CN203423120U - Static contact apparatus, breaker and high-voltage switchgear - Google Patents
Static contact apparatus, breaker and high-voltage switchgear Download PDFInfo
- Publication number
- CN203423120U CN203423120U CN201320556535.8U CN201320556535U CN203423120U CN 203423120 U CN203423120 U CN 203423120U CN 201320556535 U CN201320556535 U CN 201320556535U CN 203423120 U CN203423120 U CN 203423120U
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- Prior art keywords
- static
- contact
- support plate
- protective plate
- quiet
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- 230000003068 static effect Effects 0.000 title claims abstract description 58
- 230000001681 protective effect Effects 0.000 claims description 39
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 abstract description 9
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 2
- 238000007664 blowing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 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
- 239000007787 solid Substances 0.000 description 1
Images
Abstract
The utility model discloses a static contact apparatus, a breaker and a high-voltage switchgear. The static contact apparatus comprises a static contact seat, a static support plate, an air guide sleeve, a static arc contact, a static main contact and a protection plate. The protection plate is positioned in the air guide sleeve and shields the static support plate. The air guide sleeve is provided with the protection plate inside to shield the static support plate, when the breaker is switched on/off, insulation gas SF6 for blowing arc enters the air guide sleeve and is blown towards the protection plate, insulation gas SF6 is blocked by the protection plate without causing corrosion of the static support plate, the anticorrosion capability of the static contact apparatus is effectively raised, the service life of the static support plate is prolonged, and thereby the service life of the whole breaker is prolonged.
Description
Technical field
The utility model relates to high voltage electric equipment field, relates in particular to a kind of static contact head device, circuit breaker and high voltage switchgear.
Background technology
At present, when high voltage switchgear is widely used in high voltage supply system Zhong，Dang supply line or device fails, need to realizes fault loop is carried out to grounding by high voltage switchgear, to eliminate the danger that failure system produces.Existing high voltage switchgear is mainly divided into: gas-insulated metal fully-closed switch equipment (GIS) and conventional open type switchgear (AIS), in addition, also have static contact head device, circuit breaker and high voltage switchgear (HGIS) between GIS and AIS.HGIS is mainly directly linked to together by elements such as circuit breaker, isolating switch, earthed switches, and three-phase is all enclosed in respectively in the metal shell of ground connection, fills and using the SF6 gas of certain pressure as insulation and arc-extinguishing medium in shell.In prior art, be provided with trigger device and static contact head device in the arc control device of circuit breaker, static contact head device generally includes fixed contact pedestal, quiet support plate, kuppe, static arc contact and quiet main contact; Quiet support plate is bolted on contact base inside, and quiet main contact is bolted on contact base outside, and static arc contact is inserted in quiet main contact and is fixed on quiet support plate, and kuppe is between quiet main contact and static arc contact.When circuit-breaker switching on-off, insulating gas SF6 arc blow-out also corrodes quiet support plate generation by the transmission meeting of kuppe, thereby has shortened the complete machine useful life of circuit breaker, causes the useful life of circuit breaker shorter.
Summary of the invention
Technical problem to be solved in the utility model is: a kind of static contact head device, circuit breaker and high voltage switchgear are provided, solve the shorter defect in useful life of circuit breaker in prior art, realize the anti-corrosion capability that improves static contact head device, extend the useful life of circuit breaker.
The technical scheme that the utility model provides is that a kind of static contact head device, comprises fixed contact pedestal, quiet support plate, kuppe, static arc contact and quiet main contact; It is inner that described quiet support plate is fixed on described contact base, it is outside that described quiet main contact is fixed on described contact base, described static arc contact is inserted in described quiet main contact and is fixed on described quiet support plate, described kuppe is between described quiet main contact and described static arc contact, also comprise protective plate, described protective plate is arranged in described kuppe and covers in described quiet support plate.
