CN217741690U

CN217741690U - Filter

Info

Publication number: CN217741690U
Application number: CN202221786131.3U
Authority: CN
Inventors: 李劲松; 王婷
Original assignee: Schaffner Electromagnetic Compatibility Shanghai Co Ltd
Current assignee: Schaffner Electromagnetic Compatibility Shanghai Co Ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-11-04
Anticipated expiration: 2032-07-12

Abstract

A filter, comprising: a mounting frame including a middle portion, a first edge portion, and a second edge portion; a first terminal fixedly connected to the first edge portion; a second terminal fixedly connected with the second edge part; a plurality of electronic components fixedly connected to the middle portion; the electronic component mounting device comprises a main shell with a containing cavity, wherein the carrying frame is clamped on the main shell, and a plurality of electronic components are arranged in the containing cavity; and the first terminal and the second terminal respectively penetrate through the interfaces corresponding to the sealing cover body and the main shell body. The first terminal, the second terminal and the electronic components are assembled and fixed on the carrying frame in advance, then the carrying frame is clamped on the main shell, the semi-closed assembling process is avoided, the assembling process difficulty can be effectively reduced, and the assembling efficiency is improved. Bear first terminal, second terminal and a plurality of electronic components through addding the carrier, can also effectively increase the bulk strength of product.

Description

Filter

Technical Field

The utility model relates to an electronic equipment field especially relates to a wave filter.

Background

The filter is an important electronic component, transmits power of a power supply to the equipment without attenuation, greatly attenuates EMI (Electromagnetic Interference) signals transmitted by the power supply, and protects the equipment from being damaged; meanwhile, the EMI signal generated by the equipment can be effectively controlled, and the EMI signal is prevented from entering a power grid, polluting the electromagnetic environment and damaging other equipment.

When testing an electrical system in the field, the filter is an indispensable electronic component, and the filter needs to be connected into the electrical system. However, the prior art filters still have a number of problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem provide a wave filter, can effectively reduce the equipment technology degree of difficulty, improve the packaging efficiency, and can increase product bulk strength.

In order to solve the above problem, the utility model provides a filter, include: a carrier including an intermediate portion, a first edge portion, and a second edge portion, the intermediate portion being connected to the first edge portion and the second edge portion, respectively; a first terminal fixedly connected to the first edge; a second terminal fixedly connected with the second edge portion; a plurality of electronic components fixedly connected with the middle part; the carrying frame is clamped on the main shell, and the electronic components are arranged in the accommodating cavity; and the first terminal and the second terminal respectively penetrate through interfaces corresponding to the sealing cover body and the main shell body.

Optionally, a first gap is provided between the first edge portion and the middle portion; a second gap is provided between the second edge portion and the middle portion.

Optionally, the main housing includes: first and second opposing major end faces; the first main end face is clamped in the first gap, and the second main end face is clamped in the second gap.

Optionally, the first terminal includes: a first external terminal portion and a first internal terminal portion connected to each other, the first external terminal portion being fixed to the first edge portion, the first internal terminal portion being fixed to the intermediate portion; the second terminal includes: and a second external terminal portion and a second internal terminal portion connected to each other, the second external terminal portion being fixed to the second edge portion, and the second internal terminal portion being fixed to the intermediate portion.

Optionally, the first internal terminal portion is located in the cavity, and the first external terminal portion is located outside the main housing; the second internal connection terminal part is positioned in the accommodating cavity, and the second external connection terminal part is positioned outside the main shell.

Optionally, the main housing further comprises: the first main end face and the second main end face are lower than the third main end face and the fourth main end face in height.

Optionally, the sealing cover body includes: the sealing structure comprises a first sealing end face and a second sealing end face which are opposite, and a third sealing end face and a fourth sealing end face which are opposite, wherein the heights of the first sealing end face and the second sealing end face are smaller than the heights of the third sealing end face and the fourth sealing end face.

