High-efficiency heat dissipation motor structure

Abstract

The utility model discloses an efficient heat dissipation motor structure comprising a casing, one side of the casing is fixedly provided with a rear end cover, the other side of the casing is fixedly provided with a front end cover, and the rear end cover is provided with a ventilation opening; the rotor is arranged in the machine shell; and the stator is arranged in the casing and sleeves the outer side of the rotor. Compared with the prior art, through the arrangement of the phase change heat dissipation mechanism and the utilization of the extremely high latent heat absorption capability of the phase change material, a large amount of heat can be absorbed under the condition that the temperature is basically kept unchanged, so that the heat dissipation efficiency of the motor is remarkably improved, uniform heat dissipation can be realized, the local overheating phenomenon is avoided, and the service life of the motor is prolonged. The phase-change material can quickly absorb transient thermal shock when the motor is overloaded, so that temperature surge caused by thermal inertia in a traditional heat dissipation mode is avoided, and the overload resistance of the motor is improved; through the arranged anti-blocking mechanism, the function of automatically cleaning the ventilation opening of the rear end cover is achieved, the ventilation opening is prevented from being blocked by impurities such as dust and batting, and it is ensured that the fan can dissipate heat efficiently.

Description

Technical Field

[0001] This utility model relates to the field of motor heat dissipation technology, and in particular to a motor structure with high-efficiency heat dissipation. Background Technology

[0002] An electric motor, also known as a motor, is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Its main function is to provide a power source for electrical appliances or various mechanical equipment by generating driving torque. As the core component of energy conversion, the temperature rise of the electric motor directly affects its working efficiency and service life.

[0003] Chinese patent CN221058112U discloses a high-efficiency heat dissipation motor, including a motor body, an end cover fitted at one end of the motor body, the end cover being detachably connected to the motor body by screws, a rear cover being fitted at the other end of the motor body by screws, a rotating shaft being fixed to the output end of the motor body by a coupling, a connecting shaft being provided at one end of the rotating shaft, a high-efficiency heat dissipation mechanism being provided on the surface of the motor body, the high-efficiency heat dissipation mechanism being composed of heat dissipation fins and high-efficiency heat dissipation components, the connecting shaft being positioned and connected to the rotating shaft by a positioning connection mechanism being composed of positioning components and mounting holes, and a support mechanism being provided on the surface of the rotating shaft, the support mechanism being composed of support components and annular grooves.

[0004] As with the aforementioned motors, existing technologies typically employ natural convection or air cooling for heat dissipation. However, these traditional cooling methods are insufficient to meet the heat dissipation requirements of high-power motors, especially when the motor generates significant heat during overload operation, resulting in low cooling efficiency. Furthermore, natural convection and air cooling methods exhibit substantial unevenness in temperature distribution within the motor, easily leading to localized overheating, which in turn affects the motor's performance and lifespan. Utility Model Content

[0005] The main objective of this invention is to propose a motor structure with high-efficiency heat dissipation, which can effectively solve the problems in the background art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is: a high-efficiency heat dissipation motor structure, comprising:

[0007] The housing has a rear end cover fixedly provided on one side and a front end cover fixedly provided on the other side, and the rear end cover has a ventilation opening;

[0008] Rotor, the rotor being disposed within a housing;

[0009] The stator is disposed inside the housing and sleeved on the outside of the rotor;

[0010] A fan, which is fixedly mounted on one of the shafts of the rotor;

[0011] A phase change heat dissipation mechanism is installed on the housing and is used to dissipate heat from the motor during operation.

[0012] An anti-blocking mechanism is provided on the rear end cover and is used to clean the ventilation opening.

[0013] As a further description of the above technical solution, the phase change heat dissipation mechanism includes a heat exchange ring, which is disposed on the inner wall of the housing. The inner side of the heat exchange ring is tightly fitted with the outer surface of the stator. An annular phase change shell is fixedly connected to the outer wall of the housing. The annular phase change shell contains a phase change material. Multiple sets of heat-conducting pillars are arranged around the outer wall of the heat exchange ring. Each set of heat-conducting pillars has a minimum of five pillars. The other end of each heat-conducting pillar extends into the interior of the annular phase change shell and is fixedly connected to a heat dissipation fin. The heat dissipation fin is fixedly embedded in the heat exchange ring.

[0014] As a further description of the above technical solution, the anti-blocking mechanism includes a connecting shaft, which is rotatably inserted into the center of the side wall of the rear end cover away from the housing. One end of the connecting shaft is fixed to the shaft of the rotor, and the other end is fixedly connected to a mounting base. A brush rod is rotatably mounted on the mounting base. A bevel gear ring is fixedly connected to the outer wall of the rear end cover away from the housing, and the other end of the brush rod is fixedly connected to a bevel gear that meshes with the bevel gear ring.

[0015] As a further description of the above technical solution, the heat exchange ring is made of aluminum nitride.

[0016] As a further description of the above technical solution, the heat-conducting pillar is made of a material with good thermal conductivity.

[0017] As a further description of the above technical solution, the phase change material is a mixture of paraffin wax and metal powder.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. By using the phase change heat dissipation mechanism, the phase change material has a very high latent heat absorption capacity, which can absorb a large amount of heat while keeping the temperature basically constant, thereby significantly improving the heat dissipation efficiency of the motor. Moreover, it can dissipate heat evenly and avoid local overheating. When the motor is overloaded, the phase change material can quickly absorb transient thermal shocks, avoiding the temperature surge caused by thermal inertia in traditional heat dissipation methods, and improving the motor's overload resistance.

[0020] 2. The anti-clogging mechanism enables automatic cleaning of the rear cover vents, preventing dust, lint, and other debris from clogging the vents and ensuring efficient heat dissipation by the fan. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a high-efficiency heat dissipation motor structure according to the present invention.

[0022] Figure 2 This is a cross-sectional view of the housing of a motor structure for high-efficiency heat dissipation according to the present invention;

[0023] Figure 3 This is a schematic diagram of the anti-blocking mechanism of a high-efficiency heat dissipation motor structure according to the present invention;

[0024] In the diagram: 1. Housing; 11. Rear end cover; 12. Front end cover; 111. Vent; 2. Rotor; 3. Stator; 4. Fan; 5. Phase change heat dissipation mechanism; 6. Anti-blocking mechanism; 51. Heat exchange ring; 52. Annular phase change shell; 53. Heat conduction column; 54. Heat dissipation fins; 61. Connecting shaft; 62. Mounting base; 63. Brush rod; 64. Bevel gear ring; 65. Bevel gear. Detailed Implementation

[0025] To make the technical means, creative features, and objectives of this utility model easier to understand, the following describes this utility model in conjunction with specific embodiments.

[0026] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0028] Please see Figure 1-3 This utility model provides a high-efficiency heat dissipation motor structure, comprising:

[0029] The housing 1 has a rear end cover 11 fixed on one side and a front end cover 12 fixed on the other side. The rear end cover 11 has a vent 111.

[0030] Rotor 2, rotor 2 is installed inside housing 1;

[0031] Stator 3 is disposed inside the housing 1 and sleeved on the outside of the rotor 2;

[0032] Fan 4 is fixedly mounted on one of the shafts of rotor 2;

[0033] Phase change heat dissipation mechanism 5 is installed on the housing 1 and is used to dissipate heat from the motor during operation.

[0034] Anti-blocking mechanism 6 is installed on the rear cover 11 and is used to clean the ventilation opening 111.

[0035] With the above structure, the phase change heat dissipation mechanism 5 achieves efficient heat dissipation of the motor and more uniform heat dissipation. It can quickly absorb heat when the motor is overloaded, improve the motor's overload resistance, and, together with the air cooling of the fan 4, further improve the heat dissipation effect of the motor. It can also automatically clean the ventilation openings 111 on the rear cover 11.

[0036] The phase change heat dissipation mechanism 5 includes a heat exchange ring 51, which is disposed on the inner wall of the housing 1. The inner side of the heat exchange ring 51 is tightly fitted to the outer surface of the stator 3. An annular phase change shell 52 is fixedly connected to the outer wall of the housing 1. The annular phase change shell 52 contains a phase change material. Multiple sets of heat conduction pillars 53 are arranged around the outer wall of the heat exchange ring 51. Each set of heat conduction pillars 53 has a minimum of five pillars. The other end of the heat conduction pillars 53 extends into the interior of the annular phase change shell 52 and is fixedly connected to a heat dissipation fin 54. The heat dissipation fin 54 is fixedly embedded in the heat exchange ring 51.

[0037] By utilizing the above structure, the phase change material has a very high latent heat absorption capacity, which can absorb a large amount of heat while keeping the temperature basically constant, thereby significantly improving the heat dissipation efficiency of the motor. The uniform distribution of the phase change material, combined with the heat-conducting column, enables the phase change material to absorb heat evenly, avoiding local overheating. The heat-conducting column 53 can conduct heat to both the phase change material and the heat dissipation fins 54 at the same time, forming a dual heat dissipation path, which significantly improves the heat dissipation efficiency.

[0038] The anti-blocking mechanism 6 includes a connecting shaft 61, which is rotatably inserted into the center of the side wall of the rear end cover 11 away from the housing 1. One end of the connecting shaft 61 is fixed to the shaft of the rotor 2, and the other end is fixedly connected to a mounting base 62. A brush rod 63 is rotatably mounted on the mounting base 62. A bevel gear ring 64 is fixedly connected to the outer wall of the rear end cover 11 away from the housing 1. The other end of the brush rod 63 is fixedly connected to a bevel gear 65 that meshes with the bevel gear ring 64.

