CN211828504U

CN211828504U - High-power aluminum electrolytic capacitor

Info

Publication number: CN211828504U
Application number: CN202020735088.2U
Authority: CN
Inventors: 李文胜
Original assignee: Shenzhen Kaiqijia Technology Co ltd
Current assignee: Shenzhen Kaiqijia Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-10-30
Anticipated expiration: 2030-05-07

Abstract

The utility model relates to the technical field of capacitors, and a high-power aluminum electrolytic capacitor is disclosed, including explosion-proof shell, explosion-proof shell's inboard fixed mounting has the aluminum hull, the inboard fixed mounting of aluminum hull has plain layer, explosion-proof shell's inboard central point puts fixed mounting has electric capacity liquid storage bottle, the top fixed mounting of electric capacity liquid storage bottle has the lead wire fixed plate, lead wire fixed plate top left side fixed mounting has the positive spliced pole, the top right side fixed mounting of lead wire fixed plate has the negative pole spliced pole. This kind of high-power aluminum electrolytic capacitor, explosion-proof outer loop and explosion-proof shell mutually support and protect the condenser, simultaneously, when the inside high temperature of condenser, ventilative net and gas pocket can discharge the inside produced heat of condenser, when consequently can effectively avoid aluminum electrolytic capacitor to explode, can be to diffusion electric capacity liquid on every side to the condition emergence that causes the damage to the electronic component surface on every side.

Description

High-power aluminum electrolytic capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a high-power aluminum electrolytic capacitor.

Background

The aluminum electrolytic capacitor is an indispensable electronic element in the electronic and electric power fields, is widely applied to circuits such as power supply filtering, signal coupling, resonance and the like, makes a contribution to the rapid development of modern electronic technology that the aluminum electrolytic capacitor cannot be worn out, and in recent years, along with the rapid development of the electronic industry, provides characteristic requirements such as miniaturization, large capacity, low impedance in a high-frequency region and the like for the used anti-seismic high-voltage aluminum electrolytic capacitor.

The existing aluminum electrolytic capacitor is characterized by large capacity, but the existing aluminum electrolytic capacitor is poor in stability, when the temperature of the aluminum electrolytic capacitor is higher or the voltage of the aluminum electrolytic capacitor is unstable, pressure can be formed in the aluminum electrolytic capacitor, the aluminum electrolytic capacitor can be exploded, and when the aluminum electrolytic capacitor explodes, the capacitor liquid can be diffused to the periphery, so that the surface of the electronic element on the periphery is damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

To the deficiency of the prior art, the utility model provides a high-power aluminum electrolytic capacitor possesses can effectively protect the condenser, prevent advantages such as the outward propagation of electric current, has solved the problem that the meeting that the background art provided can cause damage, creepage current can outwards propagate through the aluminum hull to the electronic component surface on every side.

(II) technical scheme

For the above-mentioned purpose that can effectively protect, prevent the electric current outwards propagation to the condenser of realization, the utility model provides a following technical scheme: a high-power aluminum electrolytic capacitor comprises an explosion-proof shell, wherein an aluminum shell is fixedly arranged on the inner side of the explosion-proof shell, a plain layer is fixedly arranged on the inner side of the aluminum shell, a capacitor liquid storage bottle is fixedly arranged on the inner side center position of the explosion-proof shell, a lead fixing plate is fixedly arranged at the top end of the upper portion of the capacitor liquid storage bottle, an anode connecting column is fixedly arranged on the left side of the upper portion of the lead fixing plate, a cathode connecting column is fixedly arranged on the right side of the upper portion of the lead fixing plate, a sealing cover is arranged above the lead fixing plate, the anode connecting column and the cathode connecting column penetrate through the sealing cover, a first fixing bolt is fixedly arranged on the outer side of the anode connecting column above the sealing cover, a second fixing bolt is fixedly arranged on the outer side of the cathode connecting column above the sealing cover, an explosion-proof outer ring is, an anti-explosion convex ring is fixedly mounted on the outer side of the upper portion of the inner aluminum shell of the connector, a breathable net is fixedly mounted at the bottom end of the inner portion of the anti-explosion shell, and an air hole is formed in the shell body below the anti-explosion shell.

Preferably, an insulating layer is fixedly installed on the outer side of the capacitor liquid storage bottle, and a corrosion-resistant layer is fixedly installed on the outer side of the insulating layer.

Preferably, a fixer is fixedly mounted above the lead fixing plate.

Preferably, the inside of the seed layer is fixedly provided with a positive electrode foil and a negative electrode foil.

Preferably, an aluminum foil is fixedly mounted below the sealing cover.

Preferably, the capacitance liquid storage bottle and the corrosion-resistant layer are respectively and fixedly arranged inside the explosion-proof shell.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of high-power aluminum electrolytic capacitor, explosion-proof outer loop and explosion-proof shell mutually support and protect the condenser, simultaneously, when the inside high temperature of condenser, ventilative net and gas pocket can discharge the inside produced heat of condenser, when consequently can effectively avoid aluminum electrolytic capacitor to explode, can be to diffusion electric capacity liquid on every side to the condition emergence that causes the damage to the electronic component surface on every side.

2. This kind of high-power aluminum electrolytic capacitor installs the insulating layer in the outside of electric capacity liquid storage bottle, can prevent effectively that electric leakage current from outwards propagating through the aluminum hull, installs corrosion-resistant layer in the outside of insulating layer simultaneously, can effectively avoid the inside electric capacity liquid of electric capacity liquid storage bottle to corrode outward to the condition that causes the damage to circuit board and electronic component takes place.

Drawings

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

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention.

In the figure: 1. an explosion-proof housing; 2. a connector; 3. a first fixing bolt; 4. a positive connecting column; 5. a negative connecting column; 6. a second fixing bolt; 7. an explosion-proof outer ring; 8. a sealing cover; 9. a lead fixing plate; 10. an explosion-proof convex ring; 11. a breathable net; 12. an aluminum shell; 13. a seed layer; 14. a capacitor fluid storage bottle; 15. a corrosion-resistant layer; 16. an insulating layer; 17. and (4) air holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, a high-power aluminum electrolytic capacitor includes an explosion-proof housing 1, an aluminum housing 12 is fixedly mounted on an inner side of the explosion-proof housing 1, the aluminum housing 12 can protect the inside of the capacitor from being damaged, an element layer 13 is fixedly mounted on the inner side of the aluminum housing 12, a capacitor liquid storage bottle 14 is fixedly mounted at a central position of the inner side of the explosion-proof housing 1, the capacitor liquid storage bottle 14 is used for storing capacitor liquid, the capacitor liquid is easily leaked inside the capacitor, so that the inside of the capacitor is damaged, when the capacitor liquid leaks inside the capacitor, the capacitor is easily exploded, a lead fixing plate 9 is fixedly mounted at a top end of an upper portion of the capacitor liquid storage bottle 14, two fixing devices are fixedly mounted above the lead fixing plate 9, the two fixing devices are respectively and symmetrically mounted on left and right sides above the lead fixing plate 9, an anode connecting post 4 is fixedly arranged on the left side above a lead fixing plate 9, a cathode connecting post 5 is fixedly arranged on the right side above the lead fixing plate 9, a sealing cover 8 is arranged above the lead fixing plate 9, the anode connecting post 4 and the cathode connecting post 5 penetrate through the sealing cover 8, a first fixing bolt 3 is fixedly arranged on the outer side of the anode connecting post 4 above the sealing cover 8, a second fixing bolt 6 is fixedly arranged on the outer side of the cathode connecting post 5 above the sealing cover 8, the first fixing bolt 3 and the second fixing bolt 6 are used for fixing the anode connecting post 4 and the cathode connecting post 5, the joint of the anode connecting post 4 and the cathode connecting post 5 with the sealing cover 8 is prevented from being damaged, an explosion-proof outer ring 7 is fixedly arranged on the outer side of the sealing cover 8, the explosion-proof outer ring 7 is used for protecting the upper part of a capacitor, and the, when avoiding aluminum electrolytic capacitor explosion, can be to diffusion electric capacity liquid on every side, thereby the condition that causes the damage to around the electronic component surface takes place, explosion-proof outer loop 7 and explosion-proof shell 1 pass through connector 2 fixed connection, the top outside fixed mounting of the inside aluminum hull 12 of connector 2 has explosion-proof bulge loop 10, explosion-proof bulge loop 10 is the inside that is used for fastening connector 2, avoid inside electric capacity liquid to arouse the explosion because pressure is unstable, the inside bottom fixed mounting of explosion-proof shell 1 has ventilative net 11, it has gas pocket 17 to open on the below casing of explosion-proof shell 1, when the inside high temperature of condenser, ventilative net 11 and gas pocket 17 can discharge the inside produced heat of condenser.

