CN212810065U

CN212810065U - Capacitor shell with excellent heat dissipation

Info

Publication number: CN212810065U
Application number: CN202021719826.0U
Authority: CN
Inventors: 佘发胜; 倪新磊
Original assignee: Wuhu Jieke Mould Manufacturing Co ltd
Current assignee: Wuhu Jieke Mould Manufacturing Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-03-26
Anticipated expiration: 2030-08-17

Abstract

The utility model provides a capacitor shell with excellent heat dissipation, which comprises an aluminum shell, wherein a cavity for placing a capacitor core and a rubber sealing plug is arranged inside the aluminum shell, the outside of the capacitor core is provided with heat dissipation silica gel which is attached to the inner side wall of the aluminum shell, a plurality of inner grooves and a plurality of outer grooves are respectively and uniformly distributed on the inner side wall and the outer side wall of the aluminum shell, the inner grooves and the outer grooves are distributed in a staggered manner, and radiating particles are filled in each inner groove, a plurality of layers of radiating annular fins are fixedly arranged in each outer groove at equal distances from top to bottom, and a heat dissipation groove is formed between every two adjacent outer grooves, the heat dissipation groove is aligned to the arc-shaped wall extending outwards from the inner groove and is in contact with the outside air, and the inner heat dissipation layer and the outer heat dissipation layer are respectively plated on the arc-shaped walls on the inner side and the outer side of the inner groove.

Description

Capacitor shell with excellent heat dissipation

Technical Field

The utility model relates to a condenser technical field indicates a good capacitor case dispels heat especially.

Background

A capacitor is one of the electronic components used in large numbers in electronic devices and is formed by sandwiching an insulating dielectric between two metal electrodes. The method is widely applied to the aspects of DC blocking, AC coupling, bypass, filtering, tuning loop, energy conversion, control and the like in the circuit.

The condenser can generate heat at the course of the work, and current capacitor case radiating effect is poor, uses for a long time and can cause the damage to condenser inner structure, seriously reduces the life of condenser.

Therefore, the utility model provides a good condenser casing dispels heat to solve the above-mentioned problem that exists.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's shortcoming, provide a good condenser casing dispels the heat.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a good capacitor case dispels heat, includes the aluminium casing, the inside of aluminium casing is equipped with the cavity of placing capacitor core and rubber sealing plug, the outside of capacitor core is provided with heat dissipation silica gel, heat dissipation silica gel and the laminating of the inside wall of aluminium casing, a plurality of inner groovy of equipartition and a plurality of outer recess are respectively on the inside and outside both sides wall of aluminium casing, and is a plurality of inner groovy and a plurality of outer recess crisscross distribution of outer recess, and all pack in every inner groovy has the heat dissipation granule, and from the top down equidistance has set firmly multilayer heat dissipation annular wing in every outer recess, and has seted up a radiating groove between two adjacent outer recesses, the arc wall setting that the inner groovy outwards extended is aimed at to the radiating groove, makes it contact with the outside air, interior heat dissipation layer and outer heat dissipation layer have been plated on the inside and.

As an optimal technical solution of the present invention, the top sealing cover of the aluminum housing is provided with a through hole for the negative lead and the positive lead to pass through.

As an optimal technical scheme of the utility model, the lower extreme of negative pole lead wire is provided with the negative pole pin, the rigid coupling between negative pole pin and the negative pole lead wire.

As an optimal technical scheme of the utility model, the lower extreme of anodal lead wire is provided with anodal pin, rigid coupling between anodal pin and the anodal lead wire.

As an optimized technical scheme of the utility model, the radiating particles are made for PE material or PP material.

As an optimal technical scheme of the utility model, the multilayer the heat dissipation annular wing extends to the one end in the external world and is located same vertical face to flush with the lateral wall of aluminium casing.

As an optimal technical solution of the present invention, the inner heat dissipation layer and the outer heat dissipation layer are graphene plating layers.

The utility model discloses the beneficial effect who reaches is: the utility model provides a pair of good capacitor case dispels heat, through the inner groovy and the outer recess that set up to including heat dissipation granule and the annular wing of multilayer heat dissipation that sets up respectively in recess and the outer recess, in addition, including plate interior heat dissipation layer and outer heat dissipation layer on the inside and outside both sides arc wall of recess, can carry out multiple heat dissipation to the inner structure of condenser, the radiating effect is good, guarantees the long-term use of condenser.

The present invention will be described in more detail with reference to the accompanying drawings and examples.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged schematic view of a in FIG. 1 according to the present invention;

reference numbers in the figures: 1. an aluminum housing; 2. a capacitor core; 3. a rubber sealing plug; 4. radiating silica gel; 5. an inner groove; 6. an outer groove; 7. heat dissipating particles; 8. a heat dissipating ring fin; 9. a heat sink; 10. an inner heat dissipation layer; 11. an outer heat-dissipating layer; 12. a negative electrode lead; 13. and a positive electrode lead.

