A synchronous reluctance motor

Abstract

The present invention relates to the field of motors, and specifically discloses a synchronous reluctance motor, which mainly includes a motor housing, a rotor, a stator, and an air gap adjustment mechanism and a heat dissipation mechanism arranged inside the motor housing. In order to solve the problem that the air gap between the rotor and the stator cannot be adjusted in the prior art, resulting in high temperature and noise when working in harsh environments such as high heat and high vibration, the size of the air gap can be adjusted when the heat dissipation effect needs to be increased by setting the air gap adjustment mechanism and the heat dissipation mechanism. In combination with the heat dissipation mechanism, the ventilation performance of the motor can be improved, and air can be more easily passed through the inside of the motor, thereby improving the heat dissipation effect. This helps to reduce the temperature and vibration of the motor, thereby extending the service life of the motor.

Description

Technical Field

[0001] The present invention relates to the field of motors, and in particular to a synchronous reluctance motor. Background Art

[0002] At present, the synchronous reluctance motor follows the principle of closed path with minimum reluctance, and generates magnetic pull (i.e., reluctance torque) through the change of reluctance caused by the rotor at different positions to drive the motor to rotate. Specifically, when current is passed through the stator winding, the magnetic flux generated in the winding passes through the air gap and the rotor from one end of the stator and closes at the other end of the stator. Since the rotor is a salient pole structure, the reluctance on the magnetic circuit changes with the change of the rotor position. When the axis of the stator magnetic field coincides with the center line of the rotor salient pole (i.e., the d-axis with small reluctance), the reluctance on the magnetic circuit is the smallest, and no reluctance torque is generated at this time; and when the rotor is slightly deflected, there is an angle between the rotor d-axis and the axis of the stator magnetic field, and the magnetic field is distorted, generating reluctance force to drive the rotor to rotate, so that the reluctance is minimized.

[0003] The gap between the stator and rotor of a synchronous reluctance motor is called an air gap, and the air gap is relatively narrow. In addition, the size of the air gap is fixed after the synchronous reluctance motor is produced. When the synchronous reluctance motor is used in a high-heat or high-vibration environment, the small air gap often affects ventilation and heat dissipation. In addition, the resonance problem caused by the mechanical structure will cause vibration and noise, resulting in a shorter service life of the synchronous reluctance motor in harsh environments and inconvenience in use.

[0004] Therefore, it is necessary to propose a synchronous reluctance motor to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a synchronous reluctance motor, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A synchronous reluctance motor comprises a motor housing, wherein a stator is arranged on the inner wall of the motor housing, a rotor is arranged inside the stator, a first through hole is arranged in the middle of the rotor, a rotating shaft is arranged in the middle of the motor housing, and the rotor is fixedly arranged on the outer wall of the rotating shaft through the first through hole, and one end of the rotating shaft extends to the outside of the motor housing to form an output end;

[0008] The outer side of the rotor is evenly provided with arc grooves along the circumferential direction, and a magnetic flux barrier group is provided inside the arc groove. An air gap adjustment mechanism for adjusting the distance between the magnetic flux barrier group and the stator is provided on the rotating shaft and the rotor. The air gap adjustment mechanism includes a first cavity provided on the inner side of the rotating shaft corresponding to the rotor, and an inner shaft is slidably connected to the inner side of the first cavity along the length direction of the rotating shaft. The corresponding parts of the inner shaft and the rotor are evenly provided with grooves corresponding to the magnetic flux barrier group along the circumferential direction, and the inner wall of the groove is an inclined surface. A sliding rod with an inclination matching the inclination of the inner wall of the groove is arranged on the inner side of the groove, a sliding channel connected to the first through hole is arranged on the inner wall of the arc-shaped groove, a sliding sheet slidably connected to the sliding channel and corresponding to the groove is fixedly arranged on one end of the magnetic flux barrier group close to the inner wall of the arc-shaped groove, an end of the sliding sheet away from the magnetic flux barrier group extends to the inner side of the groove and slidably cooperates with the inner wall of the groove, a sliding hole is arranged on one end of the sliding sheet away from the magnetic flux barrier group, and an end of the sliding sheet away from the magnetic flux barrier group is movably connected to the outer side of the sliding rod through the sliding hole;

[0009] The cam is an axially parallel arrangement of the second end of the motor and a cam is disposed on the inner side of the motor shaft to move the gear train. The cam is configured to move the gear train to a desired position within the gear train. The cam is configured to move the gear train to a desired position within the gear train. The cam is configured to move the gear train to a desired position within the gear train.

[0010] Preferably, one end of the sliding piece away from the magnetic flux barrier group is an inclined surface adapted to the inner wall of the arc-shaped slot, and the sliding piece is slidably matched with the inclined surface of the inner wall of the arc-shaped slot through the inclined surface.

[0011] Preferably, the rotor is formed by laminating a plurality of silicon steel sheets, and the arc-shaped groove is provided on each silicon steel sheet;

[0012] The flux barrier group includes flux barriers uniformly distributed along the radial direction of the rotor, magnetic conductive channels are arranged between adjacent flux barriers, and ends of adjacent magnetic conductive channels are fixedly connected by connecting ribs.

[0013] Preferably, a first through slot corresponding to the sliding sheet is arranged on the outer side of the rotating shaft, and the sliding sheet passes through the first through slot and extends toward the groove;

[0014] Guide grooves are symmetrically arranged at both ends of the inner wall of the arc-shaped groove, and a guide sheet which cooperates with the guide groove for sliding guidance is fixedly arranged on the side wall of the innermost magnetic conductive channel.

[0015] Preferably, a second ventilation slot corresponding to the sliding channel is provided through the inner peripheral side wall of the rotor, a first ventilation slot corresponding to the second ventilation slot is provided on the sliding hole, and the first ventilation slot and the second ventilation slot are staggered in an initial state.

[0016] Preferably, a heat dissipation mechanism is provided on the tail shaft, and the heat dissipation mechanism includes a blade shaft evenly arranged along the circumference of the tail shaft, and the blade shaft is rotatably connected to the tail shaft, and one end of the blade shaft extends to the inner side of the second cavity and is fixedly provided with a gear, and the other end extends to the outer side of the tail shaft and is fixedly provided with a blade, and a second driving shaft is movably connected with the corresponding position of the blade shaft along the length direction of the tail shaft on the inner side of the second cavity, and fixing grooves corresponding to the blade shafts are evenly arranged along the circumference on the outer side of the second driving shaft, and a rack is provided on the inner wall of the fixing groove, and the gear is located on the inner side of the fixing groove and meshes with the rack, and one end of the inner shaft extending to the inner side of the second cavity is fixedly connected to the second driving shaft, so that the second driving shaft is driven to move synchronously when the inner shaft moves.

[0017] Preferably, a tail cover is provided at one end of the motor housing away from the output end of the rotating shaft, the tail cover is open at one end away from the motor housing, and a tail plate is rotatably connected to the inner side of the opening through a bearing, and fan-shaped exhaust outlets are evenly arranged around the side wall of the tail plate.

[0018] Preferably, the tail plate is provided with an air outlet adjustment component, the air outlet adjustment component includes a receiving groove arranged on one side of the inner cavity of the exhaust port, the receiving groove is movably connected with an adjustment plate adapted to the exhaust port and in a fan shape, a second through hole is provided in the middle of the tail plate, an end of the tail shaft away from the rotating shaft is fixedly connected to the second through hole, an end of the inner side of the second cavity close to the tail plate is rotatably connected to a first driving shaft coaxial with the rotating shaft, an end of the second driving shaft close to the first driving shaft is fixedly connected to a driving cylinder on the periphery, and an end of the first driving shaft close to the driving cylinder is fixedly connected to the outer periphery of the second driving shaft The end is located on the inner side of the driving cylinder, and a convex shaft is provided on the inner wall of the driving cylinder. A spiral curved groove corresponding to the convex shaft is provided on the outer side of the first driving shaft. One end of the convex shaft extends to the inner side of the curved groove and is movably connected to the curved groove, so that the first driving shaft rotates when the second driving shaft drives the driving cylinder to displace. A connecting plate is fixedly provided on one end of the adjusting plate close to the second through hole, and an end of the connecting plate away from the adjusting plate extends to the inner side of the second cavity and is fixedly connected to the outer wall of the first driving shaft, so that when the first driving shaft rotates, the adjusting plate is driven to rotate through the connecting plate.

[0019] Preferably, the inner wall of the second through hole is provided with a fourth through groove connected to the accommodating groove and the exhaust port, and the end of the tail shaft located on the inner side of the second through hole is evenly provided with third through grooves corresponding to the fourth through grooves along the circumferential direction, and the connecting plate passes through the fourth through groove and the third through groove and extends to the inner side of the second cavity.

