CN202564879U - High-altitude contact box - Google Patents
High-altitude contact box Download PDFInfo
- Publication number
- CN202564879U CN202564879U CN2011205014110U CN201120501411U CN202564879U CN 202564879 U CN202564879 U CN 202564879U CN 2011205014110 U CN2011205014110 U CN 2011205014110U CN 201120501411 U CN201120501411 U CN 201120501411U CN 202564879 U CN202564879 U CN 202564879U
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- China
- Prior art keywords
- installation portion
- sea level
- height above
- above sea
- contact box
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- Expired - Lifetime
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Abstract
The utility model provides a high-altitude contact box, belongs to the technical field of an electric appliance, and helps to solve problems that a conventional contact box is low in applicability, is prone to creepage, etc. The high-altitude contact box comprises a cylindrical body made from an insulating material. A side portion and an upper end of the body are respectively equipped with a wire outlet and a wire inlet which allow a busbar to be inserted into the body. A connecting piece used for fixing the busbar is arranged at the wire outlet of the body. The body is also provided with a mounting portion, wherein an end portion of the mounting portion is used for being fixedly connected with a mounting plate. The mounting portion is disposed in a bending manner, and a bending direction of the mounting portion is far from the wire outlet. A creepage distance between the wire outlet and the mounting portion is at least 1053 millimeters. The body is at least 39 millimeters in thickness. The advantages are that the high-altitude contact box is wide in application scope, is not prone to creepage, etc.
Description
Technical field
The utility model belongs to technical field of electric appliances, relates to a kind of contact box, relates in particular to a kind of contact box that is applicable to 4000 meters high altitude localitiess.
Background technology
In the High-Voltage Electrical Appliances field, the conversion of generating, transmission of electricity, distribution, electric energy and control all are crucial, and the high-voltage switch gear manufacturing industry is exactly an important component part of power transmission and transforming equipment.High-tension switch cabinet generally comprises switch cabinet body and is arranged at parts such as the contact box in the cabinet, curved dividing plate and sleeve pipe, and wherein, the main effect of contact box is to be insulated in the coupling part of turnover line, guarantees the safe operation of high-tension switch cabinet.Therefore, the quality of contact box also will directly influence the performance of whole switch cubicle.At present; General contact box comprises the box body that insulating material is processed; On the sidewall on box body top and bottom offers line outlet and incoming line respectively; Top in the box body is connected with an inserts, is used for fixing the fixed contact in line outlet stretches into box body, and the bottom of box body is provided with and is used for the base that is connected with the cabinet mounting panel.When using this contact box, respectively fixed contact and the line outlet of moving contact on box body and incoming line are extend in the box body and contact and get final product.
But existing contact box often is applied to the area of height above sea level below 1000 meters, and when it was used in height above sea level regional up to 4000 meters, because air is comparatively thin, dielectric constant descended, very easily occur the surface creepage phenomenon or because of high pressure breakdown.
Summary of the invention
The purpose of the utility model is the problems referred to above that exist to prior art, has proposed a kind ofly can be applied to the high height above sea level contact box that creepage or punch-through still can not appear in the area of height above sea level up to 4000 meters.
The purpose of the utility model can realize through following technical proposal:
A kind of high height above sea level contact box; Comprise the tubular body that insulating material is processed; This body sidepiece and upper end offer respectively and can supply busbar to stretch into intrinsic line outlet and incoming line, also be provided with on the body at described line outlet place one be used for fixing busbar connector, also have its end on the described body and be used for the installation portion that is fixedly connected with mounting panel; It is characterized in that; The crooked setting of described installation portion and its bending direction are away from above-mentioned line outlet, and the creepage distance between described line outlet place and the above-mentioned installation portion is at least 1053 millimeters, and described body thickness is at least 39 millimeters.
When using this high height above sea level contact box, busbar and contact line outlet and the incoming line on body extend in the body to both contact respectively, wherein, another termination high pressure of busbar.Again body is fixed on the mounting panel through the end of installation portion afterwards and gets final product.This high height above sea level contact box makes the creepage distance on contact box surface satisfy use and its body of high altitude localities through the curved design that increases contact box body thickness and height and installation portion can be not breakdown, is applicable to the area of 4000 meters of height above sea level.In addition, the design of this high height above sea level contact box makes that also the distance between the valve of high-pressure side and switch cubicle at line outlet place is bigger 40 millimeters than common contact box, can stop the discharge of high-pressure side to the valve place.
In above-mentioned a kind of high height above sea level contact box; Described installation portion comprise installation portion one that the perpendicular direction of edge and above-mentioned body center line is provided with and with installation portion one vertically disposed installation portion two, the bearing of trend of described installation portion two be apart from being at least 400 millimeters away from the air insulation between the end of the direction of line outlet and line outlet and installation portion two.The whole L type design of mounting panel both can have been satisfied the requirement that increases creepage distance, can reduce the space and convenient installation of use again.
