CN203300530U - Three-location isolation ground switch and its conductive circuit - Google Patents
Three-location isolation ground switch and its conductive circuit Download PDFInfo
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- CN203300530U CN203300530U CN2013202943345U CN201320294334U CN203300530U CN 203300530 U CN203300530 U CN 203300530U CN 2013202943345 U CN2013202943345 U CN 2013202943345U CN 201320294334 U CN201320294334 U CN 201320294334U CN 203300530 U CN203300530 U CN 203300530U
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- floodgate
- grounding
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- 238000002955 isolation Methods 0.000 title claims abstract description 62
- 230000003068 static effect Effects 0.000 claims abstract description 40
- 230000033001 locomotion Effects 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000037431 insertion Effects 0.000 abstract 4
- 238000003780 insertion Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 5
- 230000006978 adaptation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a three-location isolation ground switch and its conductive circuit. The switch comprises a shell, an isolation static-end component, a dynamic-end component and a ground static-end component are sequentially arranged in the shell from left to right, the dynamic-end component comprises a dynamic contact seat and a dynamic contact movably assembled in the dynamic contact seat under left-right guide, the left end of the dynamic contact is a left insertion part, the right end of the dynamic contact is a right insertion part, a first watch band contact finger which is conductively contacted with the inner hole surface of an isolation static contact of the isolation static-end component when the isolation switch is close and is always conductively contacted with the dynamic contact seat when the ground switch is close, is arranged over the left insertion part of the dynamic contact, and a second watch band contact finger which is conductively contacted with the inner hole surface of a ground static-end contact of the ground static-end component when the ground switch is close and is always conductively contacted with the dynamic contact seat when the isolation switch is close, is arranged over the right insertion part of the dynamic contact. Compared with the prior art, the cost of products is lowered, the assembly of the contact fingers are greatly simplified, and the assembly efficiency is improved.
Description
Technical field
The utility model relates to a kind of three station isolation grounding switchs and galvanic circle thereof.
Background technology
In high voltage switchgear, Cubicle Gas-Insulated Switchgear is with long, the affected by environment advantage such as little of little, the reliable maintenance cycle of its floor space and volume, deeply be subjected to client's welcome, three station isolation grounding switchs become one two kinds of components and parts (isolating switch and earthed switch), with mechanical interlocking, replace electrical interlock, especially be welcomed by customers.
Chinese patent literature CN102024606A discloses a kind of three station isolation grounding switchs, comprises housing, in housing, by being provided with successively from left to right, isolates quiet end pieces, moved end parts and the quiet end pieces of ground connection.Wherein, the moved end parts comprise that the movable contact block and the left and right guiding movement that are installed in housing inner chamber middle part are assemblied in the moving contact in movable contact block, eight spaced apart the first spring touch fingers in left and right have been sticked on the movable contact block inner peripheral surface, eight the first spring touch fingers are divided into two groups, and wherein one group is positioned at the left part of movable contact block endoporus, the right part that another group is positioned at the movable contact block endoporus; Isolate quiet end pieces and comprise that insulation is installed in the isolation fixed contact in housing inner chamber left side, the isolation fixed contact is the tubular structure of right-end openings, and two spaced apart the second spring touch fingers in left and right have been sticked on inner circumferential surface; The quiet end pieces of ground connection comprises that insulation is installed in the grounding static contact on housing inner chamber right side, and grounding static contact is the tubular structure of left end opening, and two spaced apart the 3rd spring touch fingers in left and right have been sticked on inner circumferential surface.The course of work of this isolation earthing switch is as follows: when moving contact moves to left, with isolating fixed contact, peg graft while coordinating, isolating switch closes a floodgate, and earthed switch is in gate-dividing state at this moment; When moving contact moves to right, with grounding static contact, peg graft while coordinating, earthed switch closes a floodgate, and isolating switch is in gate-dividing state at this moment; When moving contact mediates position, the equal separating brake of isolating switch and earthed switch.The isolation earthing switch of this structure, the first spring touch finger is guaranteed the conductive effect between moving contact and movable contact block, when the second spring touch finger has guaranteed that isolating switch closes a floodgate, moving contact left part and the conductive effect of isolating fixed contact, and the 3rd spring touch finger has been while having guaranteed that earthed switch closes a floodgate, the conductive effect of moving contact right part and grounding static contact; But in isolation fixed contact, movable contact block and grounding static contact, fingertip is housed all, has increased undoubtedly the workload of product cost and assembling.
