Capacitor shell and capacitor

Through the double-layer outer shell structure and reinforcement rib design, the problem of the capacitor shell prone to deform under external pressure is solved, and higher safety and heat dissipation efficiency are achieved to ensure the stable operation of the capacitor.

CN223273126UActive Publication Date: 2025-08-26TIANJIN XUANBO POWER ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422172898.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-05
Publication Date
2025-08-26
Estimated Expiration
2034-09-05

AI Technical Summary

Technical Problem

The existing capacitor housing has low strength and is prone to deformation under external pressure, resulting in leakage or explosion of the internal capacitor, and poor safety.

Method used

A double-layer shell structure is adopted, including an outer shell and an inner shell, and reinforcement ribs are provided inside the outer shell, the inner shell is fixedly connected to the elastic member, the external mounting components are used for fixing and protection, and a heat dissipation structure and protective components are arranged between the inner shell to enhance protection and heat dissipation.

Benefits of technology

It improves the strength and safety of the capacitor housing, reduces the probability of deformation, prevents leakage and explosion of the internal capacitor, and ensures the normal operation of the capacitor.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223273126U_ABST
    Figure CN223273126U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of capacitors, in particular to a capacitor shell and a capacitor, the capacitor shell comprises an outer shell, an inner shell, a shielding assembly and an installation assembly, the inner shell is arranged in the outer shell, and a plurality of groups of reinforcing ribs are fixedly installed on the inner side wall of the outer shell; compared with a conventional capacitor shell which is generally low in strength, the capacitor shell is easy to deform under the condition of external pressure, so that an internal capacitor leaks and even explodes, and the safety is poor; according to the utility model, the double-layer structure of the outer shell and the inner shell is arranged, the capacitor in the inner shell is protected, the outer shell bears pressure when external pressure is manually applied, the capacitor in the inner shell is not influenced even if the outer shell deforms, and the strength of the outer shell is improved and the probability of deformation of the outer shell is reduced through the arrangement of the reinforcing ribs.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a capacitor housing and a capacitor. Background Art

[0002] Capacitors are an electronic component widely used in electronic circuits. They are mainly used to store charge and electrical energy and release these charges when needed. The capacitor housing is mainly used to protect and encapsulate the internal structure of the capacitor to ensure the normal operation of the capacitor.

[0003] Current capacitor casings are generally weak and easily deformed when subjected to external pressure, causing leakage or even explosion of the capacitor inside, resulting in poor safety.

[0004] Therefore, in view of the fact that the current capacitor housings are usually of low strength and easily deformed when subjected to external pressure, causing leakage of the internal capacitors or even explosion, resulting in poor safety, a capacitor housing can be designed that protects the internal capacitors through a double-layer shell structure to reduce the probability of the capacitors being directly impacted. Utility Model Content

[0005] In order to overcome the problem that the current capacitor shell is usually low in strength and easily deformed when subjected to external pressure, causing the internal capacitor to leak or even explode, resulting in poor safety.

[0006] The technical solution of the utility model is: a capacitor housing, comprising an outer shell, an inner shell, a shielding assembly and an installation assembly, the inner shell is arranged inside the outer shell, a plurality of groups of reinforcing ribs are fixedly installed on the inner side wall of the outer shell, the shielding assembly is arranged above the outer shell, and the installation assembly is arranged on the periphery of the outer shell.

[0007] Preferably, the inner shell inside is protected by providing an outer shell, a second layer of protection is provided by providing an inner shell, the strength of the outer shell can be improved by providing reinforcing ribs, the interior of the outer shell can be shielded by providing a shielding component, and the outer shell can be installed on an external device by providing an installation component.

[0008] Preferably, the periphery of the inner shell is provided with a plurality of groups of heat dissipation textures, and the side wall of the outer shell is reserved with a plurality of groups of through heat dissipation holes; by providing the heat dissipation textures, the heat dissipation area can be increased and the heat dissipation efficiency can be improved, and by providing the heat dissipation holes, the heat dissipated by the heat dissipation textures can be discharged from the outer shell in time.

[0009] Preferably, a plurality of sets of elastic parts are fixedly installed inside the outer shell, the inner shell is located inside the elastic parts, and the inner shell is fixedly connected to the elastic parts; by arranging the elastic parts, the inner shell can be fixed inside the outer shell, and absorb part of the impact force when hit by external force, thereby reducing the impact on the inner shell.

[0010] Preferably, the shielding assembly includes a convex ring, a slot, a block and a top cover. The convex ring is fixedly installed on the periphery of the outer shell. The upper surface of the convex ring is provided with multiple groups of slots. The top cover is arranged above the convex ring. Multiple groups of blocks are fixedly installed below the top cover. The blocks and the slots correspond to each other. The blocks are located inside the slots. The top cover and the convex ring are connected through the blocks and the slots. The top cover is supported by setting the convex ring, and the top cover can be fixed above the convex ring by setting the blocks and the slots. The top cover is provided to shield and protect the interior of the outer shell.

[0011] Preferably, the mounting assembly includes a mounting plate and reserved holes. The mounting plate is fixedly mounted on the periphery of the outer shell, and a plurality of groups of through reserved holes are provided on the surface of the mounting plate. The outer shell is installed through the mounting plate, and the entire device can be fixedly mounted using bolts by setting the reserved holes.

[0012] A capacitor includes a capacitor housing as described above, which also includes a capacitor core, wiring pins, a thermally conductive insulation layer and a protective component. The capacitor core is fixedly installed inside the inner housing, and a thermally conductive insulation layer is provided between the capacitor core and the inner housing. The wiring pins are provided above the capacitor core, and two groups of wiring pins are provided. The wiring pins pass through the top cover; by providing a thermally conductive insulation layer to isolate the capacitor core and the inner housing, on the one hand, the current generated in the capacitor core can be effectively isolated from the inner housing, and on the other hand, when the electric heating core generates heat, the heat can be transferred to the inner housing for heat dissipation; by providing wiring pins, external circuits can be connected.

[0013] Preferably, the protective assembly includes a protective cover, a partition, a baffle and a wire threading hole. The protective cover is fixedly installed above the top cover, the protective cover is located on the periphery of the two groups of wiring pins, the partition is fixedly installed inside the protective cover, the baffle is set on one side of the protective cover, the baffle is rotatably connected to the protective cover, and the side of the baffle is provided with two groups of penetrating wire threading holes; by setting the protective cover, the two groups of wiring pins inside can be protected, and by setting the partition, the two groups of wiring pins in the protective cover can be separated to prevent mutual influence, and by setting the baffle, the inside of the protective cover is shielded and protected, and wiring work is facilitated, and by setting the wire threading holes, wiring space can be provided for external lines.

[0014] Beneficial effects of the utility model:

[0015] 1. Compared with existing capacitor shells, which are generally weaker in strength and easily deformed when subjected to external pressure, causing leakage or even explosion of the capacitor inside, resulting in poor safety. The present invention provides a double-layer structure of outer shell and inner shell to protect the capacitor inside the inner shell. When manual external pressure is applied, the outer shell withstands the pressure and even if it deforms, it does not affect the capacitor inside the inner shell. The outer shell is also strengthened by the provision of reinforcing ribs, reducing the probability of deformation of the outer shell.

[0016] 2. The inner shell can be fixed to the inside of the outer shell through the elastic member, and absorb part of the impact force when it is hit by external force, reducing the impact on the inner shell;

[0017] 3. The protective cover can protect the two sets of wiring pins inside, and the partition can separate the two sets of wiring pins inside the protective cover to prevent mutual influence, thereby ensuring the safety of the line interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 Shown is a schematic diagram of the three-dimensional structure of the capacitor housing of the present invention with the top cover opened;

[0019] Figure 2 Shown is a schematic diagram of the exploded three-dimensional structure of the capacitor housing of the present invention;

[0020] Figure 3 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the capacitor housing of the present invention;

[0021] Figure 4 Shown is a schematic diagram of the three-dimensional structure of the capacitor housing of the present utility model;

[0022] Figure 5 Shown is a schematic diagram of the cross-sectional three-dimensional structure of the capacitor housing and electric heater of the present invention;

[0023] Explanation of the accompanying symbols: 1. Outer shell; 101. Reinforcement rib; 102. Heat dissipation hole; 2. Inner shell; 201. Heat dissipation texture; 3. Elastic part; 401. Protruding ring; 402. Slot; 403. Block; 404. Top cover; 501. Mounting plate; 502. Reserved hole; 6. Capacitor core; 601. Wiring pin; 602. Thermal insulation layer; 701. Protective cover; 702. Partition; 703. Baffle; 704. Threading hole. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] See also Figure 1-Figure 3The utility model provides an embodiment: a capacitor housing, comprising an outer shell 1, an inner shell 2, a shielding assembly and an installation assembly, the inner shell 2 is arranged inside the outer shell 1, and multiple groups of reinforcing ribs 101 are fixedly installed on the inner side wall of the outer shell 1, the shielding assembly is arranged above the outer shell 1, and the installation assembly is arranged on the periphery of the outer shell 1; the inner shell 2 inside is protected by the outer shell 1, and a second layer of protection is provided by the inner shell 2. The strength of the outer shell 1 can be improved by arranging the reinforcing ribs 101, the interior of the outer shell 1 can be shielded by arranging the shielding assembly, and the outer shell 1 can be installed on external equipment by arranging the installation assembly.

