CN213151928U - Rare earth permanent magnetic suspension AC/DC hub motor - Google Patents
Rare earth permanent magnetic suspension AC/DC hub motor Download PDFInfo
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- CN213151928U CN213151928U CN201821395907.2U CN201821395907U CN213151928U CN 213151928 U CN213151928 U CN 213151928U CN 201821395907 U CN201821395907 U CN 201821395907U CN 213151928 U CN213151928 U CN 213151928U
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Abstract
The utility model discloses a rare earth permanent magnetic suspension AC/DC hub motor, wherein a rotor is positioned at the outer side of a stator outer ring; a plurality of rotor magnets are uniformly distributed on the inner side of the rotor, a plurality of stator magnets are uniformly distributed on the outer side of the stator outer ring, and a stator inner disc is fixed on the inner side of the stator outer ring; the adjacent magnetic poles of the rotor magnet and the stator magnet are the same; a stator core is arranged between every two adjacent stator magnets, and the axial direction of the stator core is along the diameter direction of the stator outer ring; an input direct-current three-phase winding is wound on the stator iron core, namely a first stator iron core is wound with a direct-current first phase U, a second stator iron core adjacent to the first stator iron core is wound with a direct-current second phase V, a third stator iron core adjacent to the third stator iron core is wound with a direct-current third phase W, the input end of U, V, W is set to be a homonymous end, and the heteronymous end of the first group of U, V, W windings is connected with the homonymous end of the second group of U, V, W windings and sequentially circulates; and a wheel hub steel ring and the like are arranged. The utility model discloses simple structure can obtain better space utilization.
Description
Technical Field
The utility model relates to the field of electric machines, specifically a tombarthite permanent magnetism suspension AC/DC in-wheel motor.
Background
The motor is an electromagnetic device which converts or transmits electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy. The electric motor converts electric energy into mechanical energy (commonly called as a motor), and the generator converts mechanical energy into electric energy. The motor is represented in the circuit by the letter "M". Its main function is to generate driving torque as power source of electric appliance or various machines.
The wheel hub motor is also called wheel built-in motor, and its most important feature is that the power, transmission and brake devices are all integrated into the wheel hub, so that the mechanical part of the electric vehicle is greatly simplified. The hub motor is not a new thing, and as early as 1900, an electric automobile with a front wheel provided with the hub motor is manufactured, and in the 70 th 20 th century, the technology is applied to the fields of mine transport vehicles and the like. For the hub motor used by passenger cars, the daily manufacturers develop the technology earlier and are in the leading position at present, and the international automobile huge heads including the universal and Toyota also contribute to the technology.
The hub motor driving system is mainly divided into two structural types according to the rotor type of the motor: an inner rotor type and an outer rotor type. Wherein, the outer rotor type adopts a low-speed outer rotor motor, the highest rotating speed of the motor is 1000-1500r/min, no speed reducer is arranged, and the rotating speed of the wheel is the same as that of the motor; the inner rotor type adopts a high-speed inner rotor motor, a speed reducer with a fixed transmission ratio is arranged, and the rotating speed of the motor can reach 10000r/min in order to obtain higher power density. With the advent of more compact planetary gear reducers, inner rotor type hub motors are more competitive with low speed outer rotors in terms of power density.
In recent years, the application of foreign in-wheel motor driving technology is mainly embodied in two aspects: the integrated electric system is developed by a research and development team represented by tire manufacturers or automobile part manufacturers; and secondly, the whole vehicle manufacturer and the hub motor driving system manufacturer jointly develop the electric vehicle. In China, the research on the hub motor is mostly concentrated in colleges and universities, the products are all electric vehicles, meanwhile, independent brand automobile manufacturers also launch own hub motor technology products, although the domestic automobile manufacturers can produce the electric vehicles, the research on the hub motor driving technology is not mature, and particularly in the aspect of high-torque hub motor development, the research and development investment on the hub motor technology is still in a certain gap with foreign advanced products, so that China still needs to strengthen the research and development investment on the hub motor technology, improve the core competitiveness, reduce the gap and strive to reach the world advanced level.
