CN220873416U

CN220873416U - Capacitor shell

Info

Publication number: CN220873416U
Application number: CN202322213642.7U
Authority: CN
Inventors: 王占东; 晋华会; 谢志懋
Original assignee: Foshan City Xinyuan Electronics Co ltd
Current assignee: Foshan City Xinyuan Electronics Co ltd
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-04-30
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a capacitor shell, which belongs to the technical field of capacitors, and particularly relates to a capacitor shell, comprising a capacitor inner core and a protective structure wrapped outside the capacitor inner core, wherein the protective structure comprises: the heat conducting frame is wrapped on the outer side of the capacitor inner core, heat conducting cotton is filled in a gap between the inner side of the heat conducting frame and the outer side of the capacitor inner core, a protective shell is wrapped on the outer side of the heat conducting frame, a connecting structure is arranged between the inner side of the protective shell and the heat conducting frame, the heat conducting frame is wrapped on the outer side of the capacitor inner core, the heat conducting cotton is filled between the inner side of the heat conducting frame and the outer side of the capacitor inner core, the outer side of the heat conducting frame is connected with the protective shell through threads and thread grooves, heat is transmitted to the heat conducting frame through the heat conducting cotton, then transmitted to the protective shell through the heat conducting frame, and the heat radiating area is increased through the cavity and the heat conducting plate; and the heat dissipation efficiency is improved.

Description

Capacitor shell

Technical Field

The utility model relates to the technical field of capacitors, in particular to a capacitor shell.

Background

Two conductors adjacent to each other with a layer of non-conductive dielectric therebetween, form a capacitor that stores charge when a voltage is applied between the two plates of the capacitor. The capacitance of the capacitor is equal in value to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F), which is commonly referred to as a capacitive element by the letter C in a circuit diagram, and is a commonly used electronic component, which is usually at a high ambient temperature when in use, because the electronic device itself generates a large amount of heat.

The existing materials wrapped on the outer side of the capacitor are inconvenient to dissipate heat and influence use, explosion can be caused by long-time high-temperature use, and the danger coefficient can be increased without a protective structure.

To this end, we invented a capacitor case.

Disclosure of utility model

The present utility model has been made in view of the above and/or problems occurring in the prior art capacitor case.

Therefore, the present utility model aims to provide a capacitor case, which can solve the problems that the material wrapping the outside of the existing capacitor is inconvenient to dissipate heat, affects the use, and can cause explosion when used at high temperature for a long time, and the danger coefficient is increased when no protective structure is provided.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

A capacitor housing, comprising: the inner core of the capacitor and wrap up in the protective structure in the inner core outside of the capacitor, the said protective structure includes:

The heat conduction frame, the heat conduction frame parcel is in the outside of condenser inner core, the clearance intussuseption between the inboard of heat conduction frame and the condenser inner core outside is filled with heat conduction cotton.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the outside parcel of heat conduction frame has the protecting crust, the inboard of protecting crust is equipped with installs connection structure with the heat conduction frame between.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the connection structure includes: the screw thread groove is formed in the outer side of the heat conducting frame, threads are fixedly arranged on the inner side of the protective shell, and the inner side of the protective shell is in threaded connection with the screw thread groove on the outer wall of the heat conducting frame through the threads.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the inner side of the protective shell is provided with a cavity, the protective shell is divided into a metal outer shell and a metal inner shell through the cavity, and the outer side of the metal outer shell is uniformly provided with heat-conducting plates.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the top of protecting crust is equipped with the closing cap, the bottom outside fixed mounting of closing cap has the inserted block, inserted block and cavity inner wall sliding connection.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the anti-explosion device is characterized in that the anti-explosion shell is arranged on the outer side of the protective shell, an annular cavity is formed in the inner side of the anti-explosion shell, a first vertical mounting groove is formed in the inner side of the annular cavity, and a second vertical mounting groove is formed in the outer side of the annular cavity.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the inner wall of the first vertical installation groove is in sliding connection with the outer wall of the heat conducting plate.

