Circulating and efficient heat dissipation waterproof and dustproof driving motor

Abstract

The utility model relates to the technical field of motor products, in particular to a circulating, efficient-heat-dissipation, waterproof and dustproof driving motor, which comprises a motor shell, a rotor assembly, a stator assembly, a main shaft and a turbine, the rotor assembly and the stator assembly are arranged in the motor shell, the main shaft is rotatably arranged in the motor shell, and the turbine is arranged on the main shaft; the motor shell is provided with a suction hole and an exhaust hole which are communicated with the interior of the motor shell, the left side and the right side of the turbine are provided with a first blade and a second blade respectively, the turbine is further provided with an air passing hole, the first blade and the second blade are opposite in direction, the first blade and the suction hole are located on the same side, and the second blade and the exhaust hole are located on the same side. When the main shaft rotates, the turbine can be driven to rotate, when the blades I on the turbine rotate, negative pressure can be generated in the right side cavity in the motor shell, external cold air enters through the air suction holes, and the air is blown to the stator assembly by the blades II through the air passing holes to take away heat and then is exhausted through the exhaust holes, so that the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of motor products, and in particular relates to a driving motor with cyclic high-efficiency heat dissipation, waterproofness and dustproofness. Background Art

[0002] Motors are one of the most commonly used components in industry, and overheating is a common problem. This problem arises from the conversion of energy loss during operation into internal heat. The insulation material of the stator windings is the least heat-resistant component in a motor. When the motor temperature exceeds the maximum allowable temperature of the insulation material, it ages and becomes brittle, shortening the motor's lifespan. In severe cases, the insulation material can carbonize and deteriorate, resulting in a loss of insulation performance and the motor burning out.

[0003] Air cooling is a common method of heat dissipation for motors. This method uses heat sinks on the surface of the drive motor to dissipate the generated heat into the surrounding air, using the flow of air to reduce the motor's temperature. Air cooling is simple to design and low-cost, making it suitable for some low-power, low-load drive motors. However, with technological advancements and rising demand, motors are moving towards higher power density, lower cost, and higher efficiency. This results in high output torque and heavy loads in the motor, which in turn causes high currents in its internal windings, generating a large amount of heat during operation. If not managed, the accumulated heat can cause the motor to overheat, affecting its performance and lifespan. In addition, the motor's dust and water resistance rating is also very important, so a motor heat dissipation structure with low cost, good heat dissipation, and outstanding dust and water resistance is extremely necessary. Utility Model Content

[0004] Purpose of the utility model: The technical problem to be solved by the utility model is to provide a driving motor with efficient circulation heat dissipation, waterproof and dustproof in response to the defects of the existing technology. The motor has a simple structure, high heat dissipation efficiency, low manufacturing cost and good waterproof and dustproof effect.

[0005] Technical solution: In order to achieve the above-mentioned purpose, the utility model provides a driving motor with high-efficiency circulation heat dissipation, waterproof and dustproof, including a motor housing, a rotor assembly, a stator assembly, a main shaft and a turbine. The rotor assembly and the stator assembly are installed in the motor housing, the main shaft is rotatably installed in the motor housing, and the turbine is arranged on the main shaft;

[0006] The motor housing is provided with an intake hole and an exhaust hole, both of which communicate with the interior of the motor housing. Blades 1 and 2 are respectively provided on the left and right sides of the turbine. The turbine is also provided with an air hole, with blade 1 and blade 2 oriented in opposite directions. Blade 1 and blade 2 are located on the same side as the intake hole, and blade 2 is located on the same side as the exhaust hole. Rotation of the main shaft drives the turbine. Rotation of blade 1 on the turbine creates negative pressure in the right cavity of the motor housing. Cool air from the outside enters through the intake hole, passes through the air hole, is blown by blade 2 to the stator assembly, removes heat, and is then discharged through the exhaust hole.

[0007] Furthermore, the intake and exhaust holes have the same structure, comprising two shaped holes on either side and a central radial hole. The shaped holes communicate with the radial holes and have an upwardly convex arc structure with a smaller cross-sectional diameter than the central radial hole. The shaped holes are in direct contact with the outside world, and their shape effectively prevents water and dust from entering the motor.

[0008] Furthermore, a heat-conducting sleeve is provided on the housing of the stator assembly. The stator assembly is interference-fitted with the motor housing, the rotor assembly is interference-fitted with the main shaft, and the main shaft is fixedly connected to the turbine by interference. Heat generated by the stator assembly is transferred to the heat-conducting sleeve and then carried away by air for cooling.

[0009] Furthermore, the motor housing includes a motor end cover, a first motor driver end cover, and a second motor driver end cover. The motor end cover and the second motor driver end cover are mounted on either side of the motor housing and are provided with a sealing gasket between the motor housing. The first motor driver end cover is mounted on the second motor driver end cover with a sealing gasket therebetween. The second motor driver end cover and the first motor driver end cover form a cavity, within which the motor driver assembly is located. Sealing gaskets are provided at the mounting locations of the motor end cover, the first motor driver end cover, and the second motor driver end cover, thereby forming a relatively enclosed space within the motor. This prevents water and dust from entering while also preventing interference with the wind path structure formed by the turbine within the motor.

[0010] Furthermore, the motor end cover and the motor driver end cover 2 are respectively provided with a first bearing and a second bearing, and the main shaft rotates between the first bearing and the second bearing.

[0011] Furthermore, fin 1 is provided on the inner side of the motor housing, evenly arranged throughout the entire circle. The inner diameter of fin 1 is larger than the inner diameter of the contact surface between the motor housing and the stator assembly housing. A transitional smooth surface is provided in the axial direction between the contact surface between fin 1 and the stator assembly housing. The radial hole of the exhaust port passes through the axial middle position of fin 1. Fin 1 is closely adjacent to the stator assembly, and the exhaust port directly passes through fin 1, allowing for effective heat dissipation.

[0012] Furthermore, the motor driver end cover 2 is provided with a fin 2, which is arranged on the back of the motor driver assembly. The heat generated by the motor driver assembly is conducted away through the fin 2, and the heat is dissipated out of the motor through the circulating air intake and exhaust system.

[0013] Furthermore, the motor housing further comprises a motor bracket, which is arranged outside the motor housing. The motor as a whole is fixedly installed through the motor bracket and the installation position.

[0014] It can be seen from the above technical solution that compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model provides a drive motor with efficient circulation and heat dissipation, and is waterproof and dustproof. It has a simple structure and high heat dissipation efficiency. Efficient air intake and exhaust are achieved through two-stage blades arranged in opposite directions on the turbine. A heat-conducting sleeve is provided on the outside of the stator assembly, in direct contact with the inner wall of the motor housing. A full circle of heat-dissipating fins (1) is arranged axially at short intervals on the heat-conducting sleeve, and exhaust holes directly pass through the heat-dissipating fins (1), allowing heat to be effectively discharged.

[0016] 2. The present invention also has the advantage of low manufacturing and use costs. The turbine is directly fixed on the main shaft, requiring no additional drive, and the turbine can be made of injection molded parts, which greatly reduces costs. In addition, the motor drive assembly does not require separate heat dissipation. Heat is conducted away through fin 2 and dissipated out of the motor through a circulating intake and exhaust system.

[0017] 3. In addition, it has good waterproof and dustproof effects. Sealing gaskets are set at the installation positions of the motor end cover, motor driver end cover 1 and motor driver end cover 2. The exhaust holes and air intake holes on the motor casing exchange gas with the outside world through a large number of special-shaped holes, which can effectively prevent the entry of water and dust. Moreover, these holes are all smooth transition structures, with low wind resistance and high overall circulation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of a drive motor with high-efficiency heat dissipation, waterproof and dustproof according to the utility model.

[0019] Figure 2 This is a schematic structural diagram of the turbine described in the present utility model;

[0020] Figure 3 This is a schematic structural diagram of the motor housing according to the present invention;

[0021] Figure 4 This is a structural diagram of the motor driver end cover 2 of the utility model;

[0022] Figure 5This is an appearance diagram of a drive motor with high-efficiency circulating heat dissipation, waterproof and dustproof according to the utility model.

