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CN-115833434-B - Dust-free heat dissipation miniature motor

CN115833434BCN 115833434 BCN115833434 BCN 115833434BCN-115833434-B

Abstract

The invention provides a dust-free heat dissipation micro motor, which belongs to the technical field of micro motors and comprises a shell, a rotor component and a rotor component, wherein an opening is formed in one side of the shell, the rotor component rotates in the shell, the rotor component consists of an even number of winding parts, the even number of winding parts are all fixed on a rotating disc, a heat exchange chamber is arranged in the winding parts, two heat exchange pipelines penetrating through the rotating disc are arranged on the heat exchange chamber, when the rotating disc rotates, air can enter the heat exchange chamber from one of the heat exchange pipelines and can be discharged from the other heat exchange pipeline, when the rotating disc rotates, air can enter the heat exchange chamber from one of the heat exchange pipelines, so that the pressure is increased in the heat exchange chamber, the air in the heat exchange chamber is extruded from the other heat exchange pipeline, the purpose of heat exchange is achieved, and a coil is wound on the winding part, so that the heat generated by the coil can be cooled, and the service life of the coil is prolonged.

Inventors

  • LAO ZHIWEI

Assignees

  • 佛山市顺德区恒德电机制品有限公司

Dates

Publication Date
20260508
Application Date
20221223

Claims (8)

  1. 1. A dust-free heat dissipation micro-motor, comprising: A housing (1), wherein an opening is formed in one side of the housing (1); The rotor component (2) rotates in the shell (1), the rotor component (2) is composed of an even number of winding parts (21), the even number of winding parts (21) are fixed on a rotating disc (22), a heat exchange chamber (23) is arranged in the winding parts (21), two heat exchange pipelines (24) penetrating through the rotating disc (22) are arranged on the heat exchange chamber (23), and when the rotating disc (22) rotates, air can enter the heat exchange chamber (23) from one of the heat exchange pipelines (24) and is discharged from the other heat exchange pipeline (24); a coil (3) wound around the winding portions (21), both ends of the coil (3) being wound around the two opposite winding portions (21), respectively; The stator (4) is arranged in the shell (1), and an even number of the winding parts (21) are annularly arranged by taking the stator (4) as a circle center; The middle part of the shell (1) is provided with a cylinder body (11), a heat dissipation hole (12) is formed in the middle part of the cylinder body (11), and a heat dissipation part (5) which can be used for dissipating heat inside the heat dissipation hole (12) through rotation is arranged on the rotating disc (22); the heat dissipation part (5) comprises a reciprocating screw (51) arranged on the rotary disc (22), the reciprocating screw (51) is located inside the heat dissipation hole (12), a piston plate (52) is slidably connected inside the heat dissipation hole (12), the piston plate (52) is in threaded connection with the reciprocating screw (51), an air inlet hole (53) is formed in the rotary disc (22), and a limiting structure (6) used for preventing the piston plate (52) from rotating is arranged in the heat dissipation hole (12).
  2. 2. The dust-free heat dissipation micro motor as set forth in claim 1, wherein the air inlet end of the heat exchange pipeline (24) is provided with an air guide cover (26), the air guide cover (26) is arranged on the other heat exchange pipeline (24) in a mirror image mode, and an air inlet of the air guide cover (26) is located on one side of the heat exchange pipeline (24) and located on the rotating path of the winding part (21).
  3. 3. The dust-free heat dissipation micro motor as set forth in claim 1, wherein the limiting structure (6) comprises a limiting chute (61) arranged in the heat dissipation hole (12), and the piston plate (52) is provided with a sliding block (62) sliding in the limiting chute (61).
  4. 4. A dust-free heat dissipation micro motor as set forth in claim 1, wherein an electric brush (7) is disposed inside the housing (1), one end of the electric brush (7) penetrates through the housing (1), a contact end (25) contacting with the electric brush (7) is disposed on the winding portion (21), and the contact end (25) is connected with an end portion of the coil (3).
  5. 5. The dust-free heat dissipation micro motor as set forth in claim 1, wherein the shell (1) is provided with a protective cover (8), the protective cover (8) is provided with at least two vent holes (81), the protective cover (8) is provided with a flange (82), the flange (82) is abutted against the rotating disc (22), the flange (82) and the shell (1) are respectively provided with an ash dropping groove (83), and the two ash dropping grooves (83) are mutually overlapped.
  6. 6. The dust-free heat dissipation micro motor as set forth in claim 5, wherein the shell (1) is provided with a buckle (13), and the protective cover (8) is provided with a clamping groove (84) matched with the buckle (13).
  7. 7. The dust-free heat dissipation micro motor as set forth in claim 1, wherein one end of the housing (1) is fixedly connected with a positioning piece (9), the positioning piece (9) is located inside the heat dissipation hole (12), and one end of the reciprocating screw rod (51) rotates in the positioning piece (9).
  8. 8. A dust-free heat-dissipating micro-machine as claimed in claim 5 or 6, characterized in that the rotating disc (22) is provided with an output shaft penetrating the protective cover (8).

