CN206819877U - A kind of leakage-proof structure of electrolytic capacitor and the electrolytic capacitor comprising the structure - Google Patents
A kind of leakage-proof structure of electrolytic capacitor and the electrolytic capacitor comprising the structure Download PDFInfo
- Publication number
- CN206819877U CN206819877U CN201720461523.5U CN201720461523U CN206819877U CN 206819877 U CN206819877 U CN 206819877U CN 201720461523 U CN201720461523 U CN 201720461523U CN 206819877 U CN206819877 U CN 206819877U
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- China
- Prior art keywords
- electrolytic capacitor
- housing
- cover plate
- groove
- leakage
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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.)
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Abstract
The utility model discloses a kind of leakage-proof structure of electrolytic capacitor, including, Special-shaped seal components are arranged at the shell nozzle of electrolytic capacitor, electrolytic capacitor side edge thereof is provided with the groove with the Special-shaped seal components form fit, movable grab is provided with the top of the cover plate, the groove of the movable grab and the housing is coupled.Leakage-proof structure good seal performance provided by the utility model, and the utility model additionally provides a kind of electrolytic capacitor for including above-mentioned leakage-proof structure, good seal performance.
Description
Technical field
It the utility model is related to a kind of electrolytic capacitor field, more particularly to the leakage-proof structure and bag of a kind of electrolytic capacitor
Electrolytic capacitor containing the structure.
Background technology
Electrolytic capacitor is base components irreplaceable in various electronic products, is widely used in electric automobile, industry
The fields such as energy-conserving product, photovoltaic DC-to-AC converter.It is integrated with the fast development of high speed processing technology to carry out electronic component this year, entirely
Ball market field proposes requirements at the higher level to capacitor packages performance.Long-life, high temperature resistant, high frequency tolerant ripple current are the hairs of electrolytic capacitor
Exhibition trend.
The aluminum hull of electrolytic capacitor is the shell of electrolytic capacitor, has protection fuse, isolation capacitor core and the external world
Effect.The aluminum hull inwall of electrolytic capacitor of the prior art does not have insulating capacity, therefore electrolytic capacitor electric capacity in assembling
Around core bag must between the inwall of aluminum hull remaining larger clearance distance, to prevent from causing electric capacity because installation accuracy is not high
Core is contracted for fixed output quotas, and life is crooked to cause aluminum hull internal expansion.
Electrolytic capacitor on the market is by aluminum hull, sheath body, core bag, cover plate, and positive terminal, negative terminal
Form, cover plate is located at the bottom of aluminum barrel, and the edge of cover plate is clamped after the stage edge bending of aluminum barrel, and sheath body is placed on outside aluminum barrel, core
Bag is in aluminum barrel, and positive terminal, negative terminal are at cover plate.It is well known that the electrolyte of electrolytic capacitor
Leakage can have a strong impact on the service behaviour of electrolytic capacitor, can seriously affect electricity if electrolyte leak case is serious
The service behaviour of electrolysis condenser, make electrolytic capacitor cisco unity malfunction, influence the normal use of electrolytic capacitor；And cover plate
Because the relation of sealing is at a leakage for easily revealing electrolyte between the clamping of edge and aluminum barrel.
Utility model content
The purpose of this utility model is exactly to solve the above-mentioned problems in the prior art, proposes a kind of sealing property
Good high leakproofness electrolytic capacitor.
The purpose of this utility model is achieved through the following technical solutions：A kind of leakage-proof structure of electrolytic capacitor, including,
Special-shaped seal components are arranged at the shell nozzle of electrolytic capacitor, are provided with electrolytic capacitor side edge thereof close with the abnormity
The groove of sealing form fit, the cover plate top are provided with movable grab, and the groove of the movable grab and the housing is matched somebody with somebody
Connect.
Preferably：The Special-shaped seal components include three sections, and first paragraph is from shell rim to casing center to housing bottom
Inclined slope；Second segment is parallel to the housing bottom and the boss prominent to the casing center；3rd section is vertical
In the boss that the housing sidewall is set.
Preferably：The Special-shaped seal components are cyclic structure.
Preferably：The first end of the groove is respectively positioned at the center of the housing sidewall.
Preferably：Angle angle between the two neighboring groove is identical.
Preferably, the movable grab is hinged by hinge and the cover plate.
