CN201853638U - Solid insulating three-position electrical isolation device and isolation unit - Google Patents
Solid insulating three-position electrical isolation device and isolation unit Download PDFInfo
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- CN201853638U CN201853638U CN201020620954XU CN201020620954U CN201853638U CN 201853638 U CN201853638 U CN 201853638U CN 201020620954X U CN201020620954X U CN 201020620954XU CN 201020620954 U CN201020620954 U CN 201020620954U CN 201853638 U CN201853638 U CN 201853638U
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- 238000002955 isolation Methods 0.000 title claims abstract description 161
- 239000007787 solid Substances 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 claims abstract description 61
- 239000011810 insulating material Substances 0.000 claims abstract description 9
- 230000003068 static effect Effects 0.000 claims description 51
- 230000005611 electricity Effects 0.000 claims description 40
- 230000033001 locomotion Effects 0.000 claims description 25
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The utility model relates to a solid insulating three-position electrical isolation device, which comprises three phases of three-position electrical isolation units, wherein each phase of three-position electrical isolation unit comprises an insulation box, a wire inlet end and a wire outlet end; the wire inlet end and the wire outlet end are arranged in the insulation box; and the insulation box is made of solid insulating material and is integrated with the wire inlet end and the wire outlet end. In the solid insulating three-position electrical isolation device and the isolation units, the box body of the isolation device is made of the solid insulating material so as to realize solid insulation; and compared with the prior art, the space size is greatly reduced, the structure is simple and firm, accidents such as electric shock and the like are effectively avoided, and the service life of a switch is prolonged.
Description
Technical field
The utility model relates to the distribution technique field, be particularly related to a kind of solid insulation three station electricity isolation device and isolated locations, specifically a kind of solid insulation three station electricity isolation device and isolated locations that are used for the closing of switchgears such as ring main unit, branch, ground connection.
Background technology
The tank material that three station electricity isolation devices of prior art adopt is metal material, in order to reach safe distance, generally adopts air insulation and gas insulation mode.Air insulation is because volume is big, and the insulation property difference is tending towards the trend of eliminating substantially; Gas isolated insulation property height, but for box sealing requirement height, processing technology complexity, cost and maintenance cost height, and gas-insulated generally adopts SF6 gas, and this gas is greenhouse gases, after high arc temperature is decomposed, have toxicity, also do not meet environmental requirement.
The utility model content
The utility model embodiment provides a kind of solid insulation three station electricity isolation device and isolated locations, adopts the solid insulation mode to solve prior art problems.
One of the purpose of this utility model is, a kind of solid insulation three station electricity isolation devices are provided, and this device comprises three-phase three-station electrical isolation unit, and every phase three station electrical isolation unit comprise: insulated case, end of incoming cables and leading-out terminal; End of incoming cables and leading-out terminal are arranged within the insulated case; Insulated case is made by solid insulating material, and integrally formed with end of incoming cables and leading-out terminal.
Every phase three station electrical isolation unit also comprise: static contact seat, ground connection touch base and isolation switch; Static contact seat, ground connection touch base and isolation switch are arranged within the insulated case; Static contact seat is connected with the end of incoming cables; One end of isolation switch is connected with leading-out terminal, and the other end moves between static contact seat and ground connection touch base.
The isolation switch of the three-phase three-station electrical isolation unit of present embodiment is synchronized with the movement; When isolation switch contacted with static contact seat, solid insulation three station electricity isolation devices were in the closing position; When isolation switch contacted with the ground connection touch base, solid insulation three station electricity isolation devices were in the ground connection position; When isolation switch was between static contact seat and ground connection touch base, solid insulation three station electricity isolation devices were in sub-gate position.
The solid insulation three station electricity isolation devices of present embodiment also comprise: control unit; Control unit is positioned at the insulated case top of three-phase three-station electrical isolation unit, and the isolation switch that is used to drive every phase three station electrical isolation unit is synchronized with the movement between static contact seat and ground connection touch base.
