CN214959058U

CN214959058U - Heat radiator for brushless DC motor

Info

Publication number: CN214959058U
Application number: CN202121676679.8U
Authority: CN
Inventors: 郑桂桂; 梅建程; 鲍继宽
Original assignee: Shaoxing Tiger Shark Motor Co ltd
Current assignee: Shaoxing Tiger Shark Motor Co ltd
Priority date: 2021-07-22
Filing date: 2021-07-22
Publication date: 2021-11-30
Anticipated expiration: 2031-07-22

Abstract

The utility model provides a heat dissipation device of a direct current brushless motor, which relates to the field of brushless motors, and comprises a box body and a brushless motor, the brushless motor is fixedly arranged in the box body, the heat dissipation mechanism is fixedly arranged in the box body and comprises a heat dissipation pipe, a first water tank, a second water tank and a fan, the radiating pipe is wound on the brushless motor, one end of the radiating pipe is communicated with the first water tank, the other end of the radiating pipe is communicated with the second water tank, the utility model discloses a water tank, including a water tank, a radiating tube, a water tank, a gear, a fan, a gear, a pivot, a gear, a fan one end and a gear cooperate, a water tank fixed mounting is at the bottom in the box, and fixed mounting has a ponding section of thick bamboo on the radiating tube, and a ponding section of thick bamboo is linked together with the radiating tube, and the pivot has pivot one in the ponding section of thick bamboo, and one end is fixed according to having lived a plurality of paddles around the axis equidistance in the pivot one of ponding section of thick bamboo, and one end has cup jointed gear one in the pivot one outside the ponding section of thick bamboo, fan one end and gear cooperate. The radiating effect of the brushless motor is better when the radiating pipe arranged by the device is matched with the fan.

Description

Heat radiator for brushless DC motor

Technical Field

The utility model relates to a cc technical field specifically is a brushless DC motor's heat abstractor.

Background

The brushless direct current motor is composed of a motor main body and a driver, and is a typical electromechanical integration product. The stator winding of the motor is mostly made into a three-phase symmetrical star connection method, which is very similar to a three-phase asynchronous motor. The rotor of the motor is adhered with a magnetized permanent magnet, and a position sensor is arranged in the motor for detecting the polarity of the rotor of the motor. However, when the brushless motor is used, it needs to be cooled to some extent in order to make the equipment operate better.

However, oil film cooling is used for cooling the brushless motor at present, and the cooling method is to connect an oil pipeline at the inlet of the brushless DC speed reducing motor and use uniformly dropped cooling oil to carry away the heat of the rotor. Or air cooling, the brushless motor being cooled by air flow through openings in the device of the textile brushless motor.

However, the temperature reduction of air cooling is limited, and the brushless motor is easy to malfunction due to overheating.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a direct current brushless motor's heat abstractor has solved the quick radiating problem of brushless motor.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a heat dissipation device of a direct current brushless motor comprises a box body and the brushless motor. Brushless motor fixed mounting is in the box, fixed mounting has heat dissipation mechanism in the box. The heat dissipation mechanism comprises a heat dissipation pipe, a first water tank, a second water tank and a fan. The radiating pipe is wound on the brushless motor, one end of the radiating pipe is communicated with the first water tank, the other end of the radiating pipe is communicated with the second water tank, the first water tank is fixedly mounted at the top in the tank body, and the second water tank is fixedly mounted at the bottom in the tank body. The radiating pipe is fixedly provided with a water accumulation barrel, the water accumulation barrel is communicated with the radiating pipe, the inside of the water accumulation barrel is pivoted with a first rotating shaft, and one end of the first rotating shaft is arranged in the water accumulation barrel and is fixedly provided with a plurality of paddles by equidistance around an axis. One end of the rotating shaft I is arranged outside the water accumulation barrel in a sleeved mode, a gear I is sleeved on the rotating shaft I, and one end of the fan is matched with the gear I.

Preferably, the fan is fixedly provided with a second rotating shaft, one end of the second rotating shaft is sleeved with a second gear, and the second gear is meshed with the first gear.

Preferably, a support rod is fixedly installed in the box body, and the outer end of the support rod is sleeved on the second rotating shaft.

Preferably, a heat dissipation port is further formed in one side of the box body, and the heat dissipation port corresponds to the fan.

Preferably, the bottom of the box body is fixedly provided with a base, and the brushless motor is fixedly arranged on the base.

(III) advantageous effects

The utility model provides a brushless DC motor's heat abstractor. The method has the following beneficial effects:

1. this brushless DC motor's heat abstractor, the radiating effect of brushless DC motor is better when the cooperation of the cooling tube that sets up and fan can be, when the cooling tube temperature rose, makes the fan rotate through rivers impact paddle, comes to the air escape in the device, reaches the radiating purpose of cooling off fast in the device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the water accumulation barrel of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: the heat dissipation device comprises a box body 1, a base 2, a brushless motor 3, a heat dissipation pipe 4, a water accumulation barrel 41, a paddle 42, a first rotating shaft 43, a first gear 44, a first water tank 51, a second water tank 52, a fan 6, a support rod 61, a second rotating shaft 62, a second gear 63 and a heat dissipation opening 7.

Detailed Description

The embodiment of the utility model provides a brushless DC motor's heat abstractor, as shown in fig. 1-3, including box 1 and brushless motor 3, bottom fixed mounting has base 2 in box 1, and brushless motor 3 fixed mounting is on base 2. A heat dissipation mechanism is fixedly arranged in the box body 1. The heat dissipation mechanism comprises a heat dissipation pipe 4, a first water tank 51, a second water tank 52 and a fan 6. The cooling liquid with higher boiling point can flow in the radiating pipe 4, the radiating pipe 4 is wound on the brushless motor 3, one end of the radiating pipe 4 is communicated with the first water tank 51, the other end of the radiating pipe 4 is communicated with the second water tank 52, the first water tank 51 is fixedly arranged at the top in the box body 1, and the second water tank 52 is fixedly arranged at the bottom in the box body 1.

The radiating pipe 4 is fixedly provided with a water accumulation barrel 41, the water accumulation barrel 41 is communicated with the radiating pipe 4, a first rotating shaft 43 is pivoted in the water accumulation barrel 41, and a plurality of paddles 42 are fixedly pressed on the first rotating shaft 43 in the water accumulation barrel 41 at equal intervals around the axis. One end of the fan 6 is sleeved with a first gear 44 on a first rotating shaft 43 outside the water accumulation barrel 41, and one end of the fan is matched with the first gear 44. The cooling liquid flows downwards under the action of gravity to form a vortex to drive the blades 42 to rotate, and then the fan 6 is driven to rotate to dissipate heat and cool the inside of the box body 1.

The fan 6 is fixedly provided with a second rotating shaft 62, one end of the second rotating shaft 62 is sleeved with a second gear 63, the second gear 63 is meshed with the first gear 44, and the second gear 63 is perpendicular to the first gear 44.

A supporting rod 61 is fixedly arranged in the box body 1, and the outer end of the supporting rod 61 is sleeved on the second rotating shaft 62.

One side of the box body 1 is also provided with a heat dissipation port 7, and the heat dissipation port 7 corresponds to the fan 6.

The working principle is as follows: during the use, coolant liquid in the water tank 51 flows to the ponding section of thick bamboo 41 through the radiator pipe in, flows downwards under the effect of gravity, forms the swirl and drives paddle 42, drives gear 44 through pivot 43, because the meshing mutually of gear 44 one and gear two 63, the rotation of the drive fan of pivot two 62 is come to dispel the heat in the device, and coolant liquid in the ponding section of thick bamboo 41 continues to flow to the water tank two 52 in, accomplishes the cooling heat dissipation to brushless motor 3 and box 1 in.

To sum up, this heat abstractor of DC brushless motor, the radiating effect of brushless motor is better when the cooperation of the cooling tube that sets up and fan can, when the cooling tube temperature rose, makes the fan rotate through rivers impact paddle, comes to the air escape in the device, reaches the radiating purpose of cooling off fast in to the device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a brushless DC motor's heat abstractor, includes box (1) and brushless motor (3), its characterized in that: brushless motor (3) fixed mounting is in box (1), box (1) internal fixation installs heat dissipation mechanism, heat dissipation mechanism includes cooling tube (4), water tank (51), water tank two (52) and fan (6), cooling tube (4) winding is on brushless motor (3), cooling tube (4) one end is linked together with water tank one (51), cooling tube (4) other end is linked together with water tank two (52), top in water tank one (51) fixed mounting is in box (1), bottom in water tank two (52) fixed mounting is in box (1), fixed mounting has ponding section of thick bamboo (41) on cooling tube (4), ponding section of thick bamboo (41) are linked together with cooling tube (4), the pivot has pivot one (43) in ponding section of thick bamboo (41), one end is in ponding section of thick bamboo (41) pivot one (43) go up the axis fixed according to having a plurality of equidistance paddle (42) according to living, one end of the fan is arranged outside the water accumulation barrel (41) and the first rotating shaft (43) is sleeved with a first gear (44), and one end of the fan (6) is matched with the first gear (44).

2. The heat dissipating apparatus for a dc brushless motor according to claim 1, wherein: the fan (6) is fixedly provided with a second rotating shaft (62), one end of the second rotating shaft (62) is sleeved with a second gear (63), and the second gear (63) is meshed with the first gear (44).

3. The heat dissipating apparatus for a dc brushless motor according to claim 2, wherein: a supporting rod (61) is fixedly installed in the box body (1), and the outer end of the supporting rod (61) is sleeved on the second rotating shaft (62).

4. The heat dissipating apparatus for a dc brushless motor according to claim 1, wherein: one side of the box body (1) is also provided with a heat dissipation port (7), and the heat dissipation port (7) corresponds to the fan (6).

5. The heat dissipating apparatus for a dc brushless motor according to claim 1, wherein: bottom fixed mounting has base (2) in box (1), brushless motor (3) fixed mounting is on base (2).