CN204332802U - A kind of alternating-current high-voltage isolation switch - Google Patents
A kind of alternating-current high-voltage isolation switch Download PDFInfo
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- CN204332802U CN204332802U CN201520065710.2U CN201520065710U CN204332802U CN 204332802 U CN204332802 U CN 204332802U CN 201520065710 U CN201520065710 U CN 201520065710U CN 204332802 U CN204332802 U CN 204332802U
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- clamping plate
- alternating
- conduction clamping
- isolation switch
- voltage isolation
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Abstract
A kind of alternating-current high-voltage isolation switch.Mainly solve present alternating-current high-voltage isolation switch in high-tension circuit, special when using in the circuit of 12KV ~ 15KV, some employings be zinc-plated electrode, the withstand current of such isolating switch is not high, or what adopt is overall silver-plated structure, adds the problem of a lot of cost.Comprise base, on described base, both sides correspondence is provided with the first insulation column and the second insulation column, described first insulation column top is hinged with conduction clamping plate, described second insulation column top is corresponding with described conduction clamping plate is provided with drainage battery lead plate, described conduction clamping plate are provided with moving contact, described drainage battery lead plate there is the fixed contact corresponding with described moving contact, described moving contact is welded with silver strip.The utility model provides a kind of alternating-current high-voltage isolation switch, the moving contact on its conduction clamping plate is welded with silver strip, namely improves withstand current ability, greatly reduce cost again relative to comprehensively silver-plated structure.
Description
Technical field
The utility model relates to a kind of alternating-current high-voltage isolation switch.
Background technology
High voltage isolator is device for switching important in power plant and transformer station's electrical system, and need support the use with primary cut-out, its major function is: high voltage isolator ensure that High-Voltage Electrical Appliances and the safety of device when service work, plays isolation voltage; Be divided into by infield difference, indoor type and outdoor type, be divided into, open side type by insulation column number, queen post and three pillar type, each electric pressure has optional equipment.Also reliably can isolate needing in high voltage distribution installation the part had a power failure with live part, to ensure the safety of service work.
Present high voltage isolator in high-tension circuit, when using in the circuit of particularly 12KV ~ 15KV, some employings be zinc-plated electrode, the withstand current of such isolating switch is not high, or what adopt is overall silver-plated structure, adds a lot of cost.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of alternating-current high-voltage isolation switch, mainly solve present alternating-current high-voltage isolation switch in high-tension circuit, when using in the circuit of 12KV ~ 15KV especially, some employings be zinc-plated electrode, the withstand current of such isolating switch is not high, or employing is overall silver-plated structure, adds the problem of a lot of cost.
The technical scheme that the utility model adopts is:
A kind of alternating-current high-voltage isolation switch, comprise base, on described base, both sides correspondence is provided with the first insulation column and the second insulation column, described first insulation column top is hinged with conduction clamping plate, described second insulation column top is corresponding with described conduction clamping plate is provided with drainage battery lead plate, described conduction clamping plate are provided with moving contact, described drainage battery lead plate has the fixed contact corresponding with described moving contact, described moving contact is welded with silver strip.
Described conduction clamping plate have two, and the moving contact of two described conduction clamping plate is all welded with silver strip, form the clamping slot with described drainage battery lead plate width adaptation between two described silver strips.
Also comprise handle ring, described handle ring is arranged on described conduction clamping plate by mounting screw, is also provided with spring between described mounting screw and described conduction clamping plate.
Described first insulation column is provided with outer cluster parachute, and described outer cluster parachute comprises the larger large full skirt of diameter and the less little full skirt of diameter, and described large full skirt and little full skirt are uniform staggered with.
Described silver strip is welded on described conduction clamping plate by spot welding or heap.
The beneficial effects of the utility model are: the utility model provides a kind of alternating-current high-voltage isolation switch, and the moving contact conducted electricity described in it on clamping plate is welded with silver strip, namely improve withstand current ability, greatly reduce cost again relative to comprehensively silver-plated structure.
Accompanying drawing explanation
Fig. 1 is the partial sectional view of the utility model embodiment.
Fig. 2 is the vertical view of the utility model embodiment.
Fig. 3 is the schematic diagram of the conduction clamping plate of the utility model embodiment.
Fig. 4 is the schematic diagram of the drainage battery lead plate of the utility model embodiment.
