CN203674065U - Solid sealed pole applied to high voltage vacuum switch and combined high voltage vacuum switch - Google Patents
Solid sealed pole applied to high voltage vacuum switch and combined high voltage vacuum switch Download PDFInfo
- Publication number
- CN203674065U CN203674065U CN201420038851.0U CN201420038851U CN203674065U CN 203674065 U CN203674065 U CN 203674065U CN 201420038851 U CN201420038851 U CN 201420038851U CN 203674065 U CN203674065 U CN 203674065U
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- Prior art keywords
- switch
- epoxy resin
- vacuum
- threaded insert
- pole
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- 239000007787 solid Substances 0.000 title abstract description 7
- 239000003822 epoxy resin Substances 0.000 claims abstract description 58
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 58
- 230000003068 static effect Effects 0.000 claims abstract description 36
- 238000002955 isolation Methods 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 abstract description 5
- 238000005266 casting Methods 0.000 abstract 2
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model discloses a solid sealed pole applied to a high voltage vacuum switch. The solid sealed pole comprises an epoxy resin casing body and a vacuum arc extinguishing chamber with a vacuum bubble, an arc extinguishing chamber static contact and an arc extinguishing chamber dynamic contact. The solid sealed pole further comprises a lower contact insert, a second threaded insert, and a first threaded insert which is arranged on the bottom end of the epoxy resin casing body, wherein the lower contact insert and the second threaded insert are respectively arranged on the side wall of the epoxy resin casing body. The epoxy resin casing body is formed by carrying out epoxy resin vacuum casting on the vacuum arc extinguishing chamber, the lower contact insert, the first threaded insert and the second threaded insert. The solid sealed pole provided by the utility model has the advantages of simple structure, high structural strength and good insulation performance, and is integrally molded through epoxy resin vacuum casting. The utility model further provides a combined high voltage vacuum switch with the solid sealed pole. The combined high voltage vacuum switch has the advantages of compact structure, small occupied space, less components, high work reliability and low cost.
Description
Technical field
The utility model relates to high-voltage switch gear technical field, relates in particular to a kind of pole for high-pressure vacuum switch and combined high-voltage vacuum switch.
Background technology
Pole is that vacuum interrupter and relevant conductive pieces are embedded into simultaneously and in solid insulating material, form pole, its effect is vacuum pouring vacuum interrupter and the electric-conductor thereof by epoxy resin, realizes and is issued to higher insulation and intensity in miniaturization situation; Guarantee better carrying and drop-out current, the object of protection power consumption equipment.
Pole of the prior art is also by epoxy resin, vacuum interrupter and a splicing ear to be cast in together, realize moving up and down of vacuum interrupter moving contact by insulated tension pole, but it only realizes its function to vacuum switch, be not grounded the integrated support of switch and isolating switch simultaneously, this pole scope of application is restricted, function singleness, cannot realize integrated, the miniaturization of vacuum switch, earthed switch and isolating switch.
Summary of the invention
The purpose of this utility model is exactly in order to overcome above-mentioned the deficiencies in the prior art, a kind of pole for high-pressure vacuum switch is provided, realize the integrated of vacuum switch, earthed switch and isolating switch, miniaturization, makes composite vacuum construction of switch simple; Adopt epoxide resin vacuum cast one-body molded, structural strength is high, good insulation preformance; The utility model also provides a kind of combined high-voltage vacuum switch with above-mentioned pole, and its compact conformation, takes up room little, and amount of parts is few, and functional reliability is high, and cost is low.
For realizing above-mentioned purpose of the present utility model, pole for high-pressure vacuum switch of the present utility model comprises: epoxy resin housing and have the vacuum interrupter of vacuum bubbles, arc control device fixed contact and arc control device moving contact, in addition also comprise: the lower contact inserts and the second threaded insert that are arranged at respectively described epoxy resin housing sidewall; Be arranged at the first threaded insert of described epoxy resin housing bottom; Wherein, described epoxy resin housing is formed by pour into a mould described vacuum interrupter, lower contact inserts, the first threaded insert and the second threaded insert by epoxide resin vacuum.
Wherein, the quiet end of isolating switch of isolating switch is settled on described epoxy resin housing top, and is bolted with described arc control device fixed contact; The top that the bottom of epoxy resin housing settles the static contact of grounding switch of earthed switch to support, and by bolt, both are connected.
