CN213815850U

CN213815850U - Shock-proof and explosion-proof electrolytic capacitor

Info

Publication number: CN213815850U
Application number: CN202023302803.2U
Authority: CN
Inventors: 彭磊
Original assignee: Suzhou Fulikang Electronic Technology Co ltd
Current assignee: Suzhou Fulikang Electronic Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-27
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an explosion-proof electrolytic capacitor of shock resistance, including aluminum hull, fixed box and reset spring, still including being used for the shock-absorbing mechanism that the vibration that is convenient for weaken the device, the explosion-proof structure of the radiating heat dissipation mechanism of being convenient for and preventing the device explosion, the both sides on plain son top all are connected with the aluminium rivet, and the top of aluminium rivet all is connected with the terminal, shock-absorbing mechanism evenly installs in the both sides of aluminum hull inner wall, heat dissipation mechanism evenly installs in the both sides of aluminum hull outer wall, explosion-proof structure installs in the intermediate position department of aluminum hull both sides inner wall. The utility model discloses when the temperature is higher in the aluminum hull, the too big elastic membrane that makes of aluminum hull internal gas pressure is close to the felting needle direction, punctures the elastic membrane and makes pressure release until the felting needle, and in gaseous entering into the air outlet pipe, atmospheric pressure promoted and forms the opening between the baffle, and reset spring is by extrusion deformation, then gaseous through opening discharge to explosion-proof effect has been played.

Description

Shock-proof and explosion-proof electrolytic capacitor

Technical Field

The utility model relates to an electrolytic capacitor technical field specifically is an explosion-proof electrolytic capacitor of shock resistance.

Background

With the development of power electronic technology, high-power and high-current equipment becomes the mainstream in the market, wherein a capacitor of one of indispensable electronic components can be impacted at first, the adopted shell and the adopted potting material can generate inconsistent dimensional deformation and cold and hot expansion due to long-time high and low temperature change, so that the potting material of the product is separated from the shell to generate a gap, and a plurality of capacitors at present do not have an explosion-proof structure, so that the use safety performance is poor.

With the continuous installation and use of the shock-proof and explosion-proof electrolytic capacitor, the following problems are found during the use process:

1. some existing electrolytic capacitors do not have an explosion-proof structure in the daily use process, so that the safety is poor.

2. In addition, the electrolytic capacitor has no vibration-resistant structure in the use process, and the device is easy to damage after being impacted.

3. In addition, the electrolytic capacitor has no heat dissipation structure in the use process, and the service life of the device is influenced by overhigh heat.

Therefore, it is necessary to design a shock-proof and explosion-proof electrolytic capacitor in view of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof electrolytic capacitor of shock resistance to it does not have explosion-proof, shock resistance and radiating problem to provide an explosion-proof electrolytic capacitor of shock resistance among the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: a shock-proof and explosion-proof electrolytic capacitor comprises an aluminum shell, a fixed box, a return spring, a damping mechanism for conveniently weakening the vibration of the device, a heat dissipation mechanism for conveniently dissipating heat and an explosion-proof structure for preventing the device from exploding;

an element is arranged on the inner side of the aluminum shell, aluminum rivets are connected to two sides of the top end of the element, terminals are connected to the upper portions of the aluminum rivets, a sealing plate is arranged on the inner wall above the aluminum shell, and the damping mechanisms are uniformly arranged on two sides of the inner wall of the aluminum shell;

the heat dissipation mechanisms are uniformly arranged on two sides of the outer wall of the aluminum shell;

the explosion-proof structure is arranged in the middle of the inner walls of the two sides of the aluminum shell.

Preferably, the damping mechanism comprises a first damping spring and a mounting seat, the mounting seat is uniformly mounted on two sides of the inner wall of the aluminum shell, and the inner wall of the mounting seat is provided with the first damping spring.

Preferably, the heat dissipation mechanism comprises a heat dissipation air pipe and heat conduction blocks, the heat dissipation air pipe is installed on two sides of the outer wall of the aluminum shell, and the heat conduction blocks are evenly installed on the inner side of the outer wall of the heat dissipation air pipe and the inner side of the aluminum shell.

Preferably, the horizontal pole is installed to the inside bottom of aluminum hull, and the both sides of horizontal pole outer wall all install second damping spring, second damping spring's one end all is connected with the slider, and the equal activity hinge in top of slider has the bracing piece, the equal activity hinge in top of bracing piece is in the bottom of element.

Preferably, the explosion-proof structure comprises a fixed box, and the fixed box is arranged in the middle of the inner walls of the two sides of the aluminum shell.

Preferably, one side of the fixed box is connected with an elastic membrane, and the inner wall of one side of the fixed box is provided with a puncture needle.

