Cooling structure of driving motor

Abstract

The utility model relates to the driving motor field, and discloses a driving motor cooling structure comprising a housing and a heat radiation mechanism, the inner wall of the housing is provided with a driving mechanism, the heat radiation mechanism is arranged in the housing, the heat radiation mechanism comprises a motor body, the outer wall of one side of the motor body is provided with a plurality of air outlets, and the air outlets are communicated with the driving mechanism. A rotating shaft is arranged on the inner wall of the motor body, a rotating fan is fixedly connected to one side of the rotating shaft, a plurality of cooling fins are arranged on the edge of the inner wall of the shell, a mounting plate is arranged at the front end of the inner wall of the shell, and a plurality of air inlets are formed in the other side of the mounting plate. According to the utility model, the rotating shaft drives the rotating fan to rotate, air flow in the motor is enhanced, the mounting plate at the front end of the shell is provided with the air inlet, external cooling air enters, the air outlet of the motor body effectively dissipates heat, the cooling air absorbs heat and then is discharged from the air inlet, and the heat dissipation efficiency is integrally improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to drive motor field especially relates to a cooling structure of drive motor. BACKGROUND

[0002] Drive motor, usually refers to the motor used to drive mechanical device or equipment, it is the key component of electric energy conversion into mechanical energy, is widely used in various electric vehicles, industrial automation equipment, household appliances and precision instruments.

[0003] And the traditional drive motor usually adopts natural convection to dissipate heat, relies on temperature difference to drive air flow, and the heat dissipation effect is greatly influenced by ambient temperature, and under high temperature or high load conditions, natural convection may not be enough to maintain the ideal working temperature of the motor.

[0004] Therefore, the technical personnel in the prior art provide a cooling structure of drive motor to solve the problems raised in the background art. SUMMARY

[0005] The utility model discloses a cooling structure of drive motor to solve the shortcomings in the prior art, and the rotating shaft drives the rotating fan to rotate, enhances the air flow in the motor, the mounting plate of the front end of the shell is provided with the air inlet, makes the external cooling air enter, the motor body air outlet effectively dissipates heat, and the cooling air absorbs heat and is discharged from the air inlet, and the overall heat dissipation efficiency is improved.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A cooling structure of drive motor, including the shell and the heat dissipation mechanism, the shell inner wall is provided with the drive mechanism, the heat dissipation mechanism is located in the shell inside, the heat dissipation mechanism includes the motor body, the outer wall of the motor body one side is seted up with a plurality of air outlets, the inner wall of the motor body is provided with the rotating shaft, the rotating shaft one side is fixedly connected with the rotating fan, the shell inner wall edge is provided with a plurality of cooling fins, the front end of the shell inner wall is provided with the mounting plate, and the mounting plate opposite side is seted up with a plurality of air inlets;

[0008] Through the above technical scheme, the rotating shaft drives the rotating fan to rotate, thereby promoting the air flow in the motor, the front end of the shell inner wall is provided with the mounting plate, the mounting plate opposite side is seted up with a plurality of air inlets, allows the external cooling air to enter the shell inside, provides power for the heat dissipation of the motor inside, and then through the air outlet designed to the motor body, the external circulation heat dissipation of the motor body can be effectively carried out.

[0009] Further, the rotating shaft outer wall is fixedly connected with a rotor, installation seats are arranged on the two sides of the rotor, a plurality of air slots are arranged on the other side of the rotor, copper sheets are arranged on the inner walls of the air slots, a stator is sleeved on the outer wall of the rotor, a plurality of rotor cores are arranged on the inner wall of the stator, installation seats are arranged on the two sides of the rotor, a fixing ring is arranged on the other side of the rotating shaft outer wall, and a connecting port is fixedly connected to the other side of the rotating shaft.

[0010] Through the above technical scheme, when the motor operates, current passes through the stator winding to generate a magnetic field around the rotor core, the copper sheets in the rotor cut the magnetic lines of force to generate induced current in the copper sheets, and the rotor rotates under the driving of the rotating shaft due to the action of the magnetic field.

[0011] Further, a plurality of bolts are arranged inside the edges of the mounting plate.

[0012] Through the above technical scheme, it is ensured that the components will not be displaced due to vibration during operation.

[0013] Further, the lower end of the shell is fixedly connected with a support seat.

[0014] Through the above technical scheme, the motor is more convenient to install, and the motor can be quickly fixed at a predetermined position.

[0015] Further, the rotating shaft penetrates through the mounting plate to the outside of the mounting plate.

