Anti-interference circuit board with shielding structure

Abstract

The utility model relates to the technical field of circuit boards, and provides an anti-interference circuit board with a shielding structure, which comprises a circuit board main body and circuit elements, a circuit element is arranged at the top end of the circuit board main body, and a heat dissipation structure is arranged in the middle of the top end of the circuit board main body; connecting columns are arranged at the corners of the top end of the circuit board body, and shielding structures are arranged at the top ends of the connecting columns. According to the utility model, through the arrangement of the shielding structure, the connecting column is arranged in the sliding groove in the installation process for guiding and positioning, and when the clamping plate slides in the clamping chute, the clamping plate moves towards one side of the isolation plate due to the extrusion of the inclined surface of the clamping chute; and when the clamping plate moves to a designated position, the top of the clamping plate is suspended and then moves towards the two sides through the elastic force of the spring to achieve positioning, and the shielding layer can achieve the shielding protection effect on the circuit board, so that the purposes of facilitating installation and effectively protecting the circuit board are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit boards, in particular to an anti-interference circuit board with a shielding structure. Background Art

[0002] With the development of the times, the use of electronic devices is becoming more and more widespread. In order to achieve signal control and transmission in electronic devices, circuit boards are needed.

[0003] To this end, the patent with announcement number CN204721704U discloses a circuit board, including: a circuit board body, a waterproof board bonded to the circuit board body, a water receiving tank inside the waterproof board and used to collect water for centralized treatment, and a desiccant sheet bonded to the water receiving tank. The utility model provides a waterproof circuit board, which shields spilled water, protects the circuit board, collects water, and absorbs it in a timely and centralized manner, which not only avoids circuit board failures, but also avoids affecting the use of products using the circuit board, thereby preventing accidents and extending the service life;

[0004] The circuit board mentioned above is protected by a waterproof board to prevent accidents during use, but it is difficult to prevent it from being affected by electromagnetic interference and other interferences during use, which may affect its normal use. Heat will be generated during use, and the accumulated heat will cause damage to the circuit board, which is not conducive to long-term use. Utility Model Content

[0005] The utility model aims to provide an anti-interference circuit board with a shielding structure, so as to solve the defects of the existing circuit board that it is not convenient for heat dissipation and anti-interference.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an anti-interference circuit board with a shielding structure, comprising a circuit board body and a circuit element;

[0007] A circuit element is arranged at the top of the circuit board body, and a heat dissipation structure is arranged at the middle position of the top of the circuit board body;

[0008] Connecting posts are provided at the corner positions of the top of the circuit board body, and shielding structures are provided at the tops of the connecting posts;

[0009] The shielding structure includes a built-in groove, an isolation plate, a spring, a snap-on plate, a protective cover, a sliding groove, a snap-on bevel groove and a shielding layer. The built-in grooves are all opened at the top of the connecting column, an isolation plate is arranged at the middle position of the built-in groove, springs are arranged on both sides of the isolation plate, a snap-on plate is arranged on one side of the spring, the protective cover is arranged above the circuit board body, sliding grooves are arranged at the corner positions of the bottom end of the protective cover, snap-on bevel grooves are arranged at the top of the internal sliding grooves of the protective cover, and a shielding layer is arranged inside the protective cover.

[0010] Preferably, the heat dissipation structure includes a heat dissipation fan, a heat sink and a limit cover, the heat dissipation fan is arranged at the middle position of the top of the circuit board body, the heat sink is arranged at the top of the heat dissipation fan, and the limit cover is evenly arranged at the top of the circuit board body.

[0011] Preferably, the bottom ends of the heat sinks are fixedly connected to the outer sides of the heat sink fans at the top ends of the circuit board body, and the limiting covers are arranged inside the heat sinks.

[0012] Preferably, the limiting covers are evenly arranged on the outside of the heat dissipation fan, and the limiting covers are distributed at equal intervals on the outside of the heat dissipation fan at the top end of the circuit board body.

[0013] Preferably, the springs are symmetrically distributed on both sides of the isolation plate, and the clamping plates are symmetrically distributed inside the built-in groove.

[0014] Preferably, the top of the connecting column is arranged inside the sliding groove, and the connecting column and the sliding groove form a sliding connection.

[0015] Preferably, the top of the clamping plate is arranged inside the clamping bevel groove, and the clamping plate and the protective cover form a clamping structure through the clamping bevel groove.

[0016] The utility model provides an anti-interference circuit board with a shielding structure, which has the advantages of:

[0017] By providing a shielding structure, during the installation process, the connecting column is placed inside the sliding groove for guiding and positioning, and when the clamping plate slides inside the clamping inclined groove, the clamping plate is squeezed by the inclined surface of the clamping inclined groove so that the clamping plate moves toward one side of the isolation plate, and when it moves to the specified position, the top of the clamping plate is suspended in the air and then moves to both sides to achieve positioning through the elastic force of the spring, and the shielding layer can achieve the function of shielding and protecting the circuit board, thereby achieving the purpose of facilitating installation and effectively protecting the circuit board;

[0018] By providing a heat dissipation structure, the heat sink can effectively dissipate heat for the circuit board and at the same time, by starting the heat dissipation fan, the air circulation speed is increased, thereby improving the heat dissipation effect of the heat sink, so that the circuit board is not prone to heat accumulation during use, thereby protecting the circuit board, thereby achieving the purpose of facilitating the heat dissipation of the circuit board and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3 It is a partial cross-sectional structural schematic diagram of the utility model;

[0022] Figure 4 It is a front view cross-sectional structural schematic diagram of the utility model;

[0023] Figure 5 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0024] Explanation of the reference numerals in the figure: 1. Circuit board body; 2. Circuit element; 3. Heat dissipation structure; 301. Heat dissipation fan; 302. Heat sink; 303. Limiting cover; 4. Connecting column; 5. Shielding structure; 501. Built-in groove; 502. Isolation plate; 503. Spring; 504. Snap-in plate; 505. Protective cover; 506. Sliding groove; 507. Snap-in inclined groove; 508. Shielding layer. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-Figure 5 The utility model provides an anti-interference circuit board with a shielding structure, which includes a circuit board body 1 and a circuit element 2.

[0027] Reference Figure 2 and Figure 4As shown, a circuit element 2 is arranged at the top of the circuit board main body 1, and a heat dissipation structure 3 is arranged at the middle position of the top of the circuit board main body 1. The heat dissipation structure 3 includes a heat dissipation fan 301, a heat sink 302 and a limit cover 303. The heat dissipation fan 301 is arranged at the middle position of the top of the circuit board main body 1, and a heat sink 302 is arranged at the top of the heat dissipation fan 301. The limit covers 303 are evenly arranged at the top of the circuit board main body 1. The bottom ends of the heat sinks 302 are fixedly connected to the outer side of the heat dissipation fan 301 at the top of the circuit board main body 1. The limit covers 303 are all arranged inside the heat sink 302. The limit covers 303 are evenly arranged on the outer side of the heat dissipation fan 301, and the limit covers 303 are evenly distributed on the outer side of the heat dissipation fan 301 at the top of the circuit board main body 1.

[0028] In order to connect electronic components such as resistors, capacitors, transistors, etc. through wires and conductive patterns to form a complete circuit and realize the transmission of current and signals, a circuit board is usually used for connection. However, the circuit board will generate heat during operation. The heat accumulation caused by long-term use may damage the circuit board and thus affect the service life of the circuit board. Therefore, by providing a heat dissipation structure 3, it is convenient to dissipate heat for the circuit board, thereby protecting the circuit board and increasing its service life.