[0023] In the figure: 1-motor housing, 11-intake hole, 111-special-shaped hole, 112-radial hole, 12-exhaust hole, 13-fin one, 2-rotor assembly, 3-stator assembly, 4-main shaft, 5-turbine, 51-blade one, 52-blade two, 6-motor end cover, 61-bearing one, 7-motor driver end cover one, 8-motor driver end cover two, 81-bearing two, 82-fin two, 9-motor driver assembly, 10-motor bracket. DETAILED DESCRIPTION

[0024] It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] Example 1:

[0026] like Figure 1 As shown, a drive motor with high-efficiency circulation heat dissipation, waterproof and dustproof, includes a motor housing 1, a rotor assembly 2, a stator assembly 3, a main shaft 4 and a turbine 5. The rotor assembly 2 and the stator assembly 3 are installed in the motor housing 1, the main shaft 4 is rotatably installed in the motor housing 1, and the turbine 5 is provided on the main shaft 4;

[0027] The motor housing 1 is provided with an intake hole 11 and an exhaust hole 12, both of which communicate with the interior of the motor housing 1. Blade 1 51 and blade 2 52 are provided on the left and right sides of the turbine 5, respectively. The turbine 5 is also provided with an air hole, with blade 1 51 and blade 2 52 oriented in opposite directions. Blade 1 51 and blade 2 52 are located on the same side as the intake hole 11, and blade 2 52 and exhaust hole 12 are located on the same side. In this embodiment, the motor housing 1 can be manufactured entirely using additive manufacturing, or the exhaust holes 12 and 11 can be partially manufactured using additive manufacturing and then fixed to the motor housing 1 by welding or assembly. The intake holes 11 and exhaust holes 12 can also be arranged in a complete circle, and their structure and aperture size can also be adjusted.

[0028] like Figure 3 As shown, the intake hole 11 and the exhaust hole 12 have the same structure. The intake hole 11 includes two shaped holes 111 on both sides and a radial hole 112 in the middle. The shaped holes 111 are connected to the radial holes 112. The shaped holes 111 have an upwardly convex arc structure and a smaller cross-sectional diameter than the radial hole 112 in the middle. In addition, to further prevent dust, a dust cover can be installed at the position of the intake hole 11 to further filter out dust in the air. The exhaust hole is at positive pressure and can be installed as needed.

[0029] The stator assembly 3 is provided with a heat-conducting sleeve on its outer shell. The stator assembly 3 forms an interference fit with the motor housing 1, while the rotor assembly 2 forms an interference fit with the main shaft 4. The main shaft 4 is securely connected to the turbine 5 through an interference fit. The heat-conducting sleeve transfers some of the heat from the stator assembly to the motor housing 1 for direct heat exchange with the outside world, while the remaining heat is carried away by the cool air inside and discharged through the exhaust port.

[0030] In addition, Figure 1 and Figure 4 As shown, it also includes a motor end cover 6, a motor driver end cover 1 7 and a motor driver end cover 2 8. The motor end cover 6 and the motor driver end cover 2 8 are arranged on both sides of the motor housing 1 and a sealing gasket is provided between them. The motor driver end cover 1 7 is arranged on the motor driver end cover 2 8 and a sealing gasket is provided between the two. The motor driver end cover 2 8 and the motor driver end cover 1 7 form a cavity, and a motor driver assembly 9 is provided in the cavity.

[0031] Please continue to refer to Figure 1 The motor end cover 6 and the motor driver end cover 2 8 are respectively provided with a bearing 1 61 and a bearing 2 81, and the main shaft 4 is rotatably arranged between the bearing 1 61 and the bearing 2 81. For better dust and water resistance, the installation position of the bearing 1 61 and the position where the bearing 1 61 and the main shaft 4 are matched can also be treated with waterproof and dustproof treatment.

[0032] Example 2:

[0033] Based on Example 1, this embodiment features fins 13 on the inner side of the motor housing 1. These fins 13 are evenly spaced throughout the entire circle. The inner diameter of these fins 13 is larger than the inner diameter of the contact surface between the motor housing 1 and the stator assembly 3. A transitional smooth surface is provided in the axial direction between these contact surfaces. The radial holes 112 of the exhaust holes 12 pass through the axial center of the fins 13. Turbine 5 draws in cool air through blades 2 52 toward the stator assembly 3. The heat-exchanged air then passes through fins 13 and is discharged directly from the exhaust holes 12, effectively dissipating heat and improving heat dissipation efficiency.

[0034] like Figure 4 As shown, the motor driver end cover 8 is provided with a second fin 82, which is arranged on the back of the motor driver assembly 9. The motor driver assembly 9 is on the back of the second fin 82. The heat generated by the motor driver assembly 9 during operation is conducted through the second fin 82 and discharged through the exhaust hole 12, eliminating the need for a separate cooling element, thereby saving manufacturing and operating costs.

[0035] like Figure 1 、 Figure 5 As shown, the motor housing 1 further includes a motor bracket 10 , which is arranged on the outside of the motor housing 1 .

[0036] This utility model proposes a drive motor structure that features efficient heat dissipation, waterproofing, and dustproofing. This structure not only offers high heat dissipation efficiency, making it suitable for motors with higher power densities, but also offers excellent waterproofing and dustproofing, extending the motor's service life. By meeting these two requirements, the motor provided by this utility model reduces manufacturing, operating, and maintenance costs, resulting in considerable economic benefits.

[0037] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements can be made without departing from the principles of the present invention. These improvements should also be regarded as within the scope of protection of the present invention.

Claims

1. A driving motor with high-efficiency heat dissipation, waterproof and dustproof, characterized in that: The invention comprises a motor housing (1), a rotor assembly (2), a stator assembly (3), a main shaft (4) and a turbine (5), wherein the rotor assembly (2) and the stator assembly (3) are mounted in the motor housing (1), the main shaft (4) is rotatably mounted in the motor housing (1), and the turbine (5) is arranged on the main shaft (4); The motor housing (1) is provided with an air intake hole (11) and an air exhaust hole (12), and the air intake hole (11) and the air exhaust hole (12) are both communicated with the interior of the motor housing (1). The left and right sides of the turbine (5) are respectively provided with a blade 1 (51) and a blade 2 (52). The turbine (5) is also provided with an air hole, and the directions of the blade 1 (51) and the blade 2 (52) are opposite. The blade 1 (51) and the air intake hole (11) are located on the same side, and the blade 2 (52) and the air exhaust hole (12) are located on the same side.

2. A driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 1, characterized in that: The air intake hole (11) and the air exhaust hole (12) have the same structure. The air intake hole (11) comprises special-shaped holes (111) on both sides and a radial hole (112) in the middle. The special-shaped holes (111) are connected to the radial holes (112). The special-shaped holes (111) are in an upward convex arc structure and have a smaller cross-sectional diameter than the radial hole (112) in the middle.

3. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 2, characterized in that: A heat-conducting sleeve is provided on the outer shell of the stator assembly (3); the stator assembly (3) and the motor outer shell (1) are interference-fitted; the rotor assembly (2) and the main shaft (4) are interference-fitted; and the main shaft (4) and the turbine (5) are interference-fixedly connected.

4. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 3, characterized in that: The motor drive end cover (6) and the motor drive end cover (7) are provided on both sides of the motor housing (1) and a sealing gasket is provided between the motor housing (1). The motor drive end cover (7) is provided on the motor drive end cover (8) and a sealing gasket is provided between the motor drive end cover (8). The motor drive end cover (8) and the motor drive end cover (7) form a cavity, and a motor drive assembly (9) is provided in the cavity.

5. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 4, characterized in that: The motor end cover (6) and the motor driver end cover (8) are respectively provided with a first bearing (61) and a second bearing (81), and the main shaft (4) is rotatably arranged between the first bearing (61) and the second bearing (81).

6. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 5, characterized in that: The inner side of the motor housing (1) is provided with a fin 1 (13), and the fin 1 (13) is evenly arranged in a whole circle. The inner diameter of the fin 1 (13) is larger than the inner diameter of the contact surface between the motor housing (1) and the stator assembly (3) housing. The contact surface between the fin 1 (13) and the stator assembly (3) housing is provided with a transition smooth surface in the axial direction, and the radial hole (112) of the exhaust hole (12) passes through the axial middle position of the fin 1 (13).

7. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 6, characterized in that: The motor driver end cover 2 (8) is provided with a fin 2 (82), and the fin 2 (82) is arranged on the back of the motor driver assembly (9).

8. The driving motor with high-efficiency heat dissipation, waterproof and dustproof according to claim 1, characterized in that: It also includes a motor bracket (10), which is arranged on the outside of the motor housing (1).

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