CN102857050A - Method for controlling external rotor electric machine to change outout parameter and external rotor electric machine - Google Patents
Method for controlling external rotor electric machine to change outout parameter and external rotor electric machine Download PDFInfo
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- CN102857050A CN102857050A CN2012102218670A CN201210221867A CN102857050A CN 102857050 A CN102857050 A CN 102857050A CN 2012102218670 A CN2012102218670 A CN 2012102218670A CN 201210221867 A CN201210221867 A CN 201210221867A CN 102857050 A CN102857050 A CN 102857050A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The present invention puts forward a method for controlling an external rotor electric machine to change an output parameter and an external rotor electric machine. The external rotor electric machine is provided with two external rotor electric machine units therein, a mechanical one-way clutch or an electromagnetic clutch is utilized to realize that a second rotor is controlled to connect or disconnect a first rotor. The second rotor is controlled to connect or disconnect the first rotor according to service condition and operating characteristic requirements, so as to obtain the most suitable dynamic characteristics and regenerative braking characteristics, thus the high-output ultrathin external rotor electric machine is obtained with a low cost, and the output parameters of the electric motor have a large variation range, thereby overcoming the vicious cycle between a high cost and a low yield of the special external rotor electric machine in the prior art.
Description
Technical field
The present invention relates to be applicable to the motor of passenger car, transportation machine, industry machine, household appliances etc., particularly relate to rotor at the peripheral external rotor electric machine that rotates of stator that is fixed and installs.
Background technology
In recent years, in electricity energy driven vehicle, perhaps there is electric energy to provide that large multiplex external rotor electric machine uses as wheel hub motor in the hybrid drive vehicle, because being used for vehicle traction, outer rotor hub motor is in development, also do not form unified standard, prior art is that the external rotor electric machine that every money vehicle design is used all is tailored version, can not be suitable for all vehicles and use.
Because described tailored version external rotor electric machine is according to its concrete purposes design, although reach parameter designing rationally and the good effect of electric efficiency, but need to design and develop according to the different purposes of motor the external rotor electric machine of many moneys type, the production quantity of every money external rotor electric machine is little, production cost is high, because tailored version external rotor electric machine usable condition is limited, demand to the tailored version external rotor electric machine is just little, this external rotor electric machine can not be produced in a large number, be unfavorable for popularizing of external rotor electric machine, and external rotor electric machine can not be popularized its production cost is improved, thereby forms the high vicious circle that can't popularize with the tailored version external rotor electric machine of motor cost.And the output parameter of prior art external rotor electric machine is immutable or excursion is little, and when running into external rotor electric machine and need the situation of Accelerating running or regenerative braking operation, described external rotor electric machine can not adapt to this kind situation well.
Summary of the invention
The technical problem to be solved in the present invention is to avoid the deficiencies in the prior art part and proposes to make method and the external rotor electric machine that external rotor electric machine can controlled conversion output parameter, two external rotor electric machine unit are set in external rotor electric machine, the second rotor controllably connects or disconnects the first rotor, control the connection of the second rotor or disconnect the first rotor according to behaviour in service and operation characteristic demand, obtain optimal dynamic characteristics and regenerative braking characteristic.
The present invention solve the technical problem can be by realizing by the following technical solutions:
Design, make a kind of external rotor electric machine that can controlled conversion output parameter, especially, comprise the first external rotor electric machine unit and the second external rotor electric machine unit.Described the first external rotor electric machine unit comprises that the first stator of being fixedly mounted on the fixture is at the first rotor of this first stator periphery rotation.Described the second external rotor electric machine unit comprises the second stator that is fixedly mounted on the described fixture, at the second rotor of this second stator periphery rotation.The second rotor controllably connects or disconnects the first rotor.When the first rotor connected the second rotor, described the second rotor rotated with the first rotor.When the first rotor disconnected the second rotor, the first rotor and the second rotor can be distinguished separately rotation.
Particularly, described the first rotor and the second rotor coaxial line arrange, and described bitrochanteric diameter is greater than the diameter of the first rotor, thereby the second rotor is in the periphery rotation of the first rotor.
A kind of scheme of input and output torque, described external rotor electric machine also comprises the driving shaft that is fixedly connected with described the first rotor.Described driving shaft is chimeric by spline, taper embeds, be pressed into at least a fixed form during bolt is connected and connect described the first rotor.
The scheme of another kind of input and output torque, described external rotor electric machine also comprise along described the first rotor axis and are connected to fixed axis on the fixture.Be processed with along the described the first rotor of the first rotor axis direction and run through through hole, described the first rotor connects described fixed axis rotationally by being pressed into the bearing that runs through through hole, thereby by the output of the first rotor axial end or input torque.
Particularly, described bitrochanteric periphery controllably connects or disconnects the periphery of described the first rotor by the mechanical type one-way clutch.
Can also be, described bitrochanteric periphery controllably connects or disconnects the periphery of described the first rotor by electromagnetic clutch.
Described external rotor electric machine is used as the drive motors of vehicle, under common speed working order, only moves in the first external rotor electric machine unit and the second external rotor electric machine unit.Only in the situation that needs accelerate and regenerative braking, the first rotor is connected the second rotor, the first external rotor electric machine unit and the second external rotor electric machine unit coordinated operation.
Further, described external rotor electric machine is used as the drive motors of vehicle, under common speed working order, only moves the first external rotor electric machine unit.Only in the situation that needs accelerate and regenerative braking, the first rotor is connected the second rotor, make the second external rotor electric machine unit and the first external rotor electric machine unit coordinated operation.
Described the first stator and the second stator flexibly are fixedly mounted on the fixture by elastic element separately.
The scheme that a kind of elasticity connects, described the first stator and the second stator are fixedly mounted on the fixture by the bolted mode, and described elastic element is the elastomeric pad made from rubber or resin composition.This elastomeric pad is arranged between the first stator and the fixture, and is arranged between the second stator and the fixture, thereby makes the first stator and the second stator can stressed fine motion by elastomeric pad.
The scheme that another kind of elasticity connects, described elastic element is mounted between the first stator and the fixture, and is installed in the torque arm between the second stator and the fixture, thereby makes the first stator and the second stator can stressed fine motion by torque arm.
In the scheme that a kind of elasticity connects, a stator in described the first stator and the second stator is fixedly mounted on the fixture by the bolted mode, between another stator and the fixture torque arm is installed.Be provided with the elastomeric pad made from rubber or resin composition adopting the bolted mode to be fixedly mounted between stator on the fixture and the fixture; Thereby make the first stator and the second stator can stressed fine motion by torque arm and elastomeric pad.
Described external rotor electric machine is as the drive motors of vehicle, the driving shaft that a kind of scheme of exporting torque is this external rotor electric machine is arranged on vertically along in the vertical central plane of vehicle fore-and-aft direction, described driving shaft connects angular wheel, exports torque with horizontal direction to left wheel and the right wheel of vehicle by this angular wheel.
When described external rotor electric machine is used as wheel hub motor, the wheel hub for fit a tyre is installed on the described the first rotor.
A kind of wheel hub connectivity scenario is provided with at least two bolts at the end face of the first rotor.Described wheel hub is being processed with positioning through hole with described bolt relevant position.Described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the first rotor.
Another kind of wheel hub connectivity scenario is provided with at least two installing holes with internal thread at the end face of the first rotor; Described wheel hub is being processed with positioning through hole with described installing hole relevant position; With passing respectively described positioning through hole and the screw-in bolt with the corresponding installing hole of this positioning through hole wheel hub is installed on the first rotor.
Another wheel hub connectivity scenario is nested in described wheel hub on the outer peripheral face of the first rotor, and with the bolted mode wheel hub is fixed on the first rotor.
Another wheel hub connectivity scenario directly is processed with wheel hub on described the first rotor, namely the first rotor and wheel hub are one-body molded.
Another wheel hub connectivity scenario is provided with ring flange in the periphery of described the first rotor, is processed with at least two location and installation through holes at this ring flange; Described wheel hub is being processed with positioning through hole with described location and installation through hole relevant position; With passing respectively corresponding each bolt to the location and installation through hole of the positioning through hole of described wheel hub and described ring flange in position, and the nut that configures for each bolt is installed in wheel hub on the first rotor.
Another wheel hub connectivity scenario is provided with ring flange in the periphery of described the first rotor, is provided with at least two bolts at the end face of this ring flange; Described wheel hub is being processed with positioning through hole with described bolt relevant position, and described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the first rotor.
In like manner, when described external rotor electric machine is used as wheel hub motor, the wheel hub for fit a tyre is installed on described the second rotor.
A kind of wheel hub connectivity scenario is provided with at least two bolts at bitrochanteric end face; Described wheel hub is being processed with positioning through hole with described bolt relevant position; Described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the second rotor.
Another kind of wheel hub connectivity scenario is provided with at least two installing holes with internal thread at bitrochanteric end face; Described wheel hub is being processed with positioning through hole with described installing hole relevant position; With passing respectively described positioning through hole and the screw-in bolt with the corresponding installing hole of this positioning through hole wheel hub is installed on the second rotor.
Another wheel hub connectivity scenario is nested in described wheel hub on the bitrochanteric outer peripheral face, and with the bolted mode wheel hub is fixed on the second rotor.
Another wheel hub connectivity scenario directly is processed with wheel hub on described the second rotor, namely the first rotor and wheel hub are one-body molded.
Another wheel hub connectivity scenario is provided with ring flange in described bitrochanteric periphery, is processed with at least two location and installation through holes at this ring flange; Described wheel hub is being processed with positioning through hole with described location and installation through hole relevant position; With passing respectively corresponding each bolt to the location and installation through hole of the positioning through hole of described wheel hub and described ring flange in position, and the nut that configures for each bolt is installed in wheel hub on the second rotor.
