CN207663942U - A kind of aluminium electrolutic capacitor with leakage-proof structure - Google Patents
A kind of aluminium electrolutic capacitor with leakage-proof structure Download PDFInfo
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- CN207663942U CN207663942U CN201721244936.4U CN201721244936U CN207663942U CN 207663942 U CN207663942 U CN 207663942U CN 201721244936 U CN201721244936 U CN 201721244936U CN 207663942 U CN207663942 U CN 207663942U
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- explosion
- proof
- sealing film
- aluminium electrolutic
- electrolutic capacitor
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Abstract
The utility model provides a kind of aluminium electrolutic capacitor with leakage-proof structure, including：Operating room, sealing film and explosion-proof valve；The sealing film is tightly connected with the operating room, and the explosion-proof valve connect with the sealing film, has cavity between the explosion-proof valve and the sealing film, sorbing material is placed in the cavity.The utility model has the function of dual anti-leak, and explosion-proof valve opening causes electrolyte to be revealed when can not only prevent aluminium electrolutic capacitor from breaking down, and is also prevented from electrolyte when explosion-proof valve is opened caused by aluminium electrolutic capacitor failure and leaks into outside capacitor.
Description
Technical field
The utility model is related to capacitor technology fields, and in particular to a kind of alminium electrolytic condenser with leakage-proof structure
Device.
Background technology
Currently, aluminium electrolutic capacitor has a large amount of use in various electronic circuits, circuit board, play in daily life
Increasingly important role.There is strong corrosive electrolyte in aluminium electrolutic capacitor, the meeting when aluminium electrolutic capacitor breaks down
Bulk gas is generated, and then the phenomenon that gas washes explosion-proof valve open occurs, electrolyte inside is often with high pressure gas at this time
It is sprayed together from explosion-proof valve, the electrolyte of ejection can pollute corrosion to the circuit board and component of surrounding and even result in short circuit
Generation.Therefore, in order to meet the high temperature resistant between explosion-proof valve and the electrolyte container of aluminium electrolutic capacitor, it is corrosion-resistant, sealing
It is reliable equal to require, while safety when in order to protect aluminium electrolutic capacitor to break down, it is necessary to design a kind of safe and reliable
Leakage-proof structure.
Utility model content
To solve the above-mentioned problems, the utility model provides a kind of aluminium electrolutic capacitor with leakage-proof structure.This reality
Have the function of dual anti-leak with novel aluminium electrolutic capacitor, it is explosion-proof when can not only prevent aluminium electrolutic capacitor from breaking down
Valve opening causes electrolyte to be revealed, and is also prevented from electrolyte when explosion-proof valve is opened caused by aluminium electrolutic capacitor failure and leaks into
Outside capacitor.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows：
A kind of aluminium electrolutic capacitor with leakage-proof structure, including：Operating room, sealing film and explosion-proof valve；It is described close
Sealing film and the operating room are tightly connected, and the explosion-proof valve is connect with the sealing film, the explosion-proof valve with it is described close
It is provided with cavity between sealing film, sorbing material is placed in the cavity.
Further, electrolyte is contained in the operating room.
Further, the sealing film is located at the lower part of the aluminium electrolutic capacitor with the explosion-proof valve.
Further, the sealing film is 3mm~5mm at a distance from the explosion-proof valve.
Further, the material of the sealing film is Teflon or silicon rubber.
Further, the explosion-proof pressure of the sealing film is 1.1MPa-1.5MPa.
Further, a meter type structure is provided on the explosion-proof valve.
Further, the explosion-proof pressure of the explosion-proof valve is 1.1MPa-1.5MPa.
Further, the explosion-proof pressure of the sealing film is less than or equal to the explosion-proof pressure of the explosion-proof valve.
Further, the difference of the explosion-proof pressure of the explosion-proof pressure of the sealing film and the explosion-proof valve is less than 0.2MPa.
Further, the sorbing material is the ventilative sorbing material of high temperature resistant.
Further, the high temperature resistant breathe freely sorbing material be activated carbon, activated alumina, one kind in high chrysotile or
It is several.
The utility model obtain advantageous effect be：
(1) be equipped with one layer of sealing film close to bottom in aluminium electrolutic capacitor, the explosion-proof pressure of sealing film be arranged to
The explosion-proof pressure of explosion-proof valve is close, when aluminium electrolutic capacitor internal pressure increases, first breaks through sealing film, plays the work of pressure release
With explosion-proof valve opening causes electrolyte to be revealed when can prevent aluminium electrolutic capacitor from breaking down.
