CN213601766U

CN213601766U - High-safety aluminum electrolytic capacitor

Info

Publication number: CN213601766U
Application number: CN202022697765.9U
Authority: CN
Inventors: 张艳艳
Original assignee: Suqian Xuhi Tech Co ltd
Current assignee: Suqian Xuhi Tech Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-02
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a high-safety aluminum electrolytic capacitor, which comprises a capacitor body and a heat dissipation shell, wherein the capacitor body is positioned inside the heat dissipation shell, the capacitor body comprises an aluminum shell, an anticorrosive coating is attached inside the aluminum shell, an insulating layer is attached inside the anticorrosive coating, a core cladding is arranged inside the insulating layer, the top of the core cladding is provided with a positive electrode and a negative electrode, the anticorrosive coating is arranged inside the capacitor body, the capacitor is prevented from being corroded and damaged due to the influence of external factors, the service life of the capacitor is prolonged, when the capacitor leaks electricity, the leakage current is effectively prevented from spreading outwards by arranging the insulating layer, other people are not hurt, the safety of the aluminum electrolytic capacitor is improved, the capacitor body is inserted into the heat dissipation shell, and the capacitor body is clamped by a damping spring extrusion baffle, the anti-seismic performance of the capacitor is improved, and the safety of the capacitor body is improved.

Description

High-safety aluminum electrolytic capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to an aluminum electrolytic capacitor with high safety.

Background

The aluminum electrolytic capacitor is made by taking an aluminum cylinder as a negative electrode, filling liquid electrolyte in the aluminum cylinder and inserting a bent aluminum strip as a positive electrode, and the application field of the aluminum electrolytic capacitor is expanded in various emerging fields such as energy-saving lamps, frequency converters, new energy sources and the like along with structure transformation and technical progress while the traditional consumer electronics field is steadily increased.

The existing aluminum electrolytic capacitor is influenced by external factors, the inside of the aluminum electrolytic capacitor is easy to corrode, the aluminum electrolytic capacitor is damaged, the existing aluminum electrolytic capacitor is poor in heat dissipation performance, and the shock absorption function is omitted, so that the aluminum electrolytic capacitor with high safety is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an aluminum electrolytic capacitor of high security through damping spring and explosion-proof setting of filling up, has increased aluminum electrolytic capacitor's explosion-proof and shock-absorbing function, through the setting of heat dissipation casing, air intake and air outlet, increases aluminum electrolytic capacitor's thermal diffusivity, has improved aluminum electrolytic capacitor safety in utilization, great improvement aluminum electrolytic capacitor practicality when using.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an aluminum electrolytic capacitor of high security, includes capacitor body and heat dissipation casing, capacitor body is located the inside of heat dissipation casing, capacitor body includes the aluminum hull, the inside anticorrosive coating that has adhered to of aluminum hull, the inside insulating layer that has adhered to of anticorrosive coating, the inside core package that is provided with of insulating layer, the core package top is provided with positive electrode and negative electrode, positive electrode and negative electrode top all run through insulating layer, anticorrosive coating and aluminum hull and extend to the outside of aluminum hull.

As a preferred technical scheme of the utility model, the heat dissipation casing top is provided with the apron, the inside lateral wall of heat dissipation casing and bottom all are provided with damping spring, damping spring one side fixedly connected with baffle.

As a preferred technical scheme of the utility model, damping spring is provided with the multiunit, and damping spring's even annular distribution is at heat dissipation shells inner wall.

As a preferred technical scheme of the utility model, the inside air intake of having seted up of apron, the air intake is provided with four, and is the annular and distributes.

As a preferred technical scheme of the utility model, first through-hole has been seted up to apron inside, the second through-hole has been seted up to heat dissipation casing upper surface, first through-hole and second through-hole inside are provided with the bolt.

As an optimal technical scheme of the utility model, the fixed surface is connected with the rubber pad under the apron, and the rubber pad is shown down and is laminated with the capacitor body upper surface.

