CN214254133U

CN214254133U - Capacitor shell and capacitor

Info

Publication number: CN214254133U
Application number: CN202120299726.5U
Authority: CN
Inventors: 裴虎; 唐志华; 郭华芳; 朱明甜; 杨彩云
Original assignee: Guangzhou Institute of Energy Conversion of CAS
Current assignee: Guangzhou Institute of Energy Conversion of CAS
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-09-21
Anticipated expiration: 2031-02-02

Abstract

The utility model discloses a capacitor shell, including the casing lateral wall, the casing lateral wall includes casing lateral surface and casing medial surface, and the one end of casing lateral wall is provided with the diapire, and the diapire is connected with the casing lateral wall, forms the groove dress and holds the chamber, is equipped with heat dissipation texture on the casing lateral surface, has seted up on the diapire and has drawn forth the electrode hole. A capacitor comprises a capacitor core, a lead-out electrode and the capacitor shell, wherein the capacitor core is arranged in an accommodating cavity of the capacitor shell, the lead-out electrode is connected with the capacitor core and extends out of the capacitor shell from a lead-out electrode hole, and a packaging material is filled between the capacitor core and the inner side face of the shell of the capacitor shell. The utility model discloses a set up heat dissipation texture at capacitor case, can increase capacitor case heat radiating area to effectively strengthen condenser heat-sinking capability, reduce the inside temperature rise of condenser, simple manufacture, with low costs moreover.

Description

Capacitor shell and capacitor

Technical Field

The utility model relates to a condenser technical field, concretely relates to capacitor shell and condenser.

Background

The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. The capacitor is generally composed of a case, a capacitor core, a packaging material, a lead-out terminal, and a lead wire connecting the core and the lead-out terminal. The outer wall of the existing capacitor shell is mostly of a plane structure, the heat dissipation performance is poor, heat can be generated in the working process of the capacitor, the heat dissipation effect of the capacitor is poor, the heat in the capacitor can not be dissipated for a long time, the aging of the capacitor is easy to accelerate, and the service life of the capacitor can be directly influenced; meanwhile, the plane structure is smooth, the capacitor can slide off in the installation process, the installation efficiency is influenced, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention is to solve the above-mentioned deficiencies of the prior art, and to provide a capacitor case and a capacitor capable of effectively improving heat dissipation power; and simultaneously, the utility model discloses the problem of landing in the installation use has been solved to a certain extent.

In order to achieve the above purpose, the technical scheme of the utility model is that:

the utility model provides a capacitor case, includes the casing lateral wall, the casing lateral wall includes casing lateral surface and casing medial surface, the one end of casing lateral wall is provided with the diapire, the diapire is connected with the casing lateral wall, forms the groove dress and holds the chamber, be equipped with heat dissipation texture on the casing lateral surface, the extraction electrode hole has been seted up on the diapire.

Furthermore, the outer side surface of the shell is also provided with heat dissipation holes.

Furthermore, the heat dissipation holes are formed in the heat dissipation texture.

Further, the heat dissipation texture comprises any one or a mixture of a horizontal stripe texture, a vertical stripe texture and an oblique stripe texture.

Further, the side wall and the bottom wall of the shell are made of high heat conduction plastic materials.

A capacitor comprises a capacitor core, an extraction electrode and the capacitor shell, wherein the capacitor core is arranged in an accommodating cavity of the capacitor shell, and the extraction electrode is connected with the capacitor core and extends out of the capacitor shell from an extraction electrode hole.

Furthermore, a packaging material is poured between the capacitor core and the inner side face of the shell of the capacitor shell.

Further, the encapsulating material includes an epoxy resin.

Compared with the prior art, the utility model, have following advantage:

1) the utility model discloses a set up heat dissipation texture at capacitor case, can increase capacitor case heat radiating area to effectively strengthen condenser heat-sinking capability, reduce the inside temperature rise of condenser, simple manufacture, with low costs moreover.

2) The capacitor shell of the utility model is provided with heat dissipation textures, thus solving the problem of slipping of the capacitor in the installation process to a certain extent;

3) the utility model discloses a set up the heat dissipation texture at capacitor case, satisfying under the radiating prerequisite of casing, realized the condenser miniaturization.

