CN202957726U - External rotor motor capable of changing axial length - Google Patents
External rotor motor capable of changing axial length Download PDFInfo
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- CN202957726U CN202957726U CN 201220312462 CN201220312462U CN202957726U CN 202957726 U CN202957726 U CN 202957726U CN 201220312462 CN201220312462 CN 201220312462 CN 201220312462 U CN201220312462 U CN 201220312462U CN 202957726 U CN202957726 U CN 202957726U
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Abstract
The utility model discloses an external rotor motor capable of changing an axial length. The external rotor motor is characterized in that: a stator and a rotor of the external rotor motor are divided into unit stators and unit rotors capable of respectively and independently completing the stator function and the rotor function, specially each of the stator and the rotor is divided into a tail end part, a center part, and a fixing part according to an axial direction, different unit stators and unit rotors are combined and assembled into the external rotor motor suitable for many kinds of parameter requirements, and an axial length of the external rotor motor can be changed freely by changing the unit stators and the unit rotors, so the external rotor motor having a plurality of output parameters can be assembled on the premise of not raising the cost, and consequently, compared with a production method for producing the special external rotor motor according to the parameter requirements in the prior art, the production cost is reduced.
Description
Technical field
The utility model relates to the motor that is applicable to passenger car, transportation machine, industry machine, household appliances etc., particularly relates to rotor at the peripheral external rotor electric machine rotated of stator that is fixed and installs.
Background technology
In recent years, in electricity energy driven vehicle, perhaps there is electric energy that mostly applicable external rotor electric machine in hybrid drive vehicle is provided, due to external rotor electric machine is in to development for vehicle traction, also do not form unified standard, prior art is that the external rotor electric machine that every money vehicle design is used is all 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 the universal of external rotor electric machine, and external rotor electric machine can not be popularized and further makes its production cost improve, thereby form the vicious circle that motor cost height and tailored version external rotor electric machine can't be universal.
The utility model content
The technical problems to be solved in the utility model is to avoid the deficiencies in the prior art part and proposes a kind of external rotor electric machine that can change axial length, the stator of external rotor electric machine and rotor are divided into to unit stator and the unit rotor that can distinguish complete independently stator function and rotor function, specifically by stator and rotor according to axially being divided into terminal part, after central part and fixed part, be assembled into the external rotor electric machine of applicable many kinds of parameters demand by different unit stators and rotor combination, and the axial length of external rotor electric machine can freely change by changing unit stator and unit rotor, just can be assembled into the external rotor electric machine with multiple output parameter in the situation that do not raise the cost, reduced compared to existing technology production cost.
The utility model solve the technical problem can be by realizing by the following technical solutions:
Design, manufacture a kind of external rotor electric machine that can change axial length, comprise the stator be arranged on fixture, and the rotor for exporting torque or input torque, rotating in the stator periphery coaxially.Especially, described stator comprises at least two unit stators that can complete separately separately the stator function, and each unit stator removably coaxially links; Described rotor comprises at least two unit rotors that can complete separately separately the rotor function, and each unit rotor removably coaxially links.Thereby by dismounting or installation unit stator and unit rotor, change the axial length of stator and rotor, make the free-extension vertically of described external rotor electric machine.
As a kind of mode of exporting torque, described external rotor electric machine also comprises the driving shaft arranged along rotor axis, and this driving shaft is fixedly connected with described rotor, with rotor, rotates.
Particularly, described driving shaft by spline embed, taper embeds, be pressed into at least one fixed form during bolt is fixing and be connected described rotor.
Mode as another kind output torque, described external rotor electric machine also comprises along described rotor axis and is connected to fixed axis on fixture, described rotor connects described fixed axis rotationally by bearing, thereby by rotor axial end face or periphery output or input torque.
Only need to change the axial length of described external rotor electric machine at some, and do not change in motor input-output characteristic ground situation, described external rotor electric machine also comprises filling component, and described filling component is installed between two groups of adjacent cells stators and unit rotor.
A kind of more specifically scheme, described stator comprises a fixed part unit stator be arranged on fixture, a terminal part unit stator, and be clipped at least one the central part unit stator between this fixed part unit stator and terminal part unit stator.Correspondingly, described rotor comprises a fixed part unit rotor in the rotation of fixed part unit stator periphery, a terminal part unit rotor that stator periphery in section unit is rotated endways, and be clipped at least one the central part unit rotor between described fixed part unit rotor and terminal part unit rotor.
Generally, described terminal part unit rotor is used for directly output torque, or by be fixedly connected on epitrochanterian driving shaft output torque along rotor axis.
Described fixture refers to for the base of described external rotor electric machine is installed.And, when described external rotor electric machine uses as the driving vehicle, described fixture refers to the car body of the vehicle for described external rotor electric machine is installed.
Only need to change the axial length of described external rotor electric machine at some, and do not change in motor input-output characteristic ground situation, described external rotor electric machine also comprises at least one central part filling component, described central part filling component is installed between two adjacent central part unit stators and central part unit rotor, and/or be installed between terminal part unit stator and terminal part unit rotor and central part unit stator and central part unit rotor, and/or be installed between central part unit stator and central part unit rotor and fixed part unit stator and fixed part unit rotor.
Described central part filling component can also replace described central part unit rotor fully, and described stator comprises a fixed part unit stator be arranged on fixture, a terminal part unit stator.Correspondingly, described rotor comprises a fixed part unit rotor in the rotation of fixed part unit stator periphery, a terminal part unit rotor that stator periphery in section unit is rotated endways.Between fixed part unit stator and fixed part unit rotor and terminal part unit stator and terminal part unit rotor, the central part filling component removably is installed.