The utility model also provides a kind of combined high-voltage vacuum switch, comprise framework, be arranged on high-pressure vacuum switch body, isolating switch and the earthed switch on framework respectively, wherein, described high-pressure vacuum switch body at least comprises pole and insulated tension pole, described pole comprises: the vacuum interrupter with vacuum bubbles, arc control device fixed contact and arc control device moving contact, and insulated tension pole is connected with arc control device moving contact, wherein, described pole also comprises: the lower contact inserts and the second threaded insert that are arranged at respectively described epoxy resin housing sidewall; Be arranged at the first threaded insert of described epoxy resin housing bottom; Wherein, described epoxy resin housing is formed by pour into a mould described vacuum interrupter, lower contact inserts, the first threaded insert and the second threaded insert by epoxide resin vacuum; Described isolating switch is connected with described high-pressure vacuum switch body respectively with described earthed switch and by its support.Wherein, the quiet end of the isolating switch of described isolating switch is placed in described epoxy resin housing top and is bolted with described arc control device fixed contact.
Wherein, a sidewall of described epoxy resin housing and the static contact isolation switch support and connection of described isolating switch, the static contact isolation switch of described isolating switch is placed in static contact isolation switch support top end.
Wherein, described high-pressure vacuum switch body also comprises the conducting block being arranged between described insulated tension pole and described arc control device moving contact and is flexible coupling.
Preferably, described lower contact inserts one end by described be flexible coupling be connected with described conducting block, the other end is by bolt and lower wire end sub-connection.
Preferably, the bottom of described epoxy resin housing is connected with the top that the static contact of grounding switch of described earthed switch supports, and the bottom that static contact of grounding switch supports is arranged on described lower wire end.
Preferably, the static contact of grounding switch of described earthed switch and described lower wire end sub-connection and be positioned at the below that described static contact of grounding switch supports.
Wherein, when described isolating switch closes a floodgate, the isolation knife top of isolating switch is connected with described static contact isolation switch.
Compared with prior art, the pole for high-pressure vacuum switch of the present utility model and combined high-voltage vacuum switch have advantages of as follows:
1) in pole of the present utility model, in epoxy resin housing sidewall and bottom, lower contact inserts, the first threaded insert and the second threaded insert are set respectively, can make pole and other assembly connect as one as isolating switch, earthed switch, for it provides support and insulate, thereby make compact conformation;
2) in pole of the present utility model, epoxy resin housing is formed by pour into a mould vacuum interrupter, lower contact inserts, the first threaded insert and the second threaded insert by epoxide resin vacuum, this integrated mode makes that pole is simple in structure, intensity is high, take up room little, can effectively prevent the impact of the external factor such as external impacts, filthy environment on vacuum interrupter;
3) in combined high-voltage vacuum switch of the present utility model, comprise the high-pressure vacuum switch body with above-mentioned pole, and isolating switch is connected with pole respectively with earthed switch, make pole in the used time of doing of realizing the connection of high-pressure vacuum switch body primary circuit, can also serve as support and the insulation of isolating switch and earthed switch, thereby make the structure of combined high-voltage vacuum switch compacter, support strength is better, insulation property are more excellent, are especially applicable to the occasion that miniaturization requires.
Below in conjunction with accompanying drawing, the utility model is elaborated.
Accompanying drawing explanation
Fig. 1 is the structural representation of combined high-voltage vacuum switch of the present utility model;
Fig. 2 is the structural representation of pole of the present utility model.
Description of reference numerals: 1-isolation knife; The quiet end of 2-isolating switch; 3-pole; 4-conducting block; 5-is flexible coupling; 6-insulated tension pole; 7-static contact of grounding switch supports; 8-lower wire end; 9-static contact of grounding switch; 10-earthing; 11-framework; 12-static contact isolation switch supports; 13-static contact isolation switch; 301-the first threaded insert; Contact inserts under 302-; 303-arc control device moving contact; 304-arc control device fixed contact; 305-vacuum interrupter; 306-the second threaded insert.
Embodiment
As shown in Figure 2, for the structural representation of the pole for high-pressure vacuum switch of the present utility model, as seen from the figure, pole 3 comprises epoxy resin housing 307 and has the vacuum interrupter 305 of vacuum bubbles 308, arc control device fixed contact 304 and arc control device moving contact 303, wherein, lower contact inserts 302 and the second threaded insert 306 are set respectively in epoxy resin housing 307 two sides, in epoxy resin housing 307 bottoms, the first threaded insert 301 are set; And epoxy resin housing 307 is formed by pour into a mould vacuum interrupter 305, lower contact inserts 302, the second threaded insert 306 and the first threaded insert 301 by epoxide resin vacuum.
Wherein, the quiet end of isolating switch of isolating switch is settled on epoxy resin housing top, and is bolted with arc control device fixed contact; The top that the bottom of epoxy resin housing settles the static contact of grounding switch of earthed switch to support, and by bolt by epoxy resin housing and static contact of grounding switch support and connection.
