Motor controller heat dissipation structure

Abstract

The application discloses a motor controller heat dissipation structure, which comprises a motor rotor and a motor stator, the motor rotor is provided with a heat dissipation fan, the motor stator is provided with a heat dissipation guide vane, the heat dissipation fan and the heat dissipation guide vane are correspondingly arranged, and fan blades are arranged on the corresponding end surfaces of the heat dissipation fan and the heat dissipation guide vane; a controller box is further arranged on the motor stator, a plurality of half-open flow channels and a plurality of controller through holes communicating with the plurality of half-open flow channels are arranged on the controller box, a gland is arranged at the half-open flow channel of the controller box, so that the half-open flow channel forms a closed air cooling circulation flow channel, and a plurality of flow guide through holes corresponding to the plurality of controller through holes are arranged on the heat dissipation guide vane. The structure design of the application can make the circulating air volume large, the heat dissipation effect is remarkable, and the heat dissipation efficiency is high; meanwhile, the air duct circulation heat dissipation structure is simple, convenient to install and practical, and the heat dissipation fan can be replaced according to the heat dissipation requirement.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of motor controller heat dissipation, in particular to a motor controller heat dissipation structure and method. BACKGROUND

[0002] In order to ensure better operation, the motor is provided with a heat dissipation structure, the existing heat dissipation structure can only meet the heat dissipation requirement of the controller under low power working condition, and the flow channel of the existing heat dissipation structure is complex, and the circulating air volume is small, when the power consumption of the controller increases, the existing heat dissipation structure cannot meet the temperature rise requirement of the controller element. SUMMARY

[0003] The purpose of the present application is to solve the problems in the background art, and to provide a motor controller heat dissipation structure, which has large circulating air volume, significant cooling effect and simple structure.

[0004] In order to solve the above technical problems, the technical scheme of the present application is as follows: a motor controller heat dissipation structure, comprising a motor rotor and a motor stator, a heat dissipation fan is arranged on the motor rotor, and a heat dissipation guide vane is arranged on the motor stator, the heat dissipation fan and the heat dissipation guide vane are arranged correspondingly, and fan blades are arranged on the corresponding end faces of the heat dissipation fan and the heat dissipation guide vane; a controller box is further arranged on the motor stator, a plurality of air cooling circulation flow channels and a plurality of controller through holes communicating with the plurality of air cooling circulation flow channels are arranged on the controller box, a gland is arranged corresponding to the air cooling circulation flow channel of the controller box, so as to cover the semi-open air cooling circulation flow channel, and a plurality of flow guide through holes corresponding to the plurality of controller through holes are arranged on the heat dissipation guide vane.

[0005] In the above-mentioned motor controller heat dissipation structure, a plurality of radial heat dissipation ribs are arranged on the controller box, and the heat dissipation ribs are arranged in a staggered and uniform manner to form air cooling circulation flow channels.

[0006] In the above-mentioned motor controller heat dissipation structure, an arc surface structure is arranged on the controller box, and the heat dissipation ribs are arranged on the arc surface structure of the controller box.

[0007] In the above-mentioned motor controller heat dissipation structure, the gland is fixedly connected to the controller box, the controller box is fixedly connected to the heat dissipation guide vane of the motor stator, and the controller through holes and the flow guide through holes of the two are aligned and communicated.

[0008] In the above-mentioned motor controller heat dissipation structure, the number of the controller through holes, the air cooling circulation flow channels on the controller box and the flow guide through holes on the heat dissipation guide vane are one-to-one corresponding.

[0009] In the above-mentioned motor controller heat dissipation structure, the corresponding end faces of the heat dissipation guide vane and the heat dissipation fan are provided with guide vane blades in opposite directions.

[0010] In the motor controller heat dissipation structure, the motor stator and the heat dissipation guide vane are in an integrated structure.

[0011] In the motor controller heat dissipation structure, the number of guide vane blades on the heat dissipation guide vane and the number of fan blades on the heat dissipation fan are prime numbers.

[0012] In the motor controller heat dissipation structure, the flow guide through hole on the heat dissipation guide vane corresponds to the root of the guide vane blade thereon.

[0013] The present application has the following advantages:

[0014] The present application is provided with multiple air cooling circulation flow channels on the controller box, external air is quickly sucked in through the multiple air cooling circulation flow channels by the rotation of the heat dissipation fan, the hot air heated by the controller box is fully subjected to heat convection exchange in the closed flow channel, and is quickly discharged to the external environment by the heat dissipation fan; the structural design of the present application makes the circulating air volume large, the heat dissipation effect is remarkable, and the heat dissipation efficiency is high; at the same time, the air duct circulation heat dissipation structure is simple, easy to install and use, and the heat dissipation fan can also be replaced according to the heat dissipation requirement. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the sectional view of the present application;

[0016] Figure 2 is the perspective view of the present application;

[0017] Figure 3 is the perspective sectional view of the controller box and the gland after connection in the present application;

[0018] Figure 4 is the perspective view of the controller box and the gland after connection in the present application;

[0019] Figure 5 is the perspective view of the motor stator in the present application;

[0020] Figure 6 is the perspective view of the heat dissipation fan in the present application. DETAILED DESCRIPTION

[0021] The present application is further described in conjunction with the drawings.

[0022] Please refer to Figures 1 to 6The application provides a motor controller heat dissipation structure, which comprises a motor rotor 1 and a motor stator 2, the motor rotor 1 is provided with a heat dissipation fan 3, the heat dissipation fan 3 is provided with a fixing hole 3-1, the heat dissipation fan 3 is fixed to the motor rotor 1 through the fixing hole 3-1 by a nut or a screw, the motor stator 2 is provided with a heat dissipation guide vane 4, the heat dissipation guide vane 4 is preferably provided in an integrated structure with the motor stator 2, the heat dissipation fan 3 is correspondingly arranged with the heat dissipation guide vane 4, the heat dissipation fan 3 is provided with fan blades 3-2 on the corresponding end surfaces of the heat dissipation fan 3 and the heat dissipation guide vane 4, the heat dissipation fan 3 is a semi-open backward centrifugal impeller, the fan blades 3-2 adopt a multi-arc camber line, and the inlet angle of the fan blades 3-2 is preferably arranged at 15-28 degrees, and the outlet angle of the blades is adjusted according to heat dissipation requirements.

[0023] The motor stator 2 is further provided with a controller box 5, the controller box 5 is provided with a plurality of air-cooled circulation flow channels 9 and a plurality of controller through holes 7 communicated with the plurality of air-cooled circulation flow channels 9, the air-cooled circulation flow channels 9 of the controller box 5 are correspondingly provided with gland nuts 8, so that the semi-open air-cooled circulation flow channels 9 are covered, the heat dissipation guide vane 4 is provided with a plurality of flow guide through holes 10 communicated with the plurality of controller through holes 7, the gland nuts 8 are fixedly connected to the controller box 5 during connection and installation, the controller box 5 is fixedly connected to the heat dissipation guide vane 4 of the motor stator 2, and the controller through holes 7 and the flow guide through holes 10 are aligned and communicated.

[0024] A controller for controlling work is installed in the controller box 5, heat generated by the controller during work is transferred to the controller box 5, the motor rotor 1 drives the heat dissipation fan 3 to rotate, cold air is sucked from the air inlet outside the air-cooled circulation flow channels 9 of the controller box 5, the cold air is transported from the controller through holes 7 and the flow guide through holes 10 to the flow channel between the heat dissipation fan 3 and the heat dissipation guide vane 4 through the air-cooled circulation flow channels 9, and finally the heat is discharged to the external environment.

[0025] Specifically, the controller box 5 is provided with a plurality of radial heat dissipation ribs 11 arranged uniformly, adjacent heat dissipation ribs 11 are arranged in a staggered and uniform distribution to form the air-cooled circulation flow channels 9.

[0026] Further, the controller box 5 is provided with an arc surface structure 12, the heat dissipation ribs 11 are arranged on the arc surface structure 12 of the controller box 5, so that the flow loss of the air-cooled circulation flow channels is reduced when the air-cooled circulation flow channels pass through the arc surface.

[0027] Further, in order to better suck the air in the external environment for heat dissipation, the number of the controller through holes 7, the air-cooled circulation flow channels 9 of the controller box 5 and the flow guide through holes 10 of the heat dissipation guide vane 4 one-to-one correspond.

[0028] Further, the heat dissipation guide vane 4 is provided with guide vane blades 13 with opposite directions on the end face corresponding to the heat dissipation fan 3, the number of the guide vane blades 13 on the heat dissipation guide vane 4 and the fan blades 3-2 on the heat dissipation fan 3 are prime numbers; the blades on the heat dissipation guide vane 4 and the heat dissipation fan 3 are designed to increase the heat exchange area and guide the air flow out smoothly, reduce the flow loss and noise.

[0029] Further, the flow guide through hole 10 on the heat dissipation guide vane 4 corresponds to the root of the guide vane blade 13 thereon, the guide vane blade 13 plays a role of guiding the outside air sucked in the flow guide through hole 10, so that the hot air can be transported to the outside better and faster, at the same time, the hot air in the closed flow channel formed by the controller box and the gland can be fully exchanged by heat convection, the heat exchange and heat convection between the heat dissipation fan 3 and the heat dissipation guide vane 4 can be carried out, and a better heat dissipation effect can be achieved.

[0030] The motor controller heat dissipation structure provided by the embodiment of the application is described in detail above, the principle and implementation mode of the application are described by applying specific examples in this paper, the above embodiment is only used to help understand the technical scheme disclosed by the application; at the same time, for the general technical personnel in the field, according to the idea of the application, the specific implementation mode and application range will be changed, and the above description should not be understood as the limitation of the application.

Claims

1. A motor controller heat dissipation structure, comprising a motor rotor, a motor stator, characterized in that: The motor rotor is provided with a heat dissipation fan, and the motor stator is provided with a heat dissipation guide vane, the heat dissipation fan and the heat dissipation guide vane are correspondingly arranged, and the corresponding end surfaces of the heat dissipation fan and the heat dissipation guide vane are provided with fan blades; the motor stator is further provided with a controller box, the controller box is provided with a plurality of air-cooled circulation flow channels and a plurality of controller through holes communicated with the plurality of air-cooled circulation flow channels, the air-cooled circulation flow channels of the controller box are correspondingly provided with gland nuts, so as to cover the semi-open air-cooled circulation flow channels, and the heat dissipation guide vane is provided with a plurality of guide through holes communicated with the plurality of controller through holes. The corresponding end surfaces of the heat dissipation guide vane and the heat dissipation fan are provided with guide vane blades in opposite directions; the number of the guide vane blades on the heat dissipation guide vane and the number of the fan blades on the heat dissipation fan are prime numbers.

2. The heat dissipation structure of a motor controller according to claim 1, characterized in that: The controller box is provided with a plurality of radial heat dissipation ribs arranged uniformly, and the air-cooled circulation flow channels are formed by the heat dissipation ribs arranged uniformly.

3. The heat dissipation structure of a motor controller according to claim 2, characterized in that: The controller box is provided with an arc surface structure, and the heat dissipation ribs are arranged on the arc surface structure of the controller box.

4. The heat dissipation structure of a motor controller according to claim 1, characterized in that: The gland nut is fixedly connected to the controller box, and the controller box is fixedly connected to the heat dissipation guide vane of the motor stator, and the controller through holes and the guide through holes on the two are aligned and communicated.

5. The heat dissipation structure of a motor controller according to claim 1, characterized in that: The number of the controller through holes, the air-cooled circulation flow channels on the controller box and the guide through holes on the heat dissipation guide vane are one-to-one corresponding.

6. The heat dissipation structure of a motor controller according to claim 1, characterized by: The motor stator and the heat dissipation guide vane are arranged in an integrated structure.

7. The heat dissipation structure of a motor controller according to claim 1, characterized by: The guide through holes on the heat dissipation guide vane correspond to the roots of the guide vane blades.

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