CN203415398U - Outer shielding case of current transformer - Google Patents
Outer shielding case of current transformer Download PDFInfo
- Publication number
- CN203415398U CN203415398U CN201320554922.8U CN201320554922U CN203415398U CN 203415398 U CN203415398 U CN 203415398U CN 201320554922 U CN201320554922 U CN 201320554922U CN 203415398 U CN203415398 U CN 203415398U
- Authority
- CN
- China
- Prior art keywords
- current transformer
- shielding case
- heat radiating
- shell wall
- outer ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses an outer shielding case of a current transformer. The outer shielding case comprises an annular housing, wherein the outer ring housing wall of the annular housing is outwards turned into a flange, the inner ring housing wall of the annular housing is slightly shorter than the outer ring housing wall, heat radiating beads which are arched inwards around the annular housing are formed in the middle of the outer ring housing wall, heat radiating beads inwards arching are symmetrically arranged in the middle of the inner ring housing wall, and a plurality of heat radiating holes are formed in the lower incline surfaces of the heat radiating beads at equal intervals. The outer shielding case is simple and reasonable in structure, and convenient to install and use; by adopting the design of arranging the heat radiating beads on the outer shielding case, the heat radiating performance of the outer shielding case is effectively improved, the heat generated by the current transformer can be rapidly and effectively dissipated, the ageing of the current transformer is alleviated, the service life is prolonged, and the safety use of the current transformer is effectively ensured.
Description
Technical field
The utility model relates to current transformer field, is specially a kind of external shield of current transformer.
Background technology
Current transformer is mainly used in the circuit of generating, power transformation, transmission of electricity, distribution and electricity consumption, plays current transformation and electrical isolation effect.Current transformer in use needs to use external shield to carry out shielding protection; and existing external shield structure is reasonable not; after installation, can affect the radiating effect of current transformer; the heat that current transformer sends can not be shed in time efficiently; and then easily cause current transformer part aging, affect the use safety of current transformer.
Utility model content
The purpose of this utility model is to provide a kind of external shield of current transformer, reasonable not by external shield structure to solve current transformer traditional in prior art, after installation, can affect the radiating effect of current transformer, the heat that current transformer sends can not be shed in time efficiently, and then easily cause current transformer part aging, affect current transformer and use safe problem.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of external shield of current transformer, it is characterized in that: include annular case, the outer ring shell wall of described annular case outwards turns down formation chimb, the inner ring shell wall of described annular case is slightly shorter than outer ring shell wall, shell wall middle part in described outer ring is around the annular case heat radiation fin that arched upward laterally, described inner ring shell wall middle part is arranged with the heat radiation fin arching upward to the inside, and the lower inclined plane equal intervals of described heat radiation fin is distributed with some louvres.
The external shield of described a kind of current transformer, is characterized in that: on the chimb of described outer ring shell wall, be distributed with a plurality of installing holes.
The beneficial effects of the utility model are:
The utility model is simple and reasonable, easy to install, employing arranges the design of heat radiation fin on external shield, effectively improved the heat dispersion of external shield, the dissipation of heat that can rapidly and efficiently current transformer be sent is gone out, the aging phenomenon that has slowed down current transformer parts, has extended useful life, has effectively guaranteed the use safety of current transformer.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of external shield of current transformer, include annular case 1, the outer ring shell wall 4 of annular case 1 outwards turnover forms chimb 2, the inner ring shell wall 3 of annular case 1 is slightly shorter than outer ring shell wall 4, outer ring shell wall 4 middle parts around annular case 1 arched upward laterally heat radiation fin 5, inner ring shell wall 3 middle parts are arranged with the heat radiation fin 5 arching upward to the inside, heat radiation fin 5 lower inclined plane equal intervals be distributed with some louvres 6.
On the chimb 2 of outer ring shell wall 4, be distributed with a plurality of installing holes 7.
Claims (2)
1. the external shield of a current transformer, it is characterized in that: include annular case, the outer ring shell wall of described annular case outwards turns down formation chimb, the inner ring shell wall of described annular case is slightly shorter than outer ring shell wall, shell wall middle part in described outer ring is around the annular case heat radiation fin that arched upward laterally, described inner ring shell wall middle part is arranged with the heat radiation fin arching upward to the inside, and the lower inclined plane equal intervals of described heat radiation fin is distributed with some louvres.
2. the external shield of a kind of current transformer according to claim 1, is characterized in that: on the chimb of described outer ring shell wall, be distributed with a plurality of installing holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554922.8U CN203415398U (en) | 2013-09-07 | 2013-09-07 | Outer shielding case of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320554922.8U CN203415398U (en) | 2013-09-07 | 2013-09-07 | Outer shielding case of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203415398U true CN203415398U (en) | 2014-01-29 |
Family
ID=49978271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320554922.8U Expired - Fee Related CN203415398U (en) | 2013-09-07 | 2013-09-07 | Outer shielding case of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203415398U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569515A (en) * | 2014-12-11 | 2015-04-29 | 许继集团有限公司 | Shielding structure and common-tank electronic voltage transformer adopting same |
-
2013
- 2013-09-07 CN CN201320554922.8U patent/CN203415398U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569515A (en) * | 2014-12-11 | 2015-04-29 | 许继集团有限公司 | Shielding structure and common-tank electronic voltage transformer adopting same |
| CN104569515B (en) * | 2014-12-11 | 2017-08-08 | 许继集团有限公司 | A kind of shielding construction and the common case electronic type voltage transformer using this structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20140907 |
|
| EXPY | Termination of patent right or utility model |