CN223155817U - High-reliability aluminum electrolytic capacitor - Google Patents

Abstract

The utility model relates to the technical field of aluminum electrolytic capacitors and discloses an aluminum electrolytic capacitor with high reliability, wherein a support sleeve is sleeved on the outer side of a reticulate pattern sleeve, the support sleeve is abutted against one side, far away from an aluminum shell, of a heat conducting coating, a fixing ring is fixedly connected to the bottom of the aluminum shell, a heat conducting seat is fixedly connected to the bottom of the aluminum shell, a heat radiating plate is fixedly connected to the bottom of the heat radiating plate, and a plurality of heat radiating columns are fixedly connected to the bottom of the heat radiating plate.

Description

High-reliability aluminum electrolytic capacitor

Technical Field

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

Background

The capacitor is a main element of an electronic circuit, can store electric energy, and has the characteristics of charging, discharging and blocking alternating current and direct current. The aluminum electrolytic capacitor is a general electrolytic capacitor which is made of aluminum materials and has good electrical performance, wide application range and high reliability, and is a common choice of power supply capacitance. However, since the aluminum electrolytic capacitor is susceptible to the temperature rise of the aluminum electrolytic capacitor, the service life of the aluminum electrolytic capacitor is easily shortened after the temperature of the aluminum electrolytic capacitor is higher, so that the service life and the working reliability of a power supply or other electronic equipment are affected.

Disclosure of utility model

The utility model aims to provide an aluminum electrolytic capacitor with high reliability, so as to solve the problems that the service life of a power supply or other electronic equipment is influenced and the working reliability is influenced because the aluminum electrolytic capacitor is easily influenced by the temperature rise of the aluminum electrolytic capacitor and the service life of the aluminum electrolytic capacitor is easily shortened after the temperature of the aluminum electrolytic capacitor is higher in the background art.

In order to achieve the aim, the utility model provides the technical scheme that the aluminum electrolytic capacitor with high reliability comprises an aluminum shell, wherein a heat dissipation assembly is arranged in the aluminum shell;

the heat dissipation assembly comprises a heat conduction coating, a support sleeve and an reticulation sleeve, wherein the heat conduction coating is fixedly connected to the inner side wall of the aluminum shell, a capacitor core bag is arranged in the aluminum shell, the reticulation sleeve is sleeved on the outer side of the capacitor core bag, the support sleeve is sleeved on the outer side of the reticulation sleeve, the support sleeve is abutted to one side, far away from the aluminum shell, of the heat conduction coating, a fixing ring is fixedly connected to the bottom of the aluminum shell, a heat conduction seat is fixedly connected to the bottom of the aluminum shell, a heat dissipation plate is fixedly connected to the bottom of the aluminum shell, and a plurality of heat dissipation columns are fixedly connected to the bottom of the heat dissipation plate.

As a further preferable mode of the technical scheme, a rubber pad is arranged in the aluminum shell, and a positive electrode pin and a negative electrode pin are respectively arranged on the capacitor core package.

As a further preferable mode of the technical scheme, one ends of the positive electrode pin and the negative electrode pin penetrate through the bottom of the rubber pad, and one ends of the positive electrode pin and the negative electrode pin extend to the outer side of the top end of the aluminum shell.

As a further preferable mode of the technical scheme, the heat dissipation plate is positioned on the inner side of the fixing ring, and the heat conduction seat is positioned below the support sleeve and the reticulate pattern sleeve.

As a further preferable mode of the technical scheme, the outer side of the aluminum shell is sleeved with a heat dissipation sleeve, and the outer sides of the aluminum shell and the heat dissipation sleeve are provided with sleeves.

As a further preferable scheme, the capacitor core package comprises an anode aluminum foil, electrolytic paper and a cathode aluminum foil, wherein the electrolytic paper is arranged between the anode aluminum foil and the cathode aluminum foil, and the electrolytic paper is arranged on one side of the cathode aluminum foil far away from the anode aluminum foil.

As a further preferable mode of the technical scheme, the other end of the positive electrode pin is connected to the anode aluminum foil, and the other end of the negative electrode pin is connected to the cathode aluminum foil.

Compared with the prior art, the heat-conducting structure has the beneficial effects that the heat-conducting structure can assist the capacitor core package to dissipate heat through the heat-conducting coating, the heat-radiating sleeve, the heat-conducting seat, the heat-radiating plate and the heat-radiating column, so that the heat-radiating effect of the capacitor core package is effectively improved, the normal use of the capacitor is ensured, the service life of the capacitor is prolonged, the reliability of the capacitor is ensured, the structure of the aluminum shell can be reinforced by the support sleeve and the reticulate pattern sleeve, and the deformation of the aluminum shell caused by the internal heating of the capacitor is effectively prevented, and the normal use of the capacitor is influenced.

Drawings

In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the bottom structure of the present utility model;

FIG. 3 is a schematic diagram of the internal structure of the aluminum shell of the present utility model;

FIG. 4 is a schematic diagram of a capacitor core pack according to the present utility model;

Fig. 5 is a schematic top view of the present utility model.

The reference numerals comprise 1, a sleeve, 2, an aluminum shell, 3, a heat conducting coating, 4, a supporting sleeve, 5, a reticulate pattern sleeve, 6, a capacitor core package, 7, a heat radiating sleeve, 8, a fixing ring, 9, a heat conducting seat, 10, a heat radiating plate, 11, a heat radiating column, 12, a rubber pad, 13, a positive electrode pin, 14, a negative electrode pin, 15, an anode aluminum foil, 16, electrolytic paper, 17 and a cathode aluminum foil.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the application, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the application.

Examples

In the prior art, because the aluminum electrolytic capacitor is easily affected by the temperature rise of the aluminum electrolytic capacitor, the service life of the aluminum electrolytic capacitor is easily shortened after the temperature of the aluminum electrolytic capacitor is higher, thereby affecting the service life and the working reliability of power supplies or other electronic equipment.

Referring to fig. 1-5, the utility model provides a technical scheme that an aluminum electrolytic capacitor with high reliability comprises an aluminum shell 2, wherein a heat dissipation component is arranged in the aluminum shell 2.

Through setting up radiating component, improve the radiating effect of condenser core package 6, so as to ensure the normal use of condenser, improve the life of condenser, guarantee the reliability of condenser, simultaneously can avoid aluminium shell 2 to take place to warp under the circumstances of condenser core package 6 thermal expansion, radiating component includes heat conduction coating 3, support sleeve 4 and reticulation cover 5, heat conduction coating 3 fixed connection is in the inside wall of aluminium shell 2, the inside of aluminium shell 2 is provided with condenser core package 6, reticulation cover 5 cup joints in the outside of condenser core package 6, support sleeve 4 cup joints in the outside of reticulation cover 5, can carry out spacingly to condenser core package 6 through support sleeve 4 and reticulation cover 5, can prevent that condenser core package 6 thermal expansion from leading to aluminium shell 2 to take place to warp

The support sleeve 4 is abutted against one side of the heat conduction coating 3, which is far away from the aluminum shell 2, the bottom of the aluminum shell 2 is fixedly connected with a fixing ring 8, the inner bottom of the aluminum shell 2 is fixedly connected with a heat conduction seat 9, the bottom of the aluminum shell 2 is fixedly connected with a heat dissipation plate 10, the bottom of the heat dissipation plate 10 is fixedly connected with a plurality of heat dissipation columns 11, the heat dissipation plate 10 is positioned on the inner side of the fixing ring 8, the heat conduction seat 9 is positioned below the support sleeve 4 and the reticulate pattern sleeve 5, the heat dissipation sleeve 7 is sleeved on the outer side of the aluminum shell 2, the heat dissipation sleeve 1 is arranged on the outer sides of the aluminum shell 2 and the heat dissipation sleeve 7, the heat conduction coating 3 can conduct heat generated by the capacitor core package 6 inside the aluminum shell 2 and dissipate the heat through the heat dissipation sleeve 7, the heat can be conducted through the heat conduction seat 9 to the heat dissipation plate 10, and the heat conduction seat 9 can assist the heat dissipation of the heat dissipation columns 11 on the heat dissipation plate 10, so that the heat dissipation effect of the capacitor core package 6 is improved.

The inside of the aluminum shell 2 is provided with the rubber pad 12, the capacitor core bag 6 is provided with the positive electrode pin 13 and the negative electrode pin 14 respectively, one ends of the positive electrode pin 13 and the negative electrode pin 14 penetrate through the bottom of the rubber pad 12, the positive electrode pin 13 and the negative electrode pin 14 facilitate the installation of the capacitor, one ends of the positive electrode pin 13 and the negative electrode pin 14 extend to the outer side of the top end of the aluminum shell 2, and the rubber pad 12 can seal the aluminum shell 2.

The capacitor core pack 6 includes an anode aluminum foil 15, electrolytic papers 16 and a cathode aluminum foil 17 in two numbers, one electrolytic paper 16 is disposed between the anode aluminum foil 15 and the cathode aluminum foil 17, the other electrolytic paper 16 is disposed on one side of the cathode aluminum foil 17 away from the anode aluminum foil 15, the other end of the anode pin 13 is connected to the anode aluminum foil 15, the other end of the cathode pin 14 is connected to the cathode aluminum foil 17, and the anode aluminum foil 15, the one electrolytic paper 16, the cathode aluminum foil 17 and the other electrolytic paper 16 are stacked and wound in order, thereby forming the capacitor core pack 6.

The theory of operation or the structural principle, when aluminium electrolytic capacitor uses, can strengthen the structure of aluminium shell 2 through support sleeve 4 and reticulation cover 5, the effectual inside heat that prevents the condenser leads to aluminium shell 2 to take place to warp, influence the normal use of condenser, through the setting of heat conduction coating 3 and heat dissipation sleeve 7, heat conduction coating 3 can conduct the heat that the inside condenser core package 6 of aluminium shell 2 produced, rethread heat dissipation sleeve 7, thereby accomplish the heat dissipation of condenser core package 6, the heat can conduct through heat conduction seat 9 simultaneously, heat conduction seat 9 conducts the heat to heating panel 10 on, through a plurality of heat dissipation post 11 on the heating panel 10, can assist heat conduction seat 9 dispel the heat, thereby improve the radiating effect of condenser core package 6, in order to ensure the normal use of condenser, improve the life of condenser.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims (7)

1. The aluminum electrolytic capacitor with high reliability comprises an aluminum shell (2) and is characterized in that a heat dissipation assembly is arranged in the aluminum shell (2);

The heat dissipation assembly comprises a heat conduction coating (3), a support sleeve (4) and a reticulation sleeve (5), wherein the heat conduction coating (3) is fixedly connected to the inner side wall of an aluminum shell (2), a capacitor core bag (6) is arranged in the aluminum shell (2), the reticulation sleeve (5) is sleeved on the outer side of the capacitor core bag (6), the support sleeve (4) is sleeved on the outer side of the reticulation sleeve (5), the support sleeve (4) is abutted to the heat conduction coating (3) and is far away from one side of the aluminum shell (2), a fixing ring (8) is fixedly connected to the bottom of the aluminum shell (2), a heat conduction seat (9) is fixedly connected to the bottom of the aluminum shell (2), a heat dissipation plate (10) is fixedly connected to the bottom of the aluminum shell (2), and a plurality of heat dissipation columns (11) are fixedly connected to the bottom of the heat dissipation plate (10).

2. The aluminum electrolytic capacitor with high reliability according to claim 1, wherein the inside of the aluminum shell (2) is provided with a rubber pad (12), and the capacitor core pack (6) is respectively provided with a positive electrode pin (13) and a negative electrode pin (14).

3. The aluminum electrolytic capacitor with high reliability according to claim 2, wherein one ends of the positive electrode pin (13) and the negative electrode pin (14) penetrate through the bottom of the rubber pad (12), and one ends of the positive electrode pin (13) and the negative electrode pin (14) extend to the outer side of the top end of the aluminum shell (2).

4. The highly reliable aluminum electrolytic capacitor as claimed in claim 1, wherein the heat dissipating plate (10) is located inside the fixing ring (8), and the heat conducting base (9) is located below the support sleeve (4) and the mesh sleeve (5).

5. The high-reliability aluminum electrolytic capacitor of claim 1, wherein the outer side of the aluminum shell (2) is sleeved with a heat dissipation sleeve (7), and the outer sides of the aluminum shell (2) and the heat dissipation sleeve (7) are provided with a sleeve (1).

6. An aluminum electrolytic capacitor with high reliability according to claim 3, wherein said capacitor core package (6) comprises an anode aluminum foil (15), a number of two electrolytic papers (16) and a cathode aluminum foil (17), one of said electrolytic papers (16) being disposed between the anode aluminum foil (15) and the cathode aluminum foil (17), the other of said electrolytic papers (16) being disposed on a side of the cathode aluminum foil (17) remote from the anode aluminum foil (15).

7. The highly reliable aluminum electrolytic capacitor as recited in claim 6, wherein the other end of the positive electrode lead (13) is connected to an anode aluminum foil (15), and the other end of the negative electrode lead (14) is connected to a cathode aluminum foil (17).