CN-224232516-U - Anti-extrusion capacitor with heat dissipation function

CN224232516UCN 224232516 UCN224232516 UCN 224232516UCN-224232516-U

Abstract

The utility model discloses an anti-extrusion capacitor with a heat dissipation function, which relates to the technical field of capacitors and comprises a shell, wherein a heat dissipation module is arranged at the inner top surface of the shell, a protective shell is arranged in the shell, an anti-compression plate is arranged at the bottom end of the protective shell, a circle of limiting block is arranged on the periphery of the top surface of the anti-compression plate, a butt ring corresponding to the butt ring is arranged at the bottom end of the protective shell, the limiting block is sleeved in the protective shell, a core package is arranged in the protective shell, and a positive electrode and a negative electrode are respectively arranged at two sides of the bottom surface of the core package.

Inventors

JIA CHAOHUI
ZHANG YIXI
LIU LILIANG
KANG XIANWEN

Assignees

铜陵其利电子股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250528

Claims (6)

1. The extrusion-resistant capacitor ‌ with the heat dissipation function comprises a shell (1) and is characterized in that a heat dissipation module (3) is arranged at the inner top surface of the shell (1), a protective shell is arranged in the shell (1), an anti-pressing plate (7) is arranged at the bottom end of the protective shell, a circle of limiting block (12) is arranged on the periphery of the top surface of the anti-pressing plate (7), a butt ring corresponding to the butt limiting block (12) is arranged at the bottom end of the protective shell, the limiting block (12) is sleeved in the protective shell, a core bag (13) is arranged in the protective shell, and a positive electrode (2) and a negative electrode (5) are respectively arranged on two sides of the bottom surface of the core bag (13).
2. The extrusion preventing capacitor ‌ with the heat dissipation function as set forth in claim 1, wherein the positive electrode (2) and the negative electrode (5) both penetrate through the bottom surface of the pressure preventing plate (7), an insulating sleeve (4) is sleeved on the positive electrode (2) and the negative electrode (5), the top end of the insulating sleeve (4) abuts against the bottom surface of the core pack (13), and the bottom end of the insulating sleeve (4) is located at the bottom surface of the pressure preventing plate (7).
3. The extrusion-proof capacitor ‌ with heat dissipation function as set forth in claim 2, wherein a buffer jacket (6) is filled between the outer case (1) and the protective case.
4. The extrusion-resistant capacitor ‌ with the heat dissipation function as set forth in claim 3, wherein a plurality of washers (9) are uniformly distributed on the top surface of the extrusion-resistant plate (7), springs (8) are fixedly connected to the washers (9), and the top ends of the springs (8) are fixedly connected to the bottom surface of the core bag (13).
5. The extrusion preventing capacitor ‌ with a heat dissipation function as set forth in claim 4, wherein the heat dissipation module (3) comprises heat dissipation fins (10), a heat dissipation copper sheet (11) is fixedly connected to the bottom surface of the heat dissipation fins (10), the periphery of the heat dissipation copper sheet (11) is fixedly connected to the protective shell, and the bottom surface of the heat dissipation copper sheet (11) abuts against the top surface of the core pack (13).
6. The extrusion preventing capacitor ‌ with heat dissipating function as set forth in claim 5, wherein the top surface of the housing (1) is provided with a through hole corresponding to the shape of the heat dissipating fin (10).

Description

Anti-extrusion capacitor with heat dissipation function Technical Field The utility model relates to the technical field of capacitors, in particular to an anti-extrusion capacitor with a heat dissipation function. Background In the running process of electronic equipment, the capacitor is used as a basic electronic element and is widely applied to functions of filtering, energy storage, coupling and the like in a circuit; the conventional capacitor depends on the natural heat dissipation of a shell, is difficult to meet the heat dissipation requirement in high-power operation, so that heat generated in operation is continuously accumulated, the internal temperature is continuously increased, the electrical performance and the service life are seriously affected, and potential safety hazards such as bulge and explosion are possibly caused due to incapability of timely dissipation of the heat under the scenes of a high-frequency switch power supply and the like, on the other hand, in the process of assembling, transporting and using electronic equipment, the conventional capacitor is extremely easy to deform the shell, damage a core package and the like under the conditions of external extrusion and collision due to the lack of effective protective measures of the shell and the internal structure, particularly in compact equipment, the limited space is increased by the extrusion risk, the performance is reduced, the reliability is reduced, and the conventional capacitor cannot adapt to the complex application environment of modern electronic equipment, so that improvement is needed. Disclosure of utility model The utility model aims to solve the defects in the prior art, and provides an anti-extrusion capacitor with a heat dissipation function. In order to achieve the purpose, the anti-extrusion capacitor with the heat dissipation function comprises a shell, wherein a heat dissipation module is arranged at the inner top surface of the shell, a protective shell is arranged in the shell, an anti-extrusion plate is arranged at the bottom end of the protective shell, a circle of limiting block is arranged on the periphery of the top surface of the anti-extrusion plate, a butt ring corresponding to the butt limiting block is arranged at the bottom end of the protective shell, the limiting block is sleeved in the protective shell, a core package is arranged in the protective shell, and a positive electrode and a negative electrode are respectively arranged at two sides of the bottom surface of the core package. Preferably, the positive electrode and the negative electrode both penetrate through the bottom surface of the pressure-proof plate, an insulating sleeve is sleeved on the positive electrode and the negative electrode, the top end of the insulating sleeve is abutted to the bottom surface of the core bag, and the bottom end of the insulating sleeve is positioned at the bottom surface of the pressure-proof plate. Preferably, a buffer sleeve is filled between the shell and the protective shell. Preferably, the top surface of the pressure-proof plate is uniformly provided with a plurality of washers, springs are fixedly connected on the washers, and the top ends of the springs are fixedly connected with the bottom surface of the core bag. Preferably, the heat dissipation module comprises heat dissipation fins, the bottom surfaces of the heat dissipation fins are fixedly connected with heat dissipation copper sheets, the periphery of each heat dissipation copper sheet is fixedly connected with the protective shell, and the bottom surfaces of the heat dissipation copper sheets are abutted to the top surface of the core bag. Preferably, through holes corresponding to the shapes of the radiating fins are formed in the top surface of the shell. The heat dissipation device has the advantages that the heat dissipation module is matched with the heat dissipation copper sheet, the heat dissipation copper sheet is directly abutted against the top surface of the core package, heat generated by the core package is conveniently and rapidly conducted to the heat dissipation fins, the heat dissipation area is increased by the aid of the heat dissipation fins, heat dissipation efficiency is improved, and therefore a high-efficiency heat dissipation function can be achieved. Drawings The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings: FIG. 1 is a schematic view of a first perspective of an overall structure according to the present utility model; FIG. 2 is a schematic view of a second perspective of the overall structure according to the present utility model; FIG. 3 is a schematic view of a first perspective of an overall cros