CN220653343U

CN220653343U - Improved anti-interference filter

Info

Publication number: CN220653343U
Application number: CN202322369570.5U
Authority: CN
Inventors: 赵彬; 李志�
Original assignee: Shenzhen Xinhaiying Electronic Technology Co ltd
Current assignee: Shenzhen Xinhaiying Electronic Technology Co ltd
Priority date: 2023-09-01
Filing date: 2023-09-01
Publication date: 2024-03-22
Anticipated expiration: 2033-09-01

Abstract

The utility model discloses an improved anti-interference filter, and belongs to the technical field of filters; the filter comprises a bottom box, a filter body and a top cover, wherein mounting plates are integrally formed on two sides of the bottom box; plug wire holes for the connecting wires to pass through are formed in two sides of the bottom box; a first fixed clamping seat is fixedly arranged at one end of the bottom surface in the bottom box, and a first movable clamping seat is fixedly arranged at the other end of the bottom surface in the bottom box; the filter body is clamped at the tops of the first fixed clamping seat and the first movable clamping seat; the top cover is clamped at the top of the bottom box through a clamping groove; the filter is matched with the bottom box, the first fixed clamping seat, the first movable clamping seat and other structures, so that the bottom box can be fixed firstly during installation, and then the filter body is clamped in the bottom box, so that the installation difficulty is greatly reduced; and through setting up structures such as top cap and electromagnetic shield board, improved the interference killing feature of the utility model greatly.

Description

Improved anti-interference filter

Technical Field

The utility model relates to the technical field of filters, in particular to an improved anti-interference filter.

Background

The filter is a filter circuit consisting of a capacitor, an inductor and a resistor; the filter can effectively filter the frequency points of the specific frequency or the frequencies outside the frequency points in the power line to obtain a power signal of the specific frequency or eliminate the power signal of the specific frequency; the filter is mainly used for: electronic devices, wireless communications, power systems, medical devices, and the like.

Found by search, chinese patent publication No.: CN216253545U discloses a communication filter with interference-free structure, including the communication filter body, the outside of communication filter body is provided with the fixed shell, and the both sides of fixed shell all are provided with the connector lug that is used for connecting the electric wire, the bottom fixedly connected with mounting panel of fixed shell, and the louvre has been seted up to one side of fixed shell to the inner wall fixed mounting of fixed shell has the heat pipe that is used for heat conduction radiating, one side laminating of fixed shell is provided with the shield. This communication filter with interference killing feature, the probe carries out temperature detection to the inside of filter, dispels the heat through the thermantidote when the temperature is too high, and then guarantees that the inside temperature of filter keeps normal, prevents the loss of high Wen Digao filter, and the heat pipe conveniently does not open the inside heat dissipation of filter at the time quantum at the thermantidote, and then reduces the use of thermantidote, has increased radiating energy-conserving effect, and then has guaranteed the holistic energy-conserving use of filter.

But this utility model also has the following disadvantages:

the filter needs to be installed in other equipment for use, the installation space is narrow, the number of connected lines is large, no matter the lines are connected or the filter is fixed first, the difficulty is increased for the subsequent installation work, the installation process of the filter is troublesome, a certain operation skill is needed, and the utility model does not solve the problem.

Disclosure of Invention

The utility model aims to provide an improved anti-interference filter, which is characterized in that the bottom box, the first fixed clamping seat, the first movable clamping seat and other structures are matched for use, so that the bottom box can be fixed firstly during installation, and then the filter body is clamped in the bottom box, thereby greatly reducing the installation difficulty and solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the improved anti-interference filter comprises a bottom box, a filter body and a top cover, wherein mounting plates are integrally formed on two sides of the bottom box, mounting holes are formed in two ends of the mounting plates, and first bolts are movably mounted in the mounting holes; plug wire holes for the connecting wires to pass through are formed in two sides of the bottom box; a first fixed clamping seat is fixedly arranged at one end of the bottom surface in the bottom box, and a first movable clamping seat is fixedly arranged at the other end of the bottom surface in the bottom box; the filter body is clamped at the tops of the first fixed clamping seat and the first movable clamping seat; the bottom of top cap is provided with the draw-in groove all around, the top cap passes through draw-in groove joint at the top of end box, and the plug wire hole that is used for the connecting wire to pass has been seted up to the top cap both sides.

Preferably, an electromagnetic shielding plate is arranged in the top cover, and the electromagnetic shielding plate is fixed at the top center of the top cover through a second bolt.

Preferably, soundproof cotton is adhered to the inner walls of the bottom box and the top cover through glue.

Preferably, the bottom of the bottom box is provided with a plurality of heat dissipation through holes; and heat dissipation through holes are formed in two ends of the top cover.

Preferably, the first movable clamping seat comprises a fixed plate, a movable plate, a connecting column and a spring; an inner cavity is formed in two ends of the top of the fixed plate, a connecting column is movably mounted in the inner cavity, an anti-falling block is fixedly connected to one end of the inner cavity of the connecting column, and the other end of the connecting column is fixedly connected to one side of the movable plate; the connecting column is sleeved with a spring at one end of the inner cavity, one end of the spring is abutted against the anti-falling block, and the other end of the spring is abutted against the inner wall of the inner cavity.

Preferably, a wire clamping seat for fixing the connecting wire is arranged below the wire plugging hole, and the wire clamping seat is fixedly arranged on two sides of the bottom box.

Preferably, a second fixing clamping seat is arranged in the top cover, and the second fixing clamping seat is fixedly arranged on two sides of the top cover.

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

the filter is characterized in that the filter body is fixedly connected with the bottom box through the first fixing clamping seat, the second fixing clamping seat and the second movable clamping seat; and through setting up structures such as top cap and electromagnetic shield board, improved the interference killing feature of the utility model greatly.

Drawings

FIG. 1 is a schematic diagram of an improved filter structure according to the present utility model;

FIG. 2 is a schematic diagram of an explosion separation structure of the improved filter of the present utility model;

FIG. 3 is a schematic cross-sectional view of an improved filter according to the present utility model;

fig. 4 is a schematic structural diagram of a first movable card holder according to the present utility model.

In the figure: 1. a bottom box; 2. a mounting plate; 3. a plug wire hole; 4. a first fixing clamping seat; 5. a first movable clamping seat; 6. a filter body; 7. a top cover; 8. a clamping groove; 9. an electromagnetic shield plate; 10. soundproof cotton; 11. a heat dissipation through hole; 12. a fixing plate; 13. a movable plate; 14. a connecting column; 15. a spring; 16. a wire clamping seat; 17. and the second fixing clamping seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, the present utility model provides a technical solution:

the utility model provides an improved generation jam-proof wave filter, includes end box 1, wave filter body 6 and top cap 7, the both sides integrated into one piece of end box 1 is provided with mounting panel 2, and the mounting hole has been seted up at mounting panel 2 both ends, and movable mounting has first bolt in the mounting hole, can install the end box 1 alone fixedly through setting up mounting panel 2, has reduced the installation degree of difficulty, and simultaneously mounting panel 2 can lift up end box 1, makes it leave the installation face, is convenient for wave filter body 6 heat dissipation; plug wire holes 3 for the connecting wires to pass through are formed in the two sides of the bottom box 1; a first fixed clamping seat 4 is fixedly arranged at one end of the bottom surface in the bottom box 1, and a first movable clamping seat 5 is fixedly arranged at the other end of the bottom surface in the bottom box 1; the filter body 6 is clamped at the tops of the first fixed clamping seat 4 and the first movable clamping seat 5, and the filter body 6 can be clamped in the bottom box 1 by arranging the first fixed clamping seat 4 and the first movable clamping seat 5, so that the installation difficulty is greatly reduced; the clamping grooves 8 are formed in the periphery of the bottom of the top cover 7, the top cover 7 is clamped at the top of the bottom box 1 through the clamping grooves 8, the wire inserting holes 3 used for the connecting wires to penetrate are formed in the two sides of the top cover 7, and the installation is facilitated by the arrangement of the top cover 7 and the clamping grooves 8, so that the filter body 6 is in a relatively closed environment, and interference can be reduced; the electromagnetic shielding plate 9 is arranged in the top cover 7, the electromagnetic shielding plate 9 is fixed at the top center of the top cover 7 through a second bolt, and an external magnetic field can be shielded through the electromagnetic shielding plate 9, so that the anti-interference capability is improved; the soundproof cotton 10 is adhered to the inner walls of the bottom box 1 and the top cover 7 through glue, and noise generated during operation of the filter body 6 can be reduced through the soundproof cotton 10.

The bottom of the bottom box 1 is provided with a plurality of heat dissipation through holes 11; the two ends of the top cover 7 are provided with heat dissipation through holes 11, and the filter body 6 can be subjected to heat dissipation through the heat dissipation through holes 11; the inside of top cap 7 is provided with second fixed cassette 17, and second fixed cassette 17 fixed mounting is in the top both sides of top cap 7, through setting up second fixed cassette 17, can fix the top of filter body 6 when top cap 7 is covered tightly.

The first movable clamping seat 5 comprises a fixed plate 12, a movable plate 13, a connecting column 14 and a spring 15; the two ends of the top of the fixed plate 12 are provided with inner cavities, the inner cavities are movably provided with connecting columns 14, one ends of the inner cavities of the connecting columns 14 are fixedly connected with anti-falling blocks, and the other ends of the connecting columns 14 are fixedly connected to one side of the movable plate 13; the spring 15 has been cup jointed to spliced pole 14 in the one end of inner chamber, and spring 15 one end is contradicted on the anticreep piece, and the other end of spring 15 is contradicted on the inner wall of inner chamber, uses through setting up fixed plate 12, fly leaf 13, spliced pole 14 and spring 15 cooperation, when being convenient for filter body 6 installation, can press from both sides the tight fixedly with filter body 6.

The below in plug wire hole 3 is provided with the card line seat 16 that is used for fixed connecting wire, and card line seat 16 fixed mounting is in the both sides of end box 1, can fix the connecting wire through setting up card line seat 16, reduces the connecting wire that leads to because of rocking and drops.

When the filter is specifically used, firstly, the mounting plate 2 of the bottom box 1 is fixedly mounted on a mounting surface through a first bolt, the filter body 6 and a connecting wire are mounted, then one side of the filter body 6 is manually propped against the movable plate 13 of the first movable clamping seat 5, the movable plate 13 is slightly pushed, and the movable plate 13 drives the connecting column 14 to press the spring 15 outwards; the filter body 6 is clamped into the tops of the first fixed clamping seat 4 and the first movable clamping seat 5, then the hands are loosened, and the movable plate 13 is reset under the pushing of the spring 15, so that the filter body 6 is clamped; the connecting wire is placed into the wire inserting hole 3, the top cover 7 is clamped in after being aligned with the bottom box 1, and then the connecting wire is pressed into the clamping ring of the wire clamping seat 16.

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

Claims

1. The utility model provides an improved generation jam-proof wave filter, includes end box (1), wave filter body (6) and top cap (7), its characterized in that: the two sides of the bottom box (1) are integrally formed and provided with mounting plates (2), mounting holes are formed in two ends of the mounting plates (2), and first bolts are movably arranged in the mounting holes; plug wire holes (3) for the connecting wires to pass through are formed in the two sides of the bottom box (1); a first fixed clamping seat (4) is fixedly arranged at one end of the bottom surface inside the bottom box (1), and a first movable clamping seat (5) is fixedly arranged at the other end of the bottom surface inside the bottom box (1); the filter body (6) is clamped at the tops of the first fixed clamping seat (4) and the first movable clamping seat (5); the bottom of top cap (7) is provided with draw-in groove (8) all around, top cap (7) are at the top of end box (1) through draw-in groove (8) joint, and plug wire hole (3) that are used for the connecting wire to pass are seted up to top cap (7) both sides.

2. An improved tamper-resistant filter as recited in claim 1, wherein: the inside of top cap (7) is provided with electromagnetic shield board (9), electromagnetic shield board (9) are fixed at the top center of top cap (7) through the second bolt.

3. An improved tamper-resistant filter as recited in claim 1, wherein: the inner walls of the bottom box (1) and the top cover (7) are adhered with soundproof cotton (10) through glue.

4. An improved tamper-resistant filter as recited in claim 1, wherein: a plurality of heat dissipation through holes (11) are formed in the bottom of the bottom box (1); and heat dissipation through holes (11) are formed in two ends of the top cover (7).

5. An improved tamper-resistant filter as recited in claim 1, wherein: the first movable clamping seat (5) comprises a fixed plate (12), a movable plate (13), a connecting column (14) and a spring (15); an inner cavity is formed in two ends of the top of the fixed plate (12), a connecting column (14) is movably mounted in the inner cavity, an anti-falling block is fixedly connected to one end of the inner cavity of the connecting column (14), and the other end of the connecting column (14) is fixedly connected to one side of the movable plate (13); the connecting column (14) is sleeved with a spring (15) at one end of the inner cavity, one end of the spring (15) is abutted against the anti-falling block, and the other end of the spring (15) is abutted against the inner wall of the inner cavity.

6. An improved tamper-resistant filter as recited in claim 1, wherein: the wire clamping seat (16) used for fixing the connecting wire is arranged below the wire plugging hole (3), and the wire clamping seat (16) is fixedly arranged on two sides of the bottom box (1).

7. An improved tamper-resistant filter as recited in claim 1, wherein: the inside of top cap (7) is provided with second fixed cassette (17), second fixed cassette (17) fixed mounting is in the top both sides of top cap (7).