A heat dissipation structure of a new energy vehicle charging circuit board

Abstract

The utility model relates to the technical field of circuit board heat dissipation, and specifically to a heat dissipation structure of a new energy vehicle charging circuit board, including a base, a heat dissipation structure 1, a heat dissipation structure 2 and a circuit board body. The circuit board body is installed on the top of the base, and the heat dissipation structure 2 is installed on the top of the circuit board body. The circuit board body is installed on the top of the heat dissipation structure 2. The heat dissipation structure 1 includes a heat spreader 1, a heat dissipation copper tube, a heat spreader 2, a fixing seat 2, a hand-tightening nut, a fixing rod, a threaded rod, a spring and a limit plate. The utility model is provided with a heat dissipation structure 1, through which the heat spreader 1 can be attached to the heat-prone electronic components of the circuit board body, and the heat dissipation copper tube and the heat spreader 2 can disperse the heat more evenly, which is convenient for dissipating the heat. The utility model is provided with a heat dissipation structure 2, and the heat on the heat spreader 2 can be dissipated faster through the heat dissipation fins and the heat dissipation fan.

Description

Technical Field

[0001] The utility model belongs to the technical field of circuit board heat dissipation, and in particular relates to a heat dissipation structure of a charging circuit board for a new energy vehicle. Background Art

[0002] The names of circuit boards include: ceramic circuit boards, alumina ceramic circuit boards, aluminum nitride ceramic circuit boards, circuit boards, PCB boards, aluminum substrates, high-frequency boards, thick copper boards, impedance boards, PCBs, ultra-thin circuit boards, ultra-thin circuit boards, printed (copper etching technology) circuit boards, etc. Circuit boards miniaturize and visualize circuits, and play an important role in the mass production of fixed circuits and the optimization of electrical appliance layout. New energy vehicles are often equipped with charging circuit boards.

[0003] However, the existing charging circuit board does not have a heat dissipation structure. The existing charging circuit board relies on air flow for heat dissipation, and the heat dissipation efficiency is low. The heat generated by the circuit board is difficult to be discharged quickly, which can easily lead to serious heat accumulation in the charging circuit board and may cause the circuit board to burn out. Therefore, a heat dissipation structure for a new energy vehicle charging circuit board is urgently needed to solve the above problems. Utility Model Content

[0004] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a heat dissipation structure for a charging circuit board of a new energy vehicle, so as to solve the problem that the existing charging circuit board mentioned in the above-mentioned background technology does not have a heat dissipation structure, and the existing charging circuit board relies on air flow for heat dissipation, and the heat dissipation efficiency is low. The heat generated by the circuit board is difficult to be discharged quickly, which can easily lead to serious heat accumulation in the charging circuit board and may cause the circuit board to burn out.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat dissipation structure of a new energy vehicle charging circuit board, comprising a base, a heat dissipation structure one, a heat dissipation structure two and a circuit board body, the circuit board body is installed on the top of the base, the heat dissipation structure two is installed on the top of the circuit board body, the circuit board body is installed on the top of the heat dissipation structure two, the heat dissipation structure one comprises a heat spreader one, a heat dissipation copper tube, a heat spreader two, a fixing seat two, a hand-tightening nut, a fixing rod, a threaded rod, a spring and a limit plate.

[0006] Preferably, two fixing seats are fixedly connected to the left and right sides of the base, the fixing seat is threadedly connected to a fixing screw, the top of the base is fixedly connected to four rubber gaskets, the top of the base is fixedly connected to four limit seats, and the four limit seats are clamped to the circuit board body.

[0007] Preferably, the top of the heat spreader plate 1 is fixedly connected to a plurality of heat dissipation copper tubes, the top of the heat dissipation copper tubes is fixedly connected to the heat spreader plate 2, and the left and right sides of the heat spreader plate 2 are fixedly connected to two fixing seats 2.

[0008] Preferably, the bottom of the hand-tightening nut is fixedly connected to a fixing rod, the fixing rod is slidably connected to a second fixing seat, the bottom of the fixing rod is fixedly connected to a threaded rod, and the threaded rod is threadedly connected to a first fixing seat.

[0009] Preferably, the bottom of the hand-tightening nut is fixedly connected to one end of a spring, the other end of the spring is fixedly connected to a limiting plate, and the limiting plate is slidably connected to a fixing rod.

[0010] Preferably, the second heat dissipation structure includes heat dissipation fins, second fixing screws, a fixing bracket, a motor and a heat dissipation fan, and the heat dissipation fins are fixedly connected to the top of the second heat spreader by second fixing screws.

[0011] Preferably, the fixing bracket is fixedly connected to the top of the second heat spreader, the top of the second heat spreader is fixedly connected to the motor, and the driving shaft of the motor passes through the fixing bracket and is fixedly connected to the cooling fan.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The heat dissipation structure of the charging circuit board of a new energy vehicle is provided with a heat dissipation structure 1, a heat spreader plate 1 is placed on the top of the circuit board body, the hand-tightening nut is held to insert the fixing rod into the fixing seat 2, the limit plate is pressed against the fixing seat 2, so that the spring is compressed under pressure, the hand-tightening nut is turned to drive the threaded rod to rotate, so that the threaded rod fixes the fixing rod on the base, and the thrust of the spring pushes the heat spreader plate 2 downward to make the heat spreader plate 1 press against the circuit board body, the position of the heat spreader plate 1 corresponds to the position of the electronic components that are prone to heat on the circuit board body, the heat of the heat spreader plate 1 is transferred to the heat spreader plate 2 through the heat dissipation copper tube, the heat spreader plate 1 can be attached to the electronic components that are prone to heat on the circuit board body through the heat dissipation structure 1, the heat dissipation copper tube and the heat spreader plate 2 can disperse the heat more evenly, and the heat is convenient to dissipate.

[0014] 2. The heat dissipation structure of the new energy vehicle charging circuit board is provided with a heat dissipation structure 2, which can dissipate the heat on the heat spreader 2 faster through the heat dissipation fins. Turn on the motor to drive the heat dissipation fan to rotate, and the heat dissipation fan dissipates the surface of the heat spreader 2, which can dissipate the heat faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front perspective schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the explosion structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the explosion structure of the base of the utility model;

[0018] Figure 4This is a schematic diagram of an exploded structure of the heat dissipation structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the explosion structure of the second heat dissipation structure of the utility model.

[0020] In the figure: 1. Base; 11. Fixing seat 1; 12. Fixing screw 1; 13. Rubber gasket; 14. Limiting seat; 2. Heat dissipation structure 1; 21. Heat spreader 1; 22. Heat dissipation copper tube; 23. Heat spreader 2; 24. Fixing seat 2; 25. Tightening nut; 26. Fixing rod; 27. Threaded rod; 28. Spring; 29. ​​Limiting plate; 3. Heat dissipation structure 2; 31. Heat dissipation fin; 32. Fixing screw 2; 33. Fixing bracket; 34. Motor; 35. Cooling fan; 4. Circuit board body. 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] See also Figure 1-5 The utility model provides an embodiment: a heat dissipation structure of a new energy vehicle charging circuit board, including a base 1, a heat dissipation structure 1 2, a heat dissipation structure 2 3 and a circuit board body 4, the circuit board body 4 is installed on the top of the base 1, the heat dissipation structure 2 3 is installed on the top of the circuit board body 4, the circuit board body 4 is installed on the top of the heat dissipation structure 2 3, the heat dissipation structure 1 2 includes a heat spreader 1 21, a heat dissipation copper tube 22, a heat spreader 2 23, a fixing seat 2 24, a hand-tightening nut 25, a fixing rod 26, a threaded rod 27, a spring 28 and a limit plate 29.

[0023] The left and right sides of the base 1 are fixedly connected to two fixing seats 11, the fixing seats 11 are threadedly connected to fixing screws 12, the top of the base 1 is fixedly connected to four rubber gaskets 13, the top of the base 1 is fixedly connected to four limit seats 14, the four limit seats 14 are clamped with the circuit board body 4, the base 1 is fixed by fixing screws 12, the circuit board body 4 is placed on the base 1, the four limit seats 14 are clamped with the four corners of the circuit board body 4, and the rubber gaskets 13 are used to prevent the circuit board body 4 from contacting the top of the base 1 to cause damage to the circuit board body 4.

[0024] The top of the heat spreader 21 is fixedly connected to several heat dissipation copper tubes 22, the top of the heat dissipation copper tubes 22 is fixedly connected to the heat spreader 2 23, the left and right sides of the heat spreader 23 are fixedly connected to two fixing seats 2 24, the position of the heat spreader 21 corresponds to the position of the electronic components that are prone to heat on the circuit board body 4, and the heat of the heat spreader 21 is transferred to the heat spreader 2 23 through the heat dissipation copper tubes 22.

[0025] The bottom of the hand-tightening nut 25 is fixedly connected to the fixing rod 26 , and the fixing rod 26 is slidably connected to the fixing seat 2 24 . The bottom of the fixing rod 26 is fixedly connected to the threaded rod 27 , and the threaded rod 27 is threadedly connected to the fixing seat 11 .

[0026] The bottom of the hand-tightening nut 25 is fixedly connected to one end of the spring 28, and the other end of the spring 28 is fixedly connected to the limit plate 29. The limit plate 29 is slidably connected to the fixing rod 26. The hand-tightening nut 25 is held to insert the fixing rod 26 into the fixing seat 24. The limit plate 29 is pressed against the fixing seat 24, so that the spring 28 is compressed by the pressure. The hand-tightening nut 25 is rotated to make the hand-tightening nut 25 drive the threaded rod 27 to rotate, so that the threaded rod 27 fixes the fixing rod 26 on the base 1. The thrust of the spring 28 pushes the heat spreader plate 2 23 downward, so that the heat spreader plate 1 21 is pressed against the circuit board body 4.

