Rotor structure and synchronous reluctance motor

Abstract

The invention discloses a rotor structure and a synchronous reluctance motor, and relates to the technical field of reluctance motors. The device comprises a driving shaft, a plurality of bending grooves are formed in the peripheral side of the driving shaft and subjected to shell extraction treatment, a supporting shaft is coaxially constructed at one end of the driving shaft, the other end of the driving shaft coaxially communicates with an air inlet shaft barrel, and an exhaust groove is formed in the end, connected with the supporting shaft, of the air inlet shaft barrel; one end of the air inlet shaft barrel is open and provided with a protruding block, a conical air opening is formed in the end, away from the air inlet shaft barrel, of the protruding block, and the small-diameter end edge of the conical air opening is smoothly connected with the edge of the end of the air inlet shaft barrel. The wind power assembly is matched with the driving shaft, the backflow air cavity and the heat dissipation air grooves to achieve air circulation so as to dissipate heat of the driving shaft and the stator, and then the liquid cooling circulation assembly can cool hot air, so that the situation that the aging speed of the stator and the rotor in the reluctance motor is increased due to high temperature can be effectively prevented; and the service life of the reluctance motor is prolonged.

Description

Technical Field

[0001] This application relates to the technical field of reluctance motors, and particularly to a rotor structure and a synchronous reluctance motor. Background Art

[0002] A reluctance motor is a motor that operates based on the principle of minimizing magnetic reluctance. Its core structure consists of a stator and a rotor. The stator is wound with concentrated windings, and the rotor is laminated from a magnetic conductive material (such as silicon steel sheets), without permanent magnets or windings, having the advantages of simple structure, low cost, high reliability, and suitability for high-speed operation. The reluctance motor drives the rotor to rotate by controlling the energization sequence and timing of the stator windings to change the magnetic field distribution.

[0003] However, in actual operation, especially under high-speed or high-temperature conditions, significant hysteresis losses and eddy current losses will occur inside the rotor of a reluctance motor. These losses accumulate in the rotor in the form of heat energy, causing the rotor temperature to rise sharply. Long-term high temperature will not only reduce the motor efficiency, but also cause thermal aging of materials, degradation of magnetic properties, and even deformation of the rotor structure, seriously affecting the reliability and service life of the motor. Moreover, too high a rotor temperature will also cause the temperature of the stator to increase, resulting in thermal aging of the materials.

[0004] Therefore, the present invention proposes a rotor structure and a synchronous reluctance motor. Summary of the Invention

[0005] The purpose of this application is to provide a rotor structure and a synchronous reluctance motor to solve the problems in the above background art.

[0006] To achieve the above purpose, this application specifically adopts the following technical solutions: A rotor structure, comprising: A drive shaft, on the outer peripheral side of which a plurality of bending grooves are provided and the drive shaft has been subjected to shelling treatment. One end of the drive shaft is coaxially configured with a support shaft, and the other end of the drive shaft is coaxially connected to an intake shaft cylinder. The intake shaft cylinder is connected to one end of the support shaft and is provided with an exhaust groove. One end of the intake shaft cylinder is an opening and is configured with a convex block. The end of the convex block away from the intake shaft cylinder is provided with a conical air inlet, and the small-diameter end of the conical air inlet is smoothly connected to the edge of the end of the intake shaft cylinder.

[0007] Further, the bending grooves are in multiple groups. The bending grooves in the same group are linearly arrayed along the direction close to the axis of the drive shaft, and the multiple groups of bending grooves are circularly arrayed on the drive shaft. The exhaust groove is opened between two adjacent grooves in the same group of bending grooves.

[0008] A synchronous reluctance motor, comprising the above rotor structure, further comprising a base. A machine shell is provided on the base. A stator is installed inside the machine shell. The drive shaft is arranged inside the stator, and further comprising: The ventilation hood is installed on the base. A wind power component is provided inside the ventilation hood. The intake shaft cylinder is rotatably installed inside the ventilation hood, and the bump is located inside the ventilation hood; The liquid cooling circulation component is installed on the base. The liquid cooling circulation component and the casing form a heat dissipation air duct; Wherein, a return air cavity is constructed inside the casing. The return air cavity is kept in communication with the inside of the drive shaft through the exhaust groove. The return air cavity is communicated with the heat dissipation air duct. The wind power component drives the air to flow into the drive shaft and enter the return air cavity through the exhaust groove, and finally discharges from the heat dissipation air duct.

[0009] Further, a sleeve is coaxially constructed on the casing. The drive shaft is located inside the sleeve and its outer peripheral side fits against the inner wall of the sleeve. The support shaft is rotatably inserted inside the sleeve, and there is a gap between the end of the drive shaft with the exhaust groove and the inner end face of the sleeve to form the return air cavity. One end of the sleeve is open and the open end is communicated with the heat dissipation air duct.

[0010] Further, one end of the casing close to the ventilation hood is constructed with a planar spiral disk in the shape of a mosquito coil. The liquid cooling circulation component has a planar spiral cooling pipe. The planar spiral cooling pipe is aligned with the spiral edge of the planar spiral disk to form the heat dissipation air duct. A blocking plate is constructed inside the planar spiral cooling pipe to block the internal non-spiral cavity.

[0011] Further, the wind power component includes a heat dissipation fan rotatably installed inside the ventilation hood. A rotating rod is rotatably installed inside the ventilation hood. The rotating rod is coupled with the heat dissipation fan and the intake shaft cylinder. When the intake shaft cylinder rotates, the rotating rod rotates synchronously with the heat dissipation fan.

[0012] Further, the liquid cooling circulation component includes an oil tank provided on the base. An oil inlet pipe and an oil outlet pipe are connected to the oil tank. One end of the planar spiral cooling pipe close to its center is connected to the oil inlet pipe, and the other end is connected to the oil outlet pipe. A push rod is slidably installed inside the oil tank. A one-way valve is installed on the oil inlet pipe. A driving member is installed inside the oil tank, and one end of the push rod is driven into the oil inlet pipe by the driving member.

[0013] Further, the driving member includes a pendulum rod rotatably installed at one end inside the oil tank. Two movable slots are provided on the pendulum rod. A convex disk is coaxially installed on the heat dissipation fan. A column rod is eccentrically constructed on the convex disk. The column rod is slidably tangent to one of the movable slots. A forcing rod is constructed on the push rod. One end of the forcing rod is slidably tangent to the other movable slot.

[0014] Further, a plurality of transverse slots are penetratingly formed on both sides of the fuel tank, and the edges of the transverse slots are sealed by heat dissipation fins. The heat dissipation fins are in an n shape and are horizontally arranged. A guiding seat is installed on the base. Two small-diameter chambers and a large-diameter chamber are constructed on the guiding seat. The large-diameter chamber is located between the two small-diameter chambers and is interconnected. An air cavity with open ends is formed between the guiding seat and the heat dissipation fins. The two small-diameter chambers are respectively in communication with the air cavities of the plurality of heat dissipation fins on the same side. A pressurization assembly for supplying air pressure to the inside thereof is provided on the large-diameter chamber.

[0015] Further, the pressurization assembly includes a piston plate vertically and slidably installed in the large-diameter chamber. A one-way exhaust hole is formed on the piston plate. A one-way sealing piece is installed at the communication position between the small-diameter chamber and the large-diameter chamber. A driving rod is hinged on the piston plate, and the free end of the driving rod is hinged on the column rod.

[0016] The beneficial effects of the present application are as follows: In the present application, the air circulation is realized through the cooperation of the wind power assembly, the driving shaft, the return air cavity and the heat dissipation air groove to dissipate heat from the driving shaft and the stator. Then, the hot air can be cooled by the liquid cooling circulation assembly, so that the aging speed of the stator and the rotor in the reluctance motor can be effectively prevented from increasing due to high temperature, and the service life of the reluctance motor is improved. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the rotor structure of the present application; Figure 2 is the present application Figure 1 Another perspective schematic diagram; Figure 3 is the present application Figure 1 Partial three-dimensional cross-sectional view; Figure 4 is the three-dimensional schematic diagram after the rotor structure of the present application is installed; Figure 5 is the present application Figure 4 Partial three-dimensional cross-sectional view; Figure 6 is the present application Figure 4 Another partial three-dimensional cross-sectional view; Figure 7 is the present application Figure 4 Another partial three-dimensional cross-sectional view; Figure 8 is the present application Figure 4 Partial structure exploded view; Figure 9 is the present application Figure 8 Another perspective schematic diagram; Figure 10 is the schematic diagram of the piston plate structure of the present application; Figure 11It is this application Figure 5 The enlarged view of the structure at position A in the application; Figure 12 It is this application Figure 6 The enlarged view of the structure at position B in the application.

[0018] Reference numerals: 1, drive shaft; 101, bending groove; 102, support shaft; 103, intake shaft cylinder; 104, bump; 105, conical air outlet; 106, exhaust groove; 2, base; 3, housing; 4, ventilation cover; 5, wind power assembly; 501, cooling fan; 502, rotating rod; 6, liquid cooling circulation assembly; 601, planar spiral cooling pipe; 602, fuel tank; 603, fuel inlet pipe; 604, fuel outlet pipe; 605, oil pushing rod; 606, one-way valve; 607, plugging plate; 7, heat dissipation air groove; 8, return air cavity; 9, sleeve; 10, planar spiral disk; 11, driving member; 1101, pendulum rod; 1102, movable groove; 1103, convex disk; 1104, column rod; 1105, forcing rod; 12, transverse groove; 13, heat dissipation fin; 14, guiding seat; 15, small-diameter chamber; 16, large-diameter chamber; 17, supercharging assembly; 1701, piston plate; 1702, one-way exhaust hole; 1703, driving rod; 1704, one-way sealing piece. Detailed implementation manners

[0019] To make the objectives, technical solutions and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of this application.

[0020] As Figures 1 - 3 shown, a rotor structure proposed in an embodiment of this application includes: A drive shaft 1, which is made of a magnetically conductive material and is consistent with the existing silicon steel sheet material. The difference from the prior art is that the drive shaft 1 is integrally formed. Moreover, a plurality of bending grooves 101 are provided on the outer peripheral side of the drive shaft 1 and it undergoes a shelling process. As Figures 1 - 2As shown, the bending groove 101 has a horizontal section. The two ends of the horizontal section extend outward and penetrate through the outer peripheral side of the drive shaft 1. The bending groove 101 penetrates through both ends of the drive shaft 1 but does not cause the drive shaft 1 to be separated. The horizontal section of the bending groove 101 does not penetrate through the drive shaft 1 and is close to the end face of the drive shaft 1. The bending groove 101 effectively increases the heat dissipation area. When the external air blows towards the drive shaft 1, the external air passing through the bending groove 101 can effectively cool multiple surfaces of the drive shaft 1, improving the cooling effect. Moreover, when the air passes through the inside of the drive shaft 1, it can also effectively cool multiple surfaces of the drive shaft 1. One end of the drive shaft 1 is coaxially configured with a support shaft 102, and the support shaft 102 is the connection part for connecting with the component to be driven. The other end of the drive shaft 1 is coaxially communicated with an intake shaft cylinder 103. An exhaust groove 106 is opened at one end of the intake shaft cylinder 103 connected to the support shaft 102. After the external air enters the intake shaft cylinder 103, it will pass through the inside of the drive shaft 1 and finally be discharged from the exhaust groove 106 to ensure the uniformity of heat dissipation. One end of the intake shaft cylinder 103 is an opening and is configured with a convex block 104. A conical air outlet 105 is opened at the end of the convex block 104 away from the intake shaft cylinder 103. The small-diameter end of the conical air outlet 105 is smoothly connected to the edge of the end of the intake shaft cylinder 103. The design of the conical air outlet 105 plays a role in collecting the external air, thereby indirectly improving the heat dissipation effect.