As the electrical equipment connection scheme of external rotor electric machine, in described fixed part unit stator, central part unit stator and terminal part unit stator, be respectively arranged with the stator power connector; Described stator power connector comprises at least one power supply contact terminal; Adjacent two unit stators are provided with the contact-making surface contacted with each other, described power supply contact terminal exposes from the contact-making surface of unit, place stator, by each power supply contact terminal, makes the stator power connector in fixed part unit stator, central part unit stator and terminal part unit stator be electrically connected to.
Described stator power connector also comprises the stator track distributor, and this stator track distributor makes the coil of unit, power connector place stator be electrically connected to the power supply contact terminal.The electric current that described stator track distributor plays the effect ，Jiang mono-tunnel input of splitter or branch road device is divided into plural branch road output, and take is a plurality of device transmission of electric energy simultaneously.
The stator track distributor electric connection of power supply parts of the stator power connector of described fixed part unit stator, be electrically connected to the stator power connector of central part unit stator simultaneously, and be electrically connected to the stator coil of this fixed part unit stator, thereby provide electric energy to the stator power connector of central part unit stator and the stator coil of fixed part unit stator by described power supply unit simultaneously.
The stator track distributor of the stator power connector of described central part unit stator is electrically connected to the stator power connector of fixed part unit stator, be electrically connected to the stator power connector of terminal part unit stator simultaneously, and be electrically connected to the stator coil of this central part unit stator, thereby the power delivery that fixed part unit stator is provided is to the stator power connector of terminal part unit stator and the stator coil of central part unit stator.
Described power supply unit comprises the independent power supply device that is arranged on separately described external rotor electric machine outside, and the rotor of described external rotor electric machine during as generator operation.Especially, when described external rotor electric machine is used for to vehicle traction, this external rotor electric machine refers to that as generator operation external rotor electric machine is for regenerative braking ground situation.
With reference to the electrical equipment connection scheme between the said units stator, be respectively arranged with rotor power connector separately in described each unit rotor, by the rotor power connector be electrically connected to, make each unit rotor be electrically connected to; The rotor power connector of described electrical connection during as generator operation is exactly the electric energy output block, thereby makes the rotor of this external rotor electric machine become power supply unit.
The described structure that is arranged on adjacent cells stator contact-making surface power source contact terminal employing inverse plugging, only have in the correct situation of two unit stator putting positions and could make adjacent two unit stators power supply contact terminal separately connect, and, at other incorrect putting position, these adjacent two unit stators power supply contact terminal separately can't connect.Described central part unit stator comprises the fixed part side power supply contact terminal be arranged on the contact-making surface of fixed part unit stator, and is arranged on the terminal part side power supply contact terminal on the contact-making surface of terminal part unit stator.The shape of the described fixed part side power supply contact terminal of a central part unit stator can only connect the terminal part side power supply contact terminal of other central part unit stator and the power supply contact terminal of fixed part unit stator, and can not connect the fixed part side power supply contact terminal of any other central part unit stator and the power supply contact terminal of terminal part unit stator.The shape of the described terminal part side power supply contact terminal of a central part unit stator can only connect the fixed part side power supply contact terminal of other central part unit stator and the power supply contact terminal of terminal part unit stator, and can not connect the terminal part side power supply contact terminal of any other central part unit stator and the power supply contact terminal of fixed part unit stator.
Mechanical structure connection scheme between a kind of unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric.Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axis direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial.Described through hole be take rotor axis as the setting of axle axial symmetry.
For concrete external rotor electric machine scheme, in described fixed part unit rotor, central part unit rotor and terminal part unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric.Except fixed part unit rotor, each unit rotor is processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, be processed with the pothole with internal thread on the contact-making surface of fixed part unit rotor, also screw in separately the pothole of described fixed part unit rotor with the bolt that passes respectively through hole, all unit rotor axial is fastening.Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
Mechanical structure connection scheme between another kind of unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, and another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric; Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial.Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
For concrete external rotor electric machine scheme, in described fixed part unit rotor, central part unit rotor and terminal part unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric.Except fixed part unit rotor, each unit rotor is processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, be processed with the pothole with internal thread on the contact-making surface of fixed part unit rotor, also screw in separately the pothole of described fixed part unit rotor with the bolt that passes respectively through hole, all unit rotor axial is fastening.Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
Mechanical structure connection scheme between another unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into the threaded frustum of a cone of tool, by screw threads for fastening, makes adjacent cells rotor taper screw connect.Radially screw at least two lock-screws at each power supply rotor outer peripheral face, or be pressed at least two rivets, or hammer at least two pins, thereby prevent that adjacent two unit rotors from rotating.Described lock-screw, rivet and pin are all with the setting of rotor axis symmetry axis axial symmetry.
Mechanical structure connection scheme between another unit rotor, the cylinder tubulose contact-making surface that has them to contact with each other between adjacent two unit rotors or frusto-conical face tubulose contact-making surface, a contact-making surface of two contact-making surfaces that will contact with each other by Technology for Heating Processing embeds another contact-making surface, thereby two unit rotors are connected.
Mechanical structure connection scheme between a kind of unit rotor that can also adopt, described external rotor electric machine also comprises the central column clips, the contact-making surface that has them to contact with each other between adjacent two unit rotors, by Technology for Heating Processing, described clips is nested on the outer peripheral face contact site of adjacent two unit rotors, thereby two unit rotors are connected.
A kind of concrete scheme of described external rotor electric machine output torque is fixedly installed gear, or is fixedly installed for driving the pulley of conveyer belt on arbitrary described unit rotor periphery, thereby exports driving torque by the periphery of unit rotor.Described gear and pulley are by integral forming process, or screw lock technique, or embedding cone pin technique is fixedly installed on unit rotor periphery.
For concrete external rotor electric machine scheme, on the periphery of central part unit rotor and/or terminal part unit rotor, be fixedly installed the wheel hub that is useful on installing wheel.Described wheel hub is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of central part unit rotor and/or terminal part unit rotor.
The another kind of output torque scheme for described external rotor electric machine concrete scheme is fixedly installed ring flange on the periphery of central part unit rotor and/or terminal part unit rotor.Described ring flange is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of unit rotor and/or terminal part unit rotor.By being pressed into technique or screw technique for fixing, the wheel hub for installing wheel is installed on described ring flange.
Sealing ring is set described on for the fixture that stator is installed, sealing circle contact inner rotor face, thus the space between canned rotor and fixture enters the rotor inboard to prevent dust or water.
Also need in water proof and dust proof to guarantee that the motor inner air flow is beneficial to heat radiation, described external rotor electric machine also comprises the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and conduit.Described conduit one end connects described air vent hole, and the other end is arranged on top or the bottom of External rotor electric machine rotor axis.
Particularly, described external rotor electric machine also comprises the valve be arranged on air vent hole.
Another kind of ventilating air heat sink conception, described external rotor electric machine also comprises the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and is arranged on the centrifugal valve on the rotor periphery.Described centrifugal valve also is communicated with described external rotor electric machine space outerpace and rotor inner space, and this centrifugal valve is subject to the centrifugal force of rotor generation and opens the formation centrifugal pump, and rotor inner space air is extracted out.
In like manner, described external rotor electric machine also comprises conduit.Described conduit one end connects described air vent hole, and the other end is arranged on External rotor electric machine rotor axis top or bottom.
And then described external rotor electric machine also comprises the valve be arranged on air vent hole.
For the concrete scheme of external rotor electric machine, described centrifugal valve is arranged in terminal part unit rotor, central part unit rotor and fixed part unit rotor on the periphery of any one.
Compared with the existing technology, the technique effect that the utility model " can change the external rotor electric machine of axial length " is:
1. the stator of motor and rotor are divided into to unit rotor and the unit stator that can independently be used as stator and rotor vertically, the compound mode of applicable unit stator and unit rotor can be chosen according to demand and just applicable external rotor electric machine can be made, because usable condition is many, production unit stator and unit rotor, reduced production cost in a large number; Owing to can being suitable for the many kinds of parameters demand, be beneficial to described external rotor electric machine universal;
2., if need the external rotor electric machine of five kinds of power outputs, prior art need to be manufactured respectively five kinds of special-purpose external rotor electric machines, and the utility model by the stator of external rotor electric machine and rotor according to axially being divided into terminal part, after central part and fixed part, only need to manufacture a kind of fixed part unit stator and unit rotor, a kind of terminal part unit stator and unit rotor, and five kinds of central part unit stators and unit rotor just can be assembled into five kinds of external rotor electric machines, fixed part unit stator and rotor due to five kinds of motors, and terminal part unit stator and rotor are all identical, so can significantly reduce development cost, and can save logistics, the stores keeping requisite space, thereby significantly reduce overall cost, realize the best of breed of the utility model external rotor electric machine volume production and sales volume,
3. by selecting filling component and central part filling component can make in some cases external rotor electric machine both meet multiple output parameter requirement, make again the axial length of this external rotor electric machine roughly remain unchanged, thereby described external rotor electric machine can change and multiple output parameter under same mounting structure condition, further improves the applicable working condition of external rotor electric machine.
The accompanying drawing explanation
Fig. 1 is the orthographic projection master apparent direction generalized section of the utility model first embodiment that " can change the external rotor electric machine of axial length ", and, because external rotor electric machine is to take rotor axis 1 as the symmetry axis axially symmetric structure, omitted the external rotor electric machine part of rotor axis 1 below in figure;
Fig. 2 is the power connector electrical connection schematic diagram that described the first embodiment is applicable to central part unit stator 4;
Fig. 3 is the power connector electrical equipment connection diagram that described the first embodiment is applicable to fixed part unit stator 3 and terminal part unit stator 5;
Fig. 4 is the orthographic projection master apparent direction generalized section of the utility model the second embodiment, because external rotor electric machine is to take rotor axis 1 as the symmetry axis axially symmetric structure, has omitted the external rotor electric machine part of rotor axis 1 below in figure.
It is as follows that above-mentioned number in the figure refers to device description:
1. rotor axis; 2. fixture; 3. fixed part unit stator; 4. central part unit stator; 5. terminal part unit stator; 6. driving shaft; 7. spline; 8. terminal part unit rotor; 9. central part unit rotor; 10. fixed part unit rotor; 11. packing ring; 12. bolt; 13. the male power supply contact terminal of central part unit stator 4; 14. the female power supply contact terminal of central part unit stator 4; 15. the stator coil of central part unit stator 4; 16. the male power supply contact terminal of fixed part unit stator 3; 17. the female power supply contact terminal of fixed part unit stator 3; 18. the stator coil of fixed part unit stator 3; 19. the stator track distributor of central part unit stator 4; 20. the stator track distributor of fixed part unit stator 3; 21. the terminal part unit rotor that taper pin is chimeric; 22. the central part unit rotor that taper pin is chimeric; 23. the fixed part unit rotor that taper pin is chimeric; 24. the taper pin fitting portion between fixed part unit rotor and central part unit rotor; 25. the taper pin fitting portion between central part unit rotor and terminal part unit rotor; 26. the pothole with internal thread; 27. through hole; 28. for imbedding the depression of bolt head.
Embodiment
Below in conjunction with each embodiment shown in accompanying drawing, be described in further detail.
The utility model proposes a kind of external rotor electric machine that can change axial length, as shown in figures 1 and 3, comprise the stator be arranged on fixture 2, and the rotor for exporting torque or input torque, rotating in the stator periphery coaxially.Described stator comprises at least two unit stators 3,4,5 that can complete separately separately the stator function, and each unit stator 3,4,5 removably coaxially links.Described rotor comprises at least two unit rotors 8,9,10 that can complete separately separately the rotor function, and each unit rotor 8,9,10 removably coaxially links.Thereby by dismounting or installation unit stator 3,4,5 and unit rotor 8,9,10, change the axial length of stator and rotor, make the free-extension vertically of described external rotor electric machine.