Clutches, transmissions, driveshafts, differentials, and even transfer cases are essential to conventional vehicles, and these components are not only light in weight, making the vehicle more complex in construction, but also have problems requiring regular maintenance and failure rates.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a rare earth permanent magnet magnetic suspension AC/DC hub motor, which adopts a rare earth permanent magnet magnetic suspension structure, so that the motor torque is increased, the efficiency is high, and the loss is small; the motor can also generate electricity to charge the vehicle-mounted battery when outputting power, the structure is simpler, the vehicle driven by the hub motor can obtain better space utilization rate, and meanwhile, the transmission efficiency is higher than a few.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor, a rotor magnet, a stator outer ring, a stator inner disc and a stator magnet; the rotor is positioned on the outer side of the outer ring of the stator; a plurality of rotor magnets are uniformly distributed on the inner side of the rotor, the N-pole magnetic poles are set in the direction of all the rotor magnets corresponding to the stator, S-pole magnetic poles which induce about 20% of the magnetic poles are arranged between adjacent rotor magnets, and the rotor magnets repel each other to form a single-pole rotor under the condition that the stator magnets are not affected at a certain distance; a plurality of stator magnets are uniformly distributed on the outer side of the stator outer ring, and all the stator magnets are set to be N-pole magnetic poles corresponding to the rotor direction, so that the stator magnets repel each other to form a single-pole stator, and the inner side of the stator outer ring is fixed on the stator inner disc; the adjacent magnetic poles of the rotor magnet and the stator magnet are the same, so that the stator rotor is in a suspension state, different magnetic poles are induced between the adjacent rotor magnets, the distance between the rotor magnet and the stator magnet is determined when the stator magnet is not influenced, and the maximum repulsive force between the rotor magnet and the stator magnet is kept; a stator core is arranged between every two adjacent stator magnets and fixed on the outer ring of the stator, the stator magnets and the rotor magnets repel each other in the rotation process of the rotor to enable the torque of the rotor to be increased, and the stator core axially follows the diameter direction of the outer ring of the stator; the stator core is wound with N poles and S poles which are alternately changed by an input direct current three-phase winding, the N poles and the S poles of the rotor magnet and the induced S poles attract and repel to form a rotating magnetic field to enable the rotor to rotate to do work, and the winding mode is as follows: a first stator core is wound with a direct-current first phase U, a second stator core adjacent to the first stator core is wound with a direct-current second phase V, a third stator core adjacent to the second stator core is wound with a direct-current third phase W, a fourth stator core adjacent to the third stator core is wound with a direct-current first phase U, a fifth stator core adjacent to the fourth stator core is wound with a direct-current second phase V, a sixth stator core adjacent to the fifth stator core is wound with a direct-current third phase W, the U, V, W input end is set to be a homonymy end, the synonymy end of the first group of U, V, W windings is connected with the homonymy end of the second group of U, V, W windings, and the operations are sequentially circulated, so that coils of the homophase windings are connected in series in a closed manner; and a hub steel ring is fixed on the outer ring of the rotor, and a rubber tire is fixed on the outer ring of the hub steel ring.
Furthermore, the stator outer ring is a magnetic steel ring or the stator outer ring and the stator core are both made of silicon steel to form a whole. Further, the stator core is a silicon steel core.
Further, the number of the stator magnets is 12 × N, wherein N represents a natural number.
Further, the motor stator further comprises an output alternating-current three-phase winding, wherein 4 adjacent stator cores are used as a group of virtual output cores, each group of virtual output cores is wound with an output closed coil, the A, B, C output end is set to be a homonymous end, the heteronymous end of the first group of A, B, C windings is connected with the homonymous end of the second group of A, B, C windings, and the operation is sequentially circulated, so that the output closed coils of the same output phase are connected in series.
Further, the rotor and the hub steel ring are fixed through rotor rivets.
Furthermore, a motor end cover is arranged on one side of the rare earth permanent magnetic suspension alternating current/direct current hub motor, and a power supply lead-out wire is arranged on the motor end cover.
Further, the stator outer ring is connected with the stator inner disc through a stator rivet.
Furthermore, a stator connecting shaft is fixed on one side of the stator inner disc.
Compared with the prior art, the beneficial effects of the utility model are that: the stator and the rotor of the hub motor adopt a rare earth permanent magnetic suspension structure, so that the torque of the motor is increased, the efficiency is high, and the loss is small; and the motor can also generate electricity to charge the vehicle-mounted battery while outputting power, the structure is simpler, the vehicle driven by the hub motor can obtain better space utilization rate, and meanwhile, the transmission efficiency is higher.
