CN219303480U - Capacitor with lightning protection structure - Google Patents

Abstract

The utility model relates to the technical field of capacitors, and discloses a capacitor with a lightning protection structure. This electric capacity with lightning protection structure, the louvre of setting can dispel the heat to the inside produced heat of casing, avoid producing the normal use that the swell influences electric capacity, the dust screen of setting can prevent dust to the louvre, avoid the dust to get into the inside normal use that influences the condenser of casing, can carry out the centre gripping to the dust screen through the cooperation of spacing groove that sets up, grip block and spring and fix, avoid the dust screen to take place to break away from in the course of the work, when the dust screen is attached to need change by a large amount of dust, upwards carry and push up the push plate and drive the push plate and break away from the dust screen, forward promote the front end that the push rod made the dust screen and leave the inside of through-hole, the user can take out the dust screen that is attached to by the dust and change, easy and simple to handle.

Description

Capacitor with lightning protection structure

Technical Field

The utility model relates to the technical field of capacitors, in particular to a capacitor with a lightning protection structure.

Background

A capacitor is an element that stores both electrical and electrical energy, one conductor being surrounded by another conductor, or the electric field lines emanating from one conductor ending entirely in the conductor system of another conductor, called a capacitor, which plays an important role in tuning, bypassing, coupling, filtering, etc., the tuning circuit of a transistor radio being used, the coupling circuit, bypass circuit, etc., of a color television set being used.

According to a disclosed lightning protection capacitor (publication number: CN 210956460U), in the above application, by means of the matching of the negative lead, the positive lead, the lead package and the aluminum plates, when a high-voltage transient lightning strike flows through the capacitor, the two aluminum plates break down the air between the two aluminum plates due to low breakdown voltage, and an instantaneous arc discharge occurs to form a lightning strike discharge path, and the core-coated capacitor is protected from breakdown.

However, in the actual use process of the device, when the high-voltage transient lightning strike flows through the capacitor, the shell is in a sealing structure, the air in the shell is instantaneously heated by arc discharge, the air is heated and expanded at the moment, so that the shell is bulged, the service life of the shell is influenced, and the normal use of the capacitor is also influenced by a high-temperature environment; in view of this, we propose a capacitor with a lightning protection structure.

Disclosure of Invention

The utility model aims to provide a capacitor with a lightning protection structure, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a electric capacity with structure is hit in lightning protection, includes casing, core and lightning protection mechanism, the top of casing is provided with heat dissipation mechanism, heat dissipation mechanism includes:

the radiating hole is formed in the center of the top surface of the shell;

the limiting plate is fixedly arranged at the front end of the top surface of the shell, a through hole is formed in the bottom end of the front side surface of the limiting plate, and a dust screen is arranged in the through hole;

the limiting groove is formed in the inner top surface of the through hole, a clamping plate is arranged in the limiting groove, a plurality of springs are fixedly mounted on the upper surface of the clamping plate, the top ends of the springs are fixedly connected with the inner top surface of the limiting groove, two connecting rods are fixedly mounted at the left end and the right end of the upper surface of the clamping plate, and a pressing plate is fixedly mounted on the top end of each connecting rod penetrating through the inner top surface of the limiting groove;

the fixed plate, fixed plate fixed mounting is at the top surface rear end of casing, the standing groove has been seted up to the front side surface bottom of fixed plate, the inside of standing groove is provided with the push plate, both ends fixed mounting has the catch bar about the back of push plate, the one end that the catch bar kept away from the push plate runs through in the rear side inner wall surface of standing groove.

Preferably, the outer wall of the clamping plate is mutually attached to the inner wall of the limiting groove.

Preferably, the size of the placing groove is mutually matched with the size of the dust screen.

Preferably, the dust screen is located right above the heat dissipation holes.

Preferably, the outer walls of the left side and the right side of the dustproof net are mutually attached to the inner walls of the through holes.

Preferably, the dustproof net is made of PVC material.

Compared with the prior art, the utility model provides the capacitor with the lightning protection structure, which has the following beneficial effects:

1. this electric capacity with lightning protection structure, the louvre of setting can dispel the heat to the inside produced heat of casing, avoids producing the normal use that the swell influences electric capacity, and the dust screen of setting can prevent dust to the louvre, avoids the dust to get into the inside normal use that influences the condenser of casing, and the cooperation through spacing groove, grip block, spring, connecting rod and the pressing plate of setting can carry out the centre gripping fixed to the dust screen, avoids the dust screen to take place to break away from in the course of the work.