The utility model additionally provides a kind of electrolytic capacitor, including housing, is provided with cover plate above the housing, institute
State in housing and be provided with core bag, the core bag draws chaff by positive pole and negative pole draws chaff and connect respectively with positive terminal and negative pole
Line terminals are communicated, and the both positive and negative polarity binding post can be fixed on the cover plate by welding terminal, the cover plate be provided with
The matching hole that the both positive and negative polarity binding post is engaged, in addition to Special-shaped seal components, it is arranged on the shell nozzle of electrolytic capacitor
Place, electrolytic capacitor side edge thereof is provided with the groove with the Special-shaped seal components form fit, set at the top of the cover plate
There is movable grab, the groove of the movable grab and the housing is coupled.
The advantages of technical solutions of the utility model, is mainly reflected in：
1st, compared with prior art, the structure of profiled seal is added, makes electrolytic capacitor that there is stronger sealing property,
The sealing effectiveness of electrolytic capacitor is improved, reduces the leakage risk of electrolyte.
2nd, movable grab is further comprises on the cover plate to be coupled with the groove, adds the sealing of electrolytic capacitor,
So as to avoid jeopardizing the personal safety of operating personnel.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
In figure marked as：1--- housings, 11--- activity grabs, 2--- cover plates, 3-- core bags, 4--- Special-shaped seal components,
5--- grooves, 6--- hinges.
Embodiment
The purpose of this utility model, advantage and feature, figure will be carried out by the non-limitative illustration of preferred embodiment below
Show and explain.These embodiments are only the prominent examples using technical solutions of the utility model, all to take equivalent substitution or wait
Effect conversion and formed technical scheme, all fall within the requires of the utility model protection within the scope of.
As shown in figure 1, a kind of high leakproofness electrolytic capacitor, including housing 1, the top of the housing 1 are provided with cover plate
2.In the present embodiment, the material of the cover plate 2 can be divided into two parts, and top is phenolic materials, and periphery is rubber layer, from rubber
The reason for glue-line is because quality of rubber materials is soft, has preferable sealing effectiveness, and can fix well.The cover plate can also it
Its material, coordinate as long as can realize with the sealing of the housing.
Be provided with core bag in the housing 1, the core bag by positive pole draws chaff and negative pole draw chaff respectively with positive terminal
Terminal and negative terminal are communicated, and the both positive and negative polarity binding post can be fixed on by welding terminal on the cover plate 2, described
Cover plate 2 is provided with the matching hole being engaged with the both positive and negative polarity binding post, and the matching hole is used to make the positive terminal
Son 5, the negative terminal 6 draw chaff by positive pole described in the Kong Bingyu, the negative pole draws chaff connection.
The opening of the housing 1 is provided with a Special-shaped seal components 4, and in the present embodiment, the Special-shaped seal components 4 are specifically set
Put at the upper end open structure of the housing 1, the top of the cover plate 2 and the Special-shaped seal components 4 of the opening of housing 1 have
There is the groove that shape matches, in mating process, the achievable cover plate 2 is fixedly connected with the housing 1, and then is ensured
The steadiness of the electrolytic capacitor.The Special-shaped seal components 4 include three sections, first paragraph be from shell rim to casing center to
The inclined slope of housing bottom；Second segment is parallel to the housing bottom and the boss prominent to the casing center；3rd
Section is the boss set perpendicular to the housing sidewall.Compared with prior art, the setting of the different in nature seal 4 ties sealing
The sealing of structure and cover plate has stronger sealing property, and the electrolytic capacitor needs not worry about electrolyte and let out in use
Dew and the electrolytic capacitor are easy to fall off.In the technical program, the Special-shaped seal components 4 can be cyclic structure, the ring-type
The setting of structure may be such that the sealing effectiveness of the electrolytic capacitor is more preferable, and also have job stability at high operating temperatures
It is good, the leakage risk of the electrolytic capacitor is greatly reduced, can industrially be widely used.
As shown in figure 1, a groove 5 is offered on the outer surface of shown housing.The groove is multiple, and the groove can
For arbitrary shape, for example deep-slotted chip breaker or cross section are groove of triangle etc..The first end of each groove is connected to same point,
The depth of the groove is preferably 1 ~ 5mm.The first end of each groove is respectively positioned at the center of the side wall of housing 1.It is adjacent
Angle angle between two grooves is identical, and the setting of the angle causes each groove to be evenly distributed.The technical program it is another
One embodiment：Also include a movable grab being hinged by hinge 6 and the cover plate at the top of cover plate, the movable grab and
Clamping fixed is coupled in groove.Increase the sealing of electrolytic capacitor.