Another wheel hub connectivity scenario is provided with ring flange in described bitrochanteric periphery, is provided with at least two bolts at the end face of this ring flange; Described wheel hub is being processed with positioning through hole with described bolt relevant position, and described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the second rotor.
In order to guarantee simultaneously ventilation and heat in the first external rotor electric machine unit at sealed electric-motor, on the first stator, perhaps be provided with sealing ring at described fixture for the first stator is installed, sealing circle contact the first rotor inner face, thereby the space between sealing the first rotor and the first stator enters the first rotor inboard to prevent dust or water.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and conduit; Described conduit one end connects described air vent hole, and other end setting is higher than the position of the first rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
The present invention also proposes the centrifugal pump heat sink conception, and described external rotor electric machine also comprises the air vent hole that is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and is installed in the centrifugal valve on the first rotor periphery; Described centrifugal valve also is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and this centrifugal valve is subjected to the centrifugal force of rotor generation and opens the formation centrifugal pump, and the first rotor inner space air is extracted out.
Described external rotor electric machine also comprises conduit; Described conduit one end connects described air vent hole, and the other end is arranged on the position that is higher than the first rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
In order to guarantee simultaneously ventilation and heat in the second external rotor electric machine unit at sealed electric-motor, on the second stator, perhaps be provided with sealing ring at described fixture for the second stator is installed, the sealing circle contacts the second inner rotor face, thereby seal the space between the second rotor and the second stator, inboard to prevent that dust or water from entering the second rotor.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and conduit; Described conduit one end connects described air vent hole, and other end setting is higher than the position of the second rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and is installed in the centrifugal valve on the second rotor periphery; Described centrifugal valve also is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and this centrifugal valve is subjected to the centrifugal force of rotor generation and opens the formation centrifugal pump, and the second rotor inner space air is extracted out.
Described external rotor electric machine also comprises conduit; Described conduit one end connects described air vent hole, and the other end is arranged on the position that is higher than the second rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
The present invention solve the technical problem can also be by realizing by the following technical solutions:
Implement a kind of method that external rotor electric machine can controlled conversion output parameter that makes, especially comprise the steps:
A. make the first external rotor electric machine unit that comprises the first stator and the first rotor, the first stator is fixedly mounted on the fixture, make the first rotor rotate in the first stator periphery;
B. make and comprise and the second stator and bitrochanteric the second external rotor electric machine unit the second stator being fixedly mounted on the fixture, make the second rotor rotate in the second stator periphery;
C. the second rotor is controllably connected or disconnect the first rotor, so that when the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
Described step B also comprises step by step following,
B1. manufacturing comprises the second stator and bitrochanteric the second external rotor electric machine unit, makes bitrochanteric diameter greater than the diameter of the described the first rotor of steps A;
B2. the second stator is fixedly mounted on the fixture, makes the second rotor be coaxially set with the first rotor in the second stator periphery rotation and this second rotor, namely the second rotor rotates in the periphery of the first rotor.
Particularly, step C also comprises step by step following,
C11. realize that with being arranged on mechanical type one-way clutch between described the first rotor periphery and the second rotor periphery described the second rotor controllably connects or disconnects described the first rotor, so that,
When the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
All right, step C also comprises step by step following,
C21. realize that with being arranged on electromagnetic clutch between described the first rotor periphery and the second rotor periphery described the second rotor controllably connects or disconnects described the first rotor, so that,
When the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
When described external rotor electric machine was used as the drive motors of vehicle, step C comprised step by step following,
C3. the second rotor is controllably connected or disconnect the first rotor, so that,
Under common speed working order, the controlled the first rotor that disconnects of the second rotor only moves in the first external rotor electric machine unit and the second external rotor electric machine unit; In the situation that needs acceleration and regenerative braking, the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor, makes the first external rotor electric machine unit and the second external rotor electric machine unit coordinated operation.
Particularly, described step by step C3 also further comprises step by step following,
C31. the second rotor is controllably connected or disconnect the first rotor, so that,
Under common speed working order, the controlled the first rotor that disconnects of the second rotor only moves the first external rotor electric machine unit; Only in the situation that needs accelerate and regenerative braking, the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor, makes the second external rotor electric machine unit and the first external rotor electric machine unit coordinated operation.
Compare with prior art, the present invention's's " make external rotor electric machine can controlled conversion output parameter method and external rotor electric machine " technique effect is:
1. the present invention does not need to increase the axial length of external rotor electric machine, controllably connect or disconnect the second rotor by the first rotor to change coil quantity and electromagnetic capacity, thereby for realizing that ultra-thin high-output power external rotor electric machine creates conditions;
2. external rotor electric machine of the present invention is selected operation the first external rotor electric machine unit according to purposes, perhaps select coordinated operation the first external rotor electric machine unit and the second external rotor electric machine unit, it is the interlock of the first rotor and the second rotor, make the output parameter vary within wide limits of external rotor electric machine, adapt to an electricity energy driven vehicle demand to accelerating performance and regenerative braking characteristic;
3. the present invention realizes switching between micro-machine and large-size machine with external rotor electric machine, compare and make separately respectively micro-machine and large-size machine and can significantly reduce development cost, obtain more excellent effect improving logistics and storehouse management efficient u'eno.
