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CN-224233465-U - Heat dissipation shell and motor

CN224233465UCN 224233465 UCN224233465 UCN 224233465UCN-224233465-U

Abstract

The utility model relates to the technical field of motors, in particular to a heat dissipation shell and a motor, which comprise an end cover part and a side wall part surrounding the end cover part, wherein a containing cavity is formed by surrounding the side wall part and the end cover part, a plurality of groups of heat dissipation channels are formed in the side wall part, the heat dissipation channels are communicated with the containing cavity and the outside, the heat dissipation channels are arranged on the side wall part in a segmented mode, the heat dissipation channels extend to the end cover part, the side wall part comprises a plurality of struts, and the struts are positioned between two adjacent heat dissipation channels and are used for reinforcing the structure of the side wall part.

Inventors

  • REN GUANGYING
  • FENG HAO

Assignees

  • 任工制造(苏州)有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (8)

  1. 1. The utility model provides a heat dissipation casing, its characterized in that includes end cover portion (1) and surrounds lateral wall portion (2) of end cover portion (1), lateral wall portion (2) and end cover portion (1) surround and form and hold chamber (3), multiunit heat dissipation passageway (21) have been seted up to lateral wall portion (2), heat dissipation passageway (21) intercommunication hold chamber (3) and external world, heat dissipation passageway (21) sectional type overall arrangement in lateral wall portion (2), heat dissipation passageway (21) extend to end cover portion (1), lateral wall portion (2) include a plurality of pillar (22), pillar (22) are located between two adjacent heat dissipation passageway (21) for strengthen lateral wall portion (2) structure.
  2. 2. A heat dissipation housing as defined in claim 1, wherein the heat dissipation channel (21) comprises a plurality of heat dissipation grooves (211), the plurality of heat dissipation grooves (211) being uniformly distributed along the circumferential direction of the side wall portion (2), the heat dissipation grooves (211) being elongated shapes extending toward the end cap portion (1).
  3. 3. A heat dissipation housing as set forth in claim 2, characterized in that the end cap portion (1) is configured to be planar, the end cap portion (1) is provided with a first through hole (11), the end cap portion (1) is fixedly provided with a sleeve (12) extending toward the accommodating cavity (3), and the hollow sleeve (12) is communicated with the first through hole (11).
  4. 4. A heat dissipation housing as set forth in claim 2, wherein at least one of said struts (22) has a wiring seat (4) fixed on an inner wall thereof, said wiring seat (4) being provided with a wiring groove (41) penetrating along a side wall portion (2) toward said strut (22), said strut (22) being provided with a wiring hole (24) communicating with said wiring groove (41).
  5. 5. The heat dissipation shell as set forth in claim 4, wherein a yielding groove (23) is concavely formed in an inner wall of the support column (22) fixedly provided with the wire holder (4), the wire holder (4) is fixedly arranged in the yielding groove (23), and the wire holder (4) is flush with an inner wall of the side wall portion (2).
  6. 6. An electric machine comprising a heat dissipating housing according to any one of claims 1-5.
  7. 7. The motor of claim 6, further comprising a rotor (51) and a stator (52), wherein the stator (52) is fixedly arranged in the accommodating cavity (3) of the heat dissipation shell, and the rotor (51) rotates in the accommodating cavity (3) relative to the stator (52).
  8. 8. The motor of claim 7, wherein the heat dissipation housing is fixedly provided with a shell (53), the shell (53) and the heat dissipation housing enclose the accommodating cavity (3), and the stator (52) is fixedly connected to the shell (53).

Description

Heat dissipation shell and motor Technical Field The utility model relates to the technical field of motors, in particular to a heat dissipation shell and a motor. Background In the running process of the motor, a large amount of heat can be generated due to electromagnetic loss and mechanical friction when the rotor and the stator rotate at high speed, and the passive heat dissipation mode of the traditional motor shell relying on natural convection and surface heat dissipation ribs is limited by the heat conduction performance and the space layout of materials, so that the heat dissipation requirement of the high-power density motor is difficult to meet. With the development of the motor towards miniaturization and high efficiency, the problem of internal heat accumulation is increasingly outstanding, and continuous high temperature can not only lead to performance degradation such as permanent magnet demagnetization and insulation material aging, but also cause faults such as uneven air gap, increased vibration noise and even mechanical clamping due to thermal deformation, thereby severely restricting the reliability and service life of the motor. Disclosure of utility model The utility model aims to provide a heat dissipation shell to solve the problem of poor heat dissipation effect in a motor in the prior art. The technical scheme is that the heat dissipation shell and the motor comprise an end cover part and a side wall part surrounding the end cover part, wherein a containing cavity is formed by surrounding the side wall part and the end cover part, a plurality of groups of heat dissipation channels are formed in the side wall part, the heat dissipation channels are communicated with the containing cavity and the outside, the heat dissipation channels are arranged on the side wall part in a segmented mode, the heat dissipation channels extend to the end cover part, and the side wall part comprises a plurality of support columns, and the support columns are positioned between two adjacent heat dissipation channels and used for reinforcing the structure of the side wall part. Preferably, the heat dissipation channel includes a plurality of heat dissipation grooves, and a plurality of heat dissipation grooves are evenly distributed along the circumference of the side wall portion, and the heat dissipation grooves are elongated shapes extending towards the end cover portion. Preferably, the end cover part is configured to be a plane, a first through hole is formed in the end cover part, a sleeve extending towards the accommodating cavity is fixedly arranged on the end cover part, and the hollow sleeve is communicated with the first through hole. Preferably, at least one inner wall of the pillar is fixedly provided with a wiring seat, a wiring groove penetrating along the side wall part is formed in the side of the wiring seat, and a wiring hole communicated with the wiring groove is formed in the pillar. Preferably, the inner wall of the pillar provided with the wiring seat is concave with a yielding groove, the wiring seat is fixedly arranged in the yielding groove, and the wiring seat is flush with the inner wall of the side wall part. The application also provides a motor, which comprises a heat dissipation shell. Preferably, the heat dissipation device further comprises a rotor and a stator, wherein the stator is fixedly arranged in the accommodating cavity of the heat dissipation shell, and the rotor rotates in the accommodating cavity relative to the stator. Preferably, the heat dissipation shell is fixedly provided with a shell, the shell and the heat dissipation shell enclose the accommodating cavity, and the stator is fixedly connected to the shell. Compared with the prior art, the utility model has the advantages that: (1) The heat dissipation channel is arranged on the side wall part in a sectional mode and extends to the end cover part, the heat dissipation channel is communicated with the accommodating cavity and the outside, the heat exchange path between the inside of the motor and the outside can be increased, heat generated by high-speed rotation of the rotor and the stator in the motor is more effectively conducted to the outside, the heat dissipation efficiency is remarkably improved, the heat dissipation requirement of the high-power density motor is met, the temperature in the motor is reduced, the permanent magnet is prevented from demagnetizing at high temperature, the magnetic field intensity and the output performance of the motor are ensured to be stable, the thermal deformation risk is reduced, the problem of uneven air gap caused by thermal deformation is reduced, the air gap between the rotor and the stator of the motor is ensured to be uniform, and the stable operation of the motor is maintained. (2) The heat dissipation channels with sectional layout can cover the side wall part and the end cover part more comprehensively, the heat dissipation area is increased, the heat d