Optionally, the first terminal penetrates through an interface corresponding to the first sealing end face and the first main end face, the second terminal penetrates through an interface corresponding to the second sealing end face and the second main end face, the third sealing end face is fixedly connected to the third main end face, and the fourth sealing end face is fixedly connected to the fourth main end face.

Optionally, the fixedly connecting the third sealing end face and the third main end face includes: fixedly connecting the expansion nails; the fourth sealing end face and the fourth main end face are fixedly connected and comprise: the expansion nail is fixedly connected.

Optionally, the electrical transport functions of the first terminal and the second terminal are opposite; the first terminal includes: an input terminal or an output terminal; the second terminal includes: an output terminal or an input terminal.

Compared with the prior art, the technical scheme of the utility model have following advantage:

in the filter scheme of the technology of the utility model, the carrying frame is clamped on the main shell, and a plurality of electronic components are arranged in the containing cavity; the first terminal and the second terminal penetrate through interfaces corresponding to the sealing cover body and the main shell respectively. Through in advance with first terminal, second terminal and a plurality of electronic components equipment are fixed in on the carrying frame, then will the carrying frame clamps extremely on the main casing body, avoided adopting semi-enclosed assembly process, can effectively reduce the assembly process degree of difficulty, improve the packaging efficiency. Moreover, the carrying frame is additionally arranged to bear the first terminal, the second terminal and the electronic components, so that the overall strength of the product can be effectively improved.

Drawings

FIG. 1 is a perspective view of a filter;

fig. 2 is a schematic perspective view of a filter according to an embodiment of the present invention.

Detailed Description

As mentioned in the background, the prior art filters still have problems. The following detailed description will be made in conjunction with the accompanying drawings.

Fig. 1 is a perspective view of a filter.

Referring to fig. 1, a filter 1 includes: a main housing 10, wherein the main housing 10 includes a cavity 103, and a first end surface 101 and a second end surface 102 opposite to each other, and the cavity 103 is located between the first end surface 101 and the second end surface 102; the first terminal 11 is fixedly connected with the first end surface 101, and extends into the cavity 103 through the first end surface 101; the second terminal 12 is fixedly connected with the second end face 102, and extends into the cavity 103 through the second end face 102; the electronic components 13 are fixed in the accommodating cavity 103; and a sealing plate (not shown) fixedly connected to the first end surface 101 and the second end surface 102, respectively, for sealing the cavity 103.

In this embodiment, the first terminal 11 and the second terminal 12 are respectively and fixedly connected to the first end surface 101 and the second end surface 102 of the main housing 10, and the first terminal 11 and the second terminal 12 further extend into the cavity 103, which results in that a large space needs to be reserved in the cavity 103 of the main housing 10 in advance, and thus the space reserved for the plurality of electronic components 13 placed inside the filter is limited, and the plurality of electronic components 13 are assembled and fixed in the cavity 103 after the cavity 103 is formed, so that the semi-enclosed assembly process is difficult and has low efficiency.

In order to solve the problem, the utility model provides a filter, through in advance will first terminal, second terminal and a plurality of electronic components equipment are fixed in on the carrying frame, then will the carrying frame clamps extremely on the main casing body, avoided adopting semi-enclosed assembly process, can effectively reduce the assembly process degree of difficulty, improve the packaging efficiency. Moreover, the carrying frame is additionally arranged to bear the first terminal, the second terminal and the electronic components, so that the overall strength of the product can be effectively improved.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Fig. 2 is a schematic diagram of the filter structure of the present invention.

