Search

CN-224218227-U - Multi-blade wind-guiding gives core heat dissipation DC brushless motor

CN224218227UCN 224218227 UCN224218227 UCN 224218227UCN-224218227-U

Abstract

The utility model discloses a multi-blade wind-guiding motor core cooling DC brushless motor, which is characterized in that a wind-guiding multi-blade wind wheel is arranged on a vertical wind-guiding opening of a rotor of a DC brushless motor shaft sleeve, the rotor of the motor shaft sleeve rotates towards the opening direction of the bevel blades by means of the bevel blades of the wind wheel, the generated wind dissipates heat to a motor core coil in the DC brushless motor through the vertical wind opening, the wind openings at the upper part of the rotor of the DC brushless motor shaft sleeve and the wind-guiding wind wheel blades have the same quantity, and the contact surfaces of the blades and the wind-guiding opening are provided with sealing glue to increase the wind-guiding effect, so that the contact part of the wind wheel blades and the vertical wind port bracket surface forms a wind guiding oblique angle, a plurality of blades and a plurality of vertical wind ports form a plurality of oblique angle wind guiding ports, the larger the rotating speed of the shaft sleeve rotor of the direct current brushless motor provided with the multi-blade wind wheel is, the larger the wind guiding speed of the wind guiding ports is, the stronger the heat radiation capability of the coil in the motor core is, the greatly increased heat radiation efficiency is achieved, the service time and performance of the DC brushless motor are improved, and the defect that the existing DC brushless motor core has no heat radiation and heat radiation design processing technology is solved.

Inventors

  • LONG MINGFU

Assignees

  • 龙明付

Dates

Publication Date
20260508
Application Date
20240601

Claims (6)

  1. 1. A multi-blade wind-guiding machine core heat dissipation direct current brushless motor is characterized by comprising structural components of a multi-blade wind wheel (1), a secondary fixed screw hole (2), a primary fixed nut thread (3), a multi-blade wind wheel shaft (4), a machine core permanent magnet block (5), a rotating shaft support (6), a motor body cover (7), a vertical wind guiding hole (8), a rotating shaft (9), a bearing (10), a motor machine core coil (11), a coil support (12), a motor power supply line (13), a motor base (14) with a fixed hole and a rotating shaft clamping ring (15), and is characterized in that after the multi-blade wind wheel (1) and the multi-blade wind wheel shaft (4) are assembled, blades of each multi-blade wind wheel (1) are attached to the vertical wind guiding hole (8) to form an oblique angle wind guiding hole.
  2. 2. A multi-blade wind-guiding motor core radiating DC brushless motor according to claim is characterized in that the number of blades of the wind wheel (1) is the same as the number of vertical wind-guiding ports (8), and one blade corresponds to one vertical wind-guiding port.
  3. 3. A DC brushless motor for cooling a movement by a multi-blade wind-guiding machine according to a prescribed claim is characterized in that the contact part of each blade of the multi-blade wind wheel (1) and each vertical wind-guiding opening (8) keeps good wind-guiding effect, and the blades are bonded by sealing glue.
  4. 4. A multi-blade wind guiding machine core heat dissipation direct current brushless motor is characterized in that the multi-blade wind wheel (1) is provided with a positive multi-blade wind wheel and a negative multi-blade wind wheel, blades of the multi-blade wind wheel (1) and a vertical wind guiding opening (8) form an oblique angle wind guiding opening, and the direction of the oblique angle wind guiding opening faces the direction of a motor rotating shaft.
  5. 5. A multi-blade wind-guiding motor core radiating DC brushless motor is characterized in that a rotating shaft (9), a motor body cover (7), a rotating shaft bracket (6), a motor core permanent magnet (5), a multi-blade wind wheel shaft (4) and a multi-blade wind wheel (1) form a DC motor shaft sleeve rotor together.
  6. 6. A multi-blade wind-guiding motor core cooling DC brushless motor is characterized in that after a motor power supply line (13) on a motor base (14) with a fixed hole is electrified, a motor core coil (11) generates magnetic force, and a core permanent magnet block (5) on a DC motor rotor generates acting force to drive the motor rotor to rotate, a motor shaft sleeve rotor rotates, a multi-blade wind wheel (1) synchronously rotates, wind outside the motor is led into the motor core at an oblique angle wind-guiding port formed by blades of the multi-blade wind wheel (1) and a vertical wind-guiding port (8), and cooling of the electrified coil in the DC brushless motor core is realized.