Control unit comprises: one group of rotating unit and three groups of gear units; Rotating unit connects every group of gear unit, and three groups of gear units connect the isolation switch of three-phase three-station electrical isolation unit respectively; Rotation by rotating unit drives the motion of gear unit, and and then the isolation switch that drives three-phase three-station electrical isolation unit between static contact seat and ground connection touch base, be synchronized with the movement.
Rotating unit comprises: operating mechanism, mechanism driving axle, bevel gears and isolation axle; Gear unit comprises: connecting lever, insulated tension pole and movable touch knife connecting lever; The two ends of the insulated tension pole of every group of gear unit are connected with the movable touch knife connecting lever with connecting lever respectively; Operating mechanism drives bevel gears by the mechanism driving axle and rotates, bevel gears connects with the isolation axle key, isolate axle and the terminal keyed jointing of the connecting lever of every group of gear unit, one end of connecting lever top and insulated tension pole is hinged, one end of the other end of insulated tension pole and movable touch knife connecting lever is hinged, and the other end of movable touch knife connecting lever is fixedlyed connected with isolation switch.
Every phase three station electrical isolation unit also comprise: gathering sill; Gathering sill is arranged on the static contact seat and the insulated case madial wall between the ground connection touch base of every phase three station electrical isolation unit, makes the path movement of isolation switch along gathering sill.
Two of the purpose of this utility model is, a kind of three station electrical isolation unit are provided, and this isolated location comprises: insulated case, end of incoming cables and leading-out terminal; End of incoming cables and leading-out terminal are arranged within the insulated case; Insulated case is made by solid insulating material, and integrally formed with end of incoming cables and leading-out terminal.
Isolated location also comprises: static contact seat, ground connection touch base and isolation switch; Static contact seat, ground connection touch base and isolation switch are arranged within the insulated case; Static contact seat is connected with the end of incoming cables; One end of isolation switch is connected with leading-out terminal, and the other end moves between static contact seat and ground connection touch base.
Isolated location also comprises: gathering sill; Gathering sill is arranged on the insulated case madial wall between static contact seat and the ground connection touch base, makes the path movement of isolation switch along gathering sill.
Three station electricity isolation device and isolated locations of the present utility model are made the casing employing solid insulating material of spacer assembly, to realize solid insulation; Compared with prior art, bulk reduces greatly, and simple in structure firm, and unexpected generation the such as get an electric shock when having avoided maintenance prolonged switch useful life.
Description of drawings
In order to be illustrated more clearly in the technical scheme among the utility model embodiment, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sub-gate position structural representation of the utility model embodiment solid insulation three station electricity isolation devices;
Fig. 2 is the ground connection bit architecture schematic diagram of the utility model embodiment solid insulation three station electricity isolation devices;
Fig. 3 is the closing position structural representation of the utility model embodiment solid insulation three station electricity isolation devices;
Fig. 4 is the vertical view of the utility model embodiment solid insulation three station electricity isolation devices;
Fig. 5 is the ground connection position end view of the utility model embodiment solid insulation three station electricity isolation devices.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment is clearer,, the technical scheme among the utility model embodiment is clearly and completely described below in conjunction with the accompanying drawing among the utility model embodiment.Obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment 1:
Shown in Fig. 1-5, the solid insulation three station electricity isolation devices of present embodiment comprise: three-phase solid insulation three station electrical isolation unit, and every phase solid insulation three station electrical isolation unit comprise: insulated case 14, end of incoming cables 8 and leading-out terminal 10; End of incoming cables 8 and leading-out terminal 10 are arranged within the insulated case 14; Insulated case 14 is made by insulating material, and integrally formed with end of incoming cables 8 and leading-out terminal 10.
Every phase solid insulation three station electrical isolation unit also comprise: static contact seat 9, ground connection touch base 13 and isolation switch 11; Static contact seat 9, ground connection touch base 13 and isolation switch 11 are arranged within the insulated case 14; Static contact seat 9 is connected with end of incoming cables 8; One end of isolation switch 11 is connected with leading-out terminal 10, and the other end moves between static contact seat 9 and ground connection touch base 13.
