CN206237278U - Motor - Google Patents
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- CN206237278U CN206237278U CN201621295787.XU CN201621295787U CN206237278U CN 206237278 U CN206237278 U CN 206237278U CN 201621295787 U CN201621295787 U CN 201621295787U CN 206237278 U CN206237278 U CN 206237278U
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Abstract
The utility model discloses a kind of motor, including：Energized stator portion；Excitation rotor portion, axial direction and energized stator portion interval setting of the excitation rotor portion along the motor；Reluctance rotor portion, the reluctance rotor portion is axially disposed between the energized stator portion and the excitation rotor portion along the motor；Switching mechanism, the switching mechanism serves as the rotor that can be rotated relative to the energized stator portion by the relative position of two in alternatively fixed the energized stator portion, the excitation rotor portion and the reluctance rotor portion to choose at least one of the excitation rotor portion and the reluctance rotor portion；Output shaft, the output shaft is driven by the rotor and rotated.According to motor of the present utility model, by the axial direction by excitation rotor portion along motor and energized stator portion interval setting, energized stator portion and excitation rotor portion is in the both sides of air gap and does not interfere with each other is conducive to improving the efficiency of motor.
Description
Technical field
The utility model is related to technical field of motors, more particularly, to a kind of motor.
Background technology
With the development of science and technology, the speed-regulating function of motor has also gradually obtained more attention.Generally, due to power network or
The limitation of drive system busbar voltage, motor wants to change working speed on a large scale in the case of taking into account torque characteristics, it is necessary to
Carry out special control or structure design.Method the more commonly used at present is using weak magnetic control, however, this mode is to electricity
The parameter of machine has certain limitation, it is impossible to take into account the high-efficiency operation of low speed high torque workspace and high speed low torque.
Utility model content
The utility model is intended at least solve one of technical problem present in prior art.Therefore, of the present utility model
One purpose is to propose a kind of motor, the characteristics of the motor has high torque density, while can be by different running statuses
Switching cause that motor always works in high efficient area under different loads operating mode between.
According to motor of the present utility model, including：Energized stator portion；Excitation rotor portion, the excitation rotor portion is along described
The axial direction of motor and energized stator portion interval setting；Reluctance rotor portion, the reluctance rotor portion along the motor axial direction
It is located between the energized stator portion and the excitation rotor portion；Switching mechanism, the switching mechanism is by alternatively fixing institute
State the relative position of two in energized stator portion, the excitation rotor portion and the reluctance rotor portion and turned with choosing the excitation
At least one of sub-portion and the reluctance rotor portion are served as can be relative to the rotor of energized stator portion rotation；Output shaft, institute
State output shaft and driven by the rotor and rotate.
According to motor of the present utility model, set by the way that excitation rotor portion is spaced along the axial direction of motor with energized stator portion
Put, energized stator portion and excitation rotor portion is in the both sides of air gap and does not interfere with each other, be conducive to improving torque and the power of motor
Density.And, the simple structure in reluctance rotor portion, reliability produce torque, with high torque density using magnetic resistance mudulation effect
Feature.In addition, by setting switching mechanism, it is possible to achieve the switching of the various states of motor, motor under different conditions etc.
Effect rotor number of pole-pairs and the electric frequency difference of work significantly, under the premise of the winding for not changing motor is connected, have widened turning for motor
Fast working range.
According to some embodiments of the present utility model, the switching mechanism can be cut between the first state and a second state
Change, the output shaft is fixedly connected with the reluctance rotor portion, the switching mechanism fixes described when being in the first state
Excitation rotor portion, the reluctance rotor portion serves as rotor and drives the output shaft rotation, and the switching mechanism is in described second
The relative position in the excitation rotor portion and the output shaft, the reluctance rotor portion and the excitation rotor portion are fixed during state
Serve as rotor and drive the output shaft rotation.
According to some embodiments of the present utility model, the switching mechanism includes：Excitation rotor retainer ring, the excitation turns
Sub- retainer ring is fixed with the relative position in the excitation rotor portion；Reluctance rotor retainer ring, the reluctance rotor retainer ring and institute
The relative position for stating reluctance rotor portion is fixed；Lock ring, the lock ring is axially movable along the motor；Synchronizer, institute
When stating switching mechanism in the first state, the synchronizer is fixed with the excitation rotor retainer ring and the reluctance rotor
Ring departs from and coordinates and excitation rotor portion described in the lock ring locking, described when the switching mechanism is in second state
Synchronizer is encouraged with described in the excitation rotor retainer ring and reluctance rotor retainer ring cooperation and lock ring release respectively
Magnet rotor portion.
According to some embodiments of the present utility model, the excitation rotor retainer ring is fixed with the excitation rotor portion and connected
Connect, the reluctance rotor retainer ring is fixedly connected with the output shaft.
According to some embodiments of the present utility model, the synchronizer, the excitation rotor retainer ring and the magnetic resistance turn
Latch is respectively equipped with sub- retainer ring, when the switching mechanism is in the first state, the latch difference on the synchronizer
It is disengaged from the latch on the latch in the excitation rotor retainer ring and the reluctance rotor retainer ring, the switching mechanism
During in second state, latch on the synchronizer respectively with the excitation rotor retainer ring on latch and the magnetic
Latch engagement on resistance rotor retaining ring.
According to some embodiments of the present utility model, the latch on the synchronizer is distributed in the outer peripheral face of the synchronizer
On inner peripheral surface, the latch in the excitation rotor retainer ring is distributed on the inner peripheral surface of the excitation rotor retainer ring, described
Latch in reluctance rotor retainer ring is distributed on the outer peripheral face of the reluctance rotor retainer ring.
According to some embodiments of the present utility model, one end away from the energized stator portion of the output shaft constitutes axle
End is stretched, the switching mechanism is set adjacent to the axle stretch end of the output shaft.
According to some embodiments of the present utility model, the reluctance rotor portion is fixed with the excitation along the axial direction of the motor
Sub-portion and the excitation rotor portion are oppositely arranged.
According to some embodiments of the present utility model, the central axis in the energized stator portion, the excitation rotor portion
The central axis of central axis, the central axis in the reluctance rotor portion and the output shaft coincides with one another.
According to some embodiments of the present utility model, the energized stator portion includes：Winding iron core；Winding, the winding
It is wound on the winding iron core.
According to some embodiments of the present utility model, the winding iron core includes：Substrate；Multiple tooth blocks, multiple teeth
Block is located on the surface in the direction of the substrate reluctance rotor portion and along the circumferential spaced set of the motor, it is described around
Group is wound on multiple tooth blocks.
According to some embodiments of the present utility model, the excitation rotor portion includes：Permanent magnetism iron core；Multiple permanent magnets are more
The individual permanent magnet is located on the surface towards reluctance rotor portion of the permanent magnetism iron core and along the circumferential equidistant of the motor
Set.
According to some embodiments of the present utility model, the reluctance rotor portion includes：Non-magnetic fixed plate, it is described non-magnetic
Be formed with fixed plate along the motor circumferential spaced set and along the motor axially through multiple mounting holes；It is many
Individual magnetic conduction magnetic resistance block, multiple magnetic conduction magnetic resistance blocks are respectively provided in multiple mounting holes.
According to some embodiments of the present utility model, the magnetic conduction magnetic resistance block is fixed with the excitation along the axial direction of the motor
The gap of sub-portion and the excitation rotor portion in the axial direction of the motor is oppositely arranged.
According to some embodiments of the present utility model, the rotary magnetic that the energized stator portion is driven by alternating current and produced
The number of pole-pairs of field is ps, the number of pole-pairs of the excitation field that the excitation rotor portion produces is pf, the quantity of the magnetic conduction magnetic resistance block is
pr, wherein, pr=| ps±pf|。
Additional aspect of the present utility model and advantage will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the explosive view of the motor according to the utility model embodiment；
Fig. 2 is the structural representation of the winding iron core of the motor shown in Fig. 1；
Fig. 3 is the structural representation when switching mechanism is in first state according to the motor of the utility model embodiment；
Fig. 4 is the enlarged drawing in the A portions that Fig. 3 centre circles show；
Fig. 5 is the structural representation when switching mechanism is in the second state according to the motor of the utility model embodiment；
Fig. 6 is the enlarged drawing in the B portions that Fig. 5 centre circles show.
Reference：
100：Motor；
10：Energized stator portion；11：Winding iron core；111：Substrate；112：Tooth block；12：Winding；
20：Excitation rotor portion；21：Permanent magnetism iron core；22：Permanent magnet；
30：Reluctance rotor portion；31：Non-magnetic fixed plate；311：Mounting hole；32：Magnetic conduction magnetic resistance block；
40：Output shaft；
50：Switching mechanism；
51：Lock ring；52：Excitation rotor retainer ring；
53：Reluctance rotor retainer ring；54：Synchronizer.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ",
The orientation or position relationship of the instruction such as " axial direction ", " radial direction ", " circumference " are, based on orientation shown in the drawings or position relationship, to be only
Described with simplified for the ease of description the utility model, must had rather than the device or element for indicating or implying meaning specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two connections of element internal.For
For one of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
With the development of science and technology, the speed-regulating function of motor has also gradually obtained more attention.Generally, due to power network or
The limitation of drive system busbar voltage, motor wants to change working speed on a large scale in the case of taking into account torque characteristics, it is necessary to
Carry out special control or structure design.The more commonly used method is that, using weak magnetic control, but this mode is to motor at present
Parameter have certain limitation, it is impossible to take into account the high-efficiency operation of low speed high torque workspace and high speed low torque.
On the one hand, the pole-changing induction machine in correlation technique is operated under fixed mains frequency, by change stator around
The connected mode of group, reaches the rotor number of poles change induced in rotor cage, so as to adjust motor speed.But this kind of method is not
Suitable for synchronous motor, and need to change the connection of stator winding, ten under the main trend of direct current variable frequency motor development
Divide and fall behind.And on the other hand, there is scholar to propose that memory electrical machine can be constituted by using low-coercivity permanent magnets such as AlNiCo, lead to
Cross winding carries out on-line tuning to the magnetizing direction degree of rotor permanent magnet, to reach the purpose of synchronous motor pole-changing, but this kind
The low-coercivity permanent magnet magnetic energy level that method is used is relatively low, and the overall power density for easily causing motor is same far below traditional permanent magnetism
Walk the problem of motor.
Therefore, the utility model proposes a kind of motor, the characteristics of the motor has high torque density, while can be by not
Between causing that motor always works in high efficient area under different loads operating mode with the switching of running status, it is adaptable to which load behavior is passed through
The application scenario for often changing.
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
1- Fig. 6 specifically describes the motor 100 according to the utility model embodiment below in conjunction with the accompanying drawings.
As shown in figs 1 to 6, the motor 100 according to the utility model embodiment includes energized stator portion 10, excitation rotor
Portion 20, reluctance rotor portion 30, switching mechanism 50 and output shaft 40.
Specifically, axial direction and energized stator portion 10 interval setting, reluctance rotor portion of the excitation rotor portion 20 along motor 100
30 being axially disposed between energized stator portion 10 and excitation rotor portion 20 along motor 100, switching mechanism 50 is by alternatively fixing
The relative position of two in energized stator portion 10, excitation rotor portion 20 and reluctance rotor portion 30 is choosing the and of excitation rotor portion 20
At least one of reluctance rotor portion 30 serves as can be driven relative to the rotor of the rotation of energized stator portion 10, output shaft 40 by the rotor
Rotation.
In other words, the motor 100 is main by energized stator portion 10, excitation rotor portion 20, reluctance rotor portion 30, switching mechanism
50 and output shaft 40 constitute, wherein, energized stator portion 10 substantially forms the annular of the circumferentially extending along motor 100, energized stator
The middle part in portion 10 has the stator installation passage along axial direction (left and right directions as shown in Figure 1) insertion of motor 100, motor 100
Operationally, energized stator portion 10 is motionless relative to the housing stationary of motor 100 as the stator of motor 100.
Further, excitation rotor portion 20 substantially forms the annular of the circumferentially extending along motor 100, excitation rotor portion 20
Middle part have along motor 100 axially through rotor installation passage, excitation rotor portion 20 is with energized stator portion 10 along motor 100
Axially spaced arrangement.
In the axial direction of motor 100, reluctance rotor portion 30 be located between energized stator portion 10 and excitation rotor portion 20 and with
Energized stator portion 10 and excitation rotor portion 20 are respectively separated setting to form air gap respectively, output shaft 40 along motor 100 axial direction
The rotor installation passage of the stator installation passage, reluctance rotor portion 30 and excitation rotor portion 20 in energized stator portion 10 is sequentially passed through,
The middle part of output shaft 40 is fixedly linked with reluctance rotor portion 30, makes it as the rotor of motor 100, when motor 100 works, phase
For the housing motion of motor 100.
Therefore, by the axial direction by excitation rotor portion 20 along motor 100 and the interval setting of energized stator portion 10, energized stator
Portion 10 and excitation rotor portion 20 is in the both sides of air gap and does not interfere with each other, is conducive to improving torque and the power density of motor 100,
And simple structure, the reliability in reluctance rotor portion 30, produce torque, the spy with high torque density using magnetic resistance mudulation effect
Point.
Switching mechanism 50 is interactive between the first position and the second position, and selectively with energized stator portion 10, excitation
Two in rotor portions 20, reluctance rotor portion 30 are connected and make two coupled part geo-stationaries, so as to choose excitation turn
Sub-portion 20 as motor 100 rotor or stator.
Thus, the motor 100 according to the utility model embodiment, by by excitation rotor portion 20 along motor 100 axial direction
With the interval setting of energized stator portion 10, energized stator portion 10 and excitation rotor portion 20 is in the both sides of air gap and does not interfere with each other has
Beneficial to the torque and power density that improve motor 100.And, the simple structure in reluctance rotor portion 30, reliability are modulated using magnetic resistance
Effect produces torque, the characteristics of with high torque density.In addition, by setting switching mechanism 50, it is possible to achieve motor 100 it is many
The switching of the state of kind, equivalent rotor number of pole-pairs of the motor 100 under different conditions and the electric frequency difference of work significantly, are not changing
Under the premise of the winding 12 of motor 100 is connected, the rotary speed working scope of motor 100 is widened.
When motor 100 is operated in low speed high torque interval, using equivalent number of pole-pairs running status higher, output torque
Greatly；When motor 100 is operated in high-speed cruising interval, using the less running status of equivalent number of pole-pairs, weak magnetic need not carried out
Naturally high speed operation demand is met in the state of control, and because working frequency reduction, efficiency is substantially improved.Therefore, the motor
100 optimum efficiency interval in the interval switching and high speed low torque interval between of low speed high torque, and can be not limited solely to
The high-efficiency operation near " torque-speed curve " flex point where conventional motors, realizes that the full operating range of motor 100 is efficient
Rate is run, and is very suitable for the occasion of load frequent change, such as electric automobile, washing machine, wind-power electricity generation.
Furthermore, the torque density of the motor 100 is far above Conventional permanent magnet motor, on the premise of the volume of same motor 100,
Bigger torque and power can be exported.Therefore, the characteristics of motor 100 has high torque density, while can be by difference
Between the switching of running status causes that motor 100 always works in high efficient area under different loads operating mode, it is adaptable to load behavior
The application scenario for often changing.
Switching mechanism 50 can be electromagnetic type or mechanical, its role is to switch motor rotary part composition form in
Between three kinds of running statuses, and then being in the running of motor 100 for change excitation rotor portion 20, reluctance rotor portion 30 can
Rotation status or the state of fixation.Specifically, under the first running status, energized stator portion 10 and excitation rotor portion 20 are fixed
It is motionless, serve as stator, reluctance rotor portion 30 is rotary part and is connected with output shaft 40, serves as rotor, under the first running status
The equivalent rotor number of poles of motor 100 is pr, the work electricity frequency of motor 100 is ωnpr, the ωnFor the machinery of machine shaft turns
Speed.Under second running status, energized stator portion 10 maintains static, and serves as stator, excitation rotor portion 20 and the phase of reluctance rotor portion 30
Continuous cropping is rotatable parts, is together rotated with rotating shaft, serves as rotor, and the equivalent rotor number of poles of motor is p under the second running statuss,
The work electricity frequency of motor 100 is ωnps.Under 3rd running status, energized stator portion 10 and reluctance rotor portion 30 maintain static,
Serve as stator, excitation rotor portion 20 is rotary part and is connected with output shaft 40, serve as motor under the running status of rotor the 3rd
Equivalent rotor number of poles is pf, the work electricity frequency of motor 100 is ωnpf.Equivalent rotor pole pair between three of the above running status
Number, and under identical rotating shaft rotating speed work electricity frequency ratio be ps:pr:pf。
When machine shaft rotating speed, i.e., when output mechanical separator speed is identical, equivalent turn between the above three kinds of running status
Sub- number of pole-pairs and the electric frequency ratio of work are ps:pr:pf, and then can realize becoming by the different running statuses of switch motor 100
Run pole.
When actually implementing, motor 100 can be comprising any two kinds in the above three kinds of running status or whole
Three kinds.
Specifically, switching mechanism 50 can be changeable between the first state and a second state, and output shaft 40 turns with magnetic resistance
Sub-portion 30 is fixedly connected, and does not have relative motion between output shaft 40 and reluctance rotor portion 30 now, and switching mechanism 50 is in first
Fixed excitation rotor portions 20 during state, reluctance rotor portion 30 serves as rotor and drives output shaft 40 to rotate.
As shown in figures 1 and 3, when switching mechanism 50 is located at first position, i.e., in first state, now switching mechanism
50 are connected with excitation rotor portion 20, maintain static excitation rotor portion 20, because energized stator portion 10 is used as the stator of motor 100
Housing stationary relative to motor 100 is motionless, so that the position in energized stator portion 10 and excitation rotor portion 20 is relatively fixed, i.e.,
In this case, when motor 100 works, energized stator portion 10 and excitation rotor portion 20 as motor 100 two stators, and magnetic
Rotor of the rotor portions 30 as motor 100 is hindered, output shaft 40 passes through the rotor installation passage in excitation rotor portion 20 and turns with excitation
Sub-portion 20 is spaced apart, and the middle part of output shaft 40 is fixedly connected with output torque with reluctance rotor portion 30.
Therefore, by setting switching mechanism 50, it is possible to achieve the switching of the various states of motor 100, motor 100 is in difference
The electric frequency difference of equivalent rotor number of pole-pairs and work under state is notable, under the premise of 12 connections for not changing the winding of motor 100,
The rotary speed working scope of motor 100 is widened.
Further, the relative position of fixed excitation rotor portions 20 and output shaft 40 when switching mechanism 50 is in the second state
Put, reluctance rotor portion 30 and excitation rotor portion 20 serve as rotor and drive output shaft 40 to rotate.
Reference picture 1 and Fig. 5, when switching mechanism 50 is located at the second place, i.e., in the second state, now switching mechanism 50
Excitation rotor portion 20 is connected with output shaft 40, the position of the two is relatively fixed, i.e., in this case, motor 100 work when,
Energized stator portion 10 as motor 100 stator, and excitation rotor portion 20 and reluctance rotor portion 30 turn as two of motor 100
Son, output shaft 40 is passed through the rotor installation passage in excitation rotor portion 20 and is connected with excitation rotor portion 20 by switching mechanism 50,
The middle part of output shaft 40 is fixedly connected with output torque with reluctance rotor portion 30.Thus, by setting switching mechanism 50, Ke Yishi
The switching of the various states of existing motor 100, equivalent rotor number of pole-pairs of the motor 100 under two states and the electric frequency difference of work
Significantly, under the premise of the winding 12 for not changing motor 100 is connected, widened the rotary speed working scope of motor 100.
In some specific embodiments of the present utility model, as shown in figs 1 to 6, switching mechanism 50 includes excitation rotor
Retainer ring 52, reluctance rotor retainer ring 53, lock ring 51 and synchronizer 54.
Specifically, excitation rotor retainer ring 52 is fixed with the relative position in excitation rotor portion 20, reluctance rotor retainer ring
53 fix with the relative position in reluctance rotor portion 30, and lock ring 51 is axially movable along motor 100, and switching mechanism 50 is in the
During one state, synchronizer 54 coordinates with energized stator retainer ring 51 and excitation rotor retainer ring 52 respectively and the locking of lock ring 51 is encouraged
Magnet rotor portion 20, switching mechanism 50 be in the second state when, synchronizer 54 respectively with excitation rotor retainer ring 52 and reluctance rotor
Retainer ring 53 coordinates and the release excitation rotor of lock ring 51 portion 20.
Motor 100 operationally, due to stator of the energized stator portion 10 as motor 100, the housing relative to motor 100
Transfixion, excitation rotor retainer ring 52 is fixedly linked with excitation rotor portion 20 and moved with excitation rotor portion 20.Magnetic resistance
Rotor retaining ring 53 is fixedly linked with reluctance rotor portion 30, motor 100 operationally, because reluctance rotor portion 30 is used as motor
100 rotor, the housing motion relative to motor 100, therefore reluctance rotor retainer ring 53 is with starting shipment in reluctance rotor portion 30 1
It is dynamic.Lock ring 51 can be with locking excitation rotor portion 20 (even if excitation rotor portion 20 according to the difference of the working condition of switching mechanism 50
Fixation does not rotate) or release excitation rotor portion 20 (releasing the locking to excitation rotor portion 20).Synchronizer 54 is by alternatively
Coordinate or depart from cooperation with excitation rotor retainer ring 52 and reluctance rotor retainer ring 53 and turned with choosing excitation rotor portion 20 and magnetic resistance
At least one of sub-portion 30 is served as can be relative to the rotor of the rotation of energized stator portion 10, and output shaft 40 is driven by the rotor and rotated.
Thus, by set can locking excitation rotor portion 20 lock ring 51, in excitation rotor portion 20 set excitation turn
Sub- retainer ring 52, sets reluctance rotor retainer ring 53 in reluctance rotor portion 30, is easy to coordinate with synchronizer 54, so as to realize electricity
Two kinds of switchings of working condition of machine 100, synchronizer 54 can be fixed as the movable part in switching mechanism 50 with excitation rotor
Ring 52 and reluctance rotor retainer ring 53 coordinate or depart from cooperation, so as to ensure the continuity and reliability of state switching.
Alternatively, excitation rotor retainer ring 52 is fixedly connected with excitation rotor portion 20, reluctance rotor retainer ring 53 with output
Axle 40 is fixedly connected.There is no relative motion between excitation rotor retainer ring 52 and excitation rotor portion 20 now, reluctance rotor is fixed
Also without relative motion between ring 53 and output shaft 40.For example, between excitation rotor retainer ring 52 and excitation rotor portion 20, magnetic resistance
Gear transmission structure, chain drive structure or V belt translation structure etc. can respectively be passed through between rotor retaining ring 53 and output shaft 40
Being relatively fixed for position is realized, so that beneficial to the switching of the two states for realizing switching mechanism 50, and then realize the two of motor 100
Plant the switching of working condition.
Preferably, latch is respectively equipped with synchronizer 54, excitation rotor retainer ring 52 and reluctance rotor retainer ring 53, is switched
When mechanism 50 is in first state, latch on synchronizer 54 respectively with reluctance rotor retainer ring 53 on latch and excitation rotor
Latch in retainer ring 52 is disengaged from, when switching mechanism 50 is in the second state, latch on synchronizer 54 respectively with excitation
Latch engagement on latch and reluctance rotor retainer ring 53 on rotor retaining ring 52.
Specifically, as shown in figure 1, excitation rotor retainer ring 52 is installed in excitation rotor portion 20 and excitation rotor portion 20
End is provided with latch, and output shaft 40 is fixedly linked with reluctance rotor portion 30, and the lateral wall of output shaft 40 is provided with reluctance rotor and fixes
Ring 53, and the side towards excitation rotor retainer ring 52 of reluctance rotor retainer ring 53 also is provided with latch, and reluctance rotor portion
In motor 100 radially just to arrangement, synchronizer 54 is located at encourages the latch on latch and excitation rotor retainer ring 52 on 30
Between magnet rotor retainer ring 52 and reluctance rotor retainer ring 53, and synchronizer 54 turns towards excitation rotor retainer ring 52 and magnetic resistance
Sub- retainer ring 53 be respectively provided on two sides with the latch in energized stator retainer ring 51, the latch in excitation rotor retainer ring 52 with
And the latch that the latch in reluctance rotor retainer ring 53 coordinates.
As shown in Figure 3 and Figure 4, in this case, the latch on synchronizer 54 respectively with reluctance rotor retainer ring 53 on
Latch on latch and excitation rotor retainer ring 52 is disengaged from, and by the locking excitation rotor portion 20 of lock ring 51, makes excitation
The position in rotor portions 20 and energized stator portion 10 is relatively fixed, and now energized stator portion 10, excitation rotor portion 20 are as motor
100 stator, and reluctance rotor portion 30 is used as the rotor of motor 100.
As shown in Figure 5 and Figure 6, in this case, the latch on synchronizer 54 respectively with excitation rotor retainer ring 52 on
Latch engagement on latch and reluctance rotor retainer ring 53, the release excitation rotor of lock ring 51 portion 20, makes excitation rotor retainer ring
52 and the position of reluctance rotor retainer ring 53 be relatively fixed, even if output shaft 40, reluctance rotor portion 30, the position in excitation rotor portion 20
Put and be relatively fixed, now energized stator portion 10 is as the stator of motor 100, and reluctance rotor portion 30, excitation rotor portion 20 make
It is the rotor of motor 100.
When motor 100 is operated in low speed high torque interval, using equivalent number of pole-pairs running status higher, output torque
Greatly；When motor 100 is operated in high-speed cruising interval, using the less running status of equivalent number of pole-pairs, weak magnetic need not carried out
Naturally high speed operation demand is met in the state of control, and because working frequency reduction, efficiency is substantially improved.Therefore, the motor
100 optimum efficiency interval in the interval switching and high speed low torque interval between of low speed high torque, and can be not limited solely to
The high-efficiency operation near " torque-speed curve " flex point where conventional motors, realizes that the full operating range of motor 100 is efficient
Rate is run, and is very suitable for the occasion of load frequent change, such as electric automobile, washing machine, wind-power electricity generation.
Advantageously, as shown in Figure 4 and Figure 6, the latch on synchronizer 54 is distributed in the outer peripheral face and inner peripheral surface of synchronizer 54
On, the latch in excitation rotor retainer ring 52 is distributed on the inner peripheral surface of excitation rotor retainer ring 52, reluctance rotor retainer ring 53
On latch be distributed on the outer peripheral face of reluctance rotor retainer ring 53.
In other words, synchronizer 54, lock ring 51, excitation rotor retainer ring 52 and reluctance rotor retainer ring 53 can distinguish shape
Into the loop configuration of the circumferentially extending along motor 100, and four loop configuration are coaxially arranged, wherein, reluctance rotor retainer ring 53
It is enclosed within the output shaft 40 of motor 100 and is fixedly linked with output shaft 40 outward, the lateral wall of reluctance rotor retainer ring 53 is provided with many
It is individual along its latch circumferentially, be enclosed within reluctance rotor retainer ring 53 and excitation rotor retainer ring outside excitation rotor retainer ring 52
52 madial wall is arranged spaced apart with the lateral wall of reluctance rotor retainer ring 53.
Synchronizer 54 is set on the output shaft 40 of motor 100 and is fixed positioned at excitation rotor retainer ring 52 and reluctance rotor
Between ring 53, the lateral wall of wherein synchronizer 54 be provided with multiple along it circumferentially and with the latch of excitation rotor retainer ring 52
The latch of cooperation, the madial wall of synchronizer 54 is provided with multiple and circumferentially and with the latch in reluctance rotor retainer ring 53 matches somebody with somebody along it
The latch of conjunction；Lock ring 51 is set on the output shaft 40 of motor 100 and positioned at excitation rotor portion 20 away from energized stator portion
10 side (left side in such as Fig. 3), fits with locking excitation rotor portion 20 in order to the side with excitation rotor portion 20, plays
Brake function.
Specifically, as shown in figures 1 and 3, when switching mechanism 50 is located at first position, i.e., in first state, now
Switching mechanism 50 is connected with excitation rotor portion 20 respectively, maintains static excitation rotor portion 20, due to the conduct of energized stator portion 10
The stator of motor 100 is motionless relative to the housing stationary of motor 100, so that the position in energized stator portion 10 and excitation rotor portion 20
Put and be relatively fixed, i.e., in this case, motor 100 is when working, and energized stator portion 10 and excitation rotor portion 20 are used as motor 100
Two stators, and reluctance rotor portion 30 is used as the rotor of motor 100, output shaft 40 installs logical through the rotor in excitation rotor portion 20
Road and it is spaced apart with excitation rotor portion 20, the middle part of output shaft 40 is fixedly connected with output torque with reluctance rotor portion 30.Thus,
By setting switching mechanism 50, it is possible to achieve the switching of the various states of motor 100, motor 100 is equivalent under different conditions
The electric frequency difference of rotor number of pole-pairs and work significantly, under the premise of the winding 12 for not changing motor 100 is connected, has widened motor in fact
100 rotary speed working scope.
When motor 100 is operated in low speed high torque interval, using equivalent number of pole-pairs running status higher, output torque
Greatly；When motor 100 is operated in high-speed cruising interval, using the less running status of equivalent number of pole-pairs, weak magnetic need not carried out
Naturally high speed operation demand is met in the state of control, and because working frequency reduction, efficiency is substantially improved.Therefore, the motor
100 optimum efficiency interval in the interval switching and high speed low torque interval between of low speed high torque, and can be not limited solely to
The high-efficiency operation near " torque-speed curve " flex point where conventional motors, realizes that the full operating range of motor 100 is efficient
Rate is run, and is very suitable for the occasion of load frequent change, such as electric automobile, washing machine, wind-power electricity generation.
Wherein, one end away from energized stator portion 10 of output shaft 40 constitutes axle stretch end, and switching mechanism 50 is adjacent to output shaft
40 axle stretch end is set.The reluctance rotor retainer ring 53 of switching mechanism 50 is so facilitated to be fixedly connected with output shaft 40, so that real
Existing reluctance rotor retainer ring 53 is fixedly connected with reluctance rotor portion 30, and then realizes switching mechanism 50 by the He of reluctance rotor portion 30
The purpose that the position in excitation rotor portion 20 is fixed, allows motor 100 to switch between two working conditions, easy to operate.
Alternatively, reluctance rotor portion 30 along motor 100 axial direction and energized stator portion 10 and excitation rotor portion 20 is relative sets
Put.As shown in Figure 3 and Figure 5, reluctance rotor portion 30 is located between energized stator portion 10 and excitation rotor portion 20, and and energized stator
Portion 10 and excitation rotor portion 20 are in the lateral direction just to arrangement.Thus, by reluctance rotor portion 30 in the axial direction of motor 100
Upper and energized stator portion 10 and excitation rotor portion 20 are positioned opposite, make the structure of motor 100 compacter, lift torque density.
Thus, by reluctance rotor portion 30 is along axial direction and the energized stator portion 10 of motor 100 and excitation rotor portion 20 is relative sets
Put, be conducive to reducing the axial length of motor 100, and air gap therebetween make energized stator portion 10 and excitation rotor portion 20 it
Between it is non-interference, be conducive to improve motor 100 torque and power density so that the performance of lifting motor 100.
Preferably, in the central axis in energized stator portion 10, the central axis in excitation rotor portion 20, reluctance rotor portion 30
The central axis of heart axis and output shaft 40 coincides with one another.In other words, energized stator portion 10 is formed along the axially extending of motor 100
Loop configuration, excitation rotor portion 20 formed along the axially extending loop configuration of motor 100, and reluctance rotor portion 30 is formed along electricity
The axially extending loop configuration of machine 100, wherein, energized stator portion 10 and excitation rotor portion 20 along motor 100 axially spaced-apart
The central axis in setting and energized stator portion 10 and the central axes in excitation rotor portion 20, reluctance rotor portion 30 is located at excitation
Between stator department 10 and excitation rotor portion 20, and (such as scheme along the axial direction of motor 100 with energized stator portion 10 and excitation rotor portion 20
Left and right directions shown in 3) arranged spaced apart, the central axis in energized stator portion 10 and the central axis weight in reluctance rotor portion 30
Close.It is this kind of simple structure of the motor of form 100, compact, torque is produced using magnetic resistance mudulation effect, with high torque density
Feature.
Wherein, according to one embodiment of the present utility model, energized stator portion 10 includes winding iron core 11 and winding 12, around
Group 12 is wound on winding iron core 11.Compared with the motor in correlation technique, structure is simpler, compact.
Alternatively, winding iron core 11 includes substrate 111 and multiple tooth blocks 112, and multiple tooth blocks 112 are located at the court of substrate 111
To on the surface in reluctance rotor portion 30 and along the circumferential spaced set of motor 100, winding 12 is wound on multiple tooth blocks 112.
Referring to Figures 1 and 2, winding iron core 11 is main is made up of substrate 111 and multiple tooth blocks 112, wherein, winding iron core 11
Substrate 111 form annular plate, such as annular plate, the middle part of substrate 111 is formed along the stator of its thickness direction insertion
Installation passage, multiple tooth blocks 112 open arrangement along the circumferentially-spaced of substrate 111, and are located at same side surface (such as Fig. 1 of substrate 111
Shown left-hand face) on, limit teeth groove, i.e. teeth groove in the circumference of multiple tooth blocks 112, between two neighboring tooth block 112
Quantity it is equal with the quantity of tooth block 112, the coil of the winding 12 in energized stator portion 10 is wound on multiple tooth blocks 112 respectively,
So as to form energized stator portion 10.The simple structure of the winding iron core 11, processing, it is easy to manufacture, and winding 12 in coiling more
Plus it is convenient, easily realize, be conducive to improving the production efficiency of motor 100.
Preferably, multiple tooth blocks 112 are evenly distributed on substrate 111 along the circumference of motor 100.In other words, multiple tooth blocks
112 is uniform, arranged spaced apart along the circumference of motor 100, center line the radially extending along motor 100 of each tooth block 112, and tooth
The center line of block 112 is the axis of symmetry, and the central angle of the center line of two neighboring tooth block 112 is equal, i.e., two neighboring teeth groove
The central angle of center line is equal.
Thus, because tooth block 112 is used as the supporting construction of the coil of winding 12, by multiple tooth blocks 112 along motor 100 week
To being evenly arranged on substrate 111, processing, easy to manufacture, the coil for being advantageously implemented winding 12 is evenly arranged, so that encouraging
The magnetic field that magnetic stator department 10 is produced is more uniform, the performance of lifting motor 100.
Advantageously, multiple tooth blocks 112 and substrate 111 are integrally formed, and it is simple, convenient that integrally formed structure is not only molded,
Make structure compacter, stable, and unnecessary connector can be saved, reduce number of components, so that production cost is reduced, then
Person, also advantageously improves the production efficiency of motor 100.
Wherein, according to one embodiment of the present utility model, excitation rotor portion 20 includes permanent magnetism iron core 21 and multiple permanent magnetism
Body 22, multiple permanent magnets 22 are located at circumference on the surface towards reluctance rotor portion 30 of permanent magnetism iron core 21 and along motor 100 etc.
Spacing is set.
That is, excitation rotor portion 20 is main being made up of permanent magnetism iron core 21 and multiple permanent magnets 22, the shape of permanent magnetism iron core 21
Into the annular plate of the circumferentially extending along motor 100, the middle part of permanent magnetism iron core 21 has along the axially extending rotor of motor 100
Installation passage, output shaft 40 is fixedly connected to export through rotor installation passage with reluctance rotor portion 30 or excitation rotor portion 20
Torque, multiple permanent magnets 22 open arrangement along the circumferentially-spaced of permanent magnetism iron core 21, and positioned at permanent magnetism iron core 21 same side surface (such as
Right lateral surface shown in Fig. 3) on.The simple structure in the excitation rotor portion 20, permanent magnetism iron core 21 and multiple sides of assembling of permanent magnet 22
Just, excitation rotor portion 20 and energized stator portion 10 are arranged in the same side in reluctance rotor portion 30, the two is located at the same of air gap
Side and do not interfere with each other, be conducive to improving torque and the power density of motor 100.
Preferably, multiple permanent magnets 22 are evenly distributed on permanent magnetism iron core 21 along the circumference of motor 100.In other words, it is multiple
Permanent magnet 22 is uniform, arranged spaced apart along the circumference of motor 100, and the center line of each permanent magnet 22 prolongs along the radial direction of motor 100
Stretch, and the center line of permanent magnet 22 is the axis of symmetry, the central angle of the center line of two adjacent permanent magnets 22 is equal, it is ensured that
Excitation rotor portion 20 produces uniform magnetic field, so that the performance of lifting motor 100.
Further, reluctance rotor portion 30 includes non-magnetic fixed plate 31 and multiple magnetic conduction magnetic resistance blocks 32, non-magnetic fixation
Be formed with plate 31 along motor 100 circumferential spaced set and along motor 100 axially through multiple mounting holes 311, it is many
Individual magnetic conduction magnetic resistance block 32 is respectively provided in multiple mounting holes 311.
Specifically, as shown in figure 1, reluctance rotor portion 30 is mainly by non-magnetic fixed plate 31 and multiple 32 groups of magnetic conduction magnetic resistance blocks
Into non-magnetic fixed plate 31 is formed along the plate for radially extending of motor 100, such as circular plate, multiple magnetic conduction magnetic resistance blocks 32
Circumferentially-spaced along non-magnetic fixed plate 31 opens arrangement, each radially extending along motor 100 of magnetic conduction magnetic resistance block 32, and the magnetic resistance turns
It is the simple structure of sub-portion 30, compact, torque is produced using magnetic resistance mudulation effect, the characteristics of with high torque density, so as to be lifted
The performance of motor 100.
Alternatively, multiple magnetic conduction magnetic resistance blocks 32 are evenly distributed in non-magnetic fixed plate 31 along the circumference of motor 100.Also
It is to say, multiple magnetic conduction magnetic resistance blocks 32 are uniform, arranged spaced apart along the circumference of motor 100, the center line of each magnetic conduction magnetic resistance block 32
Along radially extending for motor 100, and the center line of each magnetic conduction magnetic resistance block 32 is the axis of symmetry, two neighboring magnetic conduction magnetic resistance block 32
Center line central angle it is equal, be conducive to producing uniform magnetic field, so as to improve the performance of motor 100, lifting motor 100
Quality.
Advantageously, according to one embodiment of the present utility model, magnetic conduction magnetic resistance block 32 is determined along the axial direction of motor 100 with excitation
The gap of sub-portion 10 and excitation rotor portion 20 in the axial direction of motor 100 is oppositely arranged.
Reference picture 3 and Fig. 5, motor 100 are main by energized stator portion 10, excitation rotor portion 20, reluctance rotor portion 30 and defeated
Shaft 40 is constituted, wherein, energized stator portion 10 includes winding iron core 11 and winding 12, and winding iron core 11 includes substrate 111, multiple
Tooth block 112, substrate 111 is formed along the annular plate for radially extending of motor 100, and multiple tooth blocks 112 are located at the direction of substrate 111
On the surface (left-hand face as shown in Figure 3) in reluctance rotor portion 30 and along the circumferentially-spaced arrangement of motor 100, the coiling of winding 12
On multiple tooth blocks 112；Excitation rotor portion 20 includes permanent magnetism iron core 21 and multiple permanent magnets 22, and permanent magnetism iron core 21 is formed along motor
100 loop configuration for radially extending, and permanent magnetism iron core 21 is located at the side of the substrate 111 of winding iron core 11, multiple permanent magnets
22 are located on the surface (right lateral surface as shown in Figure 3) towards reluctance rotor portion 30 of permanent magnetism iron core 21 and along motor 100
It is provided at circumferentially spaced.
Further, reluctance rotor portion 30 includes non-magnetic fixed plate 31 and multiple magnetic conduction magnetic resistance blocks 32, non-magnetic fixation
Plate 31 is formed along the circular plate for radially extending of motor 100, is formed with non-magnetic fixed plate 31 and is passed through along the axial direction of motor 100
Logical multiple mounting holes 311, multiple mounting holes 311 along motor 100 circumferentially-spaced arrangement, multiple magnetic conduction magnetic resistance blocks 32 pacify respectively
In multiple mounting holes 311, the both side surface of multiple magnetic conduction magnetic resistance blocks 32 respectively with winding energized stator portion 10, permanent magnet excitation
Rotor portions 20 are spaced apart and just to arrangement.
Thus, by reluctance rotor portion 30 is along axial direction and the energized stator portion 10 of motor 100 and excitation rotor portion 20 is relative sets
Put, be conducive to reducing the axial length of motor 100, and air gap therebetween make energized stator portion 10 and excitation rotor portion 20 it
Between it is non-interference, be conducive to improve motor 100 torque and power density so that the performance of lifting motor 100.
Additionally, according to one embodiment of the present utility model, the rotation that energized stator portion 10 is driven by alternating current and produced
The number of pole-pairs for turning magnetic field is ps, the number of pole-pairs of the excitation field that excitation rotor portion 20 produces is pf, the quantity of magnetic conduction magnetic resistance block 32 is
pr, wherein, pr=| ps±pf|。
For example, the number of tooth block 112 is 12 in the present embodiment, winding 12 is three-phase symmetric winding, when injection three-phase symmetrical
It is p that rotating excitation field number of pole-pairs is produced during electric currents=4.Excitation rotor portion 20 is made up of permanent magnetism iron core 21 and permanent magnet 22, permanent magnet
Core 21 is made up of high-permeability material, and permanent magnet 22 uses axial charging, circumferentially uniformly installed in excitation rotor portion 20
On permanent magnetism iron core 21, and alternating polarity is arranged, axial homonymy is in winding 12, produces number of pole-pairs pf=6 permanent magnetic field, encourages
Magnet rotor portion 20 and the coaxial line of energized stator portion 10, and motor 100 radially, in inner side, both keep close axle
To position.It is non-magnetic solid that the magnetic conduction magnetic resistance block 32 and non-magnet material that reluctance rotor portion 30 is made up of high-permeability material are constituted
Fixed board 31 is constituted, and multiple magnetic conduction magnetic resistance blocks 32 are circumferentially uniformly arranged in non-magnetic fixed plate 31, with energized stator portion 10
Relative with the air gap that excitation rotor portion 20 is spaced fixation, the quantity of magnetic conduction magnetic resistance block 32 is pr=10, meet preferred formula, magnetic resistance
Rotor portions 30 are joined directly together with output shaft 40 and connect.
Here, it is necessary to explanation, the winding iron core 11 in energized stator portion 10, the permanent magnetism iron core 21 in excitation rotor portion 20,
High permeability material used by the magnetic conduction magnetic resistance block 32 in reluctance rotor portion 30 can be closed by including but not limited to silicon steel sheet, cobalt steels piece, perm
The high permeability materials such as gold, SMC are constituted；The permanent magnet 22 in the above excitation rotor portion 20 can by including but not limited to neodymium iron boron,
The permanent-magnet materials such as ferrite, aluminium nickel cobalt, SmCo are constituted, and are magnetic resistance between the two neighboring mounting hole 311 of non-magnetic fixed plate 31
Spacer block, non-magnet material used by magnetic resistance spacer block can be by including but not limited to air, plastics, high molecular polymer, non-magnetic
Metal etc. is constituted, and magnetic resistance spacer block is arranged with the alternate intervals of magnetic conduction magnetic resistance block 32；The winding 12 in energized stator portion 10 can be single
Phase or polyphase windings, can be fractional-slot or integer groove winding；It can be interior that the permanent magnet 22 in excitation rotor portion 20 lays form
Put formula or surface-mount type, can be made up of single or multiple lift permanent magnet 22, the magnetizing direction of permanent magnet 22 can for it is parallel, radially, it is inverse
Radially etc.；Switching mechanism 50 can be electromagnetic type or mechanical.
The motor 100 possesses high torque density feature, and rotor number of poles and running frequency can controlled conversions, and motor 100
Winding 12 fully combines the high-efficiency operation of pole-changing motor 100 during number of poles changes without any change, the motor 100
Interval is the characteristics of adjust on a large scale, is the characteristics of possess high torque (HT), high power density, it is adaptable to from household electrical appliance, electric automobile,
Wind-power electricity generation etc. is extensively using occasion.
The motor 100 of the utility model embodiment is described in detail with reference to specific embodiment.
As shown in Figure 1, Figure 2 and Figure 3, the motor 100 of the utility model embodiment is made up of three major parts, i.e. excitation
Stator department 10, excitation rotor portion 20, reluctance rotor portion 30, the He of winding iron core 11 that energized stator portion 10 is made up of high permeability material
Coiling winding 12 thereon is constituted, the He of substrate 111 that the winding iron core 11 in energized stator portion 10 is made up of high-permeability material
Equally distributed tooth block 112 is constituted thereon, and the number of tooth block 112 is 12 in the present embodiment, and winding 12 is three-phase symmetric winding, when
It is p that rotating excitation field number of pole-pairs is produced during injection three-phase symmetrical electric currents=4.Excitation rotor portion 20 is by permanent magnetism iron core 21 and permanent magnet
22 are constituted, and permanent magnetism iron core 21 is made up of high-permeability material, and permanent magnet 22 uses axial charging, and circumferentially uniform being arranged on is encouraged
On the permanent magnetism iron core 21 in magnet rotor portion 20, and alternating polarity is arranged, axial homonymy is in winding 12, produces number of pole-pairs pf=6
Permanent magnetic field, excitation rotor portion 20 and the coaxial line of energized stator portion 10, and interval setting, both keep close axial position
Put.The magnetic conduction magnetic resistance block 32 that reluctance rotor portion 30 is made up of high-permeability material and the non-magnetic fixed plate that non-magnet material is constituted
31 are constituted, and multiple magnetic conduction magnetic resistance blocks 32 are circumferentially uniformly arranged in non-magnetic fixed plate 31, and energized stator portion 10 and are encouraged
The air gap that magnet rotor portion 20 is spaced fixation is relative, and the quantity of magnetic conduction magnetic resistance block 32 is pr=10, meet preferred formula, reluctance rotor
Portion 30 is joined directly together with output shaft 40 and connects.
In the present embodiment, switching mechanism 50 is located at shaft extension side, and switching mechanism 50 is made up of locking and switching two parts, cuts
Converting mechanism 50 includes reluctance rotor retainer ring 53, synchronizer 54, lock ring 51, excitation rotor retainer ring 52.Reluctance rotor is fixed
Ring 53 has the gear ring of latch for radial outside, is joined directly together with output shaft 40 and connect, and synchronizer 54 is that radially inner side and outside have
The gear ring of latch, excitation rotor retainer ring 52 is for radially inner side has the gear ring of latch and is fixed on permanent magnetism iron core 21, lock ring
51 are suitable for locking excitation rotor portion 20 along the axially movable of motor 100.
Fig. 3 and Fig. 4 is schematic diagram of the motor 100 of the present embodiment under the first running status, and lock ring 51 moves to figure
Show position, locking is carried out to excitation rotor portion 20, in this case, excitation rotor portion 20 and energized stator portion 10 fix and do not revolve
Turn, reluctance rotor portion 30 drives output shaft 40 to rotate, the equivalent operation number of pole-pairs of motor 100 is pr=10, motor 100 exists
Running frequency under 600rpm is 100Hz.
Fig. 5 and Fig. 6 is schematic diagram of the motor 100 of the present embodiment under the second running status, and synchronizer 54 moves to figure
Show position, engagement reluctance rotor retainer ring 53 and excitation rotor retainer ring 52, lock ring 51 moves to shown position, releases to encouraging
The locking in magnet rotor portion 20, in this case, energized stator portion 10 fixes and does not rotate, excitation rotor portion 20 and reluctance rotor portion 30
Relative to keep fixing, synchronous to drive output shaft 40 to rotate, the equivalent operation number of pole-pairs of motor 100 is ps=4, motor 100 exists
Running frequency under 600rpm is only 40Hz.And the motor 100 of the present embodiment is equivalent extremely right under first, second running status
The ratio of number and running frequency is 5:2.
Therefore, the motor 100 possesses high torque density feature, and rotor number of poles and running frequency can controlled conversions, and motor
100 winding 12 fully combines the high efficiency of pole-changing motor during number of poles changes without any change, the motor 100
The characteristics of traffic coverage is adjusted on a large scale, be the characteristics of possess high torque (HT), high power density, it is adaptable to from household electrical appliance, electronic
Automobile, wind-power electricity generation etc. are extensively using occasion.
Other compositions of motor 100 according to the utility model embodiment and operation are for those of ordinary skill in the art
For be all known, be not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example are described
Structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual, to above-mentioned art
The schematic representation of language is not necessarily referring to identical embodiment or example.And, the specific features of description, structure, material or
Person's feature can in an appropriate manner be combined in one or more any embodiments or example.
While there has been shown and described that embodiment of the present utility model, it will be understood by those skilled in the art that：
In the case where principle of the present utility model and objective is not departed from various changes, modification, replacement can be carried out to these embodiments
And modification, scope of the present utility model limits by claim and its equivalent.
Claims (15)
1. a kind of motor, it is characterised in that including：
Energized stator portion；
Excitation rotor portion, axial direction and energized stator portion interval setting of the excitation rotor portion along the motor；
Reluctance rotor portion, the reluctance rotor portion is axially disposed at the energized stator portion and the excitation rotor along the motor
Between portion；
Switching mechanism, the switching mechanism is by alternatively fixing the energized stator portion, the excitation rotor portion and the magnetic
The relative position for hindering two in rotor portions is filled with choosing at least one of the excitation rotor portion and the reluctance rotor portion
When the rotor that can be rotated relative to the energized stator portion；
Output shaft, the output shaft is driven by the rotor and rotated.
2. motor according to claim 1, it is characterised in that the switching mechanism is between the first state and a second state
Changeable, the output shaft is fixedly connected with the reluctance rotor portion,
The switching mechanism fixes the excitation rotor portion when being in the first state, and rotor banding is served as in the reluctance rotor portion
The dynamic output shaft rotation,
The switching mechanism fixes the relative position in the excitation rotor portion and the output shaft, institute when being in second state
Reluctance rotor portion and the excitation rotor portion is stated to serve as rotor and drive the output shaft rotation.
3. motor according to claim 2, it is characterised in that the switching mechanism includes：
Excitation rotor retainer ring, the excitation rotor retainer ring is fixed with the relative position in the excitation rotor portion；
Reluctance rotor retainer ring, the reluctance rotor retainer ring is fixed with the relative position in the reluctance rotor portion；
Lock ring, the lock ring is axially movable along the motor；
Synchronizer, when the switching mechanism is in the first state, the synchronizer and the excitation rotor retainer ring and institute
State reluctance rotor retainer ring and depart from cooperation and excitation rotor portion described in the lock ring locking,
The switching mechanism be in second state when, the synchronizer respectively with the excitation rotor retainer ring and the magnetic
Resistance rotor retaining ring coordinates and the lock ring discharges the excitation rotor portion.
4. motor according to claim 3, it is characterised in that the excitation rotor retainer ring is solid with the excitation rotor portion
Fixed connection, the reluctance rotor retainer ring is fixedly connected with the output shaft.
5. motor according to claim 3, it is characterised in that the synchronizer, the excitation rotor retainer ring and described
Latch is respectively equipped with reluctance rotor retainer ring,
When the switching mechanism is in the first state, latch on the synchronizer respectively with the excitation rotor retainer ring
On latch and the reluctance rotor retainer ring on latch be disengaged from,
When the switching mechanism is in second state, latch on the synchronizer respectively with the excitation rotor retainer ring
On latch and the reluctance rotor retainer ring on latch engagement.
6. motor according to claim 5, it is characterised in that the latch on the synchronizer is distributed in the synchronizer
On outer peripheral face and inner peripheral surface, the latch in the excitation rotor retainer ring is distributed in the inner peripheral surface of the excitation rotor retainer ring
On, the latch in the reluctance rotor retainer ring is distributed on the outer peripheral face of the reluctance rotor retainer ring.
7. motor according to claim 1, it is characterised in that one end away from the energized stator portion of the output shaft
Axle stretch end is constituted, the switching mechanism is set adjacent to the axle stretch end of the output shaft.
8. motor according to claim 1, it is characterised in that the reluctance rotor portion along the motor axial direction with it is described
Energized stator portion and the excitation rotor portion are oppositely arranged.
9. motor according to claim 1, it is characterised in that the central axis in the energized stator portion, the excitation turn
The central axis of the central axis of sub-portion, the central axis in the reluctance rotor portion and the output shaft coincides with one another.
10. the motor according to any one of claim 1-9, it is characterised in that the energized stator portion includes：
Winding iron core；
Winding, the winding technique is on the winding iron core.
11. motors according to claim 10, it is characterised in that the winding iron core includes：
Substrate；
Multiple tooth blocks, multiple tooth blocks are located on the surface in the direction of the substrate reluctance rotor portion and along the motor
Circumferential spaced set, the winding technique is on multiple tooth blocks.
12. motor according to any one of claim 1-9, it is characterised in that the excitation rotor portion includes：
Permanent magnetism iron core；
Multiple permanent magnets, multiple permanent magnets are located on the surface towards reluctance rotor portion of the permanent magnetism iron core and along described
The circumferential spaced set of motor.
13. motor according to any one of claim 1-9, it is characterised in that the reluctance rotor portion includes：
Non-magnetic fixed plate, is formed with circumferential spaced set along the motor and along the electricity in the non-magnetic fixed plate
Machine axially through multiple mounting holes；
Multiple magnetic conduction magnetic resistance blocks, multiple magnetic conduction magnetic resistance blocks are respectively provided in multiple mounting holes.
14. motors according to claim 13, it is characterised in that axial direction and institute of the magnetic conduction magnetic resistance block along the motor
The gap of energized stator portion and the excitation rotor portion in the axial direction of the motor is stated to be oppositely arranged.
15. motors according to claim 13, it is characterised in that the energized stator portion is driven and produced by alternating current
Rotating excitation field number of pole-pairs be ps, the number of pole-pairs of the excitation field that the excitation rotor portion produces is pf, the magnetic conduction magnetic resistance block
Quantity be pr, wherein, pr=| ps±pf|。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295787.XU CN206237278U (en) | 2016-11-25 | 2016-11-25 | Motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621295787.XU CN206237278U (en) | 2016-11-25 | 2016-11-25 | Motor |
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| Publication Number | Publication Date |
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| CN206237278U true CN206237278U (en) | 2017-06-09 |
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ID=58980223
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327120A (en) * | 2018-12-11 | 2019-02-12 | 湖南崇德工业科技有限公司 | Permanent magnetic iron block adhesive tool |
-
2016
- 2016-11-25 CN CN201621295787.XU patent/CN206237278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109327120A (en) * | 2018-12-11 | 2019-02-12 | 湖南崇德工业科技有限公司 | Permanent magnetic iron block adhesive tool |
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