CN105185585A - Gas-filled capacitor - Google Patents
Gas-filled capacitor Download PDFInfo
- Publication number
- CN105185585A CN105185585A CN201510610353.8A CN201510610353A CN105185585A CN 105185585 A CN105185585 A CN 105185585A CN 201510610353 A CN201510610353 A CN 201510610353A CN 105185585 A CN105185585 A CN 105185585A
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- China
- Prior art keywords
- shell
- gas
- air bag
- capacitor
- metal shell
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- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention discloses a gas-filled capacitor comprising a metal shell and a capacitor core group which is arranged in the metal shell. An insulating layer is arranged between the capacitor core group and the metal shell. The shell is internally filled with inert gas. The top end of the metal shell is provided with a top cover which buckles the metal shell. The top cover is provided with two wiring ends. The shell is externally sleeved by a layer of protective shell. A gas bag in the compressed state is arranged between the protective shell and the shell. The gas bag completely wraps the shell and is connected with the two wiring ends in a sealing way. The protective shell is provided with a through hole for expansion of the gas bag. Gas pressure in the shell is consistent with gas pressure of external environment.
Description
Technical field
The present invention relates to a kind of capacitor, be specifically related to a kind of gas filled capacitor.
Background technology
Gas filled capacitor, by filling inert gas, slows down the speed that oxidation occurs capacitor internal assembly, and improves the insulation property between capacitor internal assembly.But the interior pressure of gas filled capacitor also needs strictly to control, inside press through that height can cause condenser breakdown, filler leaks; And in press through low, then can affect the electric property of capacitor, make capacitor internal assembly easily oxidized, the useful life of shortening capatcitor.And the blanketing gas gas that normally chemical property is very stable that some dielectric property are good, these gas replaces the air of capacitor internal, can make capacitor metalized film that oxidative phenomena does not occur, and improves capacitor stability; Perhaps, these gases itself do not have poison, but the suction of oxygen can be affected after people sucks, still can cause comparatively major injury to human body, therefore the leakproof work for the blanketing gas in gas filled capacitor is very important, and existing gas filled capacitor lack leakage-proof structure, bring risk to the use of filled type capacitor.
Summary of the invention
The invention is intended to provide a kind of capacitor, to solve the problem that existing gas-filled type electric capacity lacks the structure preventing blanketing gas from leaking.
Following scheme is taked for overcoming the above problems:
Scheme one: gas-filled type electric capacity, comprises metal shell and is arranged on the capacitor core group in metal shell, be provided with insulating barrier, be filled with inert gas in described shell between described capacitor core group and described metal shell; The top of described metal shell is provided with top cover, and described top cover is fastened on described metal shell; Described top cover is provided with two terminals; One deck containment vessel is socketed with outside described shell; Be provided with air bag between described containment vessel and described shell, described air bag is wrapped in outer surface of outer cover, and two terminals sealings pass air bag; Described containment vessel has the through hole expanded for air bag; Air pressure in described shell is consistent with the air pressure of external environment.
Operation principle:
When there being Leakage Gas; inert gas drains to air bag through shell in shell; because inflation in the closed environment that air bag is formed, air bag outside deformed dilation from the through hole of containment vessel of expansion, till the air pressure in air bag and ambient pressure reach balance again.
Beneficial effect:
1. gas-filled type electric capacity, comprises metal shell and is arranged on the capacitor core group in metal shell, be provided with insulating barrier, be filled with inert gas in described shell between described capacitor core group and described metal shell; Effectively accomplish electric isolution by insulating barrier and inert gas, meanwhile, can slow down with inert gas the speed that oxidation occurs capacitor internal assembly, insulation property between the assembly that improve capacitor internal.
2. described in, the top of metal shell is provided with top cover, and described top cover is fastened on described metal shell; Described top cover is provided with two terminals; Be conducive to the filling of inert gas, and with the connection of other components and parts.
3. outside shell described in, be socketed with one deck containment vessel; Be provided with the air bag being in compressive state between described containment vessel and described shell, described air bag wraps up described shell completely and closes with two terminals and is connected; Described containment vessel has the through hole expanded for air bag; Air pressure in described shell is consistent with the air pressure of external environment; Be conducive to making air bag form enclosed environment, completely the inert gas leaked out all taken in.Meanwhile, the air bag being full of gas can also be protected can not to be poked by hard object with containment vessel.
4. the present invention is by wrapping up the air bag of shell completely, and effectively prevent inert gas in gas filled capacitor and leak the environmental pollution caused, material therefor of the present invention is all common material, low price, is convenient to promote.
