CN217983090U

CN217983090U - From taking shielding capacitor

Info

Publication number: CN217983090U
Application number: CN202222019919.8U
Authority: CN
Inventors: 赵立娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-12-06
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a from area shielding condenser, including upper polar plate and lower plate, upper polar plate and subordinate's board parallel arrangement, the electric capacity inner core is installed to the centre of upper polar plate and subordinate's board, and the periphery parcel of electric capacity inner core has the shielding area, and upper polar plate and lower plate be connected with the closure plate all around. The utility model discloses simple structure, the effectual condenser volume that has reduced reduces the cost of manufacture, effectively prevents electromagnetic radiation and electromagnetic interference that the condenser produced to electric circuit simultaneously, improves electric capacity inner core life, has increased the stability in use.

Description

From taking shielding capacitor

Technical Field

The utility model relates to an electric capacity inner core ware technical field especially relates to a from taking shielding capacitor.

Background

At present, a part of capacitor inner core devices need to be used in a high-frequency large-current environment, the frequency ranges from 10KHZ to 900KHZ, electromagnetic interference on products is larger when the frequency is higher in the environment, loss of the capacitor inner core devices is increased as a result of magnetic field interference, calorific value is increased, material characteristics can be damaged after the time is long, and finally the products are completely damaged.

In order to reduce the damage of the capacitor inner core device caused by the interference of a magnetic field to the capacitor inner core device, the method is mainly implemented domestically and internationally by adding a set of red copper tinned capacitor inner core device box outside the capacitor inner core device and shielding the red copper tinned capacitor inner core device box. Therefore, the novel electric wire connector easily occupies a larger installation and use space, influences the effective compact layout of other components, is not beneficial to the development requirement of the compactness of modern products, and even influences the electromagnetic compatibility of the whole electric circuit, so that the service life and the use stability of the product are adversely influenced.

Therefore, how to develop a novel self-contained shielding capacitor with a compact structure, and directly connect the shielding belt into the capacitor inner core device, solves the interference problem of the magnetic field to the capacitor inner core device, and becomes a technical problem to be solved urgently by the technical staff in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from taking shielding capacitor, solve the external shielding box body of prior art, it is bulky, problem that occupation space is big.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model relates to a from area shielding condenser, including upper polar plate and lower plate, upper polar plate and subordinate's board parallel arrangement, the electric capacity inner core is installed to the centre of upper polar plate and lower plate, the periphery parcel of electric capacity inner core has the shielding area, be connected with the shut around upper polar plate and lower plate.

Furthermore, a plurality of connecting pieces are connected to one side of the opposite surfaces of the upper pole plate and the lower pole plate, and threaded holes are formed in the centers of the connecting pieces.

Furthermore, five connecting pieces are arranged, wherein four connecting pieces are symmetrically arranged at four corners of the upper polar plate and the lower polar plate, and the other connecting piece is positioned at the centers of the upper polar plate and the lower polar plate; the center of the opposite surface of the upper polar plate and the lower polar plate is provided with a circular positioning groove, and the diameter of the positioning groove is matched with the outer diameter of the capacitor inner core.

Further, the connecting piece is welded or bonded on the opposite surfaces of the upper pole plate and the lower pole plate.

Furthermore, the upper polar plate and the lower polar plate are made of copper plate materials.

Furthermore, the shielding belt is wound and wrapped on the outer peripheral surface of the capacitor inner core, the surface of the shielding belt is wound with a high-pressure and high-temperature resistant insulating material, and the shielding belt is embedded into the positioning groove and then is welded and positioned through soldering tin.

Furthermore, the shielding belt adopts a copper wire mesh shielding layer, an aluminum foil shielding layer or a copper foil shielding layer.

Compared with the prior art, the utility model discloses a beneficial technological effect:

the utility model discloses simple structure through integrated as an organic whole with the electric capacity inner core with the shielding area, installs between the board of upper and lower level, the effectual condenser volume that has reduced reduces the cost of manufacture, effectively prevents electromagnetic radiation and electromagnetic interference that the condenser produced electric circuit simultaneously, improves electric capacity inner core life, has increased stability in use.

Drawings

The present invention will be further explained with reference to the accompanying drawings.

FIG. 1 is a front view (half-section) of the self-shielding capacitor of the present invention;

fig. 2 is a top view (half-section) of the self-shielding capacitor of the present invention;

FIG. 3 is a front view of the upper plate (lower plate) of the present invention;

fig. 4 is a top view of the upper plate (lower plate) of the present invention;

description of reference numerals: 1. an upper polar plate; 101. positioning a groove; 2. an inner core of a capacitor; 3. a shielding tape; 4. a closing plate; 5. a lower plate; 6. a connecting member.

Detailed Description

As shown in fig. 1-4, a from area shielding capacitor, includes upper plate 1 and subordinate's board 5, upper plate 1 and subordinate's board 5 parallel arrangement, electric capacity inner core 2 is installed to the centre of upper plate 1 and subordinate's board 5, electric capacity inner core 2's periphery parcel has shielding area 3, be connected with closing plate 4 around upper plate 1 and subordinate's board 5. Specifically, the closing plate is in seamless fixed connection with the upper polar plate 1, the lower polar plate 5 and the adjacent closing plate, and the closing plate is made of an electrostatic shielding plasticized plate. Through being integrated as an organic whole with the electric capacity inner core with the shielding area, install between the board of upper and lower level, the effectual condenser volume that has reduced reduces the cost of manufacture, effectively prevents electromagnetic radiation and electromagnetic interference that the condenser produced electric circuit simultaneously.

As shown in fig. 3 and 4, a plurality of connectors 6 are connected to the opposite sides of the upper plate 1 and the lower plate 5, and a threaded hole for external fixation is formed in the center of each connector 6. Specifically, five connecting pieces 6 are provided, four of which are symmetrically arranged at four corners of the upper polar plate 1 and the lower polar plate 5, and the other is positioned at the center of the upper polar plate 1 and the lower polar plate 5; the opposite face center of upper polar plate 1 and subordinate's board 5 is provided with circular shape constant head tank 101, the diameter of constant head tank 101 with the external diameter phase-match of electric capacity inner core 2.

The connecting piece 6 is welded or bonded on the opposite surfaces of the upper polar plate 1 and the lower polar plate 5. The upper polar plate 1 and the lower polar plate 5 are made of copper plate materials.

Specifically, the shielding tape 3 is wound and wrapped on the outer peripheral surface of the capacitor inner core 2, the surface of the shielding tape 3 is wound with a high-pressure and high-temperature resistant insulating material, and the shielding tape 3 is embedded into the positioning groove 101 and then is welded and positioned through soldering tin. The shielding belt 3 adopts a copper wire mesh shielding layer, an aluminum foil shielding layer or a copper foil shielding layer, reduces electromagnetic radiation and electromagnetic interference generated to an electric circuit, and improves electromagnetic compatibility.

The utility model discloses an installation use as follows:

firstly, the upper polar plate 1 is connected with the positive pole of current, the lower polar plate 5 is connected with the negative pole of a power supply, and the capacitor with the shielding is fixedly connected into a circuit through a connecting piece 6; the current in the circuit is charged into the capacitor inner core 2 through the upper polar plate 1, and then is uniformly transmitted through the distribution of the lower plate 5.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.

Claims

1. The utility model provides a from area shielding capacitor, includes upper plate (1) and board (5) of subordinate, upper plate (1) and board (5) parallel arrangement of subordinate, its characterized in that: electric capacity inner core (2) are installed to the centre of top plate (1) and subordinate board (5), the periphery parcel of electric capacity inner core (2) has shielding area (3), be connected with all around of top plate (1) and subordinate board (5) closed board (4).

2. The self-shielded capacitor of claim 1, wherein: the opposite face one side of going up polar plate (1) and subordinate board (5) is connected with a plurality of connecting pieces (6), the center of connecting piece (6) is provided with the screw hole.

3. The self-shielded capacitor of claim 2, wherein: the connecting pieces (6) are provided with five, wherein four connecting pieces are symmetrically arranged at four corners of the upper polar plate (1) and the lower polar plate (5), and the other connecting piece is positioned at the centers of the upper polar plate (1) and the lower polar plate (5); the opposite face center of going up polar plate (1) and subordinate board (5) is provided with circular shape constant head tank (101), the diameter of constant head tank (101) with the external diameter phase-match of electric capacity inner core (2).

4. The self-shielded capacitor of claim 3, wherein: the connecting piece (6) is welded or bonded on the opposite surfaces of the upper polar plate (1) and the lower polar plate (5).

5. The self-shielded capacitor of claim 3, wherein: the upper polar plate (1) and the lower polar plate (5) are made of copper plate materials.

6. The self-shielded capacitor of claim 3, wherein: the shielding belt (3) is wound and wrapped on the outer peripheral surface of the capacitor inner core (2), the surface of the shielding belt (3) is wound with a high-pressure and high-temperature resistant insulating material, and the shielding belt (3) is embedded into the positioning groove (101) and then is welded and positioned through soldering tin.

7. The self-shielded capacitor as recited in claim 6, wherein: the shielding belt (3) adopts a copper wire mesh shielding layer, an aluminum foil shielding layer or a copper foil shielding layer.