Efficient permanent magnet motor

Abstract

The invention provides an efficient permanent magnet motor which comprises a motor body and further comprises a rotor module in the motor body, and a liquid storage mechanism is arranged at the tail end of the motor body. A stator module and a shaft body are arranged in the motor body, and the shaft body is connected with a rotor module. According to the invention, the supply direction of the cooling liquid is stably triggered and switched through a mechanical structure, so that the interior of the motor can be cooled when the motor is in normal operation, and when the external permanent magnet on the rotor is degummed, the motor can be prevented from being damaged. According to the utility model, pipelines can be switched in time to inject cooling liquid into the cylinder body, compensation can be triggered through flowing of the liquid while switching succeeds, deviation correction and resetting can be automatically and timely performed on a single permanent magnet through enough hydraulic pressure difference, vibration caused by rotor gravity center deviation due to abrasion and local deformation of the rotor is effectively reduced, and the service life of the rotor is prolonged. Demagnetization of the permanent magnet caused by vibration is further avoided, and the service life of the whole motor is prolonged.

Description

Technical Field

[0001] This invention relates to the field of permanent magnet motor technology, and in particular to a high-efficiency permanent magnet motor. Background Technology

[0002] Surface-mount motor rotors are a common type of rotor used in electric motors or generators. They feature permanent magnets directly bonded to the outer surface of the rotor core. These permanent magnets, in the form of tile-shaped plates, are fixed to the core using adhesives or other methods to create a stable magnetic field. The rotor core is typically made of laminated silicon steel sheets to improve the motor's electromagnetic and heat dissipation performance. Surface-mount motor rotors are widely used in various industrial control fields, such as machine tools, textile machinery, and printing machinery. Their simple structure, low manufacturing cost, and good control performance make surface-mount motors highly competitive in these applications.

[0003] Chinese patent CN202411868636.8 discloses a surface-mount permanent magnet motor rotor structure, comprising: a plurality of stacked layers, wherein the stacked layers are arranged in a manner that overlaps each other and are welded together; and a plurality of external support components, wherein the plurality of external support components are evenly distributed circumferentially on the outer side of the stacked layers. The magnet body is clamped by the engagement of protruding blocks and mating openings. Under centrifugal force, the support bars tend to move outwards, pressing the opening end of the mating opening. The protruding surfaces on both sides of the support bars press the opening end of the mating opening, and the resulting force extends to the positioning blocks on both sides, ensuring a secure fit between the protruding blocks and the mating openings. If the magnet body and support bars move outwards, their diameter will increase, which means the compressive force on the external support components will increase. During rotor rotation, the magnet body maintains a firm fit, facilitating installation and effectively reducing vibration and noise.

[0004] However, this technical solution has certain shortcomings in use. Traditional surface-mounted permanent magnets will experience wear and local deformation of the rotor during long-term rotation, which will cause the rotor's center of gravity to deviate. During centrifugal rotation, the motor will vibrate as a whole, and the vibration will cause the permanent magnet to demagnetize, reducing the service life of the motor. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a high-efficiency permanent magnet motor that achieves a correction function through a rotor module in conjunction with a liquid storage mechanism, thereby solving the problem of eccentric vibration caused by rotor wear and local deformation.

[0006] To achieve the above objectives, the present invention provides the following technical solution: A high-efficiency permanent magnet motor includes a motor body and a rotor module within the motor body. A liquid storage mechanism is provided at the tail end of the motor body. A stator module and a shaft are disposed within the motor body. The rotor module includes multiple sets of laminations within the motor body. Twelve sets of mounting ends are provided on the outer sides of the multiple sets of laminations. Each of the twelve mounting ends is provided with a through hole and a heat exchange plate. Magnets are attached to the outer sides of the heat exchange plates. A liquid-filling outer tube is provided inside one end of the shaft. A return outer tube is provided on the outer side of the liquid-filling outer tube. An inner liquid-filling inner tube is provided inside the liquid-filling outer tube. The rotor module also includes positioning components and valve components disposed on the multiple sets of laminations.

[0007] The heat exchange plate is connected to a liquid injection pipe and a liquid outlet pipe through it, and multiple sets of liquid outlet grooves are opened on the outer wall of the tail end of the return outer pipe.