Example two

Based on the first embodiment, as shown in fig. 3, in a high-power aluminum electrolytic capacitor, an insulating layer 16 is fixedly installed on the outer side of a capacitor liquid storage bottle 14, an anti-corrosion layer 15 is fixedly installed on the outer side of the insulating layer 16, the insulating layer 16 is installed on the outer side of the capacitor liquid storage bottle 14, so that leakage current can be effectively prevented from spreading outwards through an aluminum shell 12, and meanwhile, the anti-corrosion layer 15 is installed on the outer side of the insulating layer 16, so that the situation that the capacitor liquid inside the capacitor liquid storage bottle 14 corrodes outwards and damages are caused to a circuit board and an electronic component can be effectively avoided.

The working principle is as follows: explosion-proof outer loop 7 and explosion-proof housing 1 mutually support and protect the condenser, simultaneously, when the inside high temperature of condenser, ventilative net 11 and gas vent 17 can discharge the inside produced heat of condenser, when can effectively avoid aluminum electrolytic capacitor to explode, can be to diffusion electric capacity liquid on every side, thereby the condition to causing the damage to take place to around electronic component surface, in addition, install insulating layer 16 in the outside of electric capacity liquid storage bottle 14, can prevent effectively that leakage current from passing through aluminum hull 12 outwards propagating, install corrosion-resistant layer 15 in the outside of insulating layer 16 simultaneously, can effectively avoid the inside electric capacity liquid of electric capacity liquid storage bottle 14 to the external corrosion, thereby cause the condition of damage to take place circuit board and electronic component.

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

Claims

1. A high-power aluminum electrolytic capacitor comprises an explosion-proof shell (1);

the method is characterized in that:

the inner side of the explosion-proof shell (1) is fixedly provided with an aluminum shell (12), the inner side of the aluminum shell (12) is fixedly provided with a element layer (13), the inner side center of the explosion-proof shell (1) is fixedly provided with a capacitor liquid storage bottle (14), the top end of the capacitor liquid storage bottle (14) is fixedly provided with a lead fixing plate (9), the left side of the top of the lead fixing plate (9) is fixedly provided with an anode connecting column (4), the right side of the top of the lead fixing plate (9) is fixedly provided with a cathode connecting column (5), the top of the lead fixing plate (9) is provided with a sealing cover (8), the anode connecting column (4) and the cathode connecting column (5) penetrate through the sealing cover (8), the outer side of the top anode connecting column (4) of the sealing cover (8) is fixedly provided with a first fixing bolt (3), the outer side of the top cathode connecting column (5) of the sealing cover (8, the explosion-proof shell is characterized in that an explosion-proof outer ring (7) is fixedly mounted on the outer side of the sealing cover (8), the explosion-proof outer ring (7) is fixedly connected with the explosion-proof shell (1) through a connector (2), an explosion-proof convex ring (10) is fixedly mounted on the outer side of the upper portion of an inner aluminum shell (12) of the connector (2), a breathable net (11) is fixedly mounted at the bottom end of the inner portion of the explosion-proof shell (1), and an air hole (17) is formed in a shell body below the explosion-proof shell (1).

2. The high power aluminum electrolytic capacitor according to claim 1, wherein: an insulating layer (16) is fixedly mounted on the outer side of the capacitor liquid storage bottle (14), and a corrosion-resistant layer (15) is fixedly mounted on the outer side of the insulating layer (16).

3. The high power aluminum electrolytic capacitor according to claim 1, wherein: and a fixer is fixedly arranged above the lead fixing plate (9).

4. The high power aluminum electrolytic capacitor according to claim 1, wherein: and the inside of the element layer (13) is fixedly provided with a positive electrode foil and a negative electrode foil.

5. The high power aluminum electrolytic capacitor according to claim 1, wherein: an aluminum foil is fixedly arranged below the sealing cover (8).

6. The high power aluminum electrolytic capacitor according to claim 2, wherein: the capacitor liquid storage bottle (14) and the corrosion-resistant layer (15) are respectively and fixedly arranged in the explosion-proof shell (1).