High-efficiency energy-saving direct current brushless motor

Abstract

The invention discloses a high-efficiency energy-saving DC brushless motor, and relates to the technical field of DC brushless motors, the high-efficiency energy-saving DC brushless motor comprises a front end cover body and a rear end cover body which form a brushless motor body, and a machine body shell is fixedly installed between the front end cover body and the rear end cover body; a dust blocking mechanism is arranged in the front end cover body, the dust blocking mechanism comprises a dust blocking circular frame, and dust blocking partition plates are arranged in the dust blocking circular frame in an equal-angle sliding mode. A heat dissipation mechanism is arranged at the rear end of the rear end cover body, and heat dissipation circulating pipes are installed at the front end of the circulating water tank at equal angles in a penetrating mode. According to the high-efficiency and energy-saving type direct-current brushless motor, the brushless motor body runs to drive the dust blocking filter plate to be opened, so that the rotating dust partition plate drives the dust blocking filter plate to clean dust in a repelling manner, and meanwhile, the heat dissipation mechanism extracts heat at the corresponding drainage channel and the heat dissipation circulating pipe through negative pressure so as to assist in cooling and heat dissipation; the energy consumption of the brushless motor body is reduced and the operation efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of brushless DC motors, in particular to a high-efficiency and energy-saving brushless DC motor. Background Art

[0002] The brushless DC motor consists of three parts: the stator, the rotor, and the electronic controller. It is a mechatronic product. The electronic controller drives the stator winding to generate a rotating magnetic field, which attracts the permanent magnet rotor to rotate. It does not rely on the physical contact between the brushes and the commutator, eliminating the sparks, wear, and noise caused by mechanical friction, improving reliability and lifespan. Due to its high operating efficiency, it is widely used in home appliances, industrial equipment, and consumer electronics. The utility model with announcement number CN220291817U discloses a high-efficiency DC brushless generator. By setting positioning rings on both sides of the shell and installing fans inside them, the fans on both sides can effectively increase the air flow rate inside the shell, thereby quickly taking away the heat of the motor body and achieving the purpose of efficient heat dissipation of the motor body.

[0003] The utility model with announcement number CN220273462U discloses the overall structure of a brushless DC motor. The heat sink can absorb the heat generated by the rotor and stator magnets, and heat is conducted between the heat sink and the heat sink fins. The heat sink fins are located on the outside of the shell away from the heat sink, so that the heat sink fins can diffuse the heat absorbed by the heat sink. The motor drives the fan blades to rotate, and the rotating fan blades can drive the air flow, thereby bringing the heat inside the shell out through the flowing air flow.

[0004] However, the above-mentioned brushless DC motor still has the following problems during use: although the energy consumption of the brushless motor is reduced by adding a heat dissipation mechanism, such added heat dissipation and cooling mechanism cannot form an integrated structure with the brushless motor. Instead, it is installed on the outside of the brushless motor, which affects the heat dissipation. At the same time, the brushless motor housing usually has a large window structure to achieve heat dissipation. Such a housing easily attracts and accumulates dust, which in turn reduces the working efficiency of the brushless motor and increases the operating energy consumption.

[0005] Therefore, we propose a high-efficiency and energy-saving DC brushless motor to solve the above problems. Summary of the Invention

[0006] The purpose of the present invention is to provide a high-efficiency and energy-saving DC brushless motor, in order to solve the problem that the energy consumption of the brushless motor is reduced by adding a heat dissipation mechanism in the existing method. However, such an added heat dissipation and cooling mechanism cannot form an integrated structure with the brushless motor. Being installed on the outside of the brushless motor affects the heat dissipation. At the same time, the brushless motor housing usually has a large window structure for heat dissipation. Such a housing easily attracts and accumulates dust, which in turn leads to a decrease in the working efficiency of the brushless motor and an increase in operating energy consumption.

[0007] To achieve the above-mentioned object, the present invention provides the following technical solution: a high-efficiency and energy-saving brushless DC motor, comprising a front cover and a rear cover constituting a brushless motor body, wherein a body housing is fixedly mounted between the front cover and the rear cover; and further comprising: The front end cover is provided with a dust blocking mechanism inside, and the dust blocking mechanism includes a dust blocking circular frame, and a dust blocking partition is provided inside the dust blocking circular frame so as to slide at equal angles; The rear end of the rear end cover body is provided with a heat dissipation mechanism, and the heat dissipation mechanism includes a circulating water tank, and a heat dissipation circulating pipe is installed through the front end of the circulating water tank at an equal angle.

