Multi-signal small-space protection filtering device

Abstract

The utility model relates to the technical field of filters, in particular to a multi-signal small-space protection filtering device which comprises a shell, a signal input assembly, a signal transmission assembly, a filtering assembly and a signal output assembly. The signal input assembly and the signal output assembly are both installed on the shell. The filtering assembly is installed in an inner cavity of the shell. The signal transmission assembly comprises an input circuit board, an output circuit board, a first signal adapter and a second signal adapter. The input circuit board, the output circuit board, the first signal adapter and the second signal adapter are all mounted in an inner cavity of the shell; one end of the input circuit board is communicated with the signal input assembly, and the other end is communicated with a group of first signal adapters; one end of the output circuit board is communicated with the second signal adapter, and the other end is communicated with the signal output assembly; according to the invention, through the input circuit board and the output circuit board, signal transmission is presented in a circuit board mode, disordered wiring is reduced, and the use safety of the product is improved.

Description

Technical Field

[0001] The present application relates to the technical field of filters, and in particular to a multi-signal small space protection filter device. Background Art

[0002] A filter device is an electronic component that can filter out signals of a specific frequency and is commonly used in signal processing and power management. A protective device is an electronic component used to protect circuits from external interference and damage. Filter devices and protective devices are usually improved and designed based on the premise that the structure of the main device is determined. Therefore, the design size of filter devices and protective devices will be limited by the main device.

[0003] The effective internal height of a product does not exceed 12 mm. The product needs to filter more than 200 signals and protect multiple power supplies. In the prior art, cable ties are used to fix multiple high-temperature wires inside the product, and the multiple high-temperature wires are overall put through an absorption ring to filter the signals. At the same time, an independent cabin is installed inside the product, and the filter is fixed in the cabin to filter the power supply to achieve the functions required by the product.

[0004] With regard to the above-mentioned related technologies, more than a hundred cables are bundled inside the shell in a disorderly manner, and friction and wear are easily caused between the cables, which poses certain safety hazards and affects the safety of product use. Utility Model Content

[0005] In order to improve the safety of product use, the present application provides a multi-signal small space protection filtering device.

[0006] The multi-signal small space protection filter design provided in this application adopts the following technical solution:

[0007] A multi-signal small space protection filter design includes a shell, a signal input component, a signal transmission component, a filter component and a signal output component; the signal input component and the signal output component are both installed on the shell, and the signal input component is used to receive external signals, and the signal output component is used to output filtered signals; the filter component is installed in the inner cavity of the shell, and is used to filter multiple signals; the signal transmission component includes an input circuit board, an output circuit board, a first signal adapter and a second signal adapter; the input circuit board, the output circuit board, the first signal adapter and the second signal adapter are all installed in the inner cavity of the shell; one end of the input circuit board is connected to the signal input component, and the other end is connected to the first signal adapter, and the first signal adapter is used to connect the input circuit board and the filter component; one end of the output circuit board is connected to the second signal adapter, and the other end is connected to the signal output component, and the second signal adapter is used to connect the output circuit board and the filter component.

[0008] By adopting the above technical scheme, the signal source is input from the signal input component to the input circuit board, and then the signal is transmitted to the filter component through the first signal adapter. After the filter component filters the signal, the signal is transmitted to the output circuit board through the second adapter, and then the signal is transmitted to the signal output component through the output circuit board, and finally the signal is output by the signal output component to complete the filtering process; the multi-signal small space protection filtering device is set up, which is convenient for realizing signal input and output through the signal input component and the signal output component, and is convenient for realizing filtering processing of multiple signals through the filter component, and is convenient for presenting signal transmission through the circuit board through the input circuit board and the output circuit board, thereby reducing messy wiring and improving the safety of product use.

[0009] In a specific possible implementation scheme, the first signal adapter includes multiple groups of first connectors, and the multiple groups of first connectors are distributed along the length direction of the input circuit board. The first connector includes a first plug part and a first socket part that are integrally connected; the first plug part is installed on a side of the input circuit board close to the filter component, and the first socket part is installed on a side of the filter component close to the input circuit board.

