CN222339230U - A multi-state permanent magnet motor system - Google Patents

Abstract

The utility model relates to the technical field of motors, and provides a multi-state permanent magnet motor system which comprises a first shaft provided with a first permanent magnet, a second permanent magnet and a third permanent magnet which are correspondingly arranged on the first shaft from inside to outside, a second stator and a third stator which are correspondingly arranged on the second vertical wall of the second shaft, a fourth permanent magnet which is correspondingly arranged on the fourth vertical wall of the second shaft, a magnetic disk and a magnetic sleeve which are arranged at the front end of the first shaft, wherein the stator and the rotor form multi-state electromagnetic coupling and decoupling relations, the output capacity of multiple electric ports and multiple mechanical ports is reflected, the high efficiency and the wide range are redundant in multiple fault tolerance, and the solution scheme of selectable multi-mechanical port output and diversified operation and control modes is provided for meeting the application requirements of complex change of load side working conditions.

Description

Multi-state permanent magnet motor system

Technical Field

The utility model relates to the technical field of motors, in particular to a multi-quality permanent magnet motor system.

Background

The electrical performance and the function of the traditional motor are composed of single shaft and simple electromagnetic power output, the limited high-efficiency interval of the single stator-rotor motor can not meet the load requirement of complex working conditions, and the artificial AI intelligence and the multi-element automation need the motor to provide a solution of high-efficiency complex power and multi-port output.

Disclosure of Invention

The utility model provides a multi-state permanent magnet motor system, which is characterized by multiple electromagnetic motive power and diversified operation modes thereof, realizes the performance and functions of multi-port output of multiple electromagnetic motive power such as independent operation, combined operation, power split operation, torque conversion speed change operation, hybrid power operation and the like, and meets the differential requirements of multiple load side working conditions of intelligent equipment by a topological structure with high power density and high volume density.

The utility model provides a multi-state permanent magnet motor system, which comprises:

The first shaft is provided with a first permanent magnet, a stator is correspondingly arranged, the first stator is provided with multiple windings, for example, three sets of windings with multiple windings are arranged, the second shaft is provided with a second permanent magnet and a third permanent magnet respectively from inside to outside, the third shaft is correspondingly provided with a second stator and a third stator, for example, four sets of windings with multiple windings are arranged, the vertical inner wall of the second shaft is provided with a fourth permanent magnet, the corresponding stator is provided with a fourth stator, the fourth stator is provided with a double winding, and the magnetic disk and the magnetic sleeve are arranged at the front end of the first shaft.

Alternatively, under the topology of the present utility model, stator one, stator two, stator three, stator four and corresponding permanent magnets, including but not limited to, axial and radial split side-by-side configurations.

Alternatively, the stator includes, but is not limited to, a set of armature windings, not limited to the number and shape of the slots laid on the stator sheet, not limited to the slot orientation of the slots and the number of layers of turns of the slots, not limited to being formed from modules of different materials and windings of different shapes.

Alternatively, the first and second shafts include electromagnetic clutches and mechanical clutches thereof, but are not limited to coupling and decoupling using other objects and means.

The utility model relates to a multi-state permanent magnet motor system which comprises a first shaft and/or a second shaft, a second permanent magnet, a third permanent magnet, a fourth permanent magnet and at least one electromagnetic acting force of the second stator, the third stator and the fourth stator.

The utility model relates to a multi-state permanent magnet motor system, which comprises a first modulation unit formed by a first stator and a second stator, and a first magnetic gear formed by the first permanent magnet, the first modulation unit and the second permanent magnet, so that a first shaft and a second shaft output variable speed and variable torque power;

The utility model discloses a multi-state permanent magnet motor system, which comprises more than one stator part and more than one modulation part, wherein the stator part and the stator part are axially arranged in parallel, the modulation part of the stator I and the modulation part of the stator II form a second modulation unit, the second modulation unit and the corresponding parts of the permanent magnet I and the permanent magnet II form a second magnetic gear, and variable speed and variable torque power is output through a shaft I and a shaft II.

The utility model discloses a multi-state permanent magnet motor system, which comprises a double permanent magnet composed of a second permanent magnet and a third permanent magnet, wherein any one of the second stator and the third stator and the electromagnetic acting force of the double permanent magnet and/or the second stator and the third stator jointly and the electromagnetic acting force of the double permanent magnet enable a second shaft to output power.

