CN106504897A - Electrolysis condenser and its radiating shell - Google Patents
Electrolysis condenser and its radiating shell Download PDFInfo
- Publication number
- CN106504897A CN106504897A CN201611170933.0A CN201611170933A CN106504897A CN 106504897 A CN106504897 A CN 106504897A CN 201611170933 A CN201611170933 A CN 201611170933A CN 106504897 A CN106504897 A CN 106504897A
- Authority
- CN
- China
- Prior art keywords
- radiating shell
- projection
- capacitor core
- radiating
- heat
- 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.)
- Pending
Links
- 238000005868 electrolysis reaction Methods 0.000 title claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims abstract description 59
- 238000009423 ventilation Methods 0.000 claims description 11
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 6
- 235000019994 cava Nutrition 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000003679 aging effect Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0003—Protection against electric or thermal overload; cooling arrangements; means for avoiding the formation of cathode films
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/08—Housing; Encapsulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The present invention relates to a kind of electrolysis condenser and its radiating shell.Cave inward to form projection in the bottom surface of radiating shell, capacitor core is located on projection, to realize installing by inner hole sleeve.On the one hand, the side wall of projection and capacitor core directly contact.And relative to air borne, directly contact with realize heat conduction speed faster.And, projection inserts the center of capacitor core by endoporus, can quickly conduct out the heat at above-mentioned electrolysis condenser center.On the other hand, the side wall of projection can increase the contact area of radiating shell and capacitor core, and the cooling surface area on the outside of radiating shell, therefore heat distributes speed also faster.Therefore, heat quickly from center conductive and can be distributed by above-mentioned electrolysis condenser and its radiating shell, accumulate at the center of product so as to be effectively prevented heat, and heat dispersion is more preferable.
Description
Technical field
The present invention relates to capacitor technology field, more particularly to a kind of electrolysis condenser and its radiating shell.
Background technology
Aluminium electrolutic capacitor in the course of the work, as the presence of impedance and capacitive reactance can be generated heat.If product temperature is too high,
Burn out can inner member, and reduce peak load ripple current, and then affect the service life of capacitor.Therefore, it is electrolysed
Capacitor needs radiating good in the course of the work.
At present, generally by opening up multiple grooves on the surface of capacitor casing or arranging rib, to increase housing
Surface area, so that reach the purpose for lifting capacitor radiating effect.
But, the temperature at capacitor center will be far above the temperature on its surface.By taking the product of diameter >=16 millimeter as an example, its
Central temperature is 1.65 times of surface temperature.Although, existing housing increased surface area by arranging groove and rib, to electricity
Radiating inside container does not have great effect.Therefore, easily central temperature is too high in use for capacitor, so that
The electrolytic paper of fuse inner ring and surrounding is easy to be burnt, or even can cause capacitor drum top and explode, the performance to capacitor
Parameter and aging effects are very big.
Content of the invention
It is based on this, it is necessary to for the not good problem of existing electrolysis condenser radiating effect, there is provided a kind of thermal diffusivity is more preferable
Electrolysis condenser and its radiating shell.
A kind of radiating shell, is the hollow structure with host cavity, and the radiating shell is used for housing and installing capacitance core
Son, the bottom surface of the radiating shell cave inward to form the projection in hollow columnar structures of one end open, and the projection is located at
Side of the bottom surface towards the host cavity, and the opening of the projection is located at the bottom surface.
Wherein in one embodiment, the axis of the projection is overlapped with the axis of the radiating shell.
Wherein in one embodiment, the height of the projection more than or equal to the radiating shell height two/
One.
Wherein in one embodiment, the surface of the projection is smooth free form surface, and the cross section of the projection
Rounded.
Wherein in one embodiment, on the direction along the bottom of the projection to the opening, the projection is transversal
The diameter in face progressively becomes big.
Wherein in one embodiment, the bottom surface radially offers multiple ventilation slots, and the ventilation slot is opened with described
Mouth connection.
Wherein in one embodiment, weak ring, and the machinery of the weak ring on the outside of the radiating shell, is provided with
Mechanical strength of the intensity less than other positions of radiating shell.
Wherein in one embodiment, the weak ring is the circumferentially disposed impressing groove around the radiating shell.
A kind of electrolysis condenser, including：
Radiating shell as any one of above-mentioned preferred embodiment；
Capacitor core, with endoporus, the capacitor core is contained in the radiating shell and is located at by the inner hole sleeve
On the projection, to fix with the radiating shell；And
Pin, is arranged in the radiating shell, and one end of the pin is electrically connected with the capacitor core, other end position
Outside in the radiating shell.