As an optimized technical scheme of the utility model, the bottom is provided with heat-conducting plate and explosion-proof pad in the aluminum hull.

As a preferred technical scheme of the utility model, the air outlet is seted up to heat dissipation casing bottom, and the air outlet is relative with the inside air intake position of apron.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through setting up the anticorrosive coating in capacitor body inside, avoid the condenser to lead to the condenser to be corroded damage because of external factor influences, increase the life of condenser, through setting up the insulating layer, can be in the condenser electric leakage, the effectual leakage current that prevents outwards propagates, can not injure other people by mistake, improved aluminum electrolytic capacitor's security.

2. Inside inserting the heat dissipation casing with capacitor body, press from both sides tightly capacitor body through damping spring extrusion baffle, increase the anti-seismic performance of condenser, improve capacitor body's security.

Drawings

Fig. 1 is a main sectional view of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is an enlarged view of the structure of fig. 1 at a according to the present invention;

fig. 5 is an enlarged view of the structure at B in fig. 1 according to the present invention.

Wherein: 1. a capacitor body; 2. a heat dissipating housing; 3. an aluminum shell; 4. an anticorrosive layer; 5. an insulating layer; 6. a core package; 7. a positive electrode; 8. a negative electrode; 9. a cover plate; 10. a damping spring; 11. a baffle plate; 12. an air inlet; 13. a first through hole; 14. a second through hole; 15. a bolt; 16. A rubber pad; 17. a heat conducting plate; 18. an explosion-proof pad; 19. and (7) air outlet.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1 to 5, an aluminum electrolytic capacitor with high safety comprises a capacitor body 1 and a heat dissipation casing 2, wherein the capacitor body 1 is located inside the heat dissipation casing 2, the capacitor body 1 comprises an aluminum casing 3, an anticorrosive coating 4 is attached inside the aluminum casing 3, an insulating layer 5 is attached inside the anticorrosive coating 4, a core pack 6 is arranged inside the insulating layer 5, a positive electrode 7 and a negative electrode 8 are arranged on the top of the core pack 6, and the tops of the positive electrode 7 and the negative electrode 8 extend to the outside of the aluminum casing 3 through the insulating layer 5, the anticorrosive coating 4 and the aluminum casing 3;

the device is when the preparation, through at 1 inside anticorrosive coating 4 that sets up of capacitor body, avoids the condenser to lead to the condenser to be corroded damage because of external factor influence, increases the life of condenser, through setting up insulating layer 5, can be in the condenser electric leakage, the effectual outward propagation of leakage current that prevents can not accidentally injure other people, has improved aluminium electrolytic capacitor's security.

In other embodiments, a cover plate 9 is arranged at the top of the heat dissipation shell 2, damping springs 10 are arranged on the inner side wall and the bottom of the heat dissipation shell 2, and a baffle plate 11 is fixedly connected to one side of each damping spring 10;

during the use, inside inserting heat dissipation casing 2 with capacitor body 1, press from both sides tightly capacitor body 1 through damping spring 10 extrusion baffle 11, increase the anti-seismic performance of condenser, improve capacitor body 1's security.

In other embodiments, the damping springs 10 are provided in multiple groups, and the damping springs 10 are uniformly and annularly distributed on the inner wall of the heat dissipation housing 2;

through setting up multiunit damping spring 10, the effectual impact force that receives of having alleviated condenser body 1 has improved condenser body 1's anti-seismic performance.

In other embodiments, the cover plate 9 is internally provided with four air inlets 12, and the four air inlets 12 are annularly distributed;

the air inlet 12 is arranged to facilitate the external air to enter the heat dissipation casing 2 to dissipate the heat of the capacitor body 1.

