A direct current motor with temperature control function

Abstract

The application discloses a direct-current motor with a temperature control function, and relates to the technical field of direct-current motors, which comprises a shell module, a power cavity and a driving motor.

Description

Technical Field

[0001] This invention relates to the field of DC motor technology, specifically a DC motor with temperature control function. Background Technology

[0002] A DC motor is a rotary electric motor that converts direct current electrical energy into mechanical energy or vice versa; it is a motor capable of converting between direct current electrical energy and mechanical energy. When it operates as an electric motor, it is a DC motor, converting electrical energy into mechanical energy; when it operates as a generator, it is a DC generator, converting mechanical energy into electrical energy. DC motors are widely used in household appliances such as floor scrubbers. The DC motors used in floor scrubbers are usually integrated with the housing module, allowing for modular assembly during installation and improving installation efficiency. However, the housing module typically only uses a single motor to drive the roller brush, which merely transports dirt from the floor and cannot effectively work in conjunction with the scrubbing components of the floor scrubber. Furthermore, because the DC motor is enclosed in the housing module, it cannot dissipate heat effectively, resulting in low heat dissipation efficiency and a tendency to overheat. Summary of the Invention

[0003] The purpose of this invention is to provide a DC motor with temperature control function to solve the problems mentioned in the prior art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: A DC motor with temperature control function includes a housing module. A power cavity is provided on one side of the housing module, and a drive motor is provided in the power cavity. A drive shaft is provided on one side of the drive motor, and a drive gear is provided on the drive shaft. A first driven gear and a second driven gear are respectively meshed on both sides of the drive gear. A rotating groove is provided on the side of the housing module near the first driven gear, and a conveying cavity is provided on the side of the housing module near the second driven gear.

[0005] The drive motor rotates under the control of the controller, which in turn drives the drive shaft to rotate. During the rotation of the drive shaft, the drive gear rotates, and the drive gear meshes with the first driven gear and the second driven gear. The first driven gear and the second driven gear rotate. During the rotation of the first driven gear, the roller brush rotates, and during the rotation of the second driven gear, the rotating shaft rotates, which in turn drives the water flow. During the water flow, the rotating shaft and the conveying chamber cooperate to generate heat in the conveying chamber, which is then transferred to the water, thereby heating the water and improving the cleaning effect of the floor scrubber.

[0006] Preferably, a fixed wheel is provided on the side of the first driven gear away from the power chamber, and the fixed wheel is used to fix the roller brush.

[0007] The first driven gear rotates under the action of the driving gear. During the rotation of the first driven gear, it drives the fixed wheel to rotate. During the rotation of the fixed wheel, it drives the roller brush to rotate. During the rotation of the roller brush, it transports the impurities on the ground to the side closer to the dust collection tank.

[0008] Preferably, a rotating shaft is provided on the side of the second driven gear away from the power cavity. The rotating shaft is rotatably connected to the conveying cavity. Two helical grooves are provided on the shaft wall of the rotating shaft, and the helical directions of the two helical grooves are opposite.

[0009] The second driven gear rotates under the action of the driving gear. During the rotation of the second driven gear, it drives the rotating shaft to rotate. During the rotation of the rotating shaft, it drives the spiral groove to rotate. Since the spiral directions of the two spiral grooves are opposite, when the spiral groove rotates, the sliding ring that is driven by the spiral groove moves under the action of the spiral groove. The sliding ring reciprocates along the axis of the rotating shaft in the conveying cavity.

[0010] Preferably, the rotating shaft has a plurality of magnets inside, the conveying cavity has a coil winding inside, the rotating shaft has a sliding ring, the inner wall of the sliding ring is slidably connected to the rotating shaft through a spiral groove, and the outer wall of the sliding ring is slidably connected to the conveying cavity.

[0011] The rotating shaft is driven by the second driven gear. Several magnets are installed inside the rotating shaft, and a coil winding is installed inside the conveying chamber. As the rotating shaft rotates, the magnets revolve around the axis of the rotating shaft. During this rotation, the magnets continuously cut the magnetic field lines of the coil winding, generating an induced magnetic field between the coil winding and the magnets. This induced current in the coil winding generates heat, which is then transferred through the conveying chamber to the rotating shaft and the interior of the conveying chamber. Since the water source first flows through the water pipe and then through the conveying chamber, the water flows multiple times within the conveying chamber, increasing the contact time between the water source and the conveying chamber. This prolongs the time it takes for the water to heat up, allowing it to reach the temperature needed to soften impurities and sludge more quickly, thus improving the cleaning effect of the floor scrubber.

[0012] Preferably, a sliding sleeve is provided on the side of the rotating shaft away from the second driven gear, a water supply pipe is provided inside the rotating shaft, the sliding sleeve is connected to the water supply pipe, a plurality of water outlets are provided on the side of the water supply pipe away from the sliding sleeve, the water supply pipe is connected to the conveying chamber through the water outlets, the sliding sleeve is connected to an external water source through a pipe, and a water supply port is provided on the side of the conveying chamber near the sliding sleeve.

[0013] External water is transported to the sliding sleeve through a pipe, and then the water is transported to the water supply pipe through the sliding sleeve. The water flows from the side of the water supply pipe near the sliding sleeve to the outlet, and then the water is transported from the outlet to the supply chamber through the water supply pipe. The water is then transported from the side of the supply chamber near the second driven gear to the side of the supply chamber near the sliding sleeve, and finally discharged outward through the water supply outlet.

[0014] Preferably, a dust collection groove is provided between the rotating groove and the conveying chamber, the rotating groove and the dust collection groove are connected, and a plurality of telescopic openings are provided on the side of the dust collection groove near the conveying chamber, and the plurality of telescopic openings are arranged at equal intervals along the axis of the dust collection groove.

[0015] Preferably, the telescopic opening is provided with a sliding block and a cutter. The sliding block is located on the side of the telescopic opening closer to the conveying cavity, and the cutter is located on the side of the sliding block away from the conveying cavity. A plurality of springs are provided on the side of the telescopic opening away from the sliding block, and the sliding block is slidably connected to the telescopic opening through the springs.

[0016] Because the sliding ring reciprocates along the axis of the conveying cavity under the action of the rotating shaft, and a magnet is installed inside the sliding ring and a magnet is also installed inside the sliding block, when the sliding ring has not moved to the vicinity of one of the telescopic openings, the sliding block is located at the innermost end of the telescopic opening under the elastic force of the spring. As the sliding ring moves, since the magnetic poles of the magnets on the opposite side of the sliding block and the sliding ring are the same, a magnetic pole repulsion will occur between the sliding ring and the sliding block. As a result, the sliding block will move along the side of the telescopic opening and move towards the side of the telescopic opening closer to the dust collection groove. During the movement of the sliding block, the cutter moves and then extends from the telescopic opening. After the cutter extends into the dust collection groove, it may cut off the impurities in the dust collection groove, thereby preventing the impurities from clogging and knotting in the dust collection groove, thus affecting the heat dissipation and conveying effect of the housing module.

[0017] Preferably, a magnet is provided inside the sliding block, and a magnet is also provided inside the sliding ring, and the magnetic poles of the magnets on the opposite side of the sliding block and the sliding ring are the same.

[0018] Preferably, a moving channel is provided on the side of the conveying chamber away from the dust collection groove, a moving block is provided in the moving channel, the moving block is slidably connected to the moving channel, a magnet is also provided in the moving block, the magnetic poles of the magnet on the side of the moving block opposite to the sliding ring are opposite, a corrugated plate is provided on the side of the moving channel away from the conveying chamber, and a vibrating rod is provided on the side of the moving block close to the corrugated plate.

[0019] As the sliding ring moves, the magnetic poles of the magnets on the opposite side of the sliding ring and the moving block are opposite, creating a magnetic attraction between them. As the sliding ring moves along the axis of rotation, the magnetic force generated by the magnets inside the sliding ring attracts the moving block, causing it to reciprocate along the side of the track. This movement of the moving block drives the vibrating rod to move. The vibrating rod moves in contact with the wave plate, causing it to undulate with the rise and fall of the wave plate. This reciprocating impact of the vibrating rod on the ground generates vibration, making it easier for residual dirt to detach from the ground under the influence of hot water and vibration, thus further improving the cleaning effect of the floor scrubber.

[0020] Preferably, the power chamber has several connecting holes on the side near the dust collection groove, and the power chamber is connected to the dust collection groove through the connecting holes. The power chamber has several heat dissipation holes on the side away from the dust collection groove, and a filter screen is installed in the heat dissipation holes. The drive shaft has a fan blade on the side near the dust collection groove.

[0021] The floor scrubber's air pump is connected to the suction tank via a pipe. When the air pump starts, the airflow velocity in the suction tank is high, resulting in lower pressure. Meanwhile, the power chamber, housing a drive motor, experiences continuous operation, causing heat to rise and pressure to increase. During airflow within the suction tank, air from the power chamber is transported to and from the suction tank through connecting holes, and then exhausted through the suction tank. Outside air flows towards the power chamber through cooling vents, completing air circulation within the power chamber. This effectively reduces the failure rate caused by motor overheating and improves heat dissipation efficiency within the power chamber. Furthermore, the rotation of the drive shaft drives the fan blades, further accelerating airflow within the power chamber and enhancing heat dissipation.

[0022] Compared with the prior art, the beneficial effects of the present invention are: 1. By setting a drive motor, rotating groove, and conveying chamber in the housing module, the drive motor can not only drive the fixed wheel to rotate, but also drive the rotating shaft to rotate. After the housing module is installed on the floor scrubber, it can not only transport impurities from the ground, but also heat the water in the conveying chamber, thereby facilitating the subsequent cleaning of the floor. At the same time, by using the power chamber to connect with the dust collection groove through the connecting hole, the heat generated by the drive motor can be effectively transferred out, thereby improving the heat dissipation effect of the drive motor.

[0023] 2. The rotating shaft drives the sliding ring to move, so that the magnet inside the sliding ring interacts with the sliding block and the moving block respectively. This not only achieves the effect of cutting impurities, but also causes the moving block to drive the vibrating rod to move, and hammers the ground during the movement, thereby producing a vibration effect.

[0024] 3. By rotating the shaft, the shaft continuously cuts the magnetic field lines of the coil winding inside the delivery cavity, causing it to generate an induced current, which in turn generates heat. By changing the rotation speed of the shaft, the strength of the induced current can be controlled, thereby achieving the effect of heat control.

[0025] 4. The gas flow rate in the dust collection tank is relatively high, resulting in lower pressure. Meanwhile, the power chamber contains a drive motor, which operates continuously, causing heat to rise and consequently increasing pressure. During airflow within the dust collection tank, air from the power chamber is transported to the dust collection tank through the connecting holes and then discharged through the dust collection tank. Outside air flows towards the side of the power chamber through the heat dissipation holes, thus completing the air circulation within the power chamber. This effectively reduces the failure rate caused by motor overheating and improves the heat dissipation efficiency of the housing module. Furthermore, the rotation of the drive shaft also drives the fan blades, further accelerating airflow within the power chamber and enhancing its heat dissipation effect. Attached Figure Description

[0026] Figure 1 This is a perspective view of the present invention; Figure 2 This is a side cross-sectional view of the present invention; Figure 3 This is a cross-sectional structural diagram of the present invention; Figure 4 This is a schematic diagram of the rotating shaft. Figure 5 This is a schematic diagram of gear meshing. Figure 6 for Figure 2 Enlarged view of point A in the middle; In the diagram: 1. Housing module; 11. Power chamber; 12. Drive motor; 13. Drive shaft; 14. Drive gear; 15. First driven gear; 16. Second driven gear; 17. Rotating groove; 18. Conveying chamber; 19. Dust collection groove; 2. Fixed wheels; 3. Rotating shaft; 31. Spiral groove; 32. Sliding ring; 33. Sliding sleeve; 34. Water supply pipe; 35. Water outlet; 36. Telescopic port; 37. Sliding block; 38. Cutter; 39. Moving track; 40. Moving block; 41. Corrugated plate. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0028] Example: Figures 1-6 As shown, the present invention provides a DC motor technical solution with temperature control function, including a housing module 1. A power cavity 11 is provided on one side of the housing module 1, and a drive motor 12 is provided in the power cavity 11. A drive shaft 13 is provided on one side of the drive motor 12, and a drive gear 14 is provided on the drive shaft 13. A first driven gear 15 and a second driven gear 16 are respectively meshed on both sides of the drive gear 14. A rotating groove 17 is provided on the side of the housing module 1 near the first driven gear 15, and a conveying cavity 18 is provided on the side of the housing module 1 near the second driven gear 16.

[0029] In one specific embodiment of the present invention, a fixed wheel 2 is provided on the side of the first driven gear 15 away from the power cavity 11, and the fixed wheel 2 is used to fix the roller brush.

[0030] In one specific embodiment of the present invention, a rotating shaft 3 is provided on the side of the second driven gear 16 away from the power cavity 11. The rotating shaft 3 is rotatably connected to the conveying cavity 18. Two spiral grooves 31 are provided on the shaft wall of the rotating shaft 3, and the spiral directions of the two spiral grooves 31 are opposite.

[0031] In one specific embodiment of the present invention, a plurality of magnets are provided inside the rotating shaft 3, a coil winding is provided inside the conveying cavity 18, a sliding ring 32 is provided on the rotating shaft 3, the inner wall of the sliding ring 32 is slidably connected to the rotating shaft 3 through a spiral groove 31, and the outer wall of the sliding ring 32 is slidably connected to the conveying cavity 18.

[0032] In one specific embodiment of the present invention, a sliding sleeve 33 is provided on the side of the rotating shaft 3 away from the second driven gear 16, a water supply pipe 34 is provided inside the rotating shaft 3, the sliding sleeve 33 is connected to the water supply pipe 34, a plurality of water outlets 35 are provided on the side of the water supply pipe 34 away from the sliding sleeve 33, the water supply pipe 34 is connected to the conveying chamber 18 through the water outlets 35, the sliding sleeve 33 is connected to an external water source through a pipe, and a water outlet is provided on the side of the conveying chamber 18 near the sliding sleeve 33.

[0033] In one specific embodiment of the present invention, a dust collection groove 19 is provided between the rotating groove 17 and the conveying cavity 18. The rotating groove 17 and the dust collection groove 19 are connected. A plurality of telescopic openings 36 are provided on the side of the dust collection groove 19 near the conveying cavity 18. The plurality of telescopic openings 36 are arranged equidistantly along the axis of the dust collection groove 19.

[0034] In one specific embodiment of the present invention, the power chamber 11 is provided with a plurality of connecting holes on the side near the dust collection groove 19, the power chamber 11 is connected to the dust collection groove 19 through the connecting holes, the power chamber 11 is provided with a plurality of heat dissipation holes on the side away from the dust collection groove 19, and a filter screen is provided in the heat dissipation holes, and a fan blade is provided on the side of the drive shaft 13 near the dust collection groove 19.

[0035] In one specific embodiment of the present invention, a sliding block 37 and a cutter 38 are provided inside the telescopic opening 36. The sliding block 37 is located on the side of the telescopic opening 36 closer to the conveying cavity 18, and the cutter 38 is located on the side of the sliding block 37 away from the conveying cavity 18. A plurality of springs are provided on the side of the telescopic opening 36 away from the sliding block 37, and the sliding block 37 is slidably connected to the telescopic opening 36 through the springs.

[0036] In one specific embodiment of the present invention, a magnet is provided inside the sliding block 37 and a magnet is also provided inside the sliding ring 32, and the magnetic poles of the magnets on the opposite side of the sliding block 37 and the sliding ring 32 are the same.

[0037] In one specific embodiment of the present invention, a moving channel 39 is provided on the side of the conveying cavity 18 away from the dust collection groove 19. A moving block 40 is provided in the moving channel 39. The moving block 40 is slidably connected to the moving channel 39. A magnet is also provided in the moving block 40. The magnetic poles of the magnet on the side of the moving block 40 opposite to those on the side opposite to the sliding ring 32 are opposite. A wave plate 41 is provided on the side of the moving channel 39 away from the conveying cavity 18. A vibration rod is provided on the side of the moving block 40 close to the wave plate 41.

[0038] The rotation speed of the motor can be adjusted using the relevant controller or control handle of the floor scrubber, thereby adjusting the rotation speed of the rotating shaft.

[0039] Working principle of the invention: A DC motor with temperature control function includes a housing module 1. A power cavity 11 is provided on one side of the housing module 1. A drive motor 12 is provided in the power cavity 11. A drive shaft 13 is provided on one side of the drive motor 12. A drive gear 14 is provided on the drive shaft 13. A first driven gear 15 and a second driven gear 16 are respectively meshed on both sides of the drive gear 14. A rotating groove 17 is provided on the side of the housing module 1 near the first driven gear 15. A conveying cavity 18 is provided on the side of the housing module 1 near the second driven gear 16.

