CN213459447U

CN213459447U - Film capacitor with lower running noise just possesses compressive structures

Info

Publication number: CN213459447U
Application number: CN202022920910.5U
Authority: CN
Inventors: 余超
Original assignee: Dongguan Ajc Industrial Co ltd
Current assignee: Dongguan Ajc Industrial Co ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-06-15
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a film capacitor with lower running noise just possesses compressive structures, including shell and coiling membrane, the both sides top of shell is fixed with the electrode end, and the bottom of electrode end is provided with the end cover, the middle-end top of end cover is provided with the shrouding, the coiling membrane sets up in the inner wall of shell, and is provided with the fin on the left of the inside of coiling membrane, the avris of fin is provided with first wax sealing layer, and the avris on first wax sealing layer is provided with the bass membrane. This film capacitor who has lower operating noise and possess compressive structures is provided with the honeycomb layer, laminates each other between honeycomb layer and the capacitor body, and the honeycomb layer has stronger compressive capacity, and is too high when capacitor body temperature, may lead to the capacitor body to produce the inflation to cause the damage of impact to the shell, consequently set up the honeycomb layer, can cushion the pressure of impact, reduce the pressure that the inside inflation of capacitor body brought, avoid causing the damage to the circuit board.

Description

Film capacitor with lower running noise just possesses compressive structures

Technical Field

The utility model relates to a condenser technical field specifically is a film capacitor who has lower noise of operation and possesses compressive structures.

Background

Today, a capacitor depends on a dielectric, and is of many kinds, for example: electrolyte capacitors, paper capacitors, thin film capacitors, ceramic capacitors, mica capacitors, air capacitors, and the like. But are most frequently used in audio equipment, as are electrolytic capacitors and Film (Film) capacitors. Electrolytic capacitors are often used in places where a large capacitance is required, such as filter capacitors in the main power supply section, which also serve to store electric energy in addition to filtering. The thin film capacitor is widely used in the place of the cross connection of analog signals, the bypass of power supply noise (anti-cross connection), and the like.

In the use of the film capacitor in the market, the internal noise may be large, meanwhile, the internal pressure resistance performance is poor, and the heat dissipation performance of the capacitor is weak.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film capacitor who has lower noise of operation and possess compressive structures to the noise of the inside of proposing in solving above-mentioned background art can be great, and inside compressive property is relatively poor simultaneously, the relatively weak problem of heat dispersion of condenser.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a film capacitor with lower noise of operation just possesses compressive structures, includes shell and coiling membrane, the both sides top of shell is fixed with the electrode end, and the bottom of electrode end is provided with the end cover, the middle-end top of end cover is provided with the shrouding, the bottom of end cover is provided with explosion-proof apron, and the bottom both sides of explosion-proof apron are provided with the honeycomb layer, the inside on honeycomb layer is provided with capacitor body, and capacitor body's bottom is provided with sealed the pad, the coiling membrane sets up in the inner wall of shell, and is provided with the fin on the left of the inside of coiling membrane, the avris of fin is provided with first wax sealing layer, and the avris on first wax sealing layer is provided with the bass membrane, the right side of bass membrane is provided with second wax sealing.

Preferably, the electrode end is fixedly connected with the capacitor body, and the electrode end is vertical along the capacitor body.

Preferably, the honeycomb layer and the capacitor body are mutually attached, and the honeycomb layer is in a wrapping shape.

Preferably, the second wax sealing layer and the bass membrane are mutually attached, and the second wax sealing layer is wrapped.

Preferably, the radiating fins are attached to the honeycomb layer, and the radiating fins are wrapped.

Preferably, the housing and the capacitor body form a closed structure through a gasket, and the gasket is distributed horizontally.