Wherein in one embodiment, also include pressure sensitive adhesive, the pressure sensitive adhesive is filled in the capacitor core with the receipts
Between the inwall of cavity volume.
Above-mentioned electrolysis condenser and its radiating shell, cave inward to form projection in the bottom surface of radiating shell, capacitor core
By inner hole sleeve on projection, to realize installing.On the one hand, the side wall of projection and capacitor core directly contact.And relative to
Air borne, directly contact with realize heat conduction speed faster.And, projection is inserted in capacitor core by endoporus
The heat at above-mentioned electrolysis condenser center quickly can be conducted out by the heart.On the other hand, the side wall of projection can increase radiating shell
With the contact area of capacitor core, and the cooling surface area on the outside of radiating shell, therefore heat distributes speed also faster.Cause
This, heat quickly from center conductive and can be distributed by above-mentioned electrolysis condenser and its radiating shell, so as to be effectively prevented heat
Measure and accumulate at the center of product, heat dispersion is more preferable.
Description of the drawings
Fig. 1 is the structural representation of electrochemical capacitor in present pre-ferred embodiments；
Fig. 2 is the structural representation of radiating shell in electrochemical capacitor shown in Fig. 1；
Schematic bottom views of the Fig. 3 for radiating shell shown in Fig. 2.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But, the present invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
Thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can directly on another element
Or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology and the technical field for belonging to the present invention
The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that of the invention in limiting.Term as used herein " and/or " include one or more phases
The arbitrary and all of combination of the Listed Items of pass.
Fig. 1 and Fig. 2 is referred to, the electrochemical capacitor 100 in present pre-ferred embodiments includes radiating shell 110, capacitance core
Son 120 and pin 130.
Radiating shell 110 is typically made of aluminum, and general in cylinder with reference to the shape radiating shell 110 of capacitor.Dissipate
Hot housing 110 is the hollow structure with host cavity.Radiating shell 110 is used for housing and installing capacitor core 120.Radiating shell
110 bottom surface 111 caves inward to form projection 113, hollow columnar structures of the projection 113 for one end open.Projection 113 is located at bottom
Side of the face 111 towards host cavity, and the opening 1132 of projection 113 is located at bottom surface 111.
Capacitor core 120 has endoporus (not shown).Specifically, capacitor core 120 by positive pole aluminium foil, electrolytic paper and can be born
Pole aluminum foil coil is around formation.Capacitor core 120 is contained in radiating shell 110 and by inner hole sleeve on the projection 113, with radiating
Housing 110 is fixed.
Coordinated with projection 113 by endoporus, positioning quickly can be realized to capacitor core 120 and be installed.In assembling electrolysis electricity
During container 100, the capacitor core 120 of coiling and molding is directly sleeved on projection 113, so as to improving production efficiency.
In the present embodiment, the surface of projection 113 is smooth free form surface, and the circular in cross-section of projection 113.Convex
The smooth surface of post 113 is less to the obstruction of endoporus hole wall, consequently facilitating loading capacitor core 120.And, smooth surface from
Internal structure to capacitor core 120 is difficult by curved surface and produces injury, so as to be prevented effectively from capacitor core 120 in use
Mechanical damage is produced, and then lifts the service life of electrolysis condenser 100.
Further, in the present embodiment, on the direction along the bottom of projection 113 to opening 1132, projection 113 is transversal
The diameter in face progressively becomes big.
Therefore, in the loading procedure of capacitor core 120, endoporus hole wall is to tightly by pine with the cooperation on 113 surface of projection
Process.First it is inserted in from the bottom of projection 113 when capacitor core 120 is installed, and the minimum event most convenient of the diameter of bottom loads.And
As capacitor core 120 is further moved, then endoporus and the progressively clamping of projection 113 is made, so as to other securing members can not used
In the case of, capacitor core 120 is firmly installed.
Further, since the diameter of opening 1132 is maximum, therefore can be easy to form cross-ventilation in projection 113.
Pin 130 is arranged in radiating shell 110, and one end of pin 130 is electrically connected with capacitor core 120, other end position
Outside in radiating shell 110.Pin 130 is used for electrolysis condenser 100 to be installed on circuit board to be connected to specific electricity
Lu Zhong.
Side wall and 120 directly contact of capacitor core due to projection 113.And relative to air borne, directly contact is with reality
The speed of existing heat conduction is faster.And, projection 113 inserts the center of capacitor core 120 by endoporus.Therefore, by radiating
The heat at 100 center of electrolysis condenser quickly can be conducted out by housing 110.
