CN218939441U

CN218939441U - Heat-resistant capacitor

Info

Publication number: CN218939441U
Application number: CN202223070684.1U
Authority: CN
Inventors: 王永松
Original assignee: Suzhou Songcon Electronic Technology Co ltd
Current assignee: Suzhou Songcon Electronic Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-04-28
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a heat-resistant capacitor, which comprises a capacitor shell, wherein a capacitor core is arranged in the capacitor shell, two terminal connectors are symmetrically arranged on the upper surface of the capacitor shell, the bottom of the capacitor shell is fixedly connected with a mounting seat, a protective shell is welded on the upper surface of the mounting seat, a top cover is arranged on the top of the inner side wall of the protective shell, and a heat dissipation shell is arranged on the outer side wall of the capacitor shell. According to the heat-resistant capacitor, the heat is absorbed by the heat-conducting glue and is transmitted to the outside of the heat-radiating shell, the heat is discharged out of the capacitor through the heat-radiating grooves, the heat radiation grille is arranged to accelerate heat radiation, and meanwhile, according to the heat conduction characteristic, the heat can be transmitted from the inside of the capacitor with higher temperature to the outside of the capacitor by means of the heat-conducting columns, so that the heat-resistant capacitor capable of timely radiating the heat in the capacitor is formed, the situation that the capacitor explodes due to overhigh heat is prevented, and the service life of the capacitor is prolonged.

Description

Heat-resistant capacitor

Technical Field

The utility model relates to a capacitor, in particular to a heat-resistant capacitor, and belongs to the technical field of capacitors.

Background

The capacitor is an element for storing electric quantity and electric energy (potential energy), and plays an important role in circuits such as tuning, bypass, coupling and filtering; the capacitor can be applied to the fields of high-speed rails, subway high-power circuits, energy storage equipment, photovoltaic power generation equipment and the like;

china discloses the authorized utility model: CN209487327U discloses a novel capacitor, including core package and shell, the core package overcoat is equipped with the shell, and the shell external shaping has a plurality of beam waist district, is used for hugging closely the shell at core package surface and fixes the core package in the shell through the beam waist district. The utility model is used for fixing the inner core bag through the waist-binding area, thereby replacing the original filler. Therefore, when the capacitor is processed, the core bag is only required to be placed in the shell and then extruded once by a machine, so that the capacitor can be produced. Meanwhile, the volume of the whole capacitor is increased through the fixation of the filler, so that the cost is high, and the utility model does not adopt the filler, thereby reducing the volume of the whole capacitor and further reducing the cost.

The capacitor only depends on the shell to outwards disperse the heat generated in the capacitor, but the mode is limited by the air heat conduction rate, so that the heat dissipation effect is poor, and particularly under the conditions of sudden high current, high voltage and the like, the rapidly increased heat cannot be timely dispersed, so that the situation of explosion caused by too high heat is easy to occur, and the service life of the capacitor is influenced; for this purpose, a heat-resistant capacitor is proposed.

Disclosure of Invention

The present utility model is directed to a heat-resistant capacitor, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat-resisting type condenser, includes the condenser casing, the inside of condenser casing is equipped with the condenser core, the upper surface symmetry of condenser casing is equipped with two terminal connection, the bottom fixedly connected with mount pad of condenser casing, the upper surface welding of mount pad has the protecting sheathing, the inside wall top of protecting sheathing is equipped with the top cap, the radiating shell is installed to the lateral wall of condenser casing, the radiating shell with be equipped with the heat conduction glue between the adjacent one side of condenser casing, the lateral wall welding of radiating shell has the heat dissipation grid, the lateral wall uniform welding of heat dissipation grid has the heat conduction post, the radiating groove has evenly been seted up to the lower surface of top cap.

As a further preferred aspect of the present utility model: through holes are uniformly formed in the upper surface of the top cover.

As a further preferred aspect of the present utility model: the lower surface of top cap evenly bonds there is the elastic plate, the one side bottom of elastic plate bonds there is the fixture block.

As a further preferred aspect of the present utility model: clamping grooves are uniformly formed in the inner side wall of the protective shell.

As a further preferred aspect of the present utility model: the upper surface of the protective shell is uniformly provided with a conical pressure relief groove, the inner side wall of the conical pressure relief groove is inserted with a conical plug, the lower surface of the top cover is uniformly provided with a blind groove, the blind groove is communicated with the conical pressure relief groove, a bearing plate is welded on the inner side wall of the blind groove, and a spring is installed between the bearing plate and one adjacent side of the conical plug.

As a further preferred aspect of the present utility model: the lower surface of the conical plug is uniformly adhered with a guide sleeve rod.

As a further preferred aspect of the present utility model: the upper surface of the bearing plate is uniformly adhered with a guide sleeve, and the guide sleeve is in sliding connection with the guide sleeve rod.

As a further preferred aspect of the present utility model: the upper surface of top cap symmetry bonds has two protective sheath.

Compared with the prior art, the utility model has the beneficial effects that:

according to the heat-resistant capacitor, the heat is absorbed by the heat-conducting glue and is transmitted to the outside of the heat-radiating shell, the heat is discharged out of the capacitor through the heat-radiating grooves, the heat radiation grille is arranged to accelerate heat radiation, and meanwhile, according to the heat conduction characteristic, the heat can be transmitted from the inside of the capacitor with higher temperature to the outside of the capacitor by means of the heat-conducting columns, so that the heat-resistant capacitor capable of timely radiating the heat in the capacitor is formed, the situation that the capacitor explodes due to overhigh heat is prevented, and the service life of the capacitor is prolonged.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the mounting seat and the tapered pressure relief groove according to the present utility model;

fig. 4 is a schematic structural view of the protective housing and the clamping groove in the present utility model.

FIG. 5 is a schematic diagram of the structure of the elastic plate and the clamping block according to the present utility model;

fig. 6 is an enlarged view of the structure of the area a of fig. 2 in the present utility model.

In the figure: 1. a capacitor case; 2. a capacitor core; 3. a terminal fitting; 4. a protective housing; 5. a mounting base; 6. a top cover; 60. a heat sink; 7. a heat dissipation housing; 8. a heat-conducting adhesive; 9. a heat-dissipating grille; 10. a heat conducting column; 11. an elastic plate; 12. a clamping block; 13. a clamping groove; 14. a conical pressure relief groove; 15. a conical plug; 16. a blind groove; 17. a carrying plate; 18. a spring; 19. a through hole; 20. a protective sleeve; 21. a guide sleeve rod; 22. and a guide sleeve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides a heat-resisting type capacitor, including capacitor case 1, capacitor case 1's inside is equipped with capacitor core 2, capacitor case 1's upper surface symmetry is equipped with two terminal connection 3, capacitor case 1's bottom fixedly connected with mount pad 5, the upper surface welding of mount pad 5 has protective housing 4, protective housing 4's inside wall top is equipped with top cap 6, capacitor case 1's lateral wall installs heat dissipation shell 7, be equipped with heat conduction glue 8 between the adjacent one side of heat dissipation shell 7 and capacitor case 1, heat dissipation grid 9 has been welded to heat dissipation shell's lateral wall, heat conduction post 10 has evenly been welded to heat dissipation grid 9's lateral wall, heat dissipation groove 60 has evenly been seted up to top cap 6's lower surface; the heat conduction column 10 extends out of the top cover 6; the heat is absorbed by the heat conducting glue 8 and is transmitted to the outside of the heat radiating shell 7, the outside of the capacitor is discharged through the heat radiating groove 60, the heat radiating grille 9 can accelerate the heat radiation, and meanwhile, according to the heat conduction characteristic, the heat can be transmitted from the inside of the capacitor with higher temperature to the outside of the capacitor by the heat conducting column 10, so that the heat-resistant capacitor capable of radiating the heat inside the capacitor in time is formed, the explosion of the capacitor caused by the overhigh heat is prevented, and the service life of the capacitor is prolonged.

In one embodiment: the upper surface of the top cover 6 is uniformly provided with through holes 19; the provision of the through holes 19 facilitates the passage of the heat conductive pillars 10.

In one embodiment: the elastic plate 11 is uniformly adhered to the lower surface of the top cover 6, and a clamping block 12 is adhered to the bottom of one side of the elastic plate 11; the elastic plate 11, the clamping block 12 and the top cover 6 can keep synchronous movement.

In one embodiment: clamping grooves 13 are uniformly formed in the inner side wall of the protective shell 4; when the top cover 6 is installed, the clamping block 12 is clamped by the clamping groove 13, so that the top cover 6 can be firmly fixed inside the protective shell 4, and the top cover 6 is prevented from falling off due to collision.