In pole of the present utility model, at epoxy resin housing 307 sidewalls and bottom, lower contact inserts, the second threaded insert and the first threaded insert are set respectively, can make pole and other assembly connect as one as isolating switch, earthed switch, for it provides support, thereby make compact conformation; And epoxy resin housing 307 is formed by pour into a mould vacuum interrupter, lower contact inserts, the second threaded insert and the first threaded insert by epoxide resin vacuum, this integrated mode makes pole compact conformation, take up room little, the high-pressure vacuum switch that makes to have pole of the present utility model is adapted at littlely in structure, applying, and intensity is high, can effectively prevent the impact of the external factor such as external impacts, filthy environment on vacuum interrupter, simultaneously cost-saving.
In addition, the utility model also provides a kind of combined high-voltage vacuum switch with above-mentioned pole, as shown in Figure 1, it comprises: framework 11, be arranged on respectively high-pressure vacuum switch body on framework 11, isolating switch and earthed switch, wherein, high-pressure vacuum switch body at least comprises pole 3 and insulated tension pole 6, and pole 3 comprises epoxy resin housing 307 and have vacuum bubbles 308, the vacuum interrupter 305 of arc control device fixed contact 304 and arc control device moving contact 303, and insulated tension pole 6 is connected with arc control device moving contact 303, wherein, at epoxy resin housing 307 sidewalls, lower contact inserts 302 and the second threaded insert 306 are set respectively, in epoxy resin housing 307 bottoms, the first threaded insert 301 is set, and epoxy resin housing 307 is formed by pour into a mould vacuum interrupter 305, lower contact inserts 302, the second threaded insert 306 and the first threaded insert 301 by epoxide resin vacuum, isolating switch is connected with the pole 3 of high-pressure vacuum switch body respectively with earthed switch and is insulated by its support realization.
Concrete, as shown in Figure 1, combined high-voltage vacuum switch of the present utility model integrates high-pressure vacuum switch body, isolating switch, earthed switch, and three is arranged on framework 11 jointly, forms an overall structure.Wherein, on the one hand, the pole 3 of high-pressure vacuum switch body can be used as the support component of high-pressure vacuum switch body primary circuit, obviously strengthens because its integral structure makes support strength, can bear the short circuit current of divide-shut brake power and primary circuit; On the other hand, pole can be used as the support of the static contact of grounding switch 9 of earthed switch; In addition can also serve as, the support of the quiet end 2 of isolating switch of isolating switch.Because pole can realize connection and the support of high-pressure vacuum switch primary circuit, also can serve as the support of connected isolating switch and earthed switch simultaneously, the therefore more compact structure of high-pressure vacuum switch, support strength is better.
Wherein, the main components of primary circuit that forms isolating switch comprises that isolation knife 1, the quiet end 2 of isolating switch, static contact isolation switch support 12, and is embedded in static contact isolation switch and supports the static contact isolation switch 13 of 12 the insides.Wherein, as shown in Figure 1, the quiet end 2 of isolating switch is placed in epoxy resin housing 307 tops, and be bolted with arc control device fixed contact 304, and epoxy resin housing 307 and static contact isolation switch support 12 are all placed on framework 11, static contact isolation switch 13 is placed in static contact isolation switch and supports 12 tops, and in the time that isolating switch closes a floodgate, isolation knife 1 top is connected by spring clamp with static contact isolation switch 13.
Wherein, the primary circuit main components that forms high-pressure vacuum switch body comprises pole 3, conducting block 4, be flexible coupling 5, lower wire end 8.As shown in Figure 1, conducting block 4 and being flexible coupling 5 is arranged between insulated tension pole 6 and arc control device moving contact 303, and lower contact inserts 302 one end that are arranged at epoxy resin housing 307 another sidewalls 5 are connected with conducting block 4 by being flexible coupling, the other end is connected with lower wire end 8 by bolt.
Wherein, the main components of the primary circuit of formation earthed switch comprises static contact of grounding switch support 7, static contact of grounding switch 9, earthing 10.As shown in Figure 1, static contact of grounding switch supports 7 and is placed on framework 11, and the bottom of epoxy resin housing 307 is connected the top of the static contact of grounding switch support 7 of itself and earthed switch by the first threaded insert 301 thereon and the cooperation of bolt are set, and static contact of grounding switch supports 7 bottom and is arranged on lower wire end 8, and static contact of grounding switch 9 and lower wire end 8 are connected and are positioned at the below of static contact of grounding switch support 7.
Loop trend when isolating switch primary circuit conducting is: successively through static contact isolation switch 13, isolation knife 1, the quiet end 2 of isolating switch, vacuum interrupter 305, conducting block 4, be flexible coupling 5, lower contact inserts 302, finally arrive lower wire end 8.
And the process that this body action of high-pressure vacuum switch is realized is: drive the arc control device moving contact 303 of vacuum interrupter 305 the insides to move up and down by insulated tension pole 6, realize contact between arc control device moving contact 303 and arc control device fixed contact 304 and separate, thereby realize separating brake and the closing operation of high-pressure vacuum switch body.