[0008] The positioning assembly includes: a support plate disposed on the inner wall of the through hole; a movable plate movably connected to the through hole; a telescopic cylinder disposed on the support plate; an inlet pipe a connected through one end of the telescopic cylinder; a return pipe connected through the other end of the telescopic cylinder; a piston disposed inside the telescopic cylinder; an output rod disposed on the piston; two sets of spring guide rods disposed on the support plate; and two sets of U-shaped sliders disposed at both ends of the movable plate.

[0009] The positioning component further includes: a contact rod, which is disposed on two sets of U-shaped sliders, with the other end of the contact rod contacting the magnet; a pin a, which is disposed on the U-shaped slider; a telescopic link, with two sets of telescopic links alternately disposed on the pin a; a buckle, with two sets of buckles disposed on both sides of the patch end; an outer buckle end, which is disposed at the tail end of the buckle; a top buckle end, which is disposed at the upper end of the buckle; a hinge, which is disposed at the other end of the buckle; and a pin b, which is disposed on the buckle.

[0010] The valve assembly includes: a liquid mixing tank, which is located at the top of the outer filling pipe, and the top of the inner filling pipe penetrates the bottom of the liquid mixing tank; a sector-shaped seat, twelve sets of sector-shaped seats are located inside the liquid mixing tank; a sector-shaped groove, which is formed on the sector-shaped seat; a limiting edge, which is formed on the sector-shaped seat; a cooling hole, which is formed below the sector-shaped seat; an adjusting hole, which is formed below the sector-shaped seat; a sector-shaped slider, which is movably connected to the sector-shaped groove; a traction rod, which is located on the sector-shaped slider and its other end is fixedly connected to the movable plate; and a return spring, which is located inside the sector-shaped seat.

[0011] The cooling hole is located on the outer arc side of the sector-shaped base, the adjustment hole is located on the inner arc side of the sector-shaped base, and the adjustment hole is located below the sector-shaped slider in its normal state.

[0012] The valve assembly further includes: a flow guide tank, twelve of which are disposed at the bottom of the liquid preparation tank; a bearing plate disposed inside the flow guide tank; a worm gear movably connected to the bearing plate; a fan blade disposed on the worm gear; a worm wheel shaft, which is connected through to the outer wall of the flow guide tank; a gear disposed at one end of the worm wheel shaft; and a torque seat disposed at the connection between the worm wheel shaft and the flow guide tank.

[0013] The valve assembly further includes: an inlet pipe b, twelve sets of which are connected through the outside of the filling outer pipe; a normally closed solenoid valve, which is disposed on the inlet pipe b; a valve foot, which is disposed on the normally closed solenoid valve; a support rod, which is fixedly connected to the outer wall of the inlet pipe a; a sleeve, which is disposed on the support rod; a toothed rod, which is movably connected to one end of the sleeve; a contact piece a, which is fixedly connected to one end of the toothed rod; a magnetic valve wire, which is disposed on the contact piece a; a contact piece b, which is fixedly connected inside the sleeve; and a power cord, which is disposed on the contact piece b.

[0014] The liquid storage mechanism includes a double pump located on the tail end housing of the motor body, a double pipe is provided on the double pump, and a magnetic fluid seal is provided at the connection end between the double pipe and the shaft.

[0015] The liquid storage mechanism also includes a collection tray located outside the tail end of the return outer tube, with a collection pipe extending through the bottom of the collection tray and a filter installed on the collection pipe.

[0016] The beneficial effects of this invention are as follows: (1) The present invention delivers liquid through a set of pipelines of a double pump. The coolant in the inner tube of the filling liquid will enter the liquid distribution tank and be distributed through the cooling holes to be injected into the heat exchange plate from multiple sets of injection pipes. The coolant in the plate flows back to the outer tube of the return flow through the liquid outlet pipe for circulation cooling, thereby realizing heat dissipation of the motor inside under normal conditions, ensuring the operation of the motor while reducing the influence of high temperature on the magnetism of the permanent magnet.

[0017] (2) When one or more of the twelve sets of magnets in a rotor module deviate due to delamination, the centrifugal force of the rotating motor pulls the movable plate to overcome the hydraulic pressure difference in the telescopic cylinder and drive the movable plate to move outward locally. At the same time, the contact rod on the U-shaped slider rebounds locally, further pulling the movable plate outward. The outward movement pulls the fan-shaped slider to move inside and outside the fan-shaped seat through the traction rod. The fan-shaped slider blocks the cooling hole when it deviates and opens the adjustment hole, so that part of the coolant in the filling inner tube will enter the liquid inlet pipe a from the adjustment hole. The liquid inlet pipe a is injected into the outside of the piston in the telescopic cylinder, thereby increasing the hydraulic pressure on the outside of the piston. The hydraulic pressure difference pulls the movable plate to reset through the output rod, so that the buckle can automatically reset and clamp to correct and reset the magnet, reduce the generation of centrifugal force, and avoid the demagnetization of the permanent magnet caused by motor vibration.

[0018] (3) In this invention, the contact between the flowing liquid and the fan blade drives the worm to rotate. The rotational power drives the gear on the worm wheel shaft to rotate by meshing with the worm wheel and the worm. This rotation overcomes the return torque of the torsion spring in the torsion seat. Furthermore, the meshing between the tooth marks on the rack and the gear drives the rack to move on the sleeve. The displacement causes contact piece a to contact with contact piece b and connects the power line and the solenoid valve line. The solenoid valve line is linearly connected to the valve foot on the normally closed solenoid valve, thereby energizing the normally closed solenoid valve and making the inlet pipe b unobstructed. The coolant in the filling outer pipe will enter the telescopic cylinder through the inlet pipe b through the liquid delivery of another set of pipes on the double pump, further increasing the hydraulic pressure and improving the adjustment and correction efficiency and positioning effect. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the side structure of the present invention; Figure 3 This is a schematic diagram of the cross-sectional structure of the present invention; Figure 4 This is a schematic diagram of the overall rotor structure of the present invention; Figure 5 This is a top view of the rotor structure of the present invention; Figure 6 This is a schematic diagram of the rotor structure from below in this invention; Figure 7 This is a schematic diagram of the disassembly structure of the rotor permanent magnet of the present invention; Figure 8 This is a schematic diagram of a partial overall structure of the rotor laminations of the present invention; Figure 9 This is a partial top view of the rotor lamination structure of the present invention; Figure 10 This is a schematic diagram of the overall structure of the rotor module assembly of the present invention; Figure 11 This is a schematic diagram of the overall structure of the positioning component of the present invention; Figure 12 This is a schematic diagram of a partially disassembled positioning component of the present invention; Figure 13 This is a schematic diagram of the snap-fit ​​structure of the positioning component of the present invention; Figure 14 This is a schematic diagram of the overall structure of the valve assembly of the present invention; Figure 15 This is a schematic cross-sectional view of the valve assembly of the present invention; Figure 16 This is a partial structural diagram of the valve assembly of the present invention; Figure 17 This is a schematic diagram of the sector-shaped seat structure of the valve assembly of the present invention; Figure 18 This is a schematic diagram of the flow guide tank structure of the valve assembly of the present invention; Figure 19 For the present invention Figure 18 Enlarged structural diagram at point A in the middle.

[0020] The reference numerals in the accompanying drawings of this application are as follows: 1. Motor body; 101. Stator module; 102. Shaft; 2. Rotor module; 201. Laminated plates; 202. Patch end; 203. Through hole; 204. Heat exchange plate; 2041. Liquid injection pipe; 2042. Liquid outlet pipe; 205. Magnet; 206. Liquid filling outer pipe; 207. Return outer pipe; 208. Liquid filling inner pipe; 21. Positioning assembly; 211. Support plate; 212. 213. Movable plate; 2131. Telescopic cylinder; 2132. Inlet pipe a; 2133. Return pipe; 2134. Piston; 2135. Output rod; 216. Spring guide rod; 217. U-shaped slider; 218. Contact rod; 219. Pin a; 210. Telescopic connecting rod; 211. Buckle; 2161. Outer buckle end; 2162. Top buckle end; 2163. Hinge; 2164. Pin b; 22. Valve assembly; 221. Liquid mixing tank; 222. Sector seat; 2221. Sector groove; 2222. Limiting edge; 2223. Cooling hole; 2224. Adjustment hole; 2225. Sector slider; 2226. Traction rod; 2227. Return spring; 223. Flow guide tank; 2231. Bearing plate; 2232. Worm gear; 2233. Fan blade; 2234. Worm gear shaft; 2235. Gear; 2236. Torque seat; 224 1. Inlet pipe b; 2241. Normally closed solenoid valve; 2242. Valve foot; 2243. Support rod; 2244. Sleeve; 2245. Toothed rod; 2246. Contact piece a; 2247. Solenoid valve wire; 2248. Contact piece b; 2249. Power cord; 3. Liquid storage mechanism; 301. Duplex pump; 302. Duplex pipe; 303. Magnetohydrodynamic seal; 304. Collection tray; 305. Collection pipe; 306. Filter. Detailed Implementation

[0021] 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.

[0022] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0023] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0024] Example 1: As Figures 1-19 As shown, this embodiment provides a high-efficiency permanent magnet motor. The high-efficiency permanent magnet motor includes a motor body 1 and a rotor module 2 inside the motor body 1. A liquid storage mechanism 3 is provided at the tail end of the motor body 1. A stator module 101 and a shaft 102 are provided inside the motor body 1. The rotor module 2 includes multiple sets of laminations 201 inside the motor body 1. Twelve sets of patch ends 202 are provided on the outer side of the multiple sets of laminations 201. Each of the twelve sets of patch ends 202 is provided with a through hole 203 and a heat exchange plate 204. A magnet 205 is attached to the outer side of the heat exchange plate 204. A liquid filling outer tube 206 is provided inside one end of the shaft 102. A return outer tube 207 is provided on the outer side of the liquid filling outer tube 206. A liquid filling inner tube 208 is provided inside the liquid filling outer tube 206. The rotor module 2 also includes a positioning component 21 and a valve component 22 provided on the multiple sets of laminations 201.

[0025] A liquid injection pipe 2041 and a liquid outlet pipe 2042 are connected through the outer side of the heat exchange plate 204, and multiple sets of liquid outlet grooves are opened on the outer wall of the tail end of the return outer pipe 207.

[0026] In this embodiment, multiple sets of laminations 201 form a rotor structure. Twelve sets of patch ends 202 are used to patch and install magnets 205 with staggered magnetic poles. The liquid filling outer tube 206, the return outer tube 207, and the liquid filling inner tube 208 guide the rotor for heat dissipation and eccentricity adjustment.

[0027] The positioning component 21 includes: a support plate 211, which is disposed on the inner wall of the through hole 203; a movable plate 212, which is movably connected to the through hole 203; a telescopic cylinder 213, which is disposed on the support plate 211; an inlet pipe a 2131, which is connected through to one end of the telescopic cylinder 213; a return pipe 2132, which is connected through to the other end of the telescopic cylinder 213; a piston 2133, which is disposed inside the telescopic cylinder 213; an output rod 2134, which is disposed on the piston 2133; two sets of spring guide rods 214, which are disposed on the support plate 211; and two sets of U-shaped sliders 215, which are disposed at both ends of the movable plate 212.

[0028] In this embodiment, the hydraulic pressure difference between the two ends of the piston 2133 inside the telescopic cylinder 213 can drive the displacement of the through hole 203 of the movable plate 212 via the output rod 2134. The movable plate 212 applies pressure to the magnet 205 after it is attached, thereby correcting and resetting the deviated magnet 205, and at the same time facilitating the installation of the magnet 205.

[0029] The positioning assembly 21 also includes: a contact rod 2151, which is disposed on two sets of U-shaped sliders 215, and the other end of the contact rod 2151 is in contact with the magnet 205; a pin a 2152, which is disposed on the U-shaped sliders 215; a telescopic connecting rod 2153, which is disposed alternately on the pin a 2152; a buckle 216, which is disposed on both sides of the patch end 202; an outer buckle end 2161, which is disposed at the tail end of the buckle 216; a top buckle end 2162, which is disposed at the upper end of the buckle 216; a hinge 2163, which is disposed at the other end of the buckle 216; and a pin b 2164, which is disposed on the buckle 216.

