail, operation
Insulator is slidedly assemblied on the sliding rail by insulator bracket, and insulator bracket is equipped with the sliding block cooperated with sliding rail.
5. isolation earthing switch according to claim 1, it is characterised in that: the conductive rod is using cylindrical copper rod.
6. isolation earthing switch according to claim 5, it is characterised in that: first contact, the second contact are equipped with
For the inserting hole of conductive rod insertion.
7. isolation earthing switch according to claim 6, it is characterised in that: be equipped with elastic conduction in the inserting hole and touch
Refer to.
8. isolation earthing switch according to claim 7, it is characterised in that: the elastic conduction fingertip is spring touch finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610189.9A CN110189954A (en) | 2019-07-08 | 2019-07-08 | Isolation earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610189.9A CN110189954A (en) | 2019-07-08 | 2019-07-08 | Isolation earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110189954A true CN110189954A (en) | 2019-08-30 |
Family
ID=67725197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610189.9A Pending CN110189954A (en) | 2019-07-08 | 2019-07-08 | Isolation earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110189954A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539732A (en) * | 2021-08-05 | 2021-10-22 | 重庆德普电气有限公司 | Push-pull outdoor isolating switch |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1310831A (en) * | 1961-12-04 | 1962-11-30 | Selector switch | |
| CN2629197Y (en) * | 2002-09-12 | 2004-07-28 | 朱鸣海 | 12KV outdoor AC isolating swtich and grounding swtich |
| CN2773878Y (en) * | 2005-01-20 | 2006-04-19 | 王世孝 | Assembled isolated switch |
| CN1885466A (en) * | 2006-06-12 | 2006-12-27 | 宁波天安（集团）股份有限公司 | Switch device of parallel connection vacuum arc extinguishing chamber |
| CN201549418U (en) * | 2009-09-09 | 2010-08-11 | 山东泰开成套电器有限公司 | Small-sized indoor insulation switch |
| CN202018908U (en) * | 2011-05-05 | 2011-10-26 | 山东泰开真空开关有限公司 | Novel directly-operated isolating switch |
| CN203192672U (en) * | 2013-04-19 | 2013-09-11 | 镇江维依埃电工研究所有限公司 | Direct-acting three-position isolating switch |
| CN203288485U (en) * | 2013-06-21 | 2013-11-13 | 许昌华元泰电气科技有限公司 | Direct-acting isolating earthing switch |
| CN203588907U (en) * | 2013-12-06 | 2014-05-07 | 山东泰开隔离开关有限公司 | Double column horizontal rotation type high voltage direct current isolation switch |
| CN205039112U (en) * | 2015-09-28 | 2016-02-17 | 华电高科(北京)电气有限公司 | Novel high -voltage switch |
| CN205959857U (en) * | 2016-07-07 | 2017-02-15 | 宁波天安（集团）股份有限公司 | Direct action type isolator |
| CN206711809U (en) * | 2017-03-14 | 2017-12-05 | 天津市天云龙电气设备有限公司 | A kind of direct-operated isolating switch easily monitored |
| CN209822536U (en) * | 2019-07-08 | 2019-12-20 | 许昌市威仕达电气有限公司 | Isolation grounding switch |
-
2019
- 2019-07-08 CN CN201910610189.9A patent/CN110189954A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1310831A (en) * | 1961-12-04 | 1962-11-30 | Selector switch | |
| CN2629197Y (en) * | 2002-09-12 | 2004-07-28 | 朱鸣海 | 12KV outdoor AC isolating swtich and grounding swtich |
| CN2773878Y (en) * | 2005-01-20 | 2006-04-19 | 王世孝 | Assembled isolated switch |
| CN1885466A (en) * | 2006-06-12 | 2006-12-27 | 宁波天安（集团）股份有限公司 | Switch device of parallel connection vacuum arc extinguishing chamber |
| CN201549418U (en) * | 2009-09-09 | 2010-08-11 | 山东泰开成套电器有限公司 | Small-sized indoor insulation switch |
| CN202018908U (en) * | 2011-05-05 | 2011-10-26 | 山东泰开真空开关有限公司 | Novel directly-operated isolating switch |
| CN203192672U (en) * | 2013-04-19 | 2013-09-11 | 镇江维依埃电工研究所有限公司 | Direct-acting three-position isolating switch |
| CN203288485U (en) * | 2013-06-21 | 2013-11-13 | 许昌华元泰电气科技有限公司 | Direct-acting isolating earthing switch |
| CN203588907U (en) * | 2013-12-06 | 2014-05-07 | 山东泰开隔离开关有限公司 | Double column horizontal rotation type high voltage direct current isolation switch |
| CN205039112U (en) * | 2015-09-28 | 2016-02-17 | 华电高科(北京)电气有限公司 | Novel high -voltage switch |
| CN205959857U (en) * | 2016-07-07 | 2017-02-15 | 宁波天安（集团）股份有限公司 | Direct action type isolator |
| CN206711809U (en) * | 2017-03-14 | 2017-12-05 | 天津市天云龙电气设备有限公司 | A kind of direct-operated isolating switch easily monitored |
| CN209822536U (en) * | 2019-07-08 | 2019-12-20 | 许昌市威仕达电气有限公司 | Isolation grounding switch |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539732A (en) * | 2021-08-05 | 2021-10-22 | 重庆德普电气有限公司 | Push-pull outdoor isolating switch |
| CN113539732B (en) * | 2021-08-05 | 2022-07-29 | 重庆德普电气有限公司 | Push-pull outdoor isolating switch |
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