CN206595158U - Low impedance at high frequency electrochemical capacitor - Google Patents
Low impedance at high frequency electrochemical capacitor Download PDFInfo
- Publication number
- CN206595158U CN206595158U CN201720150449.5U CN201720150449U CN206595158U CN 206595158 U CN206595158 U CN 206595158U CN 201720150449 U CN201720150449 U CN 201720150449U CN 206595158 U CN206595158 U CN 206595158U
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- China
- Prior art keywords
- pole
- pinboard
- high frequency
- low impedance
- electrochemical capacitor
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Abstract
The utility model proposes a kind of low impedance at high frequency electrochemical capacitor, by setting multiple anode pole pieces and cathode pole piece, internal driving can be reduced, so as to reduce heating, more save, in addition, multiple anode pole pieces and cathode pole piece can bear the electric current of higher frequency and power compared to single anode pole piece and cathode pole piece, it is safer；It by the way that aluminum hull is welded into anode pole piece so that aluminum hull positively charged in the case of energization, effectively can prevent aluminum hull from aoxidizing, improve product appearance, low impedance at high frequency electrolytic capacitor structure advantages of simple of the present utility model is easy to mechanization to assemble.
Description
Technical field
The utility model is related to electrochemical capacitor, more particularly to a kind of low impedance at high frequency electrochemical capacitor.
Background technology
Electrochemical capacitor is one kind of electric capacity, and metal foil is positive pole, and the oxide-film that metal is close to positive pole is dielectric, negative electrode
Collectively constituted by conductive material, electrolyte and other materials, because electrolyte is the major part of negative electrode, therefore electrochemical capacitor obtains
Name.Electrochemical capacitor is positive and negative simultaneously can not wrong.Aluminium electrolutic capacitor can be divided into four classes：Leading wire type aluminum electrolytic capacitor；Ox horn
Type aluminium electrolutic capacitor；Bolt type aluminium electrolutic capacitor；Solid-state aluminum electrolytic capacitor.
Electrolytic capacitor is widely used in household electrical appliance and various electronic products, and its range of capacity is larger, generally 1~
33000 μ F, rated operational voltage scope is 6.3~700V.Current electrolytic capacitor is under high-frequency high-power state, for a long time
Burnt using overheat is easily caused, in addition, impedance is larger, be easily caused that temperature is too high, energy loss is larger.
Utility model content
In view of this, the utility model proposes the low impedance at high frequency electrochemical capacitor of a kind of safety, energy-conservation.
What the technical solution of the utility model was realized in：The utility model provides a kind of low impedance at high frequency and is electrolysed electricity
Hold, it includes aluminum hull, the core bag that is arranged in the aluminum hull, is arranged on the core bag top and is tightly connected with the aluminum hull
Jiao Gai, positive terminal and negative terminal, the core bag include positive pole formed aluminum foil, anode foil, are arranged on the positive pole chemical conversion aluminium
Electrolytic paper and polymer dielectric between paper tinsel and anode foil, positive pole chemical conversion AL-foil portion be provided with two or two with
Upper anode pole piece, anode foil end is provided with two or more cathode pole pieces, and the anode pole piece and positive terminal are electrical
Connection, cathode pole piece is electrically connected with negative terminal.
On the basis of above technical scheme, it is preferred that anode pole piece is electrically connected with aluminum hull, aluminum hull and positive terminal electricity
Property connection.
It is further preferred that the positive pole formed aluminum foil, electrolytic paper and polymer dielectric and anode foil are stacked gradually
Afterwards winding form core bag, two or more anode pole pieces from core bag bottom draw and with aluminum hull weld, two or two with
Upper cathode pole piece is electrically connected with from core bag Base top contact and with negative terminal.
Still more preferably, on the outside of the core bag of coiling and molding it is positive pole formed aluminum foil.
Still more preferably, described two or two or more anode pole piece is located at straight line with the core bag cross section center of circle
On, two or more cathode pole pieces are located on straight line with the core bag cross section center of circle.
Still more preferably, in addition to a negative pole pinboard, negative pole pinboard two ends respectively with cathode pole piece and negative pole
Pinboard and negative terminal welding.It is furthermore preferred that also including positive pole pinboard, set between positive pole pinboard and negative pole pinboard
There is insulation board, positive pole pinboard is welded with aluminium foil and welded with positive terminal, corresponds to and open respectively on positive pole pinboard and insulation board
Provided with through hole, negative terminal passes through the through hole and negative pole switching plate weld.It is furthermore preferred that being provided with the neck of depression at the top of aluminum hull
Portion, positive pole pinboard, negative pole pinboard and insulation board may be contained within below neck.