[0040] The drive motor 12 rotates under the action of the controller, and the drive motor 12 then drives the drive shaft 13 to rotate. During the rotation of the drive shaft 13, the drive gear 14 rotates. The drive gear 14 meshes with the first driven gear 15 and the second driven gear 16 respectively, and the first driven gear 15 and the second driven gear 16 rotate. The first driven gear 15 rotates under the action of the driving gear 14. During the rotation of the first driven gear 15, the fixed wheel 2 rotates. During the rotation of the fixed wheel 2, the roller brush rotates. During the rotation of the roller brush, the impurities on the ground are transported to the side close to the dust collection tank 19. The second driven gear 16 rotates under the action of the driving gear 14. During the rotation of the second driven gear 16, the rotating shaft 3 rotates. During the rotation of the rotating shaft 3, the spiral groove 31 rotates. Since the spiral directions of the two spiral grooves 31 are opposite, when the spiral groove 31 rotates, the sliding ring 32 that is spirally driven with it moves under the action of the spiral groove 31. The sliding ring 32 reciprocates along the axis of the rotating shaft 3 in the conveying cavity 18. External water is transported to the sliding sleeve 33 through a pipe, and then the water is transported to the water supply pipe 34 through the sliding sleeve 33. The water flows from the side of the water supply pipe 34 near the sliding sleeve 33 to the outlet 35. Then the water is transported from the outlet 35 to the supply chamber 18 through the water supply pipe 34, and then from the side of the supply chamber 18 near the second driven gear 16 to the side of the supply chamber 18 near the sliding sleeve 33. Finally, it is discharged outward through the water supply outlet. The rotating shaft 3 is driven to rotate by the second driven gear 16. In addition, the rotating shaft 3 is equipped with several magnets inside, and the conveying cavity 18 is equipped with coil windings inside. As the rotating shaft 3 rotates, it drives several magnets to rotate. The magnets revolve around the axis of the rotating shaft 3. During the rotation of the magnets, they continuously cut the magnetic field lines of the coil windings, thereby generating an induced magnetic field between the coil windings and the magnets. This generates an induced current in the coil windings. Due to the generation of the induced current, the coil windings also generate a certain amount of heat. The heat is then transferred to the rotating shaft 3 and the interior of the conveying cavity 18 through the conveying cavity 18. Since the water source first flows through the water pipe 34 and then through the interior of the conveying cavity 18, the water source achieves multiple flows in the conveying cavity 18, thereby increasing the contact time between the water source and the conveying cavity 18, thus prolonging the time for the water source to be heated and heated, so that the water source can reach the temperature for softening impurities and sludge more quickly. As the sliding ring 32 reciprocates along the axis of the conveying cavity 18 under the action of the rotating shaft 3, and a magnet is provided inside the sliding ring 32, and a magnet is also provided inside the sliding block 37, when the sliding ring 32 has not moved to the vicinity of one of the telescopic openings 36, the sliding block 37 is located at the innermost end of the telescopic opening 36 under the action of the spring force. As the sliding ring 32 moves, since the magnetic poles of the magnets on the opposite side of the sliding block 37 and the sliding ring 32 are the same, a magnetic pole repulsion effect will be generated between the sliding ring 32 and the sliding block 37. As a result, the sliding block 37 will move along the side of the telescopic opening 36. The sliding block 37 moves towards the side of the telescopic opening 36 closer to the dust collection groove 19. During the movement of the sliding block 37, the cutter 38 moves. The cutter 38 then extends out from the telescopic opening 36. After the cutter 38 extends into the dust collection groove 19, it may cut off the impurities in the dust collection groove 19, thereby preventing the impurities from clogging and knotting in the dust collection groove 19. As the sliding ring 32 moves, the magnetic poles of the magnets on the opposite side of the sliding ring 32 and the moving block 40 are opposite, which causes magnetic attraction between the moving block 40 and the sliding ring 32. As the sliding ring 32 moves along the axis of rotation 3, the magnetic force generated by the magnets inside the sliding ring 32 attracts the moving block 40 to move, causing the moving block 40 to reciprocate along the side of the moving track 39. During the movement of the moving block 40, the vibrating rod moves. When the vibrating rod moves, it adheres to the corrugated plate 41, causing the vibrating rod to rise and fall with the undulation of the corrugated plate 41. The vibrating rod then reciprocates to impact the ground, thereby generating vibration. Under the action of the hot water source and vibration, the residual stains on the ground are more easily removed from the ground. The floor scrubber's air pump is connected to the suction tank 19 via a pipe. After the air pump starts, the air flow rate in the suction tank 19 is relatively high, resulting in lower pressure within the suction tank 19. Meanwhile, the power chamber 11 contains a drive motor 12, which operates for an extended period, causing the heat inside the power chamber 11 to rise, and consequently, the pressure inside the power chamber 11 also increases. During the air circulation within the suction tank 19, air from the power chamber 11 is transported to the suction tank 19 through the connecting hole and then discharged through the suction tank 19. Outside air flows towards the side closer to the power chamber 11 through the heat dissipation holes, thus completing the air circulation within the power chamber 11. This effectively reduces the failure rate caused by motor overheating. The air from the power chamber 11 being transported to the suction tank 19 through the connecting hole and then discharged through the suction tank 19 also improves the heat dissipation efficiency of the housing module 1.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A DC motor with temperature control function, characterized in that: The device includes a housing module (1), a power cavity (11) is provided on one side of the housing module (1), a drive motor (12) is provided in the power cavity (11), a drive shaft (13) is provided on one side of the drive motor (12), a drive gear (14) is provided on the drive shaft (13), a first driven gear (15) and a second driven gear (16) are respectively meshed on both sides of the drive gear (14), a rotating groove (17) is provided on the side of the housing module (1) near the first driven gear (15), and a conveying cavity (18) is provided on the side of the housing module (1) near the second driven gear (16). The second driven gear (16) is provided with a rotating shaft (3) on the side away from the power cavity (11). The rotating shaft (3) is provided with a plurality of magnets. The conveying cavity (18) is provided with a coil winding. The rotating shaft (3) is provided with a sliding ring (32). The inner wall of the sliding ring (32) is slidably connected to the rotating shaft (3) through a spiral groove (31). The outer wall of the sliding ring (32) is slidably connected to the conveying cavity (18). A sliding sleeve (33) is provided on the side of the rotating shaft (3) away from the second driven gear (16). A water supply pipe (34) is provided inside the rotating shaft (3). The sliding sleeve (33) is connected to the water supply pipe (34). A number of water outlets (35) are provided on the side of the water supply pipe (34) away from the sliding sleeve (33). The water supply pipe (34) is connected to the conveying chamber (18) through the water outlets (35). The sliding sleeve (33) is connected to an external water source through a pipe. A water outlet is provided on the side of the conveying chamber (18) close to the sliding sleeve (33).