[0020] Preferably, a dustproof net corresponding to the tail disc is provided on the side of the tail cover away from the motor housing.

[0021] Compared with the prior art, the present invention provides a synchronous reluctance motor having the following beneficial effects:

[0022] 1. The synchronous reluctance motor can adjust the size of the air gap by setting an air gap adjustment mechanism in cooperation with a drive assembly, so that the air gap can be appropriately enlarged in a high-heat and high-vibration environment, which can not only improve the ventilation performance of the motor and make it easier for air to pass through the inside of the motor, but also appropriately increase the air gap to eliminate the resonance problem caused by the mechanical structure, thereby reducing the noise and vibration level of the motor, thereby extending the service life of the motor in harsh environments.

[0023] 2. The synchronous reluctance motor can adjust the angle of the fan blade while expanding the air gap through the heat dissipation mechanism. The inclination angle of the fan blade can be appropriately expanded. The greater the pressure difference between the upper and lower surfaces of the fan blade, the greater the wind pressure generated at the same speed. This can enhance the heat dissipation effect to a certain extent, because greater wind pressure can more effectively blow heat out of the motor. It is linked with the air gap adjustment mechanism, has a compact structure, and is easy to use.

[0024] 3. The synchronous reluctance motor can adjust the size of the exhaust port by means of an air port adjustment component, which is also linked with the air gap adjustment mechanism. The exhaust port is expanded while the air gap is expanded, which is more conducive to the discharge of heat, has a compact structure, and increases practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 It is a schematic diagram of the structure of the present invention in a disassembled state;

[0027] Figure 3 The present invention Figure 2 A structural diagram from another perspective of the basis;

[0028] Figure 4 It is a schematic diagram of the structure of the stator and rotor of the present invention in a disassembled state;

[0029] Figure 5 It is a schematic diagram of the structure of the magnetic flux barrier group and the rotor of the present invention in a disassembled state;

[0030] Figure 6 is a schematic diagram of the specific structure of the magnetic flux barrier group of the present invention;

[0031] Figure 7 Schematic diagram of the longitudinal cross-section structure of the silicon steel sheet of the rotor of the present invention;

[0032] Figure 8 It is a schematic diagram of the structure of the present invention when the inner shaft and the rotating shaft are disassembled;

[0033] Fig. 9 It is a schematic diagram of a partial cross-sectional structure of the inner shaft of the present invention;

[0034] Fig.10 It is a schematic diagram of the structure of the present invention with the inner shaft, tail shaft and cylinder disassembled;

[0035] Fig.11 It is a schematic diagram of the structure of the drive cylinder, the first drive shaft and the tail shaft of the present invention in a disassembled state;

[0036] Fig.12 It is a schematic diagram of the structure of the second drive shaft and fan blades of the present invention in a disassembled state;

[0037] Fig.13 It is a schematic diagram of the structure of the drive cylinder and the first drive shaft of the present invention in a disassembled state;

[0038] Fig.14 It is a schematic diagram of the structure of the tail plate and the tail cover of the present invention when they are disassembled;

[0039] Fig.15 It is a schematic diagram of the structure of the adjustment plate and the tail plate of the present invention when they are disassembled.

[0040] In the figure: 1, motor housing; 2, tail cover; 3, rotating shaft; 4, stator; 5, rotor; 6, inner shaft; 7, dust screen; 8, tail shaft; 9, fan blade; 10, mounting frame; 11, tail plate; 12, magnetic channel; 13, magnetic flux barrier; 14, arc groove; 15, first through hole; 16, sliding plate; 17, first ventilation groove; 18, guide plate; 19, connecting rib; 20, sliding hole; 21, sliding channel; 22, guide groove; 23, second ventilation groove; 24, groove; 25, sliding rod; 26, first cavity ; 27. First through slot; 28. Second cavity; 29. ​​Second through slot; 30. Cylinder; 31. Traction plate; 32. Traction ring; 33. Connecting arm; 34. Connecting ring; 35. Driving cylinder; 36. First driving shaft; 37. Second driving shaft; 38. Third through slot; 39. Blade shaft; 40. Fixed slot; 41. Rack; 42. Gear; 43. Convex shaft; 44. Curved slot; 45. Exhaust port; 46. Adjustment plate; 47. Connecting plate; 48. Second through hole; 49. Accommodating slot; 50. Fourth through slot. DETAILED DESCRIPTION

[0041] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0042] like Figure 1-Figure 9 As shown, a synchronous reluctance motor comprises a motor housing 1, a stator 4 is arranged on the inner wall of the motor housing 1, a rotor 5 is arranged inside the stator 4, the rotor 5 is formed by stacking a plurality of silicon steel sheets, a first through hole 15 is arranged in the middle of the rotor 5, a rotating shaft 3 is arranged in the middle of the motor housing 1, and the rotor 5 is fixedly arranged on the outer wall of the rotating shaft 3 through the first through hole 15, one end of the rotating shaft 3 extends to the outside of the motor housing 1 to form an output end, and an arc groove 14 is evenly arranged on the outer side of each silicon steel sheet of the rotor 5 along the circumferential direction, and a magnetic flux barrier group is arranged inside the arc groove 14, and the magnetic flux barrier group includes a plurality of silicon steel sheets 14 and a plurality of silicon steel sheets 14. The rotor 5 has magnetic flux barriers 13 evenly distributed in the radial direction, magnetic channels 12 are arranged between adjacent magnetic flux barriers 13, and the ends of adjacent magnetic channels 12 are fixedly connected by connecting ribs 19, and an air gap adjustment mechanism for adjusting the distance between the magnetic flux barrier group and the stator 4 is arranged on the rotating shaft 3 and the rotor 5, and the air gap adjustment mechanism includes a first cavity 26 arranged on the inner side of the rotating shaft 3 corresponding to the rotor 5, and the inner side of the first cavity 26 is slidably connected to the inner side of the rotating shaft 3 along the length direction of the rotating shaft 3, and the corresponding parts of the inner shaft 6 and the rotor 5 are evenly arranged along the circumferential direction corresponding to the magnetic flux barrier group. The groove 24 is provided with a slide bar 25 whose inclination matches the inclination of the inner wall of the groove 24, and the inner wall of the arc groove 14 is provided with a slide channel 21 connected to the first through hole 15, and the end of the magnetic flux barrier group close to the inner wall of the arc groove 14 is fixedly provided with a slide sheet 16 which is slidably connected to the slide channel 21 and corresponds to the groove 24, and the outer side of the rotating shaft 3 is provided with a first through groove 27 which corresponds to the slide sheet 16 one by one, and the end of the slide sheet 16 away from the magnetic flux barrier group passes through the first through groove 27 and extends to the inner side of the groove 24, and the slide sheet 16 is away from the magnetic flux barrier group. One end of the magnetic flux barrier group is an inclined surface adapted to the inner wall of the arc groove 14, and the sliding piece 16 slides with the inclined surface of the inner wall of the arc groove 14 through the inclined surface, and the end of the sliding piece 16 away from the magnetic flux barrier group is provided with a sliding hole 20, and the end of the sliding piece 16 away from the magnetic flux barrier group is movably connected to the outer side of the sliding rod 25 through the sliding hole 20, and the two ends of the inner wall of the arc groove 14 are symmetrically provided with guide grooves 22, and the side wall of the innermost magnetic conductive channel 12 is fixedly provided with a guide piece 18 that slides and guides with the guide groove 22, and the guide groove 22 and the guide piece 18 can increase the stability of the magnetic flux barrier group;

[0043] like Figure 2-Figure 3 , Fig.10As shown, it also includes a driving assembly for driving the inner shaft 6 to move, the driving assembly includes a tail shaft 8 fixedly arranged at one end of the rotating shaft 3 away from the output end, a second cavity 28 is arranged inside the tail shaft 8, one end of the inner shaft 6 extends to the inside of the second cavity 28, and a connecting arm 33 is evenly fixedly arranged on the end of the inner shaft 6 extending to the inside of the tail shaft 8 along the circumferential direction, and a second through groove 29 corresponding to the connecting arm 33 is evenly arranged on the outside of the tail shaft 8 along the circumferential direction, and one end of a plurality of connecting arms 33 away from the inner shaft 6 extends to the outside of the tail shaft 8 through the second through groove 29 and is fixedly arranged with a connecting ring 34 together, a traction ring 32 is rotatably connected to the outside of the connecting ring 34, and a traction plate 31 is arranged on one side of the traction ring 32, and a mounting frame 10 corresponding to the traction plate 31 is arranged at one end of the inner side of the motor housing 1, and a cylinder 30 for driving the traction plate 31 to move along the length direction of the rotating shaft 3 is arranged on the mounting frame 10;