In other embodiments, the cover plate 9 is internally provided with a first through hole 13, the upper surface of the heat dissipation shell 2 is provided with a second through hole 14, and the first through hole 13 and the second through hole 14 are internally provided with bolts 15;

pass first through-hole 13 through bolt 15, with second through-hole 14 threaded connection, be convenient for fix apron 9 and heat dissipation casing 2, avoid capacitor body 1 from the inside roll-off of heat dissipation casing 2.

In other embodiments, a rubber pad 16 is fixedly connected to the lower surface of the cover plate 9, and the lower surface of the rubber pad 16 is attached to the upper surface of the capacitor body 1;

through the setting of rubber pad 16, be convenient for extrude the inside capacitor body 1 of heat dissipation casing 2, avoid capacitor body 1 to slide from top to bottom in heat dissipation casing 2 is inside, bump with apron 9, cause the damage.

In other embodiments, the bottom is provided with heat-conducting plate 17 and explosion-proof pad 18 in aluminum hull 3, through the setting of heat-conducting plate 17, can distribute away the heat that capacitor body 1 produced through heat-conducting plate 17, avoids capacitor body 1 high temperature, influences the life of condenser, through the setting of explosion-proof pad 18, and the effectual impact power of having alleviated has improved condenser safety in utilization.

In other embodiments, the bottom of the heat dissipation housing 2 is provided with an air outlet 19, and the air outlet 19 is opposite to the air inlet 12 inside the cover plate 9;

through the arrangement of the air outlet 19, the air outlet is communicated with the air inlet 12, and the air inside the heat dissipation shell 2 forms convection, so that the heat dissipation capacity of the device is improved.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an aluminium electrolytic capacitor of high security, includes capacitor body (1) and heat dissipation casing (2), its characterized in that: capacitor body (1) is located the inside of heat dissipation casing (2), capacitor body (1) includes aluminum hull (3), the inside anticorrosive coating (4) that has adhered to of aluminum hull (3), anticorrosive coating (4) inside has adhered to insulating layer (5), insulating layer (5) inside is provided with core package (6), core package (6) top is provided with positive electrode (7) and negative electrode (8), insulating layer (5), anticorrosive coating (4) and aluminum hull (3) outside that extends to aluminum hull (3) is all run through at the top of positive electrode (7) and negative electrode (8).

2. The aluminum electrolytic capacitor with high safety as recited in claim 1, wherein: the heat dissipation shell (2) top is provided with apron (9), the inside lateral wall of heat dissipation shell (2) and bottom all are provided with damping spring (10), damping spring (10) one side fixedly connected with baffle (11).

3. The aluminum electrolytic capacitor with high safety as recited in claim 2, wherein: the damping springs (10) are arranged in multiple groups, and the damping springs (10) are uniformly distributed on the inner wall of the heat dissipation shell (2) in an annular mode.

4. The aluminum electrolytic capacitor with high safety as recited in claim 2, wherein: the air inlet (12) is formed in the cover plate (9), and four air inlets (12) are arranged and distributed annularly.

5. The aluminum electrolytic capacitor with high safety as recited in claim 2, wherein: a first through hole (13) is formed in the cover plate (9), a second through hole (14) is formed in the upper surface of the heat dissipation shell (2), and bolts (15) are arranged in the first through hole (13) and the second through hole (14).

6. The aluminum electrolytic capacitor with high safety as recited in claim 2, wherein: the lower surface of the cover plate (9) is fixedly connected with a rubber pad (16), and the lower surface of the rubber pad (16) is attached to the upper surface of the capacitor body (1).

7. The aluminum electrolytic capacitor with high safety as recited in claim 1, wherein: the bottom in the aluminum shell (3) is provided with a heat conducting plate (17) and an explosion-proof pad (18).

8. The aluminum electrolytic capacitor with high safety as recited in claim 1, wherein: an air outlet (19) is formed in the bottom of the heat dissipation shell (2), and the air outlet (19) is opposite to the air inlet (12) in the cover plate (9).