CN204966229U - Mutual -inductor is with inflation ware dustcoat - Google Patents
Mutual -inductor is with inflation ware dustcoat Download PDFInfo
- Publication number
- CN204966229U CN204966229U CN201520674225.5U CN201520674225U CN204966229U CN 204966229 U CN204966229 U CN 204966229U CN 201520674225 U CN201520674225 U CN 201520674225U CN 204966229 U CN204966229 U CN 204966229U
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- China
- Prior art keywords
- expander
- dustcoat
- housing body
- utility
- inspection hole
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Abstract
The utility model belongs to the technical field of the power transmission and transformation facility and specifically relates to a mutual -inductor is with inflation ware dustcoat is equipped with first peephole and second peephole respectively in the both sides of dustcoat body, and the window pane of two peepholes is fixed through the sealing washer respectively, the both sides of every peephole all are equipped with the sealing washer, dustcoat body whole the whole that panel drawing formed of serving as reasons, dustcoat body one end is sealed, other end opening, just the open end diameter of dustcoat body is greater than the diameter that the dustcoat body found the wall. The utility model discloses make the operation personnel confirm the height of inflation ware very easily.
Description
Technical field
The utility model relates to power transformating and supplying facility field, specifically a kind of instrument transformer expander outer cover being provided with two observation windows.
Background technology
Be provided with metal expander at the top of oil-immersed current transformer and voltage transformer, installing the object of expander is the change in volume that the volume of the transformer oil compensating instrument transformer inside raises with temperature or reduces and produce.When the temperature increases, transformer oil volume becomes large, expander is risen, when temperature reduces, transformer oil volume reduces, expander also reduces along with the minimizing of oil volume, just tentatively can judge that whether normal the operation conditions of instrument transformer is by the change observing expander height, when expander raises extremely, be likely instrument transformer built-in electrical insulation break down produce gas cause, and the abnormal reduction of expander, likely then that instrument transformer leakage of oil causes, therefore observing the expander height at instrument transformer top is a daily judgement instrument transformer normal operation whether important means.
For protection expander is not damaged, be provided with the expander cover of totally-enclosed in expander outside, traditional expander cover is only provided with an about 120cm usually
2the inspection hole of size, light can only enter expander cover inside through this inspection hole glass and then be reflected by expander madial wall, the height of the visible light expander that people utilize expander to reflect.Because expander and expander cover are mounted in the top of instrument transformer product, under during operation, it is in high electric field, for ensureing security of operation, general instrument transformer product is all mounted on the support of certain altitude in transformer station, add the insulator height of instrument transformer itself, the distance of people's distance expander when observing is mostly even farther more than 10 meters, because inspection hole is very little, add As time goes on, the inspection hole of expander cover also can adhesive dust, this height just observing expander to people brings very large difficulty, even if use telescope also cannot see the height of place's expander clearly.
Utility model content
The purpose of this utility model is to provide a kind of instrument transformer expander outer cover being provided with two observation windows, makes operating personnel be easy to confirm the height of expander.
The purpose of this utility model is achieved through the following technical solutions:
A kind of instrument transformer expander outer cover, be respectively equipped with the first inspection hole and the second inspection hole in the both sides of housing body, the window of two inspection holes is fixed respectively by sealing ring.
The both sides of each inspection hole are equipped with sealing ring.
Described housing body is by the entirety of whole plate stretch, and described housing body one end is closed, other end opening, and the openend diameter of described housing body is greater than the diameter of housing body wall.
Advantage of the present utility model and good effect are:
1, the utility model
Accompanying drawing explanation
Fig. 1 is front view of the present utility model,
Fig. 2 is three-dimensional cutaway view of the present utility model in Fig. 1,
Fig. 3 is end view of the present utility model in Fig. 1.
Wherein, 1 is housing body, and 2 is sealing ring, and 3 is the first inspection hole, and 4 is the second inspection hole, and 5 is expander.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figures 1 to 3, housing body 1 of the present utility model is by cast aluminium, aluminium sheet or stainless steel stretched entirety, the first inspection hole 3 and the second inspection hole 4 is respectively equipped with in the both sides of housing body 1, the glass window of two inspection holes is fixed respectively by sealing ring 2, as shown in Figure 3, the inside and outside both sides of each inspection hole are equipped with sealing ring 2.
Described housing body 1 one end is closed, and other end opening, and the openend edge bending laterally of described housing body 1, this makes the openend diameter of housing body 1 be greater than the diameter of housing body 1 wall.
Operation principle of the present utility model is:
As shown in Figure 2, during as needed the height of expander 5 observing the utility model inside, if select to be observed by the first inspection hole 3, light-transmissive second inspection hole 4 enters in housing body 1, part light is inflated device 5 and blocks, another part light is by space reflection arrival first inspection hole 3 outside expander 5 top and expander 5 between ripple joint, thus on the first inspection hole 3, form the change of obvious light and shade, make people clearly can determine the height and position of expander 5.
Claims (1)
1. an instrument transformer expander outer cover, it is characterized in that: be respectively equipped with the first inspection hole (3) and the second inspection hole (4) in the both sides of housing body (1), the window of two inspection holes is fixed respectively by sealing ring (2); The both sides of each inspection hole are equipped with sealing ring (2); Described housing body (1) is by the entirety of whole plate stretch, described housing body (1) one end is closed, other end opening, and the openend diameter of described housing body (1) is greater than the diameter of housing body (1) wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674225.5U CN204966229U (en) | 2015-09-01 | 2015-09-01 | Mutual -inductor is with inflation ware dustcoat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520674225.5U CN204966229U (en) | 2015-09-01 | 2015-09-01 | Mutual -inductor is with inflation ware dustcoat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204966229U true CN204966229U (en) | 2016-01-13 |
Family
ID=55061277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520674225.5U Active CN204966229U (en) | 2015-09-01 | 2015-09-01 | Mutual -inductor is with inflation ware dustcoat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204966229U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154307A (en) * | 2017-07-06 | 2017-09-12 | 正泰电气股份有限公司 | A kind of current transformer protective cover |
-
2015
- 2015-09-01 CN CN201520674225.5U patent/CN204966229U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154307A (en) * | 2017-07-06 | 2017-09-12 | 正泰电气股份有限公司 | A kind of current transformer protective cover |
| CN107154307B (en) * | 2017-07-06 | 2019-06-11 | 正泰电气股份有限公司 | A kind of current transformer protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xu Hongwu Inventor after: Zhang Guibin Inventor after: Teng Xiaohong Inventor after: Pu Chengbin Inventor before: Xu Hongwu Inventor before: Zhang Guibin Inventor before: Teng Xiaohong Inventor before: Pu Chengbin |
|
| COR | Change of bibliographic data |