Only need to change the axial length of described external rotor electric machine at some, and do not change in motor input-output characteristic ground situation, for example, while being greater than the axial length of this external rotor electric machine for the space axial length that external rotor electric machine is installed, while perhaps needing to maintain the installation length of this external rotor electric machine under reducing external rotor electric machine output situation, described external rotor electric machine also comprises filling component, and described filling component is installed between two groups of adjacent cells stators and unit rotor.
The utility model proposes a kind of preferably implementation, link after the rotor of the stator be fixed of external rotor electric machine and rotation is divided into separately independently to three sections by axial direction and use.The unit stator and the unit rotor that are positioned at center replace to change the output characteristic of motor by the parts with different length, or change the regenerative braking power of external rotor electric machine, or the generate output of described external rotor electric machine while changing as generator operation.
The utility model the first embodiment can complete above-mentioned preferably implementation exactly, as shown in Figure 1, described stator comprises a fixed part unit stator 3 be arranged on fixture 2, a terminal part unit stator 5, and be clipped at least one the central part unit stator 4 between this fixed part unit stator 3 and terminal part unit stator 5.Correspondingly, described rotor comprises a fixed part unit rotor 10 in the 3 periphery rotations of fixed part unit stator, a terminal part unit rotor 8 that stator 5 peripheries in section unit are rotated endways, and be clipped at least one the central part unit rotor 9 between described fixed part unit rotor 10 and terminal part unit rotor 8.Only need to replace central part unit stator 4 and central part unit rotor 9 with different parts, just can be assembled into the external rotor electric machine that is applicable to the different parameters demand, reduced cost than producing brand-new special-purpose external rotor electric machine, realized that low-cost production is applicable to the external rotor electric machine of multiple output parameter.
Described external rotor electric machine also comprises the driving shaft 6 arranged along rotor axis 1, and this driving shaft 6 is fixedly connected with described rotor, with rotor, rotates.Particularly, described driving shaft 6 by spline embed, taper embeds, be pressed into at least one fixed form during bolt is fixing and be connected described rotor.The utility model the first embodiment, as shown in Figure 1, described driving shaft 6 embeds and is connected with terminal part unit rotor 8 with bolt fixed combination mode by spline.Described spline embedding refers in driving shaft 6 ends and is processed with spline 7, described terminal part unit rotor 8 is processed with the fixing hole that inwall is processed with spline vertically, by the spline of described driveshaft end and the frictional force between fixing hole hole wall spline, described driving shaft 6 is embedded in fixing hole, driving shaft 6 is fixedly connected with terminal part rotor 8.Simultaneously, described bolt fixedly refers to bolt 12 and by packing ring 11, described driving shaft 6 is fixed together with terminal part unit rotor 8.In addition, described taper embedding refers to is processed into taper by driveshaft end, described rotor is processed with the taper fixing hole vertically, by the frictional force between driveshaft end outer wall and 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 to the rotor fixing hole in the tight fit mode, and driving shaft is fixedly connected with rotor.
The utility model the first embodiment, fixed part unit stator 3 is arranged on fixture 2.Described fixture 2 refers to for the base of described external rotor electric machine is installed.And, when described external rotor electric machine uses as the driving vehicle, described fixture 2 refers to the car body of the vehicle for described external rotor electric machine is installed.Described fixture 2 can also be machine and the household appliances for described external rotor electric machine is installed.Described central part unit stator 4 is connected and fixed section's unit stator, and this central part unit stator 4 connects terminal part unit stator 5.
Mode as another kind output torque, described external rotor electric machine also comprises along described rotor axis 1 and is connected to fixed axis on fixture 2, described rotor connects described fixed axis rotationally by bearing, thereby by rotor axial end face or periphery output or input torque.With reference to the utility model the first embodiment, fixed axis can be rotationally connected to described terminal part unit rotor 8.Because rotor can rotate on the fixed axis fixed, so this kind of external rotor electric machine can be for the wheel hub motor of electricity energy driven vehicle.
Generally, described terminal part unit rotor 8 is for directly output torque, or by be fixedly connected on the 6 output torques of epitrochanterian driving shaft along rotor axis 1.
Only need to change the axial length of described external rotor electric machine at some, and do not change in motor input-output characteristic ground situation, described external rotor electric machine also comprises at least one central part filling component, described central part filling component is installed between two adjacent central part unit stators 4 and central part unit rotor 9, and/or be installed between terminal part unit stator 5 and terminal part unit rotor 8 and central part unit stator 4 and central part unit rotor 9, and/or be installed between central part unit stator 4 and central part unit rotor 9 and fixed part unit stator 3 and fixed part unit rotor 10, namely the central part filling component can be filled between any two groups of unit stators and unit rotor.
Described central part filling component can also replace described central part unit rotor 9 fully, and described stator comprises 3, one the terminal part unit stators 5 of fixed part unit stator that are arranged on fixture 2.Correspondingly, described rotor comprises 10, one terminal part unit rotors 8 that stator 5 peripheries in section unit are rotated endways of a fixed part unit rotor in the 3 periphery rotations of fixed part unit stator.Between fixed part unit stator 3 and fixed part unit rotor 10 and terminal part unit stator 5 and terminal part unit rotor 8, the central part filling component removably is installed, this programme is to replace the special circumstances of central part unit rotor 9 with the central part filling component.
