CN201732691U - Aluminum electrolytic capacitor - Google Patents
Aluminum electrolytic capacitor Download PDFInfo
- Publication number
- CN201732691U CN201732691U CN 201020194968 CN201020194968U CN201732691U CN 201732691 U CN201732691 U CN 201732691U CN 201020194968 CN201020194968 CN 201020194968 CN 201020194968 U CN201020194968 U CN 201020194968U CN 201732691 U CN201732691 U CN 201732691U
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- CN
- China
- Prior art keywords
- electric capacity
- aluminum electrolytic
- electrolytic capacitor
- metal stator
- capacity body
- 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
An aluminum electrolytic capacitor comprises a capacitor body, two electrode connecting pins and a metal fixed sheet. The capacitor body includes a base and an insulating rubber film; the two electrode connecting pins are arranged at one end of the base; the metal fixed sheet is arranged at the other end of the base opposite to the two electrode connecting pins; the metal fixed sheet is provided with a combined portion and a welded portion; the combined portion is arranged on the surface of the other end of the base; the welded portion extends out of the capacitor body; the insulating rubber film of the capacitor wraps the outer side of the base and at least wraps the periphery of the combined portion so that the metal fixed sheet is fixedly combined to the capacitor body; and the welded portion of the metal fixed sheet can be fixedly welded on a printed circuit board so that the aluminum electrolytic capacitor is stably fixed.
Description
Technical field
The utility model relates to a kind of electrolytic capacitor, particularly a kind of aluminum electrolytic capacitor that can firmly be fixed on the printed circuit board (PCB).
Background technology
The capacitor main application comprises Charge Storage, ac filter, bypass, cut-out or stops direct voltage, the usefulness of tuning and vibration is provided, various different capacitors have the characteristic of different capacitors, thereby its function and range of application are also different, wherein the static capacity of aluminum electrolytic capacitor is higher and manufacturing cost is lower, the scope of application is more extensive, comprise communication electronics and motor product, for example power supply unit, motherboard, monitor and sound equipment etc. all can use aluminum electrolytic capacitor.
When known aluminum electrolytic capacitor is installed on the printed circuit board (PCB), utilize two electrode pins of aluminum electrolytic capacitor to inject the default jack of printed circuit board (PCB), send into tin stove and fixing again with the scolding tin welding, and damage in order to prevent aluminum electrolytic capacitor to be subjected to external force influence or come off by printed circuit board (PCB), usually utilize artificial mode between aluminum electrolytic capacitor and printed circuit board (PCB), to carry out a glue in addition, thus, can't guarantee that each aluminum electrolytic capacitor all has and carry out a glue, and colloid may come off, its fixed effect is not good, also can labor intensive, when increasing worker and cost.
Summary of the invention
Main purpose of the present utility model, be to provide a kind of aluminum electrolytic capacitor, its electric capacity body is combined with a metal stator, and the weld part of this metal stator can be weldingly fixed on the printed circuit board (PCB), provides a more firm immobilization efficiencies to this aluminum electrolytic capacitor whereby.
In order to realize above-mentioned purpose, the utility model provides a kind of aluminum electrolytic capacitor, comprising: an electric capacity body, and it comprises a matrix and an insulation glued membrane; Two electrode pins, it is arranged at an end of the matrix of this electric capacity body; An and metal stator, it is arranged at the other end of relative this two electrodes pin of matrix of this electric capacity body, this metal stator has a joint portion that is arranged at the other end surface of this matrix, and one stretches out this external weld part of this electric capacity, the insulation glued membrane of this electric capacity body envelopes this matrix outside and envelopes the peripheral region of this joint portion at least, so that this metal stator secure bond is in this electric capacity body.
Preferred embodiment as above-mentioned aluminum electrolytic capacitor, this metal stator also comprises an extension that extends away from the direction of this electric capacity body from this joint portion court, and this weld part extends to form down and protrudes out outside the bottom of this electric capacity body from this extension end.
As a preferred embodiment of above-mentioned aluminum electrolytic capacitor, the extension of this metal stator forms towards the direction horizontal-extending away from this electric capacity body from the bottom of this joint portion.
Preferred embodiment as above-mentioned aluminum electrolytic capacitor, this insulation glued membrane is provided with one first opening in the position corresponding to this two electrodes pin, and this insulation glued membrane is provided with one second opening in the position corresponding to the extension of this metal stator, this two electrodes pin is arranged in this first opening, and the extension of this metal stator is arranged in this second opening.
