CN203799871U - Capacitor insulating cover produced by using wasted electrical polypropylene films - Google Patents
Capacitor insulating cover produced by using wasted electrical polypropylene films Download PDFInfo
- Publication number
- CN203799871U CN203799871U CN201420112683.5U CN201420112683U CN203799871U CN 203799871 U CN203799871 U CN 203799871U CN 201420112683 U CN201420112683 U CN 201420112683U CN 203799871 U CN203799871 U CN 203799871U
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- China
- Prior art keywords
- cover body
- capacitor
- cover
- electrician
- capacitor insulating
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- 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 relates to a capacitor insulating cover produced by using wasted electrical polypropylene films, which comprises a cover body, wherein the cover body is made of the wasted electrical polypropylene films; the lower end of the cover body is provided with a cavity for two terminals at the top part of a capacitor to be embedded, the inner side of the side wall of the cavity is provided with clamping rings which are fixed on the capacitor terminal in a sleeved mode, and the inner wall of the clamping ring is in the shape of a circular arc; the top part of the cover body is provided with through holes for corresponding terminal leads to pass through, and the periphery of each of the through holes at the upper end of the cover body is provided with an upward protruding sleeve. The distance between the leads of the capacitor insulating cover is remained to be stable, insulating performance reduction caused by shortening in creep distance when the leads are wound or shrink because of heating or animals bite the wire skin can be effectively prevented, and the safety performance of the capacitor is increased. Meanwhile, the capacitor insulating cover provided by the utility model is simple in structure, convenient to process and low in cost.
Description
Technical field
The utility model relates to the external seal of a kind of capacitor, the capacitor insulation cover that specifically the useless electrician's polypropylene film of a kind of use is produced.
background technology
Conventionally, lamp capacitor or AC capacitor top are provided with two leading-out terminals, and each connecting terminals is connected to the external lead wire of a tape insulation rubber, as, the CBB65 type capacitor that Anhui Tongfeng Electronic Co. Ltd. produces.This capacitor is because two lead spacing are nearer, easily mutually be wound around, when capacitor, at high temperature (conventional capacitor maximum operating temperature is 70 degree Celsius, when temperature reaches Celsius 90～105, be the condition of high temperature while spending) during long-play, insulation rubber is easily aging and lose insulating effect, causes occurring between capacitor the two poles of the earth electric discharge and is short-circuited; Meanwhile, the exit of capacitor lead-in wire in use occurs that line skin is subject to high-temperature shrinkage to expose copper core; Or animal bites splits line skin etc., and near distance between capacitor the two poles of the earth, easily causes electric insulation intensity bust, creepage, short circuit phenomenon even, thus cause security performance to decline.
summary of the invention
The purpose of this utility model is to provide the capacitor insulation cover that the useless electrician's polypropylene film of a kind of use is produced, and can effectively guarantee the insulation gap between lead-in wire, improves the insulation property between capacitor exit lead-in wire.
The utility model is achieved in that and comprises cover body, and described cover body is made with useless electrician's polypropylene film; There is the cavity embedding for two terminals of capacitor top cover body lower end, cavity sidewalls inner side be provided with for by suit, be fixed on capacitor terminal, inwall is the snap ring of circular arc; Cover body top has the through hole passing through for respective terminal lead-in wire, and cover body upper end is provided with in each through hole surrounding the sleeve pipe raising up.
When cover body covers on terminal, lead-in wire is drawn through the sleeve pipe of through hole and through hole upper end, between two lead-in wires, not only spacing distance keeps stable, in capacitor upper end, can not be wound around, can prevent that creepage distance when lead-in wire is subject to thermal contraction or animal bites to split line skin from shortening and the decreasing insulating that causes simultaneously yet; And, due to useless electrician's polypropylene film good insulation preformance, take the cover body that electrician's polypropylene film makes as raw material and the sleeve pipe being integrally connected with cover body of giving up, good insulation preformance, increases capacitor safe performance.
In order to facilitate cover body to fix, cover body is provided with two symmetrically arranged snap rings at corresponding each terminal in cavity sidewalls inner side, and the arc length of each snap ring is not less than л/6.
Preferably, the suitable height of sleeve pipe is 3～5mm.
