Capacitor with long service life

Abstract

The utility model relates to the technical field of capacitors, and discloses a long-life capacitor which comprises a capacitor shell, a capacitor body is fixedly arranged in the capacitor shell, electrodes are fixedly arranged on the two sides of the upper end face of the capacitor shell, and containing grooves are formed in the middles of the four edges of the capacitor shell. Protection assemblies are fixedly arranged in the four containing grooves, rubber sleeves are fixedly connected to the outer sides of the four protection assemblies, the two protection assemblies comprise four reset air bags and two extrusion sleeves, and bearing plates are fixedly arranged on the opposite sides of the four reset air bags in pairs; and connecting plates are fixedly arranged on the two opposite sides of the four reset air bags, extrusion rods are fixedly arranged on the two opposite sides of the four connecting plates, and the capacitor shell comprises a base layer. According to the utility model, the service life of the internal elements of the capacitor body is prolonged, and the internal damage of the capacitor body caused by collision is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of capacitors, in particular to a capacitor with a long service life. Background Art

[0002] Capacitors inside power supplies are one of the important components used to store and release electrical energy. They play a key role in smoothing DC voltage, filtering, reducing voltage fluctuations, and providing transient response in power circuits. Capacitors in power supplies are selected of different types and specifications according to different functions and requirements to ensure the stability, reliability, and performance of the power supply system.

[0003] Existing capacitors store electrical energy in the circuit of the power supply unit and regulate changes in current and voltage. However, during use, the capacitors are easily damaged by external factors such as collision, high temperature and corrosion, which shortens the service life of the capacitors.

[0004] Therefore, the present invention provides a capacitor with a long service life to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a long-life capacitor, which increases the service life of the capacitor body, protects the capacitor body, and reduces damage to the capacitor body caused by collisions.

[0006] To achieve the above objectives, the present invention provides the following technical solutions: a long-life capacitor, comprising a capacitor housing, a capacitor body fixedly disposed within the capacitor housing, electrodes fixedly disposed on both sides of the upper end surface of the capacitor housing, a receiving groove formed in the middle of each of the four sides of the capacitor housing, a protective assembly fixedly disposed within each of the four receiving grooves, and rubber sleeves fixedly connected to the outer sides of the four protective assemblies;

[0007] The two protection components include four reset airbags and two extrusion sleeves, each of the four reset airbags is fixedly provided with a bearing plate on one side opposite to the other, each of the four reset airbags is fixedly provided with a connecting plate on one side opposite to the other, and each of the four connecting plates is fixedly provided with an extrusion rod on one side opposite to the other;

[0008] The capacitor housing includes a base layer, a reinforcement layer is fixedly provided on the outside of the base layer, a fireproof layer is fixedly provided on the outside of the reinforcement layer, a high-temperature resistant layer is fixedly provided on the outside of the fireproof layer, and a corrosion-resistant layer is fixedly provided on the outside of the high-temperature resistant layer;

[0009] With the above technical solution, the capacitor body is fixedly mounted on the capacitor housing, and the receiving grooves are provided in the middle of the four sides of the capacitor housing, so that the protective components inside the receiving grooves are connected and fixed to the rubber sleeve, so that the components inside the capacitor body are protected when a collision occurs, thereby reducing damage caused by the collision.

[0010] The reset airbag is squeezed by the bearing plate in the protection component, so that the reset airbag is deformed after being squeezed, and the connecting plate on the reset airbag drives the squeezing rod to slide inside the squeezing sleeve, so that the rubber sleeve is reset and squeezed to a certain extent when it is squeezed, thereby reducing the damage to the capacitor shell and the capacitor body caused by collision, increasing the service life of the capacitor body, protecting the capacitor body, and reducing the damage to the capacitor body caused by collision;

[0011] The reinforcement layer on the outside of the base layer of the capacitor shell has good mechanical strength to resist the vibration, impact and pressure of the external environment and protect the internal components from damage. The fireproof layer fixed on the outside of the reinforcement layer has good fireproof performance to reduce the risk of fire and protect the internal components. The high-temperature resistant layer on the outside of the fireproof layer has good high-temperature resistance to ensure that the capacitor body does not fail under high temperature conditions. The corrosion-resistant layer on the outside of the fireproof layer has good corrosion resistance to prevent the shell from being corroded and failing.

[0012] Furthermore, the four bearing plates are respectively fixedly connected to the rubber sleeves, and the four extrusion rods slide inside the two extrusion sleeves respectively;

[0013] Through the above technical solution, through the bearing plate and the rubber sleeve, the reset airbag is deformed when the rubber sleeve is squeezed, so that the squeezing rod slides inside the squeezing sleeve to facilitate rebound.

[0014] Furthermore, the material used for the reinforcement layer is glass fiber;

[0015] Through the above technical solution, the glass fiber has good mechanical strength to resist vibration, impact and pressure from the external environment and protect internal components from damage.

[0016] Furthermore, the material used for the fireproof layer is silicone resin;

[0017] Through the above technical solutions, silicone resin has good fire-proof performance to reduce fire risks and protect internal components.