The utility model content
The purpose of this utility model is to provide a kind of three station isolation grounding switchs, in order to solve existing three station isolation grounding switchs because the cost that the quantity of fingertip causes more is high, the problem of assembling trouble.
three station isolation grounding switchs of the present utility model adopt following technical scheme: a kind of three station isolation grounding switchs, comprise housing, in housing, by being provided with successively from left to right, isolate quiet end pieces, the quiet end pieces of moved end parts and ground connection, the moved end parts comprise that movable contact block and left and right guiding movement are assemblied in the moving contact in movable contact block, the left part of moving contact is be moved to the left and isolate quiet end pieces and peg graft and coordinates to realize the left Plug Division of isolating switch combined floodgate, right part is to move right to peg graft and coordinate to be grounded the right Plug Division that switch closes a floodgate with the quiet end pieces of ground connection, on the left Plug Division of described moving contact, be arranged with when isolating switch closes a floodgate the inner hole surface conductive contact with the isolation fixed contact of the quiet end pieces of isolation, and when earthed switch closes a floodgate and movable contact block the first watchband-shaped contactor of conductive contact all the time, on the right Plug Division of moving contact, be arranged with when earthed switch closes a floodgate and the inner hole surface conductive contact of the grounding static contact of the quiet end pieces of ground connection, and when isolating switch closes a floodgate and movable contact block the second watchband-shaped contactor of conductive contact all the time.
The incision position that forms between described isolation fixed contact and moving contact is provided with the Isolated Shield cover in the isolation fixed contact cover is located at, and the incision position that forms between described grounding static contact and moving contact is provided with the ground shield in grounding static contact is located at.
The left side that is positioned at the first watchband-shaped contactor on outer peripheral face corresponding to described left Plug Division is gone back fixed cover and is provided with the first guide ring, and the right side that is positioned at the second watchband-shaped contactor on outer peripheral face corresponding to described right Plug Division also fixed cover is provided with the second guide ring.
The right-hand member of described moving contact is installed with the insulated tension pole that extends and pass the grounding static contact endoporus to the right, and the right-hand member of insulated tension pole is for for being in transmission connection to realize the power place input of moving contact side-to-side movement with transmission mechanism.
following technical scheme is adopted in the galvanic circle of three station isolation grounding switchs of the present utility model: a kind of galvanic circle of three station isolation grounding switchs, comprise by the isolation fixed contact that sets gradually from left to right, moved end parts and grounding static contact, the moved end parts comprise that movable contact block and left and right guiding movement are assemblied in the moving contact in movable contact block, the left part of moving contact is be moved to the left and isolate fixed contact and peg graft and to coordinate to realize the left Plug Division of isolating switch combined floodgate, right part is to move right to peg graft and coordinate to be grounded the right Plug Division that switch closes a floodgate with grounding static contact, on the left Plug Division of described moving contact, be arranged with when isolating switch closes a floodgate the inner hole surface conductive contact with the isolation fixed contact, and when earthed switch closes a floodgate and movable contact block the first watchband-shaped contactor of conductive contact all the time, on the right Plug Division of moving contact, be arranged with when earthed switch closes a floodgate and the inner hole surface conductive contact of grounding static contact, and when isolating switch closes a floodgate and movable contact block the second watchband-shaped contactor of conductive contact all the time.
The incision position that forms between described isolation fixed contact and moving contact is provided with the Isolated Shield cover in the isolation fixed contact cover is located at, and the incision position that forms between described grounding static contact and moving contact is provided with the ground shield in grounding static contact is located at.
The left side that is positioned at the first watchband-shaped contactor on outer peripheral face corresponding to described left Plug Division is gone back fixed cover and is provided with the first guide ring, and the right side that is positioned at the second watchband-shaped contactor on outer peripheral face corresponding to described right Plug Division also fixed cover is provided with the second guide ring.
The right-hand member of described moving contact is installed with the insulated tension pole that extends and pass the grounding static contact endoporus to the right, and the right-hand member of insulated tension pole is for for being in transmission connection to realize the power place input of moving contact side-to-side movement with transmission mechanism.
