CN210744983U - Disc type motor with multilayer composite three-dimensional magnetic pole array - Google Patents
Disc type motor with multilayer composite three-dimensional magnetic pole array Download PDFInfo
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- CN210744983U CN210744983U CN201922156603.1U CN201922156603U CN210744983U CN 210744983 U CN210744983 U CN 210744983U CN 201922156603 U CN201922156603 U CN 201922156603U CN 210744983 U CN210744983 U CN 210744983U
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Abstract
The utility model discloses a disc motor with compound three-dimensional magnetic pole array of multilayer, it includes the upper stator magnet dish, upper rotor coil, middle level stator magnet dish, lower floor's rotor coil, the lower floor's stator magnet dish of locating in motor housing and coaxial suit in proper order along the axial of motor shaft, the permanent magnet on the upper, lower floor's stator magnet dish is axial and tangential alternative arrangement's magnetic pole array, the permanent magnet on the middle level stator magnet dish is axial magnetic pole array, the axial permanent magnet of the three one-to-one and the direction of magnetizing is the same, the tangential permanent magnet on the upper, lower floor's stator magnet dish one-to-one and the direction of magnetizing is opposite; a plurality of winding units are uniformly distributed on the upper layer rotor coil and the lower layer rotor coil at intervals, and the electrifying directions of two adjacent winding units are opposite; the upper and lower layer winding units are opposite one to one and have the same electrifying direction. Adopt the utility model discloses, when can ensure that the air gap flux density in the motor is enough big, improve rotor motion redundancy, promote motor dynamic behavior.
Description
Technical Field
The utility model relates to a disk motor especially relates to a disk motor with compound three-dimensional magnetic pole array of multilayer.
Background
The disc type permanent magnet motor is also called an axial magnetic field motor, and has the advantages of short axial size, small volume, light weight and the like, so that the disc type permanent magnet motor becomes a hotspot in the field of motor research.
The application of the rare earth permanent magnet material improves the problems of low utilization rate and the like of the iron core of the traditional disc type motor, so that the disc type motor is further popularized. Meanwhile, in consideration of the contradiction that the storage amount of the rare earth permanent magnet material is small and the demand amount is large, the magnetism of the permanent magnet material needs to be fully utilized, and in the design process of the disc type permanent magnet motor, the use amount of the permanent magnet material is reduced as much as possible on the premise of ensuring the motor performance, so that the aim of saving the motor cost is fulfilled. That is, the air gap flux density is increased with a minimum of permanent magnet material to ensure that the air gap flux density in the machine is sufficiently large. The air gap flux density of the permanent magnet motor can be generally improved from two aspects, one is to select a permanent magnet material with better performance, while the high-performance permanent magnet material usually means higher price cost, which limits the selection of the permanent magnet material. And secondly, the arrangement structure of the permanent magnet magnetic pole array is changed, so that the air gap flux density is improved, which is an effective measure. Therefore the utility model provides a novel three-dimensional magnetic pole array's disk motor has promoted disk motor's performance from aspects such as self-shielding, reinforcing magnetic field and many active cell outputs.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a disk motor with compound three-dimensional magnetic pole array of multilayer, can ensure that the air gap flux density in the motor is big enough the time, improves rotor motion redundancy and independence to form from shielding, reduce the motor quality, reduce the motor and generate heat, promote motor dynamic behavior.