Referring to fig. 2, a filter includes: a carrier 20, the carrier 20 including an intermediate portion 203, a first edge portion 201, and a second edge portion 202, the intermediate portion 203 being connected to the first edge portion 201 and the second edge portion 202, respectively; a first terminal 21 fixedly connected to the first edge 201; a second terminal 22 fixedly connected to the second edge portion 202; a plurality of electronic components 23 fixedly connected to the intermediate portion 203; a main housing 24 having a cavity 242, said carrier 20 being snap-fitted to said main housing 24, and a plurality of said electronic components 23 being disposed in said cavity 242; and a sealing cover 25 fixedly connected to the main housing 24, wherein the first terminal 21 and the second terminal 22 penetrate through interfaces corresponding to the sealing cover 25 and the main housing 24, respectively.

In this embodiment, the intermediate portion 203, the first edge portion 201, and the second edge portion 202 are formed integrally, and the carrier 20 is formed by bending a sheet metal by blanking, so that the flatness control accuracy of the first edge portion 201 and the second edge portion 202 can be ensured to be high, and the integrity is good.

In this embodiment, the first edge 201 and the first terminal 21 are fixedly connected by screws.

In this embodiment, the second edge portion 202 and the second terminal 22 are fixedly connected by screws.

In the present embodiment, the electronic component 23 includes a capacitor and a resistor.

In the present embodiment, the main housing 24 is made of sheet metal.

In this embodiment, the main housing 24 and the sealing cover 25 are fixedly connected by rivets.

In this embodiment, the first terminal 21, the second terminal 22 and the plurality of electronic components 23 are assembled and fixed on the carrier 20 in advance, and then the carrier 20 is clamped on the main housing 24, so that a semi-closed assembly process is avoided, the difficulty of the assembly process can be effectively reduced, and the assembly efficiency can be improved. In addition, the carrying frame 20 is additionally provided for carrying the first terminal 21, the second terminal 22 and the electronic components 23, so that the overall strength of the product can be effectively improved.

With reference to fig. 2, in the present embodiment, a first gap 204 is formed between the first edge portion 201 and the middle portion 203, and a second gap 205 is formed between the second edge portion 202 and the middle portion 203.

In this embodiment, the main housing 24 further includes a plurality of main end surfaces 241, and the plurality of main end surfaces 241 include: first and second opposing major end faces 241a, 241b; the first main end face 241a is snap-fitted into the first gap 204, and the second main end face 241b is snap-fitted into the second gap 205.

In the present embodiment, the first terminal 21 includes: and a first external terminal portion 211 and a first internal terminal portion 212 connected to each other. Specifically, the first external terminal portion 211 is fixed to the first edge portion 201, and the first internal terminal portion 212 is fixed to the intermediate portion 203.

In the present embodiment, the second terminal 22 includes: and a second external terminal part 221 and a second internal terminal part 222 connected to each other. Specifically, the second external terminal portion 221 is fixed to the second edge portion 202, and the second internal terminal portion 222 is fixed to the intermediate portion 203.

In this embodiment, the first internal terminal portion 212 is located in the accommodating cavity 242, and the first external terminal portion 211 is located outside the main housing 24; the second internal terminal portion 222 is located in the accommodating cavity 242, and the second external terminal portion 221 is located outside the main housing 24.

In this embodiment, the plurality of main end surfaces 241 further include: a third main end surface 241c and a fourth main end surface 241d which are opposite to each other, and the height of the first main end surface 241a and the height of the second main end surface 241b are lower than the height of the third main end surface 241c and the height of the fourth main end surface 241 d.

In this embodiment, the heights of the first main end surface 241a and the second main end surface 241b are lower than the heights of the third main end surface 241c and the fourth main end surface 241d, so that the mounting bracket 20 is used for mounting on the first main end surface 241a and the second main end surface 241b to place the electronic components 23 into the accommodating cavity 242.

In this embodiment, the sealing cover 25 includes: first and second opposing

seal end faces

251, 252, and third and fourth opposing seal end faces 253, 254, the first and second

seal end faces

251, 252 having a height less than the third and fourth

seal end faces

253, 254.

In this embodiment, the heights of the first sealing end surface 251 and the second sealing end surface 252 are smaller than the heights of the third sealing end surface 253 and the fourth sealing end surface 254, so that the sealing cover 25 is fixedly connected with the main housing 24.

