CN207731814U - Small-sized punching aluminium electrolutic capacitor - Google Patents
Small-sized punching aluminium electrolutic capacitor Download PDFInfo
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- CN207731814U CN207731814U CN201721912564.8U CN201721912564U CN207731814U CN 207731814 U CN207731814 U CN 207731814U CN 201721912564 U CN201721912564 U CN 201721912564U CN 207731814 U CN207731814 U CN 207731814U
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Abstract
The utility model discloses a kind of small-sized punching aluminium electrolutic capacitors, including core packet main body, shell and cover board；Wherein, the core packet main body is arranged to hollow-core construction, and the shell is used to accommodate the core packet main body with hollow-core construction comprising has the hollow pipe of a perforation, the cover board to be provided with circular hole；Core packet main body, shell and cover board are assembled in constitutes the punching aluminium electrolutic capacitor with through-core hole afterwards together；Setting is there are three metal terminal is drawn on the cover board, and the metal leading-out terminal is arranged is respectively welded extraction wire on the same side of cover board circular hole, metal leading-out terminal, to draw capacitance electrode；Corresponding to the one end for being packaged with cover board, the other end of capacitor is located at the same side of through-core hole in being welded with three extraction wires, the pad on outer casing bottom metal-back.The utility model is by being arranged hollow through-core hole, and perfect heat-dissipating, capacitor both ends are welded with extraction wire, can be firmly installed, securely and reliably.
Description
Technical field
The utility model belongs to aluminium electrolutic capacitor technical field, is related to a kind of small-sized punching aluminium electrolutic capacitor.
Background technology
Capacitor is energy-storage travelling wave tube, this should not power loss, but the presence of equivalent series resistance so that ripple is electric
Stream generates significantly loss in the above.This partition losses will be come out in the form of thermal energy, and capacitor temperature is caused to rise.
In addition to the loss that ripple current generates can cause capacitor to heat up, leakage current loss can also cause capacitor to heat up.Capacitor is sent out
Thermally-induced heating harm is serious, and therefore, each producer has the stringent limitation, general producer to be its maximum allowable Wen Sheng
User is easy to use to give the maximum allowable Wen Sheng of electrolytic capacitor work at a certain temperature.However, the hair of capacitor
Heat problem, which is but always electrolytic capacitor, can not avoid in and endanger to deep problem, and there are numerous harm.Electrolysis
The fever of capacitor can accelerate the consumption of electrolyte and dry up, or even cause the boiling of electrolyte, and current alminium electrolytic condenser
Device is easy to bring in turn the safety problems such as inflammable and explosive of bigger mostly because using inflammable organic acid electrolyte.Electricity
The fever of electrolysis condenser can also reduce the ability to bear of ripple current, drastically the service life of shortening capatcitor, and enable electrolysis
Capacitor leakage currents increase, and loss increases, and generates the harm such as instantaneous overtemperature.
Welding type alminium electrolytic condenser is typically all cylindrical structure on horizontal mount scheme at present, and is single-ended extraction,
Apparent to the mutual inductance effect in circuit, fixed installation mode is lack of standardization, and there is also be unfavorable for heat dissipation for horizontal installation.
Invention content
To solve the above problems, the purpose of this utility model is to provide a kind of perfect heat-dissipating, install safe and reliable
Small-sized punching aluminium electrolutic capacitor.
To achieve the above object, the technical solution of the utility model is：
A kind of small-sized punching aluminium electrolutic capacitor, including core packet main body, shell and cover board；Wherein, the core packet main body
It is arranged to hollow-core construction, the shell is used to accommodate the core packet main body with hollow-core construction comprising has the sky of a perforation
Heart pipe, the cover board are provided with circular hole；Core packet main body, shell and cover board are assembled in constitutes the punching with through-core hole afterwards together
Aluminium electrolutic capacitor；Setting is arranged there are three metal terminal, the metal leading-out terminal is drawn in cover board circular hole on the cover board
The same side, extraction wire is respectively welded on metal leading-out terminal, to draw capacitance electrode；Corresponding to being packaged with the one of cover board
End, the other end of capacitor are located at through-core hole in being welded with three extraction wires, the pad on outer casing bottom metal-back
The same side.