2. This electric capacity with lightning protection structure, when the dust screen is attached to and needs to be changed by a large amount of dust, upwards lift the push plate and drive the push plate and break away from the dust screen, forward promotion catch bar can drive the push plate and move forward to make the push plate promote the dust screen forward, the front end of dust screen can leave the inside of through-hole this moment, and the user can take out by the dust attached dust screen and change, easy and simple to handle.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the present utility model with a front side partially cut away;

FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;

FIG. 4 is a schematic view of the top portion of the present utility model, partially in section;

fig. 5 is an enlarged schematic view of the structure at B in fig. 4.

In the figure: 1. a housing; 2. a core; 3. a lightning protection mechanism; 4. a heat dissipation mechanism; 401. a heat radiation hole; 402. a limiting plate; 403. a through hole; 404. a dust screen; 405. a limit groove; 406. a clamping plate; 407. a spring; 408. a connecting rod; 409. pressing the plate; 410. a fixing plate; 411. a placement groove; 412. a pushing plate; 413. pushing the rod.

Detailed Description

As shown in fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a electric capacity with structure is hit in lightning protection, includes casing 1, core 2 and lightning protection mechanism 3, and lightning protection mechanism 3 includes: negative lead, positive lead, lead package and aluminum plate, when there is high voltage transient lightning stroke to flow through the condenser, two aluminum plates are because breakdown voltage is low this moment, and instantaneous lightning stroke can break through the air between two aluminum plates, takes place instantaneous arc discharge, forms the thunderbolt and releases the route, and the core package condenser is protected, can not form to break through, and the lightning protection structure principle that above-mentioned lightning protection structure 3 mentioned in the chinese patent of the bulletin number CN210956460U (a lightning protection electric capacity) is similar, and the realization effect is the prior art means in this field the same, does not make too much here.

The top of casing 1 is provided with cooling mechanism 4, and cooling mechanism 4 includes: the heat dissipation hole 401, limiting plate 402, spacing groove 405 and fixed plate 410, the top surface center department at casing 1 is seted up in the heat dissipation hole 401 of setting can dispel the heat to the inside produced heat of casing 1, avoid producing the normal use that the swell influences the electric capacity, limiting plate 402 fixed mounting is at the top surface front end of casing 1, through-hole 403 has been seted up to limiting plate 402's front side surface bottom, the inside of through-hole 403 is provided with dust screen 404, the dust screen 404 adopts the PVC material, the dust screen 404 of setting can prevent dust to the heat dissipation hole 401, avoid the dust to get into the inside normal use that influences the electric capacity of casing 1.

The left and right sides outer wall of dust screen 404 and the inner wall of through-hole 403 laminating each other, the through-hole 403 that sets up can lead to the removal of dust screen 404, make the rear end accessible through-hole 403 of dust screen 404 get into inside standing groove 411, thereby make dust screen 404 be located louvre 401 top, dust screen 404 is located directly over the louvre 401, the inside top surface at through-hole 403 is seted up to spacing groove 405, the inside of spacing groove 405 is provided with grip block 406, can laminate with the upper surface of dust screen 404 when grip block 406 is located initial position, thereby reach the effect of carrying out the centre gripping fixed to dust screen 404, avoid dust screen 404 to take place to drop at the in-process of using, the outer wall of grip block 406 and the inner wall of spacing groove 405 laminating each other, the upper surface fixed mounting of grip block 406 has a plurality of springs 407, the top of spring 407 and the inside top surface fixed connection of spacing groove 405, both ends are all fixed mounting has two connecting rods 408 about the upper surface of grip block 406.

