CN210093089U - Permanent magnet joint direct drive motor with Hall plate assembly - Google Patents
Permanent magnet joint direct drive motor with Hall plate assembly Download PDFInfo
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- CN210093089U CN210093089U CN201920828145.9U CN201920828145U CN210093089U CN 210093089 U CN210093089 U CN 210093089U CN 201920828145 U CN201920828145 U CN 201920828145U CN 210093089 U CN210093089 U CN 210093089U
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Abstract
The utility model discloses a permanent magnet joint direct drive motor with a Hall plate component, which comprises a stator, a rotor and a Hall plate component; the stator comprises a stator core and a stator winding, the stator core is connected with the stator winding, the rotor comprises a rotor core and magnetic steel, and the rotor core is connected with the magnetic steel; the Hall plate assembly comprises a Hall PCB, a Hall and a Hall positioning ring; the Hall positioning rings are uniformly distributed on the inner side of the circular surface of the Hall PCB; the rotor is arranged on the inner side of the stator and does circumferential rotation motion relative to the inner side of the stator. By optimizing the tooth space matching and the magnetic path waveform of the stator and the rotor, the problems of serious back electromotive force distortion, large harmonic content, large torque pulsation, unstable motor control precision, unstable operation and the like in the prior direct-drive motor technology are solved, the rotating speed range is improved through reasonable structural design, and the output of the rated power of the direct-drive motor is improved.
Description
Technical Field
The utility model relates to a motor field, concretely relates to permanent magnet joint directly drives motor with hall board subassembly.
Background
At present, the power supply of the robot is mainly a universal servo motor, and the application of the robot is gradually expanded, so that the robot is suitable for occasions of small, light, flexible and intelligent robots, such as cooperative robots, medical instrument robots and the like. The cooperative and miniaturized robot mainly requires miniaturization, high power density, high efficiency, high positioning precision, small torque fluctuation, stable operation, high response speed, low vibration, low noise, long service life, convenient maintenance and other excellent motor characteristic universal servo motors for driving motors, and can not meet the power requirements of the joints of the existing robot. The current power drive and motion control of the robot mainly adopts an integrated joint module (RGM), and the robot joint module mainly requires direct drive, miniaturization, and stable motion and control on a motor.
The robot joint direct drive motor DDR is a motor which is directly connected to a load under the control of a driving system to directly drive the load. The motor has the advantages of large torque, high positioning precision, stable motion, high response speed, low vibration, low noise, energy conservation, long service life, convenient maintenance and the like. At present, a joint direct-drive motor is designed by adopting a traditional motor technical scheme and is characterized in that the number of distributed windings and stator slots is far larger than that of magnetic poles, the angle of magnetic pole arcs and the harmonic content of an air gap magnetic field are large. The space air gap harmonic magnetic field can cause counter electromotive force harmonic waves and torque pulsation, the stable control and operation of the joint direct drive motor are greatly influenced, and the control performance of the low-speed section of the joint direct drive motor is particularly reflected. In addition, harmonic excitation force can be generated by the motor air gap magnetic field harmonic, so that the motor is low in efficiency, large in vibration and large in electromagnetic noise.
In addition, the rotor of the traditional high-inertia high-speed joint direct-drive motor generally adopts a non-magnetic steel sleeve or a high-strength fiber wire, the surface-mounted magnetic steel is fixed to prevent the rotor from falling off centrifugally at a high speed, the structure is either complex in manufacturing process or limited by the strength of the non-magnetic steel sleeve, the thickness of the steel sleeve is generally more than 0.5mm, so that an air gap of the permanent magnet motor reaches more than 1.5mm, the thickness of the permanent magnet must be thickened while the demagnetization capacity and the air gap magnetic field density of the motor are kept, the utilization rate of the permanent magnet is low, the air gap magnetic field distortion cannot reach an effective sinusoidal magnetic field easily, and.
At present, technical schemes of rotor magnetic pole arc cutting, rotor slant pole, winding layout improvement and the like are generally adopted for improving air gap magnetic field harmonic waves, although better air gap magnetic field waveforms and motor back electromotive force waveforms can be obtained to a certain extent, the technical improvement schemes are difficult to achieve for a high-precision, high-efficiency and high-torque-density joint direct-drive motor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art not enough, provide a permanent magnet joint with hall plate subassembly and directly drive motor, through optimizing tooth's socket cooperation and stator rotor magnetic path wave form to overcome and to directly drive among the motor technology now that the counter potential distortion is serious, harmonic content is big, torque ripple is big, motor control precision and the not steady scheduling problem of operation, and improve the rotational speed scope through reasonable structural design, improve and directly drive motor rated power's output.