Description

Multi-blade wind-guiding gives core heat dissipation DC brushless motor Technical Field The utility model relates to the technical field of motors, in particular to a multi-blade wind-guiding direct current brushless motor for heat dissipation of a movement. Background The unmanned aerial vehicle rotor or manned aircraft rotor engine direct current brushless motor has the advantages that electric energy is converted into mechanical energy, the mechanical energy can be used for life and business of people and in the field of military unmanned aerial vehicles, life quality of people is improved, and the electric energy meets low-carbon and environment-friendly requirements, so that the mechanical energy is more and more widely applied. The brushless DC motor has the characteristics of low interference, low noise, long service life and low maintenance cost, and is gradually used in the field of electric aircrafts along with the development of society. But simultaneously, the direct current brushless motor also has the characteristics of large heating and small output power, so that the use time of the direct current brushless motor on aircrafts such as unmanned aerial vehicles is not long, and the machine core is lack of effective heat dissipation and easy to burn, so that the crash is caused, and the service life of the aircrafts is shortened. At present, the cooling structure of the direct current brushless motor sold in the market and disclosed in the related art has the advantages that the cooling fan opening is perpendicular to the central axis of the direct current brushless motor, the design of the central axis is required to be perpendicular, and the motor rotor shaft and the shell are required to be subjected to drawing of a mold perpendicular to the central axis, so that the direct current brushless motor sold in the market is caused, the cooling fan opening is perpendicular to the central axis of the direct current brushless motor, otherwise, the processing technology and the cost are multiplied, in addition, the unmanned aerial vehicle is used for an aircraft such as a manned aircraft, and particularly, a plurality of direct current brushless motors are assembled on a multi-rotor unmanned aerial vehicle, and the special requirements of simultaneous assembly of forward rotation and reverse rotation are required, so that the cooling fan opening of the traditional direct current brushless motor can only be perpendicular to the central axis of the direct current brushless motor, and the heat dissipation of the designed motor is almost not needed. Therefore, a direct current brushless motor for cooling the core is needed, which solves the processing technology problem and solves the technical problem that the core coil of the direct current brushless motor generates large heat and cannot be dissipated in time in the simultaneous forward and reverse rotation assembly of the rotor engines of unmanned aerial vehicles, manned aviation and other aircrafts. Technical problem In view of the above, the utility model provides the multi-blade wind-guiding direct-current brushless motor for heat dissipation of the movement, which can solve the processing technology problem, can provide the unmanned aerial vehicle with the problem that each direct-current brushless motor on the manned aerospace vehicle can timely guide wind and dissipate heat for the motor heating movement coil no matter the direct-current brushless motor is installed in forward rotation or reverse rotation, and has the advantages of simple production technology, light weight and low cost. Technical solution The technical scheme adopted by the utility model for solving the technical problems is as follows: The utility model provides a multi-blade wind-guiding motor core radiating direct-current brushless motor, which comprises three parts, namely a direct-current brushless motor core coil stator base, a shaft sleeve rotor with a wind port in the vertical direction of the direct-current brushless motor core coil stator, and a multi-blade wind wheel radiating the core coil through the wind port on the upper part of the shaft sleeve rotor. Advantageous effects Compared with the prior art, the multi-blade wind guiding direct current brushless motor for machine core heat dissipation is provided by the utility model, wind guiding multi-blade wind wheels are arranged on the vertical wind guiding opening of the shaft sleeve rotor of the direct current brushless motor, the motor shaft sleeve rotor rotates towards the opening direction of the bevel blades by means of the bevel blades of the wind wheels, the generated wind dissipates heat to the machine core coil in the direct current brushless motor through the vertical wind opening, the number of the wind opening at the upper part of the shaft sleeve rotor of the direct current brushless motor and the wind guiding wind wheel blades is the same, and the wind guiding effect is increased by sealing glue on the