CN201369277Y - Disconnecting-grounding switch - Google Patents
Disconnecting-grounding switch Download PDFInfo
- Publication number
- CN201369277Y CN201369277Y CNU2009200880769U CN200920088076U CN201369277Y CN 201369277 Y CN201369277 Y CN 201369277Y CN U2009200880769 U CNU2009200880769 U CN U2009200880769U CN 200920088076 U CN200920088076 U CN 200920088076U CN 201369277 Y CN201369277 Y CN 201369277Y
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- CN
- China
- Prior art keywords
- switch
- tank body
- phase
- operating device
- isolation
- 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.)
- Expired - Lifetime
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- Gas-Insulated Switchgears (AREA)
Abstract
The utility model relates to a disconnecting-grounding switch, which comprises a tank body, three phase disconnecting switches and three phase grounding switches, wherein insulation plates are respectively fixed on both ends of the tank body; the moving contact and the static contact of each phase of the three-phase disconnecting switch are correspondingly fixed on the insulation plates; the static contacts of the grounding switches are fixed on the moving contact of each disconnecting switch; a grounding switch opening-closing operation device and a disconnecting switch opening-closing operation device penetrating the tank body in the radial direction are respectively arranged in the positions corresponding to the static contacts of the grounding switch and corresponding to the moving contacts of the disconnecting switch; and a charging nozzle is formed on the tank wall. The three phase disconnecting switches are all arranged in the same tank body, and the moving contact and the static contact of each phase are fixed on the insulation plates, which are an insulation block having conductors embedded in positions corresponding to the moving contact or the static contact, thereby ensuring the communication between peripheral equipment and the moving contact as well as the static contact and meeting the requirement for phase-to-phase withstand voltage.
Description
Technical field
The utility model relates to the isolation earthing switch of a kind of isolation earthing switch, particularly a kind of three-phase combined type.
Background technology
GIS (gas insulated combined electric appliance equipment) is widely used in modern high-voltage electrical apparatus field.Every combined electrical apparatus all will carry out strict voltage-withstand test before dispatching from the factory, when doing voltage-withstand test, adopt the withstand voltage frock of piece formula of sleeve pipe inlet wire now, and in order to reach alternate insulating requirements, transition conduit must be very long, so just taken very big working space.In addition, it is open adopting sleeve pipe inlet wire form to carry out withstand voltage, has potential safety hazard when test.
The utility model content
The purpose of this utility model provides a kind of isolation earthing switch, adopts the mode of sleeve pipe inlet wire when carrying out the combined electrical apparatus voltage-withstand test at present in order to solve, and takies the problem that working space is big, have potential safety hazard.
For achieving the above object, the utility model adopts following technical scheme: a kind of isolation earthing switch, and this isolation earthing switch comprises tank body, is provided with three-phase isolation switch and three-phase earthed switch in the tank body; The two ends of described tank body are installed with insulating basin respectively, in the three-phase isolation switch the dynamic and static contact of every phase respectively correspondence be fixed on the insulating basin, all be installed with the earthed switch fixed contact on the moving contact of each isolating switch, make progress in tank body week corresponding earthed switch fixed contact and isolating switch moving contact position are respectively equipped with earthed switch deciliter operating device and the isolating switch deciliter operating device that radially runs through tank body; Tank skin is provided with charging connector.
Described three-phase isolation switch on the tank body semi-circumference, be separated by 90 ° uniform.
Described tank body half cycle face is provided with three operating device installing ports of 90 ° of being separated by, three operating device installing ports are corresponding with three-phase isolation switch respectively, each operating device installing port place all seals and is installed with a seal cover, and seal cover and described earthed switch deciliter operating device and an isolating switch deciliter operating device are tightly connected.
Described earthed switch deciliter operating device comprises the earthed switch deciliter joystick that moves along earthed switch deciliter direction, and the end that this earthed switch deciliter joystick is positioned at tank body is provided with the earthed switch moving contact.
Described isolating switch moving contact comprises fixed body and the slidable fit mobile in fixed body, and mobile is provided with tooth bar away from the closing position end.
A described isolating switch deciliter operating device comprises insulated tension pole, and insulated tension pole is installed with gear near the static contact isolation switch end, this gear and the engagement of described tooth bar, and the insulated tension pole other end is installed with operating grip, and operating grip is exposed to the tank body outside.
The isolation earthing switch of such scheme, its three-phase isolation switch all is positioned at same tank body, and the moving contact of each phase and fixed contact all are fixed on the insulating basin, insulating basin is the collets that all are embedded with conductor corresponding to moving contact and fixed contact position, so both can guarantee that moving contact and fixed contact and ancillary equipment were conducted, can satisfy alternate withstand voltage requirement again, in addition, isolating switch moving contact and fixed contact are positioned at same tank body, do not have the pressure reduction problem.Also have, be provided with the earthed switch fixed contact on the moving contact of insulated switch, corresponding earthed switch fixed contact position is provided with earthed switch deciliter operating device on the tank body, the end that earthed switch deciliter operating device is positioned at tank body is provided with the earthed switch moving contact, is provided with earthed switch and has satisfied the ground connection needs of this isolation earthing switch behind the isolating switch separating brake.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A view of Fig. 1;
Fig. 3 is the partial enlarged view of Fig. 2.
Embodiment
Fig. 1, Fig. 2, isolation earthing switch of the present utility model shown in Figure 3, this isolation earthing switch comprises tank body 11, is provided with three-phase isolation switch and three-phase earthed switch in the tank body 11, the two ends of tank body 11 are equipped with an insulating basin 6 with bolt respectively.Be embedded with three conductors in the insulating basin 6, three conductors on the semi-circumference of insulating basin 6, be separated by 90 ° uniform, correspondence is buried the conductor position place underground and is installed with isolating switch moving contact 3 on the insulating basin 6 in left side, the conductor of burying underground in isolating switch moving contact 3 and the insulating basin 6 is conducted, correspondence is buried the conductor position place underground and is installed with static contact isolation switch 5 on the insulating basin 6 on right side, and the conductor of burying underground in static contact isolation switch 5 and the insulating basin 6 is conducted.Tank skin be provided with 15, three operating device installing ports 15 of three operating device installing ports on semi-circumference, be separated by 90 ° uniform, and each operating device installing port 15 is corresponding with an isolating switch moving contact 3.All be installed with earthed switch fixed contact 1 on each isolating switch moving contact 3, earthed switch fixed contact 1 is towards the operating device installing port 15 corresponding with it.By bolt seal cover 12 is installed on the operating device installing port 15, seal cover 12 is provided with isolating switch operating device installing hole and earthed switch operating device installing hole; Isolating switch control crank 13 passes isolating switch operating device installing hole and seal cover 12 is rotatably assorted, the end that isolating switch control crank 13 is positioned at tank body 11 is installed with an insulated tension pole 2, the other end of insulated tension pole 2 is installed with a gear 9, this gear 9 is meshed with tooth bar 10 in the mobile 7 of slidable fit in the fixed body 8 of static contact isolation switch 3, control the rectilinear motion of isolating switch moving contact mobile 7 by rotating isolating switch control crank 13, finish the folding of isolating switch; Sealing is inserted with an earthed switch joystick installation sleeve 14 in the earthed switch operating device installing hole, having two on this installation sleeve 14 extends axially along installation sleeve but does not run through the sliding tray 21 of these installation sleeve both ends of the surface, sliding tray is provided with a bayonet socket 20 near the end of seal cover, be inserted with an earthed switch control crank 16 in this installation sleeve 14, the end of this handle 16 is installed with earthed switch moving contact 17, be installed with earthed switch joystick sealing mount pad 18 on the seal cover 12 corresponding to earthed switch moving contact 17 positions, be installed with earthed switch joystick seal receptacle 19 on the earthed switch joystick sealing mount pad 18, be provided with sealing ring between earthed switch joystick seal receptacle 19 and the earthed switch joystick 16, earthed switch joystick 16 is provided with the position fixing handle 20 with the sliding tray corresponding matching.Particularly point out be described isolating switch when being in the separating brake position distance between the dynamic and static contact satisfy requirement of withstand voltage, the distance between described earthed switch fixed contact and the tank body 11 satisfies requirement of withstand voltage.In addition, tank body 11 is provided with a charging connector 4, is used for filling in tank body SF
6Gas.
Claims (6)
1. isolation earthing switch, it is characterized in that: this isolation earthing switch comprises tank body, is provided with three-phase isolation switch and three-phase earthed switch in the tank body; The two ends of described tank body are installed with insulating basin respectively, in the three-phase isolation switch the dynamic and static contact of every phase respectively correspondence be fixed on the insulating basin, all be installed with the earthed switch fixed contact on the moving contact of each isolating switch, make progress in tank body week corresponding earthed switch fixed contact and isolating switch moving contact position are respectively equipped with earthed switch deciliter operating device and the isolating switch deciliter operating device that radially runs through tank body; Tank skin is provided with charging connector.