The isolation switch of the three-phase solid insulation three station electrical isolation unit of present embodiment is synchronized with the movement; When isolation switch 11 contacted with static contact seat 9, solid insulation three station electricity isolation devices were in closing position (as shown in Figure 3); When isolation switch 11 contacted with ground connection touch base 13, solid insulation three station electricity isolation devices were in ground connection position (as shown in Figure 2); When isolation switch 11 was between static contact seat 9 and ground connection touch base 13, solid insulation three station electricity isolation devices were in sub-gate position (as shown in Figure 1).
Generally, the solid insulation three station electricity isolation devices of present embodiment are in the closing position, do not influence the normal operation of other external equipments, need be with solid insulation three station electricity isolation device disconnecting links and static contact seat closure during combined floodgate; When needs have a power failure and disconnect on-load switch, isolation switch 11 is rotated 55 °, isolation switch 11 and static contact seat 9 are disconnected, between static contact seat 9 and ground connection touch base 13, produce obvious fracture this moment, spacer assembly is in sub-gate position, satisfies the requirement of power industry operational procedure; When carrying out line maintenance, isolation switch 11 is rotated 110 °, contact with ground connection touch base 13, this moment, spacer assembly was in the ground connection position, avoided the injury of residual voltage to the maintainer.
The three-phase solid insulation three station electricity isolation devices of present embodiment also comprise: control unit; Control unit is positioned at insulated case 14 tops of three-phase solid insulation three station electrical isolation unit, and the isolation switch 11 that is used to drive every phase solid insulation three station electrical isolation unit is synchronized with the movement between static contact seat 9 and ground connection touch base 13.
The control unit of present embodiment comprises: one group of rotating unit and three groups of gear units; Rotating unit connects every group of gear unit, and three groups of gear units connect the isolation switch 11 that connects three-phase solid insulation three station electrical isolation unit respectively; Rotation by rotating unit drives the motion of gear unit, and and then the isolation switch 11 that drives three-phase solid insulation three station electrical isolation unit between static contact seat 9 and ground connection touch base 13, be synchronized with the movement.
The rotating unit of present embodiment comprises: operating mechanism 3, mechanism driving axle 4, bevel gears 5 and isolation axle 6; Gear unit comprises: connecting lever 2, insulated tension pole 1 and movable touch knife connecting lever 7; The two ends of the insulated tension pole 1 of every group of gear unit are connected with movable touch knife connecting lever 7 with connecting lever 2 respectively; Operating mechanism 3 drives bevel gears 5 by mechanism driving axle 4 and rotates, a bevel gears 5 and isolation axle 6 keyed jointings, the connecting lever 2 terminal keyed jointings of isolating axle 6 and every group of gear unit, one end of connecting lever 2 tops and insulated tension pole 1 is hinged, one end of the other end of insulated tension pole 1 and movable touch knife connecting lever 7 is hinged, and the other end of movable touch knife connecting lever 7 is fixedlyed connected with isolation switch 11.
Every phase solid insulation three station electrical isolation unit of present embodiment also comprise: gathering sill 12, be arranged on the madial wall of the static contact seat 9 of every phase solid insulation three station electrical isolation unit and the insulated case 14 between the ground connection touch base 13, make the path movement of isolation switch 11 along gathering sill 12.
Need to prove: present embodiment has provided a kind of concrete structure of realizing control unit, but said structure only is used for principle of the present utility model is made an explanation but not its protection range is limited.This area ordinary person should understand; other similar structures that can realize above-mentioned control unit function is too numerous to enumerate; therefore; as long as can realize the function of present embodiment control unit, promptly can drive isolation switch 11 static contact seat 9 and ground connection touch base 13 between other homogeneous structure of being synchronized with the movement all within the protection range of the utility model claim.Control unit in the present embodiment solid insulation three station electricity isolation devices can adopt manual actuating or electronic actuating to realize.
Describe the operation principle of present embodiment solid insulation three station electricity isolation devices in detail below in conjunction with Fig. 1-Fig. 5.
This example is implemented solid insulation three station electricity isolation devices and is applicable to that the solid insulation three station electricity isolation devices of present embodiment comprise on the switchgear such as ring main unit: insulated tension pole 1, connecting lever 2, operating mechanism 3, mechanism driving axle 4, bevel gears 5, isolate axle 6, movable touch knife connecting lever 7, end of incoming cables 8, static contact seat 9, leading-out terminal 10, isolation switch 11, gathering sill 12, ground connection touch base 13, casing 14.