Scheme two: at the enterprising one-step optimization in the basis of scheme one, the edge of described through hole is smooth edge, avoids air bag to be scratched because the edge of through hole is too sharp when expanding.
Scheme three: at the enterprising one-step optimization in the basis of scheme one, described air bag is rubber pneumatic bag, and rubber has good shrinkage, the air bag small volume when unaerated can be made, make the convenient collection of the present invention, inert gas can be received as much as possible again after inflation, easy to use, capacity is large.
Scheme four: at the enterprising one-step optimization in the basis of scheme one, described air bag is cementing on two terminals, be conducive to making the external hull shape of air bag become sealing to surround, inert gas absorbed in air bag when leaking gas by gas filled capacitor completely, avoiding inert gas contaminated environment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference numeral in Figure of description comprises: shell 1, capacitor core group 2, insulating barrier 3, inert gas 4, top cover 5, terminals 6, containment vessel 7, air bag 8.
As shown in Figure 1, gas-filled type electric capacity, the capacitor core group 2 comprising aluminum alloy casing 1 and be arranged in shell 1, is pasted with insulating barrier 3 between capacitor core group 2 and shell 1, is filled with inert gas 4 in shell 1 on the inwall of shell 1; The top of shell 1 is connected with top cover 5, and top cover 5 is fastened on metal shell 1; Top cover 5 is welded with two terminals 6; One deck containment vessel 7 is socketed with outside shell 1; The air bag 8 that one deck is in compressive state is enclosed with between containment vessel 7 and shell 1; air bag 8 is cementing on two terminals 6; air bag 8 wraps up shell 1 completely; be conducive to making air bag 8 pairs of shells 1 form sealing to surround; inert gas 4 being absorbed in air bag 8 when leaking gas by gas filled capacitor completely, avoiding inert gas 4 contaminated environment.
Containment vessel 7 has the through hole expanded for air bag 8; The edge of through hole is smooth edge, avoids air bag 8 to be scratched because painful edge is too sharp when expanding.Air bag 8 is made for rubber, and rubber has good shrinkage, can make air bag 8 small volume when unaerated, and make the convenient collection of the present invention, can receive inert gas 4 as much as possible again after inflation, easy to use, capacity is large.
Air pressure in shell 1 is consistent with the air pressure of external environment, makes the external condition that the gas in shell 1 does not leak, and reduces leakage accident and occurs.The outer surface of shell 1 scribbles layer of active carbon, is conducive to absorbing by active carbon the gas leaked out, and reduces air bag 8 expanding volume.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection range that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (4)
1. gas filled capacitor, is characterized in that: comprise metal shell and be arranged on the capacitor core group in metal shell, be provided with insulating barrier, be filled with inert gas in described shell between described capacitor core group and described metal shell; The top of described metal shell is provided with top cover, and described top cover is fastened on described metal shell; Described top cover is provided with two terminals; One deck containment vessel is socketed with outside described shell; Be provided with the air bag being in compressive state between described containment vessel and described shell, described air bag wraps up described shell completely and closes with two terminals and is connected; Described containment vessel has the through hole expanded for air bag; Air pressure in described shell is consistent with the air pressure of external environment.
2. gas filled capacitor according to claim 1, is characterized in that: the edge of described through hole is smooth edge.
3. gas filled capacitor according to claim 1, is characterized in that: described air bag is rubber pneumatic bag.
4. gas filled capacitor according to claim 1, is characterized in that: described air bag is cementing on two terminals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610353.8A CN105185585A (en) | 2015-09-23 | 2015-09-23 | Gas-filled capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510610353.8A CN105185585A (en) | 2015-09-23 | 2015-09-23 | Gas-filled capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105185585A true CN105185585A (en) | 2015-12-23 |
Family
ID=54907600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510610353.8A Pending CN105185585A (en) | 2015-09-23 | 2015-09-23 | Gas-filled capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105185585A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565078A (en) * | 2017-09-01 | 2018-01-09 | 王武生 | A kind of method for preventing lithium ion battery combustion explosion |
| CN114678211A (en) * | 2022-05-27 | 2022-06-28 | 南通西东电器有限公司 | Miniature intelligent harmonic suppression capacitor |
-
2015
- 2015-09-23 CN CN201510610353.8A patent/CN105185585A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565078A (en) * | 2017-09-01 | 2018-01-09 | 王武生 | A kind of method for preventing lithium ion battery combustion explosion |
| CN114678211A (en) * | 2022-05-27 | 2022-06-28 | 南通西东电器有限公司 | Miniature intelligent harmonic suppression capacitor |
| CN114678211B (en) * | 2022-05-27 | 2022-08-09 | 南通西东电器有限公司 | Miniature intelligent harmonic suppression capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151223 |