CN211404301U

CN211404301U - Electrolytic capacitor with anti-seismic function

Info

Publication number: CN211404301U
Application number: CN201922361867.0U
Authority: CN
Inventors: 郑永刚
Original assignee: Shenzhen Yuezhi Optoelectronic Technology Co ltd
Current assignee: Shenzhen Yuezhi Optoelectronic Technology Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-01
Anticipated expiration: 2029-12-25

Abstract

The utility model discloses an electrolytic capacitor with antidetonation function, which comprises an end cover, the aluminum hull, electrolytic paper, electrolyte and two conducting bars, the aluminum hull both ends are located respectively to end cover and apron constitute a confined space, electrolyte is arranged in confined space, two through-holes have been seted up to the apron, a conducting bar tip is located to the electrolytic paper roll, the conducting bar is rolled up and is equipped with electrolytic paper one end and arranges in confined space, and the conducting bar other end passes the through-hole and extends the confined space outside, the fixed stabilizer blade that electrolytic paper one end was equipped with two rubber materials is kept away from to the apron, conducting bar and fixed stabilizer blade interval are arranged, and adjacent conducting bar equals to the distance between the fixed stabilizer blade, fixed stabilizer blade includes cylinder and cushion, the cylinder is the round platform form, the less terminal surface of cylinder and apron fixed connection, great one. The utility model provides an electrolytic capacitor with antidetonation function, simple structure, the antidetonation effect is obvious.

Description

Electrolytic capacitor with anti-seismic function

Technical Field

The utility model relates to an electrolytic capacitor technical field especially relates to an electrolytic capacitor with antidetonation function.

Background

The electrolytic capacitor has an electrolyte material for storing charges therein, which has positive and negative polarities, and is similar to a battery and is not connectable to the other. The positive electrode is a metal substrate adhered with an oxide film, and the negative electrode is connected with an electrolyte (solid and non-solid) through a metal polar plate.

At present, the electrolytic capacitor is arranged on a circuit board and is easy to be vibrated, and a conductive rod inside the electrolytic capacitor is easy to scratch electrolytic paper after being vibrated, so that the electrolytic capacitor is damaged.

At present, solve electrolytic capacitor antidetonation problem and disclose an antidetonation aluminum electrolytic capacitor like chinese patent CN201821148427.6, including the aluminum hull, the aluminum hull is inside from last core package and the apron down being equipped with in proper order, the apron is fixed on the aluminum hull through the fixed beam waist of the apron of aluminum hull upper end, the core package upper end is connected with the electrode, the electrode passes the apron, aluminum hull casing intermediate position is equipped with the fixed core package groove of round, fixed core package groove is indent formula circular arc structure, the cambered surface apex and the core package excircle of indent circular arc are laminated mutually.

In the structure, the core cladding is fixed in the radial direction by adding the beam groove in the middle of the aluminum shell, so that the anti-seismic performance of the capacitor is improved. However, the electrolytic capacitor as a whole still vibrates with the vibration, and the relative vibration-proof effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrolytic capacitor with antidetonation function, simple structure, the antidetonation effect is obvious.

The utility model discloses an electrolytic capacitor with antidetonation function adopts technical scheme:

an electrolytic capacitor with an anti-seismic function comprises an end cover, a cover plate, an aluminum shell, electrolytic paper, electrolyte and two conductive rods, the end cover and the cover plate are respectively arranged at two ends of the aluminum shell to form a sealed space, the electrolyte is arranged in the sealed space, the cover plate is provided with two through holes, the electrolytic paper roll is arranged at one end part of the conductive rod, one end of the conductive rod roll, which is provided with the electrolytic paper, is arranged in the sealed space, the other end of the current conducting rod passes through the through hole and extends out of the sealed space, one end of the cover plate, far away from the electrolytic paper, is provided with two fixed support legs made of rubber, the current conducting rod and the fixed support legs are arranged at intervals, and the distances between the adjacent conductive rods and the fixed support legs are equal, the fixed support legs comprise columns and cushion blocks, the cylinder is round platform form, the less terminal surface of cylinder and apron fixed connection, the great one end of cylinder and cushion fixed connection.

As a preferred scheme, a plurality of explosion-proof stamping lines are arranged at the top of the end cover.

As a preferred scheme, the middle part of the aluminum shell is provided with an annular core bundle groove.

As a preferred scheme, two isolation grooves are formed in one end, away from the electrolytic paper, of the cover plate, the through holes penetrate through the bottoms of the isolation grooves, and the through holes correspond to the isolation grooves one to one.

As a preferred scheme, the outside of the aluminum shell is provided with an identification layer, and the identification of the identification layer is close to one of the through holes of the cover plate.

The utility model discloses an electrolytic capacitor with antidetonation function's beneficial effect is: one end of the cover plate, which is far away from the electrolytic paper, is provided with two fixed support legs made of rubber. The conducting rods and the fixed support legs are arranged at intervals, and the distances between the adjacent conducting rods and the fixed support legs are equal. The fixed support leg comprises a column body and a cushion block, the column body is in a round table shape, the smaller end face of the column body is fixedly connected with the cover plate, and the larger end of the column body is fixedly connected with the cushion block. When the external vibration occurs, the fixed support leg is pressed against the circuit board, so that the electrolytic capacitor is tightly fixed on the circuit board and cannot swing left and right; meanwhile, the fixed supporting legs made of rubber can generate internal damping, and a certain blocking effect is achieved on vibration. The anti-seismic effect of the electrolytic capacitor is further improved. Simple structure and convenient production.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle of an electrolytic capacitor with an anti-seismic function according to the present invention.

Fig. 2 is a schematic structural diagram of a second view angle of the electrolytic capacitor with anti-seismic function according to the present invention.

Fig. 3 is a schematic structural diagram of an electrolytic capacitor cover plate with an anti-seismic function according to the present invention.

Fig. 4 is a front view of an electrolytic capacitor cover plate with a shock-resistant function according to the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1-4, an electrolytic capacitor with anti-vibration function includes an end cap 10, a cover plate 20, an aluminum case 30, electrolytic paper, electrolyte, and two conductive rods 40.

The end cap 10 and the cover plate 20 are respectively disposed at two ends of the aluminum case 30 to form a sealed space. The electrolyte is placed in the sealed space, and the cover plate 20 is provided with two through holes (not shown). The electrolytic paper roll is arranged at one end part of the conductive rod 40, one end of the conductive rod 40, which is provided with the electrolytic paper roll, is arranged in the sealed space, and the other end of the conductive rod 40 penetrates through the through hole and extends out of the sealed space.

The cover plate 20 is provided with two rubber fixing legs 21 at one end away from the electrolytic paper. The conductive rods 40 and the fixing legs 21 are arranged at intervals, and the distances from the adjacent conductive rods 40 to the fixing legs 21 are equal.

When the external vibration occurs, the fixing support legs 21 are pressed against the circuit board, so that the electrolytic capacitor is tightly fixed on the circuit board and cannot swing left and right; meanwhile, the fixed supporting legs 21 made of rubber can generate internal damping, and a certain blocking effect is achieved on vibration. The anti-seismic effect of the electrolytic capacitor is further improved. Simple structure and convenient production.

The fixing leg 21 includes a column 211 and a pad 212, and the column 211 is in a circular truncated cone shape, so that it is more stable. Meanwhile, the smaller end surface of the column 211 is fixedly connected with the cover plate 20, and the larger end of the column 211 is fixedly connected with the cushion block 212. The contact surface between the fixing support legs 21 and the circuit board is increased, and the stability of the fixing support legs is improved. In this example, the pad 212 is in the shape of a circular truncated cone.

The top of the end cover 10 is provided with a plurality of explosion-proof press lines 11. Avoid the explosion caused by overlarge internal air pressure. When the internal air pressure rises to a certain degree, the explosion-proof press line 11 is broken under the action of the internal air pressure, and the internal air is released.

The middle part of the aluminum shell 30 is provided with an annular core bundle groove 31. The core bundle groove 31 is used for binding the internal electrolytic paper.

Preventing it from vibrating.

Two isolation grooves 22 are formed in one end, away from the electrolytic paper, of the cover plate 20, through holes penetrate through the bottoms of the isolation grooves 22, and the through holes correspond to the isolation grooves 22 one to one. Avoid the electrode contact accident.

The aluminum shell 30 is provided with an identification layer 50 on the outside, and the identification of the identification layer 50 is close to one of the through holes of the cover plate 20. For determining the positive and negative polarities.

The utility model provides an electrolytic capacitor with antidetonation function, the apron is kept away from electrolytic paper one end and is equipped with the fixed stabilizer blade of two rubber materials. The conducting rods and the fixed support legs are arranged at intervals, and the distances between the adjacent conducting rods and the fixed support legs are equal. The fixed support leg comprises a column body and a cushion block, the column body is in a round table shape, the smaller end face of the column body is fixedly connected with the cover plate, and the larger end of the column body is fixedly connected with the cushion block. When the external vibration occurs, the fixed support leg is pressed against the circuit board, so that the electrolytic capacitor is tightly fixed on the circuit board and cannot swing left and right; meanwhile, the fixed supporting legs made of rubber can generate internal damping, and a certain blocking effect is achieved on vibration. The anti-seismic effect of the electrolytic capacitor is further improved. Simple structure and convenient production.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. An electrolytic capacitor with an anti-seismic function comprises an end cover, a cover plate, an aluminum shell, electrolytic paper, electrolyte and two conductive rods, the end cover and the cover plate are respectively arranged at two ends of the aluminum shell to form a sealed space, the electrolyte is arranged in the sealed space, the cover plate is provided with two through holes, the electrolytic paper roll is arranged at one end part of the conductive rod, one end of the conductive rod roll provided with the electrolytic paper is arranged in the sealed space, the other end of the conductive rod penetrates through the through holes and extends out of the sealed space, it is characterized in that one end of the cover plate, which is far away from the electrolytic paper, is provided with two fixed support legs made of rubber, the current-conducting rods and the fixed support legs are arranged at intervals, and the distances between the adjacent conductive rods and the fixed support legs are equal, the fixed support legs comprise columns and cushion blocks, the cylinder is round platform form, the less terminal surface of cylinder and apron fixed connection, the great one end of cylinder and cushion fixed connection.

2. An electrolytic capacitor with earthquake-proof function as claimed in claim 1, wherein the top of said end cap is provided with a plurality of explosion-proof press lines.

3. An anti-seismic electrolytic capacitor as claimed in claim 1, wherein said aluminum case has an annular bundle-surrounding groove in the middle.

4. An anti-seismic electrolytic capacitor as claimed in claim 1, wherein two isolation grooves are formed at the end of the cover plate away from the electrolytic paper, the through holes penetrate through the bottoms of the isolation grooves, and the through holes and the isolation grooves are in one-to-one correspondence.

5. An anti-seismic electrolytic capacitor as claimed in any one of claims 1 to 4, wherein an identification layer is provided on the outside of the aluminum case, and the identification layer has an identification near one of the through holes of the cover plate.