The top of connecting rod 408 runs through the inside top surface fixed mounting of spacing groove 405 and presses board 409, can drive grip block 406 upwards through pulling up and remove, and compression spring 407 produces elastic potential energy, can drive down the fixed plate 409 and remove the reset after pressing board 409 is released under the elastic potential energy effect of spring 407, fixed plate 410 fixed mounting is at the top surface rear end of casing 1, the standing groove 411 has been seted up to the front side surface bottom of fixed plate 410, the size of standing groove 411 and the size of dust screen 404 are mutually adapted, the inside of standing groove 411 is provided with push plate 412, both ends fixed mounting has push rod 413 about the back of push plate 412, the one end that push rod 413 kept away from push plate 412 runs through in the rear side inner wall surface of standing groove 411, forward push rod 413 can drive push plate 412 and remove forward, thereby make push plate 412 push forward dust screen 404, the front end of dust screen 404 can leave the inside of through-hole 403 this moment, the user can take out dust screen 404 that is adhered to and change.

In the utility model, when the dustproof device is used, the pressing plate 409 is lifted upwards, the pressing plate 409 is driven to move upwards through the connecting rod 408, elastic potential energy is generated by the compression spring 407, the dustproof net 404 is inserted into the through hole 403, the rear end of the dustproof net 404 enters the inside of the placing groove 411, at the moment, the front end of the dustproof net 404 is positioned in the through hole 403, the pressing plate 409 can be driven to move downwards under the action of the elastic potential energy of the spring 407 by loosening the pressing plate 409, at the moment, the bottom surface of the clamping plate 406 is attached to the upper surface of the dustproof net 404 to clamp and fix the dustproof net 404, the dustproof net 404 is prevented from falling off in the working process, the heat generated in the inside of the shell 1 can be dissipated through the arranged heat dissipation holes 401, the influence of the normal use of the capacitor caused by bulge is avoided, the arranged dustproof net 404 can prevent dust from entering the inside of the shell 1, when the dustproof net 404 is attached with a large amount of dust, the pressing plate 409 is driven to separate from the dustproof net 404 by lifting the pressing plate 409 upwards, the pushing rod 413 can be driven to move forwards, the pushing plate 412 is pushed forwards, the dustproof net 404 is pushed forwards, and the front end of the dustproof net 404 can be conveniently replaced, and the dustproof net 404 can be conveniently removed from the inside of the shell, and the user can be attached to the inside the dustproof net 404.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a electric capacity with lightning protection structure, includes casing (1), core (2) and lightning protection mechanism (3), its characterized in that: the top of casing (1) is provided with heat dissipation mechanism (4), heat dissipation mechanism (4) include:

a heat dissipation hole (401), wherein the heat dissipation hole (401) is arranged at the center of the top surface of the shell (1);

the limiting plate (402), limiting plate (402) is fixedly installed at the front end of the top surface of the shell (1), through holes (403) are formed in the bottom end of the front side surface of the limiting plate (402), and dust-proof nets (404) are arranged in the through holes (403);

the limiting groove (405), the limiting groove (405) is formed in the inner top surface of the through hole (403), a clamping plate (406) is arranged in the limiting groove (405), a plurality of springs (407) are fixedly arranged on the upper surface of the clamping plate (406), the top ends of the springs (407) are fixedly connected with the inner top surface of the limiting groove (405), two connecting rods (408) are fixedly arranged at the left end and the right end of the upper surface of the clamping plate (406), and a pressing plate (409) is fixedly arranged on the top surface of the inner top surface of the limiting groove (405) in a penetrating mode;

fixed plate (410), fixed plate (410) fixed mounting is at the top surface rear end of casing (1), standing groove (411) have been seted up to the front side surface bottom of fixed plate (410), the inside of standing groove (411) is provided with push plate (412), both ends fixed mounting has push rod (413) about the back of push plate (412), one end that push rod (413) kept away from push plate (412) runs through in the rear side inner wall surface of standing groove (411).

2. A capacitor having a lightning protection structure according to claim 1, wherein: the outer wall of the clamping plate (406) is mutually attached to the inner wall of the limit groove (405).

3. A capacitor having a lightning protection structure according to claim 1, wherein: the size of the placing groove (411) is matched with the size of the dustproof net (404).

4. A capacitor having a lightning protection structure according to claim 1, wherein: the dustproof net (404) is positioned right above the heat dissipation holes (401).

5. A capacitor having a lightning protection structure according to claim 1, wherein: the outer walls of the left side and the right side of the dustproof net (404) are mutually attached to the inner walls of the through holes (403).

6. A capacitor having a lightning protection structure according to claim 1, wherein: the dustproof net (404) is made of PVC material.

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