CN210296132U

CN210296132U - Low-impedance electrolytic capacitor

Info

Publication number: CN210296132U
Application number: CN201921326459.5U
Authority: CN
Inventors: 马应烽
Original assignee: Shenhzne Kingsource Technology Co ltd
Current assignee: Shenhzne Kingsource Technology Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-10
Anticipated expiration: 2029-08-15

Abstract

The utility model discloses a low impedance electrolytic capacitor, dielectric between positive plate, negative plate, diaphragm, capacitor case and positive plate and the negative plate still includes the activated carbon layer, the equal fixed mounting of positive plate and negative plate is in capacitor case, the outside of positive plate and negative plate all with electric wire electric connection, the diaphragm is located between positive plate and the negative plate, and the corresponding inboard of positive plate and negative plate all is provided with the activated carbon layer. Through all being provided with the activated carbon layer in the corresponding inboard of positive plate and negative plate, the dielectric contact between activated carbon layer and positive plate and the negative plate, further improvement capacitance value and heavy current charge-discharge ability to make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting. The activated carbon layer is provided with the activated carbon layer protrusions, so that the contact area of the activated carbon layer and a dielectric medium between the positive plate and the negative plate is increased, and the capacitance value and the large-current charging and discharging capacity are further improved.

Description

Low-impedance electrolytic capacitor

Technical Field

The utility model relates to the field of circuits, in particular to a low-impedance electrolytic capacitor.

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 anode is a metal substrate adhered with an oxide film, and the cathode is connected with electrolyte through a metal polar plate.

The existing low-impedance electrolytic capacitor cannot further improve the capacitance value and the large-current charging and discharging capacity due to size limitation, so that the high-voltage resistance is poor due to the limited space between electrode plates, and therefore, a novel low-impedance aluminum electrolytic capacitor is needed to be designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low impedance electrolytic capacitor to solve the problem that proposes among 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 low impedance electrolytic capacitor, includes positive plate, negative plate, diaphragm piece, capacitor case and the dielectric between positive plate and the negative plate, still includes the activated carbon layer, the equal fixed mounting of positive plate and negative plate in capacitor case, the outside of positive plate and negative plate all with electric wire electric connection, the diaphragm piece is located between positive plate and the negative plate, the corresponding inboard of positive plate and negative plate all is provided with the activated carbon layer.

As a further aspect of the present invention: the activated carbon layer is provided with activated carbon layer protrusions.

As a further aspect of the present invention: the activated carbon layer bulges in a T shape.

As a further aspect of the present invention: the diaphragm is made by different materials, and the diaphragm is connected with the dwang, dwang one end fixed connection at capacitor case's inner wall, and the other end of dwang is located the capacitor case outside.

As a further aspect of the present invention: the dwang that is located the capacitor case outside is provided with the handle.

As a further aspect of the present invention: the handle is provided with a bulge.

Compared with the prior art, the beneficial effects of the utility model are that: through all being provided with the activated carbon layer in the corresponding inboard of positive plate and negative plate, the dielectric contact between activated carbon layer and positive plate and the negative plate, further improvement capacitance value and heavy current charge-discharge ability to make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting. It is protruding through being provided with the activated carbon layer on the activated carbon layer for the area of contact of the dielectric between activated carbon layer and positive plate and the negative plate has obtained the increase, further improvement capacitance value and heavy current charge-discharge ability, thereby make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting.

Drawings

FIG. 1 is a schematic diagram of a low impedance electrolytic capacitor.

FIG. 2 is a schematic diagram of an activated carbon layer in a low impedance electrolytic capacitor.

In the figure: 1-positive plate, 2-negative plate, 3-activated carbon layer, 4-activated carbon layer bulge, 5-diaphragm sheet, 6-rotating rod, 7-handle, 8-wire and 9-capacitor shell.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Example 1

Referring to fig. 1-2, a low-impedance electrolytic capacitor includes a positive plate 1, a negative plate 2, a separator sheet 5, a capacitor case 9, a dielectric medium between the positive plate and the negative plate, and an activated carbon layer 3, wherein the positive plate 1 and the negative plate 2 are both fixedly mounted in the capacitor case, the outer sides of the positive plate 1 and the negative plate 2 are both electrically connected with an electric wire 8, the separator sheet 5 is located between the positive plate 1 and the negative plate 2, and the corresponding inner sides of the positive plate 1 and the negative plate 2 are both provided with the activated carbon layer 3; through all being provided with activated carbon layer 3 in the inboard that positive plate 1 and negative plate 2 are corresponding, the dielectric contact between activated carbon layer 3 and positive plate and the negative plate, further improvement capacitance value and heavy current charge-discharge ability to make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting.

The activated carbon layer 3 is provided with an activated carbon layer bulge 4; through being provided with activated carbon layer arch 4 on activated carbon layer 3 for the area of contact of the dielectric between activated carbon layer 3 and positive plate and the negative plate has obtained the increase, further improvement capacitance value and heavy current charge-discharge ability, thereby make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting.