Alternatively, the second permanent magnet and the third permanent magnet are used independently or are integrated into a double permanent magnet.

The utility model relates to a multi-state permanent magnet motor system which comprises a magnetic sleeve, a stator IV and a permanent magnet IV of a magnetic disk and a shaft I, wherein the magnetic sleeve, the stator IV and the permanent magnet IV are magnetically coupled and decoupled, so that electromagnetic power output by the shaft I and the shaft II is communicated and converted.

The utility model relates to a multi-quality permanent magnet motor system, which comprises a stator I, a stator III and a rotor II, wherein the stator I is formed by multi-layer single-double-layer mixed armature windings, the number of tooth grooves of each layer of single-double-layer mixed armature windings is different, the tooth grooves of each layer of single-double-layer mixed armature windings and the stator I generate electromagnetic action to enable a shaft I to output power.

The utility model discloses a multi-state permanent magnet motor system, which comprises a first shaft and/or a second shaft for outputting power by the mixed acting force of electromagnetic power with various states.

The utility model relates to a multi-state permanent magnet motor system, which comprises a first shaft and/or a second shaft driven by external force and the like to rotate so as to drive permanent magnets to rotate and generate electric power with corresponding stators in a mutual inductance mode, and/or the first shaft or the second shaft drives permanent magnets to rotate and output electric power with corresponding stators in a mutual inductance mode by electromagnetic power of the multi-state permanent magnet motor system.

The utility model relates to a multi-state permanent magnet motor system, which comprises a motor and a generator, and is not limited to a permanent magnet synchronous motor and a permanent magnet synchronous generator.

In summary, the multi-state permanent magnet motor system has the technical scheme of various state electromagnetic motive power and various operation modes thereof, and has remarkable technical effects.

Drawings

In order to more clearly show the technical solution of the present utility model, it will be apparent from the description of the drawings and the embodiments, it is also possible for a person skilled in the art to obtain other embodiments according to the embodiments of the present utility model, the topology and the drawings thereof without inventive effort, which all fall within the scope of protection of the present utility model.

FIG. 1 is a schematic diagram of a multi-state permanent magnet motor system topology of the present utility model;

The stator I, the stator II, the stator 3 and the stator III;

4. a stator IV, a permanent magnet I, a permanent magnet 6 and a permanent magnet II;

7. Permanent magnet III, permanent magnet IV, 9, double permanent magnets;

10. The magnetic disk comprises a first shaft, a second shaft, 12 magnetic sleeves, 13 magnetic disks;

101. 102, a stator-modulating part;

201. and 202, a stator two-stator part and a stator two-modulation part.

Detailed Description

The utility model relates to a multi-state permanent magnet motor system, and fig. 1 shows the topological structure of the multi-state permanent magnet motor system.

1. According to a multi-state permanent magnet motor system (as shown in figure 1) provided in this embodiment,

The multi-state motor is provided with an inner shell and an outer shell, wherein the inner wall of the inner shell is provided with a first stator 1, the first stator 1 is provided with three sets of windings, the outer wall of the inner shell is provided with a second stator 2, the inner wall of the outer shell is provided with a third stator 3, the third stator 3 is provided with four sets of windings, the outer end face of the inner shell is provided with a fourth stator 4, the fourth stator is provided with a double winding, a first shaft 10 is provided with a first permanent magnet 5 corresponding to the first stator 1, the inner wall of the second shaft 11 is provided with a second permanent magnet 6, the outer wall of the second shaft is provided with a third permanent magnet 7 corresponding to the second stator 2 and the third stator 3 respectively, the vertical inner wall of the second shaft 11 is provided with a fourth permanent magnet 8 corresponding to the fourth stator 4, a magnetic sleeve 12 is sleeved at the front end of the first shaft 10, a magnetic disc 13 is slidably sleeved at the periphery of the magnetic sleeve 12, and the magnetic disc 13 is positioned between the fourth stator 4 and the fourth permanent magnet 8.

