Driving motor of integrated circuit board

Abstract

The utility model discloses a driving motor of an integrated circuit board, which comprises a motor shell, a stator element and a rotor element are arranged in the motor shell, the rotor element is in transmission connection with heat dissipation fan blades, a circuit board is arranged on the outer side of the motor shell, a boss is arranged on the outer wall of one side of the motor shell, one end face of the circuit board is attached to the surface of the boss, and the other end face of the circuit board is attached to the surface of the boss. The circuit board is detachably connected with the motor shell; a heat dissipation flow channel is formed between the circuit board and the motor shell, the motor shell is provided with an air inlet and an air outlet, and the air outlet is communicated with the heat dissipation flow channel. And the circuit board arranged on the outer side of the motor shell can reduce the influence of heat on the circuit board. Meanwhile, when the rotor element drives the heat dissipation fan blades to operate, the heat dissipation fan blades can drive external air to enter the motor shell from the air inlet, in the process, air flow can take away heat of the motor shell, then the air is output to the heat dissipation flow channel from the air outlet, and when the air circulates to the heat dissipation flow channel, heat of the motor shell is dissipated. And the air can take away heat dissipated by the circuit board, so that dual heat dissipation of the interior of the motor and the circuit board is realized.

Description

Technical Field

[0001] The utility model relates to a driving motor for an integrated circuit board. Background Art

[0002] Prior art, such as the Chinese invention patent application document, publication number CN115811163A, discloses a brushless DC motor, which belongs to the field of motors and solves the problem that the heat dissipation effect is difficult to improve in the prior art. The technical solution to this problem mainly includes a housing, an end cover, a stator assembly, a rotor assembly and a circuit board. The end cover is fixedly connected to the rear end of the housing, the stator assembly is fixed to the inner wall of the housing and is sleeved on the outer periphery of the rotor assembly, and the circuit board is fixed in the housing.

[0003] Based on the above, in the prior art, the circuit board is arranged in the housing of the motor, and the technical problem to be solved is the integration of the circuit board and the motor, so that the installation position of the circuit board can be adjusted, thereby reducing the volume of the product. Although this structure can solve the technical problem of reducing the volume, it has the problem of poor heat dissipation effect of the circuit board. When the motor is running, heat will be generated inside the housing, and the heat will affect the various components of the circuit board, and even cause overheating and damage of the components, which needs further improvement. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a driving motor with a heat dissipation channel and an integrated circuit board.

[0005] A driving motor for an integrated circuit board designed for this purpose comprises a motor housing, wherein a stator element and a rotor element are arranged in the motor housing, wherein the rotor element is drivingly connected to a heat dissipation fan blade, a circuit board is arranged on the outer side of the motor housing, a boss is arranged on one side outer wall of the motor housing, an end face of the circuit board is in contact with the surface of the boss, and the circuit board is detachably connected to the motor housing;

[0006] A heat dissipation channel is formed between the circuit board and the motor housing. An air inlet and an air outlet are provided on the motor housing. The air outlet is communicated with the heat dissipation channel.

[0007] Preferably, the motor housing comprises an upper housing and a lower housing assembled with each other, the circuit board is arranged above the upper housing, and the boss is arranged on the upper end surface of the upper housing;

[0008] The heat dissipation channel is located between the upper end surface of the upper shell and the circuit board;

[0009] The air outlet is arranged on the upper end surface of the upper shell.

[0010] Preferably, the air inlet is arranged on the lower side wall of the lower shell;

[0011] The heat dissipation fan blades are located at the inner lower part of the lower shell.

[0012] Preferably, the stator element and the rotor element are arranged above the heat dissipation blades.

[0013] Preferably, the rotor element is connected to a rotating shaft, and the heat dissipation fan blades are connected to the rotating shaft.

[0014] Preferably, the circuit board is fixedly mounted on the motor housing by using fixing bolts.

[0015] Compared with the prior art, the utility model is provided with a circuit board outside the motor housing, which can reduce the influence of heat on the circuit board. At the same time, when the rotor element drives the heat dissipation fan blades to operate, the heat dissipation fan blades can drive the external air to enter the motor housing from the air inlet. In this process, the air flow can take away the heat of the motor housing, and then the air is output from the air outlet to the heat dissipation channel. When the air flows to the heat dissipation channel, the air can take away the heat emitted by the circuit board, so as to achieve dual heat dissipation of the motor and the circuit board. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the exploded structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the planar structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the three-dimensional structure of the upper shell of the utility model. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] See also Figure 1-Figure 5 , a driving motor of an integrated circuit board, comprising a motor housing 10, wherein a stator element 30 and a rotor element 40 are arranged in the motor housing 10, wherein the rotor element 40 is drivingly connected with a heat dissipation fan blade 50, wherein a circuit board 20 is arranged on the outer side of the motor housing 10, wherein a boss 100 is arranged on one side outer wall of the motor housing 10, wherein one end surface of the circuit board 20 is in contact with the surface of the boss 100, and the circuit board 20 is detachably connected to the motor housing 10;

[0023] A heat dissipation channel 101 is formed between the circuit board 20 and the motor housing 10 . An air inlet 121 and an air outlet 111 are provided on the motor housing 10 . The air outlet 111 is communicated with the heat dissipation channel 101 .

[0024] Based on the above embodiment, the circuit board arranged outside the motor housing can reduce the influence of the motor heat on the circuit board. The boss 100 is arranged to achieve the support of the circuit board 20, and the boss 100 acts as a fulcrum.

[0025] When the rotor element drives the cooling fan blades to run, the cooling fan blades can drive external air into the motor housing from the air inlet. In this process, the air flow can take away the heat of the motor housing, and then the air is output from the air outlet to the cooling channel. When the air flows to the cooling channel, the air can take away the heat emitted by the circuit board, so as to achieve dual heat dissipation of the motor and the circuit board.

[0026] See also Figure 4 The motor housing 10 includes an upper housing 110 and a lower housing 120 which are assembled with each other, the circuit board 20 is arranged above the upper housing 110, and the boss 100 is arranged on the upper end surface of the upper housing 110;

[0027] The heat dissipation channel 101 is located between the upper end surface of the upper housing 110 and the circuit board 20;

[0028] The air outlet 111 is disposed on the upper end surface of the upper housing 110 .

[0029] See also Figure 2 The air inlet 121 is arranged on the lower side wall of the lower housing 120; the heat dissipation blades 50 are located at the inner lower part of the lower housing 120. The stator element 30 and the rotor element 40 are arranged above the heat dissipation blades 50. This arrangement allows the external air to first pass through the stator element 30 and the rotor element 40 when input from the air inlet 121, and then flow upward to the air outlet 111. In this process, the air flow can take away the heat generated by the stator element 30 and the rotor element 40.

[0030] See also Figure 2 The lower end of the upper shell 110 is opened, and the upper end of the lower shell 120 is opened. Further, the upper shell 110 and the lower shell 120 are fixedly connected by bolts.

[0031] See also Figure 2 The rotor element 40 is connected to a rotating shaft 60 , and the heat dissipation fan blades 50 are connected to the rotating shaft 60 .

[0032] See also Figure 1 and Figure 3 The circuit board 20 is fixedly mounted on the motor housing 10 by using fixing bolts 200 .

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. The terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0035] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A driving motor for an integrated circuit board, comprising a motor housing (10), wherein a stator element (30) and a rotor element (40) are arranged in the motor housing (10), and the rotor element (40) is drivingly connected to a heat dissipation fan blade (50), characterized in that: A circuit board (20) is arranged on the outside of the motor housing (10), a boss (100) is arranged on one side outer wall of the motor housing (10), one end surface of the circuit board (20) is in contact with the surface of the boss (100), and the circuit board (20) is detachably connected to the motor housing (10); A heat dissipation channel (101) is formed between the circuit board (20) and the motor housing (10); an air inlet (121) and an air outlet (111) are provided on the motor housing (10); the air outlet (111) and the heat dissipation channel (101) are in communication with each other.

2. The driving motor of an integrated circuit board according to claim 1, characterized in that: The motor housing (10) comprises an upper housing (110) and a lower housing (120) which are assembled with each other, the circuit board (20) is arranged above the upper housing (110), and the boss (100) is arranged on the upper end surface of the upper housing (110); The heat dissipation channel (101) is located between the upper end surface of the upper housing (110) and the circuit board (20); The air outlet (111) is arranged on the upper end surface of the upper shell (110).

3. The driving motor of an integrated circuit board according to claim 2, characterized in that: The air inlet (121) is arranged on the lower side wall of the lower shell (120); The heat dissipation fan blades (50) are located at the inner lower part of the lower housing (120).

4. The driving motor of an integrated circuit board according to claim 3, characterized in that: The stator element (30) and the rotor element (40) are arranged above the heat dissipation blades (50).

5. A driving motor for an integrated circuit board according to any one of claims 1 to 4, characterized in that: The rotor element (40) is connected to a rotating shaft (60), and the heat dissipation blades (50) are connected to the rotating shaft (60).

6. A driving motor for an integrated circuit board according to any one of claims 1 to 4, characterized in that: The circuit board (20) is fixedly mounted on the motor housing (10) by means of fixing bolts (200).

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