CN208077789U - A kind of high efficiency and heat radiation capacitance - Google Patents
A kind of high efficiency and heat radiation capacitance Download PDFInfo
- Publication number
- CN208077789U CN208077789U CN201820351353.XU CN201820351353U CN208077789U CN 208077789 U CN208077789 U CN 208077789U CN 201820351353 U CN201820351353 U CN 201820351353U CN 208077789 U CN208077789 U CN 208077789U
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- China
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- insulating film
- silicagel column
- cavity
- wall
- aluminum hull
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Abstract
A kind of high efficiency and heat radiation capacitance, multiple axis cylindrical hole vertical with housing face is provided on aluminum hull, it is arranged along the equally distributed annular groove coaxial with the through hole of axis on through-hole wall, the protective layer is equipped with the identical cylindrical hole in coaxial and aperture with cylindrical hole, also have on cylindrical hole inner wall and is uniformly distributed along axis and the annular groove coaxial with cylindrical hole, the silicagel column is cylinder, its outer diameter is identical as the internal diameter of cylindrical hole and cylindrical hole, and the outer surface of silicagel column is equipped with and annular groove quantity, position and the matched annular protrusion of size, the outer diameter of annular protrusion and the outer diameter difference of silicagel column are not more than three millimeters, silicagel column one end is concordant with aluminum hull inner wall, the other end is concordant with insulating film outer wall, cylindrical cavity is equipped in silicagel column, coolant liquid is filled in cavity.
Description
Technical field
The utility model is related to a kind of capacitances, and in particular to a kind of capacitance of heat-resisting moisture-proof.
Background technology
Capacitor, it is capacitance that usually referred to as it, which accommodates the ability of charge, is indicated with letter C.Define 1：Capacitor, Gu Mingsi
Justice is ' container of dress electricity ', is a kind of device accommodating charge.English name：capacitor.Capacitor is in electronic equipment
One of electronic component largely used, the separated by direct communication being widely used in circuit couple, and bypass, filtering, resonant tank, energy
Amount conversion, control etc..Define 2：Capacitor, between any two is insulated from each other and the conductor (including conducting wire) that is spaced closely together all
A capacitor is constituted, with making rapid progress for electronic information technology, the update speed of digital electronic goods is getting faster,
Consumer electronics product volume of production and marketing based on the products such as flat panel TV (LCD and PDP), laptop, digital camera continues
Increase, capacitor industry has been driven to increase, in DC circuit, capacitor is comparable to open circuit.Capacitor is that one kind can
Store element and one of most common electronic component of charge, still, in alternating current circuit because sense of current be with
Time changes at certain functional relation.And the process of capacitor charging/discharging is having time, this when, the shape between pole plate
At the electric field of variation, and this electric field is also the function changed over time.In fact, electric current is the form by electric field in capacitance
Between device by.But in the course of work of capacitor, will produce heat, excessively high temperature can cause capacitor body aging or
There is punch-through, if capacitor internal enters steam, capacitance anti humility performance is poor, then capacity can decline, and impedance can increase, drop
The low sustainable service life of capacitance.
Therefore, it is necessary to solve the above problems to invent a kind of heat-resisting moisture-proof structure of capacitor.In the prior art, in
State's patent, (201710932489.X, a kind of entitled heat-resisting moisture-proof structure of capacitor) disclose following technical solution.Such as figure
A kind of heat-resisting moisture-proof structure of capacitor shown in 1-2, including insulating film 1,1 intracavity bottom of the insulating film are equipped with radiating copper body
2, the speed of capacitor heat dissipation is improved using heat-conduction principle by radiating copper body 2,2 top of radiating copper body is equipped with aluminium
Shell 3,3 intracavity bottom of the aluminum hull are equipped with fuse 4, and 4 top of the fuse is equipped with air cavity 5, positive pin is equipped in the air cavity 5
6,6 side of the anode pin is equipped with negative pin 7, and 3 outer wall of the aluminum hull is arranged matcoveredn 8, and the protective layer 8 is equipped with
Silicagel column 9 is conducive to radiate when working to 3 inner cavity fuse 4 of aluminum hull by being equipped with silicagel column 9.
The anode pin 6 and 7 bottom end of negative pin are arranged with rubber seal plug 10, and the rubber seal plug 10 is arranged
In 4 top of fuse, 5 sealed set of the air cavity, the air cavity 5 is interior to be filled with sulfur hexafluoride gas, by being equipped with sealed set
Air cavity 5 and be filled with sulfur hexafluoride gas, have good electrical insulation properties and excellent arc extinction performance, the protective layer
8 are made of graphite material, are made of graphite material, good insulation preformance, and the quantity of the silicagel column 9 is set as multiple, described
Silicagel column 9 runs through protective layer 8 and aluminum hull 3, and the anode pin 6 runs through aluminum hull 3, protective layer 8 and insulating film 1, and the cathode draws
Foot 7 runs through aluminum hull 3, protective layer 8 and insulating film 1, the setting of 1 integrated sealing of the insulating film, and 1 inner wall of the insulating film is coated with
Polyurethane coating by the insulating film 1 being arranged equipped with integrated sealing and is coated with polyurethane coating, is conducive to avoid in air
Steam intrusion capacitor internal leads to component wear, extends service life.
Operation principle of the present invention：In use, capacitor is mounted on working line by positive pin 6 and negative pin 7
In, protective layer 8 made of graphite material provides good insulating properties, the air cavity 5 of sealed set and is filled with sulfur hexafluoride gas
Body has good electrical insulation properties and excellent arc extinction performance, the radiating copper body 2 of 3 bottom of aluminum hull former using heat transfer
Reason improves the speed of capacitor heat dissipation, runs through the silicagel column 9 of protective layer 8 and aluminum hull 3, is conducive to 3 inner cavity fuse 4 of aluminum hull
It radiates when work, by the insulating film 1 being arranged equipped with integrated sealing and is coated with polyurethane coating, is conducive to avoid air
In steam intrusion capacitor internal lead to component wear, extend service life.The silicagel column of this scheme is being used for a long time
After be easy to cause and loosen.In addition, silicagel column actual thermal conductivity can be unsatisfactory.
Invention content
The purpose of the utility model is to provide a kind of high efficiency and heat radiation capacitances of better heat-radiation effect.
To achieve the goals above, the utility model includes insulating film, and the insulating film intracavity bottom is equipped with radiating copper
Body, radiating copper body top are equipped with aluminum hull, and the aluminum hull intracavity bottom is equipped with fuse, air cavity, institute are equipped at the top of the fuse
It states and is equipped with positive pin in air cavity, the anode pin side is equipped with negative pin, and the aluminum hull outer wall is arranged matcoveredn, institute
It states protective layer and is equipped with silicagel column, which is characterized in that be provided with multiple axis cylinder vertical with housing face on the aluminum hull
Shape through-hole, setting is along the equally distributed annular groove coaxial with the through hole of axis on through-hole wall, and the protective layer is equipped with and circle
Cylindricality through-hole is coaxial and the identical cylindrical hole in aperture, also has on cylindrical hole inner wall and is uniformly distributed along axis and coaxial with cylindrical hole
Annular groove, the silicagel column are cylinder, and outer diameter is identical as the internal diameter of cylindrical hole and cylindrical hole, and silicagel column is outer
Surface be equipped with the matched annular protrusion of annular groove quantity, position and size, the outer diameter of annular protrusion and silicagel column it is outer
Diameter difference is not more than three millimeters, and silicagel column one end is concordant with aluminum hull inner wall, and the other end is concordant with insulating film outer wall；
Cylindrical cavity is equipped in silicagel column, which overlaps with the axis of silicagel column, and cavity closes on insulating film
One end is set there are one the cylinder open coaxial with cavity, and cavity, which closes on one end inner wall of opening, fixes a gel mat, coagulates
Rubber cushion is less than opening inside diameter with opening corresponding position trepanning, aperture；
Further include a metal plug, metal plug includes a tapered portion and a cylindrical portion, and the vertex of a cone of tapered portion is inserted
In trepanning loaded on gel, vertex of a cone outer diameter is more than the open pore size of gel mat, and cylindrical portion one end is plugged in the trepanning of cavity,
Its outer diameter is more than the aperture of trepanning, coolant liquid is filled in cavity, the vacant end of cylindrical portion is stretched out outside insulating film, fixed on vacant end
Snap ring；
Further include card cap made of an engineering plastics, is equipped with cylindrical sleeve in card cap, sleeve is equipped with and cylindrical portion
The annular protrusion that snap ring snaps connection on vacant end, the card cap are equipped with the intercommunicating pore of connection sleeve and card cap outer surface, even
Through-hole has multiple.
Preferably, the positive pin and negative pin bottom end are arranged with rubber seal plug, and the rubber seal plug is set
It is placed in fuse top.
Further, the air cavity sealed set, the air cavity is interior to be filled with sulfur hexafluoride gas.
Further, the axis of the intercommunicating pore and cylindrical portion Axis Cross and a bit, the internal diameter and cylindricality of the sleeve
The difference of portion's outer diameter is not less than three millimeters.
Preferably, the positive pin runs through aluminum hull, protective layer and insulating film, and the negative pin is through aluminum hull, protection
Layer and insulating film.
Further, the insulating film integrated sealing setting, the insulating film inner wall are coated with polyurethane coating.
The beneficial effects of the utility model are that annular groove of the silicagel column with annular protrusion and aluminum hull and protective layer is matched
It closes, the heat-conducting area of silicagel column can be improved, while can prevent due to expanding with heat and contract with cold or using for a long time caused silica gel
Column loosens, and ensures its heat-conducting effect long-time stable.In addition, the interior filling coolant liquid of cavity in silicagel column can quickly inhale
Heat is received, ensures the stability of capacitance operating temperature.Meanwhile metal plug one end is located in coolant liquid, the other end is located at insulation
Layer is outer, and one end outside insulating layer can form cold end, and colling end, opposite one end for being close to capacitor core are formed in coolant liquid
It is exactly hot junction, coolant liquid spontaneous can recycle between cold and hot end, reach self cooled effect, improve cooling efficiency.If
Card cap can be introduced by air-flow by setting the intercommunicating pore on card cap, cooled down to the cold end of metal plug, improved cooling effect.
Description of the drawings
Fig. 1 prior-art illustrations.
Dotted line A interfacial structure figures in Fig. 2 Fig. 1.
Fig. 3 is the structural schematic diagram of silicagel column mounting hole.
Fig. 4 is silicagel column schematic diagram.
Fig. 5 is card cap structure schematic diagram.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings.
As shown in Fig. 3 to 5, a kind of high efficiency and heat radiation capacitance, including insulating film 1,1 intracavity bottom of the insulating film are equipped with heat dissipation
Copper body 2,2 top of radiating copper body are equipped with aluminum hull 3, and 3 intracavity bottom of the aluminum hull is equipped with fuse 4, and 4 top of the fuse is equipped with
Air cavity 5, the air cavity 5 is interior to be equipped with positive pin 6, and 6 side of the anode pin is equipped with negative pin 7,3 outer wall set of the aluminum hull
Equipped with protective layer 8, the protective layer 8 is equipped with silicagel column 9, which is characterized in that multiple axis and shell are provided on the aluminum hull 3
Body plane vertical cylindrical hole 31 is arranged along the equally distributed annular groove coaxial with the through hole of axis, institute on through-hole wall
It states protective layer 8 and is equipped with the identical cylindrical hole 81 in coaxial and aperture with cylindrical hole 31, also have along axis on 81 inner wall of cylindrical hole
Line is uniformly distributed and the annular groove coaxial with cylindrical hole 81, and the silicagel column 9 is cylinder, outer diameter and cylindrical hole 31 with
And the internal diameter of cylindrical hole 81 is identical, and the outer surface of silicagel column 9 is equipped with and the matched ring of annular groove quantity, position and size
Shape protrusion 91, the outer diameter of annular protrusion 91 and the outer diameter difference of silicagel column 9 are no more than three millimeters, 9 one end of silicagel column and aluminum hull 3
Inner wall is concordant, and the other end is concordant with 1 outer wall of insulating film；
Cylindrical cavity 100 is equipped in silicagel column 9, which overlaps with the axis of silicagel column 9, and cavity 100 faces
One end of nearly insulating film 1 is set there are one the cylinder open coaxial with cavity, and cavity 100 closes on fixed on one end inner wall of opening
One gel mat 11, gel mat 11 are less than opening inside diameter with opening corresponding position trepanning, aperture；
Further include a metal plug 12, metal plug 12 includes a tapered portion 121 and a cylindrical portion 122, taper
The vertex of a cone in portion 121 is plugged in the trepanning of gel, and vertex of a cone outer diameter is more than the open pore size of gel mat 11,122 one end of cylindrical portion
It is plugged in the trepanning of cavity 100, outer diameter is more than the aperture of trepanning, and coolant liquid, the sky of cylindrical portion 122 are filled in cavity 100
Yu Duan stretches out outside insulating film 1, fixing clasp on vacant end；
Further include card cap 13 made of an engineering plastics, cylindrical sleeve 133 is equipped in card cap 13, is set on sleeve 133
Have and is equipped with connection sleeve 133 and card cap with the annular protrusion that snap ring snaps connection on 122 vacant end of cylindrical portion, the card cap 13
The intercommunicating pore 131 of 13 outer surfaces, intercommunicating pore 131 have multiple.
Silicagel column coordinates with annular protrusion and the annular groove of aluminum hull and protective layer, can improve the thermal conductive surface of silicagel column
Product, at the same can prevent due to expand with heat and contract with cold or for a long time loosening using caused silicagel column, ensure that its heat-conducting effect is long
Time stablizes.In addition, the interior filling coolant liquid of cavity in silicagel column can quickly absorb heat, ensure capacitance operating temperature
Stability.Meanwhile metal plug one end is located in coolant liquid, the other end is located at outside insulating layer, and one end outside insulating layer being capable of shape
At cold end, form colling end in coolant liquid, opposite one end for being close to capacitor core is exactly hot junction, coolant liquid can it is spontaneous
It is recycled between cold and hot end, reaches self cooled effect, improve cooling efficiency.The intercommunicating pore being arranged on card cap can be by gas
Stream introduces card cap, is cooled down to the cold end of metal plug, improves cooling effect
Preferred embodiment, the anode pin 6 and 7 bottom end of negative pin are arranged with rubber seal plug 10, described
Rubber seal plug 10 is set to 4 top of fuse.
Preferred embodiment, 5 sealed set of the air cavity, the air cavity 5 is interior to be filled with sulfur hexafluoride gas.
Preferred embodiment, axis and 122 Axis Cross of cylindrical portion and a bit, the sleeve of the intercommunicating pore 131
133 internal diameter is not less than three millimeters with the difference of 122 outer diameter of cylindrical portion.
Preferred embodiment, the anode pin 6 run through aluminum hull 3, protective layer 8 and insulating film 1, the negative pin 7
Through aluminum hull 3, protective layer 8 and insulating film 1.
Preferred embodiment, the setting of 1 integrated sealing of the insulating film, 1 inner wall of the insulating film are coated with polyurethane painting
Material.
Above description is merely a prefered embodiment of the utility model, is not intended to limit the utility model, for ability
For field technique personnel, various modifications and changes may be made to the present invention.It is all in the spirit of the present invention and principle, done
Any modification, equivalent substitution, improvement and etc., equal Bao Yinghan is within the protection scope of the utility model.
Claims (6)
1. a kind of high efficiency and heat radiation capacitance, including insulating film (1), insulating film (1) intracavity bottom is equipped with radiating copper body (2), institute
It states radiating copper body (2) top and is equipped with aluminum hull (3), aluminum hull (3) intracavity bottom is equipped with fuse (4), is set at the top of the fuse (4)
There is air cavity (5), positive pin (6) is equipped in the air cavity (5), described anode pin (6) side is equipped with negative pin (7), institute
It states aluminum hull (3) outer wall and is arranged matcoveredn (8), the protective layer (8) is equipped with silicagel column (9), which is characterized in that the aluminum hull
(3) it is provided with multiple axis cylindrical hole vertical with housing face (31) on, is arranged on through-hole wall and uniformly divides along axis
The annular groove coaxial with the through hole of cloth, the protective layer (8) are equipped with the identical column in coaxial and aperture with cylindrical hole (31)
Shape hole (81) also has on cylindrical hole (81) inner wall and is uniformly distributed along axis and the annular groove coaxial with cylindrical hole (81), the silicon
Rubber column gel column (9) is cylinder, and outer diameter is identical as the internal diameter of cylindrical hole (31) and cylindrical hole (81), and silicagel column (9)
Outer surface be equipped with the matched annular protrusion of annular groove quantity, position and size (91), the outer diameter of annular protrusion (91) with
The outer diameter difference of silicagel column (9) is not more than three millimeters, and silicagel column (9) one end is concordant with aluminum hull (3) inner wall, the other end and insulating film
(1) outer wall is concordant；
Cylindrical cavity (100) is equipped in silicagel column (9), which overlaps with the axis of silicagel column (9), cavity
(100) one end for closing on insulating film (1) is set there are one the cylinder open coaxial with cavity, and cavity (100) closes on the one of opening
A gel mat (11) is fixed on the inner wall of end, gel mat (11) is less than opening inside diameter with opening corresponding position trepanning, aperture；
Further include a metal plug (12), metal plug (12) includes a tapered portion (121) and a cylindrical portion (122),
The vertex of a cone of tapered portion (121) is plugged in the trepanning of gel, and vertex of a cone outer diameter is more than the open pore size of gel mat (11), cylindrical portion
(122) one end is plugged in the trepanning of cavity (100), and outer diameter is more than the aperture of trepanning, and coolant liquid is filled in cavity (100),
Insulating film (1) is stretched out outside in the vacant end of cylindrical portion (122), fixing clasp on vacant end；
Further include card cap (13) made of an engineering plastics, cylindrical sleeve (133), sleeve (133) are equipped in card cap (13)
It is equipped with and is equipped with connection sleeve with the annular protrusion that snap ring snaps connection on cylindrical portion (122) vacant end, the card cap (13)
(133) and the intercommunicating pore (131) of card cap (13) outer surface, intercommunicating pore (131) have multiple.
2. a kind of high efficiency and heat radiation capacitance according to claim 1, it is characterised in that：The anode pin (6) and cathode draw
Foot (7) bottom end is arranged with rubber seal plug (10), and the rubber seal plug (10) is set to fuse (4) top.
3. a kind of high efficiency and heat radiation capacitance according to claim 1, it is characterised in that：Air cavity (5) sealed set, it is described
Sulfur hexafluoride gas is filled in air cavity (5).
4. a kind of high efficiency and heat radiation capacitance according to claim 1, which is characterized in that the axis of the intercommunicating pore (131) with
Cylindrical portion (122) Axis Cross and a bit, the internal diameter of the sleeve (133) and the difference of cylindrical portion (122) outer diameter are not less than three
Millimeter.
5. a kind of high efficiency and heat radiation capacitance according to claim 1, it is characterised in that：The anode pin (6) runs through aluminum hull
(3), protective layer (8) and insulating film (1), the negative pin (7) run through aluminum hull (3), protective layer (8) and insulating film (1).
6. a kind of high efficiency and heat radiation capacitance according to claim 1, it is characterised in that：Insulating film (1) integrated sealing
Setting, insulating film (1) inner wall are coated with polyurethane coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351353.XU CN208077789U (en) | 2018-03-15 | 2018-03-15 | A kind of high efficiency and heat radiation capacitance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820351353.XU CN208077789U (en) | 2018-03-15 | 2018-03-15 | A kind of high efficiency and heat radiation capacitance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077789U true CN208077789U (en) | 2018-11-09 |
Family
ID=64046071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820351353.XU Expired - Fee Related CN208077789U (en) | 2018-03-15 | 2018-03-15 | A kind of high efficiency and heat radiation capacitance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496560A (en) * | 2022-03-14 | 2022-05-13 | 南通西东电器有限公司 | High-efficient heat abstractor of condenser |
-
2018
- 2018-03-15 CN CN201820351353.XU patent/CN208077789U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114496560A (en) * | 2022-03-14 | 2022-05-13 | 南通西东电器有限公司 | High-efficient heat abstractor of condenser |
| CN114496560B (en) * | 2022-03-14 | 2022-11-11 | 南通西东电器有限公司 | Condenser heat abstractor |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20181109 Termination date: 20190315 |