As a preferred embodiment of above-mentioned aluminum electrolytic capacitor, the matrix of this electric capacity body is the elongated cylinder that an along continuous straight runs extends.
As a preferred embodiment of above-mentioned aluminum electrolytic capacitor, the metal stator that this metal stator is a tinplate.
The utlity model has following beneficial effect: the utility model aluminum electrolytic capacitor can utilize the weld part of this metal stator and be fixedly welded on the printed circuit board (PCB), to strengthen fixed effect to this aluminum electrolytic capacitor, even if in the vibration that is subjected to external force or when rocking, this aluminum electrolytic capacitor also is difficult for being damaged or by coming off on the printed circuit board (PCB).Moreover, the utility model only needs the welding procedure via once, just can be simultaneously the weld part of this two electrodes pin and this metal stator be welded on the printed circuit board (PCB), and need not in addition manually to carry out a glue, simplify manufacturing process whereby, shorten the man-hour of making, and reduce the cost of making.
For enabling further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Fig. 1 is the three-dimensional exploded view of the utility model aluminum electrolytic capacitor.
Fig. 2 is another angle three-dimensional exploded view of the utility model aluminum electrolytic capacitor.
Fig. 3 is the three-dimensional combination figure of the utility model aluminum electrolytic capacitor.
Fig. 4 is the 4-4 cutaway view of Fig. 3.
Description of reference numerals in the above-mentioned accompanying drawing is as follows:
10 electric capacity bodies
11 matrixes
12 insulation glued membranes
121 first openings
122 second openings
20 electrode pins
30 metal stators
31 joint portions
32 extensions
33 weld parts
Embodiment
The utility model provides a kind of aluminum electrolytic capacitor (EC Capacitor, be called for short EC CAP), sees also Fig. 1 to shown in Figure 3, and this aluminum electrolytic capacitor comprises: an electric capacity body 10, two electrode pins 20, an and metal stator 30.
This electric capacity body 10 comprises a matrix 11, reaches an insulation glued membrane 12.This matrix 11 is the elongated cylinder that an along continuous straight runs extends, the film of this insulation glued membrane 12 for making with insulating material, it is coated on the outside of this matrix 11, and this insulation glued membrane 12 can be printed with the literal of relevant informations such as the capacity, specification, model of this aluminum electrolytic capacitor at the outer surface of its circular arc.
This two electrodes pin 20 is arranged at an end of the matrix 11 of this electric capacity body 10, and realizes electrically connecting with this matrix 11.This two electrodes pin 20 has different polarity, and its length can be identically, or one is long and the other is short.The jack (figure do not show) of this two electrodes pin 20 in order to be inserted in a printed circuit board (PCB), and realize electrically connecting with this printed circuit board (PCB).
This metal stator 30 is arranged at the other end of matrix 11 relative these two electrodes pins 20 of this electric capacity body 10, this metal stator 30 has a joint portion 31, reaches a weld part 33, wherein this joint portion 31 is arranged at the other end surface of the matrix 11 of this electric capacity body 10, the shaped slightly semicircular in shape of this joint portion 31, its upper surface is a cambered surface, and the upper surface of this joint portion 31 flushes in the outer fringe surface of this matrix 11.And this weld part 33 stretches out outside this electric capacity body 10.In addition, the material of above-mentioned metal stator 30 does not have qualification, and the preferably makes with tinplate.
The insulation glued membrane 12 of this electric capacity body 10 envelopes these matrix 11 outsides simultaneously and envelopes the peripheral region of the joint portion 31 of this metal stator 30 (please cooperate consult shown in Figure 4) at least, so that these metal stator 30 secure bond are in this electric capacity body 10; By above-mentioned composition to form aluminum electrolytic capacitor of the present utility model.
The utility model aluminum electrolytic capacitor is when being installed on printed circuit board (PCB), the long limit of these electric capacity body 10 bottoms is towards the upper surface of this printed circuit board (PCB), the corresponding respectively default jack of this printed circuit board (PCB) that is inserted in of the weld part 33 of this two electrodes pin 20 and this metal stator 30, afterwards, printed circuit board (PCB) and this aluminum electrolytic capacitor are together sent into the tin stove, thereby utilize scolding tin that the weld part 33 of this two electrodes pin 20 with this metal stator 30 all is fixedly welded on this printed circuit board (PCB), whereby this aluminum electrolytic capacitor is firmly fixed.
Please consult Fig. 1 again to shown in Figure 4, this metal stator 30 also comprises an extension 32, this extension 32 31 extends to form towards the direction away from this electric capacity body 10 from this joint portion, and this weld part 33 extends to form and this weld part 33 protrudes out outside the bottom of this electric capacity body 10 down from these extension 32 ends.