End of incoming cables 8, leading-out terminal 9 and casing 14 are integrally formed.End of incoming cables 8 is connected with static contact seat 9, and an end of isolation switch 11 links to each other with leading-out terminal 10, and the other end moves between static contact seat 8 and ground connection touch base 13.Gathering sill 12 is equipped with housing bottom in inwall end of incoming cables below, can guarantee that disconnecting link 11 accurately goes into the position.Fixedly connected movable touch knife connecting lever 7 on the isolation switch 11, insulated tension pole 1 two ends are hinged with an end of connecting lever 2 with movable touch knife connecting lever 7 respectively.The other end of connecting lever 2 links to each other with isolation axle 6, links to each other with operating mechanism 3 with mechanism driving axle 4 by bevel gears 5.
As shown in Figure 1, when implementing to open a sluice gate to operate, operating mechanism 3 lead agency power transmission shafts 4 rotate counterclockwise 40 °, mechanism driving axle 4 is connected to a gear of bevel gears 5, bevel gears 5 setting in motions under the drive of mechanism driving axle 4, and another gear of bevel gears 5 and isolation axle 6 keyed jointings, being welded on connecting lever 2 beginnings of isolating on the axle 6 rotates counterclockwise, its rotational angle also is 40 °, connecting lever 2 tops and insulated tension pole 1 one ends are hinged, insulated tension pole 1 other end and movable touch knife connecting lever 7 are hinged, and movable touch knife connecting lever 7 is fixedly mounted on the isolation switch 11, isolation switch 11 1 ends and leading-out terminal are hinged, the other end of isolation switch can be rotated between static contact seat 9 and ground connection touch base 13, connecting lever 2 drives insulated tension pole 1 and moves downward 55 ° with the movable touch knife connecting lever 7 final isolation switchs 11 that drive, and makes isolation switch 11 be in sub-gate position.
As shown in Figure 2, when needs ground connection is operated, operating mechanism 3 lead agency power transmission shafts 4 continue to rotate counterclockwise 40 °, by the above-mentioned kind of drive, isolation switch 11 rotates counterclockwise 55 °, this moment, isolation switch 11 meshed fully with ground connection touch base 13, during, gathering sill 12 can guarantee that isolation switch 11 and ground connection touch base 13 accurately mesh.
As shown in Figure 3, when needs are implemented closing operation, operating mechanism 3 lead agency power transmission shafts 4 clockwise rotate, and at this moment, connecting lever 2 is by rotating in the bevel gears 5 beginning clockwise directions, therefore isolation switch 11 also rotates in the clockwise direction, and no matter be in sub-gate position this moment still is in the ground connection position, and isolation switch 11 equal first motions are to the closing position, with static contact seat 9 engagements under the drive of operating mechanism 3, its motion process with from the sub-gate position that closes a floodgate, the ground connection position motion process that closes a floodgate is opposite.
The utility model solid insulation three station electricity isolation devices adopt the solid insulation mode, and simple in structure, firm, volume is little, and the Installation and Debugging ratio is easier to, and imitate unexpected generation the such as get an electric shock when having avoided maintenance, have prolonged switch useful life, reliability height.
Embodiment 2:
Present embodiment provides a kind of solid insulation three station electrical isolation unit, and this electrical isolation unit is every phase electrical isolation unit of electricity isolation device among the embodiment 1.
Refer again to Fig. 1, the solid insulation three station electrical isolation unit of present embodiment comprise: insulated case 14, end of incoming cables 8 and leading-out terminal 10; End of incoming cables 8 and leading-out terminal 10 are arranged within the insulated case 14; Insulated case 14 is made by insulating material, and integrally formed with end of incoming cables 8 and leading-out terminal 10.
The isolated location of present embodiment also comprises: static contact seat 9, ground connection touch base 13 and isolation switch 11; Static contact seat 9, ground connection touch base 13 and isolation switch 11 are arranged within the insulated case 14; Static contact seat 9 is connected with end of incoming cables 8; One end of isolation switch 11 is connected with leading-out terminal 10, and the other end moves between static contact seat 9 and ground connection touch base 13.
