CN219286228U

CN219286228U - Lightning-proof capacitor

Info

Publication number: CN219286228U
Application number: CN202320659722.2U
Authority: CN
Inventors: 曹金根; 龙秋香; 曹均东; 曹海英
Original assignee: Wannian County Jinweida Electronic Technology Co ltd
Current assignee: Wannian County Jinweida Electronic Technology Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-30
Anticipated expiration: 2033-03-30

Abstract

The utility model provides a lightning-proof capacitor, which comprises a shell, wherein a circular plate is arranged in the shell in a sliding manner, the lower end of the circular plate is connected with one ends of a plurality of springs, the other ends of the springs are connected with the bottom end in the shell, a circular orifice plate is arranged above the circular plate, the circular orifice plate is arranged in the shell, a core bag is arranged at the upper end of the circular orifice plate, the core bag is arranged in the shell, the left side of the upper end of the core bag is connected with a positive lead, the positive lead extends to the upper side of the shell, the right side of the upper end of the core bag is connected with a negative lead, the negative lead extends to the upper side of the shell, the positive lead is arranged at the left side of the negative lead, the positive lead is provided with a supporting column towards the inner end and the negative lead is provided with an aluminum plate towards the inner end, the two aluminum plates are oppositely arranged, and the aluminum plates are arranged above the core bag and are arranged in the shell.

Description

Lightning-proof capacitor

Technical Field

The utility model relates to a lightning-proof capacitor, and belongs to the technical field of capacitors.

Background

The capacitor is an energy storage element and is used for tuning, filtering, coupling, bypass, energy conversion and time delay in a circuit, the capacitor is commonly called as a capacitor, the capacitor in the prior art is generally composed of a shell, a core package, a positive electrode lead and a negative electrode lead, when the capacitor is assembled, the core package is firstly placed in the shell, then the positive electrode lead and the negative electrode lead are arranged on the core package, the positive electrode lead and the negative electrode lead extend out of the upper side of the shell, when the capacitor is struck by lightning, the temperature in the shell can be increased, so that the core package arranged in the shell is easy to bulge and deform, and the service life of the capacitor is further influenced, and therefore, a novel lightning-proof capacitor is needed to be designed to solve the problems.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a lightning-proof capacitor so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides a electric capacity that lightning protection was hit, includes the casing, the casing slides and sets up the circular plate, the one end of a plurality of springs is connected to the circular plate lower extreme, the other end and the inside bottom of casing of spring are connected, the circular plate top sets up circular orifice plate, circular orifice plate sets up in the casing, circular orifice plate upper end sets up the core package, the core package sets up in the casing, positive lead is connected in core package upper end left side, positive lead extends to the casing upside, the negative lead is connected on core package upper end right side, the negative lead extends to the casing upside, positive lead sets up in negative lead left side, positive lead all sets up the support column towards inner and negative lead towards inner, the support column sets up aluminum plate towards inner, two aluminum plate is relative arrangement, aluminum plate is located core package top, aluminum plate sets up in the casing.

Further, the outer surface of the circular plate is inwards recessed to form a groove, a sealing piece is arranged in the groove, and the sealing piece is attached to the inner wall of the shell.

Further, the upper surface of the bottom end inside the shell is recessed downwards to form a through hole, the through hole penetrates through the upper surface and the lower surface of the shell, and the spring is arranged outside the through hole.

Further, set up the telescopic link in the spring, telescopic link stiff end is connected with the inside bottom of casing, the telescopic link expansion end is connected with circular plate lower extreme.

Further, the aluminum plate is electroplated with an oxide film toward the inner end, the oxide film is disposed within the housing, and the oxide film is located above the core pack.

Further, a dust screen is arranged in the through hole and is arranged on the inner side of the spring.

The utility model has the beneficial effects that:

1. when the capacitor is shocked by electric shock, because the electric shock is too low in breakdown of the two aluminum plates, the lightning stroke can break down the air between the two aluminum plates, so that electric arcs are generated and discharge is carried out, a lightning stroke decomposition path is formed, protection of the core package is realized, and the lightning stroke phenomenon is prevented.