On the other hand, the side wall of projection 113 can increase the contact area of radiating shell 110 and capacitor core 120, and dissipate
Cooling surface area on the outside of hot housing 110.And, heat exchange can be carried out with the external world by opening 1132 inside projection 113.Cause
This, radiating shell 110 causes heat to distribute speed also faster.
In the present embodiment, the axis of projection 113 is overlapped with the axis of radiating shell 110.Therefore, projection 113
In 110 location mid-shaft of radiating shell.When capacitor core 120 is on projection 113, projection 113 and capacitance core can be just made
The center of son 120 coordinates, so that the heat derives of capacitor core 120 are evenly.
In the present embodiment, the height of projection 113 more than or equal to 110 height of radiating shell 1/2nd.Due to electricity
The height for holding fuse 120 certainly will be not over the height of radiating shell 110, therefore projection 113 inserts the height of capacitor core 120
Will be greater than 1/2nd of 120 height of capacitor core.Therefore, projection 113 supports more steady to capacitor core 120.Meanwhile, height is more
Big projection 113 can increase the contact area with capacitor core 120, so as to be more convenient for leading the heat at 120 center of capacitor core
Go out.
Fig. 3 is seen also, in the present embodiment, bottom surface 111 radially offers multiple ventilation slots 1112, ventilation slot
1112 are connected with opening 1132.
By ventilation slot 1112, cross-ventilation can be formed in projection 113, projection will be collected at so as to pass through cross-ventilation
Heat in 113 is quickly taken out of, prevents accumulation of heat.Therefore, by arranging ventilation slot 1112, can further heat radiation housing
110 radiating effect.
In the present embodiment, the outside of radiating shell 110 is provided with weak ring 115, and the mechanical strength of weak ring 115 is little
Mechanical strength in 110 other positions of radiating shell.
Therefore, when electrolysis condenser 100 breaks down, heat and pressure inside radiating shell 110 is caused to exceed maximum
During load, weak ring 115 generating state can change at first, so as to play a part of pressure release, and then can avoid radiating shell 110
The random explosion of life, improves the security performance of electrolysis condenser 100.
Further, in the present embodiment, weak ring 115 is the circumferentially disposed impressing groove around radiating shell 110.
On the one hand, it is imprinted with to form folding line on radiating shell 110, so that the machinery of the annular ditch groove at the position
Intensity diminishes compared to other positions.It is therefore not necessary to other techniques and material is adopted, in 110 forming process of radiating shell just
115 one-shot forming of weak ring can be processed simple.In addition, when in radiating shell 110, pressure is excessive, annular ditch groove first can exist
Protrusion is outwards expanded under pressure effect, rather than is split immediately, so as to further lift the safety of electrolysis condenser 100
Energy.Specifically, impressing groove can also can be annular in shape in strip.
Additionally, electrochemical capacitor 100 also includes pressure sensitive adhesive (not shown).Pressure sensitive adhesive is filled in capacitor core 120 and host cavity
Inwall between.
Above-mentioned electrolysis condenser 100 and its radiating shell 110, the bottom surface 111 of radiating shell 110 cave inward to be formed convex
Post 113, capacitor core 120 are located on projection 113, to realize installing by inner hole sleeve.On the one hand, the side wall of projection 113 and electricity
Hold 120 directly contact of fuse.And relative to air borne, directly contact with realize heat conduction speed faster.And, projection
The heat at 100 center of electrolysis condenser quickly can be conducted out by 113 centers for being inserted capacitor core 120 by endoporus.Another
Aspect, the side wall of projection 113 can increase the contact area of radiating shell 110 and capacitor core 120, and outside radiating shell 110
The cooling surface area of side, therefore heat distributes speed also faster.Therefore, electrolysis condenser 100 and its radiating shell 110 can be quick
Heat from center conductive and is distributed, is accumulated at the center of product so as to be effectively prevented heat, heat dispersion is more preferable.
Each technical characteristic of embodiment described above arbitrarily can be combined, for making description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore can not be construed as limiting the scope of the patent.It should be pointed out that for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, some deformations and improvement can also be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of radiating shell, is the hollow structure with host cavity, and the radiating shell is used for housing and installing capacitor core,
Characterized in that, the bottom surface of the radiating shell caves inward to form the projection in hollow columnar structures of one end open, described
Projection is located at side of the bottom surface towards the host cavity, and the opening of the projection is located at the bottom surface.