[0021] As Figure 3 shown, in some embodiments, there are multiple groups of bending grooves 101. The bending grooves 101 in the same group are linearly arrayed along the direction close to the axis of the drive shaft 1, and multiple groups of bending grooves 101 are circularly arrayed on the drive shaft 1. The exhaust groove 106 is opened between two adjacent grooves of the bending grooves 101 in the same group. Preferably, as Figure 2 shown, the lengths of the horizontal sections of the bending grooves 101 in the same group are all different, ensuring that the two ends of the bending grooves 101 extending outward can penetrate through the outer peripheral side of the drive shaft 1. Multiple groups of bending grooves 101 further increase the heat dissipation area and effectively improve the heat dissipation effect of the drive shaft 1. In this embodiment, exhaust grooves 106 are also opened at the outermost part of the end face of the drive shaft 1 to ensure that when the air enters the drive shaft 1, it can further dissipate heat from the inner wall surface of the drive shaft 1.

[0022] As Figures 1 - 12 shown, the present invention also discloses a synchronous reluctance motor, including the above rotor structure, and further including a base 2. A housing 3 is provided on the base 2. A stator is installed in the housing 3, and the drive shaft 1 is arranged in the stator. It further includes: A ventilation cover 4, installed on the base 2. A wind power component 5 is provided in the ventilation cover 4. The intake shaft cylinder 103 is rotatably installed in the ventilation cover 4, and the convex block 104 is located in the ventilation cover 4. A ventilation groove is opened on the end face of the ventilation cover 4 away from the housing 3 to ensure that the wind power component 5 can draw the external air into the intake shaft cylinder 103; The liquid cooling circulation component 6 is installed on the base 2, and the liquid cooling circulation component 6 and the casing 3 are combined to form a heat dissipation air duct 7; Among them, a return air cavity 8 is constructed inside the casing 3. The return air cavity 8 is kept in communication with the inside of the drive shaft 1 through the exhaust groove 106. The return air cavity 8 is communicated with the heat dissipation air duct 7. The wind power component 5 drives the air to flow into the drive shaft 1 and enters the return air cavity 8 through the exhaust groove 106, and finally is discharged from the heat dissipation air duct 7. Specifically, the heat dissipation air duct 7 is located between the ventilation cover 4 and the casing 3. When the wind power component 5 conveys the air into the air inlet shaft cylinder, the air will enter the drive shaft 1, thereby completing the heat dissipation of the inner drive shaft 1. When the flowing air flows out of the drive shaft 1 from the exhaust groove 106, the air that absorbs part of the heat will enter the return air cavity 8. The air will dissipate heat from the outer wall of the drive shaft 1 again during the process of passing through the return air cavity 8, and take out part of the heat. Then the air in the return air cavity 8 will enter the heat dissipation air duct 7, and the liquid cooling circulation component 6 dissipates the heat of the hot air in the heat dissipation air duct 7, preventing the hot air in the heat dissipation air duct 7 from being directly discharged to the outside, causing the temperature around the reluctance motor to be too high and resulting in the temperature rise of the ventilation cover 4 and the casing 3. Since the stator is installed inside the casing 3, the temperature rise of the casing 3 will cause the temperature rise of the stator. Therefore, reducing the temperature of the casing 3 can effectively reduce the temperature of the stator, and preventing the temperature outside the ventilation cover 4 from being too high can effectively prevent the temperature inside the ventilation cover 4 from being too high, preventing the air temperature from rising after the outside air enters the ventilation cover 4 and affecting the subsequent heat dissipation effect, and discharging the air after heat dissipation from between the casing 3 and the ventilation cover 4 can prevent the air from blowing towards the support shaft 102. When the support shaft 102 is connected to some materials with good heat conduction performance or the staff checks the connection of the support shaft 102, it can prevent the flowing air from affecting the staff or some components in front of the support shaft 102.