2. In the process of thunderbolt, can make the temperature increase in the casing, and then make the temperature increase in the core package that sets up in the casing, can make gas discharge downwards through the hole on the circular orifice plate, thereby make gas enter into circular orifice plate lower extreme, and then make the circular plate that slides and set up in the casing move downwards along shells inner wall under the effect of pressure, when circular plate moves downwards, can extrude the gas that is in circular plate lower extreme downwards, thereby make the gas that is in circular plate lower extreme discharge through the through-hole that sets up in the casing lower extreme, and then increase the storage space of the interior steam of casing, prevent the discharge of steam, increase the storage space of steam, reduce pressure and improve electric capacity life.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of a capacitor with lightning protection function according to the present utility model;

FIG. 2 is a cross-sectional view of a lightning protection capacitor of the present utility model;

fig. 3 is an enlarged view of a portion a of fig. 2;

in the figure: 1-shell, 2-positive lead, 3-negative lead, 4-aluminum plate, 5-core bag, 6-circular pore plate, 7-circular plate, 9-spring, 11-through hole, 12-dustproof net, 41-oxide film, 71-rubber ring and 91-telescopic rod.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a electric capacity that lightning protected, including casing 1, provide installation space for core package 5 through casing 1, circular orifice plate 6 upper end sets up core package 5, utilize core package 5 to realize core package blocking direct current's effect, 5 set up in casing 1, positive lead 2 is connected in core package 5 upper end left side, realize drawing forth of electric current through positive lead 2, positive lead 2 extends to casing 1 upside, negative lead 3 is connected on core package 5 upper end right side, utilize negative lead 3 to realize drawing forth of electric current, negative lead 3 extends to casing 1 upside, positive lead 2 sets up in negative lead 3 left side, positive lead 2 is towards interior and negative lead 3 all set up the support column towards interior, realize the support to aluminum plate 4 through the support column, the support column is towards interior setting up aluminum plate 4, utilize aluminum plate 4 to realize lightning protection operation, aluminum plate 4 is towards interior end electroplating oxide film 41, realize the protection to aluminum plate 4 through oxide film 41 sets up in casing 1, oxide film 41 is located core package 5 top, two aluminum plates 4 are relative arrangement, aluminum plate 4 is located core package 5 top, aluminum plate 4 sets up in casing 1.

When the capacitor is shocked by electric shock, because the electric shock is too low in breakdown of the two aluminum plates 4, the air between the two aluminum plates 4 is broken down by lightning stroke, so that electric arcs are generated and discharged, a lightning stroke decomposition path is formed, protection of the core package 5 is realized, and lightning stroke phenomenon is prevented.

Referring to fig. 1, 2 and 3, a circular plate 7 is slidably arranged in a housing 1, an installation space is provided for a spring 9 by using the circular plate 7, the outer surface of the circular plate 7 is concavely formed into a groove, the installation space is provided for a rubber ring 71 by the groove, a sealing member is arranged in the groove, the sealing member can adopt the rubber ring 71, the sealing member is sealed to the circular plate 7 by using the rubber ring 71, the sealing member is attached to the inner wall of the housing 1, one ends of a plurality of springs 9 are connected to the lower ends of the circular plate 7, the movement of the circular plate 7 is realized by the springs 9, a telescopic rod 91 is arranged in the springs 9, the guide when the circular plate 7 moves is realized by using the telescopic rod 91, the fixed end of the telescopic rod 91 is connected with the inner bottom end of the housing 1, the movable end of the telescopic rod 91 is connected with the lower end of the circular plate 7, the other end of the spring 9 is connected with the inner bottom end of the housing 1, a circular orifice plate 6 is arranged above the circular plate 7, the circular orifice plate 6 is arranged in the housing 1, the upper surface of the inner bottom of the housing 1 is concavely formed into a through hole 11, the air discharge is realized by using the through hole 11, the through hole 11 runs through the upper surface of the housing 1, the upper surface and the lower surface of the housing 1, the upper surface of the housing 9 is arranged on the lower surface of the side of the circular orifice 11, the circular orifice 11 is arranged on the side of the inner side of the circular orifice 11, the inner side of the housing 12 is arranged on the inner side of the housing 12, the dust-proof net 12 is arranged, and the dust-proof net is arranged inside the dust net 12.

