CN109314455A - With substep and the axial Brushless DC motor for walking function admittedly - Google Patents
With substep and the axial Brushless DC motor for walking function admittedly Download PDFInfo
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- CN109314455A CN109314455A CN201780029950.9A CN201780029950A CN109314455A CN 109314455 A CN109314455 A CN 109314455A CN 201780029950 A CN201780029950 A CN 201780029950A CN 109314455 A CN109314455 A CN 109314455A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step
- H02P8/22—Control of step size; Intermediate stepping, e.g. microstepping
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
- H02K11/215—Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
- H02K11/33—Drive circuits, e.g. power electronics
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P8/00—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step
- H02P8/42—Arrangements for controlling dynamo-electric motors of the kind having motors rotating step by step characterised by non-stepper motors being operated step by step
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
A kind of axial direction Brushless DC motor comprising: the stator including multiple coils；Including magnet and it is adapted to be the rotor mobile relative to the stator with one or more full steps, the magnet has multipair magnetic pole；With coil phase circuit, it is adapted to be less than one or more of substeps walked entirely relative to the mobile rotor of the stator and/or with the substep or one or more fixed rotors of full step.
Description
The cross reference of related application
Present patent application is in the portion of 2 months U.S. Provisional Patent Application Serial No. 15/017,237 submitted for 5th in 2016
Point continuation application, and require the priority and right of the application, the entire disclosure of the application is by reference simultaneously
Enter herein.
Present patent application also requires the U.S. Provisional Patent Application Serial No. 62/338,780 submitted on May 19th, 2016
Priority and right, the entire disclosure of the application is herein incorporated by reference.
Technical field
This patent disclosure relates generally to a kind of electric motors, and have half step of substep, solid step and micro-stepping in particular it relates to one kind
The axial Brushless DC motor of function.
Background technique
The present invention relates to the axial directions of type disclosed in the U.S. Patent Publication number 2016/0241107 issued in King et al.
The entire disclosure of brushless electric motor, the patent disclosure is herein incorporated by reference, just as illustrating complete herein
Equally.
There is still a need for the higher axial brushless motors of cost performance.
The present invention passes through the axial brushless electric motor to type disclosed in U.S. Patent Publication number 2016/0241107
Half step of addition substep, solid step and micro-stepping function element meet this for advantageously improving resolution ratio and reducing the purpose of resonance
Demand.
Summary of the invention
The present invention relates generally to a kind of axial Brushless DC motors comprising: the stator including multiple coils；Including magnetic
Body and the rotors mobile relative to stator with one or more full steps are adapted to be, the magnet has multipair magnetic pole；And line
Enclose phase circuit, be adapted be less than one or more substeps walked entirely relative to stator movable rotor and/or with one or
Multiple substeps walk fixed rotor entirely.
In one embodiment, coil phase circuit is to be adapted with the multipair magnetic of the Switch Rotor during motor operates
One or more pairs of orientations in extremely and the three-phase circuit for walking fixed rotor between one or more full steps with half.
In one embodiment, coil phase circuit is to be adapted with the multipair magnetic of the Switch Rotor during motor operates
One or more pairs of three-phase coil circuits oriented and walk fixed rotor entirely with substep or one or more in extremely.
In one embodiment, coil phase circuit includes single phase winding circuit, the motor bridge for being connected to single phase winding
Fitting the motor power for being connected to motor bridgeware, is connected to the microprocessor of motor bridgeware, and is connected to microprocessor
Hall effect sensor, with for during motor operation between one or more full steps with micro-stepping movable rotor.
In one embodiment, coil phase circuit includes being linked together in the shared junction point for being connected to ground connection
Multiple coil circuit sections, with for during motor operation between one or more full steps with micro-stepping movable rotor.
The invention further relates to a kind of axial Brushless DC motors comprising: the stator including multiple coils；Simultaneously including magnet
And be adapted to be and set the rotor mobile relative to stator with full step, the magnet has multipair magnetic pole；With coil phase circuit,
It includes the first, second, and third coil phase section being connected in series at common center tie point, in coil phase section
Each include a pair of of coil of parallel configuration, and electric current is adapted to be and flows through the coil phase in one way
Circuit, the mode is adapted to switch one or more pairs of orientations in the multipair magnetic pole of magnet, for relative to stator
Movable rotor is less than the substep position and/or set fixed rotor with substep position or full step that full step is set.
In one embodiment, by by electric current flowing from pass through common center tie point first and tertiary coil phase
It is switched to across second and tertiary coil phase section of common center tie point between the section of position, rotor can drive from first
Dynamic position is moved to the substep position set less than full step.
In one embodiment, by by electric current flowing from pass through common center tie point first and tertiary coil phase
Tertiary coil is switched to across the first and second coil phase sections of common center tie point and passed through between the section of position
Phase section, rotor can be moved to complete walk from the first activation point and fix position.
The invention further relates to a kind of axial Brushless DC motors comprising: the stator including multiple coils；Simultaneously including magnet
And the rotor being adapted to be to walk entirely or substep position is mobile relative to stator；With coil phase circuit comprising in sharing
The first, second, and third coil phase section being coupled together in series at heart tie point, the first, second, and third coil phase
Each of section includes a pair of of coil of parallel connection, and can be energized in the first activation point and full step or substep
Relative to stator movable rotor between fixed position.
In one embodiment, by switching across the first, second, and third coil phase area of coil phase circuit
The electric current flowing of section, rotor can be mobile relative to stator between the first activation point and full step or the fixed position of substep.
In one embodiment, rotor can pass through common center tie point from electric current and flow through first and third line
First activation point of circle phase section is moved to electric current flowing and has been switched to flow through second and tertiary coil phase region
The substep of section is fixed half step and is set.
In one embodiment, rotor can pass through common center tie point from electric current and flow through first and third line
First activation point of circle phase section is moved to electric current flowing and has been switched to flow through across common center tie point
First and second coil phase sections and the fixed position of the full step for entering tertiary coil phase section.
There are other advantages and features of the present invention, the described below of embodiment according to the present invention, attached drawing and with
Attached claims will be evident.
Detailed description of the invention
Attached drawing constitutes the identical drawing reference numeral in part of specification and attached drawing for specifying same parts, in attached drawing
In:
Fig. 1 is according to the present invention to be incorporated to substep, micro-stepping and the perspective view of the axial Brushless DC motor of step function admittedly；
Fig. 2 is the vertical cross-section view of axial Brushless DC motor shown in FIG. 1；
Fig. 2A is the decomposition perspective view of axial Brushless DC motor shown in FIG. 1；
Fig. 3 A is the simplification of the rotor-position of stator and axial motor in the first activation point of the rotor of axial motor
Plan view；
Fig. 3 B is the stator that electric current flowing passes through axial motor in the first activation point for be depicted in the rotor of axial motor
The schematic diagram of coil phase circuit；
Fig. 3 C is the schematic diagram of the rotor magnetic pole orientation of the axial motor in the first activation point of the rotor of axial motor；
Fig. 4 A is the simplification plane of the rotor-position of stator and axial motor in half step of the rotor of axial motor is set
Figure；
Fig. 4 B is the stator coil for being depicted in half step of the rotor of axial motor and setting middle electric current flowing across axial motor
The schematic diagram of phase circuit；
Fig. 4 C is the schematic diagram of the rotor magnetic pole orientation of the axial motor in half step of the rotor of axial motor is set；
Fig. 5 A is the simplification plane of the rotor-position of stator and axial motor in half step of the rotor of axial motor is set
Figure；
Fig. 5 B is the stator coil for being depicted in half step of the rotor of axial motor and setting middle electric current flowing across axial motor
The schematic diagram of circuit；
Fig. 5 C is the schematic diagram of the rotor magnetic pole orientation of the axial motor in half step of the rotor of axial motor is set；
Fig. 6 A is the simplification plane of the rotor-position of stator and axial motor in the full step of the rotor of axial motor is set
Figure；
Fig. 6 B is the stator coil for being depicted in the full step of the rotor of axial motor and setting middle electric current flowing across axial motor
The schematic diagram of phase circuit；
Fig. 6 C is the schematic diagram of the rotor magnetic pole orientation of the axial motor in the full step of the rotor of axial motor is set；
Fig. 7 is the block diagram of micro-stepping motor driving and stator coil phase circuit；With
Fig. 8 is the schematic diagram of the micro-stepping stator coil phase circuit with grounding connection.
Specific embodiment
Fig. 1,2 and 2A describe the axial Brushless DC motor 10 according to the present invention for being incorporated to substep, solid step and micro-stepping function,
The motor have issue in King et al. and transfer CTS Corp. U.S. Patent Application Publication No. 2016/0241107 in institute it is public
The type and structure opened, the entire disclosure of the Shen Qing Publication are incorporated herein and constitute the part of the application, just as
It is complete herein to illustrate equally.
Axial Brushless DC motor 10 includes stator or stator module 12, rotor or rotor assembly 14, limits internal elongate
Long and narrow and general cylindrical the sleeve bushing 16 of through-hole 40, is mounted on the ball bearing 18 for being mounted on 16 lower end of sleeve bushing
The thrust bearing 20 and long and narrow motor drive shaft 21 of 16 upper end of sleeve bushing, and such as U.S. Patent Application Publication No. 2016/
More detailed description and the other elements just as being herein incorporated by reference complete elaboration herein in 0241107.?
In shown embodiment, axial Brushless DC motor 10 is six fluted shaft of three-phase octupole to Brushless DC motor.
Stator module 12 includes in the form of the disk for limiting central through hole or aperture 23 and the flat base 22 of shape, limit
Internal circumference shoulder 24 defined by the inner wall of the pedestal 22 of its fixed central through hole 23, and respectively limit multiple motor installation through-holes
Multiple periphery motor mounting brackets 13 of 13a.
In the illustrated embodiment, pedestal 22 is made of powdered-metal.Multiple stator armature binding posts 25, that is, scheming
1, six stator armature binding posts in 2 and 3 embodiment are orthogonally upwardly and outwardly dashed forward from the inner face of pedestal 22 is unified
Out.In the illustrated embodiment, direct current terminal 25 is general triangular in shape, and with logical with center relative to each other
The relationship that hole or aperture 23 are spaced apart extends entire circle around central through hole or aperture 23.
Stator module 12 includes multiple long and narrow thermoplasticity spools 26, and the spool 26 is with multiple spools 26 respectively around multiple
The relationship of binding post 25 is separately mounted on multiple binding posts 25.
Multiple electric coil envelopes 28 surround multiple spools 26 respectively.Spool 26 and coil envelope 28 are positioned relative to each other
In on pedestal 22, so that slot or gap are defined between each spool 26 and coil 28.Shown embodiment limits six
Slot or gap 30.
Rotor assembly 14 includes in the form of the disk for limiting central through hole or aperture 34 and the flat base 32 of shape.Base
Seat 32 is made of powdered-metal.Flat magnets 36 against the bottom surface of rotor pedestal 32 38 outer surface and place.In shown reality
It applies in scheme, magnet 36 is greater than in the form of limiting the disk in central through hole or aperture 39 with shape, the diameter of the magnet 36
It central through hole defined in rotor pedestal 32 or the diameter in aperture 34 and is spaced from.In the illustrated embodiment, magnetic
Body 36 is made of compression bonding type Neo ferrite magnetic material, and including multipair N-S magnetic pole, and more particularly still, magnet
36 have eight poles alternating N-S.
Rotor assembly 14 and stator module 12 are positioned relative to each other with covering relation, wherein the magnet 36 of rotor assembly 14
External bottom surface be positioned as it is opposite with the exterior top surface of coil 28 of direct current terminal 25, spool 26 and stator module 12,
It separates and in parallel, and further to be spaced apart with the pedestal 22 of stator module 12 and parallel relationship positioning.With this relationship,
Two pairs of coils 28 (or four coils or two phases) are in any commutation phase in response to the rotation of rotor assembly 14 and magnet 36
And it is powered.
Sleeve bushing 16, bearing 18 and 20, and to be generally normal to the pedestal 22 of stator module 12 and rotor assembly 14
Relationship orientation motor drive shaft 21, to allow rotor assembly 14 in response to the rotation of motor drive shaft 21 relative to stator module 12 revolve
The relationship assembling turned.
Specifically, in the illustrated embodiment, the lower end of sleeve bushing 16 extends to institute in the pedestal 22 of stator module 12
In the aperture 23 of restriction, and the shoulder 24 defined by 22 inside of pedestal and place, with for sleeve bushing 16 from fixed
The pedestal 22 of sub-component 12 extend upwardly and outwardly generally normally relationship and further with corresponding direct current terminal 25,
The relationship that spool 26 and electric coil envelope 28 surround sleeve bushing 16 but be spaced from, is installed to stator pack for sleeve bushing 16
The center of part 12.
Motor drive shaft 21 extends through inside sleeve bushing 16, and lower end extends through defined in the pedestal 22 of stator 12
Interior bone 23, therefore be orthogonal to the relationship of the pedestal 22 of stator module 12 orientation and positioning.
Motor drive shaft 21 is installed to sleeve bushing 16 by ball bearing 18 and thrust bearing 20, for relative to sleeve bushing
16 and stator module 12 pedestal 22 and rotate.
Specifically, in the illustrated embodiment, ball bearing 18 is located in the collar 42 formed at 16 lower end of sleeve bushing
And against its positioning, and 21 lower end of motor drive shaft is surrounded, to be used to 21 lower end of motor drive shaft being installed to 16 lower end of sleeve bushing,
To reach the pedestal 22 relative to 16 lower end of sleeve bushing and stator module 12 and rotate.
Thrust bearing 20 is placed in the collar 44 formed at 16 upper end of sleeve bushing, and on motor drive shaft 21
End, to be used to install 21 upper end of motor drive shaft, to reach relative to 16 upper end of sleeve bushing and rotate.
The pedestal 32 of rotor 14 is mounted to 21 upper end of motor drive shaft and around the upper end.Magnet 36 is mounted to rotor 14
The downside of pedestal 32, and around 21 upper end of motor drive shaft but be spaced from.
According to the present invention, rotor 14 is designed with or without any feedback transducer, in motor
21 upper end of axis is relative to stator 12, not only with the full step of standard but also with half step of substep or micro-stepping be mobile and rotation, it is as follows more
It is discussed in detail.
Fig. 3 B, 4B, 5B and 6B describe the three-phase coil circuit 50 of stator module 12, in the illustrated embodiment, described fixed
Sub-component 12 is substantially Y-shaped circuit, comprising: the U phase coil circuit section 50a of first pair of coil 28 including parallel arrangement,
2nd W phase coil circuit section 50b of second pair of coil 28 including parallel arrangement, and the third including parallel arrangement is to coil
28 the 3rd V phase coil circuit section 50c.
U circuitry phase 50a and coil 28 and W phase and V circuitry phase 50b and 50c and coil 28 are generally indicated that with label 52
Shared tie point at coupled in series.
Fig. 3 A, 3B and 3C are depicted in the rotor position of motor 10 in the first starting activation point of the rotor 14 of motor 10 respectively
It sets, threephase stator coil circuit 50 and rotor magnetic pole orientation.
More specifically, Fig. 3 A describes rotor 14, and more specifically, its magnetic in first 7.5 degree of activation points of starting
Body 36, Fig. 3 B describe the U for the coil 28 for being powered and passing through with the electric current flowing that alphabetical I is generally indicated that stator coil phase circuit 50
Phase and W phase section or group；And Fig. 3 C describes the orientation of rotor magnetic pole caused by the energization of coil 28 as depicted in Figure 3 B a.
Fig. 4 A, 4B and 4C are depicted in the first half fixed positions of step of the rotor 14 of motor 10 relative to stator module 12 respectively
Rotor-position, threephase stator coil circuit 50 and the rotor magnetic pole orientation of middle motor 10.
More specifically, Fig. 4 A describe in response to coil 28 energization from Fig. 3 B be powered be switched to Fig. 4 B be powered caused by from
Fig. 3 C rotor magnetic pole orientation is switched to Fig. 4 C rotor magnetic pole orientation, rotor 14, and more specifically, the magnet 36 of rotor 14 is opposite
In rotor 14 as shown in Figure 3A the first activation point and rotate or rotate 7.5 degree, it is big with alphabetical I in energization switching
The electric current flowing of body instruction by the V phase of coil phase circuit 50 and W phase coil 28 rather than the U phase of coil as shown in Figure 3B and
W group.
More particularly still, in Fig. 3 A and 4A, the north and south poles of the magnet 36 of alphabetical N and S instruction rotor 14.
In figure 3b, it is flowed with the electric current that alphabetical I is generally indicated that from U phase coil circuit section 50a, passes through the section,
And via with pass through common center tie point 52 and into and through W phase coil circuit section 50c, and in figure 4b, electric current
Flowing has been switched, and is flowed from V phase coil circuit section 50b, and the section, rather than U phase line as shown in Figure 3B are passed through
Enclose circuit section 50a, and via with pass through common center tie point 52 and into and through W phase coil circuit section 50c.
In Fig. 3 C and 4C, alphabetical N, S and O respectively indicate the arctic, the South Pole and the neutral pole of the magnet 36 of rotor 14.Scheming
In 3C, a pair of of S magnetic pole is associated with W and W1 phase coil circuit section, and a pair of of N magnetic pole is related to U and U1 phase coil circuit section
Connection, and a pair of O magnetic pole is associated with V and V1 phase coil circuit section.In figure 4 c, S magnetic pole and W and W1 phase coil circuit region
Section is associated, and N magnetic pole is associated with V and V1 phase coil circuit section, and O magnetic pole is related to U and U1 phase coil circuit section
Connection.
According to the present invention, half step that rotor 14 is fixed on Fig. 4 A is set, and is switched back into until coil is powered from Fig. 4 B energization
Fig. 3 B is powered, this causes rotor magnetic pole orientation to switch back into Fig. 3 C orientation from Fig. 4 C orientation, mobile thus relative to the position of Fig. 4 A
Or 14 another 7.5 degree of rotor of rotation, to allow rotor 14 to reach and complete the rotation of its 15 degree full step.
According to the present invention, in 15 degree of complete 7.5 degree of substeps partly step rotations for walking addition rotor 14 between rotation of rotor 14, until
It less provides the advantage that double by resolution ratio and reduces resonance and improve system and motor performance；It is not required for walking number entirely
The cost performance of more motor, solution increases；And location error is not accumulated.
Motor 10 be also adapted under three phase modes full step fix, below with reference to Fig. 5 A, 5B, 5C, 6A, 6B and
Described by 6C.
Fig. 5 A, 5B and 5C are similar to Fig. 3 A, 3B and 3C, and therefore, the above description of Fig. 3 A, 3B and 3C are incorporated by reference
The description of Fig. 5 A, 5B and 5C.
Fig. 6 A, 6B and 6C describe in response to coil phase power-on circuit the discribed driving coil power-on circuit from Fig. 5 B
(it is wherein flowed by the electric current that letter and label I generally indicate that from U phase coil circuit section 50a, and passes through the section, and
And coil discribed in Fig. 6 B such as is switched to across W phase coil circuit section 50c) and is led to via with shared junction 52 is passed through
(electric current wherein generally indicated that by letter and label 0.5I is flowed from U and V phase coil circuit section 50a and 50b circuit respectively
And pass through the section, and via with pass through share junction 52 and into and through W phase coil circuit section 50c),
In the full rotor 14 for walking fixed position after 15 degree of rotation.
This switch mode that coil is powered causes as rotor magnetic pole discribed in Fig. 6 C changes in orientation of or switches,
Middle a pair of pole S is associated with W and W1 phase coil circuit section, and first pair of pole N is associated with U and U1 coil circuit section, and
Second pair of pole N is associated with V and V1 phase coil circuit section.
The energization of individual U, V and W phase coil circuit section 50a, 50b and 50c of stator coil phase circuit 50 are such as schemed
Described in 6B, rotor 14 is fixed on to the position of Fig. 6 A.Coil is powered to be switched back into as depicted in fig. 4b from Fig. 6 B energization
The fixation of rotor 14 will be discharged by being powered, and allow the other half step or full step rotation of rotor 14, as described above.
Motor 10 of the invention is also adapted so that micro-stepping is mobile between full step rather than half moved further.
According to an embodiment, the micro-stepping of rotor 14 can be by by three companies discribed in Fig. 3 B, 4B, 5B and 6B
The coil optimizing phase and circuit connect be separated into three absolute coil optimizing phases or circuit 100 as depicted in Figure 7 and
It respectively include: the single phase winding circuit 102 of a pair of of coil 28 including parallel connection；It is connected to the horse of single phase winding circuit 102
Up to bridgeware 104；It is connected to the motor power 106 of motor bridgeware 104；It is connected to the microprocessor of motor bridgeware 104
108；With the hall effect sensor 110 for being connected to microprocessor 108.
According to another embodiment, the micro-stepping of rotor 14 can pass through three-phase coil circuit 50 depicted in figure 8
Addition is realized in fig. 8 with grounding connection that label 150 generally indicates that at common point 52, wherein three-phase depicted in figure 8
Coil circuit 50 is structurally equivalent to Fig. 3 B, discribed three-phase coil circuit in 4B, 5B and 6B.
According to these embodiments, if each input phase electric current is driven by sinusoidal and cosine waveform, motor 10
It can operate in a synchronous manner, and micro-stepping is a kind of sense of current and amplitude by by controlling each phase, and more
Specifically, by making electric current flowing pass through whole electric currents on phase coil one direction or whole electric currents in relative direction
The technology of motor resolution ratio is improved in part.Sinusoidal and cosine micro-stepping is the most common form, but other waveforms can also be used.
Above-mentioned axial brushless direct-current can be realized in the case where not departing from the spirit and scope of novel feature of the invention
Many change and modification of motor.It will thus be appreciated that being intended to or should infer for axial brushless direct-current horse as described herein
There is no limit for the structure or step function reached.It is, of course, intended to be the model for falling into claims by appended claims covering
Enclose interior all such modifications.
Claims (12)
1. a kind of axial direction Brushless DC motor comprising:
Stator including multiple coils；
Including magnet and it is adapted to be the rotor mobile relative to the stator with one or more full steps, the magnet has
Multipair magnetic pole；With
Coil phase circuit is adapted to be less than relative to the stator mobile rotor and one or more of walk entirely
Step by step and/or with one or more of substeps or the fixed rotor of full step.
2. axial direction Brushless DC motor as described in claim 1, wherein the coil phase circuit is to be adapted described
Motor switches one or more pairs of orientations in the multipair magnetic pole of the rotor and one or more during operating
The three-phase circuit for walking the fixed rotor between a full step with half.
3. axial direction Brushless DC motor as described in claim 1, wherein the coil phase circuit is to be adapted described
Motor switches one or more pairs of orientations in the multipair magnetic pole of the rotor and with the substep or one during operating
The three-phase coil circuit of a or multiple fixed rotors of full step.
4. axial direction Brushless DC motor as described in claim 1, wherein the coil phase circuit include single phase winding circuit,
It is connected to the motor bridgeware of the single phase winding, the motor power for being connected to the motor bridgeware, is connected to the motor
The microprocessor of bridgeware, and it is connected to the hall effect sensor of the microprocessor, for operating the phase in the motor
Between between one or more of full steps with the mobile rotor of micro-stepping.
5. axial direction Brushless DC motor as described in claim 1, wherein the coil phase circuit, which is included in, is connected to ground connection
Multiple coil circuit sections for being linked together of shared joint, with for during motor operation one or
With the mobile rotor of micro-stepping between multiple full steps.
6. a kind of axial direction Brushless DC motor comprising:
Stator including multiple coils；
It including magnet and is adapted to be and sets the rotor mobile relative to the stator with full step, the magnet has multipair magnetic
Pole；With
Coil phase circuit comprising the first, second, and third coil phase area being connected in series at common center tie point
Section, each of described coil phase section includes a pair of of coil of parallel configuration, and electric current is adapted to be with a kind of side
Formula flows through the coil phase circuit, and the mode is adapted to switch a pair in the multipair magnetic pole of the magnet
Or multipair orientation, with for relative to the mobile rotor of the stator be less than substep position that the full step is set and/or
The fixed rotor is set with the substep position or full step.
7. axial direction Brushless DC motor as claimed in claim 6, wherein by by electric current flowing from passing through the common center
Described second across the common center tie point is switched between described first and tertiary coil phase section of tie point
Between tertiary coil phase section, the rotor can be moved to the substep position set less than the full step from the first activation point
It sets.
8. axial direction Brushless DC motor as claimed in claim 6, wherein by by electric current flowing from passing through the common center
Described first across the common center tie point is switched between described first and tertiary coil phase section of tie point
And second between coil phase section and pass through the tertiary coil phase section, the rotor can be mobile from the first activation point
Fixed position is walked to complete.
9. a kind of axial direction Brushless DC motor comprising:
Stator including multiple coils；
Including magnet and it is adapted to be rotor to walk entirely or substep position is mobile relative to the stator；
Coil phase circuit comprising the first, second, and third coil being coupled together in series at common center tie point
Phase section, each of described first, second, and third coil phase section include a pair of of coil of parallel connection, and
It can be energized between the first activation point and full step or the fixed position of substep relative to the mobile rotor of the stator.
10. axial direction Brushless DC motor as claimed in claim 9, wherein by switching across the institute of the coil phase circuit
State the electric current flowing of the first, second, and third coil phase section, the rotor can in first activation point and full step or
It is mobile relative to the stator between the fixed position of substep.
11. axial direction Brushless DC motor as claimed in claim 10, wherein the rotor can pass through in described share from electric current
Heart tie point and flow through described first and first activation point of tertiary coil phase section be moved to the electric current
Flowing be switched to flow through described second and the substep of tertiary coil phase section fix half step and set.
12. axial direction Brushless DC motor as claimed in claim 10, wherein the rotor can pass through in described share from electric current
Heart tie point and flow through described first and first activation point of tertiary coil phase section be moved to the electric current
Flowing be switched to flow through across the common center tie point the first and second coil phases section and
Into the fixed position of full step of the tertiary coil phase section.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662338780P | 2016-05-19 | 2016-05-19 | |
| US62/338780 | 2016-05-19 | ||
| PCT/US2017/032807 WO2017200980A1 (en) | 2016-05-19 | 2017-05-16 | Axial brushless dc motor with fractional and hold step function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109314455A true CN109314455A (en) | 2019-02-05 |
Family
ID=65207691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780029950.9A Withdrawn CN109314455A (en) | 2016-05-19 | 2017-05-16 | With substep and the axial Brushless DC motor for walking function admittedly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109314455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113556016A (en) * | 2021-07-21 | 2021-10-26 | 清华大学 | Motor and centrifugal compressor integrated device |
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| US5168187A (en) * | 1991-02-20 | 1992-12-01 | Dana Corporation, Warner Electric Brake & Clutch Division | Axial pole stepping motor |
| US5334898A (en) * | 1991-09-30 | 1994-08-02 | Dymytro Skybyk | Polyphase brushless DC and AC synchronous machines |
| US5514923A (en) * | 1990-05-03 | 1996-05-07 | Gossler; Scott E. | High efficiency DC motor with generator and flywheel characteristics |
| US6348751B1 (en) * | 1997-12-12 | 2002-02-19 | New Generation Motors Corporation | Electric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gap |
| US20070138983A1 (en) * | 2003-12-09 | 2007-06-21 | Pietro De Filippis | Method and inverter for controlling a direct current motor |
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| DE102013109877A1 (en) * | 2013-09-10 | 2015-03-12 | Zf Lenksysteme Gmbh | Method for controlling an electric motor |
| WO2015189121A2 (en) * | 2014-06-12 | 2015-12-17 | Mmt Sa | Mechatronic assembly for driving an outer member using a brushless motor and a basic assembly of electronic components |
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| US3117268A (en) * | 1960-10-26 | 1964-01-07 | Superior Electric Co | Electric motor control circuit |
| US4223255A (en) * | 1977-10-28 | 1980-09-16 | Goldman Gary S | Electric wheel |
| US4692674A (en) * | 1985-04-26 | 1987-09-08 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Brushless DC motor control system responsive to control signals generated by a computer or the like |
| US4949000A (en) * | 1988-07-18 | 1990-08-14 | Mueller And Smith, Lpa | D.C. motor |
| US5514923A (en) * | 1990-05-03 | 1996-05-07 | Gossler; Scott E. | High efficiency DC motor with generator and flywheel characteristics |
| US5168187A (en) * | 1991-02-20 | 1992-12-01 | Dana Corporation, Warner Electric Brake & Clutch Division | Axial pole stepping motor |
| US5334898A (en) * | 1991-09-30 | 1994-08-02 | Dymytro Skybyk | Polyphase brushless DC and AC synchronous machines |
| US6348751B1 (en) * | 1997-12-12 | 2002-02-19 | New Generation Motors Corporation | Electric motor with active hysteresis-based control of winding currents and/or having an efficient stator winding arrangement and/or adjustable air gap |
| US20070138983A1 (en) * | 2003-12-09 | 2007-06-21 | Pietro De Filippis | Method and inverter for controlling a direct current motor |
| CN202384875U (en) * | 2011-08-13 | 2012-08-15 | 江西泰豪特种电机有限公司 | Megawatt doubly-fed wind generator rotor double winding structure |
| DE102013109877A1 (en) * | 2013-09-10 | 2015-03-12 | Zf Lenksysteme Gmbh | Method for controlling an electric motor |
| WO2015189121A2 (en) * | 2014-06-12 | 2015-12-17 | Mmt Sa | Mechatronic assembly for driving an outer member using a brushless motor and a basic assembly of electronic components |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113556016A (en) * | 2021-07-21 | 2021-10-26 | 清华大学 | Motor and centrifugal compressor integrated device |
| CN113556016B (en) * | 2021-07-21 | 2023-02-21 | 清华大学 | Motor and centrifugal compressor integrated device |
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