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CN-224204849-U - Motor with heat dissipation function

CN224204849UCN 224204849 UCN224204849 UCN 224204849UCN-224204849-U

Abstract

The utility model relates to the technical field of motors, in particular to a motor with a heat dissipation function, which comprises a shell, a rotor, a stator with a coil, an output rotating shaft and a bearing, wherein the rotor is coaxially arranged in the stator, the stator is arranged in the shell, the rotor is connected with the output rotating shaft, the output rotating shaft penetrates through the shell, the output rotating shaft is connected with the shell through the bearing, a plurality of first air channels are arranged in the rotor, a plurality of second air channels are arranged in the shell, the first air channels are communicated with the second air channels, and the second air channels are communicated with the outside. The utility model has convenient assembly and use, can realize effective heat dissipation and improves the heat dissipation effect.

Inventors

  • HUANG CAN
  • TAN WEIJIE

Assignees

  • 元本(广州)电子有限公司

Dates

Publication Date
20260505
Application Date
20250403

Claims (10)

  1. 1. The motor with the heat dissipation function is characterized by comprising a shell, a rotor (100), a stator (200) with a coil (210), an output rotating shaft (300) and a bearing (400), wherein the rotor (100) is coaxially arranged in the stator (200), the stator (200) is arranged in the shell, the rotor (100) is connected with the output rotating shaft (300), the output rotating shaft (300) penetrates through the shell, the output rotating shaft (300) is connected with the shell through the bearing (400), a plurality of first air channels are arranged in the rotor (100), a plurality of second air channels are arranged in the shell, and the first air channels are communicated with the second air channels and are communicated with the outside.
  2. 2. The motor with the heat dissipation function according to claim 1, wherein the housing comprises a yoke housing (500), an upper cover body (600) and a lower cover body (700), the upper cover body (600) and the lower cover body (700) are respectively covered at two ends of the yoke housing (500), a columnar accommodating space and an annular accommodating space coaxially arranged with the columnar accommodating space are arranged in the yoke housing (500), the rotor (100) is located in the columnar accommodating space, the stator (200) is located in the annular accommodating space, the second air duct comprises a first sub-air duct and a second sub-air duct which are arranged in the yoke housing (500), the columnar accommodating space is communicated with the outside through the first sub-air duct, and the annular accommodating space is communicated with the outside through the second sub-air duct.
  3. 3. The motor with the heat dissipation function according to claim 2, wherein a first concave cavity (511) is formed at one end of the yoke housing (500) covered with the upper cover body (600), the first concave cavity (511) is communicated with the columnar accommodating space, a plurality of first ventilation gaps (512) communicated with the first concave cavity (511) are formed in the outer side wall of the yoke housing (500), the first ventilation gaps (512) are communicated with the annular accommodating space, the first concave cavity (511) and the first ventilation gaps (512) form the first sub-air duct, and the first ventilation gaps (512) form the second sub-air duct.
  4. 4. The motor with the heat dissipation function according to claim 2 or 3, wherein a second concave cavity (521) is arranged at one end of the yoke housing (500) covered by the lower cover body (700), the second concave cavity (521) is communicated with the columnar accommodating space, a plurality of second ventilation gaps (522) communicated with the second concave cavity (521) are arranged on the outer side wall of the yoke housing (500), the second ventilation gaps (522) are communicated with the annular accommodating space, the second concave cavity (521) and the second ventilation gaps (522) form the first sub-air duct, and the second ventilation gaps (522) form the second sub-air duct.
  5. 5. The motor with heat dissipation function according to claim 4, wherein the yoke housing (500) comprises an upper yoke housing (510) and a lower yoke housing (520) which is covered with the upper yoke housing (510), the upper cover (600) and the lower cover (700) are respectively detachably covered with the upper yoke housing (510) and the lower yoke housing (520), the upper yoke housing (510) and the lower yoke housing (520) are respectively connected with two ends of the stator (200), the upper yoke housing (510) is provided with the first sub-air duct and the second sub-air duct, and the lower yoke housing (520) is provided with the first sub-air duct and the second sub-air duct.
  6. 6. The motor with the heat dissipation function according to claim 5, wherein a plurality of first pole claws (513) and second pole claws (523) are respectively arranged in the upper yoke housing (510) and the lower yoke housing (520), a first mounting groove (220) matched with the first pole claws (513) and a second mounting groove matched with the second pole claws (523) are formed in an inner annular surface of the stator (200), the first pole claws (513) are inserted into the first mounting groove (220), and the second pole claws (523) are inserted into the second mounting groove.
  7. 7. The electric machine with heat dissipation function according to claim 2, characterized in that the upper cover (600) and/or the lower cover (700) are provided with several lugs (610) facilitating the connection.
  8. 8. The electric machine with heat dissipation function according to any of the claims 1 to 3, 5 to 7, characterized in that the rotor (100) is connected with several sheet structures (110), which sheet structures (110) are located in the second air duct.
  9. 9. The electric machine with heat dissipation function according to claim 8, characterized in that the sheet-like structure (110) is integrally formed with the rotor (100).
  10. 10. The motor with heat dissipation function according to any one of claims 1 to 3 and 5 to 7, wherein a plurality of hollow cavities (120) are uniformly distributed in the rotor (100), the hollow cavities (120) are communicated with the second air duct, and the hollow cavities (120) form the first air duct.

