CN207602413U - A kind of screw type aluminium electrolutic capacitor - Google Patents
A kind of screw type aluminium electrolutic capacitor Download PDFInfo
- Publication number
- CN207602413U CN207602413U CN201721575758.3U CN201721575758U CN207602413U CN 207602413 U CN207602413 U CN 207602413U CN 201721575758 U CN201721575758 U CN 201721575758U CN 207602413 U CN207602413 U CN 207602413U
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- shell body
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- cathode
- aluminium
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Abstract
The utility model discloses a kind of screw type aluminium electrolutic capacitors, capacitor core including aluminium shell body, in the aluminium shell intracoelomic cavity, the section of the aluminium shell body is rectangle structure, the upper end of the aluminium shell body is equipped with matched rectangular aluminum upper cover plate, and the lower end of the aluminium shell body is equipped with matched rectangular aluminum lower cover；Direction is connected with anode extraction column to the aluminum upper cover plate by the first insulating trip from the inside to the outside; direction is connected with cathode extraction column to the aluminum upper cover plate by the second insulating trip from the inside to the outside; the outside that column is drawn in the anode is coated with anode protective case; the outside that column is drawn in the cathode is coated with cathode protective case, and the anode draws column and cathode draws column and is connected with capacitor core；There is screw thread A in the external process of the anode protective case, have screw thread B in the external process of the cathode protective case.
Description
Technical field
The utility model is related to capacitor technology field more particularly to a kind of screw type aluminium electrolutic capacitors.
Background technology
Aluminium electrolutic capacitor is to do cathode by aluminium cylinder, and the inside is equipped with liquid electrolyte, and the aluminium strip for being inserted into a piece of bending is done
Anode and manufactured capacitor is referred to as aluminium electrolutic capacitor.It is it is a kind of with good electrical property, the scope of application made of aluminum material it is wide,
The high universal electrolytic capacitor of reliability.
Lead-out mode is drawn to be unidirectional used by screw type aluminium electrolutic capacitor, and lead-out mode is drawn using multipair aluminum
Item and cover board machine riveting, traditional extraction connection mode make the inside equivalent series resistance increase of capacitor, and capacitor is in work
Cause fever serious due to being applied with ripple current when making, so as to limit the service life of capacitor.The prior art simultaneously
Middle screw type aluminium electrolutic capacitor is all cylindrical structure, if in the case of more quantity connection in series-parallel uses, capacitor is online
Position in the plate of road shared by arranged distribution is larger.
Utility model content
The utility model provides a kind of screw type aluminium electrolutic capacitor to overcome deficiency of the prior art.
The utility model is to be achieved through the following technical solutions：
A kind of screw type aluminium electrolutic capacitor, the capacitance including aluminium shell body, in the aluminium shell intracoelomic cavity
Fuse, the section of the aluminium shell body are rectangle structure, and the upper end of the aluminium shell body is equipped with matched
Rectangular aluminum upper cover plate, the lower end of the aluminium shell body are equipped with matched rectangular aluminum lower cover；It is described
Direction is connected with anode extraction column to aluminum upper cover plate by the first insulating trip from the inside to the outside, and the aluminum upper cover plate is square from the inside to the outside
Column is drawn to cathode is connected with by the second insulating trip, the outside that column is drawn in the anode is coated with anode protective case, in institute
The outside for stating cathode extraction column is coated with cathode protective case, and the anode draws column and cathode draws column and is connected with capacitor core；
There is screw thread A in the external process of the anode protective case, have screw thread B in the external process of the cathode protective case.
Further, laser welding is used at the aluminum upper cover plate and the seal closure of the aluminium shell body, it is described
Laser welding is used, and under the aluminum upper cover plate and aluminum at aluminum lower cover and the seal closure of the aluminium shell body
Burst disk is provided on cover board, explosionproof hole is machined in the burst disk.
Further, be provided in the outside of the aluminium shell body anode aluminium foil, first layer barrier paper, cathode aluminum foil,
Second layer barrier paper.
Further, it is drawn in the anode and the first regulating part is installed on column, drawn in the cathode and be equipped on column
Second regulating part.
Further, the first support element is provided on the left side of the aluminium shell body, in first support element
On be machined with the first round hole, be provided with the second support element on the right side of the aluminium shell body, described second support
The second round hole is machined on part.
Compared with prior art, the beneficial effects of the utility model are：The utility model is by the aluminium shell body of use
It is designed to rectangle structure, alminium electrolytic condenser can be considerably reduced according to the characteristics of screw type aluminium electrolutic capacitor shape
The position occupied in device assist side；Aluminum upper cover plate and aluminum lower cover are connected to by using Laser Welding, and passes through first absolutely
Embolium and the second insulating trip are attached, and can reduce the equivalent series resistance of capacitor；By be provided with anode protective case and
Cathode protective case can extend the service life of capacitor.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention is further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, a kind of screw type aluminium electrolutic capacitor, including aluminium shell body 1, outside the aluminum
Capacitor core in 1 inner cavity of housing, the section of the aluminium shell body 1 are rectangle structure, the upper end of the aluminium shell body 1
Matched rectangular aluminum upper cover plate 2 is installed, the lower end of the aluminium shell body 1 is equipped with matched length
Rectangular aluminum lower cover 3.Be provided in the outside of the aluminium shell body 1 anode aluminium foil, first layer barrier paper, cathode aluminum foil,
Second layer barrier paper.Laser welding, the aluminium are used at the aluminum upper cover plate 2 and the seal closure of the aluminium shell body 1
Laser welding is used, and in the aluminum upper cover plate 2 and aluminum at lower cover 3 processed and the seal closure of the aluminium shell body 1
Burst disk is provided on lower cover 3, explosionproof hole is machined in the burst disk.By being provided with burst disk, electricity can be improved
The explosion-proof performance of container.