(2) it is contained with sorbing material in the cavity of sealing film and explosion-proof valve, when aluminium electrolutic capacitor internal pressure increases
Electrolyte big when breaking through sealing film and explosion-proof valve, that sorbing material then can be in adsorbed gas, prevents it from leaking into outside capacitor
Portion.
Description of the drawings
Fig. 1 is the aluminium electrolutic capacitor structure chart provided by the utility model with leakage-proof structure.
Fig. 2 is the vertical view of explosion-proof valve provided by the utility model.
Reference sign：Operating room 1, sealing film 2, explosion-proof valve 3, cavity 4, sorbing material 5.
Specific implementation mode
As described below is preferred embodiments of the present invention, and what the utility model was protected is not limited to following preferred
Embodiment.It should be pointed out that for those skilled in the art on the basis of this utility model is conceived, that makes is several
Modification and improvement belong to the scope of protection of the utility model.
Referring to the drawings 1 with attached drawing 2, the aluminium electrolutic capacitor with leakage-proof structure of the utility model is made into one
Step detailed description.
As shown in Figures 1 and 2, a kind of aluminium electrolutic capacitor with leakage-proof structure of the utility model, operating room 1,
Sealing film 2 and explosion-proof valve 3；The sealing film 2 is connect with the operating room 1, the explosion-proof valve 3 and the sealing film 2
Connection, cavity 4 is provided between the explosion-proof valve 3 and the sealing film 2, sorbing material 5 is placed in the cavity 4.
In a specific embodiment of the utility model, Working electrolyte is contained in the operating room 1.The work electricity
It is solvent that solution liquid, which is ethylene glycol, using straight-chain carboxylic acid and its salt as major solute, and is aided with other various additives and is formulated.No
With the electrolyte for containing variety classes and different number in the aluminium electrolutic capacitor of model, so that aluminium electrolutic capacitor can fit
For different equipment.
In a specific embodiment of the utility model, the sealing film 2 is tightly connected with the operating room 1, really
Protect when the aluminium electrolutic capacitor works normally, the sealing film 2 obstruct the operating room 1 be connected to the cavity 4 with
Obstruct electrolyte so that the electrolyte in the operating room 1 is independent of each other with the sorbing material 5 in the cavity 4.
In a specific embodiment of the utility model, the sealing film 2 is located at aluminium electricity with the explosion-proof valve 3
The lower part of electrolysis condenser, the sealing film 2 are 3mm~5mm at a distance from the explosion-proof valve 3.The sealing film 2 with it is described
The distance of explosion-proof valve 3 can be adjusted accordingly according to aluminium electrolutic capacitor model, so that the electricity of the size of cavity 4 and operating room 1
Solve liquid phase matching, it is ensured that cavity 4 can accept the electrolyte of leakage when aluminium electrolutic capacitor breaks down, to ensure alminium electrolytic condenser
Device it is safe to use.
In a specific embodiment of the utility model, the material of the sealing film 2 is Teflon or silicon rubber.Iron
There is excellent corrosion-and high-temp-resistant energy, chemical property to stablize for fluorine dragon and silicon rubber, it is ensured that not influence alminium electrolytic condenser
The normal performance of device and service life.
In a specific embodiment of the utility model, the explosion-proof pressure of the sealing film 2 is 1.1MPa-
1.5MPa。
In a specific embodiment of the utility model, a meter type structure is provided on the explosion-proof valve 3.Rice type structure is anti-
Quick-fried valve 3 is new type explosion proof structure, and valve opening position is more concentrated when internal gas leaks.
In a specific embodiment of the utility model, the explosion-proof pressure of the explosion-proof valve 3 is 1.1MPa-1.5MPa.
In a specific embodiment of the utility model, the explosion-proof pressure of the sealing film 2 is less than or equal to described
The explosion-proof pressure of explosion-proof valve 3.
In a specific embodiment of the utility model, the explosion-proof pressure of the sealing film 2 and the explosion-proof valve 3
The difference of explosion-proof pressure is less than 0.2MPa.Specifically, the explosion-proof pressure of the explosion-proof pressure of the sealing film 2 and the explosion-proof valve 3
It is close, with ensure the normal work of aluminium electrolutic capacitor with it is safe to use.
In a specific embodiment of the utility model, the sorbing material 5 is the ventilative sorbing material of high temperature resistant.Absorption
Material 5 needs to have excellent high temperature resistance, to ensure sorbing material 5 at a temperature of the hot operation of aluminium electrolutic capacitor
Keep stable performance.
In a specific embodiment of the utility model, the high temperature resistant breathes freely sorbing material as activated carbon, active oxygen
Change one or more of aluminium, high chrysotile.Specifically, activated carbon, activated alumina, high chrysotile adsorption capacity are good, absorption
Selectivity is good, and chemical property is stablized, it is ensured that stable performance is kept at a temperature of hot operation, to ensure that sorbing material 5 exists
Electrolyte plays its absorption property when revealing.