As a preferred embodiment of the capacitor case according to the present utility model, wherein: the outside of explosion-proof shell is divided into a plurality of risers by the vertical mounting groove II of seting up, the inboard middle part of riser corresponds with the heat conduction board outside.

Compared with the prior art:

Wrapping a heat conducting frame on the outer side of the inner core of the capacitor, filling heat conducting cotton between the inner side of the heat conducting frame and the outer side of the inner core of the capacitor, connecting the outer side of the heat conducting frame with a protective shell through threads and thread grooves, transmitting heat to the heat conducting frame through the heat conducting cotton, transmitting the heat to the protective shell through the heat conducting frame, and increasing the heat radiating area through the cavity and the heat conducting plate; and the heat dissipation efficiency is improved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a front view of the explosion proof housing of the present utility model;

FIG. 3 is a front view of the protective housing of the present utility model;

FIG. 4 is a front view of a heat conducting frame of the present utility model;

FIG. 5 is a front view of the closure of the present utility model;

FIG. 6 is a view of the metal inner and outer shells of the present utility model;

FIG. 7 is a top view of FIG. 4 in accordance with the present utility model;

FIG. 8 is a cross-sectional view of the region A-A of FIG. 7 in accordance with the present utility model.

In the figure: the capacitor comprises a capacitor inner core 1, an electrode 101, heat conducting cotton 2, a heat conducting frame 3, a protective shell 4, a cavity 5, a metal inner shell 6, a metal outer shell 7, a heat conducting plate 8, an explosion-proof shell 9, an annular cavity 10, a first vertical mounting groove 11, a second vertical mounting groove 12, a vertical plate 13, a sealing cover 14, an inserting block 15, a thread groove 16 and threads 17.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Embodiment one:

The utility model provides a capacitor shell, which has the advantages of convenient use and improved protection coefficient, referring to fig. 1-8, and comprises a capacitor inner core 1 and a protection structure wrapped outside the capacitor inner core 1, wherein the protection structure comprises:

the heat conduction frame 3, heat conduction frame 3 parcel in the outside of condenser inner core 1, and the clearance intussuseption between the inboard of heat conduction frame 3 and the condenser inner core 1 outside is filled with heat conduction cotton 2, and the outside parcel of heat conduction frame 3 has protective housing 4, and the inboard of protective housing 4 is equipped with installs connection structure with heat conduction frame 3 between.

The connection structure includes: the screw thread groove 16, the screw thread groove 16 is offered in the outside of heat conduction frame 3, and the inboard fixed mounting of protecting crust 4 has screw thread 17, and the inboard of protecting crust 4 passes through screw thread 17 and the screw thread groove 16 threaded connection of heat conduction frame 3 outer wall, and cavity 5 has been offered to the inboard of protecting crust 4, separates protecting crust 4 into metal shell 7 and metal inner shell 6 through cavity 5, and the outside of metal shell 7 evenly distributes and has heat-conducting plate 8.

A sealing cover 14 is arranged above the protective shell 4, an inserting block 15 is fixedly arranged at the outer side of the bottom end of the sealing cover 14, and the inserting block 15 is in sliding connection with the inner wall of the cavity 5.

When the capacitor is specifically used, a person skilled in the art wraps the heat conducting frame 3 on the outer side of the capacitor inner core 1, heat conducting cotton 2 is filled between the inner side of the heat conducting frame 3 and the outer side of the capacitor inner core 1, the outer side of the heat conducting frame 3 is connected with the protective shell 4 through threads 17 and thread grooves 16, heat is transmitted to the heat conducting frame 3 through the heat conducting cotton 2 and then is transmitted to the protective shell 4 through the heat conducting frame 3, and then the heat radiating area is increased through the cavity 5 and the heat conducting plate 8; and the heat dissipation efficiency is improved.