[0008] Preferably, the dust-blocking mechanism includes a dust-blocking filter plate, and the dust-blocking filter plate is elastically connected and slidably arranged at equal angles inside the front cover body, and the dust-blocking filter plate and the dust-blocking partition plate correspond to each other, and magnetic block assemblies are arranged on both sides of the inner end of the front side of the dust-blocking partition plate.

[0009] Preferably, the dust-blocking mechanism includes a dust-blocking filter plate, and the dust-blocking filter plate is elastically connected and slidably arranged at equal angles inside the front cover body, and the dust-blocking filter plate and the dust-blocking partition plate correspond to each other, and magnetic block assemblies are arranged on both sides of the inner end of the front side of the dust-blocking partition plate.

[0010] Preferably, a driving shaft is rotatably provided at the center position of the front cover body and the rear end cover body through a bearing, and the rear end of the driving shaft extends to the interior of the heat dissipation mechanism, a rotor core is fixedly provided on the outer wall of the driving shaft inside the fuselage shell, and a rotor winding is provided at an equal angle on the outer wall of the rotor core, and a stator body is fixedly provided at an equal angle on the inner wall of the fuselage shell.

[0011] Preferably, the dust blocking mechanism includes a positioning gear ring fixedly mounted inside the front end cover body, and a reduction gear is meshed at equal angles inside the positioning gear ring, and a transmission gear is meshed inside the reduction gear, and the transmission gear is fixedly mounted on the outer wall of the drive shaft.

[0012] Preferably, the dust blocking mechanism includes a transmission bracket, and the transmission bracket is rotatably arranged at the front end of the positioning gear ring, and the transmission bracket is connected to the reduction gear through a bearing, and the transmission bracket is fixedly connected to the inner end of the dust blocking circular frame, and at the same time, the transmission bracket drives the dust blocking circular frame and the internal dust blocking partition to rotate.

[0013] Preferably, the dust blocking mechanism includes vibration-damping pads, and the vibration-damping pads are fixedly arranged at equal angles on the inner side of the dust blocking circular frame, and the vibration-damping pads correspond one-to-one to the dust blocking partitions, and the vibration-damping pads are used to support and cushion the dust blocking partitions after centrifugal rotation and sliding. At the same time, the rotating dust blocking partitions achieve an interlaced cyclic magnetic repulsion effect on the dust blocking filter plate through the magnetic block assembly, and assist the elastically sliding dust blocking filter plate to clean the dust stuck on the front to prevent blockage and affect heat dissipation.

[0014] Preferably, the front end of the circulating water tank included in the heat dissipation mechanism is fixedly mounted on the outside of the rear end cover body, and a guide fan is fixedly installed on the outer wall of the driving shaft inside the circulating water tank, and the guide fan guides and discharges the heat inside the brushless motor body from front to back in a negative pressure manner.

[0015] Preferably, the front end of the heat dissipation circulation tube included in the heat dissipation mechanism extends to the outside of the body shell, and the heat dissipation circulation tube realizes heat exchange circulation heat dissipation through a circulating water tank connected through it, and the circulating water tank pumps the refrigerant into the heat dissipation circulation tube for circulation cooling.

[0016] Preferably, the heat dissipation mechanism includes a drainage channel, and the drainage channel is opened at an equal angle on the inner side of the circulating water tank close to the fuselage shell, and the middle part of the drainage channel and the cavity where the guide fan is installed inside the fuselage shell are interconnected, and the drainage channel guides the air through the guide fan to assist the heat dissipation circulation pipe in heat dissipation.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the high-efficiency and energy-saving brushless DC motor drives the dust filter plate to open through the operation of the brushless motor body, so that the rotating dust screen drives the dust filter plate to clean the dust by repulsion. At the same time, the heat dissipation mechanism extracts heat from the corresponding drainage channel and the heat dissipation circulation pipe through negative pressure to assist in cooling and heat dissipation, thereby reducing the energy consumption of the brushless motor body and improving the operating efficiency. The specific contents are as follows: 1. The driving shaft drives the transmission gear to rotate, and the meshing reduction gear is limited by the positioning gear ring, driving the transmission bracket to rotate at a reduced speed, so that the dust blocking baffle on the inner side of the guide slide rod inside the dust blocking circular frame is affected by the centrifugal force during the rotation process, and slides outward to the vibration damping pad at the outer end of the guide slide rod, thereby opening the dust blocking filter plate originally shielded inside the front end cover body, and realizing air intake and heat dissipation through the dust blocking filter plate.

[0018] 2. The dust filter plate filters the dust in the intake air. At the same time, the dust baffle drives the magnetic block assembly to slide toward the outer end so as to correspond to the dust filter plate. The magnetic block assembly intermittently repels the dust filter plate, causing the dust filter plate to slide back and forth inside the front cover to shake off the sticky dust, preventing dust accumulation from clogging the intake channel and affecting the heat dissipation effect of the brushless motor body.

[0019] 3. The circulating water tank pumps the coolant to the heat dissipation circulation pipe for circulation, exchanging the heat dissipated to the outside of the fuselage shell. At the same time, the driving shaft inside the fuselage shell 4 drives the guide fan to rotate, so that the guide fan forms a negative pressure inside the fuselage shell, and then draws air from the outside through the opened drainage channel. The outer end of the drainage channel corresponds to the heat dissipation circulation pipe, so as to assist the heat dissipation circulation pipe to disperse the heat, reduce the energy consumption of the brushless motor body and improve the operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the installation structure of the circulating water tank of the present invention; Figure 3 This is a schematic diagram of the installation structure of the rotor core and the stator body of the present invention; Figure 4 This is a schematic diagram of the three-dimensional structure of the heat dissipation circulation pipe of the present invention; Figure 5 For the present invention Figure 4 A in the middle is an enlarged structural diagram; Figure 6 This is a schematic diagram of the structure of the dust barrier after sliding; Figure 7 This is a schematic diagram of the three-dimensional structure of the dust-blocking circular frame of the present invention; Figure 8 For the present invention Figure 7 The enlarged structural diagram at B in the middle; Figure 9 This is a schematic diagram of the structure of the dust barrier in the initial position of the present invention; Figure 10 For the present invention Figure 9 The enlarged structural diagram at C in the middle; Figure 11 This is a schematic diagram of the distribution structure of the dust-blocking filter plate and the dust-blocking partition plate of the present invention.

[0021] In the figure: 1. Brushless motor body; 2. Front cover; 3. Rear cover; 4. Body shell; 5. Dust-blocking round frame; 6. Dust-blocking baffle; 7. Circulating water tank; 8. Heat dissipation circulation pipe; 9. Dust-blocking filter plate; 10. Magnetic block assembly; 11. Guide slide bar; 12. Drive shaft; 13. Rotor core; 14. Rotor winding; 15. Stator body; 16. Positioning gear ring; 17. Reduction gear; 18. Transmission gear; 19. Transmission bracket; 20. Vibration-damping pad; 21. Guide fan; 22. Drainage channel. DETAILED DESCRIPTION

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the implementation regulations described are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0023] See also Figures 1-11 , the present invention provides the following technical solutions: Embodiment 1: In order to solve the problems existing in the use of existing brushless motors, this embodiment adopts the following technical solution: a high-efficiency and energy-saving DC brushless motor, including a front cover body 2 and a rear cover body 3 that constitute a brushless motor body 1, and a body shell 4 is fixedly installed between the front cover body 2 and the rear cover body 3; a driving shaft 12 is rotatably provided at the center position of the front cover body 2 and the rear cover body 3 through a bearing, and the rear end of the driving shaft 12 extends to the interior of the heat dissipation mechanism, a rotor core 13 is fixedly provided on the outer wall of the driving shaft 12 inside the body shell 4, and a rotor winding 14 is provided at equal angles on the outer wall of the rotor core 13, and a stator body 15 is fixedly provided at equal angles on the inner wall of the body shell 4.

