CN212783076U

CN212783076U - Anti-interference capacitor of metallized polyester film

Info

Publication number: CN212783076U
Application number: CN202021150859.8U
Authority: CN
Inventors: 李华香; 黄继金
Original assignee: Shenzhen Xinhuaqi Technology Co ltd
Current assignee: Shenzhen Xinhuaqi Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-23
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses an anti-interference condenser of metallization polyester film relates to anti-interference capacitor technical field, which comprises a housin, the first protective layer of outer wall fixedly connected with of casing, the bottom fixedly connected with visor of casing, the storehouse is placed to the condenser has been seted up to the inside of casing, the top fixedly connected with locating pin in storehouse is placed to the condenser, the inside in storehouse is placed to the condenser is equipped with capacitor body, the locating hole has been seted up at capacitor body's top, capacitor body's inner wall fixedly connected with metallization polyester film layer, capacitor body's bottom middle part fixedly connected with anti jamming unit. This anti-interference condenser of metallization polyester film through setting up locating hole and locating pin, the mounted position of location to the capacitor body that can be accurate has avoided the condenser to lead to the problem appearance that the condenser quality is poor because of the installation is inaccurate, has improved the production efficiency and the qualification rate of condenser, has saved the cost.

Description

Anti-interference capacitor of metallized polyester film

Technical Field

The utility model relates to an anti-interference capacitor technical field specifically is an anti-interference condenser of metallization polyester film.

Background

The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of isolating direct current, alternating current, coupling, bypassing, filtering, tuning loops, energy conversion, control and the like in a circuit, and the types of capacitors are more and the functions are more and more powerful with the development of science and technology of common metallized paper dielectric capacitors, ceramic capacitors, aluminum electrolytic capacitors, polystyrene capacitors and solid tantalum capacitors, wherein the types of metallized polyester film capacitors are more, but the existing metallized polyester film capacitors have weaker anti-interference capability.

In chinese utility model patent application no: CN201921784166.1 discloses an anti-interference capacitor, including the casing, the both sides of casing inner chamber are all seted up flutedly, the inner wall fixedly connected with heat insulating board of casing, the relative one side fixedly connected with first insulating board of heat insulating board, the top fixedly connected with first closing plate of first insulating board, the bottom fixedly connected with second closing plate of the relative one side of first insulating board. The anti-interference capacitor is not provided with a positioning mechanism, so that the position of the capacitor core is not accurately positioned, repeated correction is needed, the quality of the capacitor is poor, and the production efficiency is low.

Therefore, it is necessary to provide a metallized polyester film anti-interference capacitor to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide an anti-interference condenser of metallization polyester film to solve the current anti-interference condenser that proposes in the above-mentioned background art, do not have positioning mechanism, make the position location of capacitor core inaccurate, need repeated correction, lead to the relatively poor quality of condenser, the lower problem of production efficiency.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an anti-interference capacitor with a metallized polyester film comprises a shell, wherein a first protective layer is fixedly connected to the outer wall of the shell, a protective cover is fixedly connected to the bottom of the shell, a second protective layer is fixedly connected to the top of the protective cover, a capacitor placing bin is arranged inside the shell, a positioning pin is fixedly connected to the top of the capacitor placing bin, a capacitor body is arranged inside the capacitor placing bin, a positioning hole is formed in the top of the capacitor body, a damping device is fixedly connected between the outer wall of the capacitor body and the inside of the shell and comprises a fixing block, a sliding groove is formed in the fixing block, a connecting rod is arranged inside the sliding groove, one end of the connecting rod extends out of the sliding groove and is fixedly connected with the outer wall of the capacitor body, a damping spring is arranged on the outer wall of the connecting rod, and a metallized polyester film layer, the capacitor comprises a capacitor body and is characterized in that a positive collector is fixedly connected to one side of the inner wall of the metallized polyester film layer, a positive lead is fixedly connected to the bottom of the positive collector, a positive electrode plate is fixedly connected to one side of the positive collector, a negative collector is fixedly connected to the other side of the inner wall of the metallized polyester film layer, a negative lead is fixedly connected to the bottom of the negative collector, a negative electrode plate is fixedly connected to one side of the negative collector, and an anti-interference device is fixedly connected to the middle of the bottom end of the capacitor body.

Preferably, the first protective layer and the second protective layer are both made of epoxy resin material.