Description

Motor with heat dissipation function Technical Field The utility model relates to the technical field of motors, in particular to a motor with a heat dissipation function. Background The heating mechanism of the motor comprises copper loss, iron loss and mechanical friction loss, wherein the copper loss is joule heat generated by exciting an enameled wire, the iron loss is hysteresis loss and eddy current loss of an iron core material in an alternating magnetic field, and the mechanical friction loss is friction heat generated between an output shaft and a bearing, and the losses all cause the motor to generate heat. In the prior art, the fan is arranged in the motor, and the motor radiates heat through the rotation of the fan and the rotor in the running process, but the heat radiation can be realized by additionally arranging the fan blade part in the motor, so that the assembly efficiency is lower. Disclosure of utility model The utility model aims to overcome the defect of low assembly efficiency of the motor in the prior art, and provides the motor with the heat dissipation function, which has the advantages of high assembly efficiency, convenience in use, capability of realizing effective heat dissipation and improvement of heat dissipation effect. In order to solve the technical problems, the utility model adopts the following technical scheme: The motor with the heat dissipation function comprises a shell, a rotor, a stator with a coil, an output rotating shaft and a bearing, wherein the rotor is coaxially arranged in the stator, the stator is arranged in the shell, the rotor is connected with the output rotating shaft, the output rotating shaft penetrates through the shell, the output rotating shaft is connected with the shell through the bearing, a plurality of first air channels are arranged in the rotor, a plurality of second air channels are arranged in the shell, the first air channels are communicated with the second air channels, and the second air channels are communicated with the outside. The motor with the heat radiation function is characterized in that the first air channel in the rotor and the second air channel in the shell are arranged, so that heat generated in the motor can be discharged out of the motor along with rotation of the rotor through the first air channel and the second air channel in sequence, effective heat radiation can be realized, the heat radiation effect is improved, meanwhile, the heat radiation can be realized through the first air channel and the second air channel without additionally arranging fan blade parts in the motor, and the assembly efficiency is higher. Preferably, the housing comprises a yoke housing, an upper cover body and a lower cover body, wherein the upper cover body and the lower cover body are respectively covered at two ends of the yoke housing, a columnar accommodating space and an annular accommodating space coaxially arranged with the columnar accommodating space are arranged in the yoke housing, the rotor is positioned in the columnar accommodating space, the stator is positioned in the annular accommodating space, the second air duct comprises a first sub air duct and a second sub air duct which are arranged in the yoke housing, the columnar accommodating space is communicated with the outside through the first sub air duct, and the annular accommodating space is communicated with the outside through the second sub air duct. The arrangement of the first sub-air duct and the second sub-air duct enables the stator and the rotor to rapidly dissipate heat, and heat dissipation efficiency is improved. Preferably, a first concave cavity is formed at one end of the yoke shell, which is covered by the upper cover body, the first concave cavity is communicated with the columnar accommodating space, a plurality of first ventilation gaps communicated with the first concave cavity are formed in the outer side wall of the yoke shell, the first ventilation gaps are communicated with the annular accommodating space, the first concave cavity and the first ventilation gaps form the first sub-air duct, and the first ventilation gaps form the second sub-air duct. Preferably, a second concave cavity is formed at one end of the yoke shell, which is covered by the lower cover body, the second concave cavity is communicated with the columnar accommodating space, a plurality of second air ventilation gaps communicated with the second concave cavity are formed in the outer side wall of the yoke shell, the second air ventilation gaps are communicated with the annular accommodating space, the second concave cavity and the second air ventilation gaps form the first sub-air duct, and the second air ventilation gaps form the second sub-air duct. Preferably, the upper yoke shell comprises an upper yoke shell and a lower yoke shell which is covered with the upper yoke shell, the upper cover body and the lower cover body are respectively and detachably covered with th