Insulation pad for capacitor

By designing a cylindrical insulating pad, combined with through holes, ventilation grooves, anti-slip inner and outer layers and anti-slip sheets, the problem of insufficient protection performance of the existing insulating bottom pad is solved, and stronger current isolation, installation stability and heat dissipation effects are achieved.

CN222883389UActive Publication Date: 2025-05-16ANHUI SUREPHON CAPACITOR CO LTD
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Patent Information

Application Number
CN202421704954.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-16
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

The insulating bottom pads for existing capacitors are sheet-shaped, with weak protection performance, making it difficult to effectively isolate current and improve the installation stability of the capacitor.

Method used

A cylindrical insulating pad is designed, with a through hole on the bottom plate, a ventilation groove and a ventilation hole on the side plate, and an anti-slip inner and outer layer are provided on the bottom plate, and anti-slip sheets are embedded to enhance friction.

Benefits of technology

Through the design of a cylindrical insulating pad, the current is effectively isolated, the installation stability and anti-slip performance of the capacitor are improved, and the heat dissipation effect is achieved through the ventilation groove and the ventilation hole.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an insulation pad for a capacitor, comprising a bottom plate which is provided with through holes through which the positive and negative electrodes of the capacitor pass; the side plate is arranged at one end of the bottom plate, the side plate and the bottom plate form a barrel shape, a plurality of vent grooves parallel to the axial direction are formed in the inner wall of the side plate at intervals, and a plurality of vent holes communicated with the vent grooves are further formed in the side plate at intervals. According to the utility model, the bottom of the capacitor can be wrapped by the cylindrical insulation pad, so that the whole bottom of the capacitor is protected, on one hand, current is isolated, and the capacitor is prevented from being interfered by the current; and on the other hand, the insulation pad plays a positioning role in the installation process of the capacitor, so that the convenience and the stability of the installation of the capacitor can be improved, and the possibility of loosening and shifting of the welded capacitor is reduced. According to the utility model, through the arrangement of the vent grooves, air circulation is facilitated, and the temperature transmitted to the insulation pad by the capacitor can be quickly diffused, thereby playing a role in heat dissipation.
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Description

Technical Field

[0001] The utility model belongs to the technical field of capacitors, and in particular relates to an insulating pad for capacitors. Background Art

[0002] Capacitors are one of the electronic components used in large quantities in electronic devices and are widely used in circuits.

[0003] After the capacitor is installed on the circuit board, the capacitor is usually in close contact with the circuit board, and only the capacitor shell serves as insulation. The capacitor is still likely to be affected by external current, resulting in damage to the capacitor. Therefore, insulating pads are used in the prior art to protect the capacitor, but ordinary insulating pads are in sheet form and their protection performance for the capacitor is still relatively weak. Utility Model Content

[0004] The utility model aims at solving the problems in the prior art and proposes the following technical solutions:

[0005] The utility model provides an insulating pad for a capacitor, comprising:

[0006] A bottom plate, wherein the bottom plate is provided with through holes for the positive and negative electrodes of the capacitor to pass through;

[0007] The side plate is arranged at one end of the bottom plate, and the two form a cylindrical shape. A plurality of ventilation grooves parallel to the axial direction are arranged at intervals on the inner wall of the side plate, and a plurality of ventilation holes connected with the ventilation grooves are also arranged at intervals on the side plate.

[0008] As a preferred embodiment of the above technical solution, one of the ventilation grooves is connected to a corresponding ventilation hole, and the ventilation grooves and the ventilation holes are evenly distributed along the circumference of the side plate.

[0009] As a preferred embodiment of the above technical solution, the bottom plate includes a base layer, an anti-skid inner layer and an anti-skid outer layer, the anti-skid inner layer is arranged on a side of the base layer close to the side plate, and the anti-skid outer layer is arranged on a side of the base layer away from the side plate.