Drawings
Fig. 1 is the internal structure schematic diagram of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the utility model.
Fig. 2 is the structure diagram of the rare earth permanent magnet magnetic suspension ac/dc hub motor input dc three-phase winding of the utility model.
Fig. 3 is the development schematic diagram of the rare earth permanent magnet magnetic suspension ac/dc hub motor input dc three-phase winding of the utility model.
Fig. 4 is a schematic diagram of the dc U-phase winding of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the present invention.
Fig. 5 is a schematic diagram of the dc V-phase winding of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the present invention.
Fig. 6 is a schematic diagram of the dc W-phase winding of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the present invention.
Fig. 7 is a schematic diagram of the output ac three-phase winding of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the utility model.
Fig. 8 is an expanded view of the output ac three-phase winding of the rare earth permanent magnet magnetic suspension ac/dc hub motor of the present invention.
Fig. 9 is the whole appearance of the rare earth permanent magnet suspension ac/dc hub motor of the utility model.
In the figure: 1-a rubber tire; 2-wheel hub steel ring; 3-a rotor; 4-a rotor magnet; 5-a stator core; 6-stator magnets; 7-a stator outer ring; 8-stator inner disc; 9-rotor rivet; 10-stator rivets; 11-motor end cover; 12-a stator connection shaft; 13-power supply outlet; o represents a direct-current three-phase central point of the winding; u, V, W (meaning the same as numerals, but in different device positions for convenience of description) respectively represent the three phases of dc input to the dc windings; A. b, C (same meaning with numbers, only at different device locations, for convenience of description) respectively represent the ac three-phase four-wire of the output ac winding, where O represents the ac three-phase winding center point.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7 and a stator inner disc
8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2.
In the utility model, when the stator magnet 6 and the rotor magnet 4 are corresponding to each other and are repelled by N poles, the S poles are induced between the two rotor magnets 4, the N poles of the stator magnet 6 are not affected, the distance between the rotor magnet 4 and the stator magnet 6 is determined, and the maximum repulsion force is kept between the rotor magnet 4 and the stator magnet 6, the rotor magnet only has repulsion force and no attraction force aiming at the stator magnet, the rotor 3 is equivalent to a single-magnetic-pole rotor, and the stator magnet 6 and the rotor magnet 4 are repelled to make the rotor 3 in a suspension state; the stator core 5 and the N pole and the induced S pole of the rotor magnet 4 act to form a rotating magnetic field to rotate the rotor 3, and the stator magnet 6 and the rotor magnet 4 repel each other to increase the torque of the rotor 3 during the rotation of the rotor 3.
The direct current three-phase winding is developed, and in the figures 2 and 3, the direct current three-phase winding Y connection method is represented by U, V, W, and the direct current three-phase winding center point is represented by O; u phase (as shown in fig. 4): 1) a direct current signal is input from the U end to enable the U-phase winding iron core to be N-pole and the N-pole of the rotor magnet 4 to repel each other; 2) the W-phase winding iron core is in a suspension state, and 3) the direct current signal continuously passes through a central point O end of the direct current winding from a V phase to a V end to enable the V-phase winding iron core to be an S pole, so that an N pole of the rotor magnet 4 and the S pole of the V-phase winding iron core are attracted to each other and move towards the V-phase winding iron core; phase V (as shown in fig. 5): 1) a direct current signal is input from the V end to enable the N pole of the V-phase winding iron core to be repelled with the N pole of the rotor magnet 4; 2) the U-phase winding iron core is in a suspension state, and 3) the direct current signal continuously passes through a central point O end of the direct current winding from the W phase to the W end to enable the W-phase winding iron core to be an S pole, so that the N pole of the rotor magnet 4 and the S pole of the V-phase winding iron core are attracted to each other and move towards the V-phase winding iron core; w phase (as shown in fig. 6): 1) the direct current signal is input from the W end to enable the W-phase winding iron core to be N-pole and to be repelled with the N-pole of the rotor magnet 4; 2) the V-phase winding iron core is in a suspension state, and 3) the direct current signal continuously passes through a central point O end of the direct current winding from the U phase to the U end to enable the U-phase winding iron core to be an S pole, so that the N pole of a rotor magnet and the S pole of the U-phase winding iron core are attracted to move towards the U-phase winding iron core, and the rotation magnetic field is formed through sequential circulation to enable the rotor to rotate to do work.