As the electrical equipment connection scheme of external rotor electric machine, in described fixed part unit stator 3, central part unit stator 4 and terminal part unit stator 5, be respectively arranged with the stator power connector.Described stator power connector comprises at least one power supply contact terminal.Adjacent two unit stators are provided with the contact-making surface contacted with each other, described power supply contact terminal exposes from the contact-making surface of unit, place stator, by each power supply contact terminal, makes the stator power connector in fixed part unit stator 3, central part unit stator 4 and terminal part unit stator 5 be electrically connected to.
As shown in Figures 2 and 3, described stator power connector also comprises stator track distributor 19,20, and this stator track distributor 19,20 makes the coil of unit, power connector place stator be electrically connected to the power supply contact terminal.The electric current that described stator track distributor plays the effect ，Jiang mono-tunnel input of splitter or branch road device is divided into plural branch road output, and take is a plurality of device transmission of electric energy simultaneously.
Again as shown in Figures 2 and 3, described stator track distributor 19 applicable central part unit stators 4, the applicable terminal part unit stator 3 of described stator track distributor and terminal part unit stator 5.The power supply contact terminal of described unit stator forms the male and female structure.Stator track distributor 19 makes stator coil 15 two ends of central part unit stator 4 be electrically connected to respectively male power supply contact terminal 13 and female power supply contact terminal 14.During for fixed part unit stator 3, stator track distributor 20 makes stator coil 18 two ends of fixed part unit stator 3 be electrically connected to respectively male power supply contact terminal 16 and female power supply contact terminal 17.During for terminal part unit stator 5, owing to only needing to be electrically connected to central part unit stator 4, the stator track distributor makes the stator coil of terminal part unit stator be electrically connected to female power supply contact terminal.When being electrically connected to power connector, make the stator coil 18 of fixed part unit stator 3, the stator coil 15 of central part unit stator 4 and parallel electrical connection of stator coil of terminal part unit stator 5.For preventing the mistake assembling, described male and female power supply contact terminal should be used the difformity design.It is should shape different that Fig. 2 and Fig. 3 draw male and female power supply contact terminal with plush copper and pit signal, and in practical application, described power supply contact terminal should be to expose on adjacent cells stator contact-making surface surface, and should not protrude described contact-making surface.
The stator track distributor 20 electric connection of power supply parts of the stator power connector of described fixed part unit stator 3, be electrically connected to the stator power connector of central part unit stator 4 simultaneously, and be electrically connected to the stator coil 18 of this fixed part unit stator 3, thereby provide electric energy to the stator power connector of central part unit stator 4 and the stator coil 18 of fixed part unit stator 4 by described power supply unit simultaneously.
The stator track distributor 19 of the stator power connector of described central part unit stator 4 is electrically connected to the stator power connector of fixed part unit stator 3, be electrically connected to the stator power connector of terminal part unit stator 5 simultaneously, and be electrically connected to the stator coil 15 of this central part unit stator 4, thereby the power delivery that fixed part unit stator 3 is provided is to the stator power connector of terminal part unit stator 5 and the stator coil 15 of central part unit stator 4.
Described power supply unit comprises the independent power supply device that is arranged on separately described external rotor electric machine outside, and the rotor of described external rotor electric machine during as generator operation.Especially, when described external rotor electric machine is used for to vehicle traction, this external rotor electric machine refers to that as generator operation external rotor electric machine is for regenerative braking ground situation.
With reference to the electrical equipment connection scheme between the said units stator, be respectively arranged with rotor power connector separately in described each unit rotor, by the rotor power connector be electrically connected to, make each unit rotor be electrically connected to; The rotor power connector of described electrical connection during as generator operation is exactly the electric energy output block, thereby makes the rotor of this external rotor electric machine become power supply unit.
The described structure that is arranged on adjacent cells stator contact-making surface power source contact terminal employing inverse plugging, only have in the correct situation of two unit stator putting positions and could make adjacent two unit stators power supply contact terminal separately connect, and, at other incorrect putting position, these adjacent two unit stators power supply contact terminal separately can't connect.Described central part unit stator 4 comprises the fixed part side power supply contact terminal 14 be arranged on the contact-making surface of fixed part unit stator 3, and is arranged on the terminal part side power supply contact terminal 13 on the contact-making surface of terminal part unit stator 5.The shape of the described fixed part side power supply contact terminal 14 of a central part unit stator 4 can only connect the terminal part side power supply contact terminal 13 of other central part unit stator 4 and the power supply contact terminal of fixed part unit stator 3, and can not connect the fixed part side power supply contact terminal 14 of any other central part unit stator 4 and the power supply contact terminal of terminal part unit stator 5.The shape of the described terminal part side power supply contact terminal 13 of a central part unit stator 4 can only connect the fixed part side power supply contact terminal 14 of other central part unit stator 4 and the power supply contact terminal of terminal part unit stator 5, and can not connect the terminal part side power supply contact terminal 13 of any other central part unit stator 4 and the power supply contact terminal of fixed part unit stator 3.
Mechanical structure connection scheme between a kind of unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric.Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along rotor axis 1 direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial.Described through hole be take rotor axis as the setting of axle axial symmetry.
The utility model the second embodiment, as shown in Figure 4, for concrete external rotor electric machine scheme, in described fixed part unit rotor 23, central part unit rotor 22 and terminal part unit rotor 21, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric; Except fixed part unit rotor 23, each unit rotor 21,22 is processed with the through hole 27 of at least two penetrating element rotors 21,22 and this unit rotor contact-making surface along rotor axial 1 direction, be processed with the pothole 26 with internal thread on the contact-making surface of fixed part unit rotor 23, also screw in separately the pothole 27 of described fixed part unit rotor 23 with the bolt that passes respectively through hole 27, all unit rotor axial is fastening; Described through hole be take rotor axis 1 as the setting of symmetry axis axial symmetry.