Preferably, the number of the positioning pins and the positioning holes is four, the four positioning pins and the four positioning holes are uniformly distributed, and the positioning holes correspond to the positioning pins.

Preferably, the damping device is provided with a plurality of damping devices which are uniformly distributed around the inner part of the shell.

Preferably, damping spring's one end with be connected, the outer wall of capacitor body, damping spring's the other end and the one side outer wall fixed connection of fixed block.

Preferably, the positive electrode lead and the negative electrode lead both extend out of the capacitor body and penetrate through the protective cover.

Preferably, the number of the negative electrode plates and the number of the positive electrode plates are multiple, and the negative electrode plates and the positive electrode plates are distributed in a staggered mode.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-interference condenser of metallization polyester film possesses following beneficial effect:

1. this anti-interference condenser of metallization polyester film through setting up damping device, first protective layer and visor, can effectually prevent that the condenser from receiving external interference, has avoided the condenser to receive the damage because of external interference, influences the result of use of condenser, has prolonged the life of condenser.

2. This anti-interference condenser of metallization polyester film through setting up locating hole and locating pin, the mounted position of location to the capacitor body that can be accurate has avoided the condenser to lead to the problem appearance that the condenser quality is poor because of the installation is inaccurate, has improved the production efficiency and the qualification rate of condenser, has saved the cost.

Drawings

FIG. 1 is a schematic sectional view of the structure of the present invention;

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

FIG. 3 is a schematic top sectional view of the structure of the present invention;

fig. 4 is an enlarged cross-sectional view of the present invention at a in fig. 1.

In the figure: 1. a housing; 2. a first protective layer; 3. a capacitor storage bin; 4. a capacitor body; 5. a metallized polyester film layer; 6. a positive collector electrode; 7. a positive electrode lead; 8. a second protective layer; 9. a protective cover; 10. a negative electrode lead; 11. an anti-jamming device; 12. a negative collector electrode; 13. a negative electrode plate; 14. a positive electrode plate; 15. positioning holes; 16. positioning pins; 17. a fixed block; 18. a chute; 19. a connecting rod; 20. A damping spring; 21. a shock-absorbing device.

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.

Referring to fig. 1-4, a metalized polyester film anti-interference capacitor includes a housing 1, a first protective layer 2 is fixedly connected to an outer wall of the housing 1, a protective cover 9 is fixedly connected to a bottom of the housing 1, a second protective layer 8 is fixedly connected to a top of the protective cover 9, the first protective layer 2 and the second protective layer 8 are both made of epoxy resin material, a capacitor placing bin 3 is disposed inside the housing 1, a positioning pin 16 is fixedly connected to a top of the capacitor placing bin 3, a capacitor body 4 is disposed inside the capacitor placing bin 3, a positioning hole 15 is disposed on a top of the capacitor body 4, by disposing the positioning hole 15 and the positioning pin 16, a mounting position of the capacitor body 4 can be accurately positioned, thereby avoiding a problem of poor quality of the capacitor due to inaccurate installation of the capacitor, and improving production efficiency and qualification rate of the capacitor, the cost is saved, the damping devices 21 are fixedly connected between the outer wall of the capacitor body 4 and the inside of the shell 1, the damping devices 21 are multiple, the damping devices 21 are uniformly distributed around the inside of the shell 1, the damping devices 21, the first protective layer 2, the second protective layer 8 and the protective cover 9 are arranged, the capacitor can be effectively prevented from being interfered by the outside, the capacitor is prevented from being damaged due to the outside interference, the use effect of the capacitor is prevented from being influenced, the service life of the capacitor is prolonged, the damping devices 21 comprise fixing blocks 17, sliding grooves 18 are formed in the fixing blocks 17, connecting rods 19 are arranged in the sliding grooves 18, one ends of the connecting rods 19 extend out of the sliding grooves 18 and are fixedly connected with the outer wall of the capacitor body 4, the damping springs 20 are arranged on the outer wall of the connecting rods 19, one ends of the damping springs 20 are connected with, the other end of damping spring 20 and the outer wall fixed connection of one side of fixed block 17, the inner wall fixedly connected with metallized polyester film layer 5 of capacitor body 4, inner wall one side fixedly connected with positive collector 6 of metallized polyester film layer 5, the bottom fixedly connected with positive lead 7 of positive collector 6, one side fixedly connected with positive electrode plate 14 of positive collector 6, the inner wall opposite side fixedly connected with negative collector 12 of metallized polyester film layer 5, the bottom fixedly connected with negative lead 10 of negative collector 12, positive lead 7 and negative lead 10 all stretch out capacitor body 4 and run through visor 9, one side fixedly connected with negative electrode plate 13 of negative collector 12, negative electrode plate 13 and positive electrode plate 14 all have a plurality ofly, a plurality of negative electrode plates 13 and the crisscross distribution of positive electrode plate 14, the bottom middle part fixedly connected with anti jamming unit 11 of capacitor body 4.

