High-temperature-resistant PCBA circuit board

Abstract

The utility model relates to the PCBA circuit board technical field, and discloses a high temperature resistant PCBA circuit board comprising a placing box and a box cover, the placing box is provided with a moving assembly, the placing box is provided with a moving groove, the moving assembly comprises a moving driving motor, a reciprocating screw rod, a moving block, a connecting rod, a protection box, a rotation driving motor, a fan blade, and a storage box; the moving block slides through the moving groove, and the moving driving motor is fixedly connected to one side of the containing box. A reciprocating screw rod is driven by a moving driving motor to rotate along a placing box, the reciprocating screw rod rotates to enable a moving block to reciprocate along a moving groove and the reciprocating screw rod through limiting of the placing box, the moving block drives a connecting rod, a protective box, the rotating driving motor and fan blades to reciprocate, and the fan blades reciprocate to move and blow a circuit board. The circuit board can uniformly dissipate heat, and the heat dissipation effect can be effectively improved, so that the high temperature resistance of the circuit board is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to PCBA circuit board technical field especially relates to a kind of high-temperature-resistant PCBA circuit board. BACKGROUND

[0002] The name of circuit board has: ceramic circuit board, aluminum oxide ceramic circuit board, aluminum nitride ceramic circuit board, circuit board, PCB board, aluminum substrate, high-frequency board, thick copper plate, impedance board, PCB, super-thin circuit board, super-thin circuit board, printing (copper etching technology) circuit board etc., circuit board miniaturizes, visualizes for fixed circuit batch production and optimization electric appliance layout play important role, PCBA is the whole process of SMT upper piece or DIP plug-in of PCB blank, circuit board when being used, heat condition can appear, too high temperature can shorten the service life of electronic components on circuit board, in addition, the installation of circuit board is more troublesome, waste staff's time.

[0003] To solve the above problems, through retrieval, prior art discloses (application number: CN202122707823.6) a kind of high-temperature-resistant PCBA circuit board;The paper proposes including placing box, circuit board, heat sink and fixing device, the inner chamber bottom of placing box is equipped with through-hole, and circuit board is placed in the inner chamber of placing box, the heat sink is connected at the through-hole of placing box, the fixing device is equipped with two, and fixing device is located above circuit board, the utility model, through the mutual cooperation of fixed frame, heat sink, heat conduction plate and suction fan, so that heat conduction plate transmits the heat on circuit board to heat sink, then the hot air is guided out to the outer surface of fixed frame by suction fan, and circuit board is well cooled.The effect is good.But its fan position is fixed so that the heat dissipation of circuit board is uneven and the effect is poor, and a large amount of dust is accumulated for long-term use, thereby reducing the effect of heat dissipation. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a kind of high-temperature-resistant PCBA circuit board.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of high-temperature-resistant PCBA circuit board, including placing box, box cover, the mobile assembly is installed on the placing box, the moving groove is set up on the placing box, the mobile assembly includes mobile drive motor, reciprocating screw rod, moving block, connecting rod, protection box, rotary drive motor, fan blade, storage box, the moving block is slid by moving groove, the mobile drive motor is fixed to the side of placing box;

[0006] The output end of the moving driving motor is fixedly connected with a reciprocating screw rod, and a moving block is threadedly connected on the reciprocating screw rod, and one side of the moving block is slidably connected with a connecting rod provided with a connecting groove, and the side of the connecting rod away from the moving block is fixedly connected with a protection box.

[0007] As a further description of the above technical solution:

[0008] The rotating driving motor is fixedly connected in the protection box, and the output end of the rotating driving motor is fixedly connected with a fan blade, one side of the protection box is fixedly connected with a storage box, and the side of the protection box and the storage box, which are connected with each other, is provided with a ventilation hole and is in communication.

[0009] As a further description of the above technical solution:

[0010] One side of the box cover is fixedly connected with a mounting plate, and the mounting plate is provided with two groups and is symmetrically arranged.

[0011] As a further description of the above technical solution:

[0012] The circuit board is installed in the placing box, and the box cover and the mounting plate are connected with one side of the placing box through bolts.

[0013] As a further description of the above technical solution:

[0014] One side of the placing box is provided with a mounting groove, and a dismounting assembly is installed in the mounting groove, and the dismounting assembly comprises a connecting frame, a dustproof net, a pull rod, a limiting rod and a limiting pin.

[0015] As a further description of the above technical solution:

[0016] The inner side of the connecting frame is fixedly connected with the dustproof net, one side of the connecting frame is fixedly connected with the pull rod, the connecting frame is provided with a positioning groove one, the placing box is provided with a positioning groove two, the limiting rod passes through the positioning groove two and the positioning groove one to install and fix the connecting frame in the mounting groove, one side of the limiting rod is provided with a limiting hole, and the limiting hole limits the limiting rod through the limiting pin.

[0017] As a further description of the above technical solution:

[0018] The mounting groove, the connecting frame, the dustproof net, the pull rod, the positioning groove one, the positioning groove two, the limiting rod, the limiting hole and the limiting pin are provided with two groups and are symmetrically arranged.

[0019] The utility model has the advantages of the following beneficial effects:

[0020] 1, by moving drive motor drive reciprocating screw rod along the placement box, reciprocating screw rod rotation makes the moving block through the placement box limit along the moving groove and reciprocating screw rod reciprocating movement, moving block with connecting rod, protective box, rotation drive motor, fan blade reciprocating movement, fan blade reciprocating movement in turn to the circuit board moves blowing, so that the circuit board can evenly heat dissipation, can effectively improve the heat dissipation effect, thereby improving the high temperature resistance of circuit board.

[0021] 2, pull the connecting rod, connecting rod with protective box, rotation drive motor, fan blade, storage box along the moving block sliding down, take out the limit pin from the limit hole, pull the limit rod, limit rod along the positioning groove two and positioning groove one sliding out, pull the pull rod, pull rod with connecting frame and dust screen along the installation groove sliding out, so that the dust screen is more convenient to disassemble, can effectively maintain the dustproof effect of dust screen, thereby increasing the service life of circuit board. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 A three-dimensional structure diagram of a high-temperature-resistant PCBA circuit board is provided in the present application Figure 1 ;

[0023] Figure 2 A three-dimensional structure diagram of a high-temperature-resistant PCBA circuit board is provided in the present application Figure 2 ;

[0024] Figure 3 A structure disassembly diagram of a moving assembly is provided in the present application

[0025] Figure 4 A partial structure disassembly diagram of a high-temperature-resistant PCBA circuit board is provided in the present application

[0026] Figure 5 A Figure 4 enlarged view of A in the figure

[0027] LEGEND:

[0028] 1, placement box; 2, box cover; 3, circuit board; 4, moving groove; 5, moving assembly; 51, moving drive motor; 52, reciprocating screw rod; 53, moving block; 54, connecting rod; 55, protective box; 56, rotation drive motor; 57, fan blade; 58, storage box; 59, connecting groove; 6, disassembly assembly; 61, connecting frame; 62, dust screen; 63, pull rod; 64, positioning groove one; 65, positioning groove two; 66, limit rod; 67, limit hole; 68, limit pin; 7, installation groove; 8, mounting plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0030] With reference to Figures 1-5 The utility model provides an embodiment: a kind of high-temperature-resistant PCBA circuit board, including placing box 1, box cover 2, mobile assembly 5 is installed on placing box 1, mobile slot 4 is provided on placing box 1, mobile assembly 5 includes mobile drive motor 51, reciprocating screw rod 52, moving block 53, connecting rod 54, protective box 55, rotary drive motor 56, fan blade 57, storage box 58, moving block 53 is slid by mobile slot 4, mobile drive motor 51 is fixedly connected to one side of placing box 1;

[0031] The output end of mobile drive motor 51 is fixedly connected reciprocating screw rod 52, and reciprocating screw rod 52 is threadedly connected with moving block 53, and the side of moving block 53 is slidably connected with connecting rod 54 provided with connecting slot 59, and the side, away from moving block 53, of connecting rod 54 is fixedly connected with protective box 55.

[0032] As a preferred implementation, rotary drive motor 56 is fixedly connected in protective box 55, and the output end of rotary drive motor 56 is fixedly connected with fan blade 57, and one side of the outside of protective box 55 is fixedly connected with storage box 58, and the side, connected with storage box 58, of protective box 55 is provided with ventilation hole and is in communication.

[0033] As Figures 1-5 shown: first, rotary drive motor 56 drives fan blade 57 to rotate to blow and heat dissipate circuit board 3 in placing box 1, reciprocating screw rod 52 is rotated along with placing box 1 by mobile drive motor 51, and moving block 53 is reciprocated along with reciprocating screw rod 52 through the limit of placing box 1, moving block 53 reciprocates with connecting rod 54, protective box 55, rotary drive motor 56 and fan blade 57, and fan blade 57 reciprocates to blow and move circuit board 3, so that circuit board 3 can be evenly heat dissipated, and the heat dissipation effect can be effectively improved.

[0034] It should be noted that the shape of its connecting rod 54 is L-shaped to facilitate movement, and some dry ice type solid cooling objects can be placed in storage box 58, when fan blade 57 rotates, cold air in storage box 58 enters protective box 55 through ventilation hole on protective box 55 and is finally blown into placing box 1 to cool circuit board 3.

[0035] As a preferred embodiment, the mounting plate 8 is fixed on one side of the box cover 2, and the mounting plate 8 is provided with two sets of symmetrically arranged groups.

[0036] As a preferred embodiment, the circuit board 3 is installed in the box 1, and the box cover 2 and the mounting plate 8 are connected to one side of the box 1 through bolts.

[0037] As shown in Figures 1-5 , the box 1 is more convenient to connect or disassemble the box cover 2.

[0038] As a preferred embodiment, the mounting groove 7 is arranged on one side of the box 1, and the disassembly assembly 6 is installed in the mounting groove 7. The disassembly assembly 6 includes a connecting frame 61, a dustproof screen 62, a pull rod 63, a limiting rod 66, and a limiting pin 68. The connecting frame 61 is slidingly connected in the mounting groove 7 arranged on the box 1.