In order to solve the technical problems, the following technical scheme is adopted:
a permanent magnet joint direct drive motor with a Hall plate assembly comprises a stator (01), a rotor (02) and the Hall plate assembly 03; the method is characterized in that: the stator (01) comprises a stator core (101) and a stator winding (102), the stator core (101) is connected with the stator winding (102), the rotor (02) comprises a rotor core (201) and magnetic steel (202), and the rotor core (201) is connected with the magnetic steel (202); the Hall plate assembly (03) comprises a Hall PCB (301), a Hall (302) and a Hall positioning ring (303); the Hall PCB (301) is arranged between the top of the stator (01) and the top of the rotor (02) in a fitting mode, Hall (302) and Hall positioning rings (303) are arranged on the Hall PCB (301), the Hall (302) is uniformly distributed on the inner side of the surface of a circular ring of the Hall PCB (301), and the Hall positioning rings (303) are uniformly distributed on the inner side of the surface of the circular ring of the Hall PCB (301); the rotor is arranged on the inner side of the stator and performs circumferential rotation motion relative to the inner side of the stator; 1/2, the absolute difference between the stator inner diameter Di and the rotor outer diameter do is the rotating air gap g of the motor, namely g | -Di-do |/2, and the air gap g is 0.3-1.5 mm; the stator core is provided with M wire embedding grooves, M is 10-14, the rotor core is provided with N magnetic steel grooves, N is 10-14, the number of rotor magnetic steel sheets is p, wherein p is N, and the magnetic steel poles are arranged at intervals along the circumference to form a corresponding pole number p.
Further, the outer diameter Do of the stator core is 80-90mm, the inner diameter Di is 50-65mm, the tooth width bt is 5-7.5mm, the slot opening width bs0 is 0.5-3.5mm, the slot shoulder width 1bs1 is 5-8mm, the slot shoulder width 2bs2 is 8-12mm, the slot bottom width bs2 is 10-15mm, the slot opening height hs0 is 0.5-1.2mm, the slot shoulder height 1hs1 is 0.5-1.5mm, the slot shoulder height 2hs2 is 0.5-1.5mm, the slot bottom height hs3 is 4-8mm, and the thinnest part K is 2-6 mm.
Further, the bottom of the groove is formed by a straight line segment with an included angle α formed by two straight lines, wherein α is 120-180 degrees, a round angle of r0 is inverted at the joint of the line segments, and r0 is 2-15mm, or the bottom of the groove is formed by a circular arc line which is concentric with the inner circle and the outer circle of the stator.
Furthermore, the stator core is formed by laminating and combining a plurality of stacked stator punching sheets.
Further, the winding mode of the stator winding is centralized and distributed.
Further, the outer diameter do of the rotor is 48-63mm, the inner diameter di of the rotor is 10-35mm, the inner diameter di1 of the rotor core is 35-50mm, dovetail grooves (211) are formed between adjacent rotor teeth (212) of the rotor core, an included angle β between the dovetail grooves (211) is 5-25 degrees, the width br0 of the groove bottom is 8-15mm, the height br1 of the groove top is 11.5-15mm, the width B of the magnetic steel is 8-15mm, the arc cutting R is 3-20mm, the thickness t of the magnetic steel is 2-5mm, and the rear t1 of the thin edge is 0.8-3.5 mm.
Furthermore, the magnetic steels (202) are uniformly inserted into dovetail grooves (211) of the rotor core (201) at intervals.
Furthermore, the Hall PCB (301) is provided with 3 Hall (302) and distributed according to mechanical included angle theta between the Hall, the Hall initial positioning position is arranged at the center of a tooth or a groove, the Hall induction is tangent with the center circle of the circle Di-Di +1 in the stator, the Hall PCB (301) and the Hall positioning ring (303) are provided with a Hall welding angle and a Hall mounting groove according to the circumferential distribution position determined by the Hall, and the bottom of the Hall positioning ring is tightly attached to the surface of a stator core.