As shown in FIG. 2, it is assumed that all the stator magnets 6 are N-polar in the direction corresponding to the rotor 3, all the rotor magnets 4 are N-polar in the direction corresponding to the stator, the magnetic saturation induced by the S-pole of different magnetic poles between adjacent magnets of the stator magnets 6 is about 30% of the N-pole of the magnets, and the S-pole has little effect on the rotor magnets 4, so that the stator is regarded as a single-pole stator, the magnetic saturation induced by the S-pole of different magnetic poles between adjacent magnets of the rotor magnets 4 is about 30% of the N-pole of the magnets, and the S-pole has little effect on the stator magnets 6, so that the rotor 3 is regarded as a single-pole rotor, the distance between the stator magnets 6 and the rotor magnets 4 depends on the mutual influence of the S-pole induced on the stator magnets 6 and the rotor magnets 4, and the maximum effect between the stator magnets 6 and the rotor As shown in fig. 1, the stator core 5 guides the stator induction magnetic pole S to the rotor magnet 4, and the stator core 5 is wound with a dc three-phase winding to generate N, S poles alternately changing, and forms a rotating magnetic field with the N pole and the induction S pole of the rotor magnet 4 to rotate the rotor 3.
Outputting three-phase four-wire alternating current with a Y connection method: in fig. 7 and 8, an ac three-phase winding is provided between the stator cores 5, and the stator ac winding cuts the magnetic lines of force during the rotation of the rotor 3, the ac three-phase winding is denoted by A, B, C, and the center of the three-phase winding is denoted by O. The utility model discloses in, subassembly such as stator, rotor 3 can the modularization.
Example 2
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7, a stator inner disc 8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2. The stator outer ring 7 is a magnetic steel ring. The stator core 5 is a silicon steel core.
Example 3
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7, a stator inner disc 8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2. The number of the stator magnets 6 is 12 × N, where N represents a natural number.
Example 4
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7 and a stator inner disc
8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2. The motor stator further comprises an output alternating current three-phase winding, wherein 4 adjacent stator cores 5 are used as a group of virtual output cores, each group of virtual output cores is wound with an output closed coil, and the output closed coils of the same output phase are connected in series.
Example 5
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7, a stator inner disc 8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2. The rotor 3 and the hub steel ring 2 are fixed through rotor rivets 9. The stator outer ring 7 and the stator inner disc 8 are connected by stator rivets 10.
Example 6
A rare earth permanent magnetic suspension AC/DC hub motor comprises a rotor 3, a rotor magnet 4, a stator outer ring 7, a stator inner disc 8 and a stator magnet 6; the rotor 3 is positioned outside the stator outer ring 7; a plurality of rotor magnets 4 are uniformly distributed on the inner side of the rotor 3, a plurality of stator magnets 6 are uniformly distributed on the outer side of the stator outer ring 7, and the inner side of the stator outer ring 7 is fixed on the stator inner disc 8; the adjacent magnetic poles of the rotor magnet 4 and the stator magnet 6 are the same; a stator core 5 is arranged between every two adjacent stator magnets 6, the stator core 5 is fixed on a stator outer ring 7, and the axial direction of the stator core 5 is along the diameter direction of the stator outer ring 7; an input direct current three-phase winding is wound around the stator core 5, and the winding mode is as follows: a first stator core 5 is wound with a direct current first phase U, a second stator core 5 adjacent to the first stator core 5 is wound with a direct current second phase V, a third stator core 5 adjacent to the second stator core 5 is wound with a direct current third phase W, a fourth stator core 5 adjacent to the third stator core 5 is wound with a direct current first phase U, a fifth stator core 5 adjacent to the fourth stator core 5 is wound with a direct current second phase V, and a sixth stator core 5 adjacent to the fifth stator core 5 is wound with a direct current third phase W, and the steps are sequentially repeated; and a hub steel ring 2 is fixed on the outer ring of the rotor 3, and a rubber tire 1 is fixed on the outer ring of the hub steel ring 2. A motor end cover 11 is arranged on one side of the rare earth permanent magnetic suspension alternating current and direct current hub motor, and a power supply outgoing line 13 is arranged on the motor end cover 11. And a stator connecting shaft 12 is fixed on one side of the stator inner disc 8.
Claims (8)
1. A rare earth permanent magnetic suspension AC/DC hub motor is characterized by comprising a rotor (3), a rotor magnet (4), a stator outer ring (7), a stator inner disc (8) and a stator magnet (6); the rotor (3) is positioned outside the stator outer ring (7); a plurality of rotor magnets (4) are uniformly distributed on the inner side of the rotor (3), a plurality of stator magnets (6) are uniformly distributed on the outer side of the stator outer ring (7), and the inner side of the stator outer ring (7) is fixed on the stator inner disc (8); the adjacent magnetic poles of the rotor magnet (4) and the stator magnet (6) are the same; a stator core (5) is arranged between every two adjacent stator magnets (6), the stator core (5) is fixed on the stator outer ring (7), and the axial direction of the stator core (5) is along the diameter direction of the stator outer ring (7);
an input direct current three-phase winding is wound on the stator core (5), and the winding mode is as follows: a first stator core (5) is wound with a direct-current first phase U, a second stator core (5) adjacent to the first stator core (5) is wound with a direct-current second phase V, a third stator core (5) adjacent to the second stator core (5) is wound with a direct-current third phase W, a fourth stator core (5) adjacent to the third stator core (5) is wound with a direct-current first phase U, a fifth stator core (5) adjacent to the fourth stator core (5) is wound with a direct-current second phase V, a sixth stator core (5) adjacent to the fifth stator core (5) is wound with a direct-current third phase W, the input end of U, V, W is set as the homonymous end, and the heteronymous end of a first group U, V, W winding is connected with the homonymous end of a second group U, V, W winding, and the processes are sequentially;
a wheel hub steel ring (2) is fixed on the outer ring of the rotor (3), and a rubber tire (1) is fixed on the outer ring of the wheel hub steel ring (2); the three-phase motor stator further comprises an output alternating-current three-phase winding, wherein 4 adjacent stator cores (5) are used as a group of virtual output cores, each group of virtual output cores is wound with an output closed coil, the A, B, C output end is set to be a homonymous end, the heteronymous end of the first group of A, B, C windings is connected with the homonymous end of the second group of A, B, C windings, and the three-phase motor stator winding sequentially circulates to enable the output closed coils of the same output phase to be connected in series.
2. The rare-earth permanent-magnet magnetic suspension AC/DC hub motor according to claim 1, wherein the stator outer ring (7) is a magnetic steel ring or is silicon steel with the stator core (5) and is formed as a whole.
3. The rare-earth permanent-magnet maglev ac/dc hub motor according to claim 1, wherein the stator core (5) is a silicon steel core or the stator outer ring (7) and the stator core (5) are formed as a whole by silicon steel.
4. The rare earth permanent magnet magnetic suspension AC/DC hub motor according to claim 1, wherein the number of the stator magnets is 12 x N, where N represents a natural number.
5. The rare earth permanent magnet magnetic suspension AC/DC hub motor according to claim 1, wherein the rotor (3) and the hub steel ring (2) are fixed by rotor rivets (9).
6. The rare earth permanent magnet suspension alternating current-direct current hub motor according to claim 1, wherein a motor end cover (11) is arranged on one side of the rare earth permanent magnet suspension alternating current-direct current hub motor, and a power supply lead-out wire (13) is arranged on the motor end cover (11).
7. The rare earth permanent magnet magnetic suspension AC/DC hub motor according to claim 1, wherein the stator outer ring (7) and the stator inner disc (8) are connected through stator rivets (10).
8. The rare earth permanent magnet magnetic suspension AC/DC hub motor according to claim 1, wherein a stator connecting shaft (12) is fixed on one side of the stator inner disk (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395907.2U CN213151928U (en) | 2018-08-28 | 2018-08-28 | Rare earth permanent magnetic suspension AC/DC hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821395907.2U CN213151928U (en) | 2018-08-28 | 2018-08-28 | Rare earth permanent magnetic suspension AC/DC hub motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151928U true CN213151928U (en) | 2021-05-07 |
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ID=75707566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821395907.2U Active CN213151928U (en) | 2018-08-28 | 2018-08-28 | Rare earth permanent magnetic suspension AC/DC hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213151928U (en) |
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2018
- 2018-08-28 CN CN201821395907.2U patent/CN213151928U/en active Active
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