In above-mentioned a kind of high height above sea level contact box, described installation portion and line outlet are arranged at the same side of above-mentioned body.
In above-mentioned a kind of high height above sea level contact box, described connector is that electric conducting material is processed, and also is provided with a high-tension shielding net in the body at this connector place, and electrically connects between this high-tension shielding net and the connector.Connector is used for fixing the busbar that connects high pressure, and that the setting of high-tension shielding net can make the high-pressure side Electric Field Distribution get is more even.
In above-mentioned a kind of high height above sea level contact box, described connector is arranged in the interior body with respect to incoming line one side of line outlet, comprises several brass inserts one that are connected with body, and described brass inserts one can be connected through screw or screw flight with busbar.
In above-mentioned a kind of high height above sea level contact box, described busbar is that flat and its adopt copper to become.
In above-mentioned a kind of high height above sea level contact box, described body lateral surface is provided with the cluster parachute that is used to increase creepage distance.Design through cluster parachute can increase creepage distance, reduces the use of material, the reduction cost.
In above-mentioned a kind of high height above sea level contact box, on the described body with respect to the other end of installation portion have one be used for the connection plate connecting portion, this connecting portion direction is set and line outlet is opposite.
In above-mentioned a kind of high height above sea level contact box, described installation portion and connecting portion place are provided with several brass inserts two, and described mounting panel all can be connected through screw or screw rod and the two-phase of brass inserts.
In above-mentioned a kind of high height above sea level contact box, described body adopts epoxy resin to process.
Compared with prior art; The height that L type design and the contact box of this high height above sea level contact box through installation portion is whole and the increase of thickness make this contact box when the area use of height above sea level up to 4000 meters; Creepage, discharge and breakdown phenomenon can not take place; Safe to use, the scope of application is wider.
Description of drawings
Fig. 1 is the sectional structure sketch map of this high height above sea level contact box.
Fig. 2 is the perspective view of this high height above sea level contact box.
Fig. 3 is the perspective view at this another visual angle of high height above sea level contact box.
Among the figure, 1, body; 11, line outlet; 12, incoming line; 13, installation portion; 13a, installation portion one; 13b, installation portion two; 14, cluster parachute; 15, connecting portion; 2, busbar; 3, connector; 4, mounting panel; 5, high-tension shielding net.
Embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
Like Fig. 1, Fig. 2 and shown in Figure 3; This high height above sea level contact box comprises the tubular body 1 that insulating material is processed; The sidepiece of this body 1 and upper end offer line outlet 11 and incoming line 12 respectively; Also be provided with in the body 1 at line outlet 11 places one be used for fixing busbar 2 connector 3, be provided with a high-tension shielding net 5 in the body 1 at these connector 3 places, connector 3 electrically connects with high-tension shielding net 5.Also has the cluster parachute 14 that several are used to increase creepage distance on body 1 lateral wall.
The upper end of body 1 sidepiece and lower end have the installation portion 13 and connecting portion 15 that is used for being fixedly connected with mounting panel 4 respectively, and installation portion 13 and connecting portion 15 all can be fixedly connected with mounting panel 4 through several brass inserts two that are arranged at its end.Wherein, connecting portion 15 that being provided with of direction and line outlet 11 is in the opposite direction; And installation portion 13 and line outlet 11 are arranged at the same side of body 1, comprise horizontally disposed installation portion one 13a and with the vertically disposed installation portion 13b of installation portion one 13a, and the bearing of trend of this installation portion 13b is away from line outlet 11 directions.In the present embodiment, body 1 adopts epoxy resin to process; Line outlet 11 places on the body 1 also have a tubular sidewall; Connector 3 is three brass inserts that are connected with body 1 the inner; Installation portion 13 is provided with three brass inserts two with the end of connecting portion 15.
For satisfying the user demand of high altitude localities contact box; (this creepage distance can calculate through formula creepage distance between the low-pressure end at the high-pressure side at line outlet 11 places and installation portion 13 places: creepage distance=(height above sea level-1000)/10000*810+810) at least 1053 millimeters; And the distance of high-low pressure air insulation has between the two reached at least 400 millimeters; The thickness of contact box body 1 is at least 39 millimeters, and the increase of the whole height of this high height above sea level contact box makes that also the contact box that the air insulation distance of valve is used than routine on high-pressure side to the switch cubicle is big 40 millimeters.In the present embodiment, the creepage distance between the high-low pressure is 1247 millimeters, and the air insulation distance is 400 millimeters, and the thickness of body 1 is 39 millimeters.
When using this high height above sea level contact box; Respectively the copper busbar of flat 2 and the line outlet 11 of contact on body 1 and incoming line 12 are extend in the body 1 to both and contact; Wherein, on the busbar 2 with respect to another termination high pressure that is connected with above-mentioned brass inserts one.Again through screw and be arranged at installation portion 13 and with three brass inserts two on the connecting portion 15 body 1 be fixedly connected with mounting panel 4 and get final product.
This high height above sea level contact box designs user demand and its body 1 that the creepage distance that makes the contact box surface satisfies the high altitude localities through the L type that increases contact box body 1 thickness and height and installation portion 13 can be not breakdown, is applicable to the area of 4000 meters of height above sea level.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (10)
1. one kind high height above sea level contact box; Comprise the tubular body (1) that insulating material is processed; This body (1) sidepiece and upper end offer respectively and can supply busbar (2) to stretch into line outlet (11) and incoming line (12) in the body (1); Also be provided with on the body (1) that described line outlet (11) is located one be used for fixing busbar (2) connector (3); Also have its end on the described body (1) and be used for the installation portion (13) that is fixedly connected with mounting panel (4), it is characterized in that, described installation portion (13) is crooked be provided with and its bending direction away from above-mentioned line outlet (11); Described line outlet (11) locate and above-mentioned installation portion (13) between creepage distance be at least 1053 millimeters, described body (1) thickness is at least 39 millimeters.
2. a kind of high height above sea level contact box according to claim 1; It is characterized in that; Described installation portion (13) comprise installation portion one (13a) that the perpendicular direction of edge and above-mentioned body (1) center line is provided with and with the vertically disposed installation portion two of installation portion one (13a) (13b), the bearing of trend of described installation portion two (13b) be apart from being at least 400 millimeters away from the air insulation between the end of the direction of line outlet (11) and line outlet (11) and installation portion two (13b).
3. a kind of high height above sea level contact box according to claim 2 is characterized in that, described installation portion (13) and line outlet (11) are arranged at the same side of above-mentioned body (1).
4. according to claim 1 or 2 or 3 described a kind of high height above sea level contact boxs; It is characterized in that; Described connector (3) is processed for electric conducting material, also is provided with a high-tension shielding net (5) in the body (1) that this connector (3) is located, and electrically connects between this high-tension shielding net (5) and the connector (3).
5. according to claim 1 or 2 or 3 described a kind of high height above sea level contact boxs; It is characterized in that; Described connector (3) is arranged in the interior body (1) with respect to incoming line (12) one sides of line outlet (11); Comprise several brass inserts one that are connected with body (1), described brass inserts one can be connected through screw or screw flight with busbar (2).
6. a kind of high height above sea level contact box according to claim 5 is characterized in that, described busbar (2) becomes for flat and its adopt copper.
7. according to claim 1 or 2 or 3 described a kind of high height above sea level contact boxs, it is characterized in that described body (1) lateral surface is provided with the cluster parachute (14) that is used to increase creepage distance.
8. according to claim 1 or 2 or 3 described a kind of high height above sea level contact boxs; It is characterized in that; Described body (1) go up the other end with respect to installation portion (13) have one be used for connection plate (4) connecting portion (15), this connecting portion (15) direction and line outlet (11) are set on the contrary.
9. a kind of high height above sea level contact box according to claim 8 is characterized in that, described installation portion (13) and connecting portion (15) locate to be provided with several brass inserts two, and described mounting panel (4) all can be connected through screw or screw rod and the two-phase of brass inserts.
10. according to claim 1 or 2 or 3 described a kind of high height above sea level contact boxs, it is characterized in that described body (1) adopts epoxy resin to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205014110U CN202564879U (en) | 2011-12-06 | 2011-12-06 | High-altitude contact box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205014110U CN202564879U (en) | 2011-12-06 | 2011-12-06 | High-altitude contact box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564879U true CN202564879U (en) | 2012-11-28 |
Family
ID=47214494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205014110U Expired - Lifetime CN202564879U (en) | 2011-12-06 | 2011-12-06 | High-altitude contact box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202564879U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283115A (en) * | 2014-09-26 | 2015-01-14 | 浙江省开化七一电力器材有限责任公司 | Three-phase contact case for high-voltage switch cabinet |
| CN109301743A (en) * | 2018-09-19 | 2019-02-01 | 句容市凯特电力电器有限公司 | One kind being easily installed contact box |
-
2011
- 2011-12-06 CN CN2011205014110U patent/CN202564879U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283115A (en) * | 2014-09-26 | 2015-01-14 | 浙江省开化七一电力器材有限责任公司 | Three-phase contact case for high-voltage switch cabinet |
| CN109301743A (en) * | 2018-09-19 | 2019-02-01 | 句容市凯特电力电器有限公司 | One kind being easily installed contact box |
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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: 20121128 |
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| CX01 | Expiry of patent term |