[0018] Furthermore, the material used for the high temperature resistant layer is thermoplastic polyamide;

[0019] Through the above technical solution, the thermoplastic polyamide has good high temperature resistance to ensure that the capacitor body does not fail under high temperature conditions.

[0020] Furthermore, the material used for the corrosion-resistant layer is a sprayed polymer coating;

[0021] Through the above technical solution, the sprayed polymer coating has good corrosion resistance to prevent the shell from being corroded and failing.

[0022] Furthermore, the two electrodes penetrate the capacitor housing and are fixedly connected to the capacitor body;

[0023] Through the above technical solution, the electrodes are passed through the capacitor shell and connected to the capacitor body, which facilitates the storage of charges, the formation of electric fields, the provision of capacitance and the conduction of current.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a long-life capacitor. By providing a receiving groove in the middle of the four sides of the capacitor housing, the protective component inside the receiving groove is fixedly connected to the rubber sleeve. When the rubber sleeve is squeezed, the bearing plate in the protective component squeezes the reset airbag, causing the reset airbag to deform after being squeezed. The connecting plate on the reset airbag drives the squeezing rod to slide inside the squeezing sleeve, so that the rubber sleeve performs a certain reset squeezing when squeezed, reducing damage to the capacitor housing and the capacitor body caused by collision, thereby increasing the service life of the capacitor body, protecting the capacitor body, and reducing damage to the capacitor body caused by collision.

[0026] 2. The utility model proposes a long-life capacitor, which has good mechanical strength through the reinforcement layer on the outside of the base layer of the capacitor shell to resist the vibration, impact and pressure of the external environment and protect the internal components from damage. The fireproof layer fixedly arranged on the outside of the reinforcement layer has good fireproof performance to reduce the risk of fire and protect the internal components. The high-temperature resistant layer on the outside of the fireproof layer has good high-temperature resistance to ensure that the capacitor body does not fail under high temperature conditions. The corrosion-resistant layer on the outside of the fireproof layer has good corrosion resistance to prevent the shell from being corroded and failing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the axial side of the utility model;

[0028] Figure 2 It is a top cross-sectional schematic diagram of the utility model;

[0029] Figure 3 This is a schematic diagram of the capacitor housing structure of the present utility model;

[0030] Figure 4 This is an enlarged schematic diagram of point A of the present invention.

[0031] Legend:

[0032] 1. Capacitor housing; 2. Rubber sleeve; 3. Electrode; 4. Receiving groove; 5. Protective component; 6. Capacitor body; 501. Extrusion sleeve; 502. Reset airbag; 503. Load-bearing plate; 504. Connecting plate; 505. Extrusion rod; 101. Base layer; 102. Reinforcement layer; 103. Fireproof layer; 104. High-temperature resistant layer; 105. Corrosion-resistant layer. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0034] Reference Figure 1-4 The utility model provides an embodiment: a long-life capacitor, including a capacitor shell 1, a capacitor body 6 is fixedly arranged inside the capacitor shell 1, electrodes 3 are fixedly arranged on both sides of the upper end surface of the capacitor shell 1, and accommodating grooves 4 are opened in the middle of the four sides of the capacitor shell 1. Protective components 5 are fixedly arranged inside the four accommodating grooves 4. The outsides of the four protective components 5 are fixedly connected with rubber sleeves 2. The capacitor body 6 is fixed to the capacitor shell 1 by being arranged, and the protective components 5 inside the accommodating grooves 4 are connected and fixed to the rubber sleeves 2 by being arranged in the accommodating grooves 4 opened in the middle of the four sides of the capacitor shell 1, so that the components inside the capacitor body 6 are protected when a collision occurs, thereby reducing damage caused by the collision.

[0035] The two protective components 5 include four reset airbags 502 and two extrusion sleeves 501. The four reset airbags 502 are fixedly provided with a supporting plate 503 on one side opposite to each other, and the four reset airbags 502 are fixedly provided with a connecting plate 504 on one side opposite to each other. The four connecting plates 504 are fixedly provided with an extrusion rod 505 on one side opposite to each other. The reset airbags 502 are squeezed by the supporting plate 503 in the protective component 5, so that the reset airbags 502 are deformed after being squeezed, so that the connecting plate 504 on the reset airbag 502 drives the extrusion rod 505 to slide inside the extrusion sleeve 501, so that the rubber sleeve 2 is reset and squeezed to a certain extent when it is squeezed, thereby reducing damage to the capacitor housing 1 and the capacitor body 6 caused by collision, improving the service life of the capacitor body 6 during use, protecting the capacitor body 6, and reducing damage to the capacitor body 6 caused by collision.