2. radiating shell according to claim 1, it is characterised in that the axis of the projection and the radiating shell
Axis overlaps.
3. radiating shell according to claim 2, it is characterised in that the height of the projection is more than or equal to the radiating
/ 2nd of body height.
4. radiating shell according to claim 1, it is characterised in that the surface of the projection is smooth free form surface,
And the circular in cross-section of the projection.
5. radiating shell according to claim 4, it is characterised in that in the side along the bottom of the projection to the opening
Upwards, the diameter of the projection cross section progressively becomes big.
6. radiating shell according to claim 1, it is characterised in that the bottom surface radially offers multiple ventilation slots,
The ventilation slot and the open communication.
7. radiating shell according to claim 1, it is characterised in that be provided with weak ring on the outside of the radiating shell,
And the mechanical strength of the weak ring is less than the mechanical strength at other positions of radiating shell.
8. radiating shell according to claim 7, it is characterised in that the weak ring is the circumference around the radiating shell
The impressing groove of setting.
9. a kind of electrolysis condenser, it is characterised in that include：
Radiating shell as described in above-mentioned any one of claim 1 to 8；
Capacitor core, with endoporus, the capacitor core is contained in the radiating shell and by the inner hole sleeve located at described
On projection, to fix with the radiating shell；And
Pin, is arranged in the radiating shell, and one end of the pin is electrically connected with the capacitor core, and the other end is located at institute
State the outside of radiating shell.
10. electrolysis condenser according to claim 9, it is characterised in that also include pressure sensitive adhesive, the pressure sensitive adhesive is filled in
Between the inwall of the capacitor core and the host cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170933.0A CN106504897A (en) | 2016-12-16 | 2016-12-16 | Electrolysis condenser and its radiating shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611170933.0A CN106504897A (en) | 2016-12-16 | 2016-12-16 | Electrolysis condenser and its radiating shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504897A true CN106504897A (en) | 2017-03-15 |
Family
ID=58333231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611170933.0A Pending CN106504897A (en) | 2016-12-16 | 2016-12-16 | Electrolysis condenser and its radiating shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106504897A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801786A (en) * | 2018-12-05 | 2019-05-24 | 深圳市法拉第电驱动有限公司 | A kind of bus capacitor, capacitor box, controller assemblies and electric car |
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|---|---|---|---|---|
| US20020106414A1 (en) * | 2001-02-05 | 2002-08-08 | Thermal Corp. | Capacitor with heat pipe cooling |
| CN200976309Y (en) * | 2007-05-31 | 2007-11-14 | 冼翼民 | Novel explosion-proof capacitor |
| JP2009099442A (en) * | 2007-10-18 | 2009-05-07 | Panasonic Corp | Control valve type lead-acid storage battery |
| CN202996596U (en) * | 2012-11-26 | 2013-06-12 | 铜陵市诚信三联电子有限公司 | Capacitor |
| CN105590752A (en) * | 2016-03-10 | 2016-05-18 | 钟斐琴 | High-efficiency aluminum electrolytic capacitor |
| CN206312765U (en) * | 2016-12-16 | 2017-07-07 | 广东风华高新科技股份有限公司 | Electrolytic capacitor and its radiating shell |
-
2016
- 2016-12-16 CN CN201611170933.0A patent/CN106504897A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020106414A1 (en) * | 2001-02-05 | 2002-08-08 | Thermal Corp. | Capacitor with heat pipe cooling |
| CN200976309Y (en) * | 2007-05-31 | 2007-11-14 | 冼翼民 | Novel explosion-proof capacitor |
| JP2009099442A (en) * | 2007-10-18 | 2009-05-07 | Panasonic Corp | Control valve type lead-acid storage battery |
| CN202996596U (en) * | 2012-11-26 | 2013-06-12 | 铜陵市诚信三联电子有限公司 | Capacitor |
| CN105590752A (en) * | 2016-03-10 | 2016-05-18 | 钟斐琴 | High-efficiency aluminum electrolytic capacitor |
| CN206312765U (en) * | 2016-12-16 | 2017-07-07 | 广东风华高新科技股份有限公司 | Electrolytic capacitor and its radiating shell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109801786A (en) * | 2018-12-05 | 2019-05-24 | 深圳市法拉第电驱动有限公司 | A kind of bus capacitor, capacitor box, controller assemblies and electric car |
| CN109801786B (en) * | 2018-12-05 | 2024-04-16 | 深圳市法拉第电驱动有限公司 | Bus capacitor, capacitor box, controller assembly and electric automobile |
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| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170315 |