Anti-interference multilayer circuit board

Abstract

The utility model relates to the field of circuit boards, and discloses an anti-interference multilayer circuit board. The device comprises a protection box, a circuit board interlayer device is arranged on the right side of the protection box, and a dustproof ventilation device is arranged at the upper end of the protection box; the circuit board interlayer device comprises a fixed cover plate, an installation buckle, a first U-shaped clamping groove strip, a second U-shaped clamping groove strip, a circuit board and an anti-interference frame. The dustproof ventilation device comprises a heat dissipation opening, a fixing strip, a frame, a dustproof ventilation net, a threaded hole, a second fixing strip and a threaded nail, an anti-interference net can be placed in a gap of a second U-shaped clamping groove strip, the second U-shaped clamping groove strip can be conveniently isolated, meanwhile, a circuit board is located in the anti-interference frame and can be isolated, meanwhile, a mounting buckle is detached, and the anti-interference net can be conveniently replaced. The fixed cover plate can be conveniently detached, and meanwhile, the single circuit board can be conveniently replaced by pulling the circuit board; through the cooperation of the above structure, the convenience of replacing a single circuit board is improved, and the circuit board is resistant to interference.

Description

Technical Field

[0001] The present application belongs to the technical field of circuit boards, and specifically relates to an interference-resistant multi-layer circuit board. Background Art

[0002] Circuit board is also called circuit board, ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, ultra-thin circuit board, ultra-thin circuit board, etc.

[0003] The patent document with publication number CN 216414658 U discloses a multi-layer circuit board with strong anti-interference performance. The bracket can protect both ends of the circuit board to reduce the collision phenomenon during normal installation. During use, because the copper foil layer is a metal foil conductive material with electromagnetic shielding effect, it can shield electromagnetic signals, thereby increasing the anti-interference effect of the inner circuit board and the bottom circuit board.

[0004] The present application provides another multi-layer circuit board solution for improving the convenience of replacing a single circuit board and performing anti-interference on the circuit board, aiming to provide technicians in this field with a variety of ideas and options for solving problems. Utility Model Content

[0005] The purpose of this application is to provide an interference-resistant multi-layer circuit board in order to solve the above-mentioned problems.

[0006] The technical solution adopted in the present application is as follows: an anti-interference multi-layer circuit board, including a protective box, a circuit board partition device is arranged on the right side of the protective box, and a dust-proof and breathable device is arranged on the upper end of the protective box; the circuit board partition device includes a fixed cover plate, a mounting buckle, a U-shaped card slot bar one, a U-shaped card slot bar two, a circuit board and an anti-interference frame; the dust-proof and breathable device includes a heat dissipation port, a fixing bar, a frame, a dust-proof and breathable net, a threaded hole, a second fixing bar and a threaded nail.

[0007] In a preferred embodiment, the mounting buckle is located on the inner side of the fixed cover plate, and a card interface for the mounting buckle to be engaged is provided on the right side of the protective box.

[0008] In a preferred embodiment, the left side of the anti-interference frame is fixedly connected to the left side of the inner wall of the protective box, and the U-shaped card slot strips are divided into four groups, which are respectively fixedly connected to the left side of the fixed cover plate and the inner left side of the anti-interference frame.

[0009] In a preferred embodiment, the circuit board is clamped with the interior of the U-shaped card slot bar 2, the U-shaped card slot bar 1 is fixedly connected to the left side of the fixed cover plate, and the interior of the U-shaped card slot bar 1 is clamped with the right side of the anti-interference frame.

[0010] In a preferred embodiment, the heat dissipation port is opened at the upper end of the protective box, the fixing strip is fixedly connected to the inner bottom end of the heat dissipation port, the frame is placed on the upper end of the fixing strip, and the dustproof and breathable net is fixedly connected to the inner wall of the frame.

[0011] In a preferred embodiment, the threaded holes are formed in four groups and are opened on both sides of the upper end of the frame. The second fixing strip is placed on the relatively inner side of the heat dissipation port. The second fixing strip is provided with threaded holes two which are matched with the threaded holes on both sides of the upper end. The threaded nails are threadedly connected with the threaded holes and the inner walls of the threaded holes two.

[0012] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0013] In the present application, the circuit board is driven to be placed on the inner wall of the U-shaped card slot strip 2 inside the anti-interference frame by a fixed cover plate, and multiple groups of circuit boards are separated by the gaps between the U-shaped card slot strips 2. At the same time, an anti-interference net can be placed in the gap of the U-shaped card slot strip 2 to facilitate the isolation of the U-shaped card slot strip 2. At the same time, the circuit board is located inside the anti-interference frame, the circuit board can be isolated, and the mounting buckle can be removed to facilitate the removal of the fixed cover plate, and the circuit board can be pulled out to facilitate the replacement of a single circuit board. Through the cooperation of the above structure, it is convenient to improve the convenience of replacing a single circuit board and to carry out anti-interference to the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of this application;

[0015] Figure 2 It is a schematic diagram of the internal structure in this application;

[0016] Figure 3 This is a schematic diagram of the structure of the frame, fixing bar and threaded hole in this application.

[0017] Markings in the figure: 1. Protective box; 2. Circuit board partition device; 201. Fixed cover; 202. Mounting buckle; 203. U-shaped card slot strip one; 204. U-shaped card slot strip two; 205. Circuit board; 206. Anti-interference frame; 3. Dust-proof and breathable device; 301. Heat dissipation port; 302. Fixed strip; 303. Frame; 304. Dust-proof and breathable net; 305. Threaded hole; 306. Second fixed strip; 307. Threaded nail. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0019] Example:

[0020] Reference Figure 1-3 , an anti-interference multilayer circuit board, comprising a protective box 1, a circuit board interlayer device 2 is arranged on the right side of the protective box 1, and a dustproof and breathable device 3 is arranged on the upper end of the protective box 1; the circuit board interlayer device 2 includes a fixed cover plate 201, a mounting buckle 202, a U-shaped card slot bar 1 203, a U-shaped card slot bar 204, a circuit board 205 and an anti-interference frame 206; the dustproof and breathable device 3 includes a heat dissipation port 301, a fixing bar 302, a frame 303, a dustproof and breathable net 304, a threaded hole 305, a second fixing bar 306 and An anti-interference net can be placed in the gap of the threaded nail 307 and the U-shaped slot strip 204 to isolate the U-shaped slot strip 204. At the same time, the circuit board 205 is located inside the anti-interference frame 206, and the circuit board 205 can be isolated. At the same time, the mounting buckle 202 is removed to facilitate the removal of the fixed cover plate 201, and the circuit board 205 is pulled out to facilitate the replacement of a single circuit board 205. Through the cooperation of the above structures, it is convenient to improve the convenience of replacing a single circuit board and to prevent interference to the circuit board.

[0021] Reference Figure 1-3 The mounting buckle 202 is located on the inner side of the fixed cover plate 201 . The right side of the protective box 1 is provided with a card interface for the mounting buckle 202 to be engaged. The mounting buckle 202 and the card interface are engaged with each other, which facilitates the fixing and removal of the fixed cover plate 201 .

[0022] Reference Figure 1-3 The left side of the anti-interference frame 206 is fixedly connected to the left side of the inner wall of the protective box 1. The U-shaped card slot strip 204 is divided into four groups, which are respectively fixedly connected to the left side of the fixed cover plate 201 and the inner left side of the anti-interference frame 206. The anti-interference frame 206 can prevent the circuit board 205 from interfering outward.

[0023] Reference Figure 1-3 The circuit board 205 is connected to the inside of the U-shaped card slot bar 204, the U-shaped card slot bar 1 203 is fixedly connected to the left side of the fixed cover plate 201, and the inside of the U-shaped card slot bar 1 203 is connected to the right side of the anti-interference frame 206. The circuit boards 205 are divided into multiple groups, and gaps are left between the circuit boards 205. At the same time, anti-interference nets can be placed in the gaps between the circuit boards 205 to reduce the dry meat between the independent circuit boards 205.