Further, described static arc contact one end is provided with thread head, and described static arc contact is provided with boss structure near the position of described thread head, on described quiet support plate, is provided with installing hole, and described protective plate offers through hole; Described thread head is successively through described through hole and described installing hole the nut that has been threaded, and described protective plate is clipped between described boss structure and described quiet support plate.
Further, described protective plate is provided with groove structure in the surrounding of described through hole, and described boss structure is inserted in described groove structure.
Further, the position that described protective plate offers described through hole is set to disc structure.
Further, described protective plate also offers bar-shaped trough, and described quiet support plate is arranged in described bar-shaped trough.
The utility model also provides a kind of circuit breaker, comprises above-mentioned static contact head device.
The utility model provides again a kind of high voltage switchgear, comprises above-mentioned circuit breaker.
Compared with prior art, advantage of the present utility model and good effect are: the static contact head device that the utility model provides, circuit breaker and high voltage switchgear, by protective plate is set in kuppe, protective plate covers in quiet support plate, when circuit-breaker switching on-off, insulating gas SF6 arc blow-out enters into kuppe and blows to protective plate, under the barrier effect of protective plate, insulating gas SF6 arc blow-out can not produce corrosion to quiet support plate, effectively raise the anti-corrosion capability of static contact head device, extended quiet support plate useful life, thereby extend the whole service life of circuit breaker.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the cutaway view of the utility model static contact head device embodiment;
Fig. 2 is the local enlarged diagram of a-quadrant in Fig. 1;
Fig. 3 is the front view of protective plate in the utility model static contact head device embodiment;
Fig. 4 is the end view of protective plate in the utility model static contact head device embodiment.
Embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As Figure 1-Figure 4, the present embodiment static contact head device, comprises fixed contact pedestal 1, quiet support plate 2, kuppe 3, static arc contact 4 and quiet main contact 5; Quiet support plate 2 is bolted on contact base 1 inside, quiet main contact 5 is bolted on contact base 1 outside, static arc contact 4 is inserted in the cavity of quiet main contact 5 and is fixed on quiet support plate 2, kuppe 3 is between quiet main contact 5 and static arc contact 4, the present embodiment static contact head device also comprises protective plate 6, and protective plate 6 is arranged in kuppe 3 and covers in quiet support plate 2.
Particularly, the present embodiment static contact head device is provided with protective plate 6 in kuppe 3, by protective plate 6, shelter from quiet support plate 2, when circuit-breaker switching on-off, insulating gas SF6 arc blow-out enters into kuppe 3, and protective plate 6 will stop insulating gas SF6, to alleviate or to avoid insulating gas SF6 arc blow-out to cause corrosion to quiet support plate 2, improve the corrosion resistance of the present embodiment static contact head device, extended 2 service times of quiet support plate, thereby extended the useful life of circuit breaker.The present embodiment static contact head device will make full use of traditional circuit breaker inner space, need not additionally take volume, do not change original circuit breaker size, original circuit-breaker switching on-off number of times can be brought up to left and right for 10,000 times 10,000 2 thousand times, virtually increase circuit breaker life-span 5-10.
Further, static arc contact 4 one ends are provided with thread head 41, and static arc contact 4 is provided with boss structure 42 near the position of thread head 41, are provided with installing hole (not shown) on quiet support plate 2, and protective plate 6 offers through hole 60; Thread head 41 is successively through through hole 60 and installing hole the nut that has been threaded (not shown), and protective plate 6 is clipped between boss structure 42 and quiet support plate 2.Concrete, protective plate 6 is coordinated and is stepped up to realize fixed installation by boss structure 42 and quiet support plate 2, without increasing extra fixture, has simplified the assembling process of protective plate 6.Preferably, protective plate 6 is provided with groove structure 61 in the surrounding of through hole 60, and boss structure 42 is inserted in groove structure 61.Concrete, boss structure 42 coordinates with groove structure 61, can be more solid and reliable protective plate 6 installations are fixed.Wherein, the position that protective plate 6 offers through hole 60 is set to disc structure 63, effectively to strengthen the structural strength of protective plate 6.And protective plate 6 also offers bar-shaped trough 62, quiet support plate 2 is arranged in bar-shaped trough 62, and quiet support plate 2 is wrapped by protective plate 6 half, can more effective quiet support plate 2 be protected, to avoid to greatest extent insulating gas SF6 arc blow-out to cause corrosion to quiet support plate 2.