[0010] As a preferred embodiment of the above technical solution, anti-slip sheets are embedded at opposite ends of the anti-slip inner layer and the anti-slip outer layer.

[0011] As a preferred embodiment of the above technical solution, the anti-skid sheets are spaced and evenly distributed along the circumference of the anti-skid inner layer and the anti-skid outer layer.

[0012] The beneficial effects of the utility model are:

[0013] (1) The utility model can wrap the bottom of the capacitor by setting the insulating pad in a cylindrical shape, thereby protecting the entire bottom of the capacitor: on the one hand, it isolates the current and prevents the capacitor from being disturbed by the current; on the other hand, the insulating pad plays a positioning role during the installation of the capacitor, which can increase the convenience and stability of the capacitor installation and reduce the possibility of loosening and displacement of the capacitor after welding;

[0014] (2) The utility model provides through holes to facilitate the lead-out of the positive and negative electrodes of the capacitor so as to be welded on the circuit board; the ventilation grooves are provided to facilitate the circulation of air, so that the temperature transferred from the capacitor to the insulating pad can be quickly diffused, thereby achieving a heat dissipation effect.

[0015] (3) The utility model provides an anti-skid inner layer and an anti-skid outer layer so that after the capacitor is installed, the anti-skid inner layer contacts the bottom of the capacitor and the anti-skid outer layer contacts the circuit board. Both the anti-skid inner layer and the anti-skid outer layer play a role in increasing the friction with the contact surface, thereby achieving an anti-skid function and increasing the stability of capacitor installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The diagram shows the insulating pad in the embodiment. Figure 1 ;

[0017] Figure 2 Shown is a schematic diagram of a side panel in an embodiment;

[0018] Figure 3 The diagram shows the insulating pad in the embodiment. Figure 2 ;

[0019] Figure 4 What is shown is a schematic diagram of the structure of the bottom plate in the embodiment;

[0020] Figure numerals: 10, bottom plate; 11, base layer; 110, through hole; 12, anti-slip inner layer; 13, anti-slip outer layer; 20, side plate; 21, ventilation groove; 22, ventilation hole; 31, anti-slip sheet. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0022] Example

[0023] like Figure 1 , Figure 2 As shown, Figure 1 The diagram shows the insulating pad in the embodiment. Figure 1 ; Figure 2 Shown is a schematic diagram of a side panel in an embodiment;

[0024] The device includes:

[0025] A bottom plate 10, the bottom plate 10 is provided with through holes 110 for the positive and negative electrodes of the capacitor to pass through;

[0026] The side plate 20 is arranged at one end of the bottom plate 10, and the two form a cylindrical shape. A plurality of ventilation grooves 21 parallel to the axial direction are arranged at intervals on the inner wall of the side plate 20, and a plurality of ventilation holes 22 connected to the ventilation grooves 21 are also arranged at intervals on the side plate 20.

[0027] By setting the insulating pad in a cylindrical shape, the bottom of the capacitor can be wrapped to protect the entire bottom of the capacitor: on the one hand, it isolates the current to prevent the capacitor from being disturbed by the current; on the other hand, the insulating pad plays a positioning role during the installation of the capacitor, which can increase the convenience and stability of the capacitor installation and reduce the possibility of loosening and displacement of the capacitor after welding.

[0028] The through hole 110 is provided so that the positive and negative electrodes of the capacitor can be easily led out and then welded on the circuit board; specifically, one ventilation groove 21 is connected to a corresponding ventilation hole 22, and the ventilation groove 21 and the ventilation hole 22 are evenly distributed along the circumference of the side plate 20;

[0029] The ventilation grooves 21 are provided to facilitate air circulation, and the temperature transferred from the capacitor to the insulating pad can be diffused to the outside through the ventilation grooves 21 and the ventilation holes 22 in sequence, thereby achieving a heat dissipation effect.