Fig. 5 is Fig. 2 A place enlarged drawing.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of alternating-current high-voltage isolation switch, comprise base 1, on described base 1, both sides correspondence is provided with the first insulation column 2 and the second insulation column 3, described first insulation column 2 top is hinged with conduction clamping plate 21, described second insulation column 3 top is corresponding with described conduction clamping plate 21 is provided with drainage battery lead plate 31, described conduction clamping plate 21 are provided with moving contact, described drainage battery lead plate 31 there is the fixed contact corresponding with described moving contact, described moving contact is welded with silver strip 32.Here moving contact also can overall be made for silver, also again moving contact can weld silver strip or silver point, also silver strip can be welded on fixed contact, the utility model is specially adapted to the occasion of the high pressure of 12KV ~ 15KV, the moving contact of conduction clamping plate is welded with silver strip, when contact, be conduction clamping plate on silver strip to the contact of the silver strip of drainage battery lead plate, substantially increase the withstand voltage of isolating switch, simultaneously, a kind of alternating-current high-voltage isolation switch is provided relative to the utility model, the contact-making surface of its conduction clamping plate and drainage battery lead plate is all welded with silver strip, namely improve withstand current ability, cost is greatly reduced again relative to comprehensively silver-plated structure.
In the utility model, as shown in the figure, described conduction clamping plate 21 have two, and the moving contact of two described conduction clamping plate 21 is all welded with silver strip 32, form the clamping slot 33 with described drainage battery lead plate 31 width adaptation between two described silver strips 32.Contact more stable, result of use is better.
In the utility model, as shown in the figure, also comprise handle ring 4, described handle ring 4 is arranged on described conduction clamping plate 21 by mounting screw 41, is also provided with spring 42 between described mounting screw 41 and described conduction clamping plate 21.Can compress, install more firm, result of use is better.
In the utility model, as shown in the figure, described first insulation column 2 is provided with outer cluster parachute, and described outer cluster parachute comprises the larger large full skirt 23 of diameter and the less little full skirt 24 of diameter, and described large full skirt 23 and little full skirt 24 are uniform staggered with.Dustproof and waterproof, result of use is better.
In the utility model, as shown in the figure, described silver strip 32 is welded on described conduction clamping plate 21 by spot welding or heap.Conveniently, be convenient to processing, result of use is better for spot welding and overlay-operation.
Embodiment should not be considered as restriction of the present utility model, but any improvement done based on spirit of the present utility model, all should within protection range of the present utility model.
Claims (5)
1. an alternating-current high-voltage isolation switch, comprise base (1), described base (1) upper both sides correspondence is provided with the first insulation column (2) and the second insulation column (3), described first insulation column (2) top is hinged with conduction clamping plate (21), described second insulation column (3) top is corresponding with described conduction clamping plate (21) is provided with drainage battery lead plate (31), described conduction clamping plate (21) are provided with moving contact, described drainage battery lead plate (31) there is the fixed contact corresponding with described moving contact, it is characterized in that: described moving contact is welded with silver strip (32).
2. a kind of alternating-current high-voltage isolation switch according to claim 1, it is characterized in that: described conduction clamping plate (21) have two, and the moving contact of two described conduction clamping plate (21) is all welded with silver strip (32), form the clamping slot (33) with described drainage battery lead plate (31) width adaptation between two described silver strips (32).
3. a kind of alternating-current high-voltage isolation switch according to claim 1, it is characterized in that: also comprise handle ring (4), described handle ring (4) is arranged on described conduction clamping plate (21) by mounting screw (41), is also provided with spring (42) between described mounting screw (41) and described conduction clamping plate (21).
4. a kind of alternating-current high-voltage isolation switch according to claim 1, it is characterized in that: described first insulation column (2) is provided with outer cluster parachute, described outer cluster parachute comprises the larger large full skirt (23) of diameter and the less little full skirt (24) of diameter, and described large full skirt (23) and little full skirt (24) are uniform staggered with.
5. a kind of alternating-current high-voltage isolation switch according to claim 1, is characterized in that: described silver strip (32) is welded on described conduction clamping plate (21) by spot welding or heap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065710.2U CN204332802U (en) | 2015-01-30 | 2015-01-30 | A kind of alternating-current high-voltage isolation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520065710.2U CN204332802U (en) | 2015-01-30 | 2015-01-30 | A kind of alternating-current high-voltage isolation switch |
Publications (1)
| Publication Number | Publication Date |
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| CN204332802U true CN204332802U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520065710.2U Active CN204332802U (en) | 2015-01-30 | 2015-01-30 | A kind of alternating-current high-voltage isolation switch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551871A (en) * | 2015-11-12 | 2016-05-04 | 成都格瑞思文化传播有限公司 | High voltage isolation switch |
-
2015
- 2015-01-30 CN CN201520065710.2U patent/CN204332802U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105551871A (en) * | 2015-11-12 | 2016-05-04 | 成都格瑞思文化传播有限公司 | High voltage isolation switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |