CN204905143U - Indoor high -pressure vacuum load switch - Google Patents
Indoor high -pressure vacuum load switch Download PDFInfo
- Publication number
- CN204905143U CN204905143U CN201520632115.2U CN201520632115U CN204905143U CN 204905143 U CN204905143 U CN 204905143U CN 201520632115 U CN201520632115 U CN 201520632115U CN 204905143 U CN204905143 U CN 204905143U
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- China
- Prior art keywords
- switch
- earthed
- axle
- isolation
- grounding
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Abstract
The utility model discloses an indoor high -pressure vacuum load switch, isolator on including the frame and being fixed in the frame, load switch and earthing switch, isolator and earthing switch linkage, and earthing switch separating brake when isolator closes a floodgate, earthing switch closes a floodgate during the isolator separating brake, it is provided with the ground connection turning arm to keep apart between axle and the ground connection axle, keep apart turning arm and linking arm, the ground connection turning arm with keep apart the turning arm respectively with the ground connection axle with keep apart the hub connection, the both ends of linking arm are articulated with the isolation turning arm with the ground connection turning arm respectively, the both ends of linking arm are articulated with isolation axle and ground connection axle respectively, keep apart the axle, keep apart the turning arm, the linking arm, ground connection turning arm and ground connection axle link in proper order. The utility model discloses an isolator and earthing switch linkage, when isolator closes a floodgate, the earthing switch separating brake, in the isolator separating brake, earthing switch closes a floodgate, can realize preventing the maloperation, improves operating personnel's safe index.
Description
Technical field
The utility model belongs to high voltage electric equipment device arts, relates to a kind of for high voltage power distribution blanket insurance protection unit, particularly relates to a kind of indoor high-voltage vacuum on-load switch.
Background technology
Traditional indoor high-voltage vacuum on-load switch forms primarily of on-load switch, earthed switch and isolating switch framework.Its weak point is: the opening and closing state that isolating switch and earthed switch need separate operation to control both respective, operating personnel are made easily to be opened by cabinet door when isolating switch closes a floodgate like this, there is misoperation, cause electric shock accidents, in addition traditional indoor high-voltage vacuum on-load switch volume is larger, engaged position, be inconvenient to transport, in addition, traditional indoor high-voltage vacuum on-load switch adopts through type, isolating switch realizes break-make by upper and lower rectilinear motion, above-mentioned indoor high-voltage vacuum on-load switch is owing to being arranged in nontransparent insulating cover, so make operating personnel not directly perceived when observing, judge inconvenient.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide indoor high-voltage vacuum on-load switch, its advantage is isolating switch and earthed switch interlock, when isolating switch closes a floodgate, grounding switch tripping, when isolating switch separating brake, earthed switch closes a floodgate, can anti-misoperation be realized, improve the safety index of operating personnel.
For achieving the above object, the utility model provides following technical scheme:
A kind of indoor high-voltage vacuum on-load switch, comprise framework and be fixed on the isolating switch on framework, on-load switch and earthed switch, described isolating switch comprises isolation axle, described earthed switch comprises grounding shaft, described isolating switch and earthed switch link, and grounding switch tripping during isolating switch combined floodgate, during isolating switch separating brake, earthed switch closes a floodgate, earthed crank arm is provided with between described isolation axle and grounding shaft, isolation connecting lever and linking arm, described earthed crank arm and isolation connecting lever are respectively with grounding shaft with isolate axle and be connected, the two ends of described linking arm are respectively with earthed crank arm with to isolate connecting lever hinged, the two ends of described linking arm respectively with isolation axle and grounding shaft hinged, described isolation axle, isolation connecting lever, linking arm, earthed crank arm and grounding shaft link successively.
The utility model is set to further: described on-load switch comprises operating axis, and described operating axis one end is provided with spacing catch, and framework is provided with limited protruding member, described spacing catch and limited protruding member clamping.
The utility model is set to further: described spacing catch comprises rotating forward stopper and reversion stopper.
The utility model is set to further: described isolating switch also comprises isolation knife and isolated port, described earthed switch also comprises earthing and grounding ports, described isolated port is all fixedly connected with framework with grounding ports, and described isolation knife and earthing are connected to isolation axle and grounding shaft.