2. A DC motor with temperature control function according to claim 1, characterized in that: A fixed wheel (2) is provided on the side of the first driven gear (15) away from the power chamber (11), and the fixed wheel (2) is used to fix the roller brush.

3. A DC motor with temperature control function according to claim 1, characterized in that: The rotating shaft (3) is rotatably connected to the conveying cavity (18). Two spiral grooves (31) are provided on the shaft wall of the rotating shaft (3), and the spiral directions of the two spiral grooves (31) are opposite.

4. A DC motor with temperature control function according to claim 1, characterized in that: A dust collection groove (19) is provided between the rotating groove (17) and the conveying chamber (18). The rotating groove (17) and the dust collection groove (19) are connected. A number of telescopic ports (36) are provided on the side of the dust collection groove (19) near the conveying chamber (18). The number of telescopic ports (36) are arranged equidistantly along the axis of the dust collection groove (19).

5. A DC motor with temperature control function according to claim 4, characterized in that: The telescopic opening (36) is provided with a sliding block (37) and a cutter (38). The sliding block (37) is located on the side of the telescopic opening (36) close to the conveying cavity (18), and the cutter (38) is located on the side of the sliding block (37) away from the conveying cavity (18). Several springs are provided on the side of the telescopic opening (36) away from the sliding block (37), and the sliding block (37) is slidably connected to the telescopic opening (36) through the springs.

6. A DC motor with temperature control function according to claim 5, characterized in that: A magnet is provided inside the sliding block (37), and a magnet is also provided inside the sliding ring (32). The magnetic poles of the magnets on the opposite side of the sliding block (37) and the sliding ring (32) are the same.

7. A DC motor with temperature control function according to claim 4, characterized in that: A moving channel (39) is provided on the side of the conveying chamber (18) away from the dust collection groove (19). A moving block (40) is provided in the moving channel (39). The moving block (40) is slidably connected to the moving channel (39). A magnet is also provided in the moving block (40). The magnetic poles of the magnet on the side of the moving block (40) opposite to the sliding ring (32) are opposite. A wave plate (41) is provided on the side of the moving channel (39) away from the conveying chamber (18). A vibration rod is provided on the side of the moving block (40) close to the wave plate (41).

8. A DC motor with temperature control function according to claim 4, characterized in that: The power chamber (11) has several connecting holes on the side near the dust collection groove (19), and the power chamber (11) is connected to the dust collection groove (19) through the connecting holes. The power chamber (11) has several heat dissipation holes on the side away from the dust collection groove (19), and a filter screen is provided in the heat dissipation holes. The drive shaft (13) has a fan blade on the side near the dust collection groove (19).

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