Further, the mechanical included angle θ between the hall is 120 ° Q/P, where Q is a positive integer, P is a pole pair number, and P is 2P, and the hall initial positioning position should be at the center of the tooth or the slot.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the utility model relates to a permanent magnet joint directly drives motor with hall board subassembly, this motor simple structure, scientific facility, with strong points, convenient to use, low cost, easy operation easily promotes.
The utility model provides a decide, rotor punching and iron core, through reasonable stator tooth (groove) M, M is 12 and rotor magnetic steel groove N, and N is 10 or 14 cooperations, the arc optimization of cutting of rotor magnetic pole, the magnetic circuit structure optimization integrated design of stator and rotor, obtains good magnetic field route, and then obtains comparatively ideal air gap magnetic field waveform and back emf sine waveform. Therefore, the harmonic excitation force of the motor is reduced, the vibration noise of the motor is reduced, and the torque pulsation is reduced to obtain good control and motion stability. In addition, by optimizing the magnetic circuits of the stator and the rotor, the groove area as large as possible is obtained under the conditions of reasonable magnetic circuit structure and air gap magnetic field, and under the condition of the same groove utilization ratio St, large-sized copper wires can be used for winding, so that the resistance of the motor is reduced, the copper loss and the iron loss of the motor are reduced, the efficiency of the motor and the output of unit volume power density and torque density are improved, and the performance of a joint direct drive motor (DDR) is improved.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
fig. 1 is a schematic perspective view of a permanent magnet joint direct drive motor with a hall plate assembly according to the present invention;
fig. 2 is a schematic view of a permanent magnet joint direct drive motor with a hall plate assembly in the present invention;
fig. 3 is a schematic side view of a permanent magnet joint direct drive motor with a hall plate assembly according to the present invention;
fig. 4 is a schematic structural diagram of a stator punching sheet in the present invention;
fig. 5 is an enlarged schematic structural view of a portion a in fig. 4 according to the present invention;
fig. 6 is a schematic structural view of a rotor core in the present invention;
fig. 7 is an enlarged schematic structural diagram of the present invention at B in fig. 6.
In the figure: 01-stator, 02-rotor, 03-Hall plate assembly, 101-stator iron core, 102-stator winding,
201-rotor iron core, 202-magnetic steel, 203-rotor shaft sleeve, 211-rotor iron core dovetail groove, 212-rotor iron core tooth,
301-Hall PCB board, 302-Hall, 303-Hall positioning ring;
m-stator tooth groove number, N-rotor tooth groove number, g-motor stator and rotor air gap, theta-Hall mechanical included angle, Do-stator outer diameter, Di-stator inner diameter, d 0-rotor outer diameter, Di-rotor inner diameter, L-motor iron core thickness, P-magnetic pole number, P-magnetic pole pair number, bs 0-slot opening width, bs 1-slot shoulder width 1, bs 2-slot shoulder width 2, bs 3-slot bottom width, hs 0-slot opening height, hs 1-slot shoulder height 1, hs 2-slot shoulder height 2, hs 3-slot bottom height, α -slot bottom included angle, r 0-slot bottom fillet, K-stator magnet yoke thinnest thickness, B-magnetic steel width, t-magnetic steel thickness, t 1-magnetic steel thin edge thickness, br 0-rotor slot bottom width, br 1-rotor slot top width, β -rotor tooth included angle.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1 to 7, a permanent magnet joint direct drive motor with a hall plate assembly comprises a stator (01), a rotor (02) and a hall plate assembly 03; the method is characterized in that: the stator (01) comprises a stator core (101) and a stator winding (102), the stator core (101) is connected with the stator winding (102), the rotor (02) comprises a rotor core (201) and magnetic steel (202), and the rotor core (201) is connected with the magnetic steel (202); the Hall plate assembly (03) comprises a Hall PCB (301), a Hall (302) and a Hall positioning ring (303); the Hall PCB (301) is arranged between the top of the stator (01) and the top of the rotor (02) in a fitting mode, Hall (302) and Hall positioning rings (303) are arranged on the Hall PCB (301), the Hall (302) is uniformly distributed on the inner side of the surface of a circular ring of the Hall PCB (301), and the Hall positioning rings (303) are uniformly distributed on the inner side of the surface of the circular ring of the Hall PCB (301); the rotor is arranged on the inner side of the stator and does circumferential rotation motion relative to the inner side of the stator.
As shown in fig. 2-3, 1/2, which is the absolute difference between the stator inner diameter Di and the rotor outer diameter do, is the rotating air gap g of the motor, i.e., g |, Di-do |/2, and the air gap g is between 0.3 and 1.5 mm; the stator core is provided with M wire embedding grooves, M is 10-14, the rotor core is provided with N magnetic steel grooves, N is 10-14, the number of rotor magnetic steel sheets is p, wherein p is N, and the magnetic steel poles are arranged at intervals along the circumference to form a corresponding pole number p.
Preferably, the stator core (101) is provided with 12 coil inserting grooves, the rotor core (201) is provided with 10 or 14 magnetic steel grooves, the number of the rotor magnetic steels (202) is 10 or 14, and the magnetic steel poles are arranged at intervals along the circumference to form corresponding pole numbers of 16 or 20.
In the embodiment, preferably, the outer diameter Do of the stator core is 80-90mm, the inner diameter Di is 50-65mm, the tooth width bt is 5-7.5mm, the slot opening width bs0 is 0.5-3.5mm, the slot shoulder width 1bs1 is 5-8mm, the slot shoulder width 2bs2 is 8-12mm, the slot bottom width bs2 is 10-15mm, the slot opening height hs0 is 0.5-1.2mm, the slot shoulder height 1hs1 is 0.5-1.5mm, the slot shoulder height 2hs2 is 0.5-1.5mm, the slot bottom height hs3 is 4-8mm, and the thinnest part K of the yoke part is 2-6 mm.
In the embodiment, preferably, the bottom part of the groove is formed by two straight line segments forming an included angle α, α is 120-180 degrees, the connection part of the line segments is inverted into a round angle of r0, and r0 is 2-15 mm;
further stator punching sheet tank bottom comprises one section arc line in this embodiment, and the arc line is concentric with the stator inner and outer circle, and the stator yoke comprises the ring section of wall thickness such as a section, and another kind of tank bottom that comprises whole section curve or straight line belongs to the utility model relates to a variant form, the effect is equivalent with above, no longer gives unnecessary details one by one here.
In this embodiment, preferably, the stator core includes a plurality of stacked stator laminations, which are stacked and combined.
In this embodiment, preferably, the winding manner of the stator winding is centralized or distributed.
Through the aforesaid setting, produce the utility model discloses the iron core that needs then according to specific insulation, wire winding and line fall, the wiring plastic forms with the dip coating, accomplishes stator (01) preparation of motor.
Preferably, the stator is integrally cured by epoxy resin after being assembled and shaped.
In this embodiment, preferably, the outer diameter do of the rotor is 48 to 63mm, the inner diameter di of the rotor is 10 to 35mm, the inner diameter di1 of the rotor core is 35 to 50mm, dovetail grooves (211) are formed between adjacent rotor teeth (212) of the rotor core, an included angle β between the dovetail grooves (211) is 5 to 25 degrees, the groove bottom width br0 is 8 to 15mm, the groove top height br1 is 11.5 to 15mm, the magnetic steel width B is 8 to 15mm, the arc cutting R is 3 to 20mm, the magnetic steel thickness t is 2 to 5mm, and the t1 after the thin edge is 0.8 to 3.5 mm.
Preferably, the rotor core (201) and the rotor shaft sleeve (203) are connected in an interference mode, the interference magnitude is 0.01-0.1 mm, the form of the rotor shaft sleeve can be a circular cylindrical shape, or the rotor shaft sleeve is designed according to customer requirements, and no provision is made here.
Preferably, the magnetic steels (202) are uniformly inserted into dovetail grooves (211) of the rotor core (201) at intervals.
Specifically, the shaped magnetic steel (202) is inserted into the rotor core (201) at intervals in polarity, the rotor core (201) and the magnetic steel (202) are bonded by glue or equivalent bonding agent, and the magnetic steel (202) can preliminarily meet the application requirement of a medium-high rotating speed motor through a dovetail groove preset by a rotor and the glue.
Further will be through the peripheral carbon fiber or the whole plastics solidification of steel aluminium lag mode and rotor of using of above-mentioned good rotor of shaping, the effect is equal to the utility model discloses a dovetail form also belongs to the utility model discloses a protection category, preparation and implementation mode no longer give unnecessary details one by one here.
Through the arrangement, the rotor iron core (201) and the magnetic steel (202) are assembled to complete the manufacture of the rotor (01) of the motor.
In this embodiment, preferably, referring to fig. 1, 2 and 3, the hall PCB (301) is provided with 3 hall elements (302) and distributed according to a mechanical angle θ between the hall elements (302), where θ is 120 ° Q/P, where Q is a positive integer, P is a pole pair number, P is 2P, and the hall initial positioning position with the mechanical angle θ of 24 °, 48 °, 72 °, 96 ° or 120 ° should be at the center of the tooth or the slot.
The initial positioning position of the Hall sensor is arranged at the center of the tooth or the groove, and the Hall sensor is tangent to the center circle of the inner circle Di-Di +1 of the stator.
Hall PCB board (301) and Hall holding ring (303) are seted up hall welding angle and hall mounting groove according to hall definite circumference distribution position, and hall holding ring bottom and stator core surface hug closely.
Preferably, the Hall PCB (301) and the Hall positioning ring (303) are provided with Hall mounting positions through a determined Hall positioning included angle, and then the Hall PCB (301) and the Hall positioning ring (303) are provided with lines and mounting positioning positions and are distributed.
Through the arrangement, the Hall plate assembly (03) required by the motor is assembled by the Hall plate PCB (301), the Hall plate (302), the Hall positioning ring and other accessories
Through the setting, with good stator (01), rotor (02), hall board subassembly (03) of shaping according to certain order installation location, the preparation the utility model discloses a motor is directly driven to the joint.
According to the embodiment of the utility model provides a structural joint directly drives motor adopts reasonable stator tooth's socket 12 and rotor number of poles 10 or 14 cooperation, can realize that the stator winding mode has replaced traditional fractional winding mode by concentrating the winding mode, has greatly reduced in the production process turn-to-turn, withstand voltage bad class quality problem. And better air gap magnetic field waveform can be obtained in the air gap of the motor, the harmonic content is lower, and the counter potential of the winding is sinusoidal. The motor efficiency can be effectively improved, the motor control and running stability is improved, the torque pulsation is reduced, and the motor vibration and noise are reduced. The groove area is as large as possible under the conditions of a reasonable magnetic circuit structure and a gas gap magnetic field, and under the condition of the same groove utilization ratio St, a large-sized copper wire can be adopted for winding, so that the resistance of the motor is reduced, the copper consumption and the iron consumption of the motor are reduced, the motor efficiency and the output of unit volume power density and torque density are improved, in addition, the rotor groove of a rotor part adopts an anti-drop dovetail groove structure design, the rotating speed limit of the motor can be effectively improved, and the power output capability of the motor is improved under the condition that the specific torque is not changed, so that the performance of a joint direct drive motor (.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered by the protection scope of the present invention.
Claims (10)
1. A permanent magnet joint direct drive motor with a Hall plate assembly comprises a stator (01), a rotor (02) and the Hall plate assembly 03; the method is characterized in that: the stator (01) comprises a stator core (101) and a stator winding (102), the stator core (101) is connected with the stator winding (102), the rotor (02) comprises a rotor core (201) and magnetic steel (202), and the rotor core (201) is connected with the magnetic steel (202); the Hall plate assembly (03) comprises a Hall PCB (301), a Hall (302) and a Hall positioning ring (303); the Hall PCB (301) is arranged between the top of the stator (01) and the top of the rotor (02) in a fitting mode, Hall (302) and Hall positioning rings (303) are arranged on the Hall PCB (301), the Hall (302) is uniformly distributed on the inner side of the surface of a circular ring of the Hall PCB (301), and the Hall positioning rings (303) are uniformly distributed on the inner side of the surface of the circular ring of the Hall PCB (301); the rotor is arranged on the inner side of the stator and performs circumferential rotation motion relative to the inner side of the stator; 1/2, the absolute difference between the stator inner diameter Di and the rotor outer diameter do is the rotating air gap g of the motor, namely g | -Di-do |/2, and the air gap g is 0.3-1.5 mm; the stator core is provided with M wire embedding grooves, M is 10-14, the rotor core is provided with N magnetic steel grooves, N is 10-14, the number of rotor magnetic steel sheets is p, wherein p is N, and the magnetic steel poles are arranged at intervals along the circumference to form a corresponding pole number p.
2. The permanent magnet joint direct drive motor with the hall plate assembly as claimed in claim 1, wherein: the stator core has the outer diameter Do of 80-90mm, the inner diameter Di of 50-65mm, the tooth width bt of 5-7.5mm, the slot opening width bs0 of 0.5-3.5mm, the slot shoulder width 1bs1 of 5-8mm, the slot shoulder width 2bs2 of 8-12mm, the slot bottom width bs2 of 10-15mm, the slot opening height hs0 of 0.5-1.2mm, the slot shoulder height 1hs1 of 0.5-1.5mm, the slot shoulder height 2hs2 of 0.5-1.5mm, the slot bottom height hs3 of 4-8mm and the thinnest part K of the yoke of 2-6 mm.
3. The permanent magnet joint direct drive motor with the Hall plate assembly as claimed in claim 2, wherein the slot bottom portion is formed by two straight line segments forming an included angle α, α is 120-180 degrees, a round angle of r0 is inverted at the connection of the line segments, r0 is 2-15mm, or the slot bottom portion is formed by a circular arc line, and the circular arc line is concentric with the inner circle and the outer circle of the stator.
4. The permanent magnet joint direct drive motor with the Hall plate assembly as claimed in claim 2 or 3, wherein: the stator core is formed by laminating and combining a plurality of stacked stator punching sheets.
5. The permanent magnet joint direct drive motor with the Hall plate assembly as claimed in claim 2 or 3, wherein: and after the stator is assembled, the stator is subjected to encapsulation and reinforcement treatment by using epoxy resin or plastic.
6. The permanent magnet joint direct drive motor with the hall plate assembly as claimed in claim 1, wherein: the winding mode of the stator winding is centralized or distributed.
7. The permanent magnet joint direct-drive motor with the Hall plate assembly as claimed in claim 1, wherein the outer diameter do of the rotor is 48-63mm, the inner diameter di of the rotor is 10-35mm, the inner diameter di1 of the rotor core is 35-50mm, dovetail grooves (211) are formed between adjacent rotor teeth (212) of the rotor core, an included angle β between the dovetail grooves (211) is 5-25 degrees, the width br0 of the groove bottom is 8-15mm, the height br1 of the groove top is 11.5-15mm, the width B of the magnetic steel is 8-15mm, the arc cutting R is 3-20mm, the thickness t of the magnetic steel is 2-5mm, and the rear t1 of the thin edge is 0.8-3.5 mm.
8. The permanent magnet joint direct drive motor with the hall plate assembly as claimed in claim 7, wherein: the magnetic steels (202) are uniformly inserted into dovetail grooves (211) of the rotor core (201) at intervals.
9. The permanent magnet joint direct drive motor with the hall plate assembly as claimed in claim 1, wherein: the Hall PCB (301) is provided with 3 Hall (302) and distributed according to mechanical included angles theta among the Hall, the Hall initial positioning position is arranged at the center of a tooth or a groove, the Hall induction is tangent with the center circle of the circle Di-Di +1 in the stator, Hall welding angles and Hall mounting grooves are formed in the Hall PCB (301) and the Hall positioning ring (303) according to the circumferential distribution position determined by the Hall, and the bottom of the Hall positioning ring is tightly attached to the surface of a stator core.
10. The direct drive motor of permanent magnet joint with hall plate assembly of claim 9, characterized in that: and the mechanical included angle theta between the Hall devices is 120 degrees Q/P, wherein Q is a positive integer, P is a pole pair number, P is 2P, and the initial Hall positioning position is arranged at the center of the tooth or the groove.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828145.9U CN210093089U (en) | 2019-06-03 | 2019-06-03 | Permanent magnet joint direct drive motor with Hall plate assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920828145.9U CN210093089U (en) | 2019-06-03 | 2019-06-03 | Permanent magnet joint direct drive motor with Hall plate assembly |
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| CN210093089U true CN210093089U (en) | 2020-02-18 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036971A (en) * | 2021-03-05 | 2021-06-25 | 江苏聚磁电驱动科技有限公司 | Single-wire multilayer winding distribution structure of motor and high-performance motor applying same |
| CN113890215A (en) * | 2021-09-14 | 2022-01-04 | 武汉理工大学 | High-speed amorphous alloy permanent magnet motor |
-
2019
- 2019-06-03 CN CN201920828145.9U patent/CN210093089U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113036971A (en) * | 2021-03-05 | 2021-06-25 | 江苏聚磁电驱动科技有限公司 | Single-wire multilayer winding distribution structure of motor and high-performance motor applying same |
| CN113890215A (en) * | 2021-09-14 | 2022-01-04 | 武汉理工大学 | High-speed amorphous alloy permanent magnet motor |
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