[0024] like Figure 1-Figure 3 As shown, the brushless motor body 1 is connected to the control module through the three-phase lead at the top, and then transmitted to the rotor winding 14 on the outer wall of the rotor core 13 inside the fuselage shell 4 after power is turned on, so that electromagnetic exchange is achieved between it and the stator body 15 distributed at equal angles, thereby driving the rotor core 13 and the driving shaft 12 to rotate, and the driving shaft 12 is connected to the external equipment to realize the driving operation.

[0025] Example 2: In order to solve the problems existing in the use of existing brushless motors, this embodiment adopts the following technical solutions: a dust-blocking mechanism is provided inside the front cover body 2, and the dust-blocking mechanism includes a dust-blocking circular frame 5, and a dust-blocking partition 6 is provided inside the dust-blocking circular frame 5 for sliding at equal angles; the dust-blocking mechanism includes a dust-blocking filter plate 9, and the dust-blocking filter plate 9 is elastically connected and slidably provided inside the front cover body 2 at equal angles, and the dust-blocking filter plate 9 corresponds to the dust-blocking partition 6, and magnetic block assemblies 10 are provided on both sides of the inner end of the front side of the dust-blocking partition 6.

[0026] The dust blocking mechanism includes a positioning gear ring 16 fixedly mounted inside the front end cover body 2, and a reduction gear 17 is equiangularly meshed inside the positioning gear ring 16, and a transmission gear 18 is meshed inside the reduction gear 17, and the transmission gear 18 is fixedly mounted on the outer wall of the driving shaft 12.

[0027] The dust-blocking mechanism includes a transmission bracket 19, and the transmission bracket 19 is rotatably arranged at the front end of the positioning gear ring 16, and the transmission bracket 19 is connected to the reduction gear 17 through a bearing, and the transmission bracket 19 is fixedly connected to the inner end of the dust-blocking circular frame 5. At the same time, the transmission bracket 19 drives the dust-blocking circular frame 5 and the internal dust-blocking partition 6 to rotate.

[0028] The dust-blocking mechanism includes a vibration-damping pad 20, and the vibration-damping pad 20 is fixedly arranged at an equal angle on the inner side of the dust-blocking circular frame 5, and the vibration-damping pad 20 corresponds to the dust-blocking partition 6 one by one, and the vibration-damping pad 20 is used to support and cushion the dust-blocking partition 6 after centrifugal rotation and sliding. At the same time, the rotating dust-blocking partition 6 realizes an interlaced cyclic magnetic repulsion effect for the dust-blocking filter plate 9 through the magnetic block assembly 10, and assists the elastically sliding dust-blocking filter plate 9 to clean the dust sticking to the front to prevent blockage and affect heat dissipation.

[0029] The dust blocking mechanism includes a guide slide 11, and the guide slide 11 is fixedly installed at equal angles inside the dust blocking circular frame 5, and the guide slide 11 set at equal angles slides through the center position inside the dust blocking partition 6, and the dust blocking partition 6 slides outward by the centrifugal action of rotation, and then the dust blocking filter plate 9 is repelled by the magnetic block assembly 10 on the front of the dust blocking partition 6 and is caused to slide.

[0030] like Figure 6 、 Figure 9-10As shown, the driving shaft 12 drives the transmission gear 18 inside the front end cover body 2 to rotate, so that it engages with the reduction gear 17 on the outside and is limited by the positioning gear ring 16 during the rotation, so that the reduction gear 17 drives the transmission bracket 19 connected to the front end bearing to rotate at a reduced speed during the rotation and revolution, so that the transmission bracket 19 drives the dust-blocking circular frame 5 fixedly connected to the front end. The dust-blocking baffle 6 slidingly installed on the inner side of the guide slide bar 11 inside the dust-blocking circular frame 5 is affected by the centrifugal force during the rotation, and the rotating dust-blocking baffle 6 slides outward to the vibration-damping pad 20 at the outer end of the guide slide bar 11, thereby opening the dust-blocking filter plate 9 that was originally shielded inside the front end cover body 2, and then the air intake and heat dissipation can be achieved through the dust-blocking filter plate 9.