The working principle is as follows: when the capacitor body 4 is interfered, the anti-interference device 11 starts to work, meanwhile, the shock-absorbing device 21 can transmit the vibration force received by the capacitor body 4 to the connecting rod 19, the connecting rod 19 slides in the sliding groove 18 in the fixed block 17, at the same time, the shock-absorbing spring 20 is compressed, the vibration force is converted into the elasticity of the shock-absorbing spring 20, the capacitor body 4 is protected, and the capacitor body 4 is prevented from being damaged by the vibration force, first protective layer 2 and second protective layer 8 are made by epoxy, possess good heat resistance and electrical insulation, can protect capacitor body 4 not receive outside influence, and visor 9 can prevent that capacitor body 4 from having the condenser to place roll-off in the storehouse 3 to can prevent that external dust from entering into capacitor body 4 inside, cause capacitor body 4's damage.

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. An anti-interference capacitor of metallized polyester film, includes casing (1), its characterized in that: the outer wall of the shell (1) is fixedly connected with a first protective layer (2), the bottom of the shell (1) is fixedly connected with a protective cover (9), the top of the protective cover (9) is fixedly connected with a second protective layer (8), the interior of the shell (1) is provided with a capacitor placing bin (3), the top of the capacitor placing bin (3) is fixedly connected with a positioning pin (16), the interior of the capacitor placing bin (3) is provided with a capacitor body (4), the top of the capacitor body (4) is provided with a positioning hole (15), a damping device (21) is fixedly connected between the outer wall of the capacitor body (4) and the interior of the shell (1), the damping device (21) comprises a fixed block (17), the interior of the fixed block (17) is provided with a sliding groove (18), and the interior of the sliding groove (18) is provided with a connecting rod, one end of the connecting rod (19) extends out of the sliding groove (18) and is fixedly connected with the outer wall of the capacitor body (4), the outer wall of the connecting rod (19) is provided with a damping spring (20), the inner wall of the capacitor body (4) is fixedly connected with a metalized polyester film layer (5), one side of the inner wall of the metallized polyester film layer (5) is fixedly connected with a positive collector (6), the bottom of the positive collector (6) is fixedly connected with a positive lead (7), one side of the positive collector (6) is fixedly connected with a positive electrode plate (14), the other side of the inner wall of the metallized polyester film layer (5) is fixedly connected with a negative collector electrode (12), the bottom of the negative collector (12) is fixedly connected with a negative lead (10), one side of the negative collector (12) is fixedly connected with a negative electrode plate (13), the middle part of the bottom end of the capacitor body (4) is fixedly connected with an anti-interference device (11).

2. The metallized polyester film anti-interference capacitor of claim 1, wherein: the first protective layer (2) and the second protective layer (8) are both made of epoxy resin materials.

3. The metallized polyester film anti-interference capacitor of claim 1, wherein: the number of the positioning pins (16) and the number of the positioning holes (15) are four, the four positioning pins (16) and the four positioning holes (15) are uniformly distributed, and the positioning holes (15) correspond to the positioning pins (16).

4. The metallized polyester film anti-interference capacitor of claim 1, wherein: the damping device (21) have a plurality ofly, a plurality ofly damping device (21) evenly distributed is around the inside of casing (1).

5. The metallized polyester film anti-interference capacitor of claim 1, wherein: one end of the damping spring (20) is connected with the outer wall of the capacitor body (4), and the other end of the damping spring (20) is fixedly connected with the outer wall of one side of the fixing block (17).

6. The metallized polyester film anti-interference capacitor of claim 1, wherein: the positive lead (7) and the negative lead (10) extend out of the capacitor body (4) and penetrate through the protective cover (9).

7. The metallized polyester film anti-interference capacitor of claim 1, wherein: the number of the negative electrode plates (13) and the number of the positive electrode plates (14) are multiple, and the negative electrode plates (13) and the positive electrode plates (14) are distributed in a staggered mode.