[0023] Such as Figure 2 and Figure 6As shown, in some embodiments, a sleeve 9 is coaxially constructed on the housing 3. The drive shaft 1 is located inside the sleeve 9 and its outer peripheral side is in contact with the inner wall of the sleeve 9. The support shaft 102 is rotatably inserted into the sleeve 9. And there is a gap between the end of the drive shaft 1 with the exhaust groove 106 and the inner end face of the sleeve 9 to form a return air cavity 8. One end of the sleeve 9 is open and the open end is communicated with the heat dissipation air groove 7. That is to say, when the flowing air passes through the drive shaft 1 and passes through the exhaust groove 106, the flowing air will first enter the gap between the exhaust groove 106 and the end face of the sleeve 9. Because the outer peripheral side of the drive shaft 1 is in contact with the inner wall of the sleeve 9, the flowing air will directly pass through multiple groups of bending grooves 101 outside the drive shaft 1, thereby effectively utilizing the function of the bending grooves 101 to increase the heat dissipation area, so as to improve the heat dissipation effect and fully dissipate the heat of the outer peripheral side of the drive shaft 1. Preferably, the sleeve 9 can be made of a heat-conducting material, such as copper. Because the outer peripheral side of the sleeve 9 is close to the winding on the stator, it can also dissipate the heat of the winding. Because the winding will also generate a certain amount of heat after being energized, the service life of the stator is further improved.

[0024] As Figure 6 and Figure 9 shown, in some embodiments, one end of the housing 3 close to the ventilation hood 4 is constructed with a planar spiral disk 10 in the shape of a mosquito coil. The liquid cooling circulation assembly 6 has a planar spiral cooling tube 601. The planar spiral cooling tube 601 is aligned with the spiral edge of the planar spiral disk 10 to form a heat dissipation air groove 7, so that the heat dissipation air groove 7 is in a planar spiral shape, thereby increasing the time for hot air to stay in the heat dissipation air groove 7. A sealing plate 607 is constructed inside the planar spiral cooling tube 601 to block the internal non-spiral cavity. After the hot air passes through the return air cavity 8, it will enter between the planar spiral disk 10 and the planar spiral cooling tube 601. The hot air will first concentrate at the position of the planar spiral disk 10 close to its axis, and then the hot air will flow gradually from the inside of the heat dissipation air groove 7 to the outside in a spiral form and finally flow out. And during this process, because the air in the heat dissipation air groove 7 is always in contact with the planar spiral cooling tube 601, and the planar spiral shape design of the heat dissipation air groove 7 increases the time for hot air to stay in the heat dissipation air groove 7, thereby further improving the cooling of the hot air.

[0025] As Figure 4 and Figure 6 shown, in some embodiments, the wind power assembly 5 includes a heat dissipation fan 501 rotatably installed in the ventilation hood 4 through a rotating shaft. A rotating rod 502 is rotatably installed in the ventilation hood 4. The rotating rod 502 is coupled with the heat dissipation fan 501 and the intake shaft cylinder 103. Specifically, as Figure 6As shown, a pulley assembly is installed between the rotating rod 502 and the rotating shaft of the cooling fan 501, and a pulley assembly is also installed between the rotating rod 502 and the intake air shaft cylinder 103. Therefore, when the intake air shaft cylinder 103 rotates, the rotating rod 502 and the cooling fan 501 rotate synchronously, so that there is no need for additional driving force to drive the use of the cooling fan 501. Different from the prior art where the shaft rod of the rotor is directly connected to the cooling fan 501, this coupling connection can not only ensure the rotation of the cooling fan 501, but also ensure that the cooling fan 501 conveys the flowing air into the intake air shaft cylinder 103.

[0026] As Figures 5 - 6 shown, in some embodiments, the liquid cooling circulation assembly 6 includes an oil tank 602 provided on the base 2. Cooling oil is poured into the oil tank 602. An oil inlet pipe 603 and an oil outlet pipe 604 are communicated with the oil tank 602. One end of the planar spiral cooling pipe 601 near its center is communicated with the oil inlet pipe 603, and the other end is communicated with the oil outlet pipe 604. A push rod 605 is slidably installed in the oil tank 602. A one-way valve 606 is installed on the oil inlet pipe 603. A driving member 11 is installed in the oil tank 602. One end of the push rod 605 is driven by the driving member 11 to be pushed into the oil inlet pipe 603. That is to say, the oil in the oil tank 602 can be pushed into the oil inlet pipe 603 through the driving rod 1703, and the one-way valve 606 can prevent the oil in the oil inlet pipe 603 from flowing back. In this way, when the push rod 605 moves horizontally back and forth, the oil in the oil inlet pipe 603 will be conveyed into the planar spiral cooling pipe 601. After the oil in the planar spiral cooling pipe 601 cools down the hot air in the heat dissipation air groove 7, the oil that absorbs the temperature will enter the oil outlet pipe 604 and then re-enter the oil tank 602. Preferably, the oil inlet pipe 603, the oil outlet pipe 604 and the liquid cooling circulation assembly 6 are all made of heat-conducting materials (such as copper), and the oil tank 602 can be made of copper material, so that the outside air can effectively cool the cooling oil in the oil tank 602.

[0027] As Figure 6 and Figure 7As shown, in some embodiments, the driving member 11 includes a pendulum rod 1101 rotatably mounted at one end in the fuel tank 602. Two movable slots 1102 are formed in the pendulum rod 1101. A convex disk 1103 is coaxially mounted on the rotating shaft of the cooling fan 501. A column rod 1104 is eccentrically configured on the convex disk 1103. The column rod 1104 is slidably tangent to one of the movable slots 1102. A forcing rod 1105 is configured on the oil pushing rod 605. One end of the forcing rod 1105 is slidably tangent to the other movable slot 1102. When the cooling fan 501 rotates, it will drive the column rod 1104 on the convex disk 1103 to rotate eccentrically. Since the column rod 1104 is slidably tangent to one of the movable slots 1102, the pendulum rod 1101 will swing back and forth within a certain angle at this time. At this time, the movable slot 1102 on the pendulum rod 1101 will also move. Since the forcing rod 1105 is located in the other movable slot 1102, the reciprocating rotation of the pendulum rod 1101 will drive the oil pushing rod 605 to reciprocate horizontally, so that the cooling oil in the fuel tank 602 can be circulated without additional driving force, reducing the unnecessary driving member 11 and indirectly reducing the heat source.

[0028] As Figure 7 and Figure 8 shown, in some embodiments, a plurality of transverse slots 12 are formed through both sides of the fuel tank 602. The edges of the transverse slots 12 are sealed by heat dissipation fins 13. The heat dissipation fins 13 are n-shaped and horizontally arranged. A guiding seat 14 is mounted on the base 2. The heat dissipation fins 13 can be made of silver, which has good thermal conductivity. The n-shaped design of the heat dissipation fins 13 effectively increases the heat dissipation area, fully improving the cooling of the cooling oil in the fuel tank 602. Two small-diameter chambers 15 and a large-diameter chamber 16 are configured on the guiding seat 14. The large-diameter chamber 16 is located between the two small-diameter chambers 15 and is interconnected. A wind chamber with open ends is formed between the guiding seat 14 and the heat dissipation fins 13. The two small-diameter chambers 15 are respectively in communication with the wind chambers of the plurality of heat dissipation fins 13 on the same side. A pressurizing assembly 17 for providing air pressure to its interior is provided on the large-diameter chamber 16. That is to say, the pressurizing assembly 17 will cause flowing air to be generated in the large-diameter chamber 16. After the flowing air enters the two small-diameter chambers 15, the wind speed will increase. Since the small-diameter chambers 15 are in communication with the wind chambers of the heat dissipation fins 13, the fast-flowing air will contact the plurality of heat dissipation fins 13 to cool them, improving the cooling effect of the cooling oil in the fuel tank 602.

[0029] As Figure 7 , Figure 10 and Figure 11 shown, in some embodiments, the pressurizing assembly 17 includes a piston plate 1701 vertically slidably mounted in the large-diameter chamber 16. A one-way exhaust hole 1702 is formed in the piston plate 1701. Preferably, the diameter of the one-way exhaust hole 1702 is designed to be as large as possible. AsFigure 10 As shown, a plurality of triangular elastic metal sheets are provided on the inner periphery of the one-way exhaust hole 1702, and its structural principle is similar to the sealing structure at the mouth of the screaming beverage bottle. This structure can effectively reduce the pressure required when the one-way exhaust hole 1702 needs to be opened. Of course, the structure of the existing one-way air intake valve can also be adopted. A one-way sealing sheet 1704 is installed at the connection between the small-diameter chamber 15 and the large-diameter chamber 16, and a driving rod 1703 is hinged on the piston plate 1701. The free end of the driving rod 1703 is hinged on the column 1104. When the column 1104 rotates eccentrically, because the two ends of the driving rod 1703 are respectively hinged on the piston plate 1701 and the column 1104, the column 1104 will drive the piston plate 1701 to move vertically back and forth through the driving rod 1703 during continuous rotation, so that no additional driving force is required to drive the piston plate 1701 to move. When moving from top to bottom, the one-way exhaust hole 1702 is in a blocked state, so that when the piston plate 1701 moves downward, the air inside the large-diameter chamber 16 will be squeezed, thereby forcing the one-way sealing piece 1704 to bend. Specifically, the top of the large-diameter chamber 16 is open, and the cross-sectional width and length of the large-diameter chamber 16 are greater than the cross-sectional width and length of the small-diameter chamber 15. Therefore, after the air inside the large-diameter chamber 16 enters the small-diameter chamber 15, the flow rate will increase to ensure that each heat sink 13 can fully dissipate heat. When the piston plate 1701 moves upward, the one-way sealing piece 1704 will reset due to its own elastic deformation to block the large-diameter chamber 16 from communicating with the small-diameter chamber 15, forcing the outside air to pass through the one-way exhaust hole 1702, so that the space between the piston plate 1701 and the bottom of the large-diameter chamber 16 is filled with air, so as to increase sufficient wind pressure when the piston plate 1701 moves downward next time.

[0030] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A rotor structure, characterized in that: include: A driving shaft, wherein a plurality of bending grooves are provided on the outer circumference of the driving shaft and the driving shaft has been subjected to a shell extraction process, a support shaft is coaxially constructed at one end of the driving shaft, an intake shaft cylinder is coaxially connected at the other end of the driving shaft, an exhaust groove is provided at one end of the intake shaft cylinder connected to the support shaft, one end of the intake shaft cylinder is open and constructed with a protrusion, a conical air outlet is provided at the end of the protrusion away from the intake shaft cylinder, and the small diameter end of the conical air outlet is smoothly connected along the edge with the end of the intake shaft cylinder.

2. A rotor structure according to claim 1, characterized in that: The bending grooves are in multiple groups, and the bending grooves in the same group are distributed in a linear array along the axis direction of the driving shaft. Multiple groups of bending grooves are distributed in a circular array on the driving shaft, and the exhaust groove is opened between two adjacent grooves in the same group of bending grooves.

3. A synchronous reluctance motor, comprising the rotor structure according to any one of claims 1 to 2, and further comprising a base, wherein the base is provided with a housing, a stator is installed in the housing, and a drive shaft is provided in the stator, wherein: Also includes: A ventilation hood is installed on the base, a wind assembly is arranged inside the ventilation hood, an air intake shaft is rotatably installed inside the ventilation hood, and a protrusion is located inside the ventilation hood; A liquid cooling circulation component is installed on the base, and the liquid cooling circulation component is combined with the housing to form a heat dissipation duct; Among them, a return air cavity is constructed in the casing, and the return air cavity is connected with the driving shaft through the exhaust groove. The return air cavity is connected with the heat dissipation air groove. The wind power component drives the air to flow into the driving shaft and enters the return air cavity through the exhaust groove, and finally is discharged from the heat dissipation air groove.

4. The synchronous reluctance motor according to claim 3, characterized in that: A sleeve is coaxially structured on the casing, the drive shaft is located in the sleeve and the outer peripheral side is in contact with the inner wall of the sleeve, the support shaft is rotatably inserted in the sleeve, and a gap is left between one end of the drive shaft with an exhaust groove and the inner end surface of the sleeve to form a return air cavity, and one end of the sleeve is open and the open end is connected to the heat dissipation air groove.

5. The synchronous reluctance motor according to claim 3, characterized in that: A flat spiral disk is constructed at one end of the casing near the ventilation hood, and the liquid cooling circulation component has a flat spiral cooling tube. The flat spiral cooling tube is aligned with the spiral edge of the flat spiral disk to form the heat dissipation trough, and a sealing plate is constructed on the inner side of the flat spiral cooling tube to seal the internal non-spiral cavity.

6. The synchronous reluctance motor according to claim 3, characterized in that: The wind power assembly includes a cooling fan rotatably installed in the ventilation cover, a rotating rod rotatably installed in the ventilation cover, the rotating rod is coupled with the cooling fan and the air intake shaft cylinder, and when the air intake shaft cylinder rotates, the rotating rod rotates synchronously with the cooling fan.

7. The synchronous reluctance motor according to claim 5, characterized in that: The liquid cooling circulation component includes an oil tank arranged on the base, the oil tank is connected to an oil inlet pipe and an oil outlet pipe, the planar spiral cooling pipe is connected to the oil inlet pipe at one end close to the center thereof, and is connected to the oil outlet pipe at the other end, an oil push rod is slidably installed in the oil tank, a one-way valve is installed on the oil inlet pipe, and a driving member is installed in the oil tank, which drives one end of the oil push rod to be pushed into the oil inlet pipe.

8. The synchronous reluctance motor according to claim 7, characterized in that: The driving member includes a pendulum rod with one end rotatably mounted in the oil tank, the pendulum rod having two movable grooves, a convex plate coaxially mounted on the cooling fan, a column rod eccentrically configured on the convex plate, the column rod sliding tangently in one of the movable grooves, and a forcing rod configured on the oil push rod, one end of the forcing rod sliding tangently in the other movable groove.

9. The synchronous reluctance motor according to claim 8, characterized in that: A plurality of transverse grooves are provided through both sides of the oil tank, and the edges of the transverse grooves are blocked by heat sinks. The heat sinks are n-shaped and horizontally arranged. A guide seat is installed on the base, and two small-diameter chambers and one large-diameter chamber are constructed on the guide seat. The large-diameter chamber is located between the two small-diameter chambers and are connected to each other. An air cavity with open ends is formed between the guide seat and the heat sink, and the two small-diameter chambers are respectively connected to the air cavities of multiple heat sinks on the same side. A booster component for providing air pressure to the interior of the large-diameter chamber is provided.

10. The synchronous reluctance motor according to claim 9, characterized in that: The booster assembly includes a piston plate vertically slidably installed in the large-diameter chamber, a one-way exhaust hole is opened on the piston plate, a one-way sealing plate is installed at the connection between the small-diameter chamber and the large-diameter chamber, a drive rod is hinged on the piston plate, and the free end of the drive rod is hinged on the column rod.

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