The isolated location of present embodiment also comprises: gathering sill 12; Gathering sill 12 is arranged on the insulated case madial wall between static contact seat 9 and the ground connection touch base 13, makes the path movement of isolation switch 11 along gathering sill 12.
In order to realize the motion of isolation switch 11, the isolated location of present embodiment also needs to connect a control unit, is driven the motion of isolation switch by this control unit.Because the structure and the actuating principle thereof of control unit are described in detail in embodiment 1, repeat no more herein.
The utility model three station electricity isolation devices adopt the solid insulation mode, and simple in structure, firm, volume is little, and the Installation and Debugging ratio is easier to, and imitate unexpected generation the such as get an electric shock when having avoided maintenance, have prolonged switch useful life, reliability height.
Above embodiment only in order to the technical scheme of explanation the utility model embodiment, is not intended to limit; Although the utility model embodiment is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model embodiment.
Claims (10)
1. solid insulation three station electricity isolation devices is characterized in that described device comprises three-phase three-station electrical isolation unit, and every phase three station electrical isolation unit comprise: insulated case, end of incoming cables and leading-out terminal; Described end of incoming cables and leading-out terminal are arranged within the described insulated case; Described insulated case is made by solid insulating material, and integrally formed with described end of incoming cables and leading-out terminal.
2. solid insulation three station electricity isolation devices according to claim 1 is characterized in that, every phase three station electrical isolation unit also comprise: static contact seat, ground connection touch base and isolation switch;
Described static contact seat, ground connection touch base and isolation switch are arranged within the described insulated case; Described static contact seat is connected with described end of incoming cables; One end of described isolation switch is connected with described leading-out terminal, and the other end moves between described static contact seat and described ground connection touch base.
3. solid insulation three station electricity isolation devices according to claim 2 is characterized in that the isolation switch of described three-phase three-station electrical isolation unit is synchronized with the movement; When described isolation switch contacted with static contact seat, described solid insulation three station electricity isolation devices were in the closing position; When described isolation switch contacted with described ground connection touch base, described solid insulation three station electricity isolation devices were in the ground connection position; When described isolation switch was between described static contact seat and described ground connection touch base, described solid insulation three station electricity isolation devices were in sub-gate position.
4. solid insulation three station electricity isolation devices according to claim 2 is characterized in that described spacer assembly also comprises: control unit;
Described control unit is positioned at the insulated case top of described three-phase three-station electrical isolation unit, and the isolation switch that is used to drive every phase three station electrical isolation unit is synchronized with the movement between described static contact seat and described ground connection touch base.
5. solid insulation three station electricity isolation devices according to claim 4 is characterized in that described control unit comprises: one group of rotating unit and three groups of gear units; Described rotating unit connects every group of gear unit, and described three groups of gear units connect the isolation switch of three-phase three-station electrical isolation unit respectively; Drive the motion of described gear unit by the rotation of rotating unit, and and then the isolation switch that drives described three-phase three-station electrical isolation unit between described static contact seat and described ground connection touch base, be synchronized with the movement.
6. solid insulation three station electricity isolation devices according to claim 5 is characterized in that,
Described rotating unit comprises: operating mechanism, mechanism driving axle, bevel gears and isolation axle;
Described gear unit comprises: connecting lever, insulated tension pole and movable touch knife connecting lever; The two ends of the insulated tension pole of every group of gear unit are connected with described movable touch knife connecting lever with described connecting lever respectively;
Described operating mechanism drives described bevel gears by described mechanism driving axle and rotates, described bevel gears and described isolation axle key connect, described axle and the terminal keyed jointing of the connecting lever of every group of gear unit of isolating, one end of described connecting lever top and described insulated tension pole is hinged, one end of the other end of described insulated tension pole and described movable touch knife connecting lever is hinged, and the other end of described movable touch knife connecting lever is fixedlyed connected with described isolation switch.
7. solid insulation three station electricity isolation devices according to claim 2 is characterized in that, every phase three station electrical isolation unit also comprise: gathering sill;
Described gathering sill is arranged on the described static contact seat and the insulated case madial wall between the described ground connection touch base of every phase three station electrical isolation unit, makes the path movement of described isolation switch along described gathering sill.
8. a station electrical isolation unit is characterized in that described isolated location comprises: insulated case, end of incoming cables and leading-out terminal;
Described end of incoming cables and leading-out terminal are arranged within the described insulated case;
Described insulated case is made by solid insulating material, and integrally formed with described end of incoming cables and leading-out terminal.
9. three station electrical isolation unit according to claim 8 is characterized in that described isolated location also comprises: static contact seat, ground connection touch base and isolation switch;
Described static contact seat, ground connection touch base and isolation switch are arranged within the described insulated case; Described static contact seat is connected with described end of incoming cables; One end of described isolation switch is connected with described leading-out terminal, and the other end moves between described static contact seat and described ground connection touch base.
10. three station electrical isolation unit according to claim 9 is characterized in that described isolated location also comprises: gathering sill;
Described gathering sill is arranged on the insulated case madial wall between described static contact seat and the described ground connection touch base, makes the path movement of described isolation switch along described gathering sill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620954XU CN201853638U (en) | 2010-11-23 | 2010-11-23 | Solid insulating three-position electrical isolation device and isolation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020620954XU CN201853638U (en) | 2010-11-23 | 2010-11-23 | Solid insulating three-position electrical isolation device and isolation unit |
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| Publication Number | Publication Date |
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| CN201853638U true CN201853638U (en) | 2011-06-01 |
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| CN201020620954XU Expired - Lifetime CN201853638U (en) | 2010-11-23 | 2010-11-23 | Solid insulating three-position electrical isolation device and isolation unit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496498A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN103715006A (en) * | 2014-01-02 | 2014-04-09 | 浙江博益电气有限公司 | All-insulation side-mounting type high-voltage isolation switch |
| CN104465163A (en) * | 2014-12-25 | 2015-03-25 | 中国西电电气股份有限公司 | Three-position switch with switching on and self-locking functions |
| CN106229177A (en) * | 2016-08-20 | 2016-12-14 | 嘉兴市创辉电气工程有限公司 | A kind of double-throw knife-like switch of band brake lock |
| CN106451739A (en) * | 2016-08-20 | 2017-02-22 | 嘉兴市正辉电力设备有限公司 | Low-voltage switch cabinet |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
-
2010
- 2010-11-23 CN CN201020620954XU patent/CN201853638U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496498A (en) * | 2011-12-16 | 2012-06-13 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN102496498B (en) * | 2011-12-16 | 2014-05-14 | 常州瑞联电力科技有限公司 | Three-position switch transmission device |
| CN103715006A (en) * | 2014-01-02 | 2014-04-09 | 浙江博益电气有限公司 | All-insulation side-mounting type high-voltage isolation switch |
| CN104465163A (en) * | 2014-12-25 | 2015-03-25 | 中国西电电气股份有限公司 | Three-position switch with switching on and self-locking functions |
| CN104465163B (en) * | 2014-12-25 | 2017-03-29 | 中国西电电气股份有限公司 | A kind of three-station with combined floodgate self-locking |
| CN106229177A (en) * | 2016-08-20 | 2016-12-14 | 嘉兴市创辉电气工程有限公司 | A kind of double-throw knife-like switch of band brake lock |
| CN106451739A (en) * | 2016-08-20 | 2017-02-22 | 嘉兴市正辉电力设备有限公司 | Low-voltage switch cabinet |
| CN107680867A (en) * | 2017-11-21 | 2018-02-09 | 北京合纵科技股份有限公司 | A kind of auxiliary earth switch |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID CORPORATION OF CHINA Effective date: 20121203 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121203 Address after: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee after: Dianyan Huayuan Power Tech. Co., Ltd., Beijing Patentee after: State Grid Corporation of China Address before: 100192 Beijing City, Haidian District Road No. 15 building, Huayuan Qinghe small camp Patentee before: Dianyan Huayuan Power Tech. Co., Ltd., Beijing |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
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| CX01 | Expiry of patent term |