[0031] Furthermore, the uncovered dust filter plate 9 filters the dust in the intake air, causing the dust to stick to the outside of the dust filter plate 9. At the same time, the rotating dust baffle 6 drives the magnetic block assembly 10 arranged on the inner side to slide toward the outer end, so that the magnetic block assembly 10 and the dust filter plate 9 correspond to each other, and then during the rotation process, the dust filter plate 9 is intermittently repelled by the magnetic block assembly 10, causing the dust filter plate 9 to slide back and forth inside the front end cover 2, so as to shake off the sticky dust, thereby preventing dust accumulation from causing blockage of the air intake channel and affecting the heat dissipation effect of the brushless motor body 1.

[0032] Example 3: In order to solve the problems existing in the use of existing brushless motors, this embodiment adopts the following technical solution: a heat dissipation mechanism is provided at the rear end of the rear end cover body 3, and the heat dissipation mechanism includes a circulating water tank 7, and a heat dissipation circulation pipe 8 is installed at an equal angle through the front end of the circulating water tank 7; the front end of the circulating water tank 7 included in the heat dissipation mechanism is fixedly sleeved on the outside of the rear end cover body 3, and a guide fan 21 is fixedly installed on the outer wall of the driving shaft 12 inside the circulating water tank 7, and the guide fan 21 guides and discharges the heat inside the brushless motor body 1 from front to back in a negative pressure manner.

[0033] The front end of the heat dissipation circulation pipe 8 included in the heat dissipation mechanism extends to the outside of the fuselage shell 4, and the heat dissipation circulation pipe 8 realizes heat exchange and circulation heat dissipation through the circulating water tank 7 connected thereto, and the circulating water tank 7 pumps the refrigerant into the heat dissipation circulation pipe 8 for circulation and cooling; the heat dissipation mechanism includes a drainage channel 22, and the drainage channel 22 is opened at equal angles on the inner side of the circulating water tank 7 close to the fuselage shell 4, and the middle part of the drainage channel 22 is interconnected with the cavity of the guide fan 21 installed inside the fuselage shell 4, and the drainage channel 22 guides air through the guide fan 21 to assist the heat dissipation of the heat dissipation circulation pipe 8.

[0034] like Figure 2 、 Figure 4-Figure 5As shown, the circulating water tank 7 installed at the rear end of the brushless motor body 1 transports the coolant to the through-connected heat dissipation circulation pipe 8 for circulation by pumping, and exchanges the heat dissipated to the outside of the fuselage shell 4 through the distribution path of the heat dissipation circulation pipe 8. At the same time, the driving shaft 12 inside the fuselage shell 4 drives the guide fan 21 to rotate, so that the guide fan 21 forms a negative pressure inside the fuselage shell 4, and then the negative pressure fuselage shell 4 draws air from the outside through the opened drainage channel 22. The outer end of the drainage channel 22 corresponds to the heat dissipation circulation pipe 8, so as to assist the heat dissipation circulation pipe 8 to disperse the heat, reduce the energy consumption of the brushless motor body 1 and improve the operating efficiency.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A high-efficiency and energy-saving DC brushless motor, comprising a front cover (2) and a rear cover (3) constituting a brushless motor body (1), wherein a body shell (4) is fixedly mounted between the front cover (2) and the rear cover (3); It is characterized by: Also includes: A dust blocking mechanism is provided inside the front end cover (2), and the dust blocking mechanism includes a dust blocking circular frame (5), and a dust blocking partition (6) is provided inside the dust blocking circular frame (5) in an equiangularly slidable manner. The rear end of the rear end cover (3) is provided with a heat dissipation mechanism, and the heat dissipation mechanism includes a circulating water tank (7), and a heat dissipation circulation pipe (8) is installed at an equal angle through the front end of the circulating water tank (7).

2. The high-efficiency energy-saving brushless DC motor according to claim 1, characterized in that: The dust blocking mechanism includes a dust blocking filter plate (9), and the dust blocking filter plate (9) is elastically connected and slidably arranged inside the front end cover (2) at equal angles, and the dust blocking filter plate (9) and the dust blocking partition (6) correspond to each other, and magnetic block assemblies (10) are provided on both left and right sides of the inner end of the front side of the dust blocking partition (6).