Although above the utility model is explained in detail; but the utility model is not limited to this; those skilled in the art can modify according to principle of the present utility model; therefore, all various modifications of carrying out according to principle of the present utility model all should be understood to fall into protection range of the present utility model.
Claims (9)
1. the pole for high-pressure vacuum switch, comprise: epoxy resin housing (307) and there is the vacuum interrupter (305) of vacuum bubbles (308), arc control device fixed contact (304) and arc control device moving contact (303), it is characterized in that, also comprise:
Be arranged at respectively lower contact inserts (302) and second threaded insert (306) of described epoxy resin housing (307) sidewall;
Be arranged at first threaded insert (301) of described epoxy resin housing (307) bottom;
Wherein, described epoxy resin housing (307) is formed by pour into a mould described vacuum interrupter (305), lower contact inserts (302), the first threaded insert (301) and the second threaded insert (306) by epoxide resin vacuum.
2. a combined high-voltage vacuum switch, comprise framework (11), be arranged on high-pressure vacuum switch body, isolating switch and the earthed switch on framework (11) respectively, wherein, described high-pressure vacuum switch body at least comprises pole (3) and insulated tension pole (6), described pole (3) comprises the vacuum interrupter (305) of have vacuum bubbles (308), arc control device fixed contact (304) and arc control device moving contact (303), and insulated tension pole (6) is connected with arc control device moving contact (303), it is characterized in that:
Described pole (3) also comprises: the lower contact inserts (302) and the second threaded insert (306) that are arranged at respectively described epoxy resin housing (307) sidewall, be arranged at first threaded insert (301) of described epoxy resin housing (307) bottom, wherein, described epoxy resin housing (307) is formed by pour into a mould described vacuum interrupter (305), lower contact inserts (302), the first threaded insert (301) and the second threaded insert (306) by epoxide resin vacuum;
Described isolating switch is connected with described high-pressure vacuum switch body respectively with described earthed switch and by its support.
3. combined high-voltage vacuum switch according to claim 2, is characterized in that, the quiet end of isolating switch (2) of described isolating switch is placed in described epoxy resin housing (307) top and is bolted with described arc control device fixed contact (304).
4. according to the combined high-voltage vacuum switch described in claim 2 or 3, it is characterized in that, one sidewall of described epoxy resin housing (307) supports (12) with the static contact isolation switch of described isolating switch and is connected, and the static contact isolation switch (13) of described isolating switch is placed in static contact isolation switch and supports (12) top.
5. combined high-voltage vacuum switch according to claim 2, is characterized in that, described high-pressure vacuum switch body also comprises the conducting block (4) being arranged between described insulated tension pole (6) and described arc control device moving contact (303) and be flexible coupling (5).
6. combined high-voltage vacuum switch according to claim 5, is characterized in that, described lower contact inserts (302) one end is connected with described conducting block (4) by described be flexible coupling (5), and the other end is connected with lower wire end (8) by bolt.
7. combined high-voltage vacuum switch according to claim 6, it is characterized in that, the bottom of described epoxy resin housing (307) is connected with the top that the static contact of grounding switch of described earthed switch supports (7), and the bottom of static contact of grounding switch support (7) is arranged on described lower wire end (8).
8. combined high-voltage vacuum switch according to claim 7, is characterized in that, the static contact of grounding switch (9) of described earthed switch is connected and is positioned at the below of described static contact of grounding switch support (7) with described lower wire end (8).
9. combined high-voltage vacuum switch according to claim 4, is characterized in that, isolation knife (1) top of described isolating switch can be connected by spring clamp with described static contact isolation switch (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038851.0U CN203674065U (en) | 2014-01-22 | 2014-01-22 | Solid sealed pole applied to high voltage vacuum switch and combined high voltage vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420038851.0U CN203674065U (en) | 2014-01-22 | 2014-01-22 | Solid sealed pole applied to high voltage vacuum switch and combined high voltage vacuum switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674065U true CN203674065U (en) | 2014-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420038851.0U Expired - Lifetime CN203674065U (en) | 2014-01-22 | 2014-01-22 | Solid sealed pole applied to high voltage vacuum switch and combined high voltage vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674065U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696819A (en) * | 2020-05-13 | 2020-09-22 | 平高集团有限公司 | Solid-sealed polar pole and ring main unit using same |
-
2014
- 2014-01-22 CN CN201420038851.0U patent/CN203674065U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111696819A (en) * | 2020-05-13 | 2020-09-22 | 平高集团有限公司 | Solid-sealed polar pole and ring main unit using same |
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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: 20140625 |
|
| CX01 | Expiry of patent term |