[0026] See also Figure 1-Figure 3 In this embodiment, the periphery of the inner shell 2 is provided with multiple groups of heat dissipation textures 201, and the side wall of the outer shell 1 is reserved with multiple groups of through heat dissipation holes 102; by providing the heat dissipation texture 201, the heat dissipation area can be increased and the heat dissipation efficiency can be improved. By providing the heat dissipation holes 102, the heat dissipated by the heat dissipation texture 201 can be discharged from the outer shell 1 in time; the interior of the outer shell 1 is fixedly installed with multiple groups of elastic members 3, the inner shell 2 is located inside the elastic member 3, and the inner shell 2 is fixedly connected to the elastic member 3; by providing the elastic member 3, the inner shell 2 can be fixed to the inside of the outer shell 1, and when it is hit by external force, it can absorb part of the impact force and reduce the impact on the inner shell 2; the shielding component includes a convex ring 401, a card slot 402, a card block 403 and a top cover 404, the convex ring 401 is fixedly installed on the periphery of the outer shell 1, and the upper surface of the convex ring 401 is provided with multiple groups of card slots 40 2. The top cover 404 is arranged above the convex ring 401, and multiple groups of clamping blocks 403 are fixedly installed below the top cover 404. The clamping blocks 403 correspond to the clamping slots 402, and the clamping blocks 403 are located inside the clamping slots 402. The top cover 404 and the convex ring 401 are clamped and connected with the clamping blocks 403 and the clamping slots 402; the top cover 404 is supported by the convex ring 401, and the top cover 404 can be fixed above the convex ring 401 by setting the clamping blocks 403 and the clamping slots 402, and the interior of the outer shell 1 is shielded and protected by the top cover 404; the installation component includes a mounting plate 501 and a reserved hole 502, the mounting plate 501 is fixedly installed on the periphery of the outer shell 1, and the surface of the mounting plate 501 is provided with multiple groups of through reserved holes 502; the outer shell 1 is installed through the mounting plate 501, and the entire device can be fixed and installed with bolts by setting the reserved holes 502.

[0027] See also Figure 4-Figure 5In this embodiment, it includes a capacitor housing as described above, which also includes a capacitor core 6, a wiring pin 601, a thermally conductive insulating layer 602 and a protective component. The capacitor core 6 is fixedly installed inside the inner housing 2. A thermally conductive insulating layer 602 is provided between the capacitor core 6 and the inner housing 2. The wiring pins 601 are provided above the capacitor core 6. There are two groups of wiring pins 601, and the wiring pins 601 pass through the top cover 404. The capacitor core 6 and the inner housing 2 are isolated by providing the thermally conductive insulating layer 602. On the one hand, the current generated in the capacitor core 6 can be effectively isolated from the inner housing 2. On the other hand, when the electric heating core is heated, the heat can be transferred to the inner housing 2 for heat dissipation. The wiring pins 601 can be connected to an external circuit. The protective component includes a protective cover 701, a partition 702, and a protective cover 703. 02. Baffle 703 and wire threading holes 704. The protective cover 701 is fixedly installed above the top cover 404. The protective cover 701 is located on the periphery of the two groups of wiring pins 601. The partition 702 is fixedly installed inside the protective cover 701. The baffle 703 is arranged on one side of the protective cover 701. The baffle 703 is rotatably connected to the protective cover 701. Two groups of penetrating wire threading holes 704 are provided on the side of the baffle 703. By setting the protective cover 701, the two groups of wiring pins 601 inside can be protected. By setting the partition 702, the two groups of wiring pins 601 in the protective cover 701 can be separated to prevent mutual influence. By setting the baffle 703, the inside of the protective cover 701 is shielded and protected, and wiring work is convenient. By setting the wire threading holes 704, space for wiring external lines can be provided.

[0028] During operation, the outer shell 1 is used to install and protect the inner shell 2. The reinforcing ribs 101 can be used to increase the strength of the outer shell 1 and effectively resist external impact.