Compared with the prior art, the beneficial effects of the utility model are that: this film capacitor who has lower operating noise and possess compressive structures is provided with the honeycomb layer, laminates each other between honeycomb layer and the capacitor body, and the honeycomb layer has stronger compressive capacity, and is too high when capacitor body temperature, may lead to the capacitor body to produce the inflation to cause the damage of impact to the shell, consequently set up the honeycomb layer, can cushion the pressure of impact, reduce the pressure that the inside inflation of capacitor body brought, avoid causing the damage to the circuit board.

Laminating each other between second wax sealing layer and the bass membrane, laminating each other between through second wax sealing layer and the bass membrane to reduce the gap between the rete, in order to reach the effect of noise reduction, set up first wax sealing layer and second wax sealing layer simultaneously, form two sound insulation areas, can reduce the pollution of capacitor body noise to the environment when using.

Laminating each other between fin and the honeycomb layer, when the capacitor body high temperature, set up the fin, give the fin with the inside heat fast transfer of capacitor body to dispel the heat, the fin leads the end cover with the heat through the capacitor body simultaneously, and the end cover transmits the outside with the temperature, can have the radiating efficiency of effectual improvement condenser itself, thereby has improved the high temperature resistance of capacitor body, improves capacitor body life.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

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

fig. 3 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. an electrode terminal; 3. an end cap; 4. closing the plate; 5. an explosion-proof cover plate; 6. a honeycomb layer; 7. a capacitor body; 8. a gasket; 9. winding the film; 10. a heat sink; 11. a first wax sealing layer; 12. a bass membrane; 13. and a second wax sealing layer.

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. 1-3, the present invention provides a technical solution: a film capacitor with low operation noise and a compression-resistant structure comprises a shell 1, electrode ends 2, end covers 3, sealing plates 4, an explosion-proof cover plate 5, a honeycomb layer 6, a capacitor body 7, a sealing gasket 8, a winding film 9, radiating fins 10, a first wax sealing layer 11, a bass film 12 and a second wax sealing layer 13, wherein the electrode ends 2 are fixed at the top ends of the two sides of the shell 1, the end covers 3 are arranged at the bottom parts of the electrode ends 2, the sealing plate 4 is arranged at the top part of the middle end of each end cover 3, the explosion-proof cover plate 5 is arranged at the bottom part of each end cover 3, the honeycomb layers 6 are arranged at the two sides of the bottom part of each explosion-proof cover plate 5, the capacitor body 7 is arranged inside each honeycomb layer 6, the sealing gasket 8 is arranged at the bottom part of each capacitor body 7, the winding film 9 is arranged on the inner wall of the shell 1, the radiating fins 10, and the side of the first wax sealing layer 11 is provided with a bass membrane 12, and the right side of the bass membrane 12 is provided with a second wax sealing layer 13.

The electrode end 2 is fixedly connected with the capacitor body 7, the electrode end 2 is vertical along the capacitor body 7, the electrode end 2 is fixedly connected with the capacitor body 7, so that the integral structure between the electrode end 2 and the capacitor body 7 is stable, the connection strength of the connection part is high, and the whole part is vertically distributed, so that the gravity center stability of the whole part can be effectively guaranteed, and the long-term use of the part is met;

the honeycomb layer 6 and the capacitor body 7 are mutually attached, the honeycomb layer 6 is in a wrapping shape, the honeycomb layer 6 has strong pressure resistance, when the temperature of the capacitor body 7 is too high, the capacitor body 7 may expand, and the housing 1 is damaged by impact, so that the honeycomb layer 6 is arranged, the impact pressure can be buffered, the pressure caused by the expansion in the capacitor body 7 is reduced, and the circuit board is prevented from being damaged;

the second wax sealing layer 13 is attached to the bass membrane 12, the second wax sealing layer 13 is in a wrapping shape, and the second wax sealing layer 13 is attached to the bass membrane 12, so that gaps between membrane layers are reduced, and the effect of reducing noise is achieved;

