High-temperature-resistant circuit board for motor

Abstract

The utility model discloses a high temperature resistant circuit board used for a motor, comprising a mounting plate, the four top corners of the mounting plate are respectively provided with a threaded hole, the upper end of the mounting plate is fixedly provided with two fixing assemblies which are arranged left and right at an interval, and the middle part of the upper end of the mounting plate is slidably connected with a heat dissipation assembly through a sliding groove and a sliding block. The heat dissipation assembly is located between the two fixing assemblies, the two fixing assemblies are jointly connected with a circuit board in a clamped mode, the lower end of the circuit board makes contact with the upper end of the heat dissipation assembly, a limiting device is fixed to the front portion of the upper end of the mounting plate, and two heat dissipation fans arranged in a left-right spaced mode are fixed to the rear portion of the upper end of the mounting plate. According to the high-temperature-resistant circuit board for the motor, the lower end of the circuit board is provided with the heat absorption plate and the heat dissipation plate, and the heat dissipation fan is arranged behind the heat absorption plate and the heat dissipation plate, so that heat dissipation is faster, the circuit board can bear higher temperature, and after the circuit board is taken away, the heat dissipation assembly can be conveniently detached and cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of electric motors, in particular to a high temperature resistant circuit board for electric motors. Background Art

[0002] Motors are important power parts for various electrical appliances. The motor controller is often located inside the motor and is used to control the operation of the motor.

[0003] During the operation of the motor, a large amount of heat will be generated due to the core loss of the motor and other reasons. If the heat cannot be dissipated in time, the motor will be damaged. The motor controller is mainly composed of a circuit board, and the circuit board has poor high temperature resistance. If the circuit board is damaged, it will directly cause damage to the motor. Therefore, we propose a high temperature resistant circuit board for the motor. Utility Model Content

[0004] The main purpose of the utility model is to provide a high temperature resistant circuit board for a motor, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A high temperature resistant circuit board for a motor comprises a mounting plate, wherein each of the four top corners of the mounting plate is provided with a threaded hole, a fixing assembly is fixed to the upper end of the mounting plate, wherein there are two fixing assemblies which are spaced apart from each other, a heat dissipation assembly is slidably connected to the middle part of the upper end of the mounting plate through a slide groove and a slider, the heat dissipation assembly is located between the two fixing assemblies, a circuit board is jointly clamped with the two fixing assemblies, the lower end of the circuit board contacts the upper end of the heat dissipation assembly, a limiting device is fixed to the front part of the upper end of the mounting plate, and two heat dissipation fans which are spaced apart from each other are fixed to the rear part of the upper end of the mounting plate.

[0007] Preferably, the fixing assembly includes a vertical plate, a screw rod and a positioning plate. The side wall of the vertical plate is provided with a plurality of through heat dissipation holes, and the plurality of heat dissipation holes are arranged at intervals in front and back. A clamping plate is fixed to one end of the vertical plate close to the circuit board, and the positioning plate is located above the clamping plate. The screw rod is threadedly connected to the positioning plate, and the screw rod extends downward through the clamping plate. The lower end of the screw rod is rotatably connected to the upper end of the mounting plate through a bearing.

[0008] Preferably, the heat dissipation assembly includes a sliding plate, the lower end of the sliding plate is slidably connected to the mounting plate through a slider and a slide groove, the upper end of the sliding plate is fixed with a plurality of heat dissipation plates spaced apart on the left and right, the upper ends of the plurality of heat dissipation plates are commonly fixed with a heat absorbing plate, and the upper end of the heat absorbing plate is in contact with the lower end of the circuit board.

[0009] Preferably, the limiting device includes a mounting block, which is fixed to the left side of the upper end of the mounting plate, the right end of the mounting block is fixedly connected to a hinged seat, the hinged seat is rotatably connected to a clamping plate via an axis, a clamping block is fixed on one end of the clamping plate close to the mounting block, and a limiting block is fixed on the end of the clamping plate away from the mounting block.

[0010] Preferably, the upper end of the screw rod is located above the positioning plate, a knob is fixed to the upper end of the screw rod, and the screw rod is located outside the circuit board.

[0011] Preferably, a slot is provided at the right end of the mounting block, a limiting slot is provided at the upper end of the mounting plate, the limiting slot is located between the two slide slots, the position of the mounting block corresponds to the slot, and the position of the limiting block corresponds to the limiting slot.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. In the utility model, a heat absorbing plate and a heat dissipating plate are arranged at the lower end of the circuit board, and a heat dissipating fan is arranged behind the heat absorbing plate and the heat dissipating plate to dissipate heat faster, so that the circuit board can withstand a higher temperature.

[0014] 2. In the present invention, after the circuit board is removed, the heat dissipation component can be disassembled more conveniently, so that the heat dissipation component can be cleaned conveniently. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of a high temperature resistant circuit board for a motor according to the utility model;

[0016] Figure 2 This is a schematic diagram of the overall structure of a fixing assembly of a high temperature resistant circuit board for a motor according to the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of a heat dissipation component of a high temperature resistant circuit board for a motor according to the utility model;

[0018] Figure 4 The utility model is a schematic diagram of the overall structure of a limit device for a high temperature resistant circuit board of a motor.

[0019] In the figure: 1. mounting plate; 2. fixing assembly; 3. heat dissipation assembly; 4. circuit board; 5. cooling fan; 6. limiting device; 21. vertical plate; 22. clamping plate; 23. screw rod; 24. heat dissipation hole; 25. positioning plate; 31. heat absorbing plate; 32. heat dissipation plate; 33. sliding plate; 61. mounting block; 62. hinge seat; 63. clamping block; 64. clamping plate; 65. limiting block. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-4 As shown, a high temperature resistant circuit board for a motor comprises a mounting plate 1, wherein each of the four top corners of the mounting plate 1 is provided with a threaded hole, a fixing component 2 is fixed to the upper end of the mounting plate 1, and there are two fixing components 2 which are spaced apart from each other on the left and right sides, a heat dissipation component 3 is slidably connected to the middle part of the upper end of the mounting plate 1 through a slide groove and a slider, the heat dissipation component 3 is located between the two fixing components 2, a circuit board 4 is jointly clamped with the two fixing components 2, and the lower end of the circuit board 4 is in contact with the upper end of the heat dissipation component 3, a limiting device 6 is fixed to the front part of the upper end of the mounting plate 1, and two heat dissipation fans 5 which are spaced apart from each other on the left and right sides are fixed to the rear part of the upper end of the mounting plate 1.

[0024] The fixing assembly 2 includes a vertical plate 21, a screw rod 23 and a positioning plate 25. The side wall of the vertical plate 21 is provided with a plurality of through heat dissipation holes 24, and the plurality of heat dissipation holes 24 are arranged at intervals in front and back. A clamping plate 22 is fixed to one end of the vertical plate 21 close to the circuit board 4, and the positioning plate 25 is located above the clamping plate 22. The screw rod 23 is threadedly connected with the positioning plate 25, and the screw rod 23 extends downward through the clamping plate 22. The lower end of the screw rod 23 is rotatably connected with the upper end of the mounting plate 1 through a bearing. The screw rod 23 is rotated by tightening the knob to rotate, and the positioning plate 25 is driven to move downward. The positioning plate 25 and the clamping plate 22 clamp the edge of the circuit board 4 together to fix the position of the circuit board 4.

[0025] The heat dissipation component 3 includes a sliding plate 33, the lower end of the sliding plate 33 is slidably connected to the mounting plate 1 through a slider and a slide groove, a plurality of heat dissipation plates 32 spaced apart from each other are fixed to the upper end of the sliding plate 33, a heat absorbing plate 31 is commonly fixed to the upper ends of the plurality of heat dissipation plates 32, the upper end of the heat absorbing plate 31 is in contact with the lower end of the circuit board 4, the heat absorbing plate 31 absorbs the heat on the circuit board 4 and transfers it to the heat dissipation plate 32, and the heat dissipation on the heat dissipation plate 32 can be accelerated by starting the heat dissipation fan 5, and the sliding plate 33 can slide in the slide groove on the mounting plate 1, so as to facilitate the movement of the heat dissipation component 3;

[0026] The limiting device 6 includes a mounting block 61, which is fixed to the left side of the upper end of the mounting plate 1, and a hinge seat 62 is fixedly connected to the right end of the mounting block 61. The hinge seat 62 is rotatably connected to a clamping plate 64 through an axis, and a clamping block 63 is fixed to one end of the clamping plate 64 close to the mounting block 61, and a limiting block 65 is fixed to one end of the clamping plate 64 away from the mounting block 61. Other parts are installed on the mounting block 61 and the hinge seat 62, and the clamping plate 64 is rotatably connected to the hinge seat 62. When the clamping plate 64 is vertical, the sliding plate 33 can slide into the upper end of the mounting plate 1 from the front, and when the clamping plate 64 is horizontal, the clamping plate 64 can abut against the front end of the heat dissipation component 3 to limit the position of the heat dissipation component 3 and prevent the heat dissipation component 3 from sliding out;

[0027] The upper end of the screw rod 23 is located above the positioning plate 25, and a knob is fixed to the upper end of the screw rod 23. The screw rod 23 is located outside the circuit board 4 to prevent the screw rod 23 from affecting the circuit board 4. A knob is provided at the upper end of the screw rod 23 to facilitate the rotation of the screw rod 23.

[0028] A card slot is provided at the right end of the mounting block 61, and a limiting slot is provided at the upper end of the mounting plate 1. The limiting slot is located between the two slide slots. The card block 63 corresponds to the position of the card slot, and the limiting block 65 corresponds to the position of the limiting slot. When the card plate 64 is vertical, the card block 63 is inserted into the card slot on the mounting block 61. When the card plate 64 is horizontal, the limiting block 65 can be inserted into the limiting slot on the mounting plate 1 to limit the position of the heat dissipation component 3.

[0029] It should be noted that the utility model is a high temperature resistant circuit board for a motor. A plurality of heat dissipation components 3 are mounted on the middle part of the mounting plate 1. The card plate 64 is rotated to make the limit block 65 snap into the limit groove. The card plate 64 can limit the sliding of the heat dissipation component 3. The circuit board 4 is inserted between the clamping plate 22 and the positioning plate 25. The knob is tightened to rotate the screw rod 23, driving the positioning plate 25 to move downward. The positioning plate 25 and the clamping plate 22 clamp the circuit board 4 together to fix the position of the circuit board 4. The device is fixed in the motor through the threaded hole on the mounting plate 1. When there is too much heat in the motor, the heat absorbing plate 31 absorbs the heat on the circuit board 4 and transfers it to the heat dissipation plate 32. The heat dissipation fan 5 is started to accelerate the dissipation of the heat on the heat dissipation plate 32. The heat dissipation hole 24 can accelerate the hot air to flow out from the side. When the heat dissipation component 3 needs to be cleaned, the card plate 64 is rotated to make the block 63 snap into the card groove on the mounting block 61. At this time, the heat dissipation component 3 can be removed. The length of the slide groove is long, and multiple heat dissipation components 3 can be installed at the same time, so that the heat dissipation effect is better.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high temperature resistant circuit board for a motor, comprising a mounting plate (1), characterized in that: A threaded hole is formed at each of the four top corners of the mounting plate (1); a fixing assembly (2) is fixed to the upper end of the mounting plate (1); there are two fixing assemblies (2) arranged at intervals on the left and right; a heat dissipation assembly (3) is slidably connected to the middle of the upper end of the mounting plate (1) through a slide groove and a slider; the heat dissipation assembly (3) is located between the two fixing assemblies (2); the two fixing assemblies (2) are jointly clamped with a circuit board (4); the lower end of the circuit board (4) contacts the upper end of the heat dissipation assembly (3); a limiting device (6) is fixed to the front of the upper end of the mounting plate (1); and two heat dissipation fans (5) arranged at intervals on the left and right are fixed to the rear of the upper end of the mounting plate (1).

2. A high temperature resistant circuit board for a motor according to claim 1, characterized in that: The fixing assembly (2) comprises a vertical plate (21), a screw rod (23) and a positioning plate (25); a side wall of the vertical plate (21) is provided with a plurality of through heat dissipation holes (24); the plurality of heat dissipation holes (24) are arranged at intervals in front and back; a clamping plate (22) is fixed to one end of the vertical plate (21) close to the circuit board (4); the positioning plate (25) is located above the clamping plate (22); the screw rod (23) is threadedly connected to the positioning plate (25); the screw rod (23) penetrates the clamping plate (22) and extends downward; the lower end of the screw rod (23) is rotatably connected to the upper end of the mounting plate (1) via a bearing.

3. A high temperature resistant circuit board for a motor according to claim 2, characterized in that: The heat dissipation assembly (3) comprises a sliding plate (33), the lower end of the sliding plate (33) is slidably connected to the mounting plate (1) via a slider and a slide groove, a plurality of heat dissipation plates (32) spaced apart from each other are fixed to the upper end of the sliding plate (33), a heat absorption plate (31) is commonly fixed to the upper ends of the plurality of heat dissipation plates (32), and the upper end of the heat absorption plate (31) is in contact with the lower end of the circuit board (4).

4. A high temperature resistant circuit board for a motor according to claim 3, characterized in that: The limiting device (6) comprises a mounting block (61), wherein the mounting block (61) is fixed to the left side of the upper end of the mounting plate (1), and the right end of the mounting block (61) is fixedly connected to a hinge seat (62), and the hinge seat (62) is rotatably connected to a clamping plate (64) via an axis, and a clamping block (63) is fixed to one end of the clamping plate (64) close to the mounting block (61), and a limiting block (65) is fixed to one end of the clamping plate (64) away from the mounting block (61).

5. A high temperature resistant circuit board for a motor according to claim 4, characterized in that: The upper end of the screw rod (23) is located above the positioning plate (25), a knob is fixed to the upper end of the screw rod (23), and the screw rod (23) is located outside the circuit board (4).

6. A high temperature resistant circuit board for a motor according to claim 5, characterized in that: The right end of the mounting block (61) is provided with a slot, the upper end of the mounting plate (1) is provided with a limit slot, the limit slot is located between the two slide slots, the position of the mounting block (63) corresponds to the slot, and the position of the limit block (65) corresponds to the position of the limit slot.

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