[0039] With the above structure, the ventilation openings 111 on the rear cover 11 can be automatically cleaned when the motor is running, avoiding the blockage of the ventilation openings by dust, lint and other debris, and ensuring that the fan 4 can dissipate heat efficiently.

[0040] The heat exchange ring 51 is made of aluminum nitride.

[0041] By using the above structure, the high thermal conductivity of aluminum nitride can be used to quickly exchange heat inside the motor, and aluminum nitride is an insulating material that will not affect the operation of the motor.

[0042] Among them, the heat-conducting pillar 53 is made of a material with good thermal conductivity.

[0043] The above structure enables the heat-conducting pillar 53 to quickly transfer the heat from the heat exchange ring 51 to the phase change material and the heat dissipation fins 54.

[0044] The phase change material is a mixture of paraffin wax and metal powder.

[0045] With the above-mentioned structure, the phase change temperature of paraffin can cover most motor temperature rise ranges, and it has the characteristics of high latent heat and low cost. Mixing metal powder into paraffin can improve its thermal conductivity and make the phase change material heat up more evenly.

[0046] It should be noted that this utility model is a high-efficiency heat dissipation motor structure. When the motor is running, the heat generated inside it will be conducted to the heat exchange ring 51, and then transferred to the annular phase change shell 52 through several heat conduction columns 53. The phase change material absorbs the heat and dissipates the heat to the outside through the heat dissipation fins 54. While the rotor 2 is rotating, its shaft will drive the connecting shaft 61 to rotate. The rotation of the connecting shaft 61 can drive the mounting base 62 to rotate. The rotation of the mounting base 62 drives the brush rod 63 to rotate, so that the brush rod 63 revolves with the connecting shaft 61. Under the action of the bevel gear ring 64, while the brush rod 63 revolves, the bevel gear 65 will drive it to rotate, completing the cleaning of the ventilation port 111, preventing dust, lint and other impurities from clogging the ventilation port 111, and maintaining the heat dissipation effect of the fan 4.

[0047] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency heat-dissipating motor structure, characterized in that, Include: The shell (1), one side of the shell (1) is fixed with rear end cover (11) and the other side is fixed with front end cover (12), the rear end cover (11) has vent (111); Rotor (2), the rotor (2) is arranged in the shell (1); Stator (3), the stator (3) is arranged in the shell (1) and is sleeved on the outer side of the rotor (2); Fan (4), the fan (4) is fixedly sleeved on one of the shafts of the rotor (2); Phase change heat dissipation mechanism (5), the phase change heat dissipation mechanism (5) is arranged on the shell (1), and the phase change heat dissipation mechanism (5) is used for heat dissipation when the motor operates; Anti-blocking mechanism (6), the anti-blocking mechanism (6) is arranged on the rear end cover (11), and the anti-blocking mechanism (6) is used for cleaning the vent (111).

2. The high-efficiency heat-dissipation motor structure according to claim 1, characterized in that: The phase change heat dissipation mechanism (5) includes heat exchange ring (51), the heat exchange ring (51) is arranged on the inner shell wall of the shell (1), the inner side of the heat exchange ring (51) is closely combined with the outer surface of the stator (3), the outer shell wall of the shell (1) is fixedly connected with annular phase change shell (52), the annular phase change shell (52) has phase change material in it, the outer side wall of the heat exchange ring (51) is annularly provided with a plurality of groups of heat conducting columns (53), the number of each group of the heat conducting columns (53) is at least five, the other end of the heat conducting column (53) extends to the inside of the annular phase change shell (52) and is fixedly connected with the heat dissipation fin (54), and the heat dissipation fin (54) is fixedly embedded on the heat exchange ring (51).

3. The high efficient heat dissipating motor structure of claim 1, wherein: The anti-blocking mechanism (6) includes connecting shaft (61), the connecting shaft (61) is rotatably inserted in the center of the side wall of the rear end cover (11) away from the shell (1), one end of the connecting shaft (61) is fixedly connected with the shaft of the rotor (2) and the other end is fixedly connected with the mounting seat (62), the mounting seat (62) is rotatably provided with brush rod (63), the side wall of the rear end cover (11) away from the shell (1) is fixedly connected with bevel gear (64), the other end of the brush rod (63) is fixedly connected with bevel gear (65) engaged with bevel gear (64).

4. The high efficient heat dissipating motor structure of claim 2, wherein: The heat exchange ring (51) is made of aluminum nitride.

5. The high efficient heat dissipating motor structure of claim 2, wherein: The heat conducting column (53) is made of material with good thermal conductivity.

6. The high efficient heat dissipating motor structure of claim 2, wherein: The phase change material is a mixture of paraffin and metal powder.

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