The specific shape of the activated carbon layer protrusion 4 is not limited, and in this embodiment, preferably, the activated carbon layer protrusion 4 is T-shaped; the shape of the protrusion 4 of the activated carbon layer is set into a T shape, so that the contact area of the activated carbon layer 3 and a dielectric medium between the positive plate and the negative plate is increased, the capacitance value and the large-current charging and discharging capacity are further improved, and the high-voltage resistance of the low-impedance electrolytic capacitor is improved.

Example 2

In order to change the capacitance of the low-impedance electrolytic capacitor, the present embodiment is further improved on the basis of embodiment 1, wherein the diaphragm 5 is made of different materials, the diaphragm 5 is connected with the rotating rod 6, one end of the rotating rod 6 is fixedly connected to the inner wall of the capacitor shell 9, and the other end of the rotating rod 6 is located outside the capacitor shell 9; the rotation of the rotation lever 6 changes the material of the separator sheet 5 corresponding to the positive electrode plate 1 and the negative electrode plate 2, so that the capacitance of the low impedance electrolytic capacitor can be changed.

The rotating rod 6 located outside the capacitor case 9 is provided with the handle 7, and the handle 7 is arranged on the rotating rod 6 located outside the capacitor case 9, so that the rotating rod 6 can rotate more easily, the materials of the diaphragm sheets 5 corresponding to the positive plate 1 and the negative plate 2 are changed, and the capacitance of the low-impedance electrolytic capacitor can be changed.

The handle 7 is provided with a protrusion, and the protrusion is arranged on the handle 7 arranged on the rotating rod 6 positioned outside the capacitor shell 9, so that the rotating rod 6 can rotate more easily, the material of the diaphragm 5 corresponding to the positive plate 1 and the negative plate 2 is changed, and the capacitance of the low-impedance electrolytic capacitor can be changed.

The utility model discloses a theory of operation is: through all being provided with activated carbon layer 3 in the inboard that positive plate 1 and negative plate 2 are corresponding, the dielectric contact between activated carbon layer 3 and positive plate and the negative plate, further improvement capacitance value and heavy current charge-discharge ability to make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting. Through being provided with activated carbon layer arch 4 on activated carbon layer 3 for the area of contact of the dielectric between activated carbon layer 3 and positive plate and the negative plate has obtained the increase, further improvement capacitance value and heavy current charge-discharge ability, thereby make low impedance electrolytic capacitor's high pressure resistant ability obtain promoting. The shape of the protrusion 4 of the activated carbon layer is set into a T shape, so that the contact area of the activated carbon layer 3 and a dielectric medium between the positive plate and the negative plate is increased, the capacitance value and the large-current charging and discharging capacity are further improved, and the high-voltage resistance of the low-impedance electrolytic capacitor is improved. The diaphragm 5 is made of different materials, the diaphragm 5 is connected with the rotating rod 6, one end of the rotating rod 6 is fixedly connected to the inner wall of the capacitor shell 9, and the other end of the rotating rod 6 is positioned outside the capacitor shell 9; the rotation of the rotation lever 6 changes the material of the separator sheet 5 corresponding to the positive electrode plate 1 and the negative electrode plate 2, so that the capacitance of the low impedance electrolytic capacitor can be changed. By providing the handle 7 at the rotating lever 6 outside the capacitor case 9, the rotating lever 6 is made to rotate more easily, and the material of the separator 5 corresponding to the positive electrode plate 1 and the negative electrode plate 2 is changed, so that the capacitance of the low impedance electrolytic capacitor can be changed.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a low impedance electrolytic capacitor, includes positive plate (1), negative plate (2), diaphragm piece (5), capacitor case (9) and the dielectric between positive plate and the negative plate, its characterized in that still includes activated carbon layer (3), the equal fixed mounting in capacitor case of positive plate (1) and negative plate (2), the outside of positive plate (1) and negative plate (2) all with electric wire (8) electric connection, diaphragm piece (5) are located between positive plate (1) and negative plate (2), and the corresponding inboard of positive plate (1) and negative plate (2) all is provided with activated carbon layer (3).

2. Low impedance electrolytic capacitor according to claim 1, characterised in that the activated carbon layer (3) is provided with activated carbon layer protrusions (4).

3. Low impedance electrolytic capacitor according to claim 2, characterised in that the activated carbon layer protrusions (4) are T-shaped.

4. The low impedance electrolytic capacitor of claim 1 wherein the diaphragm (5) is made of a different material, the diaphragm (5) being connected to a rotatable lever (6), one end of the rotatable lever (6) being fixedly attached to the inside wall of the capacitor housing (9), the other end of the rotatable lever (6) being located outside the capacitor housing (9).

5. Low impedance electrolytic capacitor according to claim 4, characterised in that the swivelling levers (6) outside the capacitor housing (9) are provided with a handle (7).

6. Low impedance electrolytic capacitor according to claim 5, characterized in that the handle (7) is provided with a protrusion.