Adopt three station isolation grounding switchs of said structure, on left Plug Division due to moving contact, be arranged with the first watchband-shaped contactor, the first watchband-shaped contactor can be guaranteed when isolating switch closes a floodgate, conductive effect between moving contact and isolation fixed contact, and on the right Plug Division of moving contact, be arranged with the second watchband-shaped contactor, when the second watchband-shaped contactor can guarantee that earthed switch closes a floodgate, the conductive effect between moving contact and grounding static contact; Simultaneously, in the isolating switch making process, the second watchband-shaped contactor contacts with movable contact block all the time, guarantee the galvanic circle conducting of isolating switch, and in the earthed switch making process, the first watchband-shaped contactor contacts with movable contact block all the time, guarantees the conducting of the galvanic circle of earthed switch.Therefore, three station isolation grounding switchs of this structure, only in two ends of moving contact, the normal divide-shut brake that watchband-shaped contactor can be realized three station isolation grounding switchs is set, reduced to greatest extent the usage quantity of watchband-shaped contactor, compared with prior art, reduce product cost, also greatly simplified the assembling of fingertip simultaneously, improved efficiency of assembling.
The accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Fig. 2 is the isolating switch "on" position schematic diagram in Fig. 1;
Fig. 3 is the earthed switch "on" position schematic diagram in Fig. 1.
Embodiment
The embodiment of three station isolation grounding switchs of the present utility model: as Figure 1-3, comprise the housing (not shown), isolate quiet end pieces, moved end parts and the quiet end pieces of ground connection by being provided with successively from left to right in housing.
The quiet end pieces of described isolation comprises that quiet end supports 1, isolates fixed contact 9 and static arc contact 8, quiet end support 1 is installed in the left side of housing inner chamber, its right side is provided with an isolation fixed contact pilot hole, isolation fixed contact 9 is the tubular structure of right-end openings, its left end is installed on the bottom surface, hole of isolation fixed contact pilot hole, and an end of static arc contact 8 is installed on the bottom surface, hole of isolation fixed contact 9.
The quiet end pieces of described ground connection comprises the grounding static contact 7 that is installed in housing inner chamber right side, and grounding static contact 7 is hollow multidiameter left small and right large, axially bored line and the endoporus dead in line of isolating fixed contact 9 in it.
Described moved end parts comprise the movable contact block 4 that is installed in place, housing inner chamber middle part, the interior adaptation of movable contact block 4 is fitted with the moving contact 5 of left and right guiding movement, on the left side of moving contact 5, offer a moving arcing contact pilot hole, in the moving arcing contact pilot hole, be equipped with the moving arcing contact 11 of pegging graft and coordinating with static arc contact 8.The left part of moving contact 5 is for pegging graft and coordinate the left Plug Division of realizing that isolating switch closes a floodgate with isolation fixed contact 9, fixed cover is provided with first watchband-shaped contactor 10 on left Plug Division, the first watchband-shaped contactor 10 can be guaranteed when isolating switch closes a floodgate, the conductive effect between moving contact 5 and isolation fixed contact 9; The right part of moving contact is for pegging graft and coordinate to be grounded the right Plug Division that switch closes a floodgate with grounding static contact 7, fixed cover is provided with second watchband-shaped contactor 12 on right Plug Division, when the second watchband-shaped contactor 12 can guarantee that earthed switch closes a floodgate, the conductive effect between moving contact 5 and grounding static contact 7.In the present embodiment, the position of the first watchband-shaped contactor 10 and the second watchband-shaped contactor 12 should guarantee that in the isolating switch making process the second watchband-shaped contactor 12 contacts with movable contact block 4 all the time, and in the earthed switch making process, the first watchband-shaped contactor 10 contacts with movable contact block 4 all the time.Right-hand member at moving contact 5 is installed with an insulated tension pole 14 that extends to the right, the right-hand member of insulated tension pole 14 passes after grounding static contact 7 for transmission mechanism, being in transmission connection, under the driving of transmission mechanism, insulated tension pole 14 drives moving contact 5 side-to-side movements, and the right-hand member of insulated tension pole 14 is power intake.