In the process of lightning stroke, can make the temperature in the casing 1 increase, and then make the temperature increase in the core package 5 that sets up in the casing 1, because of core package 5 sets up circular orifice plate 6 upper end, so the gas in the core package 5 can be discharged downwards through the hole on circular orifice plate 6, thereby make gas enter into circular orifice plate 6 lower extreme, and then make the circular plate 7 that slides and set up in the casing 1 move downwards along casing 1 inner wall under the effect of pressure, because of the one end of a plurality of springs 9 is connected to circular plate 7 lower extreme, so circular plate 7 moves downwards and can compress spring 9, and then produce the elastic force, when circular plate 7 moves downwards, can extrude the gas that is in circular plate 7 lower extreme downwards, thereby make the gas that is in circular plate 7 lower extreme discharge through the through-hole 11 that sets up in casing 1 lower extreme, and then increase the storage space of gas in the casing 1, prevent the discharge of steam, increase the storage space of pressure, reduce the pressure and improve electric capacity life.

The specific embodiment is as follows: when the condenser is by electric shock, because two aluminum plates 4 break down electric shock too low, so the thunderbolt can break down the air between two aluminum plates 4, thereby produce electric arc and discharge, and then form the thunderbolt and decompose the route, at the in-process of thunderbolt, can make the temperature in the casing 1 increase, and then make the temperature in the core package 5 that sets up in the casing 1 increase, because the core package 5 sets up circular orifice plate 6 upper end, so the gas in the core package 5 can be discharged downwards through the hole on the circular orifice plate 6, thereby make gas enter into circular orifice plate 6 lower extreme, and then make the circular plate 7 that slides and set up in the casing 1 move downwards along casing 1 inside under the effect of pressure, because of the one end of a plurality of springs 9 is connected to circular plate 7 lower extreme, so circular plate 7 moves down can compress spring 9, and then produce the elastic force, when circular plate 7 moves down, can extrude the gas that is in circular plate 7 lower extreme downwards, thereby make the gas that is in circular plate 7 lower extreme gas through setting up the through hole 11 of casing 1 lower extreme, and then increase the storage space in the casing 1.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. A capacitor for lightning protection, characterized in that: including casing (1), it sets up circular plate (7) to slide in casing (1), the one end of a plurality of springs (9) is connected to circular plate (7) lower extreme, the other end and the inside bottom of casing (1) of spring (9) are connected, circular plate (7) top sets up circular orifice plate (6), circular orifice plate (6) set up in casing (1), circular orifice plate (6) upper end sets up core package (5), core package (5) set up in casing (1), positive lead (2) are connected in core package (5) upper end left side, positive lead (2) extend to casing (1) upside, negative lead (3) are connected on core package (5) upper end right side, negative lead (3) extend to casing (1) upside, positive lead (2) set up in negative lead (3) left side, positive lead (2) are towards inner and negative lead (3) all set up the support column, support column (4) are towards interior end setting up aluminum plate (4), two aluminum plate (4) are arranged in the casing (1) side relatively, aluminum plate (4) are located.

2. A lightning protection capacitor according to claim 1, wherein: the outer surface of the circular plate (7) is inwards recessed to form a groove, a sealing piece is arranged in the groove, and the sealing piece is attached to the inner wall of the shell (1).

3. A lightning protection capacitor according to claim 1, wherein: the upper surface of the bottom end inside the shell (1) is recessed downwards to form a through hole (11), the through hole (11) penetrates through the upper surface and the lower surface of the shell (1), and the spring (9) is arranged outside the through hole (11).

4. A lightning protection capacitor according to claim 1, wherein: the telescopic rod (91) is arranged in the spring (9), the fixed end of the telescopic rod (91) is connected with the bottom end inside the shell (1), and the movable end of the telescopic rod (91) is connected with the lower end of the circular plate (7).

5. A lightning protection capacitor according to claim 1, wherein: the aluminum plate (4) is electroplated with an oxide film (41) towards the inner end, the oxide film (41) is arranged in the shell (1), and the oxide film (41) is positioned above the core bag (5).

6. A lightning protection capacitor according to claim 3, wherein: a dust screen (12) is arranged in the through hole (11), and the dust screen (12) is arranged on the inner side of the spring (9).