[0044] The size of the air gap can be adjusted by cooperating with the drive assembly through the air gap adjustment mechanism, so that the air gap can be appropriately enlarged in a high-heat and high-vibration environment, which can not only improve the ventilation performance of the motor and make it easier for air to pass through the inside of the motor, but also appropriately increase the air gap to eliminate the resonance problem caused by the mechanical structure, thereby reducing the noise and vibration level of the motor, thereby extending the service life of the motor in harsh environments;

[0045] like Figure 5-Figure 7 As shown, in order to further facilitate the passage of airflow, a second ventilation groove 23 corresponding to the sliding channel 21 is provided through the inner side wall of the rotor 5, and a first ventilation groove 17 corresponding to the second ventilation groove 23 is provided on the sliding hole 20, and the first ventilation groove 17 and the second ventilation groove 23 are staggered in the initial state.

[0046] like Figure 2-Figure 3 , Figure 10-12As shown, a heat dissipation mechanism is provided on the tail shaft 8, and the heat dissipation mechanism includes a fan blade shaft 39 uniformly arranged along the circumference of the tail shaft 8, and the fan blade shaft 39 is rotatably connected to the tail shaft 8, and one end of the fan blade shaft 39 extends to the inner side of the second cavity 28 and is fixedly provided with a gear 42, and the other end extends to the outer side of the tail shaft 8 and is fixedly provided with a fan blade 9, and the inner side of the second cavity 28 is movably connected with a second drive shaft 37 at a corresponding position of the fan blade shaft 39 along the length direction of the tail shaft 8, and the outer side of the second drive shaft 37 is uniformly provided with a gear 42 corresponding to the fan blade shaft 39 along the circumference. A fixed groove 40, an inner wall of the fixed groove 40 is provided with a rack 41, a gear 42 is located inside the fixed groove 40 and meshes with the rack 41, an end of the inner shaft 6 extending to the inner side of the second cavity 28 is fixedly connected to the second drive shaft 37, so that when the inner shaft 6 moves, the second drive shaft 37 is synchronously moved, a tail cover 2 is provided at one end of the motor housing 1 away from the output end of the rotating shaft 3, the tail cover 2 is open at one end away from the motor housing 1, and a tail plate 11 is rotatably connected to the inner side of the opening through a bearing, and a fan-shaped exhaust port 45 is evenly arranged around the side wall of the tail plate 11;

[0047] By setting up the heat dissipation mechanism, the angle of the fan blade 9 can be adjusted while expanding the air gap. The inclination angle of the fan blade 9 can be appropriately expanded. The inclination angle of the fan blade 9 is appropriately increased. The greater the pressure difference between the upper and lower surfaces of the fan blade 9, the greater the wind pressure generated at the same speed. This can enhance the heat dissipation effect to a certain extent, because greater wind pressure can more effectively blow heat out of the inside of the motor. It is linked with the air gap adjustment mechanism, has a compact structure, and is easy to use.

[0048] like Fig.11 , Figure 13-Figure 15As shown, the tail plate 11 is provided with an air outlet adjustment component, which includes a receiving groove 49 arranged on one side of the inner cavity of the exhaust port 45, and the receiving groove 49 is movably connected with an adjustment plate 46 adapted to the exhaust port 45 and in a fan shape. A second through hole 48 is provided in the middle of the tail plate 11, and the end of the tail shaft 8 away from the rotating shaft 3 is fixedly connected to the second through hole 48, and the end of the inner side of the second cavity 28 close to the tail plate 11 is rotatably connected with the first drive shaft 36 coaxial with the rotating shaft 3, and the outer periphery of the end of the second drive shaft 37 close to the first drive shaft 36 is fixedly connected with the drive cylinder 35, and the end of the first drive shaft 36 close to the drive cylinder 35 is located on the inner side of the drive cylinder 35, and the inner wall of the drive cylinder 35 is provided with a convex shaft 43, and the outer side of the first drive shaft 36 is provided with a spiral curved groove 44 corresponding to the convex shaft 43, and the convex shaft 4 One end of the tail shaft 8 extends to the inner side of the curved groove 44 and is movably connected to the curved groove 44, so that the first driving shaft 36 rotates when the second driving shaft 37 drives the driving cylinder 35 to move, and a connecting plate 47 is fixedly provided at one end of the adjusting plate 46 close to the second through hole 48, and a fourth through groove 50 communicating with the accommodating groove 49 and the exhaust port 45 is provided on the inner wall of the second through hole 48, and a third through groove 38 corresponding to the fourth through groove 50 is uniformly provided along the circumferential direction at one end of the tail shaft 8 located inside the second through hole 48, and an end of the connecting plate 47 away from the adjusting plate 46 passes through the fourth through groove 50 and the third through groove 38 to extend to the inner side of the second cavity 28, and the end extending to the inner side of the second cavity 28 is fixedly connected to the outer wall of the first driving shaft 36, so that when the first driving shaft 36 rotates, the adjusting plate 46 is driven to rotate through the connecting plate 47;

[0049] The size of the exhaust port 45 can be adjusted by setting the air outlet adjustment component, which is also linked with the air gap adjustment mechanism. The exhaust port 45 is expanded while the air gap is expanded, which is more conducive to the discharge of heat, has a compact structure, and increases practicality.

[0050] In addition, in order to filter dust when not in use, a dustproof net 7 corresponding to the tail plate 11 is provided on the side of the tail cover 2 away from the motor housing 1, which can reduce the dust from entering the motor housing 1 when not in use.

[0051] Working principle: When used in a conventional environment, the air gap between the rotor 5 and the stator 4 is set according to the standard. When it is necessary to accelerate the discharge of heat inside the motor housing 1 or reduce vibration, the cylinder 30 can be controlled to drive the traction plate 31 to move, and the traction plate 31 drives the traction ring 32, the connecting ring 34, and the connecting arm 33 to move as a whole, and then the inner shaft 6 is driven to move. When the inner shaft 6 moves, the second drive shaft 37 moves. When the inner shaft 6 moves, the sliding plate 16 will be driven to move due to the action of the groove 24 and the sliding rod 25, and then the sliding plate 16 drives the magnetic flux barrier group to move, and the magnetic The flux barrier group is displaced toward the inner side of the arc groove 14, so that the distance between the flux barrier group and the stator 4 increases, thereby increasing the air gap. The guide piece 18 and the guide groove 22 can increase the stability of the displacement of the flux barrier group and play a guiding role. After the sliding piece 16 is displaced, the first ventilation groove 17 will coincide with the second ventilation groove 23, further increasing the air flow efficiency. When the shaft 3 rotates, it will drive the fan blades 9 to rotate, thereby achieving heat dissipation. When the second drive shaft 37 is displaced, it will drive the rack 41 to displace, and then the rack 41 drives the gear 42 to rotate, and the gear 42 passes through the fan blade shaft. 39 drives the fan blade 9 to adjust the angle, and the angle is enlarged, the inclination angle of the fan blade 9 is appropriately increased, the greater the pressure difference between the upper and lower surfaces of the fan blade 9, the greater the wind pressure generated at the same speed, which can enhance the heat dissipation effect to a certain extent, because the greater wind pressure can more effectively blow the heat out of the motor. It is linked with the air gap adjustment mechanism and has a compact structure. In addition, when the second drive shaft 37 is displaced, it will drive the drive cylinder 35 to displace, and the drive cylinder 35 drives the convex shaft 43 to displace, and the convex shaft 43 drives the first drive shaft 36 to rotate through the action of the curved groove 44, so that the first The driving shaft 36 drives the adjusting plate 46 to rotate through the connecting plate 47, so that the adjusting plate 46 gradually enters the accommodating groove 49, so that the exhaust port 45 gradually expands, thereby increasing the exhaust volume. When the device is used in a high temperature and high vibration environment, the increase in the air gap, the increase in the inclination angle of the fan blade 9 and the increase in the size of the exhaust port 45 can be achieved through adjustment, which is convenient for rapid heat dissipation and noise reduction. When used normally or out of a harsh environment, the air gap is used according to conventional standards, the inclination angle of the fan blade 9 is reduced, and the exhaust port 45 is reduced to the conventional ventilation volume, thereby increasing the adaptability of the motor.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A synchronous reluctance motor, characterized in that: The motor housing (1) comprises a stator (4) provided on the inner wall of the motor housing (1), a rotor (5) provided on the inner side of the stator (4), a first through hole (15) provided in the middle of the rotor (5), a rotating shaft (3) provided in the middle of the motor housing (1), and the rotor (5) is fixedly arranged on the outer wall of the rotating shaft (3) through the first through hole (15), and one end of the rotating shaft (3) extends to the outside of the motor housing (1) to form an output end; The outer side of the rotor (5) is evenly provided with arc grooves (14) along the circumferential direction, and a magnetic flux barrier group is provided inside the arc grooves (14). An air gap adjustment mechanism for adjusting the distance between the magnetic flux barrier group and the stator (4) is provided on the rotating shaft (3) and the rotor (5). The air gap adjustment mechanism comprises a first cavity (26) provided on the inner side of the rotating shaft (3) at a position corresponding to the rotor (5), an inner shaft (6) is slidably connected to the inner side of the first cavity (26) along the length direction of the rotating shaft (3), and grooves (24) corresponding to the magnetic flux barrier group are evenly provided along the circumferential direction at the corresponding positions of the inner shaft (6) and the rotor (5), and the inner wall of the groove (24) is an inclined surface, and the inner side of the groove (24) is provided with A slide bar (25) having an inclination matching the inclination of the inner wall of the groove (24) is provided, the inner wall of the arc-shaped groove (14) is provided with a slide channel (21) connected to the first through hole (15), one end of the magnetic flux barrier group close to the inner wall of the arc-shaped groove (14) is fixedly provided with a slide sheet (16) which is slidably connected to the slide channel (21) and corresponds to the groove (24), one end of the slide sheet (16) away from the magnetic flux barrier group extends to the inner side of the groove (24) and slidably cooperates with the inner wall of the groove (24), and one end of the slide sheet (16) away from the magnetic flux barrier group is provided with a slide hole (20), and one end of the slide sheet (16) away from the magnetic flux barrier group is movably connected to the outer side of the slide bar (25) through the slide hole (20); The drive assembly also includes a drive assembly for driving the inner shaft (6) to move, the drive assembly including a tail shaft (8) fixedly arranged at an end of the rotating shaft (3) away from the output end, a second cavity (28) being arranged inside the tail shaft (8), one end of the inner shaft (6) extending to the inside of the second cavity (28), and a connecting arm (33) being uniformly fixedly arranged on the end of the inner shaft (6) extending to the inside of the tail shaft (8) along the circumferential direction, and second through grooves (29) corresponding to the connecting arms (33) being uniformly arranged on the outside of the tail shaft (8) along the circumferential direction, and a plurality of the One end of the connecting arm (33) away from the inner shaft (6) extends through the second through slot (29) to the outside of the tail shaft (8) and is fixedly provided with a connecting ring (34). The outside of the connecting ring (34) is rotatably connected to a traction ring (32). A traction plate (31) is provided on one side of the traction ring (32). A mounting frame (10) corresponding to the traction plate (31) is provided on one end of the inner side of the motor housing (1). A cylinder (30) for driving the traction plate (31) to move along the length direction of the rotating shaft (3) is provided on the mounting frame (10).

2. A synchronous reluctance motor according to claim 1, characterized in that: One end of the sliding piece (16) away from the magnetic flux barrier group is an inclined surface adapted to the inner wall of the arc-shaped slot (14), and the sliding piece (16) is slidably matched with the inclined surface of the inner wall of the arc-shaped slot (14) via the inclined surface.

3. A synchronous reluctance motor according to claim 2, characterized in that: The rotor (5) is formed by stacking a plurality of silicon steel sheets, and the arc-shaped groove (14) is provided on each silicon steel sheet; The magnetic flux barrier group comprises magnetic flux barriers (13) uniformly distributed along the radial direction of the rotor (5), magnetic conductive channels (12) are provided between adjacent magnetic flux barriers (13), and ends of adjacent magnetic conductive channels (12) are fixedly connected via connecting ribs (19).

4. A synchronous reluctance motor according to claim 3, characterized in that: The outer side of the rotating shaft (3) is provided with a first through slot (27) corresponding one-to-one to the sliding sheet (16), and the sliding sheet (16) passes through the first through slot (27) and extends toward the groove (24); Guide grooves (22) are symmetrically arranged at both ends of the inner wall of the arc-shaped groove (14), and a guide piece (18) that cooperates with the guide groove (22) for sliding guidance is fixedly arranged on the side wall of the innermost magnetic conductive channel (12).

5. The synchronous reluctance motor according to claim 1, characterized in that: The inner peripheral side wall of the rotor (5) is provided with a second ventilation slot (23) corresponding to the sliding channel (21), the sliding hole (20) is provided with a first ventilation slot (17) corresponding to the second ventilation slot (23), and in an initial state, the first ventilation slot (17) and the second ventilation slot (23) are staggered.

6. A synchronous reluctance motor according to claim 1, characterized in that: The tail shaft (8) is provided with a heat dissipation mechanism, the heat dissipation mechanism comprising a blade shaft (39) uniformly arranged along the circumference of the tail shaft (8), the blade shaft (39) being rotatably connected to the tail shaft (8), one end of the blade shaft (39) extending to the inside of the second cavity (28) and fixedly provided with a gear (42), and the other end extending to the outside of the tail shaft (8) and fixedly provided with a blade (9), and the inside of the second cavity (28) is movably connected with a gear (42) corresponding to the blade shaft (39) along the length direction of the tail shaft (8). A second drive shaft (37), the outer side of the second drive shaft (37) is evenly provided with fixed grooves (40) corresponding to the fan blade shafts (39) along the circumferential direction, the inner wall of the fixed groove (40) is provided with a rack (41), the gear (42) is located on the inner side of the fixed groove (40) and meshes with the rack (41), and one end of the inner shaft (6) extending to the inner side of the second cavity (28) is fixedly connected to the second drive shaft (37), so that when the inner shaft (6) moves, the second drive shaft (37) is driven to move synchronously.

7. A synchronous reluctance motor according to claim 6, characterized in that: A tail cover (2) is provided at one end of the motor housing (1) away from the output end of the rotating shaft (3); the end of the tail cover (2) away from the motor housing (1) is open, and a tail plate (11) is rotatably connected to the inner side of the opening via a bearing; and fan-shaped exhaust ports (45) are evenly arranged around the side wall of the tail plate (11).

8. A synchronous reluctance motor according to claim 7, characterized in that: The tail plate (11) is provided with an air outlet adjustment component, the air outlet adjustment component comprising a receiving groove (49) provided on one side of the inner cavity of the air outlet (45), the receiving groove (49) being movably connected to an adjustment plate (46) adapted to the air outlet (45) and in a fan shape, a second through hole (48) being provided in the middle of the tail plate (11), an end of the tail shaft (8) away from the rotating shaft (3) being fixedly connected to the second through hole (48), an end of the inner side of the second cavity (28) close to the tail plate (11) being rotatably connected to a first drive shaft (36) coaxial with the rotating shaft (3), an end of the second drive shaft (37) close to the first drive shaft (36) being fixedly connected to a drive cylinder (35) at its periphery, and an end of the first drive shaft (36) close to the drive cylinder (35) being located at the drive cylinder ( The first drive shaft (36) is provided with a spiral curved groove (44) corresponding to the convex shaft (43) on the inner side of the drive cylinder (35), one end of the convex shaft (43) extends to the inner side of the curved groove (44) and is movably connected to the curved groove (44), so that when the second drive shaft (37) drives the drive cylinder (35) to move, the first drive shaft (36) rotates, and a connecting plate (47) is fixedly provided at one end of the adjustment plate (46) close to the second through hole (48), and an end of the connecting plate (47) away from the adjustment plate (46) extends to the inner side of the second cavity (28) and is fixedly connected to the outer wall of the first drive shaft (36), so that when the first drive shaft (36) rotates, the adjustment plate (46) is driven to rotate through the connecting plate (47).

9. A synchronous reluctance motor according to claim 8, characterized in that: The inner wall of the second through hole (48) is provided with a fourth through groove (50) which is in communication with the accommodating groove (49) and the exhaust port (45); one end of the tail shaft (8) located inside the second through hole (48) is evenly provided with third through grooves (38) corresponding to the fourth through grooves (50) along the circumferential direction; and the connecting plate (47) passes through the fourth through groove (50) and the third through groove (38) and extends toward the inside of the second cavity (28).

10. A synchronous reluctance motor according to claim 9, characterized in that: A dustproof net (7) corresponding to the tail disc (11) is provided on a side of the tail cover (2) away from the motor housing (1).

Images