[0010] By adopting the above technical solution, the first signal adapter is set, which facilitates the transmission of the signal from the input circuit board to the filter component through the first connector. The first connector is set, which is plug-in connected through the first plug part and the first socket part, so as to facilitate the disassembly and assembly of the filter component and the input circuit board. At the same time, the filter component and the input circuit board are detachably connected, so that the multi-signal small space protection filter device has maintainability.

[0011] In a specific possible implementation scheme, the second signal adapter includes multiple groups of second connectors, and the multiple groups of second connectors are distributed along the length direction of the output circuit board. The second connector includes a second plug portion and a second socket portion that are integrally connected; the second plug portion is installed on a side of the filter assembly close to the output circuit board, and the second socket portion is installed on a side of the output circuit board close to the filter assembly.

[0012] By adopting the above technical solution, the second signal adapter is provided, which facilitates the transmission of the signal from the filter component to the output circuit board through the second connector. The second connector is provided, which is plug-connected through the second plug part and the second socket part, so as to facilitate the disassembly and assembly of the filter component and the output circuit board. At the same time, the filter component and the output circuit board are detachably connected, so that the multi-signal small space protection filter device has maintainability.

[0013] In a specific possible implementation manner, the filter assembly includes a filter circuit board; the filter circuit board is installed in the inner cavity of the shell, and the filter circuit board is arranged parallel to the input circuit board, one end of the filter circuit board is connected to the first signal adapter, and the other end is connected to the second signal adapter.

[0014] By adopting the above technical solution, the filter circuit board is set up to facilitate the filtering processing of multi-channel signals and improve the signal quality.

[0015] In a specific possible implementation manner, the filter assembly further includes a plurality of annular magnetic rings; the plurality of annular magnetic rings are symmetrically installed on the filter circuit board along the center line of the short side of the filter circuit board, and the annular magnetic rings are arranged parallel to the filter circuit board.

[0016] By adopting the above technical solution, the annular magnetic ring is set to further suppress electromagnetic interference and noise in the signal, improve the anti-interference ability and stability of the signal, and at the same time, the annular magnetic ring effectively utilizes the internal width space of the product to make up for the lack of internal height space of the product.

[0017] In a specific possible implementation scheme, the filter component also includes a power filter compartment; an installation groove is opened on the filter circuit board, and an installation cavity is formed between the installation groove and the input circuit board. The power filter compartment is installed in the installation cavity, and the filter is installed in the power filter compartment to filter the power supply.

[0018] By adopting the above technical solution, a filter circuit board is set up, and a mounting cavity for installing a power filter compartment is formed between the mounting groove and the output circuit board through the mounting groove, so that the input signal and the output signal are distributed on the periphery of the power filter compartment, and the filter is placed in the inner cavity of the power filter compartment, which is convenient for realizing independent signal filtering and power filtering without interfering with each other, thereby improving the stability and reliability of the power supply.

[0019] In a specific implementation scheme, the signal input assembly includes multiple groups of input connectors; the multiple groups of input connectors are distributed along the length direction of the input circuit board, and the input connectors are installed on a side of the input circuit board away from the output circuit board.

[0020] By adopting the above technical solution, the signal input component is set up, which facilitates the simultaneous access and transmission of multiple signal sources to the input circuit board through multiple sets of input connectors, thereby improving the product's signal processing efficiency.

[0021] In a specific possible implementation scheme, the signal output component includes multiple groups of output connectors; the multiple groups of output connectors are distributed along the width direction of the output circuit board, and the output connectors are installed on a side of the output circuit board away from the input circuit board.

[0022] By adopting the above technical solution, the signal output component is set up to provide multiple signal output paths through multiple groups of output connectors, which is convenient for expanding the application scope of the product.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The designed multi-signal small space protection filtering device facilitates the input and output of signals through signal input components and signal output components. It facilitates the filtering processing of multi-channel signals through filtering components. It facilitates the signal transmission through circuit boards through input circuit boards and output circuit boards, reduces cluttered wiring, and improves the safety of product use.

[0025] 2. The designed multi-signal small space protection filter device is connected by the first plug part and the first socket part, which is convenient for disassembly and assembly of the filter component and the input circuit board. At the same time, the filter component and the input circuit board are detachably connected, making the multi-signal small space protection filter design maintainable.

[0026] 3. The designed multi-signal small space protection filter device is connected by the second plug part and the second socket part, which is convenient for disassembly and assembly of the filter component and the output circuit board. At the same time, the filter component and the output circuit board are detachably connected, making the multi-signal small space protection filter design maintainable.

[0027] 4. The designed multi-signal small space protection filter device further suppresses electromagnetic interference and noise in the signal through the annular magnetic ring, improves the anti-interference ability and stability of the signal. At the same time, the annular magnetic ring effectively utilizes the internal width space of the product to make up for the lack of internal height space of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1It is a structural schematic diagram of a multi-signal small space protection filtering device according to an embodiment of the present application.

[0029] Figure 2 It is a cross-sectional view of a multi-signal small space protection filter device according to an embodiment of the present application, and is intended to illustrate a signal transmission component and a filter component.

[0030] Figure 3 yes Figure 2 Enlarged view of part A in the middle.

[0031] Figure 4 yes Figure 2 Enlarged view of part B in the middle.

[0032] Figure 5 It is a partial structural diagram of the multi-signal small space protection filter device of the embodiment of the present application, which is intended to illustrate the power supply filter compartment.

[0033] Explanation of the accompanying drawings: 1. Shell; 11. Cover; 2. Signal input component; 21. Input connector; 3. Signal transmission component; 31. Input circuit board; 32. Output circuit board; 33. First signal adapter; 331. First connector; 3311. First plug part; 3312. First socket part; 34. Second signal adapter; 341. Second connector; 3411. Second plug part; 3412. Second socket part; 4. Filter component; 41. Filter circuit board; 42. Annular magnetic ring; 43. Power filter compartment; 44. Mounting groove; 45. Mounting cavity; 5. Signal output component; 51. Output connector. DETAILED DESCRIPTION

[0034] The following is combined with Figure 1-5 This application is described in further detail.

[0035] The embodiment of the present application discloses a multi-signal small space protection filtering device.

[0036] Reference Figure 1 and Figure 2 A multi-signal small space protection filtering device includes a shell 1, a signal input component 2, a signal transmission component 3, a filtering component 4 and a signal output component 5; the signal input and output are realized through the signal input component 2 and the signal output component 5, the signal transmission inside the product is realized through the signal output component 5, and the signal filtering processing is realized through the filtering component 4.

[0037] Reference Figure 2 , Figure 3 and Figure 4The signal transmission component 3 includes an input circuit board 31, an output circuit board 32, a first signal adapter 33 and a second signal adapter 34. The input circuit board 31, the output circuit board 32 and the two sets of signal adapters are all installed in the inner cavity of the shell 1. One end of the input circuit board 31 is connected to the signal input component 2, and the other end is connected to the first signal adapter 33. One end of the output circuit board 32 is connected to the second signal adapter 34, and the other end is connected to the signal output component 5.

[0038] In order to facilitate the detachable connection between the filter circuit board 41 and the input circuit board 31, the first signal adapter 33 includes a plurality of first connectors 331. In this embodiment, the first connectors 331 are set to be rectangular. The rectangular connector is convenient for effectively utilizing space, so that the input circuit board 31 and the filter circuit board 41 are compactly arranged, and the overall size of the circuit board is reduced to adapt to the internal structure of the product; the plurality of first connectors 331 are distributed along the length direction of the input circuit board 31. In this application, the first connectors 331 can be set to two groups, three groups, or four groups, as long as the required number of signals can be transmitted from the input circuit board 31 to the filter circuit board 41 through the first connectors 331. In this embodiment, the first connectors 331 are set to four groups; the first connector 331 includes a first plug portion 3311 and a first socket portion 3312 that are integrally connected. The first plug portion 3311 is installed on the side of the input circuit board 31 close to the filter component 4, and the first socket portion 3312 is installed on the side of the filter component 4 close to the input circuit board 31.

[0039] In order to facilitate the detachable connection between the filter circuit board 41 and the output circuit board 32, the second signal adapter 34 includes a plurality of groups of second connectors 341. In this embodiment, the second connectors 341 are arranged in a rectangular shape. The rectangular connector is convenient for effectively utilizing space, so that the output circuit board 32 and the filter circuit board 41 are compactly arranged, and the overall size of the circuit board is reduced to adapt to the internal structure of the product; the plurality of groups of second connectors 341 are distributed along the length direction of the output circuit board 32. In this application, the second connectors 341 can be set as two groups, three groups, or four groups, as long as the required number of signals can be transmitted from the filter circuit board 41 to the output circuit board 32 through the second connectors 341. In this embodiment, the second connectors 341 are set as four groups; the second connector 341 includes a second plug portion 3411 and a second socket portion 3412 connected in an integral manner. The second plug portion 3411 is installed on the side of the filter component 4 close to the output circuit board 32, and the second socket portion 3412 is installed on the side of the output circuit board 32 close to the filter component 4.

[0040] Reference Figure 2In order to facilitate filtering of multi-channel signals, a filtering component 4 is provided, and the filtering component 4 includes a filtering circuit board 41 and a plurality of annular magnetic rings 42. The filtering circuit board 41 is installed in the inner cavity of the housing 1, and the filtering circuit board 41 is arranged in parallel with the input circuit board 31. One end of the filtering circuit board 41 is connected to the first socket portion 3312, and the other end is connected to the second plug portion 3411. The plurality of annular magnetic rings 42 are symmetrically installed on the filtering circuit board 41 along the center line of the short side of the filtering circuit board 41, and the annular magnetic rings 42 are arranged in parallel with the filtering circuit board 41. In this embodiment, the annular magnetic ring 42 is arranged in a snap-on type, which is convenient for installation and removal of the annular magnetic ring 42, so that the annular magnetic ring 42 is replaceable.

[0041] Reference Figure 2 and Figure 5 In order to facilitate the independent implementation of signal filtering and power filtering without interfering with each other, a power filter compartment 43 is provided, a mounting groove 44 is opened on the filter circuit board 41, and a mounting cavity 45 is formed between the mounting groove 44 and the input circuit board 31. The power filter compartment 43 is installed in the mounting cavity 45, and the filter is installed in the power filter compartment 43 to filter the power supply.

[0042] Reference Figure 2 The signal input component 2 includes multiple groups of input connectors 21. In the present application, the input connectors 21 can be set to two groups, three groups, or four groups, as long as the required number of signals for processing can be received through the input connectors 21. In the present embodiment, the input connectors 21 are set to three groups, and the three groups of input connectors 21 are distributed along the length direction of the input circuit board 31. The input connectors 21 are installed on the side of the input circuit board 31 away from the output circuit board 32.

[0043] Reference Figure 2 The signal output component 5 includes multiple groups of output connectors 51. In the present application, the output connectors 51 can be set to two groups, three groups, or four groups, as long as the required number of signal output paths can be provided through the output connectors 51. In the present embodiment, the output connectors 51 are set to two groups, and the two groups of output connectors 51 are distributed along the width direction of the output circuit board 32. The output connectors 51 are installed on the side of the output circuit board 32 away from the input circuit board 31.

[0044] Reference Figure 1 In this embodiment, the shell 1 is opened at one end close to the output connector 51, and a cover plate 11 is provided at the opening. The opening is convenient for connecting the output connector 51 with external equipment, and the cover plate 11 is convenient for protecting the interior of the product to prevent the external environment from affecting the internal structure.

[0045] The implementation principle of a multi-signal small space protection filtering device in an embodiment of the present application is as follows: the signal source is input from the input connector 21 to the input circuit board 31, and then the signal is transmitted to the filtering circuit board 41 via the first connector 331. After the filtering circuit board 41 and the annular magnetic ring 42 filter the signal, the signal is transmitted to the output circuit board 32 via the second connector 341, and then the signal is transmitted to the output connector 51 via the output circuit board 32, and finally the signal is output by the output connector 51 to complete the filtering process.

[0046] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-signal small space protection filter device, characterized in that: It comprises a housing (1), a signal input component (2), a signal transmission component (3), a filter component (4) and a signal output component (5); The signal input component (2) and the signal output component (5) are both mounted on the housing (1), and the signal input component (2) is used to receive external signals, and the signal output component (5) is used to output signals after filtering; The filter assembly (4) is installed in the inner cavity of the housing (1) and is used to filter multiple signals; The signal transmission component (3) comprises an input circuit board (31), an output circuit board (32), a first signal adapter (33) and a second signal adapter (34); The input circuit board (31), the output circuit board (32), the first signal adapter (33) and the second signal adapter (34) are all installed in the inner cavity of the housing (1); One end of the input circuit board (31) is in communication with the signal input component (2), and the other end is in communication with the first signal adapter (33), and the first signal adapter (33) is used to connect the input circuit board (31) and the filter component (4); One end of the output circuit board (32) is connected to the second signal adapter (34), and the other end is connected to the signal output component (5), and the second signal adapter (34) is used to connect the output circuit board (32) and the filter component (4).

2. The multi-signal small space protection filter device according to claim 1 is characterized in that: The first signal adapter (33) comprises a plurality of groups of first connectors (331), the plurality of groups of first connectors (331) are distributed along the length direction of the input circuit board (31), and the first connector (331) comprises a first plug portion (3311) and a first socket portion (3312) which are integrally connected; The first plug portion (3311) is installed on a side of the input circuit board (31) close to the filter assembly (4), and the first socket portion (3312) is installed on a side of the filter assembly (4) close to the input circuit board (31).

3. The multi-signal small space protection filter device according to claim 1 is characterized in that: The second signal adapter (34) comprises a plurality of sets of second connectors (341), the plurality of sets of second connectors (341) are distributed along the length direction of the output circuit board (32), and the second connector (341) comprises a second plug portion (3411) and a second socket portion (3412) which are integrally connected; The second plug portion (3411) is installed on a side of the filter assembly (4) close to the output circuit board (32), and the second socket portion (3412) is installed on a side of the output circuit board (32) close to the filter assembly (4).

4. The multi-signal small space protection filter device according to claim 1 is characterized in that: The filter assembly (4) comprises a filter circuit board (41); The filter circuit board (41) is installed in the inner cavity of the housing (1), and the filter circuit board (41) is arranged in parallel with the input circuit board (31); one end of the filter circuit board (41) is connected to the first signal adapter (33), and the other end is connected to the second signal adapter (34).

5. The multi-signal small space protection filter device according to claim 4 is characterized in that: The filter assembly (4) further comprises a plurality of annular magnetic rings (42); A plurality of the annular magnetic rings (42) are symmetrically mounted on the filter circuit board (41) along the center line of the short side of the filter circuit board (41), and the annular magnetic rings (42) are arranged in parallel with the filter circuit board (41).

6. The multi-signal small space protection filter device according to claim 4 is characterized in that: The filter assembly (4) further comprises a power filter compartment (43); The filter circuit board (41) is provided with a mounting groove (44), a mounting cavity (45) is formed between the mounting groove (44) and the input circuit board (31), the power filter compartment (43) is installed in the mounting cavity (45), and the filter is installed in the power filter compartment (43) to filter the power supply.

7. The multi-signal small space protection filter device according to claim 1, characterized in that: The signal input component (2) comprises a plurality of groups of input connectors (21); A plurality of groups of the input connectors (21) are distributed along the length direction of the input circuit board (31), and the input connectors (21) are installed on a side of the input circuit board (31) away from the output circuit board (32).

8. The multi-signal small space protection filter device according to claim 1, characterized in that: The signal output component (5) comprises a plurality of groups of output connectors (51); A plurality of groups of the output connectors (51) are distributed along the width direction of the output circuit board (32), and the output connectors (51) are installed on a side of the output circuit board (32) away from the input circuit board (31).

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