As further optimization, insulation breakdown appears in order to prevent the fracture that forms between moving contact 5 and isolation fixed contact 9, at this incision position, be provided with one and will isolate the Isolated Shield cover 2 of fixed contact 9 in being located at; In order to prevent that insulation breakdown from appearring in the fracture that forms between moving contact 5 and grounding static contact 7, at this incision position, be provided with a ground shield 13 in grounding static contact 7 is located at, can optimize like this two electric fields between fracture, guarantee the insulation property of product.
As further optimization, the left side that is positioned at the first watchband-shaped contactor 10 on outer peripheral face corresponding to left Plug Division is gone back fixed cover and is provided with the first guide ring 3, and the right side that is positioned at the second watchband-shaped contactor 12 on outer peripheral face corresponding to described right Plug Division also fixed cover is provided with the second guide ring 6.In the present embodiment, the internal diameter size adaptation of the outside dimension of two guide rings and movable contact block 4, like this in the process of moving contact 5 side-to-side movements, two guide rings and movable contact block 4 guiding are slidably matched, simultaneously, the material that guide ring uses has certain self lubricity, can greatly reduce the friction of guide ring in motion process, thereby makes motion mild.
The course of work of above-described embodiment is as follows: under state shown in Figure 1, when under the drive of insulated tension pole 14 at transmission mechanism during to left movement, under the effect of the first guide ring 3, moving arcing contact 11 first contacts with static arc contact 8, insulated tension pole 14 continues to left movement, and the first watchband-shaped contactor 10 contacts with isolation fixed contact 9, until move to state shown in Figure 2, isolating switch closes a floodgate and completes, and this moment, earthed switch was in gate-dividing state.In whole motion process, the second watchband-shaped contactor 12 contacts with movable contact block 4 all the time, and when isolating switch closed a floodgate, isolation fixed contact 9, the first watchband-shaped contactor 10, moving contact 5, the second fingertip 12, movable contact block 4 formed the galvanic circle of isolating switch.
Under state shown in Figure 1, when under the drive of insulated tension pole 14 at transmission mechanism, moving right, under the effect of the second guide ring 6, the second watchband-shaped contactor 12 contacts with grounding static contact 7, until move to state shown in Figure 3, earthed switch closes a floodgate and completes, and this moment, isolating switch was in gate-dividing state.In whole motion process, the first watchband-shaped contactor 10 contacts with movable contact block all the time, and when isolating switch closed a floodgate, grounding static contact 7, the second watchband-shaped contactor 12, moving contact 5, the first watchband-shaped contactor 10 and movable contact block 4 formed the galvanic circle of earthed switch.
The embodiment of the galvanic circle of three station isolation grounding switchs of the present utility model: as Figure 1-3, structure corresponding to its structure and the galvanic circle in above-described embodiment is consistent, and its content does not repeat them here.
Claims (8)
1. station isolation grounding switch, comprise housing, in housing, by being provided with successively from left to right, isolate quiet end pieces, the quiet end pieces of moved end parts and ground connection, the moved end parts comprise that movable contact block and left and right guiding movement are assemblied in the moving contact in movable contact block, the left part of moving contact is be moved to the left and isolate quiet end pieces and peg graft and coordinates to realize the left Plug Division of isolating switch combined floodgate, right part is to move right to peg graft and coordinate to be grounded the right Plug Division that switch closes a floodgate with the quiet end pieces of ground connection, it is characterized in that: on the left Plug Division of described moving contact, be arranged with when isolating switch closes a floodgate the inner hole surface conductive contact with the isolation fixed contact of the quiet end pieces of isolation, and when earthed switch closes a floodgate and movable contact block the first watchband-shaped contactor of conductive contact all the time, on the right Plug Division of moving contact, be arranged with when earthed switch closes a floodgate and the inner hole surface conductive contact of the grounding static contact of the quiet end pieces of ground connection, and when isolating switch closes a floodgate and movable contact block the second watchband-shaped contactor of conductive contact all the time.
2. three station isolation grounding switchs according to claim 1, it is characterized in that: the incision position that forms between described isolation fixed contact and moving contact is provided with the Isolated Shield cover in the isolation fixed contact cover is located at, and the incision position that forms between described grounding static contact and moving contact is provided with the ground shield in grounding static contact is located at.