Low impedance at high frequency electrochemical capacitor of the present utility model has the advantages that relative to prior art：
(1) by setting multiple anode pole pieces and cathode pole piece, it is possible to decrease internal driving, so as to reduce heating, more supernumerary segment
Can, in addition, multiple anode pole pieces and cathode pole piece compared to single anode pole piece and cathode pole piece can bear higher frequency and
The electric current of power, it is safer；
(2) by the way that aluminum hull is welded into anode pole piece so that aluminum hull positively charged in the case of energization, aluminum hull oxygen can effectively be prevented
Change, improve product appearance, low impedance at high frequency electrolytic capacitor structure advantages of simple of the present utility model is easy to mechanization to assemble.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the positive view of the utility model low impedance at high frequency electrochemical capacitor.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment
It is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the utility model, without
It is whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of the utility model protection.
As shown in figure 1, low impedance at high frequency electrochemical capacitor of the present utility model, it includes aluminum hull 1, is arranged at the aluminum hull 1
Interior core bag 2, it is arranged on the top of core bag 2 and the glue lid 3, positive terminal 4 and the negative terminal that are tightly connected with the aluminum hull 1
5。
The core bag 2 includes positive pole formed aluminum foil 21, anode foil 22, is arranged on the positive pole formed aluminum foil 21 and anode foil
Electrolytic paper and polymer dielectric 23 between 22.
The end of positive pole formed aluminum foil 21 is provided with two or more anode pole pieces 24, the anode pole piece 24 and positive pole
Terminal 4 is electrically connected with.The end of anode foil 22 is provided with two or more cathode pole pieces 25, cathode pole piece 25 and negative terminal
5 are electrically connected with.In this way, setting multiple anode pole pieces 24, it is possible to decrease internal driving, so as to reduce heating, more save, in addition,
Multiple anode pole pieces 24 and cathode pole piece 25 can bear higher frequency and power compared to single anode pole piece and cathode pole piece
Electric current, it is safer.Specifically, described two or two or more anode pole piece 24 is located at one with the cross section center of circle of core bag 2
On straight line, two or more cathode pole pieces 25 are located on straight line with the cross section center of circle of core bag 2.In this way, being easy to multiple
Anode pole piece 24 and the welding of cathode pole piece 25 each other.
It is preferred that, anode pole piece 24 is electrically connected with aluminum hull 1, and aluminum hull 1 is electrically connected with positive terminal 4.In this way, may be such that
The positively charged in the case of energization of aluminum hull 1, can effectively prevent aluminum hull 1 from aoxidizing, and improve product appearance.Specifically, the positive pole chemical conversion
Winding forms core bag 2, the core of coiling and molding after aluminium foil 21, electrolytic paper and polymer dielectric 23 and anode foil 22 are stacked gradually
The outside of bag 2 is positive pole formed aluminum foil 21.In this way, being easy to positive pole formed aluminum foil 21 just can be attached to the inwall of aluminum hull 1, make electrical contact with better
It is good.Specifically, two or more anode pole pieces 24 are drawn from the bottom of core bag 2 and welded with aluminum hull 1, two or more
Cathode pole piece 25 is electrically connected with from the Base top contact of core bag 2 and with negative terminal 5.
Specifically, the concrete mode being electrically connected with as cathode pole piece 25 and negative terminal 5, in addition to a negative pole pinboard
26, the two ends of negative pole pinboard 26 are welded with cathode pole piece 25 with negative pole pinboard 26 and negative terminal 5 respectively.
Specifically, the concrete mode being electrically connected with as anode pole piece 24 and positive terminal 4, in addition to positive pole pinboard
27, be provided with insulation board 28 between positive pole pinboard 27 and negative pole pinboard 26, positive pole pinboard 27 welded with aluminium foil 21 and with
Positive terminal 4 is welded, and is corresponded to respectively on positive pole pinboard 27 and insulation board 28 and is offered through hole, and negative terminal 5 leads to through described
Welded with negative pole pinboard 26 in hole.It is preferred that, the top of aluminum hull 1 is provided with the neck 11 of depression, positive pole pinboard 27, negative pole switching
Plate 26 and insulation board 28 may be contained within neck below 11.In this way, during the roll-forming of neck 11, can be by positive pole pinboard
27th, negative pole pinboard 26 and insulation board 28 are fixed in aluminum hull 1, prevent it from shaking or coming off.