Referring to Fig. 1, direction is connected with anode extraction column to the aluminum upper cover plate 2 by the first insulating trip 4 from the inside to the outside
5, direction is connected with cathode extraction column 7 to the aluminum upper cover plate 2 by the second insulating trip 6 from the inside to the outside, is drawn in the anode
The outside of column 5 is coated with anode protective case 8, and the outside that column 7 is drawn in the cathode is coated with cathode protective case 9, the anode
It draws column 5 and cathode draws column 7 and is connected with capacitor core；There is screw thread A10 in the external process of the anode protective case 8, in institute
Stating the external process of cathode protective case 9 has screw thread B11.
First regulating part 12 is installed on column 5 referring to Fig. 1, being drawn in the anode, draws in the cathode and pacifies on column 7
Equipped with the second regulating part 13；The first support element 14 is provided on the left side of the aluminium shell body 1, in the described first support
The first round hole 15 is machined on part 14, the second support element 16 is provided on the right side of the aluminium shell body 1, described
The second round hole 17 is machined on second support element 16.
The aluminium shell body 1 of use is designed to rectangle structure by the utility model, can be according to screw type aluminium electroloysis electricity
The characteristics of container shapes, considerably reduces the position occupied in aluminium electrolutic capacitor assist side；By using laser welding
There are aluminum upper cover plate 2 and aluminum lower cover 3, and pass through the first insulating trip 4 and the second insulating trip 6 is attached, electricity can be reduced
The equivalent series resistance of container；By being provided with anode protective case 8 and cathode protective case 9, can extend capacitor uses the longevity
Life.
The preferred embodiment of the utility model is above are only, is not intended to limit the utility model, it is all in this practicality
All any modification, equivalent and improvement made within novel spirit and principle etc., should be included in the guarantor of the utility model
Within the scope of shield.
Claims (5)
1. a kind of screw type aluminium electrolutic capacitor, it is characterised in that：Including aluminium shell body（1）, set on the aluminium shell body
（1）Capacitor core in inner cavity, the aluminium shell body（1）Section be rectangle structure, the aluminium shell body（1）It is upper
End is equipped with matched rectangular aluminum upper cover plate（2）, the aluminium shell body（1）Lower end be equipped with and its phase
The rectangular aluminum lower cover matched（3）；The aluminum upper cover plate（2）Direction passes through the first insulating trip from the inside to the outside（4）It is connected with
Anode draws column（5）, the aluminum upper cover plate（2）Direction passes through the second insulating trip from the inside to the outside（6）It is connected with cathode and draws column
（7）, column is drawn in the anode（5）Outside be coated with anode protective case（8）, column is drawn in the cathode（7）External wrap
It is covered with cathode protective case（9）, the anode extraction column（5）Column is drawn with cathode（7）It is connected with capacitor core；It is protected in the anode
Sheath（8）External process have screw thread A（10）, in the cathode protective case（9）External process have screw thread B（11）.
2. a kind of screw type aluminium electrolutic capacitor according to claim 1, it is characterised in that：The aluminum upper cover plate（2）
With the aluminium shell body（1）Seal closure at using laser welding, the aluminum lower cover（3）With the aluminium shell body
（1）Seal closure at using laser welding, and in the aluminum upper cover plate（2）With aluminum lower cover（3）On be provided with it is explosion-proof
Piece is machined with explosionproof hole in the burst disk.
3. a kind of screw type aluminium electrolutic capacitor according to claim 2, it is characterised in that：In the aluminium shell body
（1）Outside be provided with anode aluminium foil, first layer barrier paper, cathode aluminum foil, second layer barrier paper.
4. a kind of screw type aluminium electrolutic capacitor according to claim 1, it is characterised in that：Column is drawn in the anode
（5）On the first regulating part is installed（12）, column is drawn in the cathode（7）On the second regulating part is installed（13）.
5. a kind of screw type aluminium electrolutic capacitor according to claim 4, it is characterised in that：In the aluminium shell body
（1）Left side on be provided with the first support element（14）, in first support element（14）On be machined with the first round hole（15）,
In the aluminium shell body（1）Right side on be provided with the second support element（16）, in second support element（16）Upper processing
There is the second round hole（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575758.3U CN207602413U (en) | 2017-11-21 | 2017-11-21 | A kind of screw type aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721575758.3U CN207602413U (en) | 2017-11-21 | 2017-11-21 | A kind of screw type aluminium electrolutic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207602413U true CN207602413U (en) | 2018-07-10 |
Family
ID=62759622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721575758.3U Active CN207602413U (en) | 2017-11-21 | 2017-11-21 | A kind of screw type aluminium electrolutic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207602413U (en) |
-
2017
- 2017-11-21 CN CN201721575758.3U patent/CN207602413U/en active Active
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