the radiating fins 10 are mutually attached to the honeycomb layer 6, the radiating fins 10 are wrapped, when the temperature of the capacitor body 7 is too high, the radiating fins 10 are arranged, heat inside the capacitor body 7 is quickly transferred to the radiating fins 10, so that heat is radiated, meanwhile, the radiating fins 10 conduct the heat to the end cover 3 through the capacitor body 7, the end cover 3 transfers the temperature to the outside, the radiating efficiency of the capacitor can be effectively improved, the high-temperature resistance of the capacitor body 7 is improved, and the service life of the capacitor body 7 is prolonged;

the shell 1 forms the enclosed construction through sealed pad 8 and capacitor body 7, and sealed pad 8 is the horizontal form and distributes, and shell 1 and capacitor body 7 are as the core main part of whole condenser, and its main action lies in can sealing capacitor body 7 to make to match between sealed pad 8 and capacitor body 7 and the electrode end 2, and seal the protection to inside, satisfy user's long-term use.

The working principle is as follows: for the film capacitor with lower operation noise and compression-resistant structure, firstly, the electrode end 2 is fixedly connected with the capacitor body 7, so that the whole structure between the electrode end 2 and the capacitor body 7 is stable, the honeycomb layer 6 has stronger compression-resistant capability, when the temperature of the capacitor body 7 is too high, the capacitor body 7 may be expanded, and thus the shell 1 is damaged by impact, therefore, the honeycomb layer 6 is arranged, the impact pressure can be buffered, the pressure caused by the expansion in the capacitor body 7 is reduced, the circuit board is prevented from being damaged, when the temperature of the capacitor body 7 is too high, the radiating fin 10 is arranged, the heat in the capacitor body 7 is rapidly transmitted to the radiating fin 10, and thus the heat is radiated, the second wax sealing layer 13 is mutually attached to the bass film 12, and thus the gap between the films is reduced, in order to reach the effect of noise reduction, set up first wax layer 11 and second wax layer 13 simultaneously, form two sound insulation district, can reduce capacitor body 7 noise when using to the pollution of environment.

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. A film capacitor with low operating noise and with a pressure-resistant structure, comprising a housing (1) and a winding film (9), characterized in that: the top ends of the two sides of the shell (1) are fixed with electrode ends (2), the bottom of the electrode end (2) is provided with an end cover (3), a sealing plate (4) is arranged at the top of the middle end of the end cover (3), an explosion-proof cover plate (5) is arranged at the bottom of the end cover (3), and both sides of the bottom of the explosion-proof cover plate (5) are provided with honeycomb layers (6), a capacitor body (7) is arranged inside the honeycomb layers (6), and the bottom of the capacitor body (7) is provided with a sealing gasket (8), the winding film (9) is arranged on the inner wall of the shell (1), a radiating fin (10) is arranged on the left side inside the winding film (9), a first wax sealing layer (11) is arranged on the side of the radiating fin (10), and the avris of first wax sealing layer (11) is provided with bass membrane (12), the right side of bass membrane (12) is provided with second wax sealing layer (13).

2. The film capacitor with low operation noise and pressure-resistant structure as claimed in claim 1, wherein: the electrode end (2) is fixedly connected with the capacitor body (7), and the electrode end (2) is vertical along the capacitor body (7).

3. The film capacitor with low operation noise and pressure-resistant structure as claimed in claim 1, wherein: the honeycomb layer (6) and the capacitor body (7) are mutually attached, and the honeycomb layer (6) is wrapped.

4. The film capacitor with low operation noise and pressure-resistant structure as claimed in claim 1, wherein: the second wax sealing layer (13) is attached to the bass membrane (12), and the second wax sealing layer (13) is wrapped.

5. The film capacitor with low operation noise and pressure-resistant structure as claimed in claim 1, wherein: the radiating fins (10) are mutually attached to the honeycomb layer (6), and the radiating fins (10) are wrapped.

6. The film capacitor with low operation noise and pressure-resistant structure as claimed in claim 1, wherein: the shell (1) and the capacitor body (7) form a closed structure through a sealing gasket (8), and the sealing gasket (8) is distributed horizontally.