3. The high-efficiency and energy-saving brushless DC motor according to claim 2, characterized in that: The dust blocking mechanism includes a guide slide bar (11), and the guide slide bar (11) is fixedly installed at an equal angle inside the dust blocking circular frame (5), and the guide slide bar (11) arranged at an equal angle slides through the center position inside the dust blocking partition (6), and the dust blocking partition (6) slides outward due to the centrifugal effect of rotation, and then the dust blocking filter plate (9) is repelled by the magnetic block assembly (10) on the front side of the dust blocking partition (6) and is caused to slide.

4. The high-efficiency and energy-saving brushless DC motor according to claim 1, characterized in that: A driving shaft (12) is rotatably provided at the center of the front cover (2) and the rear cover (3) via a bearing, and the rear end of the driving shaft (12) extends to the interior of the heat dissipation mechanism; a rotor core (13) is fixedly provided on the outer wall of the driving shaft (12) inside the body shell (4); a rotor winding (14) is provided on the outer wall of the rotor core (13) at an equal angle; and a stator body (15) is fixedly provided on the inner wall of the body shell (4) at an equal angle.

5. The high-efficiency and energy-saving brushless DC motor according to claim 1, characterized in that: The dust blocking mechanism includes a positioning toothed ring (16) fixedly mounted inside the front end cover (2), a reduction gear (17) is provided in meshing engagement with the interior of the positioning toothed ring (16) at equal angles, a transmission gear (18) is provided in meshing engagement with the inner side of the reduction gear (17), and the transmission gear (18) is fixedly mounted on the outer wall of the driving shaft (12).

6. The high-efficiency and energy-saving brushless DC motor according to claim 5, characterized in that: The dust blocking mechanism includes a transmission bracket (19), and the transmission bracket (19) is rotatably arranged at the front end of the positioning gear ring (16), and the transmission bracket (19) is connected to the reduction gear (17) through a bearing, and the transmission bracket (19) is fixedly connected to the inner end of the dust blocking circular frame (5), and at the same time, the transmission bracket (19) drives the dust blocking circular frame (5) and the internal dust blocking partition (6) to rotate.

7. The high-efficiency and energy-saving brushless DC motor according to claim 1, characterized in that: The dust blocking mechanism includes a vibration-damping pad (20), and the vibration-damping pad (20) is fixedly arranged at an equal angle on the inner side of the dust blocking circular frame (5), and the vibration-damping pad (20) corresponds to the dust blocking partition (6) one by one, and the vibration-damping pad (20) is used to support and cushion the dust blocking partition (6) after centrifugal rotation and sliding. At the same time, the rotating dust blocking partition (6) realizes an interlaced cyclic magnetic repulsion effect on the dust blocking filter plate (9) through the magnetic block assembly (10), and assists the elastic sliding dust blocking filter plate (9) to clean the dust sticking to the front to prevent clogging and affect heat dissipation.

8. The high-efficiency and energy-saving brushless DC motor according to claim 1, characterized in that: The front end of the circulating water tank (7) included in the heat dissipation mechanism is fixedly sleeved on the outside of the rear end cover (3), and a guide fan (21) is fixedly installed on the outer wall of the driving shaft (12) inside the circulating water tank (7), and the guide fan (21) guides and discharges the heat inside the brushless motor body (1) from front to back in a negative pressure manner.

9. The high-efficiency energy-saving brushless DC motor according to claim 8, characterized in that: The front end of the heat dissipation circulation pipe (8) included in the heat dissipation mechanism extends to the outside of the body shell (4), and the heat dissipation circulation pipe (8) realizes heat dissipation by heat exchange through the circulating water tank (7) connected thereto, and the circulating water tank (7) pumps the refrigerant into the heat dissipation circulation pipe (8) for circulation cooling.

10. The high-efficiency and energy-saving brushless DC motor according to claim 9, characterized in that: The heat dissipation mechanism includes a drainage channel (22), and the drainage channel (22) is opened at an equal angle on the inner side of the circulating water tank (7) close to the fuselage shell (4), and the middle part of the drainage channel (22) and the cavity of the fuselage shell (4) where the guide fan (21) is installed are mutually connected, and the drainage channel (22) guides air through the guide fan (21) to assist the heat dissipation circulation pipe (8) in heat dissipation.

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