PCBA board and PCBA test jig

Abstract

The utility model discloses a PCBA board and a PCBA test frame, which comprise a board body, a chip is arranged on the board body, the top of the chip is contacted with two symmetrically distributed heat conduction pads, the top of each heat conduction pad is fixedly connected with a heat conduction block, the outer side of each heat conduction block is fixedly sleeved with a connection cover, the connection cover is contacted with the board body, and the connection cover is fixedly connected with the board body. A dustproof net is arranged in the connecting cover, a connecting block is fixedly connected to the outer side of the connecting cover, and a fixing base is slidably connected to the outer side of the connecting block in a sleeving mode. According to the utility model, through the design of the connecting cover and the dustproof net, the connecting cover can be sleeved on the outer side of the chip, the chip can be protected, dust prevention and heat dissipation can be carried out on the chip, the heat dissipation efficiency is prevented from being influenced, the heat of the chip can be absorbed and transferred through the heat conduction pad and the heat conduction block, the heat dissipation effect on the chip can be further improved, and the service life of the chip is prolonged. Meanwhile, the connecting cover is convenient to disassemble and use.

Description

Technical Field

[0001] The utility model relates to the technical field of PCBA boards, in particular to a PCBA board and a PCBA test frame. Background Art

[0002] PCBA is the abbreviation of Printed Circuit Board Assembly. It refers to the process of soldering, assembling and testing components (such as electronic components, connectors, sensors, etc.) on a completed printed circuit board (PCB). PCBA is usually one of the key links in the manufacturing of electronic products.

[0003] The utility model patent with the patent authorization announcement number CN219761699U discloses an anti-static PCBA board, which relates to the technical field of PCBA boards, including a protective shell and an anti-static PCBA board body, wherein the anti-static PCBA board body is arranged on the inner side of the protective shell, and the four corners of the anti-static PCBA board body are provided with jacks, the bottom of the protective shell is provided with a plurality of strip-shaped openings, and the inner sides of the plurality of strip-shaped openings are slidably provided with sliders, and the middle fixed sleeve of the slider is provided with a vertical rod, and the upper end of the vertical rod is provided with a card slot, and the inner wall of the card slot conflicts with the side wall of the jack; two rotating rods are arranged at the middle end of the bottom of the protective shell, and the two ends of the rotating rod are rotatably connected with side plates, one side of the side plate is fixedly connected with the bottom of the protective shell, and one side of the rotating rod is provided with a pushing mechanism for pushing the corresponding two vertical rods. The utility model has good protective performance, and is convenient and quick to install, saving time and effort.

[0004] In the above prior art, it is not convenient to protect the chip of the PCBA during use, and the chip is easily damaged if it is hit during use. In addition, it is not convenient to quickly locate the PCBA during testing, which affects the test efficiency. Therefore, improvement is needed. Utility Model Content

[0005] The utility model aims to provide a PCBA board and a PCBA test stand, which solves the problem of inconvenient adjustment of drainage flow and the problem of the filter screen being easily blocked by impurities during filtration and affecting drainage.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PCBA board, comprising a board body, a chip is arranged on the board body, the top of the chip is in contact with two symmetrically distributed thermal pads, the top of the thermal pad is fixedly connected with a thermal block, the outer side of the thermal block is fixedly sleeved with a connecting cover, the connecting cover is in contact with the board body, a dustproof net is arranged inside the connecting cover, the outer side of the connecting cover is fixedly connected with a connecting block, the outer side of the connecting block is slidably sleeved with a fixing seat, the fixing seat is fixedly connected to the board body, the fixing seat is in contact with the connecting cover, the outer side of the connecting block is fixedly connected with a clamping block, and the clamping block is clamped with the fixing seat.

[0007] Preferably, the thermal pad and the thermal block are an integrated structure, and both the thermal pad and the thermal block are made of thermally conductive silicone. The thermal pad and the thermal block can be designed to absorb and transfer the heat of the chip.