[0030] In this embodiment, by connecting and pulling the two sets of telescopic connecting rods 2153 on the U-shaped slider 215 with the buckle 216, the buckle 216 is opened and closed by the displacement of the U-shaped slider 215 when the magnet 205 is not installed. Thus, the structure on the buckle 216 facilitates the installation and positioning of the magnet 205 while ensuring the clamping effect of the magnet 205, avoiding the magnet 205 from detaching to a large extent when delamination occurs, and reducing the impact of eccentricity on the demagnetization of the permanent magnet.

[0031] Valve assembly 22 includes: a liquid mixing tank 221, which is located at the top of the outer filling pipe 206, and the top of the inner filling pipe 208 penetrates the bottom of the liquid mixing tank 221; a sector seat 222, with twelve sector seats 222 located inside the liquid mixing tank 221; a sector groove 2221, which is formed on the sector seat 222; a limiting edge 2222, which is located on the sector seat 222; and a cooling hole 2223 for cooling. Hole 2223 is provided under sector seat 222; adjustment hole 2224 is provided under sector seat 222; sector slider 2225 is movably connected in sector groove 2221; traction rod 2226 is provided on sector slider 2225 and its other end is fixedly connected to movable plate 212; return spring 2227 is provided in sector seat 222.

[0032] Cooling hole 2223 is opened on the outer arc side of sector seat 222, adjustment hole 2224 is opened on the inner arc side of sector seat 222, and adjustment hole 2224 is opened below sector slider 2225 in normal state.

[0033] In this embodiment, the coolant in the inner filling pipe 208 is delivered by the dual pump 301 and enters the liquid distribution tank 221. It is then distributed through the cooling holes 2223 and injected into the heat exchange plate 204 through multiple sets of injection pipes 2041. The coolant in the plate flows back to the outer return pipe 207 through the outlet pipe 2042 for circulation cooling, thereby achieving heat dissipation inside the motor under normal conditions. This ensures the operation of the motor while reducing the impact of high temperature on the magnetism of the permanent magnet. When one or more of the twelve sets of magnets 205 deviate from their adhesive bond, the centrifugal force of the rotating motor pulls the movable plate 212 to overcome the hydraulic pressure difference in the telescopic cylinder 213, causing the movable plate 212 to move partially outward. At the same time, the contact rod 2151 on the U-shaped slider 215 rebounds partially, further pulling the movable plate 212 outward. This outward movement, via the traction rod 2226, pulls the fan-shaped slider 2225 to move in and out of the fan-shaped seat 222. The outward movement of the fan-shaped slider 2225 during deviation covers the cooling hole 2223. The block opens the regulating hole 2224, allowing some coolant in the inner filling tube 208 to enter the inlet pipe a2131 through the regulating hole 2224. The coolant is then injected into the outside of the piston 2133 in the telescopic cylinder 213 through the inlet pipe a2131, causing the hydraulic pressure on the outside of the piston 2133 to rise. The hydraulic pressure difference is then used to pull the movable plate 212 to reset via the output rod 2134, allowing the buckle 216 to automatically reset and clamp the magnet 205 to correct its deviation and reduce the generation of centrifugal force.

[0034] The valve assembly 22 also includes: a flow guide tank 223, twelve sets of flow guide tanks 223 are located at the bottom of the liquid preparation tank 221; a bearing plate 2231, the bearing plate 2231 is located inside the flow guide tank 223; a worm gear 2232, the worm gear 2232 is movably connected to the bearing plate 2231; a fan blade 2233, the fan blade 2233 is located on the worm gear 2232; a worm wheel shaft 2234, the worm wheel shaft 2234 is connected through to the outer wall of the flow guide tank 223; a gear 2235, the gear 2235 is located at one end of the worm wheel shaft 2234; and a torque seat 2236, the torque seat 2236 is located at the connection between the worm wheel shaft 2234 and the flow guide tank 223.