In one embodiment: the upper surface of the protective shell 4 is uniformly provided with a conical pressure relief groove 14, the inner side wall of the conical pressure relief groove 14 is inserted with a conical plug 15, the lower surface of the top cover 6 is uniformly provided with a blind groove 16, the blind groove 16 is communicated with the conical pressure relief groove 14, the inner side wall of the blind groove 16 is welded with a bearing plate 17, and a spring 18 is arranged between the bearing plate 17 and the adjacent side of the conical plug 15; when the pressure in the capacitor is increased, the air pushes the conical plug 15 to move downwards, the spring 18 is compressed, the conical plug 15 does not block the conical pressure relief groove 14 any more, the capacitor is effectively relieved, and after the pressure relief, the spring 18 stretches to push the conical plug 15 to block the conical pressure relief groove 14 again.

In one embodiment: the lower surface of the conical plug 15 is uniformly adhered with a guide sleeve rod 21; facilitating the synchronous movement of the conical plug 15 and the guide sleeve 21.

In one embodiment: the upper surface of the bearing plate 17 is uniformly adhered with a guide sleeve 22, and the guide sleeve 22 is in sliding connection with the guide sleeve rod 21; the guide sleeve rod 21 slides on the inner side wall of the guide sleeve 22 and provides a guiding function for the conical plug 15.

In one embodiment: two protective sleeves 20 are symmetrically adhered to the upper surface of the top cover 6; the protective sleeve 20 is located outside the terminal fitting 3, and can provide protection for the terminal fitting 3, so that the terminal fitting 3 is not easy to bend.

The working principle of the utility model is as follows: the heat is absorbed by the heat conducting glue 8 and is transmitted to the outside of the heat radiating shell 7, the outside of the capacitor is discharged through the heat radiating groove 60, the heat radiating grille 9 can accelerate the heat radiation, and meanwhile, according to the heat conduction characteristic, the heat can be transmitted from the inside of the capacitor with higher temperature to the outside of the capacitor by the heat conducting column 10, so that the heat-resistant capacitor capable of radiating the heat inside the capacitor in time is formed, the explosion of the capacitor caused by the overhigh heat is prevented, and the service life of the capacitor is prolonged.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Heat-resistant capacitor comprising a capacitor housing (1), characterized in that: the inside of capacitor casing (1) is equipped with capacitor core (2), the upper surface symmetry of capacitor casing (1) is equipped with two terminal connectors (3), the bottom fixedly connected with mount pad (5) of capacitor casing (1), the upper surface welding of mount pad (5) has shell (4), the inside wall top of shell (4) is equipped with top cap (6), shell (7) dispel the heat are installed to the lateral wall of capacitor casing (1), shell (7) dispel the heat with be equipped with heat conduction glue (8) between adjacent one side of capacitor casing (1), the lateral wall welding of shell (7) dispel the heat has heat grille (9), the lateral wall uniform welding of heat grille (9) has heat conduction post (10), heat dissipation groove (60) have evenly been seted up to the lower surface of top cap (6).

2. The heat-resistant capacitor as set forth in claim 1, wherein: through holes (19) are uniformly formed in the upper surface of the top cover (6).

3. The heat-resistant capacitor as set forth in claim 1, wherein: the lower surface of top cap (6) evenly bonds has elastic plate (11), the bottom of one side of elastic plate (11) bonds has fixture block (12).

4. The heat-resistant capacitor as set forth in claim 1, wherein: clamping grooves (13) are uniformly formed in the inner side wall of the protective shell (4).

5. The heat-resistant capacitor as set forth in claim 1, wherein: the utility model discloses a protection shell, including protection shell (4), upper surface, bearing plate (17), tapered plug (15) have been pegged graft to the inside wall in tapered pressure release groove (14), blind groove (16) have been evenly seted up to the lower surface of top cap (6), blind groove (16) with tapered pressure release groove (14) intercommunication, the inside wall welding in blind groove (16) has loading board (17), loading board (17) with install spring (18) between the adjacent one side of tapered plug (15).

6. The heat-resistant capacitor as set forth in claim 5, wherein: the lower surface of the conical plug (15) is uniformly adhered with a guide sleeve rod (21).

7. The heat resistant capacitor as set forth in claim 6, wherein: the upper surface of the bearing plate (17) is uniformly adhered with a guide sleeve (22), and the guide sleeve (22) is in sliding connection with the guide sleeve rod (21).

8. The heat-resistant capacitor as set forth in claim 1, wherein: the upper surface of the top cover (6) is symmetrically adhered with two protective sleeves (20).