[0029] Reference Figure 1-Figure 5 As shown, a connecting column 4 is provided at the corner position of the top of the circuit board body 1, and a shielding structure 5 is provided at the top of the connecting column 4. The shielding structure 5 includes a built-in groove 501, an isolation plate 502, a spring 503, a clamping plate 504, a protective cover 505, a sliding groove 506, a clamping inclined groove 507 and a shielding layer 508. The built-in grooves 501 are all opened at the top of the connecting column 4, and an isolation plate 502 is provided at the middle position of the built-in groove 501. Springs 503 are provided on both sides of the isolation plate 502, and a clamping plate 504 is provided on one side of the spring 503. The protective cover 505 is provided above the circuit board body 1, and the protective cover Sliding grooves 506 are provided at the corner positions of the bottom ends of 505, and snap-in bevel grooves 507 are provided at the top ends of the internal sliding grooves 506 of the protective cover 505. A shielding layer 508 is provided inside the protective cover 505. The springs 503 are symmetrically distributed on both sides of the isolation plate 502, and the snap-in plates 504 are symmetrically distributed inside the built-in grooves 501. The tops of the connecting columns 4 are arranged inside the sliding grooves 506, and the connecting columns 4 and the sliding grooves 506 form a sliding connection. The tops of the snap-in plates 504 are arranged inside the snap-in bevel grooves 507, and the snap-in plates 504 and the protective cover 505 form a snap-in structure through the snap-in bevel grooves 507.

[0030] During use, the circuit may be subject to various interferences such as electromagnetic interference, which may affect its normal operation. Traditional circuit boards are difficult to shield interference and have certain limitations during use. By providing a shielding structure 5, it is convenient to protect the circuit board from interference and facilitate installation, thereby greatly increasing the service life and ease of use of the device.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A circuit board with an anti-interference shielding structure, comprising a circuit board body (1) and a circuit element (2); Features: A circuit element (2) is arranged at the top of the circuit board body (1), and a heat dissipation structure (3) is arranged at the middle position of the top of the circuit board body (1); A connecting column (4) is provided at a corner position at the top of the circuit board body (1), and a shielding structure (5) is provided at the top of each connecting column (4); The shielding structure (5) comprises a built-in groove (501), an isolation plate (502), a spring (503), a snap-on plate (504), a protective cover (505), a sliding groove (506), a snap-on bevel groove (507) and a shielding layer (508). The built-in grooves (501) are all opened at the top of the connecting column (4). An isolation plate (502) is arranged at the middle position of the built-in groove (501). Springs (503) are arranged on both sides of the isolation plate (502). A snap-on plate (504) is arranged on one side of the spring (503). The protective cover (505) is arranged above the circuit board body (1). The sliding grooves (506) are opened at the corner positions of the bottom end of the protective cover (505). The top of the internal sliding groove (506) of the protective cover (505) is opened with a snap-on bevel groove (507). The inside of the protective cover (505) is provided with a shielding layer (508).

2. The circuit board with an anti-interference shielding structure according to claim 1, characterized in that: The heat dissipation structure (3) comprises a heat dissipation fan (301), a heat sink (302) and a limit cover (303); the heat dissipation fan (301) is arranged at the middle position of the top of the circuit board body (1); the heat sink (302) is arranged at the top of the heat dissipation fan (301); and the limit cover (303) is evenly arranged at the top of the circuit board body (1).

3. The circuit board with an anti-interference shielding structure according to claim 2, characterized in that: The bottom ends of the heat sinks (302) are fixedly connected to the outside of the heat sink fan (301) at the top end of the circuit board body (1), and the limiting covers (303) are arranged inside the heat sinks (302).

4. The circuit board with an anti-interference shielding structure according to claim 2, characterized in that: The limiting covers (303) are evenly arranged on the outside of the heat dissipation fan (301), and the limiting covers (303) are evenly spaced and distributed on the outside of the heat dissipation fan (301) at the top end of the circuit board body (1).

5. The circuit board with an anti-interference shielding structure according to claim 1, characterized in that: The springs (503) are symmetrically distributed on both sides of the isolation plate (502), and the clamping plates (504) are symmetrically distributed inside the built-in groove (501).

6. The circuit board with an anti-interference shielding structure according to claim 1, characterized in that: The top of the connecting column (4) is arranged inside the sliding groove (506), and the connecting column (4) and the sliding groove (506) form a sliding connection.

7. The circuit board with an anti-interference shielding structure according to claim 1, characterized in that: The top of the clamping plate (504) is arranged inside the clamping inclined groove (507), and the clamping plate (504) and the protective cover (505) form a clamping structure through the clamping inclined groove (507).

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