The foregoing is only better embodiment of the present utility model, not to limit the utility model, it is all
Within spirit and principle of the present utility model, any modification, equivalent substitution and improvements made etc. should be included in this practicality new
Within the protection domain of type.
Claims (8)
1. a kind of low impedance at high frequency electrochemical capacitor, it includes aluminum hull (1), the core bag (2) that is arranged in the aluminum hull (1), set
Jiao Gai (3), positive terminal (4) and the negative terminal (5) being tightly connected at the top of the core bag (2) and with the aluminum hull (1), institute
Stating core bag (2) includes positive pole formed aluminum foil (21), anode foil (22), is arranged on the positive pole formed aluminum foil (21) and anode foil
(22) electrolytic paper and polymer dielectric (23) between, it is characterised in that：Positive pole formed aluminum foil (21) end is set
There are two or more anode pole pieces (24), anode foil (22) end is provided with two or more cathode pole pieces (25),
The anode pole piece (24) is electrically connected with positive terminal (4), and cathode pole piece (25) is electrically connected with negative terminal (5).
2. low impedance at high frequency electrochemical capacitor as claimed in claim 1, it is characterised in that：Anode pole piece (24) and aluminum hull (1) electricity
Property connection, aluminum hull (1) and positive terminal (4) are electrically connected with.
3. low impedance at high frequency electrochemical capacitor as claimed in claim 2, it is characterised in that：The positive pole formed aluminum foil (21), electricity
Winding forms core bag (2) after solution paper and polymer dielectric (23) and anode foil (22) are stacked gradually, two or more
Anode pole piece (24) is drawn from core bag (2) bottom and welded with aluminum hull (1), and two or more cathode pole pieces (25) are from core bag
(2) Base top contact and with negative terminal (5) be electrically connected with.
4. low impedance at high frequency electrochemical capacitor as claimed in claim 3, it is characterised in that：It is on the outside of the core bag (2) of coiling and molding
Positive pole formed aluminum foil (21).
5. low impedance at high frequency electrochemical capacitor as claimed in claim 3, it is characterised in that：Described two or two or more positive pole pole
Piece (24) is located on straight line with core bag (2) cross section center of circle, and two or more cathode pole pieces (25) are horizontal with core bag (2)
The section center of circle is located on straight line.
6. low impedance at high frequency electrochemical capacitor as claimed in claim 3, it is characterised in that：Also include a negative pole pinboard (26),
Welded respectively with cathode pole piece (25) and negative pole pinboard (26) and negative terminal (5) at negative pole pinboard (26) two ends.
7. low impedance at high frequency electrochemical capacitor as claimed in claim 6, it is characterised in that：Also include positive pole pinboard (27), just
Insulation board (28) is provided between pole pinboard (27) and negative pole pinboard (26), positive pole pinboard (27) is welded with aluminium foil (21)
And welded with positive terminal (4), corresponded to respectively on positive pole pinboard (27) and insulation board (28) and offer through hole, negative terminal
(5) welded through the through hole with negative pole pinboard (26).
8. low impedance at high frequency electrochemical capacitor as claimed in claim 6, it is characterised in that：Depression is provided with the top of aluminum hull (1)
Neck (11), positive pole pinboard (27), negative pole pinboard (26) and insulation board (28) may be contained within neck (11) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150449.5U CN206595158U (en) | 2017-02-17 | 2017-02-17 | Low impedance at high frequency electrochemical capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720150449.5U CN206595158U (en) | 2017-02-17 | 2017-02-17 | Low impedance at high frequency electrochemical capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595158U true CN206595158U (en) | 2017-10-27 |
Family
ID=60125364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720150449.5U Expired - Fee Related CN206595158U (en) | 2017-02-17 | 2017-02-17 | Low impedance at high frequency electrochemical capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273270A (en) * | 2018-11-12 | 2019-01-25 | 黄山振州电子科技股份有限公司 | A kind of low impedance at high frequency electrolytic capacitor |
-
2017
- 2017-02-17 CN CN201720150449.5U patent/CN206595158U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273270A (en) * | 2018-11-12 | 2019-01-25 | 黄山振州电子科技股份有限公司 | A kind of low impedance at high frequency electrolytic capacitor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180217 |