[0008] Preferably, the connecting block and the clamping block are an integrated structure, and both the connecting block and the clamping block are made of rubber. The clamping block is designed so that the clamping block can be deformed when subjected to force.

[0009] A PCBA test frame also includes a base, the top of the base is fixedly connected to a support rod, the top of the support rod is fixedly connected to a top plate, the top of the top plate is fixedly connected to a fixing rod, the outer side of the fixing rod is fixedly sleeved with a connecting frame, the other end of the connecting frame is fixedly connected to a bellows, the top of the bellows is fixedly connected to an air inlet pipe, the bottom of the bellows is fixedly connected to a guide cover, and a positioning mechanism is provided on the top plate.

[0010] Preferably, the positioning mechanism includes a pulley, the top of the plate body is in contact with a pulley, the outer side of the pulley is rotatably sleeved with a wheel frame, the top of the wheel frame is fixedly connected with a slide rod, the outer side of the slide rod is slidably sleeved with a positioning seat, the positioning seat is in contact with the plate body, the positioning seat is fixedly connected to the top plate, the wheel frame is fixedly connected with a connecting rod at one end close to the positioning seat, the connecting rod is slidably connected to the positioning seat, the inner side of the connecting rod is slidably sleeved with a guide rod, the guide rod is fixedly connected to the positioning seat, and a spring is arranged on the outer side of the guide rod. By designing the positioning mechanism, the rapid positioning of the plate body is facilitated.

[0011] Preferably, the top of the slide bar is fixedly connected to a limiting block, and the limiting block is circular. By designing the limiting block, the slide bar and the positioning seat can be prevented from separating.

[0012] Preferably, one end of the spring is fixedly connected to the positioning seat, and the other end of the spring is fixedly connected to the connecting rod. The spring is designed so that the force of the spring can act on the connecting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model designs the connection cover and the dustproof net, so that the connection cover can be put on the outside of the chip to protect the chip, and at the same time, it can prevent dust and heat dissipation to avoid affecting the heat dissipation efficiency. The heat of the chip can be absorbed and transferred through the thermal pad and the thermal block, which can further improve the heat dissipation effect of the chip. At the same time, the connection cover is easy to disassemble and use.

[0015] 2. The utility model designs the function of the pulley. When the plate moves horizontally and contacts the pulley, the pulley can be lifted upward. The pulley can drive the connecting rod to slide along the guide rod and squeeze the spring. Under the elastic action of the spring, a downward reaction force is given to the connecting rod, so that the pulley can press the plate body, which is convenient for the rapid positioning test of the plate body. At the same time, under the action of the air deflector, the plate body can be quickly cooled after the test, which is convenient for the removal of the plate body after the test. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 A three-dimensional cross-sectional view of the local structure;

[0018] Figure 3 For this utility model Figure 1 A three-dimensional cross-sectional view of a local structure of a plate;

[0019] Figure 4 For this utility model Figure 2 Enlarged view of point A.

[0020] In the figure: 1. base; 2. support rod; 3. top plate; 4. fixing rod; 5. connecting frame; 6. bellows; 7. air intake pipe; 9. positioning mechanism; 10. air deflector; 11. plate body; 12. chip; 81. thermal pad; 82. thermal block; 83. connecting cover; 84. dust net; 85. connecting block; 86. fixing seat; 87. clamping block; 91. pulley; 92. wheel frame; 93. slide rod; 94. positioning seat; 95. limit block; 96. connecting rod; 97. guide rod; 98. spring. DETAILED DESCRIPTION

[0021] 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.

[0022] Embodiment 1:

[0023] See also Figure 1 , Figure 3 A PCBA board includes a board body 11, a chip 12 is arranged on the board body 11, the top of the chip 12 contacts with two symmetrically distributed thermal pads 81, the top of the thermal pad 81 is fixedly connected with a thermal block 82, the thermal pad 81 and the thermal block 82 are an integrated structure, the thermal pad 81 and the thermal block 82 are both made of thermal conductive silicone, the thermal pad 81 and the thermal block 82 can absorb and transfer the heat of the chip 12 by design, the outer side of the thermal block 82 is fixedly sleeved with a connecting cover 83, the connecting cover 83 is in contact with the board body 11, and the connecting cover 83 is connected to the board body 11. A dustproof net 84 is provided inside the connecting cover 83, a connecting block 85 is fixedly connected to the outer side of the connecting cover 83, a fixing seat 86 is slidably sleeved on the outer side of the connecting block 85, the fixing seat 86 is fixedly connected to the plate body 11, the fixing seat 86 contacts the connecting cover 83, a clamping block 87 is fixedly connected to the outer side of the connecting block 85, the connecting block 85 and the clamping block 87 are an integrated structure, both of which are made of rubber, and the clamping block 87 is designed so that the clamping block 87 can be deformed when subjected to force, and the clamping block 87 is clamped with the fixing seat 86.

[0024] The specific implementation process of the utility model is as follows: when in use, under the action of the connection cover 83, the connection cover 83 is sleeved on the outside of the chip 12 to protect the chip 12. At the same time, the dustproof net 84 does not affect the ventilation effect of the chip 12, avoiding affecting the heat dissipation efficiency. The heat transfer to the chip 12 can be achieved through the action of the thermal pad 81 and the thermal block 82, which can further improve the heat dissipation effect of the chip 12. When the connection cover 83 needs to be disassembled, the connection cover 83 is directly pulled up, and the connection cover 83 drives the connection block 85 to slide along the fixed seat 86. At the same time, the connection block 85 drives the card block 87 to move, so that the card block 87 slides out from the inside of the fixed seat 86, and the connection cover 83 can be disassembled, which is convenient to use.

[0025] Embodiment 2:

[0026] See also Figure 1 , Figure 2 A PCBA board test stand includes the above-mentioned PCBA board and a base 1. The top of the base 1 is fixedly connected to a support rod 2, the top of the support rod 2 is fixedly connected to a top plate 3, the top of the top plate 3 is fixedly connected to a fixing rod 4, the outer side of the fixing rod 4 is fixedly sleeved with a connecting frame 5, the other end of the connecting frame 5 is fixedly connected to a bellows 6, the top of the bellows 6 is fixedly connected to an air inlet pipe 7, the bottom of the bellows 6 is fixedly connected to a guide cover 10, and a positioning mechanism 9 is provided on the top plate 3.

[0027] See also Figure 1 , Figure 2 , Figure 4The positioning mechanism 9 includes a pulley 91, and the top of the plate body 11 is in contact with the pulley 91. The outer side of the pulley 91 is rotatably sleeved with a wheel frame 92. The top of the wheel frame 92 is fixedly connected with a slide rod 93, and the outer side of the slide rod 93 is slidably sleeved with a positioning seat 94. The positioning seat 94 contacts the plate body 11, and the positioning seat 94 is fixedly connected to the top plate 3. The top of the slide rod 93 is fixedly connected with a limiting block 95. The limiting block 95 is circular. By designing the limiting block 95, the separation of the slide rod 93 and the positioning seat 94 can be prevented. One end of the wheel frame 92 close to the positioning seat 94 is fixedly connected with a connecting rod 96, and the connecting rod 96 is slidably connected to the positioning seat 94. The inner sliding sleeve of the connecting rod 96 is connected with a guide rod 97, and the guide rod 97 is fixedly connected to the positioning seat 94. A spring 98 is arranged on the outer side of the guide rod 97, and one end of the spring 98 is fixedly connected to the positioning seat 94, and the other end of the spring 98 is fixedly connected to the connecting rod 96. By designing the spring 98 , the force of the spring 98 can act on the connecting rod 96 , and by designing the positioning mechanism 9 , the rapid positioning of the plate body 11 is facilitated.