[0039] As shown in Figures 1-5 , the arrangement of the disassembly assembly 6 can effectively protect the dust outside the box 1, avoid the entry of a large amount of dust into the box 1 to affect the circuit board 3, and effectively improve the heat dissipation effect.

[0040] As a preferred embodiment, the dustproof screen 62 is fixed on the inner side of the connecting frame 61, the pull rod 63 is fixed on one side of the connecting frame 61, the connecting frame 61 is provided with a positioning groove one 64, the box 1 is provided with a positioning groove two 65, the limiting rod 66 passes through the positioning groove two 65 and the positioning groove one 64 to install and fix the connecting frame 61 in the mounting groove 7, one side of the limiting rod 66 is provided with a limiting hole 67, and the limiting pin 68 is arranged in the limiting hole 67 to limit the limiting rod 66.

[0041] As a preferred embodiment, the mounting groove 7, the connecting frame 61, the dustproof screen 62, the pull rod 63, the positioning groove one 64, the positioning groove two 65, the limiting rod 66, the limiting hole 67, and the limiting pin 68 are provided with two sets of symmetrically arranged groups.

[0042] As shown in Figures 1-5 , when the dustproof screen 62 needs to be disassembled and cleaned, the connecting rod 54 is first pulled, the connecting rod 54 takes away the protective box 55, the rotating drive motor 56, the fan blade 57, and the storage box 58 along the moving block 53, the limiting pin 68 is taken out of the limiting hole 67, the limiting rod 66 is pulled, the limiting rod 66 is slidingly taken out along the positioning groove two 65 and the positioning groove one 64, the pull rod 63 is pulled, the pull rod 63 takes away the connecting frame 61 and the dustproof screen 62 along the mounting groove 7, the dustproof screen 62 is more convenient to disassemble, and the dustproof effect of the dustproof screen 62 can be effectively maintained.

[0043] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A high-temperature-resistant PCBA circuit board, comprising a placing box (1) and a box cover (2), characterized in that: The placing box (1) is provided with a moving assembly (5), and the placing box (1) is provided with a moving groove (4); the moving assembly (5) comprises a moving drive motor (51), a reciprocating screw rod (52), a moving block (53), a connecting rod (54), a protective box (55), a rotating drive motor (56), a fan blade (57) and a storage box (58); the moving block (53) slides through the moving groove (4); and the moving drive motor (51) is fixed to one side of the placing box (1). The output end of the moving drive motor (51) is fixedly connected with the reciprocating screw rod (52), the reciprocating screw rod (52) is threadedly connected with the moving block (53), one side of the moving block (53) is slidably connected with the connecting rod (54) provided with a connecting groove (59), and the connecting rod (54) is fixedly connected with the protective box (55) away from the moving block (53).

2. The high-temperature-resistant PCBA circuit board according to claim 1, characterized in that: The protective box (55) is fixedly connected with the rotating drive motor (56), the output end of the rotating drive motor (56) is fixedly connected with the fan blade (57), one side of the protective box (55) is fixedly connected with the storage box (58), and the protective box (55) and the storage box (58) are both provided with ventilation holes and are in communication.

3. The high-temperature-resistant PCBA circuit board according to claim 2, characterized in that: One side of the box cover (2) is fixedly connected with a mounting plate (8), and the mounting plate (8) is provided with two groups and is symmetrically arranged.

4. The high-temperature-resistant PCBA circuit board according to claim 3, characterized in that: The placing box (1) is internally provided with a circuit board (3), and the box cover (2) and the mounting plate (8) are connected with one side of the placing box (1) through bolts.

5. The high-temperature-resistant PCBA circuit board according to claim 4, characterized in that: One side of the placing box (1) is provided with a mounting groove (7), the mounting groove (7) is internally provided with a dismounting assembly (6), and the dismounting assembly (6) comprises a connecting frame (61), a dustproof net (62), a pull rod (63), a limiting rod (66) and a limiting pin (68).

6. The high-temperature-resistant PCBA circuit board according to claim 5, characterized in that: The inner side of the connecting frame (61) is fixedly connected with the dustproof net (62), one side of the connecting frame (61) is fixedly connected with the pull rod (63), the connecting frame (61) is provided with a positioning groove one (64), the placing box (1) is provided with a positioning groove two (65), the limiting rod (66) passes through the positioning groove two (65) and the positioning groove one (64) to fix the connecting frame (61) in the mounting groove (7), one side of the limiting rod (66) is provided with a limiting hole (67), and the limiting hole (67) is limited by the limiting pin (68).

7. The high-temperature-resistant PCBA circuit board according to claim 6, characterized in that: The mounting groove (7), the connecting frame (61), the dustproof net (62), the pull rod (63), the positioning groove one (64), the positioning groove two (65), the limiting rod (66), the limiting hole (67) and the limiting pin (68) are all provided with two groups and are symmetrically arranged.

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