Heat dissipation structure of actuator motor

Abstract

The utility model discloses a heat dissipation structure of an actuator motor, and relates to the technical field of actuator motors. The actuator motor comprises a mounting seat, a motor protective cover is fixedly mounted on the top surface of the mounting seat, an actuator motor body is fixedly mounted on the top surface of the mounting seat through bolts, the actuator motor body is located in the motor protective cover, and a top cover is fixedly mounted at the top end of the motor protective cover through bolts. And one end of a rotor of the actuator motor body is fixed on a turbine fan blade. According to the utility model, when the actuator motor body operates, the rotor drives the turbine fan blades to rotate, so that external air enters the motor protective cover to generate air flow which flows vertically and downwards in the motor protective cover, and the air flows in the gaps of the metal radiator, so that the air flow can be cooled. The metal radiator is fixedly arranged on the surface of the actuator motor body in a sleeving mode, so that the contact area between air and the actuator motor body is increased, and heat dissipation is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to actuator motor technical field, concretely relates to a heat dissipation structure of actuator motor. BACKGROUND

[0002] Electric actuator refers to in control system with electricity as energy source one kind of actuator, accepts the electric signal of adjusting instrument etc., changes the operating quantity according to the size of signal, makes the material quantity or energy of input or output control object change, reaches the purpose of automatic regulation, is widely used in automation equipment.

[0003] Actuator motor will produce a large amount of heat in the running process, and the high temperature can cause the performance of the electronic components inside the motor to decline, shorten its service life, and the electronic components are prone to failure in a high-temperature environment, increasing the maintenance cost and downtime of the equipment. Secondly, the motor winding is prone to insulation aging under high temperature, which reduces the insulation performance of the motor, and even causes short circuit failure, which poses a safety hazard. Furthermore, thermal expansion of the motor due to overheating can cause deformation of mechanical components, affecting the precision and stability of the motor, and thus affecting the normal operation of the entire equipment.

[0004] Therefore, a heat dissipation structure of actuator motor is proposed. UTILITY MODEL CONTENTS

[0005] The utility model discloses a heat dissipation structure of actuator motor.

[0006] The utility model discloses a heat dissipation structure of actuator motor.

[0007] A heat dissipation structure of actuator motor, comprising a mounting seat, the top surface of the mounting seat is fixedly installed with a motor protective cover, the top surface of the mounting seat is fixedly installed with an actuator motor body through bolts, and the actuator motor body is located inside the motor protective cover, the top end of the motor protective cover is fixedly installed with a top cover through bolts, one end of the actuator motor body rotor is fixed with a turbine fan blade, the other end is fixed with a flange plate, and a metal radiator is fixedly sleeved on the surface of the actuator motor body to increase the air contact area.

[0008] Further, the motor protective cover comprises a cover body fixedly installed on the top surface of the mounting seat through a nut, the surface of the cover body is provided with an exhaust hole and an air inlet, and annular metal nets are fixedly installed in the exhaust hole and the air inlet respectively to prevent external impurities from entering the inside of the cover body.

[0009] Further, the metal heat sink comprises a metal sleeve fixedly sleeved on the surface of the actuator motor body, the surface of the metal sleeve is provided with a plurality of groups of heat dissipation fins, and a through groove is arranged on the surface of the metal sleeve between the two groups of metal sleeves.

[0010] Further, the air inlet on the surface of the actuator motor body and the cover body is flush, so that external air enters the inside of the cover body through the air inlet by rotating the actuator motor body.

[0011] Further, the metal sleeve and the heat dissipation fins are made of copper, and the edges of the heat dissipation fins are attached to the inner wall of the cover body.

[0012] Further, when the actuator motor body drives the flange plate and the turbine fan blade to rotate, external air enters the inside of the cover body through the air inlet and then is discharged through the air outlet.

[0013] The beneficial effects of the utility model are as follows:

[0014] The motor protective cover is fixedly installed on the top surface of the mounting seat by bolts, forms a closed space, protects the inside actuator motor body, when the actuator motor body operates, the rotor drives the turbine fan blade to rotate, so that external air enters the inside of the motor protective cover, generates airflow flowing vertically downward in the inside of the motor protective cover, the airflow flows at the gap of the metal heat sink, the metal heat sink is fixedly sleeved on the surface of the actuator motor body, increases the contact area of air and the actuator motor body, accelerates heat dissipation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0016] Figure 2 It is the front view of the utility model;

[0017] Figure 3 It is the partial top view of the utility model;

[0018] Figure 4 It is the partial schematic view of the utility model;

[0019] Figure 5 It is the schematic view of the metal heat sink of the utility model;

[0020] Figure 6 It is the explosion view of the motor protective cover of the utility model;

[0021] Reference signs: 1, mounting seat; 2, motor protective cover; 201, cover body; 202, exhaust hole; 203, air inlet; 204, annular metal mesh; 3, top cover; 4, actuator motor body; 41, flange plate; 5, turbine fan blade; 6, metal heat sink; 601, metal sleeve; 602, heat dissipation fin; 603, through groove. DETAILED DESCRIPTION

[0022] To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0024] It should be noted that: similar reference signs and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the embodiments of the present application, it should be noted that the terms "inner", "outer", "upper", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product of the present application is usually placed, which is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] As Figures 1 to 6As shown, a heat dissipation structure of an actuator motor includes a mounting base 1, a motor protective cover 2 is fixedly installed on the top surface of the mounting base 1, an actuator motor body 4 is fixedly installed on the top surface of the mounting base 1 by bolts, and the actuator motor body 4 is located inside the motor protective cover 2, a top cover 3 is fixedly installed on the top end of the motor protective cover 2 by bolts, one end of the rotor of the actuator motor body 4 is fixed with a turbine fan blade 5, and the other end is fixed with a flange plate 41, and a metal radiator 6 is fixedly sleeved on the surface of the actuator motor body 4 to increase the air contact area. More specifically, the motor protective cover 2 is fixedly installed on the top surface of the mounting base 1 by bolts to form a closed space to protect the internal actuator motor body 4, when the actuator motor body 4 operates, the rotor drives the turbine fan blade 5 to rotate, so that the external air enters the inside of the motor protective cover 2, and the airflow vertically downward is generated in the inside of the motor protective cover 2, the air flows through the gap of the metal radiator 6, the metal radiator 6 is fixedly sleeved on the surface of the actuator motor body 4, the air contact area with the actuator motor body 4 is increased, and the heat dissipation is accelerated.

[0027] The motor protective cover 2 includes a cover body 201 fixedly installed on the top surface of the mounting base 1 by a nut, the surface of the cover body 201 is provided with an air outlet hole 202 and an air inlet 203, and the inside of the air outlet hole 202 and the air inlet 203 is respectively fixedly installed with an annular metal mesh 204 to avoid external impurities entering the inside of the cover body 201. More specifically, the turbine fan blade 5 is driven to rotate by the rotor of the actuator motor body 4, so that the external air enters the inside of the cover body 201 through the air inlet 203, and after flowing vertically downward in the cover body 201, the air is discharged through the air outlet hole 202 on the surface of the cover body 201, the annular metal mesh 204 is installed on the inside of the air outlet hole 202 and the air inlet 203 to prevent external impurities from entering the inside of the cover body 201, while allowing air to flow, and heat dissipation is achieved.

[0028] The metal radiator 6 includes a metal sleeve 601 fixedly sleeved on the surface of the actuator motor body 4, the surface of the metal sleeve 601 is provided with a plurality of groups of heat dissipation fins 602, and a through groove 603 is formed on the surface of the metal sleeve 601 between the two groups of metal sleeves 601. More specifically, the metal sleeve 601 is fixedly sleeved on the surface of the actuator motor body 4, the heat dissipation fins 602 and the through groove 603 on the surface of the metal sleeve 601 increase the contact area between the actuator motor body 4 and the air, the air flows in the gap between the heat dissipation fins 602 on the surface of the metal sleeve 601, and the heat dissipation is accelerated.

[0029] The air inlet 203 on the surface of the cover body 201 is aligned with the motor body 4 of the actuator, so that external air enters the inside of the cover body 201 through the air inlet 203 by rotating the motor body 4 of the actuator. More specifically, when the motor body 4 of the actuator operates, the rotor drives the turbine fan blade 5 to rotate, generates negative pressure, and sucks external air into the inside of the cover body 201 through the air inlet 203.

[0030] The metal sleeve 601 and the heat dissipation fins 602 are made of copper, and the edges of the heat dissipation fins 602 are attached to the inner wall of the cover body 201. More specifically, the metal sleeve 601 and the heat dissipation fins 602 are made of copper, which has good heat conduction performance and can quickly conduct the heat generated by the motor body 4 of the actuator to the heat dissipation fins 602. The edges of the heat dissipation fins 602 are attached to the inner wall of the cover body 201, ensuring that air can flow in the channel formed between the heat dissipation fins 602 and the cover body 201, further improving the heat dissipation efficiency.

[0031] When the motor body 4 of the actuator drives the flange plate 41 and the turbine fan blade 5 to rotate, and external air enters the inside of the cover body 201 through the air inlet 203, and then is discharged through the air outlet hole 202. More specifically, external air can enter the cover body 201 through the air inlet 203, and heated air is discharged through the air outlet hole 202, forming a complete air flow path and achieving high-efficiency heat dissipation effect.

[0032] In summary: when the motor body 4 of the actuator operates, the rotor drives the turbine fan blade 5 to rotate, so that external air enters the inside of the motor cover 2, generating a vertical downward airflow in the inside of the motor cover 2. The air flows through the gaps of the metal heat sink 6, which is fixedly sleeved on the surface of the motor body 4 of the actuator, increasing the contact area of the air and the motor body 4 of the actuator, and accelerating the heat dissipation.

[0033] The basic principles, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. An actuator motor heat dissipation structure, characterized in that, The utility model provides an electric machine protection cover and the executioner motor body of the executioner motor body (4) are fixedly installed on the top surface of the mounting seat (1), and the executioner motor body (4) is located in the inside of electric machine protection cover (2), the top end of electric machine protection cover (2) is fixedly installed with the top cover (3) through bolt, one end of executioner motor body (4) rotor is fixed in having turbine fan blade (5), and the other end is fixed with flange plate (41), the surface of executioner motor body (4) is fixed with metal radiator (6) to increase air and contact area.

2. The heat dissipation structure of an actuator motor according to claim 1, wherein The electric machine protection cover (2) includes a cover body (201) fixedly installed on the top surface of the mounting seat (1) through a nut, a surface of the cover body (201) is provided with an air outlet hole (202) and an air inlet (203), and the air outlet hole (202) and the air inlet (203) are respectively fixedly installed with annular metal nets (204) to prevent external impurities from entering the inside of the cover body (201).

3. The heat dissipation structure of an actuator motor according to claim 1, wherein The metal radiator (6) includes a metal sleeve (601) fixedly sleeved on the surface of the executioner motor body (4), a surface of the metal sleeve (601) is provided with a plurality of groups of heat dissipation fins (602), and a through groove (603) is formed in the surface of the metal sleeve (601) between the two groups of metal sleeves (601).

4. The heat dissipation structure of an actuator motor according to claim 2, wherein The executioner motor body (4) and the air inlet (203) on the surface of the cover body (201) are flush, so that external air enters the inside of the cover body (201) through the air inlet (203) by rotating the executioner motor body (4).

5. The heat dissipation structure of an actuator motor according to claim 3, wherein The metal sleeve (601) and the heat dissipation fins (602) are made of copper material, and the edges of the heat dissipation fins (602) are in close contact with the inner wall of the cover body (201).

6. The heat dissipation structure of an actuator motor according to claim 2, wherein When the executioner motor body (4) drives the flange plate (41) and the turbine fan blade (5) to rotate, external air enters the inside of the cover body (201) through the air inlet (203) and then is discharged through the air outlet hole (202).

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