In the present embodiment, this extension 32 forms towards the direction horizontal-extending away from this electric capacity body 10 from the bottom of this joint portion 31, but qualification is not arranged.And this extension 32 is identical with the width of weld part 33, and the width of this extension 32 and weld part 33 is narrow than this joint portion 31, but does not limit.On the practice of design, this extension 32 need have suitable length value, thereby makes between this weld part 33 and this electric capacity body 10 that distance in the horizontal direction must be greater than 2m m, to meet the requirement of safety aspect.
In addition, this insulation glued membrane 12 is provided with one first opening 121 in the position corresponding to this two electrodes pin 20, and this insulation glued membrane 12 is provided with one second opening 122 in the position corresponding to the extension 32 of this metal stator 30.This two electrodes pin 20 is arranged in this first opening 121, and the extension 32 of this metal stator 30 is arranged in this second opening 122.
The utility model aluminum electrolytic capacitor is welded in printed circuit board (PCB) except two electrode pins with this electric capacity body one end, also utilize the insulation glued membrane that promptly is coated on this matrix outside originally that one metal stator is incorporated into this matrix other end of this two electrodes pin relatively, and utilize the weld part of this metal stator and be fixedly welded on the printed circuit board (PCB), to strengthen fixed effect to this aluminum electrolytic capacitor, even if in the vibration that is subjected to external force or when rocking, this aluminum electrolytic capacitor also is difficult for being damaged or by coming off on the printed circuit board (PCB).
Moreover, because this metal stator has the weld part that can be welded in printed circuit board (PCB), so after printed circuit board (PCB) and this aluminum electrolytic capacitor are sent into the tin stove, only need be via welding procedure once, just can be simultaneously the weld part of this two electrodes pin and this metal stator be welded on the printed circuit board (PCB), and need not in addition manually to carry out a glue, simplify manufacturing process whereby, shorten the man-hour of making, and reduce the cost of making.
The above only is a preferable possible embodiments of the present utility model, non-so promptly limit to claim of the present utility model, so the equivalent structure that uses the utility model specification and accompanying drawing content to do such as changes, and all in like manner all is contained in the scope of the present utility model.
Claims (6)
1. an aluminum electrolytic capacitor is characterized in that, comprising:
One electric capacity body, it comprises a matrix and an insulation glued membrane;
Two electrode pins, it is arranged at an end of the matrix of this electric capacity body; And
One metal stator, it is arranged at the other end of relative this two electrodes pin of matrix of this electric capacity body, this metal stator has a joint portion and that is arranged at the other end surface of this matrix and stretches out this external weld part of this electric capacity, the insulation glued membrane of this electric capacity body envelopes this matrix outside and envelopes the peripheral region of this joint portion at least, so that this metal stator secure bond is in this electric capacity body.
2. aluminum electrolytic capacitor as claimed in claim 1, it is characterized in that, this metal stator also comprises an extension that extends away from the direction of this electric capacity body from this joint portion court, and this weld part extends to form down and protrudes out outside the bottom of this electric capacity body from this extension end.
3. aluminum electrolytic capacitor as claimed in claim 2 is characterized in that, the extension of this metal stator forms towards the direction horizontal-extending away from this electric capacity body from the bottom of this joint portion.
4. aluminum electrolytic capacitor as claimed in claim 3, it is characterized in that, this insulation glued membrane is provided with one first opening in the position corresponding to this two electrodes pin, and this insulation glued membrane is provided with one second opening in the position corresponding to the extension of this metal stator, this two electrodes pin is arranged in this first opening, and the extension of this metal stator is arranged in this second opening.
5. aluminum electrolytic capacitor as claimed in claim 4 is characterized in that, the matrix of this electric capacity body is the elongated cylinder that an along continuous straight runs extends.
6. as claim 1,2,3,4 or 5 described aluminum electrolytic capacitors, it is characterized in that the metal stator that this metal stator is a tinplate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020194968 CN201732691U (en) | 2010-05-11 | 2010-05-11 | Aluminum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020194968 CN201732691U (en) | 2010-05-11 | 2010-05-11 | Aluminum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201732691U true CN201732691U (en) | 2011-02-02 |
Family
ID=43523848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020194968 Expired - Fee Related CN201732691U (en) | 2010-05-11 | 2010-05-11 | Aluminum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201732691U (en) |
-
2010
- 2010-05-11 CN CN 201020194968 patent/CN201732691U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20140511 |