The utility model is by arranging and be sleeved on the insulating cover on terminal in capacitor upper end, make two spacing distances between lead-in wire keep stable, can effectively prevent that creepage distance when lead-in wire is wound around and lead-in wire is subject to thermal contraction or animal bites to split line skin from shortening and the decreasing insulating that causes; And, due to useless electrician's polypropylene film good insulation preformance, take cover body and the sleeve pipe good insulation preformance that electrician's polypropylene film makes as raw material that give up, capacitor safe performance is increased.Meanwhile, simple in structure, by injection moulding one-shot forming, easy to process, with useless electrician's polypropylene film, be raw material, processing cost is lower.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is along A-A line cutaway view in Fig. 1.
Fig. 3 is along B-B line cutaway view in Fig. 1.
Embodiment
As shown in Figure 1, Figure 2 and Figure 3, the useless electrician's polypropylene film of cover body 1 use is made; There is the cavity 3 embedding for two terminals of capacitor top cover body 1 lower end, cavity sidewalls 1 inner side be provided with for by suit, be fixed on capacitor terminal, inwall is the snap ring 6 of circular arc.
Cover body 1 top has the through hole 5 passing through for respective terminal lead-in wire, and cover body 1 upper end is provided with in each through hole 5 surrounding the sleeve pipe 4 raising up, and the height of sleeve pipe 4 is 3～5mm.
Consider convenient fixing, cover body 1 is provided with two symmetrically arranged snap rings 61,62 at corresponding each terminal in cavity sidewalls 2 inner sides, and the arc length of each snap ring 61,62 is not less than л/6.When cover body covers on terminal, each terminal both sides is and is encircled shape and clamping terminal by two snap rings 61,62.
Claims (3)
1. the capacitor insulation cover of producing with useless electrician's polypropylene film, comprises cover body (1), it is characterized in that: described cover body (1) is made with useless electrician's polypropylene film; There is the cavity (3) embedding for two terminals of capacitor top cover body (1) lower end, cavity sidewalls (2) inner side be provided with for by suit, be fixed on capacitor terminal, inwall is the snap ring (6) of circular arc; Cover body (1) top has the through hole (5) passing through for respective terminal lead-in wire, and cover body (5) upper end is provided with the sleeve pipe (4) raising up in each through hole (5) surrounding.
2. the capacitor insulation cover that the useless electrician's polypropylene film of use according to claim 1 is produced, it is characterized in that: cover body (1) is provided with two symmetrically arranged snap rings (61,62) at corresponding each terminal in cavity sidewalls (2) inner side, and the arc length of each snap ring (61,62) is not less than л/6.
3. the capacitor insulation cover that the useless electrician's polypropylene film of use according to claim 1 and 2 is produced, is characterized in that: the height of sleeve pipe (4) is 3～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112683.5U CN203799871U (en) | 2014-03-12 | 2014-03-12 | Capacitor insulating cover produced by using wasted electrical polypropylene films |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420112683.5U CN203799871U (en) | 2014-03-12 | 2014-03-12 | Capacitor insulating cover produced by using wasted electrical polypropylene films |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203799871U true CN203799871U (en) | 2014-08-27 |
Family
ID=51382066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420112683.5U Expired - Fee Related CN203799871U (en) | 2014-03-12 | 2014-03-12 | Capacitor insulating cover produced by using wasted electrical polypropylene films |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203799871U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915251A (en) * | 2014-03-12 | 2014-07-09 | 铜陵市天元新能源科技有限公司 | Capacitor insulating cover made of waste electrotechnical polypropylene film |
| CN109844880A (en) * | 2016-10-20 | 2019-06-04 | 松下知识产权经营株式会社 | Capacitor |
-
2014
- 2014-03-12 CN CN201420112683.5U patent/CN203799871U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915251A (en) * | 2014-03-12 | 2014-07-09 | 铜陵市天元新能源科技有限公司 | Capacitor insulating cover made of waste electrotechnical polypropylene film |
| CN103915251B (en) * | 2014-03-12 | 2017-02-01 | 铜陵市天元新能源科技有限公司 | Capacitor insulating cover made of waste electrotechnical polypropylene film |
| CN109844880A (en) * | 2016-10-20 | 2019-06-04 | 松下知识产权经营株式会社 | Capacitor |
| CN109844880B (en) * | 2016-10-20 | 2021-04-23 | 松下知识产权经营株式会社 | Capacitor with a capacitor element |
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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: 20140827 Termination date: 20150312 |
|
| EXPY | Termination of patent right or utility model |