2. According to the multi-state permanent magnet motor system power independent operation and combined operation mode provided by the embodiment, the first stator 1 and the first permanent magnet 5, the second stator 2 and the second permanent magnet 6, the third stator 3 and the third permanent magnet 7, and the fourth stator 4 and the fourth permanent magnet 8 respectively and independently operate, or at least two electromagnetic power jointly operate to enable the first shaft 10 and the second shaft 11 to output power, when the combined operation mode is implemented, the angular speed of the combined power is the same, electromagnetic acting force is generated between the first stator 1 and the first permanent magnet 5 to enable the first shaft 10 to output power, and/or the second stator 2 and the second permanent magnet 6, the third stator 3 and the third permanent magnet 7, and the fourth stator 4 and the fourth permanent magnet 8, wherein each electromagnetic acting force independently enables the second shaft 11 to output power.

Alternatively, the at least two electromagnetic forces are operated in combination simultaneously, for example, the first stator 1 and the first permanent magnet 5 are operated in electromagnetic force, so that the first shaft 10 outputs power, the second stator 2 and the second permanent magnet 6, the third stator 3 and the third permanent magnet 7, and the fourth stator 4 and the fourth permanent magnet 8 are operated simultaneously in electromagnetic force, so that the second shaft 11 outputs combined power, and the angular speeds of the operation main body in combination mode are the same.

3. According to the multi-state permanent magnet motor system power speed-changing torque-changing operation mode provided by the embodiment, the first magnetic gear is driven by the second shaft 11 power to operate so that the first shaft 10 outputs power, and when the speed-reducing torque-increasing operation is implemented, the first magnetic gear is driven by the first shaft 10 power to operate so that the second shaft 11 outputs power. For example, alternatively, a first magnetic gear is set up, which comprises an outer rotor, a first modulation unit and an inner rotor, wherein the outer rotor is a permanent magnet II 6, the inner rotor is a permanent magnet I5, the first modulation unit is composed of a stator I1 and a stator II 2, the stator III 3 and the permanent magnet III 7 generate electromagnetic acting force to drive the outer rotor of the first magnetic gear to rotate, the first modulation unit acts on the inner rotor of the first magnetic gear, and the first modulation unit outputs speed-increasing moment-reducing power through a shaft I10.

4. According to the multi-state permanent magnet motor system speed-reducing and moment-increasing operation mode provided by the embodiment, when the power speed-reducing and moment-increasing operation mode is implemented, a stator part and a modulation part which are arranged in parallel are respectively arranged to form a second magnetic gear, the second magnetic gear comprises an outer rotor, a second modulation unit and an inner rotor, the second modulation unit consists of a first stator modulation part 102 and a second stator modulation part 202, and the outer rotor and the inner rotor consist of a second permanent magnet 6 and a first permanent magnet 5 which correspond to the second modulation unit respectively.

Alternatively, the first stator part 101 and the corresponding part of the first permanent magnet 5 generate electromagnetic acting force to drive the inner rotor of the second magnetic gear to rotate, the inner rotor power acts on the outer rotor of the second magnetic gear through the second modulation unit, and the second shaft 11 outputs the power for reducing and increasing the moment, wherein the first stator 1 comprises the first stator part 101 and the first stator modulation part 102, and the second stator 2 comprises the second stator part 201 and the second stator modulation part 202.

Alternatively, the number of the stator part and the modulation part of the stator may be set as needed.

5. According to the operation mode of the double permanent magnet 9 of the multi-state permanent magnet motor system provided by the embodiment, according to the working condition requirement of the load side, the double permanent magnet 9 can generate electromagnetic acting force with one of the second stator 2 and the third stator 3 or generate electromagnetic acting force with the second stator 2 and the third stator 3 at the same time, so that the second shaft 11 outputs power.

Optionally, the second permanent magnet 6 and the third permanent magnet 7 are integrated into the double permanent magnet 9 for use, so that the magnetic property of the rotor is enhanced, and under the regulation and control of the controller, the double permanent magnet 9 and the second stator 2 and the third stator 3 respectively generate electromagnetic acting force, or generate electromagnetic acting force together with the second stator 2 and the third stator 3, so that the second shaft 11 outputs power.

6. According to the power communication conversion operation mode of the multi-state permanent magnet motor system provided by the embodiment, when the magnetic disk 13 is in the decoupling state, the first shaft 10 and the second shaft 11 independently output power, when the magnetic disk 13 is in the coupling state, the first shaft 10 is magnetically connected with the second shaft 11, the first shaft 10 and the second shaft 11 mutually convert and transmit multi-state electromagnetic force and output power, and the angular speed of the first shaft 10 and the second shaft 11 is the same when the magnetic coupling connection is implemented.

Under the control of a controller, the magnetic disk 13 is positioned at an initial position when in an electromagnetic decoupling state, the magnetic disk 13 and the four 4 windings of the stator are in a magnetic attraction state and are in a magnetic separation state with the four permanent magnets 8 and the magnetic sleeve 12, the first shaft 10 and the second shaft 11 independently output power, when the magnetic disk 13 is in the magnetic coupling state, the four 4 windings of the stator generate electromagnetic repulsive force to enable the magnetic disk 13 to axially move to a stop position along the magnetic sleeve 12 to the four permanent magnets 8, the magnetic disk 13 is respectively and magnetically connected with the corresponding part of the four permanent magnets 8 and the magnetic sleeve 12, the power of the first shaft 10 and the second shaft 11 can be mutually converted according to load requirements, the four 4 radial windings of the stator are arranged, the outer Zhou Raozu and the outer peripheral part of the four permanent magnets 8 generate electromagnetic acting force output power, and the inner Zhou Raozu and the magnetic disk 13 generate electromagnetic attraction and repulsion acting force.

Alternatively, under the control of the controller, when the first shaft 10 or the second shaft 11 is subjected to single-shaft load, the power of the power shaft can be switched to be output by the load shaft, and when both shafts are subjected to load, the redundant power of one shaft can be transferred to the other load shaft for use, and the angular speed of the first shaft 10 is the same as that of the second shaft 11. For example, when the load of the first shaft 10 is large and the electromagnetic force of the first stator 1 and the first permanent magnet 5 cannot meet the requirement, the controller makes the magnetic disk 13 in a coupled state, and makes the second stator 2, the third stator 3 and the double permanent magnet 9 generate electromagnetic force, and the first shaft 10 is magnetically connected with the second shaft 11, so that the power of the second shaft 11 acts on the load of the first shaft 10.

7. According to the multi-armature winding operation mode of the multi-state permanent magnet motor system stator, under the regulation and control of the controller, through the electric connection of the armature windings of the turn-off and turn-on parts of the controller, the three sets of armature windings of the stator I1 respectively generate electromagnetic acting force with the permanent magnet I5, the shaft I10 outputs multiple rated powers and interacts with other operation modes, the motor operates at the highest efficiency when operating at the rated powers, and the four sets of armature windings of the stator III 3 respectively generate electromagnetic acting force with the permanent magnet III 7 and the double permanent magnet 9, so that the shaft II 11 outputs multiple rated rotational speeds and interacts with other operation modes.

Specifically, the permanent magnet one has 5 poles of six poles, the stator one 1 is provided with forty-five tooth grooves, the tooth grooves comprise three sets of single-double-layer mixed armature windings, the slot pole ratio of the three sets of windings is respectively hexapole eighteen-slot three-phase armature windings, the six pole thirty-six-slot three-phase armature windings comprise nine single-layer coils and nine double-layer coils, the hexapole thirty-six-slot three-phase armature windings comprise eighteen single-layer coils and nine double-layer coils, and the hexapole forty-five-slot three-phase armature windings comprise thirty-six single-layer coils and nine double-layer coils.

Specifically, the numbers of the magnetic poles of the permanent magnet three 7 and the double permanent magnet 9 are eight poles, the stator three 3 is provided with forty-eight tooth grooves, the four sets of double-layer lap winding armature windings are included, the slot pole ratio of the four sets of windings is respectively eight poles and twelve out-of-phase slot three-phase armature windings, and the four sets of windings include twelve out-of-phase slot coils; the eight-pole twenty-four in-phase slot three-phase armature winding comprises twenty-four in-phase slot coils, the eight-pole thirty-six in-phase and out-phase slot three-phase armature winding comprises twenty-four in-phase slot coils and twelve out-phase slot coils, and the eight-pole forty-eight in-phase slot armature winding comprises twenty-four in-phase slot coils and twenty-four out-phase slot coils.

The armature windings with different slot pole ratios can obtain different back electromotive force, so that each set of armature windings operates at high efficiency with different rated rotational speeds, the load side always operates in a high-efficiency interval, and the defect that the existing motor and the control technology thereof adopt a low-efficiency flux weakening control mode when the motor operates at the over-rated rotational speeds is overcome. For example, the speed interval of the new energy electric vehicle is 1-120 km, the new energy electric vehicle is divided into three working condition areas of high speed, medium speed and low speed, three rated rotational speed powers of three sets of windings are matched with the three working condition areas, one motor is used for enabling the three working conditions of the electric vehicle to all operate in a high-efficiency interval, the cruising mileage of the electric vehicle is increased, and the cost is saved.

8. According to the multi-state power hybrid operation mode of the multi-state permanent magnet motor system provided by the embodiment, under the regulation and control of the controller, the multi-state power hybrid operation mode comprises at least two or more than two state electromagnetic acting forces which jointly and simultaneously operate, so that the first shaft 10 and/or the second shaft 11 output power, and at the same time, the operation mode of mixing the at least two or more than two state electromagnetic acting forces is implemented.

For example, the electromagnetic acting forces of the third set of armature windings of the stator III 3 and the permanent magnets III 7, the fourth set of armature windings of the stator IV 4 and the fourth set of permanent magnets IV 8 are transmitted to the load side of the second shaft 11, thirty percent of power is transmitted to the first shaft 10 through the second magnetic gear, the first shaft 10 transmits the eighty percent of obtained power to the load side of the first shaft, twenty percent of power generates electromagnetic mutual inductance power generation through the corresponding part of the first stator part 101 and the first permanent magnet 5, and the embodiment comprises a combined operation mode, a multi-armature mode, a double-permanent magnet 9 mode, an independent operation mode, a power split mode, a variable speed and torque mode and a power generation mode.

Optionally, the electromagnetic force of the second set of armature windings of the stator III 3 and the outer peripheral parts of the permanent magnet III 7, the outer Zhou Raozu of the stator IV 4 and the outer peripheral parts of the permanent magnet IV 8 are transmitted to the load side of the shaft II 11, the electromagnetic force of the stator I1 and the permanent magnet I5 is transmitted to the load side of the shaft I10, the magnetic disk 13 is coupled with the magnetic sleeve 12 and the inner peripheral parts of the permanent magnet IV 8 under the control of the controller, the power of the shaft I10 and the shaft II 11 is connected, and the power required by each shaft is distributed according to the load requirements of the two shafts.

9. According to the multi-state permanent magnet motor system power generation operation mode, the first shaft 10 and/or the second shaft 11 are/is driven by external force to rotate for power generation, or at least one electromagnetic acting force of the second shaft 11 drives the other permanent magnet to rotate for power generation with corresponding stators in a mutual inductance mode, or other permanent magnets and stators are driven by magnetic gears for power generation in a mutual inductance mode, and the second shaft 11 and/or the first shaft 10 are/is driven by external force such as a wind turbine impeller, a hydraulic turbine and the like to rotate, so that the first permanent magnet 5, the second permanent magnet 6, the third permanent magnet 7 and the fourth permanent magnet 8 respectively generate electromagnetic induction output power with corresponding stators.

Optionally, any one or two of the second permanent magnet 6, the third permanent magnet 7 and the fourth permanent magnet 8 and the corresponding stator generate electromagnetic acting force, so that the second shaft 11 rotates and drives the other permanent magnets to mutually inductance with the corresponding stator to output power, and at the moment, the power generation stator and the battery are conducted to load.

Alternatively, any one of the corresponding parts of the third permanent magnet 7, the fourth permanent magnet 8, the second stator part 201 and the second permanent magnet 6 generates electromagnetic force, so that the second shaft 11 rotates, and the first shaft 10 drives the corresponding part of the first permanent magnet 5 to generate power with the first stator part 101 in a mutual inductance way through the second magnetic gear.

10. According to the multi-state permanent magnet motor system power splitting operation mode provided by the embodiment, when the power splitting operation mode is implemented, the first shaft 10 and the second shaft 11 simultaneously transmit part of power of electromagnetic power to the load side respectively. And under the regulation and control of the controller, part of electromagnetic power is transmitted to the load side of the driving shaft, and part of electromagnetic power is transmitted to the load side of the driven shaft through the magnetic gear.

Alternatively, the electromagnetic forces of the third permanent magnet 7 and the third stator 3, and/or the fourth permanent magnet 8 and the fourth stator 4, cause the second shaft 11 to transfer part of the power to its shaft end load side, and another part of the power to the load side of the first shaft 10 through the first magnetic gear.

Alternatively, the first stator part 101 and its corresponding first permanent magnet 5 generate electromagnetic force, and part of the power is output from the first shaft 10 to the load side thereof, and the rest of the power is transmitted to the load side of the second shaft 11 through the second magnetic gear.

The foregoing embodiments are only for illustrating the technical solution of the present utility model, but not for limiting the same, and although the foregoing embodiments have been described in detail, it should be understood by those skilled in the art that the technical solution described in the foregoing embodiments may be modified or equivalently replaced with some technical features thereof, and these modifications or replacements do not depart from the essence of the corresponding technical solution from the core scope and protection scope of the technical solution of the embodiments of the present utility model.

The multi-state permanent magnet motor system can implement electromagnetic power decoupling and coupling relations of other non-described multi-state permanent magnet motors based on the topological structure, comprises a motor, a generator, a transmission system of the motor and the generator, and the like, and can selectively set a required operation mode according to the needs of diversified actual load working conditions.

Claims (10)

1. A multi-state permanent magnet motor system is characterized by comprising a first shaft provided with a first permanent magnet, a first stator correspondingly provided with a plurality of windings, wherein the second shaft is provided with a second permanent magnet and a third permanent magnet respectively from inside to outside, the second stator and the third stator correspondingly provided with a plurality of windings, the vertical wall of the second shaft is provided with a fourth permanent magnet, the fourth stator correspondingly provided with a fourth stator, the fourth stator is provided with a double winding, and a magnetic disk and a magnetic sleeve are arranged at the front end of the first shaft.

2. The multi-state permanent magnet motor system according to claim 1, wherein electromagnetic forces of the first stator and the first permanent magnet cause the first shaft to output power, and/or wherein electromagnetic forces of the second stator and the second permanent magnet, the third stator and the third permanent magnet, the fourth stator and the fourth permanent magnet cause the second shaft to output power.

3. The multi-state permanent magnet motor system according to claim 1, wherein the first stator and the second stator form a first modulation unit, and the first permanent magnet, the first modulation unit and the second permanent magnet form a first magnetic gear, so that the first shaft and the second shaft output power.

4. The multi-state permanent magnet motor system according to claim 1, wherein the first stator and the second stator are axially arranged in parallel with each other to form a first modulation unit, and the first modulation unit and the second modulation unit form a second magnetic gear, and the second modulation unit outputs power through the first shaft and the second shaft.

5. The multi-state permanent magnet motor system according to claim 1, wherein the second permanent magnet and the third permanent magnet form a double permanent magnet, and electromagnetic force between at least one of the second stator and the third stator and the double permanent magnet causes the second shaft to output power.

6. The multi-state permanent magnet motor system of claim 1 wherein the magnetic disk is magnetically coupled to and decoupled from the magnetic sleeve, the fourth stator, and the fourth permanent magnet to couple and decouple power from the first and second outputs.

7. The multi-state permanent magnet motor system according to claim 1, wherein the first stator is composed of multi-layer single-double-layer mixed armature windings, and generates electromagnetic action with the first permanent magnet to enable the first shaft to output power, the third stator is composed of coils with different positions and numbers according to a three-phase armature winding phase uniform distribution principle to form a plurality of armature windings, and the plurality of electromagnetic acting forces are respectively generated with the third permanent magnet, the second permanent magnet and the third permanent magnet to enable the second shaft to output power.

8. A multi-state permanent magnet motor system according to claim 1, wherein a hybrid of multi-state electromagnetic forces outputs power to the first shaft and/or the second shaft.

9. The multi-state permanent magnet motor system according to claim 1, wherein the external force and/or electromagnetic power of the multi-state permanent magnet motor system drive the permanent magnet to rotate, and the permanent magnet and the corresponding stator generate electromagnetic induction and output electric power.

10. The multi-state permanent magnet electric machine system according to any one of claims 1-9, comprising an electric motor and an electric generator.