Embodiment two:

The utility model provides a capacitor shell, referring to fig. 1-8, an explosion-proof shell 9 is arranged on the outer side of a protective shell 4, an annular cavity 10 is formed on the inner side of the explosion-proof shell 9, a first vertical mounting groove 11 is formed on the inner side of the annular cavity 10, a second vertical mounting groove 12 is formed on the outer side of the annular cavity 10, the inner wall of the first vertical mounting groove 11 is in sliding connection with the outer wall of a heat conducting plate 8, the outer side of the explosion-proof shell 9 is divided into a plurality of vertical plates 13 by the second vertical mounting groove 12, and the middle parts of the inner sides of the vertical plates 13 correspond to the outer sides of the heat conducting plate 8.

When the capacitor is specifically used, a person skilled in the art wraps the heat conducting frame 3 on the outer side of the capacitor inner core 1, heat conducting cotton 2 is filled between the inner side of the heat conducting frame 3 and the outer side of the capacitor inner core 1, the outer side of the heat conducting frame 3 is connected with the protective shell 4 through threads 17 and thread grooves 16, heat is transmitted to the heat conducting frame 3 through the heat conducting cotton 2 and then is transmitted to the protective shell 4 through the heat conducting frame 3, and then the heat radiating area is increased through the cavity 5 and the heat conducting plate 8; the heat dissipation efficiency is improved;

The heat conducting plate 8 outside the protective shell 4 is inserted into the first vertical mounting groove 11 formed in the inner side of the explosion-proof shell 9, heat dissipation is not affected through the first vertical mounting groove 11 and the second vertical mounting groove 12, and meanwhile, the heat conducting plate 8 is shielded through the vertical plate 13, so that materials in explosion are buffered, and the safety coefficient is improved.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a capacitor casing, includes capacitor core (1) and wraps up in protective structure in capacitor core (1) outside, its characterized in that: the protective structure comprises:

the heat conduction frame (3), heat conduction frame (3) parcel is in the outside of condenser inner core (1), the clearance intussuseption between the inboard of heat conduction frame (3) and the condenser inner core (1) outside is filled with heat conduction cotton (2).

2. The capacitor shell according to claim 1, wherein the outer side of the heat conducting frame (3) is wrapped with a protecting shell (4), and a connecting structure is arranged between the inner side of the protecting shell (4) and the heat conducting frame (3).

3. A capacitor housing according to claim 2, wherein said connecting structure comprises: the heat conduction device comprises a heat conduction frame (3), a heat conduction shell (4) and a thread groove (16), wherein the thread groove (16) is formed in the outer side of the heat conduction frame (3), threads (17) are fixedly arranged on the inner side of the heat conduction shell (4), and the inner side of the heat conduction shell (4) is in threaded connection with the thread groove (16) on the outer wall of the heat conduction frame (3) through the threads (17).

4. A capacitor housing according to claim 3, characterized in that the inner side of the protective housing (4) is provided with a cavity (5), the protective housing (4) is divided into a metal outer housing (7) and a metal inner housing (6) by means of the cavity (5), and the outer side of the metal outer housing (7) is uniformly provided with heat conducting plates (8).

5. The capacitor shell according to claim 4, wherein a cover (14) is arranged above the protective shell (4), an insert block (15) is fixedly arranged at the outer side of the bottom end of the cover (14), and the insert block (15) is slidably connected with the inner wall of the cavity (5).

6. The capacitor shell according to claim 5, wherein the explosion-proof shell (9) is mounted on the outer side of the protective shell (4), the inner side of the explosion-proof shell (9) is provided with an annular cavity (10), the inner side of the annular cavity (10) is provided with a first vertical mounting groove (11), and the outer side of the annular cavity (10) is provided with a second vertical mounting groove (12).

7. A capacitor housing according to claim 6, wherein the inner wall of the first vertical mounting groove (11) is slidingly connected to the outer wall of the heat conducting plate (8).

8. A capacitor housing according to claim 7, characterized in that the outside of the explosion-proof housing (9) is divided into a plurality of risers (13) by a second vertical mounting groove (12), and the middle part of the inside of the risers (13) corresponds to the outside of the heat conducting plate (8).