Aluminum electrolytic capacitor with anti-corrosion aluminum foil

Abstract

The utility model relates to the technical field of aluminum electrolytic capacitors, in particular to an aluminum electrolytic capacitor with an anti-corrosion aluminum foil. The electrolytic capacitor comprises an electrolytic capacitor body, two pins are installed in the electrolytic capacitor body, the arc surface of the electrolytic capacitor body is sleeved with a first clamping plate, the first clamping plate is hinged to a second clamping plate, and the surface of the first clamping plate is in threaded connection with two threaded rods. The inner surface of the first clamping plate is fixedly connected with a rubber pad, the inner surface of the second clamping plate is fixedly connected with a rubber pad, the surface of the electrolytic capacitor body is sleeved with an insulating layer, the insulating layer is attached to the rubber pads, the arc surface of the pin is provided with an insulating sleeve, and the insulating sleeve is in sliding connection with the electrolytic capacitor. The insulating sleeve is made of silica gel. The problem that the performance and the service life of the capacitor are affected due to the fact that the aluminum foil of the aluminum electrolytic capacitor is easy to corrode in some severe environments is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminum electrolytic capacitor technical field especially relates to a kind of aluminum electrolytic capacitor with anticorrosive aluminum foil. BACKGROUND

[0002] Aluminum electrolytic capacitor is one of the earliest commercial application capacitors, after years of development and improvement, widely used in electronic equipment, with the continuous progress of electronic technology, its performance and reliability are also increasingly high.

[0003] A kind of novel high-temperature-resistant anticorrosive aluminum electrolytic capacitor is disclosed in one of Chinese patents of Chinese patent application CN202120629565.1, and its technical scheme main points are as follows: including aluminum shell, the bottom of aluminum shell is fixedly connected with base, the inner wall of the top of aluminum shell is fixedly connected with limit slot, the top of one end of limit slot is fixedly connected with positive electrode lead, the outer wall of the bottom end of positive electrode lead is fixedly connected with positive electrode coating, the top of the other end of limit slot is fixedly connected with negative electrode lead, the outer wall of the bottom end of negative electrode lead is fixedly connected with negative electrode coating, the bottom of negative electrode lead is fixedly connected with rubber sealing plug, the inner wall top of rubber sealing plug is fixedly connected with support block, the bottom of support block is fixedly connected with shock-absorbing block, the inner wall of positive electrode aluminum foil is movably connected with positive electrode electrolytic paper, in the utility model, through the setting of heat dissipation fan and the closed overall structure, the resistance of aluminum electrolytic capacitor to external corrosive substances is improved, the high temperature generated in it can also be timely excluded in order, and the safety of the whole is improved.

[0004] For the above and existing related technologies, the inventor believes that the following defects often exist: aluminum electrolytic capacitor is easily corroded in some harsh environments, which affects the performance and service life of the capacitor;Therefore, a kind of aluminum electrolytic capacitor with anticorrosive aluminum foil is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings that aluminum electrolytic capacitor is easily corroded in some harsh environments in prior art, and proposes a kind of aluminum electrolytic capacitor with anticorrosive aluminum foil.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of aluminum electrolytic capacitor with anticorrosive aluminum foil, including electrolytic capacitor body, two pins are installed in the electrolytic capacitor body, the arc surface of electrolytic capacitor body is sleeved with first clamping plate, the first clamping plate is hinged with second clamping plate, the surface of first clamping plate is connected with two threaded rods in screw thread.

[0007] The effect achieved by the above components is that by covering the electrolytic capacitor body with the first clamping plate and the second clamping plate, the electrolytic capacitor body is protected, avoiding the electrolytic capacitor body from being eroded by external high humidity or corrosive gas, leading to a decrease in the sealing performance of the capacitor, and further avoiding the internal components from being eroded by moisture, thereby greatly improving the service life and stability of the electrolytic capacitor body.

[0008] Preferably, the inner surface of the first clamping plate is fixedly connected with a rubber pad, and the inner surface of the second clamping plate is fixedly connected with a rubber pad.

[0009] The effect achieved by the above components is that the rubber pads in the first clamping plate and the second clamping plate improve the fit of the first clamping plate and the second clamping plate with the electrolytic capacitor body, making the electrolytic capacitor body more stable when protected.

[0010] Preferably, the surface of the electrolytic capacitor body is sleeved with an insulating layer, and the insulating layer is fitted with the rubber pad.

[0011] The effect achieved by the above components is that by setting the insulating layer, the electrolytic capacitor body is insulated and protected, improving the practicality of the device.

[0012] Preferably, an insulating sleeve is mounted on the circular surface of the pin, the insulating sleeve is in sliding connection with the electrolytic capacitor, and the material of the insulating sleeve is silica gel.

[0013] The effect achieved by the above components is that the pin is easily mounted inside the electrolytic capacitor body, improving the practicality of the device.

[0014] Preferably, a heat-conducting sheet is fixedly connected to the surface of the electrolytic capacitor body, and the heat-conducting sheet is a heat-conducting silica gel sheet.

[0015] The effect achieved by the above components is that by setting the heat-conducting sheet, the electrolytic capacitor body is guided in heat, improving the practicality of the device.

[0016] Preferably, the surface of the electrolytic capacitor body is sleeved with an explosion-proof sleeve.

[0017] The effect achieved by the above components is that by setting the explosion-proof sleeve, the top of the electrolytic capacitor body is protected, avoiding the top of the electrolytic capacitor body from being crushed and cracked, improving the practicality of the device.

[0018] Preferably, two support plates are fixedly connected to the surface of the electrolytic capacitor body, and the surface of the support plate is provided with a wave pattern.

[0019] The effect achieved by the above components is that the support plate is arranged to assist the support of the electrolytic capacitor body, thereby improving the practicability of the device.

[0020] In summary, the beneficial effects of the present application are:

[0021] In the present application, the first clamping plate and the second clamping plate are wrapped around the electrolytic capacitor body, thereby achieving the effect of protecting the electrolytic capacitor body from external high humidity or corrosive gas erosion, which can cause the sealing performance of the capacitor to decrease, and further avoid the internal components from being eroded by moisture, thereby greatly improving the service life and stability of the electrolytic capacitor body. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0023] Figure 2 is a schematic diagram of the structure of the first clamping plate in the present application;

[0024] Figure 3 is an enlarged view of A in the present application; Figure 1

[0025] Figure 4 is a schematic diagram of the structure of the pin in the present application.

[0026] Legend: 1, electrolytic capacitor body; 2, pin; 3, first clamping plate; 4, second clamping plate; 5, threaded rod; 6, explosion-proof sleeve; 7, insulating layer; 8, insulating sleeve; 9, heat-conducting sheet; 10, support plate. DETAILED DESCRIPTION