Drawings

FIG. 1 is a schematic view of the overall structure of the capacitor case;

FIG. 2 is a schematic view of a heat dissipation texture structure of the capacitor case of the present invention;

FIG. 3 is an exploded view of the capacitor;

FIG. 4 is a schematic cross-sectional view of the present capacitor;

description of reference numerals: 1. a capacitor case; 11. heat dissipation textures; 12. heat dissipation holes; 13. leading out an electrode hole; 14. a bottom wall; 15. a housing sidewall; 2. packaging materials; 3. a capacitor core; 4. and leading out the electrode.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, only for convenience of description and simplification of description, but not for indicating or implying that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1, a capacitor case includes a case sidewall 15, the case sidewall 15 includes a case outer side surface and a case inner side surface, a bottom wall 14 is disposed at one end of the case sidewall 15, the bottom wall 14 is connected with the case sidewall 15 to form a groove accommodating cavity, a heat dissipation texture 11 is disposed on the case outer side surface, an extraction electrode hole 13 is disposed on the bottom wall 14, a heat dissipation hole 12 is further disposed on the case outer side surface, and the heat dissipation hole 12 may be specifically disposed on the heat dissipation texture 11 or may be disposed at an interval between the heat dissipation textures 11. The heat dissipation texture 11 includes any one or a mixture of a horizontal stripe texture, a vertical stripe texture, and a diagonal stripe texture.

Specifically, the shape of the capacitor case 1 may be square or cylindrical, and in this embodiment, the capacitor case is cylindrical, the case side wall 15 is a cylindrical side surface, the bottom wall 14 is a cylindrical bottom end surface, and the case side wall 15 and the bottom wall 14 may be manufactured in an integrated manner or in a manner of being formed separately and then assembled. The heat dissipation texture 11 specifically adopts a vertical bar-shaped texture, and the heat dissipation texture 11 and the shell side wall 15 are integrally formed, so that the heat dissipation area can be effectively increased. The radiating holes 12 additionally arranged on the radiating texture 11 can make the radiating texture 11 and the radiating holes 12 supplement each other, so as to enhance the convection heat transfer and improve the radiating effect. The side wall 15 and the bottom wall 14 of the housing are made of plastic, in particular, made of high thermal conductivity plastic material, so as to improve the durability of the capacitor shell.

A capacitor comprises a capacitor core 3, a lead-out electrode 4 and the capacitor shell 1, wherein the capacitor core 3 is arranged in a containing cavity of the capacitor shell 1, and the lead-out electrode 4 is connected with the capacitor core 3 and extends out of the capacitor shell 1 from a lead-out electrode hole 13. And a packaging material 2 is filled between the capacitor core 3 and the inner side surface of the capacitor shell 1, and the packaging material 2 is specifically epoxy resin.

Specifically, the capacitor core 3 is installed in the accommodating cavity of the capacitor housing 1, and the packaging material 2 is filled between the capacitor core 3 and the capacitor housing 1, so that the capacitor core 3 and the capacitor housing 1 are hermetically fixed, and the packaging material 2 preferably uses epoxy resin, so that the heat of the capacitor core 3 can be better transferred to the capacitor housing 1, and the heat can be better and more uniformly dissipated. The lead-out electrode 4 is connected with the capacitor core 3 and extends out of the capacitor shell 1, and the whole structure is simple and reasonable.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A capacitor case, characterized by: including casing lateral wall (15), casing lateral wall (15) include casing lateral surface and casing medial surface, the one end of casing lateral wall (15) is provided with diapire (14), diapire (14) are connected with casing lateral wall (15), form the groove dress and hold the chamber, be equipped with heat dissipation texture (11) on the casing lateral surface, lead out electrode hole (13) have been seted up on diapire (14).

2. The capacitor case of claim 1, wherein: the outer side surface of the shell is also provided with heat dissipation holes (12).

3. The capacitor case of claim 2, wherein: the heat dissipation holes (12) are formed in the heat dissipation texture (11).

4. The capacitor case of claim 1, wherein: the heat dissipation textures (11) comprise any one or a mixture of a plurality of transverse stripe textures, vertical stripe textures and oblique stripe textures.

5. The capacitor case of claim 1, wherein: the side wall (15) and the bottom wall (14) of the shell are made of high heat conduction plastic materials.

6. A capacitor, characterized by: the capacitor comprises a capacitor core (3), an extraction electrode (4) and the capacitor shell (1) as claimed in any one of claims 1 to 5, wherein the capacitor core is arranged in a containing cavity of the capacitor shell (1), and the extraction electrode (4) is connected with the capacitor core (3) and extends out of the capacitor shell (1) from an extraction electrode hole (13).

7. The capacitor of claim 6, wherein: and a packaging material (2) is filled between the capacitor core (3) and the inner side surface of the capacitor shell (1).

8. The capacitor of claim 7, wherein: the encapsulating material (2) comprises an epoxy resin.