3. three station isolation grounding switchs according to claim 1, it is characterized in that: the left side that is positioned at the first watchband-shaped contactor on outer peripheral face corresponding to described left Plug Division is gone back fixed cover and is provided with the first guide ring, and the right side that is positioned at the second watchband-shaped contactor on outer peripheral face corresponding to described right Plug Division also fixed cover is provided with the second guide ring.
4. according to claim 1 and 2 or 3 described three station isolation grounding switchs, it is characterized in that: the right-hand member of described moving contact is installed with the insulated tension pole that extends and pass the grounding static contact endoporus to the right, and the right-hand member of insulated tension pole is for for being in transmission connection to realize the power place input of moving contact side-to-side movement with transmission mechanism.
5. the galvanic circle of a station isolation grounding switch, comprise by the isolation fixed contact that sets gradually from left to right, moved end parts and grounding static contact, the moved end parts comprise that movable contact block and left and right guiding movement are assemblied in the moving contact in movable contact block, the left part of moving contact is be moved to the left and isolate fixed contact and peg graft and to coordinate to realize the left Plug Division of isolating switch combined floodgate, right part is to move right to peg graft and coordinate to be grounded the right Plug Division that switch closes a floodgate with grounding static contact, it is characterized in that: on the left Plug Division of described moving contact, be arranged with when isolating switch closes a floodgate the inner hole surface conductive contact with the isolation fixed contact, and when earthed switch closes a floodgate and movable contact block the first watchband-shaped contactor of conductive contact all the time, on the right Plug Division of moving contact, be arranged with when earthed switch closes a floodgate and the inner hole surface conductive contact of grounding static contact, and when isolating switch closes a floodgate and movable contact block the second watchband-shaped contactor of conductive contact all the time.
6. the galvanic circle of three station isolation grounding switchs according to claim 5, it is characterized in that: the incision position that forms between described isolation fixed contact and moving contact is provided with the Isolated Shield cover in the isolation fixed contact cover is located at, and the incision position that forms between described grounding static contact and moving contact is provided with the ground shield in grounding static contact is located at.
7. the galvanic circle of three station isolation grounding switchs according to claim 5, it is characterized in that: the left side that is positioned at the first watchband-shaped contactor on outer peripheral face corresponding to described left Plug Division is gone back fixed cover and is provided with the first guide ring, and the right side that is positioned at the second watchband-shaped contactor on outer peripheral face corresponding to described right Plug Division also fixed cover is provided with the second guide ring.
8. the galvanic circle of according to claim 5 or 6 or 7 described three station isolation grounding switchs, it is characterized in that: the right-hand member of described moving contact is installed with the insulated tension pole that extends and pass the grounding static contact endoporus to the right, and the right-hand member of insulated tension pole is for for being in transmission connection to realize the power place input of moving contact side-to-side movement with transmission mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202943345U CN203300530U (en) | 2013-05-27 | 2013-05-27 | Three-location isolation ground switch and its conductive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202943345U CN203300530U (en) | 2013-05-27 | 2013-05-27 | Three-location isolation ground switch and its conductive circuit |
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| Publication Number | Publication Date |
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| CN203300530U true CN203300530U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202943345U Expired - Fee Related CN203300530U (en) | 2013-05-27 | 2013-05-27 | Three-location isolation ground switch and its conductive circuit |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244223A (en) * | 2015-10-09 | 2016-01-13 | 维龙（镇江）电工研究院有限公司 | Three-station direct drive load switch single-phase module |