Detailed Description

The terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like in the specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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

Example (b): as shown in fig. 1-2, the utility model provides a capacitor shell with excellent heat dissipation, which comprises an aluminum shell 1, wherein a cavity for placing a capacitor core 2 and a rubber sealing plug 3 is arranged inside the aluminum shell 1, heat dissipation silica gel 4 is arranged outside the capacitor core 2, the heat dissipation silica gel 4 is attached to the inner side wall of the aluminum shell 1, a plurality of inner grooves 5 and a plurality of outer grooves 6 are respectively and uniformly distributed on the inner side wall and the outer side wall of the aluminum shell 1, the inner grooves 5 and the outer grooves 6 are distributed in a staggered manner, heat dissipation particles 7 are filled in each inner groove 5, a plurality of layers of heat dissipation annular fins 8 are fixedly arranged in each outer groove 6 at equal intervals from top to bottom, a heat dissipation groove 9 is arranged between two adjacent outer grooves 6, the heat dissipation groove 9 is aligned with the arc-shaped wall of the inner groove 5 extending outwards to make it contact with the outside air, the inner and outer arc-shaped walls of the inner groove 5 are respectively plated with an inner heat dissipation layer 10 and an outer heat dissipation layer 11.

Further, a through hole for the cathode lead 12 and the anode lead 13 to pass through is formed on the top sealing cover of the aluminum casing 1.

Further, a cathode pin is arranged at the lower end of the cathode lead 12, and the cathode pin and the cathode lead 12 are fixedly connected.

Further, the lower end of the anode lead 13 is provided with an anode pin, and the anode pin and the anode lead 13 are fixedly connected.

Further, the heat dissipation particles 7 are made of PE material or PP material.

Furthermore, the ends of the multiple layers of radiating annular fins 8 extending to the outside are located on the same vertical plane and flush with the outer side wall of the aluminum shell 1, which is beneficial to improving the attractiveness of the aluminum shell 1.

Furthermore, the inner heat dissipation layer 10 and the outer heat dissipation layer 11 are both graphene coatings, and graphene has very good heat conduction performance, can conduct heat inside the aluminum shell 1 to the outside, achieves quick heat dissipation of the capacitor, and is good in heat dissipation effect.

The working principle is as follows:

the above embodiments are merely to describe the preferred embodiments of the present invention, and are not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.

Claims

1. The capacitor shell with excellent heat dissipation is characterized by comprising an aluminum shell (1), wherein a cavity for placing a capacitor core (2) and a rubber sealing plug (3) is arranged in the aluminum shell (1), heat dissipation silica gel (4) is arranged outside the capacitor core (2), the heat dissipation silica gel (4) is attached to the inner side wall of the aluminum shell (1), a plurality of inner grooves (5) and a plurality of outer grooves (6) are uniformly distributed on the inner side wall and the outer side wall of the aluminum shell (1), the inner grooves (5) and the outer grooves (6) are distributed in a staggered manner, heat dissipation particles (7) are filled in each inner groove (5), a plurality of layers of heat dissipation annular fins (8) are fixedly arranged in each outer groove (6) at equal intervals from top to bottom, a heat dissipation groove (9) is arranged between two adjacent outer grooves (6), and the heat dissipation groove (9) is aligned with the arc-shaped wall of the inner groove (5) extending outwards, the inner heat dissipation layer (10) and the outer heat dissipation layer (11) are respectively plated on the inner side arc wall and the outer side arc wall of the inner groove (5).

2. The capacitor case with excellent heat dissipation as claimed in claim 1, wherein the top sealing cover of the aluminum case (1) is formed with a through hole for passing the negative electrode lead (12) and the positive electrode lead (13).

3. The capacitor case with excellent heat dissipation as claimed in claim 2, wherein the negative lead (12) is provided with a negative pin at the lower end, and the negative pin and the negative lead (12) are fixedly connected.

4. The capacitor case with excellent heat dissipation as claimed in claim 2, wherein the lower end of the positive lead (13) is provided with a positive pin, and the positive pin is fixedly connected with the positive lead (13).

5. The capacitor case excellent in heat dissipation according to claim 1, wherein the heat dissipation particles (7) are made of PE material or PP material.

6. A good heat dissipation capacitor case as recited in claim 1, wherein the ends of the multiple layers of heat dissipation ring fins (8) extending to the outside are located on the same vertical plane and flush with the outer side wall of the aluminum case (1).

7. The capacitor case excellent in heat dissipation according to claim 1, wherein the inner heat dissipation layer (10) and the outer heat dissipation layer (11) are each a graphene-plated layer.