[0016] Through the above technical scheme, the exposed part makes it more convenient to check, lubricate or replace it.

[0017] Further, the outer wall of the stator is attached to the inner wall of the motor body.

[0018] Through the above technical scheme, the structural strength of the entire motor is enhanced, and structural deformation caused by vibration or external force is prevented.

[0019] Further, the two sides of the plurality of copper sheets penetrate through the installation seat to the outside of the installation seat.

[0020] Through the above technical scheme, electromagnetic interference is reduced, and the electromagnetic compatibility of the motor is improved.

[0021] Further, the plurality of bolts penetrate through the mounting plate and the shell to the outside of the shell.

[0022] Through the above technical scheme, the assembly and disassembly process is more convenient, and the internal components are convenient to maintain and replace.

[0023] The utility model has the following beneficial effects:

[0024] 1. The utility model provides a cooling structure of driving motor, when driving motor works, its rotating shaft drives rotating fan to carry out rotation, provides power for the heat dissipation of motor inside, the rotation of rotating fan promotes the flow of air between stator and rotor, helps to dissipate heat, through the air outlet of motor body design, make its cooling wind stay in the shell inside for a long time, can effectively heat dissipation to motor body outside, thereby improve the overall heat dissipation efficiency, the heat dissipation fin increases the heat dissipation area, can transmit heat to the external environment more quickly, make motor can keep good temperature control when long time operation, ensure the stability and service life of motor. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the axonometric drawing of the cooling structure of driving motor that the utility model provides;

[0026] Figure 2 It is the explosion view of the cooling structure of driving motor that the utility model provides;

[0027] Figure 3 It is the structure diagram of the cooling structure of driving motor that the utility model provides;

[0028] Figure 4 It is the side sectional view of the cooling structure of driving motor that the utility model provides;

[0029] Figure 5 It is the partial explosion view of the cooling structure of driving motor that the utility model provides;

[0030] Figure 6 It is the partial structure diagram of the cooling structure of driving motor that the utility model provides.

[0031] LEGEND:

[0032] 1, heat dissipation mechanism;101, motor body;102, air outlet;103, rotating shaft;104, rotating fan;105, air inlet;106, heat dissipation fin;

[0033] 2, driving mechanism;201, rotor;202, rotor core;203, stator;204, air gap;205, copper sheet;206, mounting seat;207, fixed ring;208, connecting port;

[0034] 3, shell;4, mounting plate;5, bolt;6, support seat. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0036] With reference to Figure 1 , Figure 2 and Figure 3 , the utility model provides an embodiment: a cooling structure of driving motor, including shell 3 and heat dissipation mechanism 1, shell 3 inner wall is provided with driving mechanism 2, heat dissipation mechanism 1 is located inside shell 3, heat dissipation mechanism 1 includes motor body 101, the outer wall of one side of motor body 101 is provided with a plurality of air outlet 102, the inner wall of motor body 101 is provided with rotating shaft 103, rotating shaft 103 one side is fixedly connected with rotating fan 104, shell 3 inner wall edge is provided with a plurality of cooling fins 106, the front end of shell 3 inner wall is provided with mounting plate 4, and a plurality of air inlet 105 are formed in the other side of mounting plate 4;

[0037] Rotating shaft 103 drives rotating fan 104 to rotate, thereby promoting the air flow in the motor, the front end of shell 3 inner wall is provided with mounting plate 4, a plurality of air inlets 105 are formed in the other side of mounting plate 4, allowing external cooling air to enter the inside of shell 3, providing power for the heat dissipation of the motor inside, and then through the air outlet 102 designed for the motor body 101, the external circulation heat dissipation of the motor body 101 can be effectively carried out.

[0038] With reference to Figure 4 , Figure 5 and Figure 6 , the outer wall of rotating shaft 103 is fixedly connected with rotor 201, the two sides of rotor 201 are provided with mounting seat 206, the other side of rotor 201 is provided with a plurality of air slots 204, the inner wall of a plurality of air slots 204 is provided with copper sheet 205, the outer wall of rotor 201 is sleeved with stator 203, the inner wall of stator 203 is provided with a plurality of rotor iron cores 202, the two sides of rotor 201 are provided with mounting seat 206, the other side of the outer wall of rotating shaft 103 is provided with fixing ring 207, the other side of rotating shaft 103 is fixedly connected with connecting port 208, when the motor operates, the current passes through the stator winding, and a magnetic field is generated around the rotor iron core 202, the copper sheet 205 in the rotor 201 can cut the magnetic force line, thereby generating induced current in the copper sheet 205, due to the action of the magnetic field, the rotor 201 will rotate under the driving of the rotating shaft 103, a plurality of bolts 5 are arranged in the inside of the edge of mounting plate 4, to ensure that the components will not be displaced due to vibration during operation;

[0039] The lower end of the shell 3 is fixedly connected with a supporting seat 6, so that the motor is more convenient to install, and the motor can be quickly fixed at a predetermined position, the other side of the rotating shaft 103 penetrates through the mounting plate 4 to the outside of the mounting plate 4, the exposed part makes it more convenient to check, lubricate or replace, the outer wall of the stator 203 is attached to the inner wall of the motor body 101, the structure strength of the whole motor is enhanced, the structure deformation caused by vibration or external force is prevented, the two sides of the plurality of copper sheets 205 penetrate through the mounting seat 206 to the outside of the mounting seat 206, the electromagnetic interference is reduced, and the electromagnetic compatibility of the motor is improved, the plurality of bolts 5 penetrate through the mounting plate 4 and the shell 3 to the outside of the shell 3, so that the assembling and disassembling process is more convenient, and the internal components are convenient to maintain and replace.

[0040] Working principle: when the motor operates, the current passes through the stator winding, a magnetic field is generated around the rotor core 202, the copper sheet 205 in the rotor 201 cuts the magnetic force line, so that an induced current is generated in the copper sheet 205, due to the action of the magnetic field, the rotor 201 is rotated under the driving of the rotating shaft 103, the rotating shaft 103 drives the rotating fan 104 to rotate, so as to promote the air flow in the motor, and the motor body 101 is cooled and radiated, then the cooling air stays in the shell 3 for a long time, which can effectively cool and radiate the outside of the motor body 101, then the air is discharged through the air inlet 105, and the overall heat dissipation efficiency is improved.

[0041] Finally, it should be pointed out that: the above only the preferred specific embodiments of the present application, and is not used to limit the present application, although the foregoing specific embodiments of the present application are described in detail, for those skilled in the art, it still can be modified to the technical scheme recorded in the foregoing each specific embodiment, or equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A cooling structure for driving a motor, comprising a housing (3) and a heat dissipating mechanism (1), characterized by: The inner wall of the shell (3) is provided with a driving mechanism (2), and the heat dissipation mechanism (1) is located inside the shell (3); The heat dissipation mechanism (1) comprises a motor body (101), a plurality of air outlets (102) are formed in the outer wall of one side of the motor body (101), a rotating shaft (103) is arranged on the inner wall of the motor body (101), a rotating fan (104) is fixedly connected to one side of the rotating shaft (103), a plurality of heat dissipation fins (106) are arranged on the edge of the inner wall of the shell (3), and a mounting plate (4) is arranged on the front end of the inner wall of the shell (3). A plurality of air inlets (105) are formed in the other side of the mounting plate (4).

2. The cooling structure of an electric motor according to claim 1, characterized by: The outer wall of the rotating shaft (103) is fixedly connected with a rotor (201), the two sides of the rotor (201) are provided with mounting seats (206), the other side of the rotor (201) is provided with a plurality of air grooves (204), the inner walls of the plurality of air grooves (204) are all provided with copper sheets (205), the outer wall of the rotor (201) is sleeved with a stator (203), the inner wall of the stator (203) is provided with a plurality of rotor iron cores (202), the two sides of the rotor (201) are provided with mounting seats (206), the other side of the outer wall of the rotating shaft (103) is provided with a fixing ring (207), and the other side of the rotating shaft (103) is fixedly connected with a connecting port (208).

3. The cooling structure of an electric motor according to claim 1, characterized by: The inner part of the edge of the mounting plate (4) is provided with a plurality of bolts (5).

4. The cooling structure of an electric motor according to claim 1, characterized by: The lower end of the shell (3) is fixedly connected with a supporting seat (6).

5. The cooling structure of an electric motor according to claim 1, characterized by: The other side of the rotating shaft (103) penetrates through the mounting plate (4) to the outside of the mounting plate (4).

6. The cooling structure of an electric motor according to claim 2, characterized by: The outer wall of the stator (203) is attached to the inner wall of the motor body (101).

7. The cooling structure of an electric motor according to claim 2, characterized by: The two sides of the plurality of copper sheets (205) penetrate through the mounting seats (206) to the outside of the mounting seats (206).

8. The cooling structure of an electric motor according to claim 3, characterized by: The plurality of bolts (5) penetrate through the mounting plate (4) and the shell (3) to the outside of the shell (3).

Images