Preferably, the both ends of fixed box one side inner wall all are connected with the outlet duct, the equal movable hinge in both sides of outlet duct inner wall has the baffle, and the outer wall of baffle all is connected with reset spring, reset spring's one end all is connected in the inner wall of outlet duct.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the capacitor generates heat when working, the heat in the aluminum shell is conducted through the plurality of heat conducting blocks, and then the heat conducting blocks are cooled through natural wind flowing in the heat radiating air pipes, so that the heat radiation in the aluminum shell is realized, and the service life of the capacitor is prolonged;

(2) when the temperature in the aluminum shell is higher, the air pressure in the aluminum shell is too high to enable the elastic membrane to approach the direction of the puncture needle until the puncture needle punctures the elastic membrane to release the pressure, the air enters the air outlet pipe, the air pressure pushes the baffle plates to form an opening, the reset spring is extruded and deformed, and then the air is discharged through the opening, so that the explosion-proof effect is achieved;

(3) through installing first damping spring, second damping spring, slider, bracing piece and plain son, receive the striking back when the condenser, receive extrusion deformation through a plurality of first damping spring, realize buffering cushioning effect, and cooperate the decurrent power of plain son to make contained angle grow between the bracing piece, promote the slider and remove to both sides, the slider extrudees second damping spring, second damping spring's elasticity realizes absorbing effect, avoids plain son to be damaged by the striking.

Drawings

FIG. 1 is a schematic cross-sectional view of the device of the present invention;

FIG. 2 is a schematic view of the structure of the damping device of the present invention;

FIG. 3 is a schematic view of the explosion-proof structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a damping mechanism; 101. a first damping spring; 102. a mounting seat; 2. a heat dissipation mechanism; 201. a heat dissipation air pipe; 202. a heat conducting block; 3. a prime; 4. a terminal; 5. a sealing plate; 6. an aluminum rivet; 7. an aluminum shell; 8. a fixing box; 9. a cross bar; 10. a slider; 11. a support bar; 12. a second damping spring; 13. an elastic film; 14. a needle; 15. an air outlet pipe; 16. a baffle plate; 17. a return spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, a shock-proof and explosion-proof electrolytic capacitor includes an aluminum case 7, a fixing case 8, a return spring 17, a damping mechanism 1 for damping vibration of the device, a heat dissipation mechanism 2 for dissipating heat, and an explosion-proof structure for preventing explosion of the device;

an element 3 is arranged on the inner side of an aluminum shell 7, two sides of the top end of the element 3 are connected with aluminum rivets 6, terminals 4 are connected above the aluminum rivets 6, a sealing plate 5 is arranged on the inner wall above the aluminum shell 7, and damping mechanisms 1 are uniformly arranged on two sides of the inner wall of the aluminum shell 7;

the damping mechanism 1 comprises a first damping spring 101 and a mounting seat 102, the mounting seat 102 is uniformly arranged on two sides of the inner wall of the aluminum shell 7, and the inner wall of the mounting seat 102 is provided with the first damping spring 101;

specifically, as shown in fig. 1, when the capacitor is impacted, the plurality of first damping springs 101 are pressed and deformed to achieve a damping effect.

A cross rod 9 is installed at the bottom end inside the aluminum shell 7, second damping springs 12 are installed on two sides of the outer wall of the cross rod 9, one ends of the second damping springs 12 are connected with sliding blocks 10, the top ends of the sliding blocks 10 are movably hinged with supporting rods 11, and the top ends of the supporting rods 11 are movably hinged to the bottom end of the element 3;

specifically, as shown in fig. 1 and 2, when the structure is used, the included angle between the support rods 11 is increased by the downward force of the element 3, the sliding block 10 is pushed to move towards two sides, the sliding block 10 extrudes the second damping spring 12, and the second damping spring 12 is telescopic to realize the damping effect.

The heat dissipation mechanisms 2 are uniformly arranged on two sides of the outer wall of the aluminum shell 7;

the heat dissipation mechanism 2 comprises a heat dissipation air pipe 201 and heat conduction blocks 202, the heat dissipation air pipe 201 is installed on two sides of the outer wall of the aluminum shell 7, and the heat conduction blocks 202 are evenly installed on the inner side of the aluminum shell 7 on the outer wall of the heat dissipation air pipe 201;

specifically, as shown in fig. 1, when the structure is used, the capacitor works to generate heat, the heat in the aluminum shell 7 is conducted through the plurality of heat conduction blocks 202, and then the heat conduction blocks 202 are cooled through natural air flowing in the heat dissipation air pipe 201, so that the heat dissipation in the aluminum shell 7 is realized, and the service life of the capacitor is prolonged.

The explosion-proof structure is arranged in the middle of the inner walls of the two sides of the aluminum shell 7;

the explosion-proof structure comprises a fixed box 8, and the fixed box 8 is arranged in the middle of the inner walls of the two sides of the aluminum shell 7;

specifically, as shown in fig. 1, 3 and 4, in the case of using this structure, the explosion-proof device is mounted by mounting and fixing boxes 8 and fixed to the inner walls of both sides of the aluminum case 7.

