CN212810077U

CN212810077U - Anti-corrosion aluminum electrolytic capacitor

Info

Publication number: CN212810077U
Application number: CN202021889348.8U
Authority: CN
Inventors: 张洪斌; 张业维; 余艳; 吴培恺
Original assignee: Guangzhou Chinsan Electronic Co ltd
Current assignee: Guangzhou Chinsan Electronic Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-26
Anticipated expiration: 2030-09-02

Abstract

The utility model discloses an anticorrosion aluminum electrolytic capacitor, include: the aluminum shell, the core package and the buckle shell, wherein a sealing cover plate is arranged at an opening of the aluminum shell, and an inserting groove is formed in the outward end surface of the sealing cover plate in a sunken mode; the core bag is arranged in the aluminum shell, the cathode connecting sheet and the anode connecting sheet which are connected with the upper end of the core bag penetrate through the sealing cover plate, and the protruding parts of the core bag are clamped in the mounting groove of the sealing cover plate; the lock shell assembly is in the aluminum hull outside and surround the aluminum hull setting, and the lock shell bottom is equipped with the plug with slot interference fit, and the lock shell just is equipped with the through-hole to the position of negative pole connection piece and positive pole connection piece, and this through-hole endotheca is equipped with the insulating stopper, and the interlude has the needle of drawing with negative pole connection piece and positive pole connection piece contact in the insulating stopper, the utility model provides a damage of needle and lead to the whole condemned problem of condenser, avoid the waste of resource.

Description

Anti-corrosion aluminum electrolytic capacitor

Technical Field

The utility model relates to an aluminum electrolytic capacitor technical field especially relates to an anticorrosion aluminum electrolytic capacitor.

Background

A capacitor, generally referred to simply as its capacity to hold a charge, is a capacitance. The capacitor is one of the electronic components used in electronic devices in large quantity, and is widely applied to the aspects of blocking, direct current and alternating current, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in the circuit, and along with the development of the energy-saving frequency conversion technology, the aluminum electrolytic capacitor is increasingly used in various frequency converters and inverters, for example: washing machine, electric tool, car are on-vehicle etc. but traditional condenser corrosion resistance is poor, and if only the guide pin alone damages also can lead to whole condenser to scrap, causes the waste of resource.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the technical problem existing to a certain extent, and provides an anti-corrosion aluminum electrolytic capacitor, which solves the problem that the guide pin is damaged to cause the whole scrapped capacitor, and avoids the waste of resources.

The utility model provides a technical scheme that its technical problem adopted is: provided is an anti-corrosion aluminum electrolytic capacitor comprising: the aluminum shell, the core package and the buckle shell, wherein a sealing cover plate is arranged at an opening of the aluminum shell, and an inserting groove is formed in the outward end surface of the sealing cover plate in a sunken mode; the core bag is arranged in the aluminum shell, the cathode connecting sheet and the anode connecting sheet connected with the upper end of the core bag penetrate through the sealing cover plate, and the protruding parts of the cathode connecting sheet and the anode connecting sheet are clamped in the mounting groove of the sealing cover plate; the buckling shell is assembled on the outer side of the aluminum shell and surrounds the aluminum shell, a plug in interference fit with the slot is arranged at the bottom of the buckling shell, a through hole is formed in the position, right facing the cathode connecting sheet and the anode connecting sheet, of the buckling shell, an insulating plug is sleeved in the through hole, and a guide pin in contact with the cathode connecting sheet and the anode connecting sheet penetrates through the insulating plug.

The utility model discloses the aluminum hull outside is equipped with the spiral shell in the embodiment and surrounds, the spiral shell is fixed on the aluminum hull through the plug that sets up and the slot interference fit of aluminum hull simultaneously, and alternate on the insulating plug that the spiral shell cover was established and have the guide pin with cathode connection piece and anode connection piece contact, thereby fall into two independent and connected parts with the electrical conductivity position of condenser, change alone when the guide pin on the outside spiral shell damages the guide pin can, the problem of guide pin damage and leading to the whole condensor scrapped is solved, avoid the waste of resource, it is further, the spiral shell can avoid outside corrosive substance direct and inside condenser contact, improve the inside stability of aluminum hull when playing the anticorrosion effect.

In some preferred embodiments, the bottom of the inner wall of the buckle shell is provided with an auxiliary convex hull which abuts against the aluminum shell. So, detain supplementary convex closure behind the shell lock to the aluminum hull and can support tight aluminum hull, avoid detaining the shell and drop by oneself, guarantee the compactedness of detaining the shell assembly, prevent that corrosive substance is the splendid income condenser inside, improve the corrosion protection nature effect.

In some preferred embodiments, the bottom surface of the buckle shell is provided with an air outlet at a position close to the insulating plug. Therefore, the pressure generated when the buckling shell is buckled is discharged from the air outlet, and the assembling speed is improved.

In certain preferred embodiments, the cross section of the sealing cover plate is in a "T" shape, the long side of the sealing cover plate protrudes out of the aluminum shell, the outer diameter of the long side is smaller than that of the sealing aluminum shell, and the short side of the sealing cover plate is in interference fit with the inner wall of the aluminum shell.

In some preferred embodiments, the sealing cover plate is made of rubber.

In some preferred embodiments, the buckle shell is made of plastic material, and the outer surface of the buckle shell is plated with a corrosion-resistant layer, and the inner surface of the buckle shell is plated with an insulating layer.

Compared with the prior art, the beneficial effects are that: the utility model discloses the aluminum hull outside is equipped with the spiral shell in the embodiment and surrounds, the spiral shell is fixed on the aluminum hull through the plug that sets up and the slot interference fit of aluminum hull simultaneously, and alternate on the insulating plug that the spiral shell cover was established and have the guide pin with cathode connection piece and anode connection piece contact, thereby fall into two independent and connected parts with the electrical conductivity position of condenser, change alone when the guide pin on the outside spiral shell damages the guide pin can, the problem of guide pin damage and leading to the whole condensor scrapped is solved, avoid the waste of resource, it is further, the spiral shell can avoid outside corrosive substance direct and inside condenser contact, improve the inside stability of aluminum hull when playing the anticorrosion effect.

While additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is an exploded view of an anti-corrosion aluminum electrolytic capacitor according to the present invention;

FIG. 2 is a cross-sectional view of the anti-corrosion aluminum electrolytic capacitor of the present invention;

fig. 3 is a structural diagram of the buckle housing of the present invention.

Description of the drawings: 1. an aluminum shell; 2. a core package; 3. buckling a shell; 4. sealing the cover plate; 5. a slot; 6. a cathode connecting sheet; 7. an anode connecting sheet; 8. a plug; 9. an insulating plug; 10. leading a needle; 11. an auxiliary convex hull; 12. and an air outlet.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

In the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the 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; the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 utility model can be understood in specific cases to those of ordinary skill in the art.

The utility model discloses at the concrete implementation as follows: an anti-corrosion aluminum electrolytic capacitor as shown in fig. 1-3, comprising: the aluminum core-spun yarn package comprises an aluminum shell 1, a core package 2 and a buckle shell 3, wherein a sealing cover plate 4 is arranged at an opening of the aluminum shell 1, and an inserting groove 5 is formed in the outward end surface of the sealing cover plate 4 in a sunken mode; the core bag 2 is arranged in the aluminum shell 1, the cathode connecting sheet 6 and the anode connecting sheet 7 connected with the upper end of the core bag 2 penetrate through the sealing cover plate 4, and the protruding parts of the cathode connecting sheet and the anode connecting sheet are clamped in the mounting groove of the sealing cover plate 4; the buckling shell 3 is assembled on the outer side of the aluminum shell 1 and surrounds the aluminum shell 1, a plug 8 in interference fit with the slot 5 is arranged at the bottom of the buckling shell 3, a through hole is formed in the position, right facing the cathode connecting sheet 6 and the anode connecting sheet 7, of the buckling shell 3, an insulating plug 9 is sleeved in the through hole, and a guide pin 10 in contact with the cathode connecting sheet 6 and the anode connecting sheet 7 is inserted in the insulating plug 9.

The utility model discloses the 1 outside of aluminum hull is equipped with spiral shell 3 in the embodiment and surrounds, spiral shell 3 is fixed on aluminum hull 1 through the plug 8 that sets up and the 5 interference fit of slot of aluminum hull 1 simultaneously, and alternate on 3 covers of spiral shell establish insulating plug 9 with the needle 10 that draws of contact of cathode connecting piece 6 and anode connecting piece 7, thereby fall into two parts of independent and connection with the electrical conductivity position of condenser, it can to change the needle 10 alone when the needle 10 that draws on the outside spiral shell 3 damages, it damages and leads to the whole condemned problem of condenser to have solved the needle that draws, avoid the waste of resource, and is further, spiral shell 3 can avoid outside corrosive substance to directly contact with inside condenser contact, improve the inside stability of aluminum hull 1 when playing the anticorrosion effect.

In this embodiment, the bottom of the inner wall of the buckle housing 3 is provided with an auxiliary convex hull 11 abutting against the aluminum housing 1. So, detain supplementary convex closure 11 behind the 3 locks of shell 1 and can support tight aluminum hull 1, avoid detaining shell 3 and drop by oneself, guarantee the compactedness of detaining 3 assemblies of shell, prevent that corrosive substance is exquisite to go into inside the condenser, improve the corrosion protection nature effect.

In this embodiment, the bottom surface of the buckling shell 3 is provided with an air outlet 12 near the insulating plug 9. Thus, the pressure generated when the buckling case 3 is buckled is discharged from the air outlet 12, and the assembly speed is improved.

In this embodiment, the cross-section of the sealing cover plate 4 is "T" shaped, the long side of the sealing cover plate protrudes out of the aluminum shell 3, the outer diameter of the long side is smaller than that of the sealing aluminum shell 4, and the short side of the sealing cover plate 4 is in interference fit with the inner wall of the aluminum shell 3.

In this embodiment, the sealing cover plate 4 is made of rubber.

In this embodiment, the buckle housing 3 is made of plastic material, and has an outer surface coated with a corrosion-resistant layer and an inner surface coated with an insulating layer.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An anti-corrosion aluminum electrolytic capacitor, comprising:

the opening of the aluminum shell is provided with a sealing cover plate, and the outward end surface of the sealing cover plate is provided with a slot in a sunken way;

the core bag is arranged in the aluminum shell, the cathode connecting sheet and the anode connecting sheet which are connected with the upper end of the core bag penetrate through the sealing cover plate, and the protruding parts of the core bag are clamped in the mounting grooves of the sealing cover plate;

the buckling shell is assembled on the outer side of the aluminum shell and surrounds the aluminum shell, a plug in interference fit with the slot is arranged at the bottom of the buckling shell, a through hole is formed in the position, right facing the cathode connecting sheet and the anode connecting sheet, of the buckling shell, an insulating plug is sleeved in the through hole, and a guide pin in contact with the cathode connecting sheet and the anode connecting sheet penetrates through the insulating plug.

2. The anti-corrosion aluminum electrolytic capacitor according to claim 1, characterized in that: and an auxiliary convex hull which is abutted against the aluminum shell is arranged at the bottom of the inner wall of the buckling shell.

3. The anti-corrosion aluminum electrolytic capacitor according to claim 1, characterized in that: and a gas outlet is formed in the bottom surface of the buckling shell, which is close to the insulating plug.

4. The anti-corrosion aluminum electrolytic capacitor according to claim 1, characterized in that: the cross section of the sealing cover plate is T-shaped, the long edge of the sealing cover plate protrudes out of the aluminum shell, the outer diameter of the long edge of the sealing cover plate is smaller than that of the sealing aluminum shell, and the short edge of the sealing cover plate is in interference fit with the inner wall of the aluminum shell.

5. The anti-corrosion aluminum electrolytic capacitor according to claim 1, characterized in that: the sealing cover plate is made of rubber.

6. The anti-corrosion aluminum electrolytic capacitor according to claim 1, characterized in that: the buckle shell is made of plastic materials, the outer surface of the buckle shell is plated with a corrosion-resistant layer, and the inner surface of the buckle shell is plated with an insulating layer.