CN219576802U - Quick heat radiation structure for brushless motor - Google Patents

Abstract

The utility model relates to the technical field of brushless motors, in particular to a quick heat dissipation structure for a brushless motor, which comprises a motor casing, a motor circuit board and a rotor, wherein the lower end of the motor casing is spirally connected with a disassembly casing, the lower side of the inside of the disassembly casing is rotationally connected with a ventilation fan blade, the side wall of the disassembly casing is fixedly connected with a clamping sleeve, the inner side of the clamping sleeve is slidingly connected with a cooling pipe.

Description

Quick heat radiation structure for brushless motor

Technical Field

The utility model relates to the technical field of brushless motors, in particular to a rapid heat dissipation structure for a brushless motor.

Background

With the development of society, the brushless direct current motor is more widely applied, and is a typical electromechanical integrated product, and because the brushless direct current motor is operated by self control, a starting winding is not additionally arranged on a rotor like a synchronous motor which is started under heavy load under variable frequency speed regulation, and the permanent magnet of the brushless direct current motor with small and medium capacity can not generate oscillation and step-out when the load is suddenly changed, and the rare earth neodymium iron boron material with high magnetic energy level is mostly adopted at present.

In the prior art, when the brushless motor is used, the brushless motor adopts a closed shell to influence the heat dissipation of an inner rotor and a stator, and the existing heat dissipation structure has a heat dissipation effect, but the dust cannot enter the brushless motor in the heat dissipation process, and the heat dissipation structure and the brushless motor are difficult to be quickly disassembled and assembled; and need carry out peripheral hardware drive to heat radiation structure under brushless motor adopts heat radiation structure's condition, and then promote brushless motor's use energy consumption, promote brushless motor use cost.

Disclosure of Invention

The present utility model is directed to a fast heat dissipation structure for a brushless motor, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a brushless motor is with quick heat radiation structure, includes motor casing, motor circuit board and rotor, the lower extreme screwed connection of motor casing has the dismouting shell, the inside downside of dismouting shell rotates and is connected with the flabellum that ventilates, the lateral wall fixedly connected with cutting ferrule of dismouting shell, the inboard sliding connection of cutting ferrule has the cooling tube, the inside lower extreme fixedly connected with of motor casing is fixed to prop the frame, the inboard fixedly connected with motor circuit board of upper end of fixed propping the frame, the upper end of motor circuit board is equipped with the sensor, the inboard fixedly connected with rotor of sensor, rotate between rotor and the motor casing and be connected.

Preferably, the middle position of the fixed support frame is rotationally connected with a transmission clamping sleeve, the upper end of the transmission clamping sleeve is slidably connected with a transmission end head, the transmission end head is fixedly connected with the rotor, the lower end of the transmission clamping sleeve is slidably connected with a driven clamping rod, and the driven clamping rod is fixedly connected with the ventilation fan blade.

Preferably, a motor power line is fixedly connected to the lower side of the left end of the motor casing, and the motor power line is electrically connected with the motor circuit board.

Preferably, the left end rear side fixedly connected with refrigeration case of dismouting shell, the front end sealing connection of refrigeration case has miniature water pump, miniature water pump's front end sealing connection has notes liquid pipe, sealing connection between notes liquid pipe and the cooling tube, the left end rear side sealing connection of cooling tube has the back flow, sealing connection between back flow and the refrigeration case.

Preferably, the inner side of the lower end of the disassembly and assembly shell is fixedly connected with an air inlet filter screen.

Preferably, the upper end of the side wall of the motor casing is clamped with an exhaust hole, an exhaust filter screen is arranged on the inner side of the exhaust hole, and the exhaust filter screen is fixedly connected with the motor casing.

Preferably, hexagonal clamping grooves are formed in the inner sides of the upper end and the lower end of the transmission clamping sleeve.

Preferably, the inner side of the lower end of the motor shell and the outer side of the upper end of the disassembly shell are provided with connecting threads.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the ventilation fan blades, the cooling pipes and the exhaust holes, the rotation of the ventilation fan blades can enable cold air emitted by the air flow carrying cooling pipes to enter the motor casing, so that the rotor and the stator of the brushless motor can be cooled, and the heat in the air flow carrying brushless motor is exhausted through the exhaust holes, so that the brushless motor can be rapidly cooled, external dust can be prevented from entering the brushless motor through the functions of the air inlet filter screen and the exhaust filter screen, the internal cleanliness of the brushless motor is ensured, the service life of the brushless motor is further prolonged, and meanwhile, the cooling structure can be rapidly disassembled and assembled through the functions of the disassembly casing;

2. according to the utility model, through the arranged transmission clamping sleeve, the transmission end head and the return pipe, the cooling liquid in the refrigeration box can be pumped out by utilizing the action of the miniature water pump, the cooling liquid is injected into the cooling pipe through the liquid injection pipe, and the cooling liquid can enter the refrigeration box again through the return pipe, so that the cooling liquid can be recycled, and meanwhile, the rotor can drive the transmission clamping sleeve to rotate in the rotating process through the action of the transmission end head, so that the driven clamping rod can drive the ventilation fan blade to rotate, and the peripheral driving of the ventilation fan blade can be omitted, and the energy consumption and the use cost of the brushless motor can be reduced in the heat dissipation process of the brushless motor.

