CN213183985U

CN213183985U - High-power capacitor

Info

Publication number: CN213183985U
Application number: CN202022251172.XU
Authority: CN
Inventors: 李健光; 李泰甫; 朱永光
Original assignee: Nantong Xiangriya Precision Electromechanical Technology Co Ltd
Current assignee: Nantong Xiangriya Precision Electromechanical Technology Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-11
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a high power capacitor, including the shell body, shell body inner chamber installation electric capacity core, first pin and second pin are installed respectively to the shell body up end, and first electrode slice and second electrode slice are still installed respectively to the shell body inner chamber, and first electrode slice contacts with first pin and electric capacity core respectively, and the second electrode slice contacts with second pin and electric capacity core respectively, and the shell body lateral surface is seted up the recess, installs radiator unit in the recess, shell body inside wall installation rupture membrane, the utility model discloses structural design is novel, and heat dispersion is good, and the rupture membrane toughness of setting is good, and high frequency resistance, heavy current resistance can be good, and is not fragile, has ensured capacitor performance, and this condenser is fit for installing on high power equipment.

Description

High-power capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a high power capacitor.

Background

The capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C. Definition 1 a capacitor, as the name implies, is a 'charged capacitor', a device that contains an electrical charge. The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. Definition 2-capacitor, any two conductors (including wires) that are insulated from each other and closely spaced form a capacitor.

The capacitors used in the prior high-power equipment have poor explosion resistance and heat dissipation performance, and influence the service performance, so the improvement is necessary.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high power capacitor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high power capacitor, includes the shell body, shell body inner chamber installation electric capacity core, first pin and second pin are installed respectively to the shell body up end, first electrode slice and second electrode slice are still installed respectively to the shell body inner chamber, first electrode slice contacts with first pin and electric capacity core respectively, the second electrode slice contacts with second pin and electric capacity core respectively, the recess is seted up to the shell body lateral surface, installation radiator unit in the recess, shell body inside wall installation rupture membrane.

Preferably, the application provides a high power capacitor, wherein, radiator unit includes heating panel and U type fin, the heating panel closely laminates with the shell body lateral wall, U type fin perpendicular to heating panel surface.

Preferably, the high power capacitor that this application provided, wherein, the rupture membrane includes polypropylene base film, first polyester film, second polyester film, third polyester film and plastic polyurethane elastomer, first polyester film laminates in polypropylene base film surface, first polyester film passes through plastic polyurethane elastomer with the second polyester film and is connected, connect through plastic polyurethane elastomer between second polyester film, the third polyester film.

Preferably, the high-power capacitor provided by the application, wherein a flame-retardant epoxy resin is filled between the outer side wall of the capacitor core and the inner side wall of the outer shell.

Preferably, the capacitor core is formed by rolling two layers of metalized films in a non-inductive manner, and each metalized film comprises a polypropylene film dielectric layer and a metalized layer coated on the polypropylene film dielectric layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has novel structural design, good heat dissipation performance, good toughness of the arranged rupture membrane, good high-frequency resistance and high-current resistance, and difficult damage, ensures the service performance of the capacitor, and is suitable for being installed on high-power equipment; the adopted heat dissipation assembly has good heat dissipation performance and uniform heat dissipation and can quickly conduct a large amount of heat generated by the capacitor during working; in addition, the explosion-proof membrane arranged on the inner side of the outer shell is good in toughness, strong in compressive property and high in tensile strength, and the service life of the capacitor is further prolonged.

Drawings

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

FIG. 2 is a side view of the outer housing of the present invention;

FIG. 3 is a schematic structural view of the heat dissipation assembly of the present invention;

fig. 4 is a cross-sectional view of the rupture disk of the present invention.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; 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 present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a high-power capacitor comprises an outer shell 1, wherein a capacitor core 2 is arranged in an inner cavity of the outer shell 1, flame-retardant epoxy resin 17 is filled between the outer side wall of the capacitor core 2 and the inner side wall of the outer shell 1, the capacitor core 2 is formed by two layers of metalized films in a non-inductive rolling mode, and each metalized film comprises a polypropylene film dielectric layer and a metalized layer coated on the polypropylene film dielectric layer; first pin 3 and second pin 4 are installed respectively to 1 up end of shell body, first electrode slice 5 and second electrode slice 6 are still installed respectively to 1 inner chamber of shell body, first electrode slice 5 contacts with first pin 3 and electric capacity core 2 respectively, second electrode slice 6 contacts with second pin 4 and electric capacity core 2 respectively, recess 7 is seted up to 1 lateral surface of shell body, installation radiator unit 8 in the recess 7, explosion-proof membrane 9 is installed to 1 inside wall of shell body.

The utility model discloses in, radiator unit 8 includes heating panel 10 and U type fin 11, heating panel 10 closely laminates with 1 lateral wall of shell body, U type fin 11 perpendicular to heating panel 10 surfaces.

Furthermore, the utility model discloses in, rupture membrane 9 includes polypropylene base film 12, first polyester film 13, second polyester film 14, third polyester film 15 and plastic polyurethane elastomer 16, first polyester film 13 laminates in polypropylene base film 12 surface, first polyester film 13 is connected through plastic polyurethane elastomer 16 with second polyester film 14, connect through plastic polyurethane elastomer 16 between second polyester film 14, the third polyester film 15.

The utility model has novel structural design, good heat dissipation performance, good toughness of the arranged rupture membrane, good high-frequency resistance and high-current resistance, and difficult damage, ensures the service performance of the capacitor, and is suitable for being installed on high-power equipment; the adopted heat dissipation assembly has good heat dissipation performance and uniform heat dissipation and can quickly conduct a large amount of heat generated by the capacitor during working; in addition, the explosion-proof membrane arranged on the inner side of the outer shell is good in toughness, strong in compressive property and high in tensile strength, and the service life of the capacitor is further prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.

Claims

1. A high-power capacitor comprising an outer housing (1), characterized in that: the capacitor core (2) is installed in the inner cavity of the outer shell (1), the first pin (3) and the second pin (4) are installed on the upper end face of the outer shell (1) respectively, the first electrode plate (5) and the second electrode plate (6) are installed on the inner cavity of the outer shell (1) respectively, the first electrode plate (5) is in contact with the first pin (3) and the capacitor core (2) respectively, the second electrode plate (6) is in contact with the second pin (4) and the capacitor core (2) respectively, a groove (7) is formed in the outer side face of the outer shell (1), a heat dissipation assembly (8) is installed in the groove (7), and an explosion-proof film (9) is installed on the inner side wall of the outer shell (1).

2. A high power capacitor according to claim 1, characterized in that: the heat dissipation assembly (8) comprises a heat dissipation plate (10) and U-shaped fins (11), the heat dissipation plate (10) is tightly attached to the side wall of the outer shell (1), and the U-shaped fins (11) are perpendicular to the surface of the heat dissipation plate (10).

3. A high power capacitor according to claim 1, characterized in that: the explosion-proof membrane 9 comprises a polypropylene base membrane (12), a first polyester film (13), a second polyester film (14), a third polyester film (15) and a plastic polyurethane elastomer (16), wherein the first polyester film (13) is attached to the surface of the polypropylene base membrane (12), the first polyester film (13) is connected with the second polyester film (14) through the plastic polyurethane elastomer (16), and the second polyester film (14) and the third polyester film (15) are connected through the plastic polyurethane elastomer (16).

4. A high power capacitor according to claim 1, characterized in that: and flame-retardant epoxy resin (17) is filled between the outer side wall of the capacitor core (2) and the inner side wall of the outer shell (1).

5. A high power capacitor according to claim 1, characterized in that: the capacitor core (2) is formed by two layers of metalized films in a non-inductive rolling mode, and each metalized film comprises a polypropylene film dielectric layer and a metalized layer coated on the polypropylene film dielectric layer.