Description of drawings
Fig. 1 is the orthographic projection master apparent direction generalized section of the present invention's " make external rotor electric machine can controlled conversion output parameter method and external rotor electric machine " the first embodiment, and because external rotor electric machine is take central axis 1 as the symmetry axis axially symmetric structure, omitted the external rotor electric machine part of central axis 1 below among the figure;
Fig. 2 is the orthographic projection master apparent direction generalized section of second embodiment of the invention, because external rotor electric machine is take central axis 1 as the symmetry axis axially symmetric structure, has omitted the external rotor electric machine part of central axis 1 below among the figure.
It is as follows that above-mentioned number in the figure refers to device description:
1. central axis; 2. driving shaft; 3. spline; 4. spacer for bolt; 5. driving shaft set bolt; 6. the first rotor that has the through hole that is processed with spline; 7. the first stator; 8. mechanical type one-way clutch; 9. the second rotor; 10. the second stator; 11. fixture; 12. fixed axis; 13. electromagnetic clutch; 14. be arranged on the bolt that is used for connecting wheel hub on the rotor end-face; 15. be provided with the first rotor of bearing in its center through hole.
Embodiment
Be described in further detail below in conjunction with each embodiment shown in the accompanying drawing.
The present invention proposes a kind of external rotor electric machine that can controlled conversion output parameter, as depicted in figs. 1 and 2, comprises the first external rotor electric machine unit and the second external rotor electric machine unit.Described the first external rotor electric machine unit comprises the first stator 7 that is fixedly mounted on the fixture 11, at the first rotor 6,15 of this first stator periphery rotation.Described the second external rotor electric machine unit comprises the second stator 10 that is fixedly mounted on the described fixture, at the second rotor 9 of this second stator 10 peripheries rotation.The second rotor 9 controllably connects or disconnects the first rotor 6,15.When the first rotor 6,15 connected the second rotor 9, described the second rotor 9 was with the first rotor 6,15 rotations.When the first rotor 6,15 disconnected the second rotor 9, the first rotor 6, the 15 and second rotor 9 can be distinguished separately rotation.
Particularly, described the first rotor 6, the 15 and second rotor 9 are coaxially set, and the diameter of described the second rotor 9 is greater than the first rotor 6,15 diameter, thereby the second rotor 9 is in the first rotor 6,15 periphery rotation.
Particularly, the periphery of described the second rotor 9 controllably connects or disconnects the periphery of described the first rotor 6 by mechanical type one-way clutch 8.
Can also be that the periphery of described the second rotor 9 controllably connects or disconnect the periphery of described the first rotor 15 by electromagnetic clutch 13.
Described external rotor electric machine is used as the drive motors of vehicle, under common speed working order, only moves in the first external rotor electric machine unit and the second external rotor electric machine unit; Only in the situation that needs accelerate and regenerative braking, the first rotor 6,15 is connected the second rotor 9, the first external rotor electric machine unit and the second external rotor electric machine unit coordinated operation.
Further, described external rotor electric machine is used as the drive motors of vehicle, under common speed working order, only moves the first external rotor electric machine unit; Only in the situation that needs accelerate and regenerative braking, the first rotor 6,15 is connected the second rotor 9, make the second external rotor electric machine unit and the first external rotor electric machine unit coordinated operation.
The present invention also proposes a kind of method that realizes above-mentioned external rotor electric machine, even the method that external rotor electric machine can controlled conversion output parameter comprises the steps:
A. make the first external rotor electric machine unit that comprises the first stator and the first rotor, the first stator is fixedly mounted on the fixture, make the first rotor rotate in the first stator periphery;
B. make and comprise and the second stator and bitrochanteric the second external rotor electric machine unit the second stator being fixedly mounted on the fixture, make the second rotor rotate in the second stator periphery;
C. the second rotor is controllably connected or disconnect the first rotor, so that when the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
The first external rotor electric machine unit and the second external rotor driver element can coaxially arrange, namely described step B also comprise step by step following,
B1. manufacturing comprises the second stator and bitrochanteric the second external rotor electric machine unit, makes bitrochanteric diameter greater than the diameter of the described the first rotor of steps A;
B2. the second stator is fixedly mounted on the fixture, makes the second rotor be coaxially set with the first rotor in the second stator periphery rotation and this second rotor, namely the second rotor rotates in the periphery of the first rotor.
The controlled connection of specific implementation or the method that disconnects be, step C also comprises step by step following,
C11. realize that with being arranged on mechanical type one-way clutch between described the first rotor periphery and the second rotor periphery described the second rotor controllably connects or disconnects described the first rotor, so that,
When the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
The another kind of controlled connection of specific implementation or the method that disconnects be, step C also comprises step by step following,
C21. realize that with being arranged on electromagnetic clutch between described the first rotor periphery and the second rotor periphery described the second rotor controllably connects or disconnects described the first rotor, so that,
When the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
When described external rotor electric machine was used as the drive motors of vehicle, step C comprised step by step following,
C3. the second rotor is controllably connected or disconnect the first rotor, so that,
Under common speed working order, the controlled the first rotor that disconnects of the second rotor only moves in the first external rotor electric machine unit and the second external rotor electric machine unit; In the situation that needs acceleration and regenerative braking, the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor, makes the first external rotor electric machine unit and the second external rotor electric machine unit coordinated operation.
Particularly, described step by step C3 also further comprises step by step following,
C31. the second rotor is controllably connected or disconnect the first rotor, so that,
Under common speed working order, the controlled the first rotor that disconnects of the second rotor only moves the first external rotor electric machine unit; Only in the situation that needs accelerate and regenerative braking, the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor, makes the second external rotor electric machine unit and the first external rotor electric machine unit coordinated operation.
Described external rotor electric machine also comprises the driving shaft 2 that is fixedly connected with described the first rotor 6; Described driving shaft 2 is chimeric by spline, taper embeds, be pressed into at least a fixed form during bolt is connected and connect described the first rotor 6.First embodiment of the invention, as shown in Figure 1, described driving shaft 2 connects the first rotor by spline is chimeric with the bolt secure bond mode of being connected, the end of described driving shaft 2 is processed with spline 3, be the axis of the first rotor 6 along central axis 1, at the first rotor 6 through hole is set, and in through hole, also is processed with spline, by the frictional force of spline driving shaft 2 is connected the first rotors 6.Simultaneously, there is the bolt 5 of spacer for bolt 4 that driving shaft 2 and the first rotor 6 is further fixing with cover.In addition, described taper embeds and refers to driveshaft end is processed into taper, described rotor is processed with the taper fixing hole vertically, by the frictional force between driveshaft end outer wall and the taper fixing hole hole wall described driving shaft is embedded in the taper fixing hole, and driving shaft is fixedly connected with rotor.The described fixed form that is pressed into refers to directly driving shaft is pressed into the rotor fixing hole in the tight fit mode, and driving shaft is fixedly connected with rotor.
First embodiment of the invention, as shown in Figure 1, the periphery of described the second rotor 9 controllably connects or disconnects the periphery of described the first rotor 6 by mechanical type one-way clutch 8.Generally speaking, only just can drive driving shaft 2 with the first rotor, mechanical type one-way clutch 8 is in the state of disconnecting at this moment, the first external rotor electric machine unit and the second external rotor electric machine unit be independent operating separately, be in when disconnecting state when the mechanical type one-way clutch in the present embodiment, the second external rotor electric machine does not move yet.When needs are exported greatly, mechanical type one-way clutch 8 is in connection status, the first rotor 6 and the second rotor 9 linkage rotations, the energising operation of the second external rotor electric machine unit, the first external rotor electric machine unit and the second external rotor electric machine unit to driving shaft 2 output torques, make external rotor electric machine obtain large output parameter simultaneously.If this moment, the second external rotor electric machine unit no power relied on the second stator to the stagnant effect of the magnetic resistance of the first stator, the second external rotor electric machine unit is as the generator operation that realizes regenerative braking.
Second embodiment of the invention, as shown in Figure 2, described external rotor electric machine also comprises along described the first rotor 15 axis and is connected to fixed axis 12 on the fixture 11.Be processed with along the described the first rotor 15 of the first rotor 15 axis directions and run through through hole, described the first rotor 15 connects described fixed axis 12 rotationally by being pressed into the bearing 4 that runs through through hole, thereby by the output of the first rotor 15 axial ends or input torque.The periphery of described the second rotor 9 controllably connects or disconnects the periphery of described the first rotor 15 by electromagnetic clutch 13.Compare with the first embodiment, the difference of electromagnetic clutch 13 and mechanical type one-way clutch 8 only is to realize the principle of clutch, realizes that namely the second rotor connects or disconnect the principle of the first rotor, and their effect is identical.When using fixed axis 12, by periphery or the end face output torque of the first rotor 15, described external rotor electric machine can use as wheel hub motor, is provided with at least two bolts 14 at the end face of the first rotor 15.Described wheel hub is being processed with positioning through hole with described bolt 14 relevant positions.Described each bolt 14 passes separately corresponding positioning through hole and by nut wheel hub is installed on the first rotor 15.
Described the first stator 7 and the second stator 10 flexibly are fixedly mounted on the fixture 11 by elastic element separately.
The scheme that a kind of elasticity connects, described the first stator 7 and the second stator 10 are fixedly mounted on the fixture 11 by the bolted mode, and described elastic element is the elastomeric pad made from rubber or resin composition; This elastomeric pad is arranged between the first stator 7 and the fixture 11, and is arranged between the second stator 10 and the fixture 11, thereby makes the first stator 7 and the second stator 10 can stressed fine motion by elastomeric pad.
The scheme that another kind of elasticity connects, described elastic element is mounted between the first stator 7 and the fixture 11, and be installed in torque arm between the second stator 10 and the fixture 11, thereby make the first stator 7 and the second stator 10 can stressed fine motion by torque arm.This scheme effectively prevents the reverse torsion of motor.
The scheme that the elasticity of another above-mentioned two scheme combination connects, a stator in described the first stator 7 and the second stator 10 is fixedly mounted on the fixture by the bolted mode, between another stator and the fixture torque arm is installed; Be provided with the elastomeric pad made from rubber or resin composition adopting the bolted mode to be fixedly mounted between stator on the fixture and the fixture; Thereby make the first stator 7 and the second stator 10 can stressed fine motion by torque arm and elastomeric pad.
Described external rotor electric machine is as the drive motors of vehicle, the driving shaft that a kind of scheme of exporting torque is this external rotor electric machine is arranged on vertically along in the vertical central plane of vehicle fore-and-aft direction, described driving shaft connects angular wheel, exports torque with horizontal direction to left wheel and the right wheel of vehicle by this angular wheel.The ultra-thin large output characteristic of scheme performance external rotor electric machine of this output torque is installed in external rotor electric machine on the vehicle chassis, saves installing space.
When described external rotor electric machine is used as wheel hub motor, the wheel hub for fit a tyre is installed on the described the first rotor.
As shown in Figure 2, a kind of wheel hub connectivity scenario is provided with at least two bolts 14 at the end face of the first rotor 15.Described wheel hub is being processed with positioning through hole with described bolt 14 relevant positions.Described each bolt 14 passes separately corresponding positioning through hole and by nut wheel hub is installed on the first rotor 15.
Another kind of wheel hub connectivity scenario is provided with at least two installing holes with internal thread at the end face of the first rotor; Described wheel hub is being processed with positioning through hole with described installing hole relevant position; With passing respectively described positioning through hole and the screw-in bolt with the corresponding installing hole of this positioning through hole wheel hub is installed on the first rotor.
Another wheel hub connectivity scenario is nested in described wheel hub on the outer peripheral face of the first rotor, and with the bolted mode wheel hub is fixed on the first rotor.
Another wheel hub connectivity scenario directly is processed with wheel hub on described the first rotor, namely the first rotor and wheel hub are one-body molded.
Another wheel hub connectivity scenario is provided with ring flange in the periphery of described the first rotor, is processed with at least two location and installation through holes at this ring flange; Described wheel hub is being processed with positioning through hole with described location and installation through hole relevant position; With passing respectively corresponding each bolt to the location and installation through hole of the positioning through hole of described wheel hub and described ring flange in position, and the nut that configures for each bolt is installed in wheel hub on the first rotor.
Another wheel hub connectivity scenario is provided with ring flange in the periphery of described the first rotor, is provided with at least two bolts at the end face of this ring flange; Described wheel hub is being processed with positioning through hole with described bolt relevant position, and described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the first rotor.
In like manner, when described external rotor electric machine is used as wheel hub motor, the wheel hub for fit a tyre is installed on described the second rotor.
A kind of wheel hub connectivity scenario is provided with at least two bolts at bitrochanteric end face; Described wheel hub is being processed with positioning through hole with described bolt relevant position; Described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the second rotor.
Another kind of wheel hub connectivity scenario is provided with at least two installing holes with internal thread at bitrochanteric end face; Described wheel hub is being processed with positioning through hole with described installing hole relevant position; With passing respectively described positioning through hole and the screw-in bolt with the corresponding installing hole of this positioning through hole wheel hub is installed on the second rotor.
Another wheel hub connectivity scenario is nested in described wheel hub on the bitrochanteric outer peripheral face, and with the bolted mode wheel hub is fixed on the second rotor.
Another wheel hub connectivity scenario directly is processed with wheel hub on described the second rotor, namely the first rotor and wheel hub are one-body molded.
Another wheel hub connectivity scenario is provided with ring flange in described bitrochanteric periphery, is processed with at least two location and installation through holes at this ring flange; Described wheel hub is being processed with positioning through hole with described location and installation through hole relevant position; With passing respectively corresponding each bolt to the location and installation through hole of the positioning through hole of described wheel hub and described ring flange in position, and the nut that configures for each bolt is installed in wheel hub on the second rotor.
Another wheel hub connectivity scenario is provided with ring flange in described bitrochanteric periphery, is provided with at least two bolts at the end face of this ring flange; Described wheel hub is being processed with positioning through hole with described bolt relevant position, and described each bolt passes separately corresponding positioning through hole and by nut wheel hub is installed on the second rotor.
In order to guarantee simultaneously ventilation and heat in the first external rotor electric machine unit at sealed electric-motor, on the first stator, perhaps be provided with sealing ring at described fixture for the first stator is installed, sealing circle contact the first rotor inner face, thereby the space between sealing the first rotor and the first stator enters the first rotor inboard to prevent dust or water.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and conduit; Described conduit one end connects described air vent hole, and other end setting is higher than the position of the first rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
The present invention also proposes the centrifugal pump heat sink conception, and described external rotor electric machine also comprises the air vent hole that is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and is installed in the centrifugal valve on the first rotor periphery; Described centrifugal valve also is communicated with described the first external rotor electric machine unit space outerpace and the first rotor inner space, and this centrifugal valve is subjected to the centrifugal force of rotor generation and opens the formation centrifugal pump, and the first rotor inner space air is extracted out.
Described external rotor electric machine also comprises conduit; Described conduit one end connects described air vent hole, and the other end is arranged on the position that is higher than the first rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
In order to guarantee simultaneously ventilation and heat in the second external rotor electric machine unit at sealed electric-motor, on the second stator, perhaps be provided with sealing ring at described fixture for the second stator is installed, the sealing circle contacts the second inner rotor face, thereby seal the space between the second rotor and the second stator, inboard to prevent that dust or water from entering the second rotor.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and conduit; Described conduit one end connects described air vent hole, and other end setting is higher than the position of the second rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
Described external rotor electric machine also comprises the air vent hole that is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and is installed in the centrifugal valve on the second rotor periphery; Described centrifugal valve also is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and this centrifugal valve is subjected to the centrifugal force of rotor generation and opens the formation centrifugal pump, and the second rotor inner space air is extracted out.
Described external rotor electric machine also comprises conduit; Described conduit one end connects described air vent hole, and the other end is arranged on the position that is higher than the second rotor axis.
Described external rotor electric machine also comprises the valve that is installed on the air vent hole.
The present invention can obtain the ultra-thin external rotor electric machine of high output with low cost; Regenerative braking characteristic in the time of can also utilizing the second external rotor unit with generator operation realizes the freely control of motor, realizes the control that prior art can not realize.External rotor electric machine of the present invention is used for electricity energy driven vehicle, can makes the operation ease leap of external rotor electric machine promote.
Claims (10)
- One kind can controlled conversion output parameter external rotor electric machine, it is characterized in that:Comprise the first external rotor electric machine unit and the second external rotor electric machine unit;Described the first external rotor electric machine unit comprises the first stator (7) that is fixedly mounted on the fixture (11), at the first rotor (6,15) of this first stator periphery rotation;Described the second external rotor electric machine unit comprises the second stator (10) that is fixedly mounted on the described fixture, at second rotor (9) of this second stator (10) periphery rotation;The second rotor (9) controllably connects or disconnects the first rotor (6,15); When the first rotor (6,15) connected the second rotor (9), described the second rotor (9) rotated with the first rotor (6,15); When the first rotor (6,15) disconnected the second rotor (9), the first rotor (6,15) can be distinguished separately rotation with the second rotor (9).
- 2. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:Described the first rotor (6,15) and the second rotor (9) are coaxially set, and the diameter of described the second rotor (9) is greater than the diameter of the first rotor (6,15), thereby the second rotor (9) is in the periphery rotation of the first rotor (6,15).
- 3. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:The periphery of described the second rotor (9) controllably connects or disconnects the periphery of described the first rotor (6) by mechanical type one-way clutch (8).
- 4. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:The periphery of described the second rotor (9) controllably connects or disconnects the periphery of described the first rotor (15) by electromagnetic clutch (13).
- 5. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:Described the first stator (7) and the second stator (10) flexibly are fixedly mounted on the fixture (11) by elastic element separately.
- 6. external rotor electric machine that can controlled conversion output parameter according to claim 3 is characterized in that:Described external rotor electric machine is as the drive motors of vehicle, the driving shaft of this external rotor electric machine is arranged on vertically along in the vertical central plane of vehicle fore-and-aft direction, described driving shaft connects angular wheel, exports torque with horizontal direction to left wheel and the right wheel of vehicle by this angular wheel.
- 7. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:Wheel hub for fit a tyre is installed on described the second rotor.
- 8. external rotor electric machine that can controlled conversion output parameter according to claim 1 is characterized in that:On the second stator, perhaps be provided with sealing ring at described fixture for the second stator is installed, the sealing circle contacts the second inner rotor face, thereby seals the space between the second rotor and the second stator, and is inboard to prevent that dust or water from entering the second rotor.
- 9. external rotor electric machine that can controlled conversion output parameter according to claim 8 is characterized in that:Also comprise the air vent hole that is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and be installed in the centrifugal valve on the second rotor periphery;Described centrifugal valve also is communicated with described the second external rotor electric machine unit space outerpace and the second rotor inner space, and this centrifugal valve is subjected to the centrifugal force of rotor generation and opens the formation centrifugal pump, and the second rotor inner space air is extracted out.
- 10. one kind makes the method that external rotor electric machine can controlled conversion output parameter, it is characterized in that comprising the steps:A. make the first external rotor electric machine unit that comprises the first stator and the first rotor, the first stator is fixedly mounted on the fixture, make the first rotor rotate in the first stator periphery;B. make and comprise and the second stator and bitrochanteric the second external rotor electric machine unit the second stator being fixedly mounted on the fixture, make the second rotor rotate in the second stator periphery;C. the second rotor is controllably connected or disconnect the first rotor, so that,When the controlled connection the first rotor of the second rotor, the second rotor rotates with the first rotor; When the second rotor is controlled when disconnecting the first rotor, the first rotor and the second rotor can be distinguished separately rotation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011159375A JP2013017370A (en) | 2011-07-02 | 2011-07-02 | Outer rotor motor |
| JP2011-159375 | 2011-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102857050A true CN102857050A (en) | 2013-01-02 |
| CN102857050B CN102857050B (en) | 2016-11-02 |
Family
ID=47403332
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203124619U Expired - Lifetime CN202957725U (en) | 2011-07-01 | 2012-07-01 | External rotor electric machine controlled by change output parameter |
| CN201210221867.0A Active CN102857050B (en) | 2011-07-02 | 2012-07-01 | Make the external rotor electric machine can the method for controlled conversion output parameter and external rotor electric machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203124619U Expired - Lifetime CN202957725U (en) | 2011-07-01 | 2012-07-01 | External rotor electric machine controlled by change output parameter |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013017370A (en) |
| CN (2) | CN202957725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623319A (en) * | 2021-07-08 | 2021-11-09 | 安徽华驰动能科技有限公司 | Magnetic suspension bearing with safety braking protection function |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013017370A (en) * | 2011-07-02 | 2013-01-24 | Tadashi Takano | Outer rotor motor |
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| CN1130960A (en) * | 1994-06-08 | 1996-09-11 | 精密电力设备公司 | Versatile AC dynamo-electric machine |
| JPH0965623A (en) * | 1995-08-22 | 1997-03-07 | Seishi Tatemukai | Multilayered automatically torque adjusting type generator |
| CN1091041C (en) * | 1996-07-02 | 2002-09-18 | 丰田自动车株式会社 | Power output apparatus and method of controlling the same |
| CN101186209A (en) * | 2007-09-04 | 2008-05-28 | 深圳先进技术研究院 | Mixed power system using electrical system to implement series-parallel power distribution |
| CN201312214Y (en) * | 2008-11-05 | 2009-09-16 | 宁波市北仑海伯精密机械制造有限公司 | Outer rotor type multi-rotor and multi-stator motor |
| RU2402857C1 (en) * | 2009-03-30 | 2010-10-27 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Controllable cascade electric drive |
| CN202957725U (en) * | 2011-07-01 | 2013-05-29 | 高野正 | External rotor electric machine controlled by change output parameter |
-
2011
- 2011-07-02 JP JP2011159375A patent/JP2013017370A/en not_active Withdrawn
-
2012
- 2012-07-01 CN CN2012203124619U patent/CN202957725U/en not_active Expired - Lifetime
- 2012-07-01 CN CN201210221867.0A patent/CN102857050B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1130960A (en) * | 1994-06-08 | 1996-09-11 | 精密电力设备公司 | Versatile AC dynamo-electric machine |
| JPH0965623A (en) * | 1995-08-22 | 1997-03-07 | Seishi Tatemukai | Multilayered automatically torque adjusting type generator |
| CN1091041C (en) * | 1996-07-02 | 2002-09-18 | 丰田自动车株式会社 | Power output apparatus and method of controlling the same |
| CN101186209A (en) * | 2007-09-04 | 2008-05-28 | 深圳先进技术研究院 | Mixed power system using electrical system to implement series-parallel power distribution |
| CN201312214Y (en) * | 2008-11-05 | 2009-09-16 | 宁波市北仑海伯精密机械制造有限公司 | Outer rotor type multi-rotor and multi-stator motor |
| RU2402857C1 (en) * | 2009-03-30 | 2010-10-27 | Государственное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ГОУВПО "КубГТУ") | Controllable cascade electric drive |
| CN202957725U (en) * | 2011-07-01 | 2013-05-29 | 高野正 | External rotor electric machine controlled by change output parameter |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113623319A (en) * | 2021-07-08 | 2021-11-09 | 安徽华驰动能科技有限公司 | Magnetic suspension bearing with safety braking protection function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202957725U (en) | 2013-05-29 |
| CN102857050B (en) | 2016-11-02 |
| JP2013017370A (en) | 2013-01-24 |
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Owner name: GAO YEZHENG Free format text: FORMER OWNER: TAKANO ROTARY MOTOR RES INSTITUTION Effective date: 20141209 |
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Effective date of registration: 20141209 Address after: Japan Prefecture, Shizuoka Prefecture, Zhou Ting Ting, rice field 148-3 Applicant after: Gao Yezheng Address before: Hongkong China ring des Voeux Road No. 121 Applicant before: Takano Rotary Motor Research Institute Co., Ltd. |
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Effective date of registration: 20210311 Address after: Room 911, building 10, 2777 Jinxiu East Road, Pudong New Area, Shanghai Patentee after: Shanghai ziai Motor Co.,Ltd. Address before: Japan Prefecture, Shizuoka Prefecture, Zhou Ting Ting, rice field 148-3 Patentee before: Gao Yezheng |
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