| CN108390304A (en) * | 2018-03-23 | 2018-08-10 | 华翔翔能电气股份有限公司 | Environment-friendly type air insulation ring main unit |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN109119280A (en) * | 2017-06-23 | 2019-01-01 | 河南平芝高压开关有限公司 | A kind of isolation earthing switch and the GIS device using the isolation earthing switch |
| CN109346368A (en) * | 2018-11-28 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of structure of contact terminal of guillotine type disconnecting switch |
| CN109671596A (en) * | 2017-10-17 | 2019-04-23 | 浙江正泰电器股份有限公司 | Breaker of plastic casing |
| CN110610828A (en) * | 2018-06-14 | 2019-12-24 | 平高集团有限公司 | Switch assembly and static contact assembly thereof |
| CN111105951A (en) * | 2018-10-29 | 2020-05-05 | 平高集团有限公司 | High-voltage switch and resistance static contact thereof |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
| CN113327805A (en) * | 2021-06-07 | 2021-08-31 | 陈石川 | Closed switch and working method thereof |
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2013
- 2013-05-27 CN CN2013202943345U patent/CN203300530U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244223A (en) * | 2015-10-09 | 2016-01-13 | 维龙（镇江）电工研究院有限公司 | Three-station direct drive load switch single-phase module |
| CN105244223B (en) * | 2015-10-09 | 2018-12-04 | 维龙（镇江）电工研究院有限公司 | Three station direct acting type on-load switch single-phase modules |
| CN109119280A (en) * | 2017-06-23 | 2019-01-01 | 河南平芝高压开关有限公司 | A kind of isolation earthing switch and the GIS device using the isolation earthing switch |
| CN109119280B (en) * | 2017-06-23 | 2021-10-29 | 河南平芝高压开关有限公司 | Isolation grounding switch and GIS equipment using same |
| CN109671596B (en) * | 2017-10-17 | 2024-03-26 | 浙江正泰电器股份有限公司 | Plastic case circuit breaker |
| CN109671596A (en) * | 2017-10-17 | 2019-04-23 | 浙江正泰电器股份有限公司 | Breaker of plastic casing |
| CN108390304A (en) * | 2018-03-23 | 2018-08-10 | 华翔翔能电气股份有限公司 | Environment-friendly type air insulation ring main unit |
| CN108390304B (en) * | 2018-03-23 | 2019-07-30 | 华翔翔能电气股份有限公司 | Environment-friendly type air insulation ring network cabinet |
| CN110610828A (en) * | 2018-06-14 | 2019-12-24 | 平高集团有限公司 | Switch assembly and static contact assembly thereof |
| CN110610828B (en) * | 2018-06-14 | 2021-10-01 | 平高集团有限公司 | Switch assembly and static contact assembly thereof |
| CN108538675A (en) * | 2018-06-21 | 2018-09-14 | 亚洲电力设备(深圳)股份有限公司 | A kind of transmission mechanism for 40.5kV switchgear disconnecting switch |
| CN111105951A (en) * | 2018-10-29 | 2020-05-05 | 平高集团有限公司 | High-voltage switch and resistance static contact thereof |
| CN111105951B (en) * | 2018-10-29 | 2022-07-05 | 平高集团有限公司 | High-voltage switch and resistance static contact thereof |
| CN109346368A (en) * | 2018-11-28 | 2019-02-15 | 许继（厦门）智能电力设备股份有限公司 | A kind of structure of contact terminal of guillotine type disconnecting switch |
| CN113035627A (en) * | 2021-03-29 | 2021-06-25 | 山东泰开电力开关有限公司 | Single box-separating type linear three-position switch structure and using method thereof |
| CN113035627B (en) * | 2021-03-29 | 2023-12-29 | 山东泰开电力开关有限公司 | Single-body split-box type linear three-position switch structure and use method thereof |
| CN113327805A (en) * | 2021-06-07 | 2021-08-31 | 陈石川 | Closed switch and working method thereof |
| CN113327805B (en) * | 2021-06-07 | 2024-03-26 | 陈石川 | Enclosed switch and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: PINGGAO ELECTRIC CO., LTD., HENAN PINGGAO GROUP CO Free format text: FORMER OWNER: PINGGAO GROUP CO., LTD. Effective date: 20140314 |
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Effective date of registration: 20140314 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: Pinggao Electric Co., Ltd., Henan Patentee after: Pinggao Group Co., Ltd. Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Grid Corporation of China Patentee before: Pinggao Group Co., Ltd. |
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Effective date of registration: 20161230 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Power Networks Co Patentee after: Pinggao Electric Co., Ltd., Henan Patentee after: Pinggao Group Co., Ltd. Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company Patentee after: Henan high General Electric Co., Ltd. Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee before: State Power Networks Co Patentee before: Pinggao Electric Co., Ltd., Henan Patentee before: Pinggao Group Co., Ltd. Patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20131120 Termination date: 20180527 |