[0024] Reference Figure 1-3 The heat dissipation port 301 is opened at the upper end of the protective box 1, the fixing strip 302 is fixedly connected to the bottom end of the inner side of the heat dissipation port 301, the frame 303 is placed on the upper end of the fixing strip 302, the dustproof and breathable net 304 is fixedly connected to the inner wall of the frame 303, and the fixing strip 302 is convenient for supporting the frame 303.

[0025] Reference Figure 1-3 Four groups of threaded holes 305 are opened on both sides of the upper end of the frame 303, and the second fixing bar 306 is placed on the inner side opposite to the heat dissipation port 301. Threaded holes 305 are opened on both sides of the upper end of the second fixing bar 306 to match the threaded holes 305. The threaded nails 307 are threadedly connected with the threaded holes 305 and the inner walls of the threaded holes 305 and the threaded holes 307. The threaded holes 305, the threaded holes 302 and the threaded nails 307 are convenient for fixing the frame 303.

[0026] The implementation principle of an anti-interference multi-layer circuit board embodiment of the present application is:

[0027] The circuit board 205 is driven by the fixed cover plate 201 to be placed on the inner wall of the U-shaped card slot strip 204 inside the anti-interference frame 206, and multiple groups of circuit boards 205 are separated by the gaps between the U-shaped card slot strips 204. At the same time, an anti-interference net can be placed in the gap of the U-shaped card slot strip 204 to isolate the U-shaped card slot strip 204. At the same time, the circuit board 205 is located inside the anti-interference frame 206, and the circuit board 205 can be isolated. At the same time, the mounting buckle 202 is removed to facilitate the removal of the fixed cover plate 201, and the circuit board 205 is pulled out to facilitate the replacement of a single circuit board 205. Through the cooperation of the above structure, it is convenient to improve the convenience of replacing a single circuit board and to carry out anti-interference on the circuit board.

[0028] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An anti-interference multilayer circuit board, characterized in that: include: A protective box (1) is provided with a circuit board interlayer device (2) on the right side thereof, and a dustproof and breathable device (3) is provided at the upper end of the protective box (1); A circuit board interlayer device (2) comprises a fixed cover plate (201), a mounting buckle (202), a first U-shaped card slot strip (203), a second U-shaped card slot strip (204), a circuit board (205) and an anti-interference frame (206); The dustproof and breathable device (3) comprises a heat dissipation port (301), a fixing bar (302), a frame (303), a dustproof and breathable net (304), a threaded hole (305), a second fixing bar (306) and a threaded nail (307).

2. The anti-interference multilayer circuit board according to claim 1, characterized in that: The mounting buckle (202) is located on the inner side of the fixed cover plate (201), and a card interface for the mounting buckle (202) to be carded is provided on the right side of the protection box (1).

3. The anti-interference multilayer circuit board according to claim 1, characterized in that: The left side of the anti-interference frame (206) is fixedly connected to the left side of the inner wall of the protection box (1), and the U-shaped slot strips (204) are four groups, which are respectively fixedly connected to the left side of the fixed cover plate (201) and the inner left side of the anti-interference frame (206).

4. The anti-interference multilayer circuit board according to claim 1, characterized in that: The circuit board (205) is clamped with the inside of the second U-shaped card slot strip (204), the first U-shaped card slot strip (203) is fixedly connected to the left side of the fixed cover plate (201), and the inside of the first U-shaped card slot strip (203) is clamped with the right side of the anti-interference frame (206).

5. The anti-interference multilayer circuit board according to claim 1, characterized in that: The heat dissipation port (301) is opened at the upper end of the protective box (1), the fixing strip (302) is fixedly connected to the bottom end of the inner side of the heat dissipation port (301), the frame (303) is placed on the upper end of the fixing strip (302), and the dustproof and breathable net (304) is fixedly connected to the inner wall of the frame (303).

6. The anti-interference multilayer circuit board according to claim 1, characterized in that: The threaded holes (305) are four groups opened on both sides of the upper end of the frame (303); the second fixing strip (306) is placed on the inner side of the heat dissipation port (301); threaded holes (305) matching the threaded holes (305) are opened on both sides of the upper end of the second fixing strip (306); the threaded nails (307) are threadedly connected to the threaded holes (305) and the inner walls of the threaded holes (305) and the threaded holes (307).

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