CN213583514U

CN213583514U - High-frequency resonance capacitor

Info

Publication number: CN213583514U
Application number: CN202022841720.4U
Authority: CN
Inventors: 李建军; 魏三春
Original assignee: Dongguan Hongfarad Electronic Co ltd
Current assignee: Dongguan Hongfarad Electronic Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-06-29
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to a condenser technical field especially relates to a high frequency resonance condenser, including the core, the metallization polypropylene membrane, the retainer plate, heat radiation fins and insulating casing, the surface at the core is twined to the metallization polypropylene membrane, the surface at the metallization polypropylene membrane is established to the retainer plate cover, heat radiation fins fixed connection is at the inside wall of retainer plate, and heat radiation fins's inboard and the surface contact of metallization polypropylene membrane, insulating casing fixes the cup joint at the surface of retainer plate, the first fixed disk of the equal fixedly connected with in top and bottom and the second fixed disk of insulating casing, first fixed disk, the diameter of second fixed disk and insulating casing equals. The utility model discloses well heat radiation fins and the surface in close contact with of metallization polypropylene membrane, heat radiation fins absorb the heat that metallization polypropylene membrane surface produced to the form of convection current gives off the heat, has played radiating effect to the condenser, has guaranteed the normal use of condenser.

Description

High-frequency resonance capacitor

Technical Field

The utility model relates to a condenser technical field especially relates to a high frequency resonance condenser.

Background

The two conductors which are close to each other sandwich a layer of non-conductive insulating medium, so that a capacitor is formed, wherein the resonant capacitor is a key power device in the high-frequency induction heating device and is matched with other elements in a circuit to generate resonant current to drive the heating device to heat up, so that the high-frequency resonant capacitor generates a large amount of heat in the working process, and the capacitor is burnt out due to the fact that the high-frequency resonant capacitor generates a large amount of heat and can be caused to have too high temperature after being used for a long time, the service life of the capacitor is influenced, and certain potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high frequency resonance capacitor possesses radiating advantage, has solved because high frequency resonance capacitor's calorific capacity is very big, after long-time use, can lead to the high temperature of condenser, causes the condenser to be burnt out, influences the life of condenser, and has the problem of certain potential safety hazard.

In order to realize the technical problem, the utility model provides such high frequency resonance capacitor, including core, metallization polypropylene membrane, retainer plate, heat radiation fins and insulating casing, the surface at the core is twined to metallization polypropylene membrane, the surface at metallization polypropylene membrane is established to the retainer plate cover, heat radiation fins fixed connection is at the inside wall of retainer plate, and heat radiation fins's inboard and metallization polypropylene membrane's surface contact, insulating casing is fixed cup joints the surface at the retainer plate.

Further, the top and the bottom of insulating casing are all fixedly connected with first fixed disk and second fixed disk, the diameter of first fixed disk, second fixed disk and insulating casing equals.

Further, the top of first fixed disk and second fixed disk is the circumference equidistance and has seted up the through-hole that runs through, the through-hole corresponds with heat radiation fins's position.

Furthermore, copper electrodes are embedded in the middle of the first fixing disk and the middle of the second fixing disk, and the two copper electrodes are welded to the top and the bottom of the core respectively.

Further, the core is a hard core rod, and a threaded hole is formed in the middle of the outer side of the copper electrode.

Further, the equal swing joint in outside of first fixed disk and second fixed disk has the fixed plate, the bottom fixedly connected with support of fixed plate, the bottom fixedly connected with base of support.

Borrow by above-mentioned technical scheme, the utility model provides a high frequency resonance condenser possesses following beneficial effect at least:

1. this high frequency resonance capacitor uses through the cooperation of retainer plate, heat radiation fin and insulating casing, and heat radiation fin and the surface in close contact with of metallization polypropylene membrane, heat radiation fin absorb the heat that metallization polypropylene membrane surface produced to the form of convection current gives off the heat, has played radiating effect to the condenser, has guaranteed the normal use of condenser.

2. This high frequency resonance capacitor through the setting of first fixed disk and second fixed disk, is equipped with the through-hole on first fixed disk and the second fixed disk, and the intercommunication of retainer plate inside air can have been guaranteed to the through-hole for heat radiation fins convectional heat dissipation's effect has improved the life of capacitor.

3. This high frequency resonance condenser, through the setting of copper electrode and screw hole, the screw hole is convenient for outside connection end connect spacingly, connects stably, and is convenient quick, simultaneously, has increased the area of contact with the link, and great area of contact has improved the effect of temperature diffusion, and is further, has improved radiating effect.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application:

FIG. 1 is a schematic view of the core and metallized polypropylene film structure of the present invention;

fig. 2 is a schematic structural view of the fixing ring, the heat dissipation fins and the insulating housing of the present invention;

fig. 3 is a schematic view of the structure of the insulating housing and the base of the present invention.

In the figure: 1. a core; 2. a metallized polypropylene film; 3. a stationary ring; 4. heat dissipation fins; 5. an insulating housing; 6. a first fixed disk; 7. a copper electrode; 8. a threaded hole; 9. a through hole; 10. a second fixed disk; 11. a fixing plate; 12. a support; 13. a base.

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. 1-3, the present invention provides a technical solution: a high-frequency resonance capacitor comprises a core 1, a metalized polypropylene film 2, a fixing ring 3, heat radiating fins 4 and an insulating shell 5, wherein the metalized polypropylene film 2 is wound on the outer surface of the core 1, the fixing ring 3 is sleeved on the outer surface of the metalized polypropylene film 2, the heat radiating fins 4 are fixedly connected to the inner side wall of the fixing ring 3, the inner sides of the heat radiating fins 4 are in contact with the outer surface of the metalized polypropylene film 2, the insulating shell 5 is fixedly sleeved on the outer surface of the fixing ring 3, the heat radiating fins 4 are matched with the insulating shell 5 for use, the heat radiating fins 4 are in close contact with the outer surface of the metalized polypropylene film 2, the heat generated on the surface of the metalized polypropylene film 2 is absorbed by the heat radiating fins 4, the heat is radiated in a convection mode, a heat radiating effect is achieved on the capacitor, and the normal use of the capacitor is guaranteed.

The top and the bottom of the insulating shell 5 are fixedly connected with a first fixed disk 6 and a second fixed disk 10, the diameters of the first fixed disk 6, the second fixed disk 10 and the insulating shell 5 are equal, the tops of the first fixed disk 6 and the second fixed disk 10 are provided with through holes 9 which are penetrated at equal intervals, the through holes 9 correspond to the positions of the heat dissipation fins 4, through the arrangement of the first fixed disk 6 and the second fixed disk 10, the through holes 9 are arranged on the first fixed disk 6 and the second fixed disk 10, the communication of air in the fixed ring 3 can be ensured by the through holes 9, the convection heat dissipation effect of the heat dissipation fins 4 is accelerated, the service life of the capacitor is prolonged, copper electrodes 7 are embedded in the middle parts of the first fixed disk 6 and the second fixed disk 10, the two copper electrodes 7 are respectively welded at the top and the bottom of the core 1, the core 1 is a hard core rod, the middle part outside the, through the setting of copper electrode 7 and screw hole 8, screw hole 8 is convenient for the connection of external connection end spacing, connect stably, and is convenient quick, simultaneously, increased with the area of contact of link, great area of contact has improved the effect of temperature diffusion, and is further, has improved radiating effect, the equal swing joint in the outside of first fixed disk 6 and second fixed disk 10 has fixed plate 11, the bottom fixedly connected with support 12 of fixed plate 11, the bottom fixedly connected with base 13 of support 12.

When using, heat radiation fins 4 and the surface in close contact with of metallization polypropylene membrane 2, heat radiation fins 4 absorb the heat that metallization polypropylene membrane 2 surface produced, give off the heat with the form of convection current, radiating effect has been played to the condenser, be equipped with through-hole 9 on first fixed disk 6 and the second fixed disk 10, the intercommunication of 3 inside air of retainer plate can be guaranteed to through-hole 9, accelerate heat radiation fins 4 convection current radiating effect, screw hole 8 is convenient for the connection of outside link is spacing, connect stably, it is convenient quick, and simultaneously, the area of contact with the link has been increased, great area of contact has improved the effect of temperature diffusion, radiating effect has been improved, the normal use of condenser has been guaranteed, the life of condenser has been prolonged.

It is right above that the utility model provides a high frequency resonance capacitor has carried out the detailed introduction. The utility model discloses it is right to have used specific individual example the utility model discloses a principle and implementation have been elucidated, and the explanation of above embodiment is only used for helping understanding the utility model discloses a method and core thought thereof. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A high-frequency resonance capacitor comprises a core (1), a metallized polypropylene film (2), a fixing ring (3), a heat dissipation fin (4) and an insulating shell (5), and is characterized in that: metallized polypropylene membrane (2) winding is at the surface of core (1), the surface of metallized polypropylene membrane (2) is established in retainer plate (3) cover, heat radiation fins (4) fixed connection are at the inside wall of retainer plate (3), and the inboard of heat radiation fins (4) and the surface contact of metallized polypropylene membrane (2), insulating casing (5) are fixed cup joints the surface at retainer plate (3).

2. A high-frequency resonance capacitor as claimed in claim 1, wherein: the top and the bottom of insulating housing (5) are fixedly connected with a first fixed disk (6) and a second fixed disk (10), and the diameters of the first fixed disk (6), the second fixed disk (10) and the insulating housing (5) are equal.

3. A high-frequency resonance capacitor as claimed in claim 2, wherein: the top of first fixed disk (6) and second fixed disk (10) is circumference equidistance and offers through-hole (9) that run through, through-hole (9) correspond with heat radiation fin (4)'s position.

4. A high-frequency resonance capacitor as claimed in claim 2, wherein: the middle parts of the first fixed disk (6) and the second fixed disk (10) are embedded with copper electrodes (7), and the two copper electrodes (7) are welded at the top and the bottom of the core (1) respectively.

5. A high-frequency resonance capacitor as claimed in claim 4, wherein: the core (1) is a hard core rod, and a threaded hole (8) is formed in the middle of the outer side of the copper electrode (7).

6. A high-frequency resonance capacitor as claimed in claim 2, wherein: the outer sides of the first fixed disk (6) and the second fixed disk (10) are both movably connected with a fixed plate (11), the bottom of the fixed plate (11) is fixedly connected with a support (12), and the bottom of the support (12) is fixedly connected with a base (13).