Aluminium electrolutic capacitor provided by the utility model with leakage-proof structure：One side sealing film 2 not only can be with
When aluminium electrolutic capacitor works normally, isolation electrolyte and sorbing material 5 make the two be independent of each other, ensure alminium electrolytic condenser
Device works normally, and the explosion-proof pressure of sealing film 2 and the explosion-proof pressure of explosion-proof valve 3 are close, make the explosion-proof energy of sealing film 2
Power ensures the normal explosion-proof performance of aluminium electrolutic capacitor close to explosion-proof valve 3, and pressure release is obtained by the high pressure gas of sealing film 2,
The opening of explosion-proof valve 3 causes electrolyte to be revealed when can prevent aluminium electrolutic capacitor from breaking down；On the other hand, in sealing film 2
It is placed with sorbing material 5 in the cavity 4 of explosion-proof valve 3, when sealing film 2 is broken through in the increase of aluminium electrolutic capacitor internal pressure and is prevented
When quick-fried valve 3, the electrolyte that sorbing material 5 then can be in adsorbed gas prevents it from leaking into outside capacitor.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (10)
1. a kind of aluminium electrolutic capacitor with leakage-proof structure, which is characterized in that including：Operating room (1), sealing film (2)
With explosion-proof valve (3)；The sealing film (2) connect with the operating room (1), the explosion-proof valve (3) and the sealing film (2)
Connection is provided with cavity (4) between the explosion-proof valve (3) and the sealing film (2), suction is placed in the cavity (4)
Enclosure material (5).
2. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the operating room
(1) electrolyte is contained in.
3. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the sealing film
(2) it is located at the lower part of the aluminium electrolutic capacitor, the sealing film (2) and the explosion-proof valve (3) with the explosion-proof valve (3)
Distance is 3mm~5mm.
4. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the sealing film
(2) material is Teflon or silicon rubber.
5. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the explosion-proof valve
(3) a meter type structure is provided on.
6. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the sealing film
(2) explosion-proof pressure is 1.1MPa-1.5MPa, and the explosion-proof pressure of the explosion-proof valve (3) is 1.1MPa-1.5MPa.
7. the aluminium electrolutic capacitor according to claim 6 with leakage-proof structure, which is characterized in that the sealing film
(2) explosion-proof pressure is less than or equal to the explosion-proof pressure of the explosion-proof valve (3).
8. the aluminium electrolutic capacitor according to claim 6 with leakage-proof structure, which is characterized in that the explosion-proof valve
(3) difference of the explosion-proof pressure of explosion-proof pressure and the sealing film (2) is less than 0.2MPa.
9. the aluminium electrolutic capacitor according to claim 1 with leakage-proof structure, which is characterized in that the sorbing material
(5) it is the ventilative sorbing material of high temperature resistant.
10. the aluminium electrolutic capacitor according to claim 9 with leakage-proof structure, which is characterized in that the high temperature resistant
Ventilative sorbing material is one kind in activated carbon, activated alumina, high chrysotile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244936.4U CN207663942U (en) | 2017-09-27 | 2017-09-27 | A kind of aluminium electrolutic capacitor with leakage-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721244936.4U CN207663942U (en) | 2017-09-27 | 2017-09-27 | A kind of aluminium electrolutic capacitor with leakage-proof structure |
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| Publication Number | Publication Date |
|---|---|
| CN207663942U true CN207663942U (en) | 2018-07-27 |
Family
ID=62935965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721244936.4U Active CN207663942U (en) | 2017-09-27 | 2017-09-27 | A kind of aluminium electrolutic capacitor with leakage-proof structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192515A (en) * | 2018-10-11 | 2019-01-11 | 南通新三能电子有限公司 | A kind of operating voltage is 550 volts of aluminium electrolutic capacitors and its manufacturing method |
| CN111916287A (en) * | 2019-05-08 | 2020-11-10 | 上海闻亭实业有限公司 | Method for preparing totally-enclosed leakage-proof electrolytic capacitor (module) |
-
2017
- 2017-09-27 CN CN201721244936.4U patent/CN207663942U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109192515A (en) * | 2018-10-11 | 2019-01-11 | 南通新三能电子有限公司 | A kind of operating voltage is 550 volts of aluminium electrolutic capacitors and its manufacturing method |
| CN111916287A (en) * | 2019-05-08 | 2020-11-10 | 上海闻亭实业有限公司 | Method for preparing totally-enclosed leakage-proof electrolytic capacitor (module) |
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