The utility model also provides a kind of circuit breaker, comprises above-mentioned static contact head device.
The utility model provides again a kind of high voltage switchgear, comprises above-mentioned circuit breaker.
The static contact head device that the utility model provides, circuit breaker and high voltage switchgear, by protective plate is set in kuppe, protective plate covers in quiet support plate, when circuit-breaker switching on-off, insulating gas SF6 arc blow-out enters into kuppe and blows to protective plate, under the barrier effect of protective plate, insulating gas SF6 arc blow-out can not produce corrosion to quiet support plate, effectively raise the anti-corrosion capability of static contact head device, extended quiet support plate useful life, thereby extend the whole service life of circuit breaker.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (7)
1. a static contact head device, comprises fixed contact pedestal, quiet support plate, kuppe, static arc contact and quiet main contact; It is inner that described quiet support plate is fixed on described contact base, it is outside that described quiet main contact is fixed on described contact base, described static arc contact is inserted in described quiet main contact and is fixed on described quiet support plate, described kuppe is between described quiet main contact and described static arc contact, it is characterized in that, also comprise protective plate, described protective plate is arranged in described kuppe and covers in described quiet support plate.
2. static contact head device according to claim 1, it is characterized in that, described static arc contact one end is provided with thread head, and described static arc contact is provided with boss structure near the position of described thread head, on described quiet support plate, be provided with installing hole, described protective plate offers through hole; Described thread head is successively through described through hole and described installing hole the nut that has been threaded, and described protective plate is clipped between described boss structure and described quiet support plate.
3. static contact head device according to claim 2, is characterized in that, described protective plate is provided with groove structure in the surrounding of described through hole, and described boss structure is inserted in described groove structure.
4. static contact head device according to claim 3, is characterized in that, the position that described protective plate offers described through hole is set to disc structure.
5. static contact head device according to claim 1, is characterized in that, described protective plate also offers bar-shaped trough, and described quiet support plate is arranged in described bar-shaped trough.
6. a circuit breaker, is characterized in that, comprises the static contact head device as described in as arbitrary in claim 1-5.
7. a high voltage switchgear, is characterized in that, comprises circuit breaker as claimed in claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556535.8U CN203423120U (en) | 2013-12-16 | 2013-12-16 | Static contact apparatus, breaker and high-voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320556535.8U CN203423120U (en) | 2013-12-16 | 2013-12-16 | Static contact apparatus, breaker and high-voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203423120U true CN203423120U (en) | 2014-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320556535.8U Expired - Lifetime CN203423120U (en) | 2013-12-16 | 2013-12-16 | Static contact apparatus, breaker and high-voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203423120U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706038A (en) * | 2017-12-06 | 2018-02-16 | 广东电网有限责任公司江门供电局 | A kind of fixed contact pedestal of sulfur hexafluoride breaker |
| CN109346371A (en) * | 2017-12-29 | 2019-02-15 | 河南平高电气股份有限公司 | Disconnecting switch and its static contact component |
-
2013
- 2013-12-16 CN CN201320556535.8U patent/CN203423120U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706038A (en) * | 2017-12-06 | 2018-02-16 | 广东电网有限责任公司江门供电局 | A kind of fixed contact pedestal of sulfur hexafluoride breaker |
| CN109346371A (en) * | 2017-12-29 | 2019-02-15 | 河南平高电气股份有限公司 | Disconnecting switch and its static contact component |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |