CN215770876U

CN215770876U - Capacitor shell with heat dissipation function

Info

Publication number: CN215770876U
Application number: CN202122105669.5U
Authority: CN
Inventors: 黄强; 李运强
Original assignee: Shenzhen Kaichuan Industrial Co ltd
Current assignee: Shenzhen Kaichuan Industrial Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-08
Anticipated expiration: 2031-09-01

Abstract

The utility model discloses a capacitor shell with a heat dissipation function, which comprises a shell body and an inner core, wherein the shell body is a cylindrical cavity shell with an open top, the outer side surface and the outer side bottom of the shell body are coated with graphene heat conduction layers, the thickness of each graphene heat conduction layer is gradually thinned from top to bottom, and the inner core is embedded in the shell body in a matching manner. According to the utility model, the graphene heat-conducting layer is sprayed on the outer side surface and the outer surface wall of the bottom of the aluminum shell, and is gradually thinned from top to bottom, so that the problem of the internal heating, especially the maximum bottom heat, of the capacitor is effectively solved by utilizing the characteristic that the thinner the graphene is, the better the heat dissipation effect is, the stability and the safety of the capacitor are further improved, the service life is prolonged, and the utility model has the advantages of simple structure, reasonable cost and good heat dissipation effect, and is suitable for popularization in the capacitor industry.

Description

Capacitor shell with heat dissipation function

Technical Field

The utility model relates to the technical field of electronic device tools, in particular to a capacitor shell with a heat dissipation function.

Background

Aluminum electrolytic capacitors have been a common choice for power supplies due to their low cost. However, they are prone to heat generation during use, resulting in limited life, frequent damage and replacement, and, due to the aluminum material used for the outer shell, heat transfer is easy, especially under extreme conditions of high temperature. The aluminum electrolytic capacitor is characterized in that metal sheets are placed on two sides of a paper sheet soaked with electrolyte, the electrolyte can be evaporated during the service life of the capacitor, so that the electrical property of the capacitor is changed, if the capacitor fails, violent reaction can occur, pressure is formed inside the capacitor, and inflammable and corrosive gas is released.

In the use process of the existing aluminum electrolytic capacitor, the problem that the operation of the whole equipment is affected by the device failure due to the long-time use because the aluminum electrolytic capacitor is easy to generate heat and scald in the operation process is considered, and in order to solve the problem, an external heat radiation mode is generally adopted, for example, a fan or an air conditioner and other equipment are additionally arranged on the periphery of the device for cooling and radiating.

However, the problem that the aluminum electrolytic capacitor generates heat cannot be effectively solved through external cooling and heat dissipation, and because the aluminum electrolytic capacitor generates heat internally, the problem that the device generates heat only needs to be effectively cooled and dissipated internally so as to better solve the problem, and the service life of the device is prolonged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a capacitor shell with a heat dissipation function, which mainly aims to overcome the defects and shortcomings in the prior art.

The technical scheme adopted by the utility model is as follows:

the utility model provides a capacitor case with heat dissipation function, includes casing body and inner core, the casing body is the open cylinder cavity casing in top, casing body lateral surface and outside bottom are scribbled and are equipped with graphite alkene heat-conducting layer, and this graphite alkene heat-conducting layer thickness is from last gradual attenuation setting down, the inner core adaptation inlays to be located the casing body is inboard.

Furthermore, the bottom of the outer side of the shell body and the graphene heat conduction layer at the lower part of the outer side surface of the shell body are uniform and have the same thickness.

Furthermore, the shell body is made of aluminum.

Further, the inner core includes from last to stacking in proper order down and first electrolytic paper, positive pole paper tinsel, second electrolytic paper and the negative pole paper tinsel of coiling, first electrolytic paper the positive pole paper tinsel the second electrolytic paper with negative pole paper tinsel bottom cross-section all with bottom surface butt in the casing body.

Furthermore, a plurality of cathode strips are arranged on the outer side surface of the cathode foil in a mortise mode, and the cathode strips are provided with sheet-shaped cathode foils corresponding to the mortise.

Furthermore, the casing body is provided with a cover body in a matched manner, and the top of the cover body is vertically provided with positive and negative pins.

As can be seen from the above description of the present invention, compared with the prior art, the present invention has the following advantages:

according to the utility model, the graphene heat conduction layer is sprayed on the outer side surface and the outer surface wall of the bottom of the aluminum shell, according to the characteristic that the heat productivity of the capacitor is gradually increased from top to bottom, particularly, the heat productivity of the bottom of the shell is larger, the graphene heat conduction layer is gradually thinned from top to bottom, and the principle that the thinner the graphene is, the better the heat dissipation effect is utilized, so that the heat generated inside the capacitor is effectively conducted and dissipated, the problem that the heat is generated inside the capacitor, particularly the heat is the largest when the bottom is, is effectively solved, the service life of the capacitor is prolonged, and the heat dissipation device is simple in structure, reasonable in cost and good in heat dissipation effect, and is suitable for popularization in the capacitor industry.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic top view of the present invention.

FIG. 3 is a schematic side view of the present invention

Fig. 4 is a schematic structural diagram of the appearance of the present invention.

Detailed Description

Embodiments of the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, a capacitor case with heat dissipation function, including casing body 1 and inner core 2, casing body 1 is the open cylinder cavity casing in top, 1 lateral surface of casing body and outside bottom are scribbled and are equipped with graphite alkene heat-conducting layer 3, and 3 thicknesses of this graphite alkene heat-conducting layer are from last gradual attenuation setting down, inner core 2 adaptation inlays to be located 1 inboards of casing body.

Furthermore, the bottom of the outer side of the shell body 1 and the graphene heat conduction layer at the lower part of the outer side surface of the shell body 1 are uniform and have the same thickness.

Furthermore, the housing body 1 is made of aluminum.

Further, the inner core 2 includes from last to overlapping in proper order down and first electrolytic paper 4, positive pole paper tinsel 5, second electrolytic paper 6 and the negative pole paper tinsel 7 of coiling, first electrolytic paper 4 positive pole paper tinsel 5 second electrolytic paper 6 with negative pole paper tinsel 7 bottom cross-section all with bottom surface butt in the casing body 1.

Furthermore, a plurality of cathode strips 8 are arranged on the outer side surface of the cathode foil 7 in a mortise manner, and the plurality of cathode strips 8 are provided with sheet-shaped cathode foils corresponding to the mortise manner (due to a view angle, a schematic diagram is not marked).

Furthermore, the housing body 1 is covered with a cover 9, and the top of the cover 9 is vertically provided with positive and negative pins 10.

The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications of the present invention using this concept shall fall within the scope of infringing the present invention.

Claims

1. The utility model provides a capacitor case with heat dissipation function which characterized in that: including casing body and inner core, the casing body is the open cylinder cavity casing in top, casing body lateral surface and outside bottom are scribbled and are equipped with graphite alkene heat-conducting layer, and this graphite alkene heat-conducting layer thickness is from last gradual attenuation setting down, the inner core adaptation inlays to be located the casing body is inboard.

2. The capacitor case with the heat dissipation function of claim 1, wherein: the bottom of the outer side of the shell body is uniform in thickness with the graphene heat conduction layer at the lower part of the outer side face of the shell body.

3. The capacitor case with the heat dissipation function of claim 1, wherein: the shell body is made of aluminum.

4. The capacitor case with the heat dissipation function of claim 1, wherein: the inner core includes from last to stacking in proper order down and first electrolytic paper, positive pole paper tinsel, second electrolytic paper and the negative pole paper tinsel of coiling, first electrolytic paper the positive pole paper tinsel the second electrolytic paper with negative pole paper tinsel bottom cross-section all with bottom surface butt in the casing body.

5. The capacitor case with the heat dissipation function of claim 4, wherein: the outer side surface of the cathode foil is provided with a plurality of cathode strips, and the plurality of cathode strips are provided with sheet cathode foils corresponding to the cathode strips.

6. The capacitor case with the heat dissipation function of claim 1, wherein: the casing body adaptation lid is equipped with the lid, and positive negative pole pin has been installed perpendicularly to this lid top.