In order to solve the technical problem, the utility model provides a disc motor with compound three-dimensional magnetic pole array of multilayer, it includes motor housing, motor shaft and locates in the motor housing and along the axial of motor shaft coaxial suit's upper stator magnet dish, upper rotor coil, middle level stator magnet dish, lower floor's rotor coil, lower floor's stator magnet dish in proper order, upper stator magnet dish, middle level stator magnet dish and lower floor's stator magnet dish respectively with the motor housing is fixed continuous, upper rotor coil and lower floor's rotor coil respectively with the motor shaft is fixed continuous and can rotate relative each stator magnet dish;
the upper layer of stator magnet disc is uniformly distributed with a plurality of upper layer permanent magnets along the circumferential direction, the plurality of upper layer permanent magnets are magnetic pole arrays which are alternately arranged in the axial direction and the tangential direction, and the upper layer permanent magnets comprise upper layer axial permanent magnets and upper layer tangential permanent magnets; the middle-layer stator magnet disc is uniformly distributed with a plurality of middle-layer permanent magnets at intervals along the circumferential direction of the middle-layer stator magnet disc, the middle-layer permanent magnets are axial magnetic pole arrays, and the middle-layer permanent magnets comprise middle-layer axial permanent magnets; the lower stator magnet disc is uniformly distributed with a plurality of lower permanent magnets along the circumferential direction, the plurality of lower permanent magnets are magnetic pole arrays which are alternately arranged in the axial direction and the tangential direction, and the lower permanent magnets comprise lower axial permanent magnets and lower tangential permanent magnets; the upper layer axial permanent magnet, the middle layer axial permanent magnet and the lower layer axial permanent magnet are opposite one to one and have the same magnetizing direction; the upper tangential permanent magnets are opposite to the lower tangential permanent magnets one by one and the magnetizing directions are opposite;
a plurality of upper-layer winding units are uniformly distributed on the upper-layer rotor coil at intervals along the circumferential direction of the upper-layer rotor coil, and the electrifying directions of two adjacent upper-layer winding units are opposite; a plurality of lower-layer winding units are uniformly distributed on the lower-layer rotor coil at intervals along the circumferential direction of the lower-layer rotor coil, and the electrifying directions of two adjacent lower-layer winding units are opposite; the upper layer winding units and the lower layer winding units are opposite one to one and have the same electrifying direction.
As a preferred embodiment of the present invention, the energization modes of the upper rotor coil and the lower rotor coil are independent of each other.
As the utility model discloses preferred scheme, upper stator magnet dish, middle level stator magnet dish and lower floor's stator magnet dish are the disc type structure.
As the preferred scheme of the utility model, upper rotor coil and lower floor's rotor coil are fan blade formula structure.
As the utility model discloses preferred scheme, the shape of upper permanent magnet, middle level permanent magnet and lower floor's permanent magnet is fan-shaped, the shape of upper winding unit and lower floor's winding unit is fan-shaped.
As the preferred scheme of the utility model, be connected with the spacer ring of non-magnetic conduction between the adjacent middle level permanent magnet in the middle level stator magnet dish.
As the utility model discloses preferred scheme, the material of upper permanent magnet, middle level permanent magnet and lower floor's permanent magnet is neodymium iron boron permanent magnet material.
As the utility model discloses preferred scheme, upper rotor coil and lower floor's rotor coil all are equipped with the coil bracket.
As a preferred embodiment of the present invention, the coil support is a yoke.
Implement the utility model provides a pair of disc motor with compound three-dimensional magnetic pole array of multilayer, compare with prior art, its beneficial effect lies in:
(1) through the design of upper stator magnet dish, middle level stator magnet dish and lower floor's stator magnet dish, optimized the axial magnetic circuit of motor, promoted the inside axial magnetic field component of motor to greatly increase output torque.
(2) The upper stator magnet disc and the lower stator magnet disc all adopt axial and tangential alternate arrangement's magnetic pole array, can form from shielding effect in motor inboard and each interlamellar, reduce the magnetic leakage, help reducing the back iron, reduce the total weight of motor, reduce the motor and generate heat, can obviously promote motor response characteristic.
(3) The upper rotor coil and the lower rotor coil are connected into a whole through a motor rotating shaft, so that the total output force of the rotor can be effectively enhanced; because the energization modes of the upper rotor coil and the lower rotor coil are mutually independent, the upper rotor coil and the lower rotor coil can obtain different output forces by respectively controlling the current input of the two rotor coils, and the two rotors are mutually backed up, so that the motion redundancy characteristic of the motor rotor is improved, and the loading reliability of the motor is further improved; for other applications, the dual-rotor coaxial output also improves the motor motion flexibility and the integration level.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a disc motor having a multilayer composite three-dimensional magnetic pole array according to the present invention;
fig. 2 is a magnetic circuit configuration view of the upper stator magnet disk;
FIG. 3 is a schematic diagram of the energization of the upper layer rotor coil;
FIG. 4 is a magnetic circuit configuration view of the middle stator magnet disk;
FIG. 5 is a schematic view of the energization of the lower layer rotor coil;
FIG. 6 is a magnetic circuit configuration view of the lower stator magnet disk;
fig. 7 is a distribution trend diagram of magnetic induction lines of a disc motor with a multi-layer composite three-dimensional magnetic pole array provided by the present invention;
fig. 8 is a schematic diagram of the rotor output force of a disc motor with a multi-layer composite three-dimensional magnetic pole array provided by the present invention;
in the figure, 1, a motor shell, 2, a motor rotating shaft, 3, an upper layer stator magnet disc, 31, an upper layer axial permanent magnet, 32, an upper layer tangential permanent magnet, 4, an upper layer rotor coil, 41, an upper layer winding unit, 5, a middle layer stator magnet disc, 51, a middle layer axial permanent magnet, 52, a spacing ring, 6, a lower layer rotor coil, 61, a lower layer winding unit, 7, a lower layer stator magnet disc, 71, a lower layer axial permanent magnet, 72 and a lower layer tangential permanent magnet.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate the orientation or positional relationship, are used in the present invention as being based on the orientation or positional relationship shown in the drawings, and are used only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "upper", "middle", "lower" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1, the embodiment of the utility model provides a pair of disk motor with compound three-dimensional magnetic pole array of multilayer, it includes motor housing 1, motor shaft 2 and locates in the motor housing 1 and follow motor shaft 2's axial is upper stator magnet dish 3, upper rotor coil 4, middle level stator magnet dish 5, lower floor's rotor coil 6, lower floor's stator magnet dish 7 of coaxial suit in proper order, upper stator magnet dish 3, middle level stator magnet dish 5 and lower floor's stator magnet dish 7 respectively with motor housing 1 is fixed continuous, upper rotor coil 4 and lower floor's rotor coil 6 respectively with motor shaft 2 is fixed continuous and each stator magnet dish relatively rotates.
As shown in fig. 2, the upper layer stator magnet disc 3 is uniformly distributed with a plurality of upper layer permanent magnets along the circumferential direction, the plurality of upper layer permanent magnets are magnetic pole arrays alternately arranged in the axial direction and the tangential direction, and the upper layer permanent magnets include upper layer axial permanent magnets 31 and upper layer tangential permanent magnets 32. Specifically, the upper stator magnet disc 3 is of a disc type structure, the upper permanent magnet is fan-shaped, and the upper permanent magnet is made of a neodymium iron boron permanent magnet material with high remanence density and high coercivity.
As shown in fig. 3, the middle-layer stator magnet disc 5 is uniformly distributed with a plurality of middle-layer permanent magnets at intervals along the circumferential direction thereof, the plurality of middle-layer permanent magnets are axial magnetic pole arrays, and the middle-layer permanent magnets include middle-layer axial permanent magnets 51. Specifically, the middle-layer stator magnet disc 5 is of a disc type structure, the middle-layer permanent magnet is in a fan shape, and the middle-layer permanent magnet is made of a neodymium iron boron permanent magnet material with high remanence density and high coercivity; a non-magnetic spacer ring 52 is connected between adjacent middle-layer permanent magnets in the middle-layer stator magnet disc 5, and the spacer ring 52 is fixed with the middle-layer permanent magnets on two sides in a bonding mode, so that the middle-layer permanent magnets can be conveniently installed and fixed.
As shown in fig. 4, the lower stator magnet disk 7 is uniformly distributed with a plurality of lower permanent magnets along the circumferential direction, the plurality of lower permanent magnets are magnetic pole arrays alternately arranged in the axial direction and the tangential direction, and the lower permanent magnets include a lower axial permanent magnet 71 and a lower tangential permanent magnet 72. Specifically, the lower stator magnet disc 7 is of a disc type structure, the lower permanent magnet is fan-shaped, and the lower permanent magnet is made of a neodymium iron boron permanent magnet material with high remanence density and high coercivity.
As shown in fig. 5, a plurality of upper layer winding units 41 are uniformly distributed on the upper layer rotor coil 4 at intervals along the circumferential direction thereof, and the energization directions of two adjacent upper layer winding units 41 are opposite. Specifically, the upper layer rotor coil 4 is provided with a coil support, which is preferably a yoke; the upper layer rotor coil 4 is of a fan-blade structure, and the upper layer winding unit 41 is of a fan shape.
As shown in fig. 6, a plurality of lower layer winding units 61 are uniformly distributed in the lower layer rotor coil 6 at intervals along the circumferential direction, and the energization directions of two adjacent lower layer winding units 61 are opposite. Specifically, the upper rotor coil 4 is provided with a coil support, which is preferably a yoke; the lower layer rotor coil 6 is of a fan-blade structure, and the lower layer winding unit 61 is fan-shaped.
As shown in fig. 7, the upper layer axial permanent magnet 31, the middle layer axial permanent magnet 51 and the lower layer axial permanent magnet 71 are opposite one to another and have the same magnetizing direction; the upper tangential permanent magnets 32 are opposite to the lower tangential permanent magnets 72 one by one, and the magnetizing directions are opposite; the upper-layer winding units 41 and the lower-layer winding units 61 are opposite to each other one by one and have the same electrifying direction.
It should be noted that the energization modes of the upper rotor coil 4 and the lower rotor coil 6 are independent from each other, that is, the input currents of the upper rotor coil 4 and the lower rotor coil 6 can be controlled separately, so that the upper rotor coil 4 and the lower rotor coil 6 can obtain the same or different output forces (output torques).
Suppose that the magnetic induction line B starts from the upper stator magnet disc 3, passes through the upper rotor coil 4, the middle stator magnet disc 5, the lower rotor coil 6 and the lower stator magnet disc 7, and finally returns to the upper stator magnet disc 3 through the motor housing 1 (back iron) to form a complete loop. The three layers of stator magnet discs are arranged between the upper layer of rotor coil 6 and the lower layer of rotor coil 6 in an inserting mode to form an axial magnetic field with the uniform direction, so that tangential output force F is generated, and the rotation of the rotor is guaranteed, as shown in figure 8. In fig. 8, "dots" represent the coil cross-section with the current direction going out of the paper, and "x" represents the current direction going in of the paper. If the current direction is opposite, the motor rotor can generate an output force in the opposite direction to rotate in the opposite direction. The rotor can rotate by continuously adjusting the electrifying direction. In the actual loading process, the frequency and the amplitude of the electrified current are changed, so that the direction change frequency and the amplitude of the output force can be correspondingly changed, and a constant rotary motion or two independent rotary motions are generated on the loaded component.
To sum up, implement the utility model provides a pair of disk motor with compound three-dimensional magnetic pole array of multilayer, its first key lies in: through the design of upper stator magnet disc 3, middle level stator magnet disc 5 and lower floor's stator magnet disc 7, optimized the axial magnetic circuit of motor, promoted the inside axial magnetic field component of motor to greatly increase output torque. The second key is that: upper stator magnet dish 3 and lower floor's stator magnet dish 7 all adopt axial and tangential alternate arrangement's magnetic pole array, can form the self-shielding effect in motor inboard and each interlamellar, reduce the magnetic leakage, help reducing the back iron, reduce the total weight of motor, reduce the motor and generate heat, can obviously promote motor response characteristic. The third key is that: the upper rotor coil 4 and the lower rotor coil 6 are connected into a whole through the motor rotating shaft 2, so that the total output force of the rotor can be effectively enhanced; because the energization modes of the upper rotor coil 4 and the lower rotor coil 6 are mutually independent, the upper rotor coil 4 and the lower rotor coil 6 can obtain different output forces by respectively controlling the current input of the two rotor coils, the two rotors are mutually backed up, the motion redundancy characteristic of the motor rotor is improved, and the loading reliability of the motor is further improved; for other applications, the dual-rotor coaxial output also improves the motor motion flexibility and the integration level.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (9)
1. A disc type motor with a multilayer composite three-dimensional magnetic pole array is characterized by comprising a motor shell, a motor rotating shaft and an upper stator magnet disc, an upper rotor coil, a middle stator magnet disc, a lower rotor coil and a lower stator magnet disc which are arranged in the motor shell and coaxially sleeved in sequence along the axial direction of the motor rotating shaft, wherein the upper stator magnet disc, the middle stator magnet disc and the lower stator magnet disc are fixedly connected with the motor shell respectively, and the upper rotor coil and the lower rotor coil are fixedly connected with the motor rotating shaft respectively and can rotate relative to the stator magnet discs;
the upper layer of stator magnet disc is uniformly distributed with a plurality of upper layer permanent magnets along the circumferential direction, the plurality of upper layer permanent magnets are magnetic pole arrays which are alternately arranged in the axial direction and the tangential direction, and the upper layer permanent magnets comprise upper layer axial permanent magnets and upper layer tangential permanent magnets; the middle-layer stator magnet disc is uniformly distributed with a plurality of middle-layer permanent magnets at intervals along the circumferential direction of the middle-layer stator magnet disc, the middle-layer permanent magnets are axial magnetic pole arrays, and the middle-layer permanent magnets comprise middle-layer axial permanent magnets; the lower stator magnet disc is uniformly distributed with a plurality of lower permanent magnets along the circumferential direction, the plurality of lower permanent magnets are magnetic pole arrays which are alternately arranged in the axial direction and the tangential direction, and the lower permanent magnets comprise lower axial permanent magnets and lower tangential permanent magnets; the upper layer axial permanent magnet, the middle layer axial permanent magnet and the lower layer axial permanent magnet are opposite one to one and have the same magnetizing direction; the upper tangential permanent magnets are opposite to the lower tangential permanent magnets one by one and the magnetizing directions are opposite;
a plurality of upper-layer winding units are uniformly distributed on the upper-layer rotor coil at intervals along the circumferential direction of the upper-layer rotor coil, and the electrifying directions of two adjacent upper-layer winding units are opposite; a plurality of lower-layer winding units are uniformly distributed on the lower-layer rotor coil at intervals along the circumferential direction of the lower-layer rotor coil, and the electrifying directions of two adjacent lower-layer winding units are opposite; the upper layer winding units and the lower layer winding units are opposite one to one and have the same electrifying direction.
2. A disc motor having a multi-layered composite three-dimensional magnetic pole array according to claim 1, wherein the upper and lower rotor coils are energized independently of each other.
3. A disc motor having a multi-layer composite three-dimensional pole array according to claim 1, wherein said upper, middle and lower stator magnet discs are each of disc type construction.
4. A disc motor having a multi-layer composite three-dimensional magnetic pole array according to claim 1, wherein the upper and lower rotor coils are each of a fan-blade configuration.
5. The disc motor with the multi-layer composite three-dimensional magnetic pole array according to claim 1, wherein the upper layer permanent magnet, the middle layer permanent magnet and the lower layer permanent magnet are all fan-shaped, and the upper layer winding unit and the lower layer winding unit are all fan-shaped.
6. A disc motor having a multi-layered composite three-dimensional pole array according to claim 1, wherein a non-magnetically conductive spacer ring is attached between adjacent middle permanent magnets in the middle stator magnet disc.
7. The disc motor with the multi-layer composite three-dimensional magnetic pole array according to claim 1, wherein the upper layer permanent magnet, the middle layer permanent magnet and the lower layer permanent magnet are all made of neodymium-iron-boron permanent magnet materials.
8. A disc motor having a multi-layered composite three-dimensional magnetic pole array according to claim 1, wherein the upper and lower rotor coils are each provided with a coil support.
9. A disc motor having a multi-layer composite three-dimensional magnetic pole array according to claim 8, wherein said coil support is a yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156603.1U CN210744983U (en) | 2019-12-04 | 2019-12-04 | Disc type motor with multilayer composite three-dimensional magnetic pole array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922156603.1U CN210744983U (en) | 2019-12-04 | 2019-12-04 | Disc type motor with multilayer composite three-dimensional magnetic pole array |
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| CN210744983U true CN210744983U (en) | 2020-06-12 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829765A (en) * | 2019-12-04 | 2020-02-21 | 广东沃顿科技有限公司 | Disc type motor with multilayer composite three-dimensional magnetic pole array |
| CN111740523A (en) * | 2020-07-03 | 2020-10-02 | 烟台伺维特智能科技有限公司 | Layered dislocation type three-phase disc type motor coil packaging structure |
| TWI803773B (en) * | 2020-09-08 | 2023-06-01 | 克米龍有限公司 | Disc motor module |
-
2019
- 2019-12-04 CN CN201922156603.1U patent/CN210744983U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829765A (en) * | 2019-12-04 | 2020-02-21 | 广东沃顿科技有限公司 | Disc type motor with multilayer composite three-dimensional magnetic pole array |
| CN110829765B (en) * | 2019-12-04 | 2024-04-30 | 广东沃顿科技有限公司 | Disk motor with multilayer composite three-dimensional magnetic pole array |
| CN111740523A (en) * | 2020-07-03 | 2020-10-02 | 烟台伺维特智能科技有限公司 | Layered dislocation type three-phase disc type motor coil packaging structure |
| TWI803773B (en) * | 2020-09-08 | 2023-06-01 | 克米龍有限公司 | Disc motor module |
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