Mechanical structure connection scheme between another kind of unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, and another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric; Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial; Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
For concrete external rotor electric machine scheme, in described fixed part unit rotor, central part unit rotor and terminal part unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric; Except fixed part unit rotor, each unit rotor is processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, be processed with the pothole with internal thread on the contact-making surface of fixed part unit rotor, also screw in separately the pothole of described fixed part unit rotor with the bolt that passes respectively through hole, all unit rotor axial is fastening; Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
Mechanical structure connection scheme between another unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into the threaded frustum of a cone of tool, by screw threads for fastening, makes adjacent cells rotor taper screw connect; Radially screw at least two lock-screws at each power supply rotor outer peripheral face, or be pressed at least two rivets, or hammer at least two pins, thereby prevent that adjacent two unit rotors from rotating; Described lock-screw, rivet and pin are all to take rotor axis 1 as the setting of symmetry axis axial symmetry.
Mechanical structure connection scheme between another unit rotor, the cylinder tubulose contact-making surface that has them to contact with each other between adjacent two unit rotors or frusto-conical face tubulose contact-making surface, a contact-making surface of two contact-making surfaces that will contact with each other by Technology for Heating Processing embeds another contact-making surface, thereby two unit rotors are connected.
Mechanical structure connection scheme between a kind of unit rotor that can also adopt, described external rotor electric machine also comprises the central column clips, the contact-making surface that has them to contact with each other between adjacent two unit rotors, by Technology for Heating Processing, described clips is nested on the outer peripheral face contact site of adjacent two unit rotors to 24,25, thereby two unit rotors are connected.
A kind of concrete scheme of described external rotor electric machine output torque is fixedly installed gear, or is fixedly installed for driving the pulley of conveyer belt on arbitrary described unit rotor periphery, thereby exports driving torque by the periphery of unit rotor; Described gear and pulley are by integral forming process, or screw lock technique, or embedding cone pin technique is fixedly installed on unit rotor periphery.
For concrete external rotor electric machine scheme, on the periphery of central part unit rotor 9 and/or terminal part unit rotor 8, be fixedly installed the wheel hub that is useful on installing wheel; Described wheel hub is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of central part unit rotor 9 and/or terminal part unit rotor 8.
The another kind of output torque scheme for described external rotor electric machine concrete scheme is fixedly installed ring flange on the periphery of central part unit rotor 9 and/or terminal part unit rotor 8.Described ring flange is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of unit rotor and/or terminal part unit rotor.By being pressed into technique or screw technique for fixing, the wheel hub for installing wheel is installed on described ring flange.
Sealing ring is set described on for the fixture 2 that stator is installed, sealing circle contact inner rotor face, thus the space between canned rotor and fixture enters the rotor inboard to prevent dust or water.
Also need in water proof and dust proof to guarantee that the motor inner air flow is beneficial to heat radiation, described external rotor electric machine also comprises the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and conduit.Described conduit one end connects described air vent hole, and the other end is arranged on top or the bottom of External rotor electric machine rotor axis 1.
Particularly, described external rotor electric machine also comprises the valve be arranged on air vent hole.
Another kind of ventilating air heat sink conception, described external rotor electric machine also comprises the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and is arranged on the centrifugal valve on the rotor periphery; Described centrifugal valve also is communicated with described external rotor electric machine space outerpace and rotor inner space, and this centrifugal valve is subject to the centrifugal force of rotor generation and opens the formation centrifugal pump, and rotor inner space air is extracted out.
In like manner, described external rotor electric machine also comprises conduit.Described conduit one end connects described air vent hole, and the other end is arranged on External rotor electric machine rotor axis 1 top or bottom.
And then described external rotor electric machine also comprises the valve be arranged on air vent hole.
For the concrete scheme of external rotor electric machine, described centrifugal valve is arranged in terminal part unit rotor 8, central part unit rotor 9 and fixed part unit rotor 10 on the periphery of any one.
Even run into the multiple use demand, multiple input-output characteristic demand, the utility model does not need to produce respectively multiple special-purpose external rotor electric machine yet, only need unit stator and the unit rotor of preparing some quantity to be assembled into by different combination assembling modes the external rotor electric machine that meets demand, thereby the utility model can significantly enhance productivity, reduce complete machine motor stock.The power connector of the utility model unit stator kind makes the parallel electrical connection of stator coil, and assembly and connection is convenient, and the protective design to avoid insterting by mistake of power supply contact terminal prevents the mistake assembling.
Claims (34)
1. the external rotor electric machine that can change axial length, comprise the stator be arranged on fixture (2), and the rotor for exporting torque or input torque, rotating in the stator periphery coaxially; It is characterized in that:
Described stator comprises at least two unit stators (3,4,5) that can complete separately separately the stator function, and each unit stator (3,4,5) removably coaxially links;
Described rotor comprises at least two unit rotors (8,9,10) that can complete separately separately the rotor function, and each unit rotor (8,9,10) removably coaxially links;
Thereby by dismounting or installation unit stator (3,4,5) and unit rotor (8,9,10), change the axial length of stator and rotor, make the free-extension vertically of described external rotor electric machine.
2. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
Also comprise the driving shaft (6) arranged along rotor axis (1), this driving shaft (6) is fixedly connected with described rotor, with rotor, rotates.
3. the external rotor electric machine that can change axial length according to claim 2 is characterized in that:
Described driving shaft (6) by spline embed, taper embeds, be pressed into at least one fixed form during bolt is fixing and be connected described rotor.
4. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
Also comprise along described rotor axis (1) and be connected to the upper fixed axis of fixture (2), described rotor connects described fixed axis rotationally by bearing, thereby by rotor axial end face or periphery output or input torque.
5. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
Also comprise filling component, described filling component is installed between two groups of adjacent cells stators and unit rotor.
6. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
Described stator comprises a fixed part unit stator (3) be arranged on fixture (2), a terminal part unit stator (5), and be clipped at least one the central part unit stator (4) between this fixed part unit stator (3) and terminal part unit stator (5);
Correspondingly, described rotor comprises a fixed part unit rotor (10) in the rotation of fixed part unit stator (3) periphery, a terminal part unit rotor (8) that section unit stator (5) periphery is rotated endways, and be clipped at least one the central part unit rotor (9) between described fixed part unit rotor (10) and terminal part unit rotor (8).
7. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Described terminal part unit rotor (8) is for directly output torque, or by be fixedly connected on epitrochanterian driving shaft (6) output torque along rotor axis (1).
8. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Described fixture (2) refers to for the base of described external rotor electric machine is installed, or the car body of vehicle.
9. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Also comprise at least one central part filling component, described central part filling component is installed between two adjacent central part unit stators (4) and central part unit rotor (9),
And/or be installed between terminal part unit stator (5) and terminal part unit rotor (8) and central part unit stator (4) and central part unit rotor (9),
And/or be installed between central part unit stator (4) and central part unit rotor (9) and fixed part unit stator (3) and fixed part unit rotor (10).
10. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
Described stator comprises a fixed part unit stator (3) be arranged on fixture (2), a terminal part unit stator (5);
Correspondingly, described rotor comprises a fixed part unit rotor (10) in the rotation of fixed part unit stator (3) periphery, a terminal part unit rotor (8) that section unit stator (5) periphery is rotated endways;
Between fixed part unit stator (3) and fixed part unit rotor (10) and terminal part unit stator (5) and terminal part unit rotor (8), the central part filling component removably is installed.
11. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Be respectively arranged with the stator power connector in described fixed part unit stator (3), central part unit stator (4) and terminal part unit stator (5); Described stator power connector comprises at least one power supply contact terminal; Adjacent two unit stators are provided with the contact-making surface contacted with each other, described power supply contact terminal exposes from the contact-making surface of unit, place stator, by each power supply contact terminal, makes the stator power connector in fixed part unit stator (3), central part unit stator (4) and terminal part unit stator (5) be electrically connected to.
12. the external rotor electric machine that can change axial length according to claim 11 is characterized in that:
Described stator power connector also comprises stator track distributor (19,20), and this stator track distributor (19,20) makes the coil of unit, power connector place stator be electrically connected to the power supply contact terminal.
13. the external rotor electric machine that can change axial length according to claim 12 is characterized in that:
Stator track distributor (20) the electric connection of power supply parts of the stator power connector of described fixed part unit stator (3), be electrically connected to the stator power connector of central part unit stator (4) simultaneously, and be electrically connected to the stator coil (18) of this fixed part unit stator (3), thereby provide electric energy to the stator power connector of central part unit stator (4) and the stator coil (18) of fixed part unit stator (4) by described power supply unit simultaneously.
14. the external rotor electric machine that can change axial length according to claim 12 is characterized in that:
The stator track distributor (19) of the stator power connector of described central part unit stator (4) is electrically connected to the stator power connector of fixed part unit stator (3), be electrically connected to the stator power connector of terminal part unit stator (5) simultaneously, and be electrically connected to the stator coil (15) of this central part unit stator (4), thereby the power delivery that fixed part unit stator (3) is provided is to the stator power connector of terminal part unit stator (5) and the stator coil (15) of central part unit stator (4).
15. the external rotor electric machine that can change axial length according to claim 13 is characterized in that:
Described power supply unit comprises the independent power supply device that is arranged on separately described external rotor electric machine outside, and the rotor of described external rotor electric machine during as generator operation.
16. the external rotor electric machine that can change axial length according to claim 15 is characterized in that:
Be respectively arranged with rotor power connector separately in described each unit rotor, by the rotor power connector be electrically connected to, make each unit rotor be electrically connected to;
The rotor power connector of described electrical connection during as generator operation is exactly the electric energy output block, thereby makes the rotor of this external rotor electric machine become power supply unit.
17. the external rotor electric machine that can change axial length according to claim 11 is characterized in that:
Described central part unit stator (4) comprises the fixed part side power supply contact terminal (14) be arranged on the contact-making surface of fixed part unit stator (3), and is arranged on the terminal part side power supply contact terminal (13) on the contact-making surface of terminal part unit stator (5);
The shape of the described fixed part side power supply contact terminal (14) of a central part unit stator (4) can only connect the terminal part side power supply contact terminal (13) of other central part unit stator (4) and the power supply contact terminal of fixed part unit stator (3), and can not connect the fixed part side power supply contact terminal (14) of any other central part unit stator (4) and the power supply contact terminal of terminal part unit stator (5);
The shape of the described terminal part side power supply contact terminal (13) of a central part unit stator (4) can only connect the fixed part side power supply contact terminal (14) of other central part unit stator (4) and the power supply contact terminal of terminal part unit stator (5), and can not connect the terminal part side power supply contact terminal (13) of any other central part unit stator (4) and the power supply contact terminal of fixed part unit stator (3).
18. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
The contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric;
Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along rotor axis (1) direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial;
Described through hole be take rotor axis as the setting of axle axial symmetry.
19. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
In described fixed part unit rotor (23), central part unit rotor (22) and terminal part unit rotor (21), the contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into frustum of a cone, thereby make adjacent cells rotor taper pin chimeric;
Except fixed part unit rotor (23), each unit rotor (21,22) is processed with the through hole (27) of at least two penetrating element rotors (21,22) and this unit rotor contact-making surface along rotor axial (1) direction, be processed with the pothole (26) with internal thread on the contact-making surface of fixed part unit rotor (23), also screw in separately the pothole (27) of described fixed part unit rotor (23) with the bolt that passes respectively through hole (27), all unit rotor axial is fastening;
Described through hole be take rotor axis (1) as the setting of symmetry axis axial symmetry.