One side of the fixed box 8 is connected with an elastic membrane 13, and the inner wall of one side of the fixed box 8 is provided with a puncture needle 14;

specifically, as shown in fig. 1, 3 and 4, when the temperature in the aluminum casing 7 is high, the air pressure in the aluminum casing 7 is too high to make the elastic membrane 13 approach the needle 14 until the needle 14 pierces the elastic membrane 13 to release the pressure.

Both ends of the inner wall of one side of the fixed box 8 are connected with an air outlet pipe 15, both sides of the inner wall of the air outlet pipe 15 are movably hinged with baffle plates 16, the outer walls of the baffle plates 16 are connected with return springs 17, and one ends of the return springs 17 are connected with the inner wall of the air outlet pipe 15;

specifically, as shown in fig. 1, 3 and 4, when the structure is used, gas enters the gas outlet pipe 15, the gas pressure pushes the baffle plates 16 to form an opening therebetween, the return spring 17 is extruded and deformed, then the gas is discharged through the opening, and after the gas is discharged, the return spring 17 is reset to close the baffle plates 16, so that the sealing in the aluminum shell 7 is realized.

The working principle is as follows: when the device is used, firstly, after the capacitor is impacted, the plurality of first damping springs 101 are extruded and deformed to realize the buffering and damping effects, the included angle between the support rods 11 is increased by matching with the downward force of the element 3, the slide block 10 is pushed to move towards two sides, the slide block 10 extrudes the second damping springs 12, the elasticity of the second damping springs 12 realizes the damping effect, and the element 3 is prevented from being impacted and damaged;

then, the capacitor works to generate heat, the heat in the aluminum shell 7 is conducted through the plurality of heat conducting blocks 202, and then the heat conducting blocks 202 are cooled through natural air flowing in the heat radiating air pipe 201, so that the heat radiation in the aluminum shell 7 is realized, and the service life of the capacitor is prolonged;

finally, when the temperature in the aluminum shell 7 is high, the air pressure in the aluminum shell 7 is too large to enable the elastic membrane 13 to approach the pricking pin 14, until the pricking pin 14 pierces the elastic membrane 13 to release the pressure, the air enters the air outlet pipe 15, the air pressure pushes the baffle plates 16 to form an opening, the return spring 17 is extruded and deformed, and then the air is discharged through the opening, so that the explosion-proof effect is achieved, after the air is discharged, the return spring 17 resets to close the baffle plates 16, and the sealing in the aluminum shell 7 is achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an explosion-proof electrolytic capacitor of shock-proof, includes aluminum hull (7), fixed box (8) and reset spring (17), its characterized in that: the device also comprises a damping mechanism (1) for weakening the vibration of the device conveniently, a heat dissipation mechanism (2) for dissipating heat conveniently and an explosion-proof structure for preventing the device from exploding;

an element (3) is mounted on the inner side of the aluminum shell (7), aluminum rivets (6) are connected to two sides of the top end of the element (3), terminals (4) are connected to the upper portions of the aluminum rivets (6), a sealing plate (5) is mounted on the inner wall of the upper portion of the aluminum shell (7), and the damping mechanisms (1) are uniformly mounted on two sides of the inner wall of the aluminum shell (7);

the heat dissipation mechanisms (2) are uniformly arranged on two sides of the outer wall of the aluminum shell (7);

the explosion-proof structure is arranged in the middle of the inner walls of the two sides of the aluminum shell (7).

2. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 1, wherein: damping mechanism (1) includes first damping spring (101) and mount pad (102), mount pad (102) are evenly installed in the both sides of aluminum hull (7) inner wall, first damping spring (101) are all installed to the inner wall of mount pad (102).

3. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 1, wherein: the heat dissipation mechanism (2) comprises a heat dissipation air pipe (201) and heat conduction blocks (202), the heat dissipation air pipe (201) is installed on two sides of the outer wall of the aluminum shell (7), and the heat conduction blocks (202) are evenly installed on the inner side of the outer wall of the heat dissipation air pipe (201) and the inner side of the aluminum shell (7).

4. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 1, wherein: horizontal pole (9) are installed to the inside bottom of aluminum hull (7), and second damping spring (12) are all installed to the both sides of horizontal pole (9) outer wall, the one end of second damping spring (12) all is connected with slider (10), and the equal activity hinge in top of slider (10) has bracing piece (11), the equal activity hinge in top of bracing piece (11) is in the bottom of plain son (3).

5. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 1, wherein: the explosion-proof structure comprises a fixed box (8), wherein the fixed box (8) is arranged in the middle of the inner walls of the two sides of the aluminum shell (7).

6. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 5, wherein: one side of the fixed box (8) is connected with an elastic membrane (13), and one side inner wall of the fixed box (8) is provided with a puncture needle (14).

7. A shock-resistant explosion-proof electrolytic capacitor as set forth in claim 5, wherein: the both ends of fixed box (8) one side inner wall all are connected with outlet duct (15), the equal movable hinge in both sides of outlet duct (15) inner wall has baffle (16), and the outer wall of baffle (16) all is connected with reset spring (17), the inner wall in outlet duct (15) is all connected to the one end of reset spring (17).