Further, the core packet main body include electrolytic paper between positive plate, negative plate, positive/negative plate, respectively from
The lug piece that positive/negative plate is drawn is adsorbed with electrolyte in the gap of the pole plate, electrolytic paper and lug piece.
Further, the hollow-core construction is the through-hole being arranged along capacitor central axis.
Further, a receiving cavity is formed between the hollow pipe and the shell of shell, the core packet main body is installed on
In the host cavity.
Compared to the prior art, a kind of small-sized punching aluminium electrolutic capacitor of the utility model is by being arranged hollow through-core hole,
Perfect heat-dissipating, capacitor both ends are welded with extraction wire, can be firmly installed, securely and reliably.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, to those skilled in the art, other drawings may also be obtained based on these drawings.
Fig. 1 is the three-dimensional diagram of the small-sized punching aluminium electrolutic capacitor of the utility model.
Fig. 2 is the structural diagrams of the core packet main body of the small-sized punching aluminium electrolutic capacitor of the utility model.
Fig. 3 is the structural diagrams of the shell of the small-sized punching aluminium electrolutic capacitor of the utility model.
Fig. 4 is another angle diagram of the small-sized punching aluminium electrolutic capacitor of the utility model.
Specific implementation mode
It, below will knot to enable the purpose of utility model, feature, advantage of the utility model more apparent and understandable
The attached drawing in the utility model embodiment is closed, the technical scheme in the utility model embodiment is clearly and completely described,
Obviously, the embodiments described below are only the utility model a part of the embodiment, and not all embodiments.Based on this practicality
Embodiment in novel, the every other embodiment that those skilled in the art is obtained belong to the utility model protection
Range.
Term " first ", " second " in the specification and claims of the utility model and above-mentioned attached drawing etc. are to be used for
Similar object is distinguished, without being used to describe specific sequence or precedence.It should be appreciated that the term used in this way is suitable
It can be interchanged in the case of, this is only that the object described in the embodiments of the present invention to same alike result is adopted in description
Differentiation mode.In addition, term " comprising " and " having " and their any deformation, it is intended that cover non-exclusive packet
Contain, so that a series of process comprising units, method, system, product or equipment are not necessarily limited to those units, but may include not having
There are other units clearly listing or for these processes, method, product or equipment inherently.
It is described in detail separately below.
As one embodiment of the small-sized punching aluminium electrolutic capacitor of the utility model, as shown in Figure 1, the utility model one
The small-sized punching aluminium electrolutic capacitor of kind includes core packet main body 1, shell 2 and cover board 3.Wherein, the core packet main body 1 is arranged to sky
Core structure comprising the lug piece for having the electrolytic paper between positive plate, negative plate, positive/negative plate, being drawn respectively from positive/negative plate
10.It is adsorbed with electrolyte in the gap of the pole plate, electrolytic paper and lug piece.
The hollow-core construction is the through-hole 11 being arranged along capacitor central axis, in the present embodiment, the through-hole
11 be a cylindrical through-core hole.
The shell 2 is used to accommodate the core packet main body 1 with hollow-core construction comprising has the hollow pipe of a perforation
20, a receiving cavity 23 is formed between the hollow pipe 20 and the shell 21 of shell 2.Wherein, the core packet main body 1 is installed on this
In host cavity 23, the hollow pipe 20 is inserted into the through-hole 11 of core packet main body 1.In the present embodiment, the hollow pipe 20 is in cylinder
Shape.2 one end of the shell is opening-like, after core packet main body is contained in the host cavity of shell, then cover board 3 is installed on the opening portion
Position, the opening 201 of corresponding shell hollow pipe 20, the cover board 3 are provided with circular hole 30 in corresponding position.
Referring to Fig.1, shown in Fig. 4, the core packet main body 1, shell 2 and cover board 3 are assembled in and constitute this creation afterwards together
Small-sized punching aluminium electrolutic capacitor, the small-sized punching aluminium electrolutic capacitor are centrally formed a through-core hole 101.It is set on the cover board 3
It sets there are three metal terminal 31 is drawn, the metal leading-out terminal is arranged in the same side of 3 circular hole 30 of cover board, metal leading-out terminal
On extraction wire 4 is respectively welded, to draw capacitance electrode.Corresponding to the one end for being packaged with cover board 3, the other end of capacitor is in outer
Three extraction wires are welded on shell bottom metal shell, the pad is located at the same side of through-core hole.