Pass through technique scheme, make isolating switch and earthed switch interlock, when isolating switch closes a floodgate, grounding switch tripping, when isolating switch separating brake, earthed switch closes a floodgate, and concrete when isolation knife is connected with isolated port, isolating switch of the present utility model is "on" position, now earthing and grounding ports are separately, i.e. grounding switch tripping, can realize anti-misoperation like this, improves the safety index of operating personnel.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model indoor high-voltage vacuum on-load switch embodiment;
Fig. 2 is the A portion enlarged drawing of Fig. 1.
In figure: 1, framework; 11, spacing catch; 111, stopper is rotated forward; 112, reversion stopper; 2, isolating switch; 21, axle is isolated; 22, isolation knife; 23, isolated port; 24, connecting lever is isolated; 3, earthed switch; 31, grounding shaft; 32, earthing; 33, grounding ports; 34, earthed crank arm; 4, on-load switch; 41, operating axis; 5, limited protruding member; 6, linking arm.
Embodiment
Further illustrate with reference to accompanying drawing 1 to accompanying drawing 2 pairs of the utility model indoor high-voltage vacuum on-load switches.
A kind of indoor high-voltage vacuum on-load switch 4, comprise framework 1 and be fixed on isolating switch 2, on-load switch 4 and the earthed switch 3 on framework 1, described isolating switch 2 comprises isolation axle 21, described earthed switch 3 comprises grounding shaft 31, described isolating switch 2 links with earthed switch 3, and earthed switch 3 separating brake during isolating switch 2-in-1 lock, during isolating switch 2 separating brake, earthed switch 3 closes a floodgate.Described isolating switch 2 comprises isolation axle 21, described earthed switch 3 comprises grounding shaft 31, be provided with earthed crank arm 34 between described isolation axle 21 and grounding shaft 31, isolate connecting lever 24 and linking arm 8, described earthed crank arm 34 and isolation connecting lever 24 are respectively with grounding shaft 31 with isolate axle 21 and be connected, the two ends of described linking arm 8, respectively with earthed crank arm 34 with isolate connecting lever 24 hinged, described isolation axle 21, isolate connecting lever 24, linking arm 8, earthed crank arm 34 and grounding shaft 3
Described on-load switch 4 comprises operating axis 41, and described operating axis 41 one end is provided with spacing catch 11, framework 1 is provided with limited protruding member 5, described spacing catch 11 and limited protruding member 5 clamping.Described spacing catch 11 comprises rotating forward stopper 111 and reversion stopper 112.Described isolating switch 2 also comprises isolation knife 22 and isolated port 23, described earthed switch 3 also comprises earthing 32 and grounding ports 33, described isolated port 23 is all fixedly connected with framework 1 with grounding ports 33, and described isolation knife 22 and earthing 32 are connected to isolation axle 21 and grounding shaft 31.
In sum, such setting can make isolating switch 2 and earthed switch 3 link, when the 2-in-1 lock of isolating switch, and earthed switch 3 separating brake, when isolating switch 2 separating brake, earthed switch 3 closes a floodgate, and concrete when isolation knife 22 is connected with isolated port 23, isolating switch 2 of the present utility model is "on" position, now earthing 32 and grounding ports 33 are separately, namely earthed switch 3 separating brake, can realize anti-misoperation like this, improves the safety index of operating personnel.
The utility model, under normal circuit condition, can close, carries and cut-off load current, can close short circuit current, and has the ability of carrying short circuit current at the appointed time; The environment for use condition height above sea level be suitable for is not more than 1000 meters, and ambient temperature is up to 40 degrees Celsius, and minimum temperature is subzero 25 degrees Celsius, and relative humidity daily mean is not more than 95 percent, and monthly average value is not more than 90 percent; Earthquake intensity is no more than eight grades; Requirement for environmental conditions is non-corrosiveness gas, imflammable gas, significantly water vapour and the place without regular strenuous vibration.So the utility model is suitable for being arranged in the switch cubicle of loop-network switch cabinet, box-type substation and housing type thereof, because having stronger connecting-disconnecting function, be the ideal product of current power distribution network, transformer and distribution power station, the construction of switching station, transformation, renewal, be widely used in during factory, school, hotel, market, residential quarters etc. build.
The utility model adopts framework 1 formula structure, integrates isolating switch 2, on-load switch 4, earthed switch 3, stored energy mechanism, tripping mechanism.Isolating switch 2, on-load switch 4, earthed switch 3 from top to bottom set gradually, and vacuum interrupter, isolating switch 2 fixed contact are arranged on insulating base, and three phase isolated effect bolt is separately fixed on framework 1.