[0029] The inner shell 2 is used to install and protect the internal capacitor core 6. The thermally conductive insulating glue filled between the inner shell 2 and the capacitor core 6 can effectively isolate the current generated in the capacitor core 6 from the inner shell 2 on the one hand, and transfer the heat to the inner shell 2 when the electric heating core is heated on the other hand;

[0030] The heat dissipation texture 201 can increase the heat dissipation area and improve the heat dissipation efficiency, and the heat dissipation holes 102 can dissipate heat out of the outer shell 1;

[0031] The wiring pins 601 can be used to connect to external circuits, and the protective cover 701 can be used to protect the internal wiring pins 601. The partition 702 can separate the two groups of wiring pins 601 to prevent mutual interference. The baffle 703 facilitates the wiring of the wiring pins 601 inside the protective cover 701 and shields the interior after the wiring is completed. The threading hole 704 provides space for wiring.

[0032] The entire device can be fixed using the reserved holes 502 on the mounting plate 501 .

[0033] Through the above steps, by providing a double-layer structure of the outer shell 1 and the inner shell 2, the capacitor inside the inner shell 2 is protected. When manual external pressure is applied, the outer shell 1 withstands the pressure, and even if it is deformed, it does not affect the capacitor inside the inner shell 2. The strength of the outer shell 1 is improved by providing the reinforcing ribs 101, and the probability of deformation of the outer shell 1 is reduced, thereby solving the problem that the current capacitor shell is generally low in strength and is easily deformed when subjected to external pressure, causing the internal capacitor to leak or even explode, resulting in poor safety.

[0034] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A capacitor housing, comprising an outer housing (1); characterized in that: It also includes an inner shell (2), a shielding assembly, and a mounting assembly. The inner shell (2) is arranged inside the outer shell (1), a plurality of groups of reinforcing ribs (101) are fixedly mounted on the inner side wall of the outer shell (1), the shielding assembly is arranged above the outer shell (1), and the mounting assembly is arranged on the periphery of the outer shell (1).

2. The capacitor housing according to claim 1, wherein: The periphery of the inner shell (2) is provided with multiple groups of heat dissipation textures (201), and the side wall of the outer shell (1) is reserved with multiple groups of through heat dissipation holes (102).

3. The capacitor housing according to claim 1, wherein: Multiple groups of elastic members (3) are fixedly installed inside the outer shell (1), the inner shell (2) is located inside the elastic members (3), and the inner shell (2) is fixedly connected to the elastic members (3).

4. The capacitor housing according to claim 1, wherein: The shielding assembly comprises a convex ring (401), a card slot (402), a card block (403) and a top cover (404); the convex ring (401) is fixedly mounted on the periphery of the outer shell (1); a plurality of card slots (402) are provided on the upper surface of the convex ring (401); the top cover (404) is arranged above the convex ring (401); a plurality of card blocks (403) are fixedly mounted below the top cover (404); the card blocks (403) correspond to the card slots (402) and the card blocks (403) are located inside the card slots (402); the top cover (404) and the convex ring (401) are connected by engaging with the card slots (402) through the card blocks (403).

5. The capacitor housing according to claim 1, wherein: The mounting assembly comprises a mounting plate (501) and reserved holes (502). The mounting plate (501) is fixedly mounted on the periphery of the outer shell (1). The surface of the mounting plate (501) is provided with a plurality of through reserved holes (502).

6. A capacitor, characterized in that A capacitor housing according to any one of claims 1 to 5, further comprising: a capacitor core (6), wiring pins (601), a thermally conductive insulating layer (602) and a protective component, wherein the capacitor core (6) is fixedly mounted inside the inner housing (2), a thermally conductive insulating layer (602) is provided between the capacitor core (6) and the inner housing (2), the wiring pins (601) are provided above the capacitor core (6), two groups of wiring pins (601) are provided, and the wiring pins (601) pass through the top cover (404).

7. The capacitor according to claim 6, characterized in that: The protective assembly includes a protective cover (701), a partition (702), a baffle (703) and a threading hole (704). The protective cover (701) is fixedly installed above the top cover (404). The protective cover (701) is located on the periphery of the two groups of wiring pins (601). The partition (702) is fixedly installed inside the protective cover (701). The baffle (703) is arranged on one side of the protective cover (701). The baffle (703) is rotatably connected to the protective cover (701). Two groups of threading holes (704) are provided on the side of the baffle (703).