Traditional electrolytic capacitor and housing are all cylindrical types, are experimentally confirmed, with 400V/1100uF, 85 degree,
Exemplified by the product of 5000h specifications, in load condition, environment temperature is that the core bag center temperature rise of cylinder product under 85 degree is 1.5
Degree, resistance to ripple current ability is 18A, and in the technical program, the center temperature rise of oval product core bag is 1 degree, resistance to ripple current
Ability is 21A.
Electrolytic capacitor structure of the present utility model is simple, reasonable in design, and sealing effectiveness is obvious.The utility model not only has
The characteristics of lossy low, electric leakage is small, good airproof performance and service life are long, but also with job stability at high operating temperatures
Good, the electrolyte in electrolytic capacitor will not be revealed.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit and essential characteristics of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model, any reference in claim should not be considered as into limitation
Involved claim.
It the above is only preferred embodiment of the present utility model, it is noted that above-mentioned preferred embodiment should not regard
For that should be defined to limitation of the present utility model, the scope of protection of the utility model by claim limited range.For
For those skilled in the art, do not departing from spirit and scope of the present utility model, can also make some
Improvements and modifications, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (6)
- A kind of 1. leakage-proof structure of electrolytic capacitor, it is characterised in that：Including Special-shaped seal components（4）It is arranged on electrolytic capacitor Shell nozzle at, in the cover plate of electrolytic capacitor（2）Edge is provided with the groove with the Special-shaped seal components form fit, institute State and be provided with movable grab at the top of cover plate（11）, the movable grab and the housing（1）Groove（5）Mating；The abnormity Seal（4）Including three sections, first paragraph is from shell rim to casing center to the inclined slope of housing bottom；Second segment is flat Row is in the housing bottom and the boss prominent to the casing center；3rd section is perpendicular to the convex of housing sidewall setting Platform.
- A kind of 2. leakage-proof structure of electrolytic capacitor according to claim 1, it is characterised in that：The Special-shaped seal components （4）For cyclic structure.
- A kind of 3. leakage-proof structure of electrolytic capacitor according to claim 2, it is characterised in that：The groove（5） One end is respectively positioned on the housing（1）At the center of side wall.
- A kind of 4. leakage-proof structure of electrolytic capacitor according to claim 3, it is characterised in that：The two neighboring groove Between angle angle it is identical.
- A kind of 5. leakage-proof structure of electrolytic capacitor according to claim 4, it is characterised in that the movable grab（11） Pass through hinge（6）With the cover plate（2）It is be hinged.
- 6. a kind of electrolytic capacitor, including housing（1）, the housing（1）Top cover plate is installed（2）, the housing（1）It is interior Provided with core bag（3）, the core bag（3）Chaff is drawn by positive pole and negative pole draw chaff respectively with positive terminal and negative terminal Terminal communicates, and the both positive and negative polarity binding post can be fixed on the cover plate by welding terminal（2）On, the cover plate（2）On set There is the matching hole being engaged with the both positive and negative polarity binding post, it is characterised in that also including Special-shaped seal components（4）, it is arranged on electricity At the shell nozzle of electrolysis condenser, in electrolytic capacitor cover plate（2）Edge is provided with and the Special-shaped seal components form fit Groove, the cover plate top are provided with movable grab（11）, the movable grab and the housing（1）Groove（5）Mating；Institute State Special-shaped seal components（4）Including three sections, first paragraph is from shell rim to casing center to the inclined slope of housing bottom；Second Section is parallel to the housing bottom and the boss prominent to the casing center；3rd section is to be set perpendicular to the housing sidewall The boss put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461523.5U CN206819877U (en) | 2017-04-28 | 2017-04-28 | A kind of leakage-proof structure of electrolytic capacitor and the electrolytic capacitor comprising the structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720461523.5U CN206819877U (en) | 2017-04-28 | 2017-04-28 | A kind of leakage-proof structure of electrolytic capacitor and the electrolytic capacitor comprising the structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206819877U true CN206819877U (en) | 2017-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720461523.5U Expired - Fee Related CN206819877U (en) | 2017-04-28 | 2017-04-28 | A kind of leakage-proof structure of electrolytic capacitor and the electrolytic capacitor comprising the structure |
Country Status (1)
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| CN (1) | CN206819877U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550463A (en) * | 2018-05-23 | 2018-09-18 | 苏州宏泉高压电容器有限公司 | A kind of high voltage ceramic capacitor insulation suit shell |
-
2017
- 2017-04-28 CN CN201720461523.5U patent/CN206819877U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550463A (en) * | 2018-05-23 | 2018-09-18 | 苏州宏泉高压电容器有限公司 | A kind of high voltage ceramic capacitor insulation suit shell |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |