CN212625216U

CN212625216U - High-temperature long-life electrolytic capacitor

Info

Publication number: CN212625216U
Application number: CN202021773876.7U
Authority: CN
Inventors: 高昌仁
Original assignee: Zhaoqing Hengying Electronics Co ltd
Current assignee: Zhaoqing Hengying Electronics Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-02-26
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a high temperature long-life electrolytic capacitor, including the casing, casing bottom outer wall center department integrated into one piece has the barrel, has seted up the draw-in groove on the outer wall of casing top, and the draw-in groove is inside to be bonded there is the bottom of joint on casing bottom outer wall, and it has the rubber layer to bond on casing side inner wall and the bottom inner wall, and bonds on the inner wall of rubber layer side has insulating paper, bonds on the inner wall of insulating paper side has first electrolytic paper, and bonds on the inner wall of first electrolytic paper side has the positive pole paper tinsel, and positive pole paper tinsel side inner wall fan bonds has the second electrolytic paper. The utility model discloses the area of contact of condenser and air can be improved to recess and barrel to accelerate casing conduction heat, be favorable to improving the radiating efficiency of condenser, and receive the voltage formula that surpasss the load at the condenser, the fuse can be blown by too high voltage, thereby can not damage when the protection condenser receives too high voltage, is favorable to improving the practicality of this condenser.

Description

High-temperature long-life electrolytic capacitor

Technical Field

The utility model relates to a condenser technical field especially relates to a high temperature long-life electrolytic capacitor.

Background

A capacitor is an energy storage element used in circuits for tuning, filtering, coupling, bypassing, energy conversion and delay. Capacitors are commonly referred to as capacitors. The capacitor can be divided into a fixed capacitor, a semi-variable capacitor and a variable capacitor according to the structure, and is a general electrolytic capacitor which is made of aluminum materials and has good electrical property, wide application range and high reliability.

At present, the conventional capacitor generates a lot of heat when in use, so that the capacitor is burned out, and meanwhile, if the voltage exceeds the load capacity of the conventional capacitor in the use process, the capacitor is damaged, so that a high-temperature long-life electrolytic capacitor is needed to be designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the existing capacitor in the prior art can generate more heat and the voltage exceeds the load and can damage the capacitor when in use, and providing the electrolytic capacitor with high temperature and long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electrolytic capacitor with high temperature and long service life comprises a shell, a cylinder body is integrally formed at the center of the outer wall of the bottom of the shell, a clamping groove is arranged on the outer wall of the top of the shell, a bottom cover clamped on the outer wall of the bottom of the shell is bonded in the clamping groove, rubber layers are bonded on the inner wall of the side surface of the shell and the inner wall of the bottom, and the inner wall of the side surface of the rubber layer is adhered with insulating paper, the inner wall of the side surface of the insulating paper is adhered with first electrolytic paper, the inner wall of the side surface of the first electrolytic paper is adhered with an anode foil, the inner wall of the side surface of the anode foil is adhered with a second electrolytic paper, and the inner wall of the side surface of the second electrolytic paper is bonded with a cathode foil wound outside the cylinder body, the outer wall of the bottom end of the cathode foil is fan-welded with a cathode sheet extending to the outside of the shell body, the positive plate extending to the outside of the shell is welded on the outer wall of the bottom end of the anode foil, and grooves distributed in an annular structure at equal intervals are formed in the outer wall of the side face of the shell.

Furthermore, an insertion pipe is integrally formed on the outer wall of the top of the bottom cover and is inserted into the barrel.

Furthermore, a clamping block is integrally formed on the outer wall of the top of the bottom cover and is clamped inside the clamping groove.

Furthermore, through holes are formed in two sides of the outer wall of the top of the bottom cover, and the negative plate and the positive plate penetrate through the bottom cover through the through holes and extend to the outside of the shell.

Furthermore, rubber sleeves are bonded on two sides of the outer wall of the top of the bottom cover close to the through holes, and the two rubber sleeves are respectively sleeved outside the negative plate and the positive plate.

Furthermore, the inside packing of casing has sealed piece, and sealed piece is located between bottom top outer wall and the rubber layer bottom outer wall.

Further, the fuse is installed through the bolt in bottom outer wall one side of the bottom, and the fuse is electric connection with the positive plate.

The utility model has the advantages that:

1. through the recess and the barrel that set up, at this condenser during operation, the area of contact of condenser and air can be improved to recess and barrel to casing heat conduction heat is accelerated, is favorable to improving the radiating efficiency of condenser.

2. Through the fuse that sets up, receive the voltage formula that surpasss the load at the condenser, the fuse can be blown by too high voltage to the protection capacitor can not damage when receiving too high voltage, is favorable to improving the practicality of this condenser.

3. Through the rubber layer, insulating paper and the sealed piece that set up, rubber layer and insulating paper have fine waterproof and insulating effect, have guaranteed the stable use of condenser, and the inside sealed piece of casing has improved the leakproofness of condenser simultaneously.

Drawings

FIG. 1 is a front view of a high-temperature long-life electrolytic capacitor according to the present invention;

FIG. 2 is a sectional view of a high-temperature long-life electrolytic capacitor according to the present invention;

FIG. 3 is a schematic view of a housing structure of a high-temperature long-life electrolytic capacitor according to the present invention;

fig. 4 is a schematic structural view of a bottom cover of the high-temperature long-life electrolytic capacitor provided by the present invention.

In the figure: the device comprises a shell 1, a negative plate 2, a positive plate 3, a fuse 4, a groove 5, a cylinder 6, a clamping groove 7, a bottom cover 8, a 9 insertion tube, a rubber sleeve 10, a rubber layer 11, insulating paper 12, first electrolytic paper 13, anode foil 14, second electrolytic paper 15, cathode foil 16, a sealing block 17, a clamping block 18 and a through hole 19.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a high-temperature long-life electrolytic capacitor includes a housing 1, a cylindrical body 6 integrally formed at the center of the bottom outer wall of the housing 1 for increasing the contact area between the housing 1 and air and thus accelerating heat conduction, a neck 7 formed on the top outer wall of the housing 1 for facilitating positioning when the bottom 8 is installed, a bottom cover 8 fastened to the bottom outer wall of the housing 1 and sealing the housing 1, a rubber layer 11 bonded to the side inner wall and the bottom inner wall of the housing 1 for improving the water resistance of the capacitor, an insulating paper 12 bonded to the side inner wall of the rubber layer 11 for improving the sealing performance of the capacitor, a first electrolytic paper 13 bonded to the side inner wall of the insulating paper 12, an anode foil 14 bonded to the side inner wall of the first electrolytic paper 13, a second electrolytic paper 15 bonded to the side inner wall of the anode foil 14, and a cathode foil 16 wound around the outside of the cylindrical body 6 bonded to the side inner wall of the second electrolytic paper 15, first electrolytic paper 13, positive pole paper 14, second electrolytic paper 15 and negative pole paper 16 are used for constituteing the core of this condenser, and the fan welding of the outer wall of negative pole paper 16 bottom has negative pole piece 2 that extends to the outside of casing 1, and the welding has positive plate 3 that extends to the outside of casing 1 on the 14 bottom outer walls of positive pole paper, offers the equidistance on the outer wall of casing 1 side and is the recess 5 that the annular structure distributes, and recess 5 is used for improving the area of contact of casing 1 and air to accelerate this condenser heat dissipation.

Furthermore, an insertion pipe 9 is integrally formed on the outer wall of the top of the bottom cover 8, so that the bottom cover 8 is convenient to be matched with the barrel 6 to position the bottom cover 8 during installation, and the insertion pipe 9 is inserted into the barrel 6.

Further, integrated into one piece has fixture block 18 on the outer wall of bottom 8 top, is convenient for make bottom 8 install on casing 1, and inside fixture block 18 joint was in draw-in groove 7.

Further, through-hole 19 has been seted up to 8 top outer wall both sides of bottom, is convenient for make negative pole piece 2, positive plate 3 pass bottom 8, and negative pole piece 2 and positive plate 3 all run through bottom 8 through-hole 19 and extend to the casing 1 outside.

Further, rubber sleeve 10 has all been bonded to 8 top outer wall both sides of bottom near through-hole 19 departments of bottom, and rubber sleeve 10 tightly pastes in

negative pole piece

2, 3 outsides of positive plate for improve the leakproofness of negative pole piece 2, positive plate 3 in bottom 8 departments, and two rubber sleeves 10 cup joint respectively in

negative pole piece

2 and 3 outsides of positive plate.

Further, the inside of the housing 1 is filled with a sealing block 17, the sealing block 17 can improve the sealing performance of the capacitor, and the sealing block 17 is located between the outer wall of the top of the bottom cover 8 and the outer wall of the bottom of the rubber layer 11.

Further, fuse 4 is installed through the bolt in bottom 8 bottom outer wall one side for when this condenser receives the voltage that exceeds the load, and fuse 4 is electric connection with positive plate 3.

The working principle is as follows: when the capacitor is in use, a worker can connect the capacitor with a circuit to enable the capacitor to be electrified and operated, the lead is connected with the fuse 4 which is connected with the negative plate 2 and the positive plate 3, then when the capacitor is in use, the groove 5 and the cylinder 6 can increase the contact area of the capacitor shell and air, so that the heat conduction of the shell 1 is accelerated, the heat dissipation of the shell 1 is accelerated, the service life of the capacitor is prolonged, meanwhile, when the capacitor is in use, if the capacitor is subjected to voltage exceeding load, the fuse 4 can be burnt by the overhigh voltage due to overhigh voltage, so that the capacitor is powered off, the capacitor is protected from being damaged when being subjected to overhigh voltage, and the rubber layer 11 can play a good waterproof role when the capacitor is used through the arrangement of the seal block 17 and the shell 1, and the insulating paper can play fine insulating effect, and sealed piece 17 can improve the leakproofness of this condenser simultaneously to guaranteed the stable use of condenser.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high temperature long-life electrolytic capacitor, includes casing (1), its characterized in that, casing (1) bottom outer wall center department integrated into one piece has barrel (6), draw-in groove (7) have been seted up on the outer wall of casing (1) top, draw-in groove (7) inside bonding has bottom (8) of joint on casing (1) bottom outer wall, it has rubber layer (11) to bond on casing (1) side inner wall and the bottom inner wall, and bonds on rubber layer (11) side inner wall has insulating paper (12), it has first electrolytic paper (13) to bond on insulating paper (12) side inner wall, and bonds on first electrolytic paper (13) side inner wall has anode foil (14), anode foil (14) side inner wall fan bonds has second electrolytic paper (15), and bonds on second electrolytic paper (15) side inner wall has winding cathode foil (16) outside barrel (6), the fan-welding of negative pole paper tinsel (16) bottom outer wall has negative pole piece (2) that extend to casing (1) outside, the welding has positive plate (3) that extend to casing (1) outside on positive pole paper tinsel (14) bottom outer wall, set up on casing (1) side outer wall equidistance and be recess (5) that the annular structure distributes.

2. A high-temperature long-life electrolytic capacitor as claimed in claim 1, wherein the top outer wall of the bottom cover (8) is integrally formed with an insertion tube (9), and the insertion tube (9) is inserted into the cylindrical body (6).

3. A high-temperature long-life electrolytic capacitor as claimed in claim 1, wherein the top outer wall of the bottom cover (8) is integrally formed with a latch (18), and the latch (18) is latched inside the latch (7).

4. A high-temperature long-life electrolytic capacitor as claimed in claim 1, wherein the bottom cover (8) is provided with through holes (19) on both sides of the top outer wall, and the negative electrode plate (2) and the positive electrode plate (3) extend through the bottom cover (8) to the outside of the case (1) through the through holes (19).

5. A high-temperature long-life electrolytic capacitor as claimed in claim 1, wherein rubber sleeves (10) are bonded to both sides of the outer wall of the top of the bottom cover (8) near the through holes (19), and the two rubber sleeves (10) are respectively sleeved outside the negative plate (2) and the positive plate (3).

6. A high temperature long life electrolytic capacitor according to claim 1, wherein the inside of said case (1) is filled with a sealing block (17), and said sealing block (17) is located between the top outer wall of said bottom cover (8) and the bottom outer wall of said rubber layer (11).

7. A high-temperature long-life electrolytic capacitor as claimed in claim 1, wherein the fuse (4) is mounted on the outer wall side of the bottom cover (8) by bolts, and the fuse (4) is electrically connected to the positive electrode plate (3).