[0028] The specific implementation process of the utility model is as follows: when in use, when it is necessary to test the plate body 11, the plate body 11 is first placed on the top plate 3, and then the plate body 11 is pushed to move horizontally. The plate body 11 will first contact the pulley 91, and the plate body 11 will squeeze and push the pulley 91 upward, and the pulley 91 drives the wheel frame 92 and the slide bar 93 to move upward, and the slide bar 93 drives the limit block 95 to move, and at the same time, the wheel frame 92 drives the connecting rod 96 to slide along the guide rod 97, and the connecting rod 96 will squeeze the spring 98, and finally the pulley 91 is on the upper surface of the plate body 11. At this time, under the elastic action of the spring 98, the pulley 91 can be pressed against the plate body 11, which is convenient for the rapid positioning test of the plate body 11. After the test is completed, the air intake pipe 7 blows air to the inside of the bellows 6, so that the air is blown out through the air guide cover 10, which can quickly cool the plate body 11 after the test, and facilitate the removal of the plate body 11 after the test.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A PCBA board, characterized in that: The invention comprises a plate body (11), characterized in that: a chip (12) is arranged on the plate body (11), the top of the chip (12) contacts with two symmetrically distributed heat-conducting pads (81), the top of the heat-conducting pad (81) is fixedly connected with a heat-conducting block (82), the outer side of the heat-conducting block (82) is fixedly sleeved with a connecting cover (83), the connecting cover (83) contacts with the plate body (11), a dust-proof net (84) is arranged inside the connecting cover (83), the outer side of the connecting cover (83) is fixedly connected with a connecting block (85), the outer side of the connecting block (85) is slidably sleeved with a fixing seat (86), the fixing seat (86) is fixedly connected with the plate body (11), the fixing seat (86) contacts with the connecting cover (83), the outer side of the connecting block (85) is fixedly connected with a clamping block (87), and the clamping block (87) is clamped with the fixing seat (86).

2. A PCBA board according to claim 1, characterized in that: The thermal pad (81) and the thermal block (82) are an integrated structure, and both the thermal pad (81) and the thermal block (82) are made of thermally conductive silicone material.

3. A PCBA board according to claim 1, characterized in that: The connecting block (85) and the clamping block (87) are an integrated structure, and both the connecting block (85) and the clamping block (87) are made of rubber material.

4. A PCBA test stand, characterized in that: The PCBA board comprises a PCBA board as claimed in any one of claims 1 to 3, and further comprises a base (1), the top of the base (1) is fixedly connected to a support rod (2), the top of the support rod (2) is fixedly connected to a top plate (3), the top of the top plate (3) is fixedly connected to a fixing rod (4), the outer side of the fixing rod (4) is fixedly sleeved with a connecting frame (5), the other end of the connecting frame (5) is fixedly connected to a bellows (6), the top of the bellows (6) is fixedly connected to an air inlet pipe (7), the bottom of the bellows (6) is fixedly connected to a guide cover (10), and a positioning mechanism (9) is provided on the top plate (3).

5. The PCBA test stand according to claim 4, characterized in that: The positioning mechanism (9) comprises a pulley (91), the top of the plate body (11) is in contact with the pulley (91), the outer side of the pulley (91) is rotatably sleeved with a wheel frame (92), the top of the wheel frame (92) is fixedly connected with a slide rod (93), the outer side of the slide rod (93) is slidably sleeved with a positioning seat (94), the positioning seat (94) is in contact with the plate body (11), the positioning seat (94) is fixedly connected to the top plate (3), one end of the wheel frame (92) close to the positioning seat (94) is fixedly connected with a connecting rod (96), the connecting rod (96) is slidably connected to the positioning seat (94), the inner side of the connecting rod (96) is slidably sleeved with a guide rod (97), the guide rod (97) is fixedly connected to the positioning seat (94), and a spring (98) is arranged on the outer side of the guide rod (97).

6. The PCBA test stand according to claim 5, characterized in that: The top of the sliding rod (93) is fixedly connected to a limiting block (95), and the limiting block (95) is circular.

7. The PCBA test stand according to claim 5, characterized in that: One end of the spring (98) is fixedly connected to the positioning seat (94), and the other end of the spring (98) is fixedly connected to the connecting rod (96).

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