Description

Dust-free heat dissipation miniature motor Technical Field The invention belongs to the technical field of miniature motors, and particularly relates to a dust-free heat dissipation miniature motor. Background The miniature motor is a kind of motor with small volume and capacity, the output power is generally below hundreds watts, the requirements of use, performance and environmental conditions are special, the miniature motor refers to a motor with the diameter smaller than 160mm or the rated power smaller than 750W, and the miniature motor is commonly used in a control system or a transmission mechanical load and is used for realizing the functions of detecting, analyzing, operating, amplifying, executing or converting electromechanical signals or energy and the like. The utility model discloses a dustless heat dissipation micro motor in the chinese patent of grant bulletin number CN109088514B, including motor housing and install in inside stator and the rotor of motor housing, the mounting hole has been seted up to motor housing both ends coaxial heart, all install first bearing in the mounting hole, install the cylinder on the first bearing, the output shaft is established to the coaxial heart in the cylinder, fixedly connected with support column between output shaft and the cylinder, the output shaft installs the fan in the cylinder, the rotor includes a plurality of rotor punching, rotor punching cover is established and is installed on the cylinder. Because the coil on the rotor is located inside the shell, and the shell is not provided with the radiating holes for radiating the coil, the coil cannot radiate well when in use, and the service life of the coil is easily influenced. Disclosure of Invention The invention aims to provide a dust-free heat dissipation micro motor, which aims to solve the problem that the heat dissipation of a coil on a rotor is inconvenient in the prior art. In order to achieve the aim, the invention provides the technical scheme that a dust-free heat dissipation miniature motor comprises a shell, a shell and a shell, wherein one side of the shell is provided with an opening; The rotor part rotates in the shell and consists of an even number of winding parts, the even number of winding parts are fixed on the rotary disk, a heat exchange chamber is arranged in the winding parts, two heat exchange pipelines penetrating through the rotary disk are arranged on the heat exchange chamber, and when the rotary disk rotates, air can enter the heat exchange chamber from one heat exchange pipeline and is discharged from the other heat exchange pipeline; a coil wound around the winding portions, both ends of the coil being wound around the two opposite winding portions, respectively; the stator is arranged in the shell, and even winding parts are arranged in an annular array with the stator as a circle center. According to a further technical scheme, an air guide cover is arranged at the air inlet end of the heat exchange pipeline, the air guide cover is arranged on the other heat exchange pipeline in a mirror image mode, and an air inlet of the air guide cover is located on one side of the heat exchange pipeline and located on a rotating path of the winding part. According to a further technical scheme, a cylinder body is arranged in the middle of the shell, a heat dissipation hole is formed in the middle of the cylinder body, and a heat dissipation part capable of dissipating heat inside the heat dissipation hole through rotation is arranged on the rotating disc. According to a further technical scheme, the heat dissipation part comprises a reciprocating screw rod arranged on the rotary disc, the reciprocating screw rod is located in a heat dissipation hole, a piston plate is connected in the heat dissipation hole in a sliding mode, the piston plate is connected to the reciprocating screw rod in a threaded mode, an air inlet hole is formed in the rotary disc, and a limiting structure used for preventing the piston plate from rotating is arranged in the heat dissipation hole. According to a further technical scheme, the limiting structure comprises a limiting chute arranged in the heat dissipation hole, and the piston plate is provided with a sliding block sliding in the limiting chute. According to a further technical scheme, an electric brush is arranged in the shell, one end of the electric brush penetrates through the outside of the shell, a contact end which is in contact with the electric brush is arranged on the winding part, and the contact end is connected with the end part of the coil. According to a further technical scheme, a protective cover is arranged on the shell, at least two vent holes are formed in the protective cover, a flange is arranged on the protective cover and abuts against the rotating disc, dust falling grooves are formed in the flange and the shell, and the two dust falling grooves are mutually overlapped. According to a further technical scheme, the sh