[0035] Valve assembly 22 further includes: inlet pipes b224, twelve sets of inlet pipes b224 passing through and connected to the outside of the filling outer pipe 206; normally closed solenoid valve 2241, the normally closed solenoid valve 2241 is disposed on the inlet pipes b224; valve foot 2242, the valve foot 2242 is disposed on the normally closed solenoid valve 2241; support rod 2243, the support rod 2243 is fixedly connected to the outer wall of the inlet pipe a2131; and sleeve 2244, the sleeve 2244 is disposed on... Support rod 2243; toothed rod 2245, movably connected to one end of sleeve 2244; contact piece a2246, fixedly connected to one end of toothed rod 2245; solenoid valve line 2247, located on contact piece a2246; contact piece b2248, fixedly connected inside sleeve 2244; power line 2249, located on contact piece b2248.

[0036] In this embodiment, when coolant flows through the inlet pipe a2131, the liquid flow, through contact with the fan blade 2233, drives the worm 2232 to rotate. The rotational power, via the meshing of the worm wheel on the worm shaft 2234 and the worm 2232, drives the gear 2235 on the worm shaft 2234 to rotate, overcoming the return torque of the torsion spring inside the torsion seat 2236. Furthermore, through the meshing of the toothed grooves on the rack 2245 with the gear 2235, the rack 2245 is displaced on the sleeve 2244. This displacement causes the contact... Contact plate a2246 contacts contact plate b2248 and connects power line 2249 and solenoid valve line 2247. Solenoid valve line 2247 is linearly connected to valve foot 2242 on normally closed solenoid valve 2241, thereby energizing normally closed solenoid valve 2241 and making inlet pipe b224 unobstructed. Through the liquid delivery of another set of pipes on the dual pump 301, coolant in filling outer pipe 206 will enter telescopic cylinder 213 through inlet pipe b224, further increasing hydraulic pressure and improving adjustment efficiency and positioning effect.

[0037] Example 2: Figure 2 As shown, components that are the same as or corresponding to those in Embodiment 1 are referred to using the same reference numerals as in Embodiment 1. For simplicity, only the differences from Embodiment 1 are described below. The difference between Embodiment 2 and Embodiment 1 is as follows: The liquid storage mechanism 3 includes a double pump 301 located on the tail end of the motor body 1. The double pump 301 is equipped with a double pipe 302, and a magnetic fluid seal 303 is provided at the connection end between the double pipe 302 and the shaft 102.

[0038] The liquid storage mechanism 3 also includes a collection tray 304 located outside the tail end of the return outer tube 207. A collection tube 305 is connected through the bottom of the collection tray 304, and a filter 306 is provided on the collection tube 305.

[0039] In this embodiment, the dual pump 301 is connected to the dual pipe 302 through two combined outlets, so that coolant can be supplied to the outer filling pipe 206 and the inner filling pipe 208 separately. The pipe joint is rotated sealed by the magnetic fluid seal 303, which can ensure the supply of coolant without affecting the rotation of the shaft 102. Since the magnetic fluid seal is existing technology, it will not be described in detail in this article. The collection tray 304 is in a fixed state, and the connection with the return outer pipe 207 also uses magnetic fluid sealing technology. Thus, the coolant that is cooled and returned in the return outer pipe 207 will be discharged into the collection tray 304 through the liquid outlet groove opened on the return outer pipe 207, and then filtered by the filter 306 on the collection pipe 305 before flowing back to the coolant station for recycling.

[0040] Work steps Step 1, Permanent Magnet Installation Procedure: After applying adhesive to the back of the magnet 205, align it with the two sets of clips 216 on the patch end 202 and attach it to the heat exchange plate 204. During the pasting process, the back of both ends of the magnet 205 will first contact and engage with the contact rods 2151 on the two sets of U-shaped sliders 215. By squeezing the two sets of U-shaped sliders 215, the movable plate 212 moves backward in the through hole 203. At the same time, the output rod 2134 pushes the piston 2133 in the telescopic cylinder 213 to move backward to a stable position, thereby setting the initial hydraulic pressure difference state in the telescopic cylinder 213, that is, the magnet 205 is in the attached state. When the two sets of U-shaped sliders 215 move backward, the connection between the telescopic link 2153 and the buckle 216 will drive the two sets of buckles 216 to close, and the two sets of buckles 216 will clamp and position the two ends of the magnet 205. Step 2, Motor Operation Cooling Process: During motor operation, the coolant in the inner filling pipe 208 will enter the liquid distribution tank 221 through the liquid delivery of a set of pipelines by the dual pump 301, and will be distributed through the cooling holes 2223 to be injected into the heat exchange plate 204 through multiple sets of liquid injection pipes 2041. The coolant in the plate will flow back to the return outer pipe 207 through the liquid outlet pipe 2042 for circulation cooling, thereby achieving heat dissipation of the motor inside under normal conditions, ensuring motor operation while reducing the impact of high temperature on the magnetism of permanent magnets; The coolant in the return pipe 207 will be discharged into the collection tray 304 through the outlet trough on the return pipe 207, and then filtered by the filter 306 on the collection pipe 305 before flowing back into the coolant station for recycling. Step 3: Automatic centrifugal vibration correction process of the motor: When one or more of the twelve sets of magnets 205 in a rotor module 2 deviate due to adhesive failure, the centrifugal force of the rotating motor pulls the movable plate 212 to overcome the hydraulic pressure difference in the telescopic cylinder 213, causing the movable plate 212 to move outward locally. At the same time, the contact rod 2151 on the U-shaped slider 215 rebounds locally, further pulling the movable plate 212 outward. This outward movement, via the traction rod 2226, pulls the fan-shaped slider 2225 to move in and out of the fan-shaped seat 222. The outward movement of the fan-shaped slider 2225 when it deviates aligns with the cooling hole 222. 3. The cooling water is blocked and the regulating hole 2224 is opened, so that part of the coolant in the inner tube 208 will enter the inlet pipe a2131 through the regulating hole 2224. The coolant is injected into the outside of the piston 2133 in the telescopic cylinder 213 through the inlet pipe a2131, thereby increasing the hydraulic pressure on the outside of the piston 2133. The hydraulic pressure difference is pulled by the output rod 2134 to reset the movable plate 212, so that the buckle 216 can automatically reset and clamp the magnet 205 to correct and reset, reduce the generation of centrifugal force, and avoid demagnetization of permanent magnet caused by motor vibration. At the same time, the liquid injection pipe 2041 on the heat exchange plate 204 corresponding to the magnet 205 will stop supplying coolant, so that the coolant in the heat exchange plate 204 cannot circulate, and its internal temperature will change. The internal sensor will receive the signal and transmit it to the outside to remind the staff to re-glue the debonded magnet 205 in time. Step 4, Correction and Compensation Process: When correcting the alignment using coolant in the inlet pipe a2131, the liquid flow, through contact with the fan blade 2233, drives the worm 2232 to rotate. This rotational power, via the meshing of the worm wheel on the worm shaft 2234 and the worm 2232, drives the gear 2235 on the worm shaft 2234 to overcome the return torque of the torsion spring inside the torsion seat 2236, causing it to rotate. Furthermore, through the meshing of the tooth marks on the rack 2245 with the gear 2235, the rack 2245 is displaced on the sleeve 2244. The movement causes contact piece a2246 to contact contact piece b2248 and connects power line 2249 and solenoid valve line 2247. Solenoid valve line 2247 is linearly connected to valve foot 2242 on normally closed solenoid valve 2241, thereby energizing normally closed solenoid valve 2241 and making inlet pipe b224 unobstructed. Through the liquid delivery of another set of pipes on the dual pump 301, the coolant in the filling outer pipe 206 will enter the telescopic cylinder 213 through inlet pipe b224, further increasing the hydraulic pressure and improving the adjustment and correction efficiency and positioning effect. In summary, this invention uses a mechanical structure to stabilize and switch the supply direction of coolant individually or simultaneously, thereby cooling the motor during normal operation. When the permanent magnets attached to the rotor detach, the pipeline can be switched in time to inject coolant into the cylinder. Upon successful switching, compensation can be triggered by the flow of liquid, and sufficient hydraulic differential can automatically and promptly correct and reset the individual permanent magnets. This effectively reduces the vibration caused by rotor wear and local deformation leading to rotor center of gravity deviation, further preventing permanent magnet demagnetization due to vibration and improving the overall service life of the motor.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A high-efficiency permanent magnet motor, comprising a motor body (1), characterized in that, Also includes: Rotor module (2), which is located inside the motor body (1) and is used for installing and positioning the permanent magnet and for centrifugal correction; A liquid storage mechanism (3) is provided at one end of the motor body (1) and is used to supply coolant to the motor in the starting state; The motor body (1) is provided with a stator module (101) and a shaft (102). The rotor module (2) includes multiple sets of laminations (201), twelve sets of patch ends (202), through holes (203), heat exchange plates (204), magnets (205), liquid filling outer tube (206), return outer tube (207) and liquid filling inner tube (208) disposed in the motor body (1) and used to form the overall structure of the rotor. The rotor module (2) also includes a positioning component (21) and a valve component (22) disposed on the multiple sets of laminations (201).

2. The high-efficiency permanent magnet motor according to claim 1, characterized in that, The heat exchange plate (204) is connected to a liquid injection pipe (2041) and a liquid outlet pipe (2042) through the outside. The outer wall of the reflux outer pipe (207) has multiple sets of liquid outlet grooves.

3. The high-efficiency permanent magnet motor according to claim 1, characterized in that, The positioning component (21) includes a support plate (211), a movable plate (212), a telescopic cylinder (213), an inlet pipe a (2131), a return pipe (2132), a piston (2133), an output rod (2134), a spring guide rod (214), and a U-shaped slider (215) disposed on multiple sets of the stacked plates (201) and used to adjust the position of the positioning structure and the permanent magnet.

4. A high-efficiency permanent magnet motor according to claim 3, characterized in that, The positioning component (21) also includes a contact rod (2151), a pin a (2152), a telescopic link (2153), a buckle (216), an outer buckle end (2161), a top buckle end (2162), a hinge (2163), and a pin b (2164) disposed on the two sets of U-shaped sliders (215) for clamping and positioning the permanent magnet.

5. A high-efficiency permanent magnet motor according to claim 1, characterized in that, The valve assembly (22) includes a liquid distribution tank (221), a sector seat (222), a sector groove (2221), a limiting edge (2222), a cooling hole (2223), an adjustment hole (2224), a sector slider (2225), a traction rod (2226), and a return spring (2227) located at the top of the liquid filling outer pipe (206) for automatically regulating the coolant flow pipeline.

6. A high-efficiency permanent magnet motor according to claim 5, characterized in that, The cooling hole (2223) is located on the outer arc side of the fan-shaped seat (222), the adjustment hole (2224) is located on the inner arc side of the fan-shaped seat (222), and the adjustment hole (2224) is located below the fan-shaped slider (2225) in its normal state.

7. A high-efficiency permanent magnet motor according to claim 5, characterized in that, The valve assembly (22) also includes a flow guide (223), a bearing plate (2231), a worm (2232), a fan blade (2233), a worm shaft (2234), a gear (2235), and a torque seat (2236) located at the bottom of the liquid mixing tank (221) and used for driving the trigger compensation assembly.

8. A high-efficiency permanent magnet motor according to claim 1, characterized in that, The valve assembly (22) also includes an inlet pipe b (224) that runs through the outside of the filling outer pipe (206) and is used to trigger the injection of compensating coolant, a normally closed solenoid valve (2241), a valve foot (2242), a support rod (2243), a sleeve (2244), a rack (2245), a contact a (2246), a solenoid valve wire (2247), a contact b (2248), and a power supply wire (2249).

9. A high-efficiency permanent magnet motor according to claim 1, characterized in that, The liquid storage mechanism (3) includes a double pump (301), a double pipe (302), and a magnetohydrodynamic seal (303) disposed on the tail end housing of the motor body (1) for supplying coolant to the motor when it rotates.

10. A high-efficiency permanent magnet motor according to claim 1, characterized in that, The liquid storage mechanism (3) also includes a collection tray (304), a collection pipe (305), and a filter (306) located outside the tail end of the return pipe (207) for returning the coolant.

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