[0027] Referring to Figures 1-4 ​The utility model provides a technical scheme: an aluminum electrolytic capacitor with anticorrosive aluminum foil, including electrolytic capacitor body 1, install two pins 2 in electrolytic capacitor body 1, the arc surface of electrolytic capacitor body 1 is covered with first clamping plate 3, first clamping plate 3 is hinged with second clamping plate 4, the surface of first clamping plate 3 is connected with two threaded rods 5, by covering first clamping plate 3 and second clamping plate 4 on electrolytic capacitor body 1, reach the effect of protection to electrolytic capacitor body 1, avoid the electrolytic capacitor body 1 to be subjected to the corrosion of external high humidity or corrosive gas, lead to the decline of electric capacity tightness, then avoid internal element to be eroded by moisture etc., greatly improve the service life and stability of electrolytic capacitor body 1, the inner surface of first clamping plate 3 is fixedly connected with rubber pad, the inner surface of second clamping plate 4 is fixedly connected with rubber pad, the rubber pad in first clamping plate 3 and second clamping plate 4, improve the adhesion of first clamping plate 3 and second clamping plate 4 and electrolytic capacitor body 1, make electrolytic capacitor body 1 more stable when being protected, the surface of electrolytic capacitor body 1 is covered with insulating layer 7, and the insulating layer 7 is attached to the rubber pad, by setting insulating layer 7, reach the effect of insulation protection to electrolytic capacitor body 1, improve the practicability of device, the arc surface of pin 2 is installed with insulating sleeve 8, and the insulating sleeve 8 is slidably connected with the electrolytic capacitor, and the material of insulating sleeve 8 is silica gel material, reach the convenience of installing pin 2 in the inside of electrolytic capacitor body 1, improve the practicability of device, the surface of electrolytic capacitor body 1 is fixedly connected with heat conduction sheet 9, and heat conduction sheet 9 is heat conduction silica gel sheet, by setting heat conduction sheet 9, reach the effect of heat guidance to electrolytic capacitor body 1, improve the practicability of device, the surface of electrolytic capacitor body 1 is covered with explosion-proof sleeve 6, by setting explosion-proof sleeve 6, reach the effect of protection to the top of electrolytic capacitor body 1, avoid the top of electrolytic capacitor body 1 to be extruded and crack, improve the practicability of device, the surface of electrolytic capacitor body 1 is fixedly connected with two support plates 10, and the surface of support plate 10 is provided with wave lines, by setting support plate 10, reach the effect of auxiliary support to electrolytic capacitor body 1, improve the practicability of device.

[0028] Working principle: When workers need to protect the electrolytic capacitor body 1 from corrosion, they first place the insulating layer 7 on the electrolytic capacitor body 1. Then, they attach the rubber pad on the second clamping plate 4 to the insulating layer 7. The first clamping plate 3 is then attached to the insulating layer 7 via a hinge. The threaded rod 5 is rotated within the first clamping plate 3 until it is threadedly connected to the second clamping plate 4. This achieves stability when the first clamping plate 3 and the second clamping plate 4 are connected. By covering the electrolytic capacitor body 1 with the first clamping plate 3 and the second clamping plate 4, the electrolytic capacitor body 1 is protected. This prevents the electrolytic capacitor body 1 from being corroded by external high humidity or corrosive gases, which would reduce the capacitor's sealing performance. Furthermore, it prevents internal components from being corroded by moisture, greatly improving the service life and stability of the electrolytic capacitor body.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

Claims

1. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil, comprising an electrolytic capacitor body (1), characterized in that: The electrolytic capacitor body (1) has two pins (2) installed inside. The arc surface of the electrolytic capacitor body (1) is fitted with a first clamping plate (3). The first clamping plate (3) is hinged to a second clamping plate (4). The surface of the first clamping plate (3) is threaded with two threaded rods (5).

2. The aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: A rubber pad is fixedly connected to the inner surface of the first clamping plate (3), and a rubber pad is fixedly connected to the inner surface of the second clamping plate (4).

3. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: The surface of the electrolytic capacitor body (1) is covered with an insulating layer (7), which is attached to the rubber pad.

4. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: An insulating sleeve (8) is installed on the arc surface of the pin (2). The insulating sleeve (8) is slidably connected to the electrolytic capacitor. The insulating sleeve (8) is made of silicone.

5. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: A heat-conducting sheet (9) is fixedly connected to the surface of the electrolytic capacitor body (1), and the heat-conducting sheet (9) is a heat-conducting silicone sheet.

6. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: The surface of the electrolytic capacitor body (1) is covered with an explosion-proof sleeve (6).

7. An aluminum electrolytic capacitor with corrosion-resistant aluminum foil according to claim 1, characterized in that: Two support plates (10) are fixedly connected to the surface of the electrolytic capacitor body (1), and the surface of the support plates (10) is provided with a wave pattern.

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