[0036] The capacitor casing 1 includes a base layer 101, a reinforcing layer 102 is fixedly provided on the outside of the base layer 101, a fireproof layer 103 is fixedly provided on the outside of the reinforcing layer 102, a high-temperature resistant layer 104 is fixedly provided on the outside of the fireproof layer 103, and a corrosion-resistant layer 105 is fixedly provided on the outside of the high-temperature resistant layer 104. The reinforcing layer 102 on the outside of the base layer 101 of the capacitor casing 1 has good mechanical strength to resist vibration, impact and pressure of the external environment and protect internal components from damage. The fireproof layer 103 fixed on the outside of the reinforcing layer 102 has good fireproof performance to reduce the risk of fire and protect internal components. The high-temperature resistant layer 104 on the outside of the fireproof layer 103 has good high-temperature resistance to ensure that the capacitor body 6 does not fail under high temperature conditions. The corrosion-resistant layer 105 on the outside of the fireproof layer 103 has good corrosion resistance to prevent the casing from being corroded and failing.

[0037] The four supporting plates 503 are respectively fixedly connected to the rubber sleeve 2, and the four extrusion rods 505 slide inside the two extrusion sleeves 501. Through the supporting plates 503 and the rubber sleeve 2, when the rubber sleeve 2 is squeezed, the reset airbag 502 is deformed, so that the extrusion rods 505 slide inside the extrusion sleeve 501 to facilitate rebound, thereby cushioning the rubber sleeve 2 when it is squeezed to prevent direct damage to the internal components of the capacitor body 6 due to collision.

[0038] The material used for the reinforcement layer 102 is glass fiber, which has good mechanical strength to resist vibration, impact and pressure in the external environment and protect internal components from damage. The material used for the fireproof layer 103 is silicone resin, which has good fireproof performance to reduce the risk of fire and protect internal components. The material used for the high-temperature resistant layer 104 is thermoplastic polyamide, which has good high-temperature resistance to ensure that the capacitor body 6 does not fail under high temperature conditions. The material used for the corrosion-resistant layer 105 is a sprayed polymer coating, which has good corrosion resistance to prevent the shell from being corroded and failing. It can form a protective film to prevent external moisture and chemicals from corroding the capacitor shell 1.

[0039] The two electrodes 3 pass through the capacitor housing 1 and are fixedly connected to the capacitor body 6. The connection between the capacitor housing 1 and the capacitor body 6 is facilitated by the electrodes 3 passing through the capacitor housing 1, which facilitates the storage of charges, the formation of electric fields, the provision of capacitance and the conduction of current, and plays a key role in the working principle of the capacitor body 6.

[0040] Working principle: The capacitor shell 1 and the capacitor body 6 are installed inside the power supply unit. The electrodes 3 on both sides of the upper end surface of the capacitor shell 1 store charges, form an electric field, provide capacitance and conduct current. The accommodating grooves 4 opened on the four sides of the capacitor shell 1 connect the protective component 5 inside the accommodating groove 4 with the rubber sleeve 2. When squeezed, the rubber sleeve 2 squeezes the protective component 5 to produce rebound, thereby protecting the capacitor body 6 and improving the service life of the capacitor body 6.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A long-life capacitor, comprising a capacitor housing (1), characterized in that: A capacitor body (6) is fixedly arranged inside the capacitor housing (1), electrodes (3) are fixedly arranged on both sides of the upper end surface of the capacitor housing (1), and receiving grooves (4) are opened in the middle of four sides of the capacitor housing (1), and protective components (5) are fixedly arranged inside the four receiving grooves (4), and rubber sleeves (2) are fixedly connected to the outside of the four protective components (5); The two protection components (5) include four reset airbags (502) and two extrusion sleeves (501), and each of the four reset airbags (502) is fixedly provided with a bearing plate (503) on one side opposite to the other, and each of the four reset airbags (502) is fixedly provided with a connecting plate (504) on one side opposite to the other, and each of the four connecting plates (504) is fixedly provided with an extrusion rod (505) on one side opposite to the other. The capacitor housing (1) comprises a base layer (101), a reinforcement layer (102) is fixedly provided on the outside of the base layer (101), a fireproof layer (103) is fixedly provided on the outside of the reinforcement layer (102), a high-temperature resistant layer (104) is fixedly provided on the outside of the fireproof layer (103), and a corrosion-resistant layer (105) is fixedly provided on the outside of the high-temperature resistant layer (104).

2. The long-life capacitor according to claim 1, characterized in that: The four bearing plates (503) are respectively fixedly connected to the rubber sleeve (2), and the four extrusion rods (505) slide inside the two extrusion sleeves (501).

3. The long-life capacitor according to claim 1, characterized in that: The material used for the reinforcement layer (102) is glass fiber.

4. The long-life capacitor according to claim 1, characterized in that: The material used for the fireproof layer (103) is silicone resin.

5. The long-life capacitor according to claim 1, characterized in that: The material used for the high temperature resistant layer (104) is thermoplastic polyamide.

6. The long-life capacitor according to claim 1, characterized in that: The material used for the corrosion-resistant layer (105) is a sprayed polymer coating.

7. The long-life capacitor according to claim 1, characterized in that: The two electrodes (3) penetrate the capacitor housing (1) and are fixedly connected to the capacitor body (6).

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