In this embodiment, the first terminal 21 is located between the first sealing end surface 251 and the first main end surface 241a, the second terminal 22 is located between the second sealing end surface 252 and the second main end surface 241b, the third sealing end surface 253 is fixedly connected to the third main end surface 241c, and the fourth sealing end surface 254 is fixedly connected to the fourth main end surface 241 d.

In this embodiment, the fixedly connecting the third sealing end surface 253 and the third main end surface 241c includes: fixedly connecting the expansion nails; the fixed connection of the fourth sealing end surface 254 and the fourth main end surface 241d comprises: the expansion nail is fixedly connected.

In this embodiment, the expansion nail is fixedly connected to enable the exposed surface to be flat after installation, so that the appearance of the filter is improved; when the expansion nail is not used, the expansion nail can be freely removed, and the expansion nail has wide application range.

The electrical transfer function of the first terminal 21 and the second terminal 22 is reversed.

In this embodiment, the first terminal 21 is an input terminal, and the second terminal 22 is an output terminal.

In other embodiments, the first terminal 21 may also be an output terminal, and the second terminal 22 is an input terminal.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. A filter, comprising:

a carrier including a middle portion, a first edge portion, and a second edge portion, the middle portion being fixedly connected to the first edge portion and the second edge portion, respectively;

a first terminal fixedly connected to the first edge;

a second terminal fixedly connected with the second edge portion;

a plurality of electronic components fixedly connected to the middle portion;

the carrying frame is clamped on the main shell, and the electronic components are arranged in the accommodating cavity;

and the first terminal and the second terminal respectively penetrate through interfaces corresponding to the sealing cover body and the main shell body.

2. The filter of claim 1, wherein the first edge portion and the middle portion have a first gap therebetween; a second gap is provided between the second edge portion and the middle portion.

3. The filter of claim 2, wherein the main housing comprises: first and second opposing major end faces; the first main end face is clamped in the first gap, and the second main end face is clamped in the second gap.

4. The filter of claim 1, wherein the first terminal comprises: a first external terminal portion and a first internal terminal portion connected to each other, the first external terminal portion being fixed to the first edge portion, the first internal terminal portion being fixed to the intermediate portion; the second terminal includes: and a second external terminal portion and a second internal terminal portion connected to each other, the second external terminal portion being fixed to the second edge portion, and the second internal terminal portion being fixed to the intermediate portion.

5. The filter according to claim 4, wherein the first internal terminal part is located in the cavity, and the first external terminal part is located outside the main housing; the second internal terminal part is positioned in the cavity, and the second external terminal part is positioned outside the main shell.

6. The filter of claim 3, wherein the main housing further comprises: the height of the first main end face and the height of the second main end face are lower than the height of the third main end face and the height of the fourth main end face.

7. The filter of claim 6, wherein the sealed cover comprises: the sealing structure comprises a first sealing end face and a second sealing end face which are opposite, and a third sealing end face and a fourth sealing end face which are opposite, wherein the heights of the first sealing end face and the second sealing end face are smaller than the heights of the third sealing end face and the fourth sealing end face.

8. The filter according to claim 7, wherein the first terminal extends through an interface defined by the first sealing end and the first major end, the second terminal extends through an interface defined by the second sealing end and the second major end, the third sealing end is fixedly coupled to the third major end, and the fourth sealing end is fixedly coupled to the fourth major end.

9. The filter of claim 8, wherein the fixed connection of the third sealing end face and the third main end face comprises: fixedly connecting the expansion nails; the fourth sealing end face and the fourth main end face are fixedly connected and comprise: the expansion nail is fixedly connected.

10. The filter of claim 1, wherein the electrical delivery functions of the first terminal and the second terminal are reversed; the first terminal includes: an input terminal or an output terminal; the second terminal includes: an output terminal or an input terminal.