CN212380305U

CN212380305U - Aluminum electrolytic capacitor with protection function

Info

Publication number: CN212380305U
Application number: CN202020744382.XU
Authority: CN
Inventors: 李文胜
Original assignee: Shenzhen Kaiqijia Technology Co ltd
Current assignee: Shenzhen Kaiqijia Technology Co ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-01-19
Anticipated expiration: 2030-05-08

Abstract

The utility model discloses an aluminum electrolytic capacitor with safeguard function, including aluminium drum shell, aluminium drum shell outside fixedly connected with plastic sleeve pipe, the inboard fixedly connected with of aluminium drum shell seals the gluey lid, and seals gluey lid and be located the perpendicular center line top of aluminium drum shell, aluminium drum shell lower extreme fixedly connected with bottom plate. According to the aluminum electrolytic capacitor with the protection function, the star-shaped explosion-proof valve is arranged at the bottom of the explosion-proof partition plate, so that the pressure can be timely released when the internal pressure is overlarge, and the influence on equipment caused by the irregular leakage of contents due to the overlarge internal pressure is prevented; the aluminum electrolytic capacitor with the protection function adopts the double-layer protection structure of the explosion-proof partition plate and the bottom plate, the buffer interlayer is formed between the explosion-proof partition plate and the bottom plate, when the star-shaped explosion-proof valve is opened, the buffer interlayer can store substances flowing out of the explosion-proof valve, further protection is achieved, and the contents are prevented from damaging other components.

Description

Aluminum electrolytic capacitor with protection function

Technical Field

The utility model relates to the technical field of capacitors, in particular to an aluminum electrolytic capacitor with a protection function.

Background

A capacitor is an energy storage element used in circuits for tuning, filtering, coupling, bypassing, energy conversion and delay. Capacitors are commonly referred to as capacitors. It is a general electrolytic capacitor made of aluminium material with good electric property, wide application range and high reliability. The products have 30 types and thousands of specifications, and are widely used for household appliances such as air conditioners, radio recorders, washing machines, communication machines and the like and matching of electronic complete machines, instruments and meters.

However, aluminum electrolytic capacitors have metal foils placed on both sides of a paper sheet impregnated with an electrolyte. This electrolyte evaporates during the life of the capacitor, changing its electrical properties, and if the capacitor fails, it reacts violently: pressure builds in the capacitor forcing it to release flammable, corrosive materials.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aluminum electrolytic capacitor with safeguard function to propose aluminum electrolytic capacitor on the existing market among the above-mentioned background art and place foil on the scraps of paper both sides of soaking electrolyte, this kind of electrolyte can evaporate during the capacitor life-span, thereby changes its electrical property. If the capacitor fails, it reacts violently: the pressure build-up in the capacitor forces it to release flammable, corrosive substances.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an aluminum electrolytic capacitor with safeguard function, includes aluminium drum shell, aluminium drum shell outside fixedly connected with plastic sleeve pipe, the inboard fixedly connected with of aluminium drum shell seals the rubber cover, and seals the rubber cover and be located the perpendicular center line top of aluminium drum shell, aluminium drum shell lower extreme fixedly connected with bottom plate.

Preferably, the inner side of the aluminum cylinder shell is fixedly connected with an explosion-proof partition plate, the lower end of the explosion-proof partition plate is provided with a star-shaped explosion-proof valve, the explosion-proof partition plate is positioned above the bottom plate, and a buffer interlayer is reserved between the explosion-proof partition plate and the bottom plate.

Preferably, the inner side of the sealing rubber cover is fixedly connected with an anode guide pin, the inner side of the sealing rubber cover is fixedly connected with a cathode guide pin, and the anode guide pin and the cathode guide pin are symmetrically distributed about the vertical center line of the sealing rubber cover.

Preferably, the inner side of the aluminum cylinder shell is fixedly connected with a capacitor inner core.

Preferably, the lower end of the anode guide pin is fixedly connected with an inner capacitor core, and the lower end of the cathode guide pin is fixedly connected with an inner capacitor core.

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

1. according to the aluminum electrolytic capacitor with the protection function, the star-shaped explosion-proof valve is arranged at the bottom of the explosion-proof partition plate, so that the pressure can be timely released when the internal pressure is overlarge, and the influence on equipment caused by the irregular leakage of contents due to the overlarge internal pressure is prevented;

2. the aluminum electrolytic capacitor with the protection function adopts the double-layer protection structure of the explosion-proof partition plate and the bottom plate, the buffer interlayer is formed between the explosion-proof partition plate and the bottom plate, when the star-shaped explosion-proof valve is opened, the buffer interlayer can store substances flowing out of the explosion-proof valve, further protection is achieved, and the contents are prevented from damaging other components.

Drawings

FIG. 1 is a schematic view of the three-dimensional cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the anti-explosion valve in the shape of a Chinese character 'xing';

fig. 3 is a schematic view of the three-dimensional structure of the present invention.

In the figure: 1. an aluminum cylinder housing; 2. plastic sleeve; 3. sealing the rubber cover; 4. a base plate; 5. an explosion-proof partition plate; 6. a star-shaped explosion-proof valve; 7. a buffer interlayer; 8. an inner core of the capacitor; 9. an anode guide pin; 10. and (4) cathode guide needles.

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.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an aluminum electrolytic capacitor with safeguard function, includes aluminium drum shell 1, and 1 outside fixedly connected with plastic sleeve pipe 2 of aluminium drum shell, 1 inboard fixedly connected with of aluminium drum shell seals the jiao gai 3, and seals the jiao gai 3 and is located the perpendicular center line top of aluminium drum shell 1, and 1 lower extreme fixedly connected with bottom plate 4 of aluminium drum shell.

Further, an explosion-proof partition plate 5 is fixedly connected to the inner side of the aluminum cylinder shell 1, a star-shaped explosion-proof valve 6 is arranged at the lower end of the explosion-proof partition plate 5, the explosion-proof partition plate 5 is located above the bottom plate 4, and a buffer interlayer 7 is reserved between the explosion-proof partition plate 5 and the bottom plate 4 to prevent the contents from irregularly leaking.

Further, an anode guide pin 9 is fixedly connected to the inner side of the sealant cap 3, a cathode guide pin 10 is fixedly connected to the inner side of the sealant cap 3, and the anode guide pin 9 and the cathode guide pin 10 are symmetrically distributed about the vertical center line of the sealant cap 3, so as to be connected to the outside for use.

Further, the inner side of the aluminum cylinder shell 1 is fixedly connected with a capacitor inner core 8.

Further, the lower end of the anode guide pin 9 is fixedly connected with a capacitor inner core 8, and the lower end of the cathode guide pin 10 is fixedly connected with the capacitor inner core 8.

The working principle is as follows: the parcel in the 1 outside of aluminium drum shell has plastic sleeve pipe 2, plastic sleeve pipe 2 can play certain guard action to electric capacity, can represent the different parameters of electric capacity according to plastic sleeve pipe 2's colour difference, sealed glue lid 3 that 1 inboard top of aluminium drum shell is connected can play the effect of sealed inside electric capacity inner core 8, make positive pole guide pin 9 and negative pole guide pin 10 pass through to the inside electric capacity inner core 8 of aluminium drum shell simultaneously, make and produce resistance between positive pole guide pin 9 and the negative pole guide pin 10, star font explosion-proof valve 6 that aluminium drum shell 1 inboard fixed connection's 5 bottoms was seted up can be when electric capacity inner core 8 is ageing, the inside content that oozes of drainage, the seepage that buffering interlayer 7 of reserving between explosion-proof separator 5 and bottom plate 4 can the secondary protection content, play the effect of protecting external 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. An aluminum electrolytic capacitor with a protection function comprises an aluminum cylinder shell, and is characterized in that: the outer side of the aluminum cylinder shell is fixedly connected with a plastic sleeve, the inner side of the aluminum cylinder shell is fixedly connected with a sealing rubber cover, the sealing rubber cover is positioned at the top of the vertical center line of the aluminum cylinder shell, and the lower end of the aluminum cylinder shell is fixedly connected with a bottom plate.

2. The aluminum electrolytic capacitor with the protection function as claimed in claim 1, wherein: the explosion-proof valve is characterized in that an explosion-proof partition plate is fixedly connected to the inner side of the aluminum cylinder shell, a star-shaped explosion-proof valve is arranged at the lower end of the explosion-proof partition plate, the explosion-proof partition plate is located above the bottom plate, and a buffer interlayer is reserved between the explosion-proof partition plate and the bottom plate.

3. The aluminum electrolytic capacitor with the protection function as claimed in claim 1, wherein: the inner side of the sealing rubber cover is fixedly connected with an anode guide pin, the inner side of the sealing rubber cover is fixedly connected with a cathode guide pin, and the anode guide pin and the cathode guide pin are symmetrically distributed about the vertical center line of the sealing rubber cover.

4. The aluminum electrolytic capacitor with the protection function as claimed in claim 3, wherein: and the inner side of the aluminum cylinder shell is fixedly connected with a capacitor inner core.

5. The aluminum electrolytic capacitor with the protection function as claimed in claim 3, wherein: the lower end of the anode guide pin is fixedly connected with an inner capacitor core, and the lower end of the cathode guide pin is fixedly connected with an inner capacitor core.