[0030] like Figure 3 , Figure 4 As shown, Figure 3 The diagram shows the insulating pad in the embodiment. Figure 2 ; Figure 4 What is shown is a schematic diagram of the structure of the bottom plate in the embodiment;

[0031] The bottom plate 10 includes a base layer 11, an anti-skid inner layer 12 and an anti-skid outer layer 13. The anti-skid inner layer 12 is arranged on a side of the base layer 11 close to the side plate 20, and the anti-skid outer layer 13 is arranged on a side of the base layer 11 away from the side plate 20.

[0032] After the capacitor is installed, the anti-skid inner layer 12 contacts the bottom of the capacitor, and the anti-skid outer layer 13 contacts the circuit board. Both the anti-skid inner layer 12 and the anti-skid outer layer 13 play a role in increasing the friction with the contact surface, thereby achieving the anti-skid function and increasing the stability of the capacitor installation.

[0033] The anti-skid inner layer 12 and the anti-skid outer layer 13 are both inlaid with anti-skid sheets 31 at the opposite ends.

[0034] The bottom plate 10 and the side plate 20 can be made of hard plastic, which has good insulation, high hardness and low cost; the anti-slip sheet 31 is a rubber pad, which has good anti-slip performance, thereby increasing the stability of capacitor installation;

[0035] The anti-skid sheets 31 are spaced and evenly distributed along the circumference of the anti-skid inner layer 12 and the anti-skid outer layer 13 .

[0036] Working principle: The utility model can wrap the bottom of the capacitor by setting the insulating pad in a cylindrical shape, so as to protect the entire bottom of the capacitor: on the one hand, it isolates the current and prevents the capacitor from being disturbed by the current; on the other hand, the insulating pad plays a positioning role in the installation process of the capacitor, which can increase the convenience and stability of the capacitor installation and reduce the possibility of loosening and displacement of the capacitor after welding;

[0037] The ventilation groove 21 is provided to facilitate air circulation, and the temperature transferred from the capacitor to the insulating pad can be quickly diffused, thereby playing a heat dissipation role;

[0038] By setting the anti-skid inner layer 12 and the anti-skid outer layer 13, after the capacitor is installed, the anti-skid inner layer 12 contacts the bottom of the capacitor, and the anti-skid outer layer 13 contacts the circuit board. Both the anti-skid inner layer 12 and the anti-skid outer layer 13 play a role in increasing the friction with the contact surface, thereby achieving the anti-skid function and increasing the stability of the capacitor installation.

[0039] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An insulating pad for a capacitor, characterized in that: include: A bottom plate (10), wherein the bottom plate (10) is provided with through holes (110) for the positive and negative electrodes of the capacitor to pass through; A side plate (20), the side plate (20) being arranged at one end of the bottom plate (10), the two forming a cylindrical shape, a plurality of ventilation grooves (21) parallel to the axial direction being arranged at intervals on the inner wall of the side plate (20), and a plurality of ventilation holes (22) connected to the ventilation grooves (21) being arranged at intervals on the side plate (20).

2. The insulating pad for capacitor according to claim 1, characterized in that: One of the ventilation grooves (21) is connected to a corresponding ventilation hole (22), and the ventilation grooves (21) and the ventilation holes (22) are evenly distributed along the circumference of the side plate (20).

3. The insulating pad for capacitor according to claim 2, characterized in that: The bottom plate (10) comprises a base layer (11), an anti-skid inner layer (12) and an anti-skid outer layer (13); the anti-skid inner layer (12) is arranged on a side of the base layer (11) close to the side plate (20), and the anti-skid outer layer (13) is arranged on a side of the base layer (11) away from the side plate (20).

4. The insulating pad for capacitor according to claim 3, characterized in that: Anti-slip sheets (31) are embedded at opposite ends of the anti-slip inner layer (12) and the anti-slip outer layer (13).

5. The capacitor insulating pad according to claim 4, characterized in that: The anti-skid sheets (31) are spaced and evenly distributed along the circumference of the anti-skid inner layer (12) and the anti-skid outer layer (13).