2. isolation earthing switch according to claim 1 is characterized in that: described three-phase isolation switch on the tank body semi-circumference, be separated by 90 ° uniform.
3. isolation earthing switch according to claim 2, it is characterized in that: described tank body half cycle face is provided with three operating device installing ports of 90 ° of being separated by, three operating device installing ports are corresponding with three-phase isolation switch respectively, each operating device installing port place all seals and is installed with a seal cover, and seal cover and described earthed switch deciliter operating device and an isolating switch deciliter operating device are tightly connected.
4. according to claim 1,2 or 3 described isolation earthing switch, it is characterized in that: described earthed switch deciliter operating device comprises the earthed switch deciliter joystick that moves along earthed switch deciliter direction, and the end that this earthed switch deciliter joystick is positioned at tank body is provided with the earthed switch moving contact.
5. according to claim 1,2 or 3 described isolation earthing switch, it is characterized in that: described isolating switch moving contact comprises fixed body and the slidable fit mobile in fixed body, and mobile is provided with tooth bar away from the closing position end.
6. isolation earthing switch according to claim 5, it is characterized in that: a described isolating switch deciliter operating device comprises insulated tension pole, insulated tension pole is installed with gear near the static contact isolation switch end, this gear and the engagement of described tooth bar, the insulated tension pole other end is installed with operating grip, and operating grip is exposed to the tank body outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200880769U CN201369277Y (en) | 2009-01-09 | 2009-01-09 | Disconnecting-grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200880769U CN201369277Y (en) | 2009-01-09 | 2009-01-09 | Disconnecting-grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201369277Y true CN201369277Y (en) | 2009-12-23 |
Family
ID=41488168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2009200880769U Expired - Lifetime CN201369277Y (en) | 2009-01-09 | 2009-01-09 | Disconnecting-grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201369277Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254730A (en) * | 2011-07-12 | 2011-11-23 | 平高集团有限公司 | Three-station isolation grounding switch |
| CN104865505A (en) * | 2015-04-30 | 2015-08-26 | 广州白云电器设备股份有限公司 | Power frequency withstand voltage test device used for three-phase common-box type high-voltage GIS |
| CN105280427A (en) * | 2015-11-27 | 2016-01-27 | 国家电网公司 | Single-phase isolation switch and isolation switch using same |
| CN108490324A (en) * | 2018-04-04 | 2018-09-04 | 正泰电气股份有限公司 | High-potting phase-sequence changed device |
| CN109148204A (en) * | 2017-06-27 | 2019-01-04 | 河南平芝高压开关有限公司 | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch |
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
-
2009
- 2009-01-09 CN CNU2009200880769U patent/CN201369277Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254730A (en) * | 2011-07-12 | 2011-11-23 | 平高集团有限公司 | Three-station isolation grounding switch |
| WO2013007101A1 (en) * | 2011-07-12 | 2013-01-17 | 平高集团有限公司 | Three-station isolation grounding switch |
| CN102254730B (en) * | 2011-07-12 | 2013-11-27 | 平高集团有限公司 | Three-station isolation grounding switch |
| CN104865505A (en) * | 2015-04-30 | 2015-08-26 | 广州白云电器设备股份有限公司 | Power frequency withstand voltage test device used for three-phase common-box type high-voltage GIS |
| CN104865505B (en) * | 2015-04-30 | 2018-03-06 | 广州白云电器设备股份有限公司 | A kind of industrial frequency withstand voltage experimental rig for three-phase combined type type high pressure GIS |
| CN105280427A (en) * | 2015-11-27 | 2016-01-27 | 国家电网公司 | Single-phase isolation switch and isolation switch using same |
| CN109148204A (en) * | 2017-06-27 | 2019-01-04 | 河南平芝高压开关有限公司 | A kind of gas-insulating and fully-enclosed combined electrical apparatus and its three-station isolating grounding switch |
| CN109148204B (en) * | 2017-06-27 | 2022-06-21 | 河南平芝高压开关有限公司 | Gas insulated totally-enclosed combined electrical apparatus and three-station isolation grounding switch thereof |
| CN108490324A (en) * | 2018-04-04 | 2018-09-04 | 正泰电气股份有限公司 | High-potting phase-sequence changed device |
| CN110808189A (en) * | 2019-10-09 | 2020-02-18 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
| CN110808189B (en) * | 2019-10-09 | 2022-03-08 | 平高集团有限公司 | Three-phase common-box isolating switch and high-voltage switch equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091223 |
|
| CX01 | Expiry of patent term |