Drawings

FIG. 1 is a schematic view of the overall mounting structure of the present utility model;

FIG. 2 is a cross-sectional view of the mounting structure of the motor housing and the removable housing of the present utility model;

FIG. 3 is a top view of the mounting structure of the stationary support frame, motor circuit board and drive ferrule of the present utility model;

fig. 4 is a top view showing the installation structure of the cooling pipe, the refrigerating box and the micro water pump of the present utility model.

In the figure: 1. a motor housing; 2. disassembling and assembling the shell; 3. ventilation fan blades; 4. a cutting sleeve; 5. a cooling tube; 6. fixing a supporting frame; 7. a motor circuit board; 8. a sensor; 9. a rotor; 10. a transmission cutting sleeve; 11. a drive end; 12. a driven clamping rod; 13. a motor power line; 14. a refrigeration box; 15. a micro water pump; 16. a liquid injection pipe; 17. a return pipe; 18. an air inlet filter screen; 19. an exhaust hole; 20. and (5) exhausting the filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment 1 referring to fig. 1 to 4, the present utility model provides a technical solution: a quick heat radiation structure for a brushless motor comprises a motor casing 1, a motor circuit board 7 and a rotor 9, wherein the lower end of the motor casing 1 is spirally connected with a disassembly casing 2, the lower side of the inside of the disassembly casing 2 is rotationally connected with a ventilation fan blade 3, the side wall of the disassembly casing 2 is fixedly connected with a clamping sleeve 4, the inner side of the clamping sleeve 4 is slidably connected with a cooling pipe 5, the lower end of the inside of the motor casing 1 is fixedly connected with a fixed supporting frame 6, the inner side of the upper end of the fixed supporting frame 6 is fixedly connected with the motor circuit board 7, the upper end of the motor circuit board 7 is provided with a sensor 8, the inner side of the sensor 8 is fixedly connected with the rotor 9, the rotor 9 is rotationally connected with the motor casing 1, the lower side of the left end of the motor casing 1 is fixedly connected with a motor power line 13, the motor power line 13 is electrically connected with the motor circuit board 7, the inner side of the lower end of the disassembly casing 2 is fixedly connected with an air inlet filter screen 18, the upper end of the side wall of the motor casing 1 is clamped with an exhaust hole 19, the inner side of the exhaust hole 19 is provided with an exhaust filter screen 20, the exhaust filter screen 20 is fixedly connected with the motor casing 1, the inner side of the lower end of the motor casing 1 and the outer side of the upper end of the disassembly casing 2 are both provided with connecting threads, when the brushless motor is used, cold air emitted by the air flow carrying cooling pipe 5 can enter the motor casing 1 through the rotation of the ventilating fan blade 3, thereby cooling the rotor 9 and the stator of the brushless motor, and the heat in the air flow carrying brushless motor is discharged through the exhaust hole 19, and further the brushless motor can be rapidly cooled, and external dust can be prevented from entering the brushless motor through the arranged air inlet filter screen 18 and the exhaust filter screen 20, the internal neatness of the brushless motor is ensured, and the service life of the brushless motor is further prolonged, meanwhile, the radiating structure can be quickly disassembled and assembled through the effect of the disassembly and assembly shell 2.

Example 2: referring to fig. 1-4, the difference between the present embodiment and embodiment 1 is that: the middle position department of fixed frame 6 that props rotates and is connected with transmission cutting ferrule 10, the upper end sliding connection of transmission cutting ferrule 10 has transmission end 11, fixed connection between transmission end 11 and the rotor 9, the lower extreme sliding connection of transmission cutting ferrule 10 has driven clamping lever 12, fixed connection between driven clamping lever 12 and the fan blade 3 that ventilates, the left end rear side fixedly connected with refrigeration case 14 of dismouting shell 2, the front end sealing connection of refrigeration case 14 has miniature pump 15, the front end sealing connection of miniature pump 15 has annotates liquid pipe 16, annotate sealing connection between liquid pipe 16 and the cooling tube 5, the left end rear side sealing connection of cooling tube 5 has back flow 17, sealing connection between back flow 17 and the refrigeration case 14, the hexagon draw-in groove has all been seted up to transmission cutting ferrule 10's upper and lower extreme inboard, utilize miniature pump 15's effect can take out the coolant liquid in the refrigeration case 14, and pour into the cooling tube 5 into through annotating liquid pipe 16, and make the coolant liquid can get into the refrigeration case 14 in through 17 again, thereby can make the coolant liquid can recycle, simultaneously make rotor 9 drive in the effect through transmission end 11 and can drive the fan blade 10 and drive the fan blade and rotate when the fan blade and drive the fan blade and the brushless motor and can drive the fan blade and rotate, and the brushless motor can drive the fan blade and take off the cost and drive the fan blade and rotate when the fan blade is driven and can drive the fan blade and rotate, and the fan blade is driven.