[0027] The heat dissipation structure 23 includes heat dissipation fins 31, fixing screws 232, fixing brackets 33, motors 34 and heat dissipation fans 35. The heat dissipation fins 31 are fixedly connected to the top of the heat spreader 23 by fixing screws 232. The heat dissipation fins 31 can dissipate the heat on the heat spreader 23 faster.

[0028] The fixed bracket 33 is fixedly connected to the top of the heat spreader plate 23, and the top of the heat spreader plate 23 is fixedly connected to the motor 34. The driving shaft of the motor 34 passes through the fixed bracket 33 and is fixedly connected to the cooling fan 35. When the motor 34 is turned on, the motor 34 drives the cooling fan 35 to rotate, and the cooling fan 35 dissipates heat from the surface of the heat spreader plate 23, which can dissipate heat faster.

[0029] Working principle:

[0030] When in use, the base 1 is fixed by fixing screws 12, and the circuit board body 4 is placed on the base 1, so that the four limit seats 14 are clamped with the four corners of the circuit board body 4, and the rubber gasket 13 is used to prevent the circuit board body 4 from contacting the top of the base 1 to cause damage to the circuit board body 4. The heat spreader 21 is placed on the top of the circuit board body 4, and the hand-tightening nut 25 is held to insert the fixing rod 26 into the fixing seat 24. The limit plate 29 is against the fixing seat 24, so that the spring 28 is compressed by the pressure, and the hand-tightening nut 25 is turned to make the hand-tightening nut 25 drive the threaded rod 27 to rotate, so that the threaded rod 27 fixes the fixing rod 26 on the base 1, and the thrust of the spring 28 pushes the heat spreader 23 to Under the present invention, the heat spreader 21 is placed against the circuit board body 4, and the position of the heat spreader 21 corresponds to the position of the electronic component on the circuit board body 4 that is prone to heat. The heat of the heat spreader 21 is transferred to the heat spreader 23 through the heat dissipation copper tube 22. The heat spreader 21 can be attached to the electronic component on the circuit board body 4 that is prone to heat through the heat dissipation structure 2. The heat can be dispersed more evenly through the heat dissipation copper tube 22 and the heat spreader 23, which is convenient for heat dissipation. The heat on the heat spreader 23 can be dissipated faster through the heat dissipation fins 31. The motor 34 is turned on to drive the heat dissipation fan 35 to rotate. The heat dissipation fan 35 dissipates heat from the surface of the heat spreader 23, which can dissipate heat faster.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A heat dissipation structure of a new energy vehicle charging circuit board, comprising a base (1), a heat dissipation structure 1 (2), a heat dissipation structure 2 (3) and a circuit board body (4), characterized in that: A circuit board body (4) is mounted on the top of the base (1), a heat dissipation structure (2) is mounted on the top of the circuit board body (4), a circuit board body (4) is mounted on the top of the heat dissipation structure (2), and the heat dissipation structure (2) comprises a heat spreader (21), a heat dissipation copper tube (22), a heat spreader (23), a fixing seat (24), a hand-tightening nut (25), a fixing rod (26), a threaded rod (27), a spring (28) and a limit plate (29).

2. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 1 is characterized in that: The left and right sides of the base (1) are fixedly connected to two fixing seats (11), the fixing seats (11) are threadedly connected to fixing screws (12), the top of the base (1) is fixedly connected to four rubber gaskets (13), the top of the base (1) is fixedly connected to four limit seats (14), and the four limit seats (14) are clamped to the circuit board body (4).

3. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 2 is characterized in that: The top of the first heat spreader (21) is fixedly connected to a plurality of heat dissipation copper tubes (22), the top of the heat dissipation copper tubes (22) is fixedly connected to the second heat spreader (23), and the left and right sides of the second heat spreader (23) are fixedly connected to two second fixing seats (24).

4. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 3 is characterized in that: The bottom of the hand-tightening nut (25) is fixedly connected to a fixing rod (26), and the fixing rod (26) is slidably connected to a second fixing seat (24). The bottom of the fixing rod (26) is fixedly connected to a threaded rod (27), and the threaded rod (27) is threadedly connected to a first fixing seat (11).

5. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 4 is characterized in that: The bottom of the hand-tightening nut (25) is fixedly connected to one end of a spring (28), the other end of the spring (28) is fixedly connected to a limiting plate (29), and the limiting plate (29) is slidably connected to a fixing rod (26).

6. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 1, characterized in that: The second heat dissipation structure (3) comprises a heat dissipation fin (31), a second fixing screw (32), a fixing bracket (33), a motor (34) and a heat dissipation fan (35); the heat dissipation fin (31) is fixedly connected to the top of the second heat spreader (23) by the second fixing screw (32).

7. The heat dissipation structure of a new energy vehicle charging circuit board according to claim 6, characterized in that: The fixed bracket (33) is fixedly connected to the top of the second heat spreader (23), the top of the second heat spreader (23) is fixedly connected to the motor (34), and the driving shaft of the motor (34) passes through the fixed bracket (33) and is fixedly connected to the cooling fan (35).

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