Switch adopts twin shaft operation, and vacuum switch adopts an operating axis 41 to carry out divide-shut brake, can adopt electronic or manual mode.Isolating switch 2 shares an operating axis 41 with earthed switch 3, only can use manual operation, and isolating switch 2 and earthed switch 3 link, and namely when isolating switch 2 separating brake, earthed switch 3 closes a floodgate, earthed switch 3 separating brake when isolating switch 2-in-1 lock.
Must check deciliter state of switch before operation from panel, the isolating switch 2 when dispatching from the factory is in open position, and namely vacuum interrupter is in open position, when on-load switch 4 is when closing a floodgate, grounding shaft 31 braked by interlock, and earthed switch 3 cannot close a floodgate, thus prevents misoperation.
Closing operation: first must be shut by cabinet door, then lock door lock by operating axis 41, earthed switch 3 separates, on isolating switch is 2-in-1.If employing closing by hand, handle should be inserted upper shaft hole when closing a floodgate,
Sub-switching operation: if with electronic, by opening button; If with manual operation, then by handle attended operation axle 41, be rotated counterclockwise certain angle, after hearing separating brake sound, operating grip can not stop, and should continue to be rotated counterclockwise on earth.
When earthed switch 3 separating brake, cabinet door lock closes, the 2-in-1 lock of isolating switch, otherwise when earthed switch 3 closes a floodgate, cabinet door is opened, isolating switch 2 separating brake, to ensure the fail safe of operating personnel.
Compare original vacuum load switch for household, what its isolating switch 2 adopted is direct-push, and in the utility model, and the form of what isolating switch 2 adopted is inclined push type, inclined push type is compared and directly pushed away is to strengthen isolation effect.Described isolating switch 2 links with earthed switch 3, and isolating switch 2 is contrary with earthed switch 3 divide-shut brake situation.
The above is only preferred implementation of the present utility model, protection range of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection range of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (4)
1. an indoor high-voltage vacuum on-load switch, comprise framework and be fixed on the isolating switch on framework, on-load switch and earthed switch, described isolating switch comprises isolation axle, described earthed switch comprises grounding shaft, it is characterized in that: described isolating switch and earthed switch link, and grounding switch tripping during isolating switch combined floodgate, during isolating switch separating brake, earthed switch closes a floodgate, earthed crank arm is provided with between described isolation axle and grounding shaft, isolation connecting lever and linking arm, described earthed crank arm and isolation connecting lever are respectively with grounding shaft with isolate axle and be connected, the two ends of described linking arm are respectively with earthed crank arm with to isolate connecting lever hinged, the two ends of described linking arm respectively with isolation axle and grounding shaft hinged, described isolation axle, isolation connecting lever, linking arm, earthed crank arm and grounding shaft link successively.
2. indoor high-voltage vacuum on-load switch according to claim 1, is characterized in that: described on-load switch comprises operating axis, described operating axis one end is provided with spacing catch, and framework is provided with limited protruding member, described spacing catch and limited protruding member clamping.
3. indoor high-voltage vacuum on-load switch according to claim 2, is characterized in that: described spacing catch comprises rotating forward stopper and reversion stopper.
4. indoor high-voltage vacuum on-load switch according to claim 3, it is characterized in that: described isolating switch also comprises isolation knife and isolated port, described earthed switch also comprises earthing and grounding ports, and described isolated port is all fixedly connected with framework with grounding ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632115.2U CN204905143U (en) | 2015-08-20 | 2015-08-20 | Indoor high -pressure vacuum load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632115.2U CN204905143U (en) | 2015-08-20 | 2015-08-20 | Indoor high -pressure vacuum load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905143U true CN204905143U (en) | 2015-12-23 |
Family
ID=54927302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632115.2U Expired - Fee Related CN204905143U (en) | 2015-08-20 | 2015-08-20 | Indoor high -pressure vacuum load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068470A (en) * | 2016-11-14 | 2017-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of double-fracture disconnecting switch that there is ground connection to link |
-
2015
- 2015-08-20 CN CN201520632115.2U patent/CN204905143U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068470A (en) * | 2016-11-14 | 2017-08-18 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of double-fracture disconnecting switch that there is ground connection to link |
| WO2018086456A1 (en) * | 2016-11-14 | 2018-05-17 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | Double-break isolating switch having grounding linkage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20190820 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |