CN215377223U

CN215377223U - Durable film capacitor

Info

Publication number: CN215377223U
Application number: CN202121426463.6U
Authority: CN
Inventors: 骆维铭
Original assignee: Wuxi Rongtong Electronics Co ltd
Current assignee: Wuxi Rongtong Electronics Co ltd
Priority date: 2021-06-25
Filing date: 2021-06-25
Publication date: 2021-12-31
Anticipated expiration: 2031-06-25

Abstract

The utility model discloses a durable film capacitor, which comprises a fixed plate, a fixed clamping seat, a movable plate, a cooling plate, an aluminum shell, a core shell, a guide aluminum foil and a heat-conducting insulating elastic rubber pad, wherein the fixed clamping seat is arranged at the top of the fixed plate, the movable plate is arranged at the bottom of one side of the fixed clamping seat, and an active carbon adsorption layer is arranged inside the movable plate. The heat insulation effect of the epoxy resin coating is achieved, the influence of external temperature on the film capacitor can be effectively prevented, high temperature generated by the guide aluminum foil is guided and absorbed by the heat conduction and insulation elastic rubber pad, so that the guide aluminum foil is cooled, the aging speed of an organic medium is reduced, the service life of the film capacitor is prolonged, the temperature of the core shell is absorbed by the red copper sheet, and the red copper sheet is cooled by the cooling plate, so that the red copper sheet can absorb more heat, a cycle is achieved, and the cooling effect of the film capacitor is enhanced.

Description

Durable film capacitor

Technical Field

The utility model relates to the technical field of film capacitors, in particular to a durable film capacitor.

Background

The film capacitor is a capacitor having a structure in which a metal foil is used as an electrode, and the metal foil is laminated with a plastic film such as polyethylene, polypropylene, polystyrene, or polycarbonate from both ends thereof, and then wound into a cylindrical shape. When the thin film capacitor is used for a long time, the organic medium in the thin film capacitor can be aged gradually, so that the conductivity of the thin film capacitor can be reduced gradually, and the organic medium can be aged more quickly as the generated heat is higher.

Thus, although a durable film capacitor is known by examining application No. 201210294795.2, it still has certain technical drawbacks, and thus a durable film capacitor is required:

1. the existing durable film capacitor has poor durability, the organic medium in the film capacitor can be gradually aged at high temperature generated by voltage conversion for a long time, and the aging is quicker when the temperature is higher, so that the service life and the performance of the film capacitor are influenced, and the film capacitor is inconvenient to use;

2. the current durable film capacitor has poor heat dissipation, easily leads to the surface temperature rise of film capacitor, influences film capacitor's normal use effect, and the high temperature causes the damage to film capacitor easily simultaneously, and it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a durable film capacitor, which solves the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a durable type film capacitor, includes fixed plate, fixed cassette, fly leaf, cooling plate, aluminum hull, core shell, guide aluminium foil, heat conduction insulating elastic rubber pad, the top of fixed plate is equipped with fixed cassette, one side bottom of fixed cassette is equipped with the fly leaf, the inside of fly leaf is equipped with the active carbon adsorption layer, one side top of fixed cassette is equipped with the cooling plate, the top of fixed cassette is equipped with aluminum hull, aluminum hull's front is equipped with insulating pad, aluminum hull's inside is equipped with the red copper sheet, the inside of red copper sheet is equipped with the core shell, the inner wall of core shell all is equipped with the epoxy coating, the inside of core shell is equipped with guide aluminium foil, the inside bottom surface and the top surface of core shell all are equipped with heat conduction insulating elastic rubber pad.

Preferably, the front surface of the fixing plate is provided with a fixing hole in a penetrating manner, and the inside of the fixing hole is provided with a spiral thread.

Preferably, a nameplate mark is arranged on the other side of the fixed clamping seat, and the fixed clamping seat is connected with the movable plate through a clamping groove.

Preferably, the front surface of the movable plate is provided with a pull ring, and the bottom of the movable plate is provided with a fixed rod.

Preferably, one side of the core shell is respectively provided with a positive electrode lead and a negative electrode lead, and the joints of the positive electrode lead, the negative electrode lead and the core shell are all provided with rubber sealing plugs.

Preferably, the electrolytic paper is wound outside the guide aluminum foil, and the guide aluminum foil is connected with the heat-conducting insulating elastic rubber pad through a heat-conducting ring.

Compared with the prior art, the utility model has the beneficial effects that: this durable type film capacitor is rational in infrastructure, has following advantage:

1. the heat-insulating film capacitor has the advantages that the epoxy resin coating plays a role in heat insulation, the epoxy resin coating has good insulativity and heat resistance, the influence of external temperature on the film capacitor can be effectively prevented, the aging speed of an organic medium in the film capacitor is reduced, high temperature generated by guiding an aluminum foil is guided and absorbed by the heat-conducting insulating elastic rubber pad, the heat-conducting insulating elastic rubber pad has a good heat conducting effect, and the high temperature generated by guiding the aluminum foil can be quickly guided out, so that the guiding aluminum foil is cooled, the aging speed of the organic medium is reduced, the service life of the film capacitor is prolonged, the durability is enhanced, and the use is more convenient.

2. The temperature of the core shell is absorbed through the red copper sheet, so that the core shell is cooled, elements in the core shell are not influenced by high temperature, the normal operation can be realized, the thin-film capacitor is prevented from being damaged by the high temperature, the red copper sheet is cooled through the cooling plate, more heat can be absorbed by the red copper sheet, a cycle is realized, the cooling effect on the thin-film capacitor is enhanced, the thin-film capacitor can operate for a long time, and the use is more convenient.

3. According to the utility model, moisture generated at the bottom of the film capacitor can be adsorbed through the activated carbon adsorption layer, so that the moisture is prevented from permeating into the film capacitor, the protection of the film capacitor is enhanced, the insulation and electricity isolation effects are realized through the insulation pad, when the film capacitor is damaged and leaked, the film capacitor can be taken up and maintained through the insulation pad, the danger of contact and electric shock is prevented, the safety is enhanced, and the use is convenient.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a side view of the present invention;

FIG. 4 is a partial structural view of the core-shell of the present invention.

In the figure: 1. a fixing plate; 101. a fixing hole; 2. fixing the card holder; 201. a nameplate label; 3. a movable plate; 301. an activated carbon adsorption layer; 302. a pull ring; 4. a cooling plate; 5. an aluminum housing; 501. an insulating pad; 502. a red copper sheet; 6. a core shell; 601. a positive electrode lead; 602. a negative electrode lead; 603. a rubber sealing plug; 604. an epoxy resin coating; 7. guiding the aluminum foil; 701. electrolyzing paper; 8. a heat-conducting insulating elastic rubber pad; 801. a thermally conductive ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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, such as "connected," which may be fixedly connected, 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 meanings 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, an embodiment of the present invention is shown: a durable film capacitor comprises a fixed plate 1, a fixed clamping seat 2, a movable plate 3, a cooling plate 4, an aluminum shell 5, a core shell 6, a guide aluminum foil 7 and a heat-conducting insulating elastic rubber pad 8, wherein a fixed hole 101 is arranged on the front surface of the fixed plate 1 in a penetrating manner, the fixed clamping seat 2 is arranged at the top of the fixed plate 1, a nameplate mark 201 is arranged on the other side of the fixed clamping seat 2, the movable plate 3 is arranged at the bottom of one side of the fixed clamping seat 2, an activated carbon adsorption layer 301 is arranged inside the movable plate 3, a pull ring 302 is arranged on the front surface of the movable plate 3, the cooling plate 4 is arranged at the top of one side of the fixed clamping seat 2, the aluminum shell 5 is arranged at the top of the fixed clamping seat 2, an insulating pad 501 is arranged on the front surface of the aluminum shell 5, a red copper sheet 502 is arranged inside the red copper sheet 502, a core shell 6 is arranged inside the red copper sheet 502, and a positive lead 601 and a negative lead 602 are respectively arranged on one side of the core shell 6, rubber sealing plugs 603 are arranged at the joints of the positive lead 601, the negative lead 602 and the core shell 6, epoxy resin coatings 604 are arranged on the inner wall of the core shell 6, a guide aluminum foil 7 is arranged inside the core shell 6, electrolytic paper 701 is wound outside the guide aluminum foil 7, the guide aluminum foil 7 is connected with a heat-conducting insulating elastic rubber gasket 8 through a heat-conducting ring 801, and the heat-conducting insulating elastic rubber gasket 8 is arranged on the bottom surface and the top surface inside the core shell 6.

Specifically, the inner wall of the core shell 6 is provided with the epoxy resin coating 604, the guiding aluminum foil 7 is arranged inside the core shell 6, the guiding aluminum foil 7 is connected with the heat-conducting insulating elastic rubber gasket 8 through the heat-conducting ring 801, the heat-conducting insulating elastic rubber gasket 8 is arranged on the bottom surface and the top surface inside the core shell 6, the epoxy resin coating 604 has good insulation and heat resistance, the influence of external temperature on the film capacitor can be effectively prevented, the aging speed of the organic medium inside the film capacitor is reduced, the high temperature generated by the guiding aluminum foil 7 is guided and absorbed through the heat-conducting insulating elastic rubber gasket 8, the heat-conducting insulating elastic rubber gasket 8 has good heat-conducting effect, the high temperature generated by the guiding aluminum foil 7 can be quickly guided out, the guiding aluminum foil 7 is cooled, and the aging speed of the organic medium is reduced, the service life of the film capacitor is prolonged, the durability is enhanced, and the use is more convenient;

specifically, the red copper sheet 502 is arranged in the aluminum shell 5, the core shell 6 is arranged in the red copper sheet 502, the cooling plate 4 is arranged at the top of one side of the fixed clamping seat 2, the temperature of the core shell 6 is absorbed through the red copper sheet 502, so that the core shell 6 is cooled, elements in the core shell 6 are not affected by high temperature, normal operation can be realized, the thin film capacitor is prevented from being damaged by high temperature, the red copper sheet 502 is cooled through the cooling plate 4, more heat can be absorbed by the red copper sheet 502, a circulation is achieved, the cooling effect on the thin film capacitor is enhanced, the thin film capacitor can operate for a long time, and the use is convenient;

it is specific, through being equipped with activated carbon adsorption layer 301 in the inside at fly leaf 3, be equipped with insulating pad 501 in the front of aluminum hull 5, the moisture that can produce the film capacitor bottom through activated carbon adsorption layer 301 adsorbs, thereby prevent that moisture from permeating into the inside of film capacitor, strengthen the protection to film capacitor, play insulating effect through insulating pad 501, when film capacitor takes place to harm and reveals, can take up the maintenance with film capacitor through insulating pad 501, prevent the dangerous emergence of contact electric shock, the security of strengthening, it is comparatively convenient to use.

The working principle is as follows: firstly, the good insulation and heat resistance of the epoxy resin coating 604 are utilized, the influence of external temperature on the film capacitor can be effectively prevented, the aging speed of organic media in the film capacitor is reduced, the heat-conducting insulating elastic rubber pad 8 is used for conducting guiding absorption on high temperature generated by the guiding aluminum foil 7, the heat-conducting insulating elastic rubber pad 8 has a good heat-conducting effect, and the high temperature generated by the guiding aluminum foil 7 can be quickly guided out, so that the guiding aluminum foil 7 is cooled, the aging speed of the organic media is reduced, and the service life of the film capacitor is prolonged;

secondly, the temperature of the core shell 6 is absorbed through the red copper sheet 502, so that the core shell 6 is cooled, elements in the core shell 6 are not affected by high temperature, and the red copper sheet 502 is cooled through the cooling plate 4, so that more heat can be absorbed by the red copper sheet 502, and a heat dissipation cycle is achieved;

finally, the moisture that can produce the film capacitor bottom through active carbon adsorption layer 301 adsorbs to prevent that moisture from permeating into the inside of film capacitor, play insulating effect through insulating pad 501, when film capacitor takes place to damage and reveals, can take up the maintenance with film capacitor through insulating pad 501, prevent to electrocute.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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. The utility model provides a durable type film capacitor, includes fixed plate (1), fixed cassette (2), fly leaf (3), cooling plate (4), aluminum hull (5), core shell (6), guide aluminium foil (7), heat conduction insulating elastic rubber pad (8), its characterized in that: the top of fixed plate (1) is equipped with fixed cassette (2), one side bottom of fixed cassette (2) is equipped with fly leaf (3), the inside of fly leaf (3) is equipped with activated carbon adsorption layer (301), one side top of fixed cassette (2) is equipped with cooling plate (4), the top of fixed cassette (2) is equipped with aluminum hull (5), the front of aluminum hull (5) is equipped with insulating pad (501), the inside of aluminum hull (5) is equipped with red copper sheet (502), the inside of red copper sheet (502) is equipped with core shell (6), the inner wall of core shell (6) all is equipped with epoxy coating (604), the inside of core shell (6) is equipped with guide aluminium foil (7), the inside bottom surface and the top surface of core shell (6) all are equipped with heat conduction insulating elastic rubber pad (8).

2. A durable film capacitor as claimed in claim 1, wherein: the front surface of the fixing plate (1) is provided with a fixing hole (101) in a penetrating mode, and spiral threads are arranged inside the fixing hole (101).

3. A durable film capacitor as claimed in claim 1, wherein: the other side of the fixed clamping seat (2) is provided with a nameplate mark (201), and the fixed clamping seat (2) is connected with the movable plate (3) through a clamping groove.

4. A durable film capacitor as claimed in claim 1, wherein: the front surface of the movable plate (3) is provided with a pull ring (302), and the bottom of the movable plate (3) is provided with a fixed rod.

5. A durable film capacitor as claimed in claim 1, wherein: and a positive lead (601) and a negative lead (602) are respectively arranged on one side of the core shell (6), and rubber sealing plugs (603) are arranged at the joints of the positive lead (601), the negative lead (602) and the core shell (6).

6. A durable film capacitor as claimed in claim 1, wherein: electrolytic paper (701) is wound outside the guide aluminum foil (7), and the guide aluminum foil (7) is connected with the heat-conducting insulating elastic rubber pad (8) through a heat-conducting ring (801).