The working flow is as follows: this device adopts external power supply to supply power when using, when this brushless motor uses, can make the air current carry the air conditioning that cooling tube 5 gives off to get into motor casing 1 through the rotation to ventilation fan blade 3, thereby can carry rotor 9 and the stator of brushless motor to cooling treatment, and make the air current carry the inside heat of brushless motor to discharge through exhaust hole 19, and then can carry out quick heat dissipation to brushless motor and use, and can avoid outside dust to get into inside the brushless motor through the effect of air inlet filter screen 18 and the exhaust filter screen 20 that set up, guarantee the inside clean and tidy degree of brushless motor, and then promote brushless motor's life, make heat radiation structure through the effect of dismouting shell 2 simultaneously, and utilize micro-pump 15's effect can take out the coolant liquid in the refrigeration case 14, and pour into cooling tube 5 with the coolant liquid through annotating liquid pipe 16, and make the coolant liquid can get into in the refrigeration case 14 once more through back flow pipe 17, thereby can make the coolant liquid cyclic use, simultaneously make rotor 9 can drive transmission 10 and rotate in the rotation process through the effect of transmission end 11, thereby can make driven card pole 12 can drive blade 3 and remove the rotation, and remove the fan blade 3 and remove the consumption of energy consumption when ventilation fan blade 3, and ventilation fan blade and the use of the peripheral equipment.

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

Claims (8)

1. The utility model provides a brushless motor is with quick heat radiation structure, includes motor casing (1), motor circuit board (7) and rotor (9), its characterized in that: the motor casing (1) lower extreme screwed connection has dismouting shell (2), the inside downside of dismouting shell (2) rotates and is connected with ventilation fan blade (3), the lateral wall fixedly connected with cutting ferrule (4) of dismouting shell (2), the inboard sliding connection of cutting ferrule (4) has cooling tube (5), the inside lower extreme fixedly connected with of motor casing (1) is fixed prop frame (6), the inboard fixedly connected with motor circuit board (7) of upper end of fixed prop frame (6), the upper end of motor circuit board (7) is equipped with sensor (8), the inboard fixedly connected with rotor (9) of sensor (8), rotate between rotor (9) and motor casing (1) and be connected.

2. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: the fixed intermediate position department that props frame (6) rotates and is connected with transmission cutting ferrule (10), the upper end sliding connection of transmission cutting ferrule (10) has transmission end (11), fixed connection between transmission end (11) and rotor (9), the lower extreme sliding connection of transmission cutting ferrule (10) has driven draw-in bar (12), fixed connection between driven draw-in bar (12) and ventilation fan blade (3).

3. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: the motor is characterized in that a motor power line (13) is fixedly connected to the lower side of the left end of the motor shell (1), and the motor power line (13) is electrically connected with the motor circuit board (7).

4. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: the left end rear side fixedly connected with refrigeration case (14) of dismouting shell (2), the front end sealing connection of refrigeration case (14) has miniature water pump (15), the front end sealing connection of miniature water pump (15) has notes liquid pipe (16), sealing connection between notes liquid pipe (16) and cooling tube (5), the left end rear side sealing connection of cooling tube (5) has back flow (17), sealing connection between back flow (17) and refrigeration case (14).

5. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: an air inlet filter screen (18) is fixedly connected to the inner side of the lower end of the disassembly and assembly shell (2).

6. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: the motor is characterized in that an exhaust hole (19) is clamped at the upper end of the side wall of the motor shell (1), an exhaust filter screen (20) is arranged on the inner side of the exhaust hole (19), and the exhaust filter screen (20) is fixedly connected with the motor shell (1).

7. The rapid heat dissipation structure for a brushless motor according to claim 2, wherein: hexagonal clamping grooves are formed in the inner sides of the upper end and the lower end of the transmission clamping sleeve (10).

8. The rapid heat dissipation structure for a brushless motor as claimed in claim 1, wherein: connecting threads are formed on the inner side of the lower end of the motor shell (1) and the outer side of the upper end of the disassembly shell (2).