The lug piece 10 is drawn from core packet electrode, and lug is divided into two groups or N groups, is between several lugs are opposite per single-row group
Away from rearranging, lug plays the role of the extraction of core packet electrode, and each group lug forms any angle using core packet central point as vertex
Angle（Material, the electrical characteristics of apparent capacity device change the angular dimension of angle）, lug passes through the leading-out terminal with encapsulation cover plate
Connection, forms complete deriving structure.Lug and core packet by upper/lower die Cold welding together with, metal type contact resistance pole
It is small.The lug of core packet and capacitor seal cover board rivet interlacement, connection type can be that acanthopore turns over riveting and fusion weld form, combination
Core packet main body is positioned in special type metal-back after good（Such as figure metal-back）Tank Jiao Gudingxinbao is not loosened, is rotated, by encapsulation
Complete capacitor arrangement is formed after machining aluminum hull crimping and the molding of waist shoulder.
Referring to Fig.1, shown in Fig. 4, the generally pipe of this creation punching aluminium electrolutic capacitor fills pattern, the horizontal installation of capacitance
Afterwards, intermediate through-core hole can play the role of heat dissipation.Also, the both ends of capacitor are respectively welded extraction wire, by drawing
Go out conducting wire capacitor can be carried out to stable installation to fix.
In conclusion above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although ginseng
The utility model is described in detail according to above-described embodiment, it will be understood by those of ordinary skill in the art that：It is still
It can modify to the technical solution recorded in the various embodiments described above, or which part technical characteristic is equally replaced
It changes；And these modifications or replacements, various embodiments of the utility model technical solution that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (4)
1. a kind of small-sized punching aluminium electrolutic capacitor, including core packet main body, shell and cover board, it is characterised in that：The core packet
Main body is arranged to hollow-core construction, and the shell is used to accommodate the core packet main body with hollow-core construction comprising has a perforation
Hollow pipe, the cover board is provided with circular hole；Core packet main body, shell and cover board are assembled in be constituted afterwards with through-core hole together
Punching aluminium electrolutic capacitor；Setting is arranged there are three metal terminal, the metal leading-out terminal is drawn in cover board on the cover board
Extraction wire is respectively welded on metal leading-out terminal, to draw capacitance electrode in the same side of circular hole；Corresponding to being packaged with cover board
One end, the other end of capacitor are located at through-core hole in being welded with three extraction wires, the pad on outer casing bottom metal-back
The same side.
2. small-sized punching aluminium electrolutic capacitor as described in claim 1, it is characterised in that：The core packet main body includes anode
Electrolytic paper between plate, negative plate, positive/negative plate, the lug piece drawn respectively from positive/negative plate, the pole plate, electrolytic paper and
It is adsorbed with electrolyte in the gap of lug piece.
3. small-sized punching aluminium electrolutic capacitor as claimed in claim 2, it is characterised in that：The hollow-core construction is along capacitor
One through-hole of central axis setting.
4. small-sized punching aluminium electrolutic capacitor as claimed in claim 3, it is characterised in that：The shell of the hollow pipe and shell it
Between form a receiving cavity, the core packet main body is installed in the host cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912564.8U CN207731814U (en) | 2017-12-31 | 2017-12-31 | Small-sized punching aluminium electrolutic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721912564.8U CN207731814U (en) | 2017-12-31 | 2017-12-31 | Small-sized punching aluminium electrolutic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207731814U true CN207731814U (en) | 2018-08-14 |
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ID=63083895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721912564.8U Active CN207731814U (en) | 2017-12-31 | 2017-12-31 | Small-sized punching aluminium electrolutic capacitor |
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|---|---|
| CN (1) | CN207731814U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257574A (en) * | 2021-05-31 | 2021-08-13 | 南通江海电容器股份有限公司 | Piercing method for core cladding lead of aluminum electrolytic capacitor |
-
2017
- 2017-12-31 CN CN201721912564.8U patent/CN207731814U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113257574A (en) * | 2021-05-31 | 2021-08-13 | 南通江海电容器股份有限公司 | Piercing method for core cladding lead of aluminum electrolytic capacitor |
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