20. the external rotor electric machine that can change axial length according to claim 1 is characterized in that:
The contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, and another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric;
Be processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, by passing respectively the bolt of through hole, and the nut of adaptive each bolt is fastening by all unit rotor axial;
Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
21. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
In described fixed part unit rotor, central part unit rotor and terminal part unit rotor, the contact-making surface that has them to contact with each other between adjacent two unit rotors, one of two contact-making surface contacted with each other is processed to concave surface, and another is processed to convex surface, thereby makes adjacent cells rotor recess chimeric;
Except fixed part unit rotor, each unit rotor is processed with the through hole of at least two penetrating element rotors and this unit rotor contact-making surface along the rotor axial direction, be processed with the pothole with internal thread on the contact-making surface of fixed part unit rotor, also screw in separately the pothole of described fixed part unit rotor with the bolt that passes respectively through hole, all unit rotor axial is fastening;
Described through hole be take rotor axis as the setting of symmetry axis axial symmetry.
22., according to claim 1 or the 6 described external rotor electric machines that can change axial length, it is characterized in that:
The contact-making surface that has them to contact with each other between adjacent two unit rotors, it is planar that two contact-making surfaces that contact with each other are processed into the threaded frustum of a cone of tool, by screw threads for fastening, makes adjacent cells rotor taper screw connect;
Radially screw at least two lock-screws at each power supply rotor outer peripheral face, or be pressed at least two rivets, or hammer at least two pins, thereby prevent that adjacent two unit rotors from rotating;
Described lock-screw, rivet and pin are all to take rotor axis (1) as the setting of symmetry axis axial symmetry.
23. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
The cylinder tubulose contact-making surface that has them to contact with each other between adjacent two unit rotors or frusto-conical face tubulose contact-making surface, a contact-making surface of two contact-making surfaces that will contact with each other by Technology for Heating Processing embeds another contact-making surface, thereby two unit rotors are connected.
24. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Also comprise the central column clips, the contact-making surface that has them to contact with each other between adjacent two unit rotors, be nested in described clips by Technology for Heating Processing on the outer peripheral face contact site of adjacent two unit rotors (24,25), thereby two unit rotors are connected.
25., according to claim 1 or the 6 described external rotor electric machines that can change axial length, it is characterized in that:
Be fixedly installed gear on arbitrary described unit rotor periphery, or be fixedly installed for driving the pulley of conveyer belt, thereby export driving torque by the periphery of unit rotor;
Described gear and pulley are by integral forming process, or screw lock technique, or embedding cone pin technique is fixedly installed on unit rotor periphery.
26. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Be fixedly installed the wheel hub that is useful on installing wheel on the periphery of central part unit rotor (9) and/or terminal part unit rotor (8);
Described wheel hub is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of central part unit rotor (9) and/or terminal part unit rotor (8).
27. the external rotor electric machine that can change axial length according to claim 6 is characterized in that:
Be fixedly installed ring flange on the periphery of central part unit rotor (9) and/or terminal part unit rotor (8);
Described ring flange is by integral forming process, or is pressed into technique, or the screw technique for fixing is fixedly installed on the periphery of unit rotor and/or terminal part unit rotor;
By being pressed into technique or screw technique for fixing, the wheel hub for installing wheel is installed on described ring flange.
28., according to claim 1 or the 6 described external rotor electric machines that can change axial length, it is characterized in that:
Sealing ring is set described on for the fixture (2) that stator is installed, sealing circle contact inner rotor face, thus the space between canned rotor and fixture enters the rotor inboard to prevent dust or water.
29. the external rotor electric machine that can change axial length according to claim 28 is characterized in that:
Also comprise the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and conduit; Described conduit one end connects described air vent hole, and the other end is arranged on top or the bottom of External rotor electric machine rotor axis (1).
30. the external rotor electric machine that can change axial length according to claim 29 is characterized in that:
Also comprise the valve be arranged on air vent hole.
31. the external rotor electric machine that can change axial length according to claim 28 is characterized in that:
Also comprise the air vent hole that is communicated with described external rotor electric machine space outerpace and rotor inner space, and be arranged on the centrifugal valve on the rotor periphery;
Described centrifugal valve also is communicated with described external rotor electric machine space outerpace and rotor inner space, and this centrifugal valve is subject to the centrifugal force of rotor generation and opens the formation centrifugal pump, and rotor inner space air is extracted out.
32. the external rotor electric machine that can change axial length according to claim 31 is characterized in that:
Also comprise conduit; Described conduit one end connects described air vent hole, and the other end is arranged on External rotor electric machine rotor axis (1) top or bottom.
33. the external rotor electric machine that can change axial length according to claim 32 is characterized in that:
Also comprise the valve be arranged on air vent hole.
34. the external rotor electric machine that can change axial length according to claim 31 is characterized in that:
Described centrifugal valve is arranged in terminal part unit rotor (8), central part unit rotor (9) and fixed part unit rotor (10) on the periphery of any one.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011159374A JP2013017369A (en) | 2011-07-02 | 2011-07-02 | Coupled type outer rotor motor |
| JP2011-159374 | 2011-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202957726U true CN202957726U (en) | 2013-05-29 |
Family
ID=47403333
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210221868.5A Active CN102857051B (en) | 2011-07-02 | 2012-07-01 | The external rotor electric machine of axial length can be changed |
| CN 201220312462 Expired - Lifetime CN202957726U (en) | 2011-07-01 | 2012-07-01 | External rotor motor capable of changing axial length |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210221868.5A Active CN102857051B (en) | 2011-07-02 | 2012-07-01 | The external rotor electric machine of axial length can be changed |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2013017369A (en) |
| CN (2) | CN102857051B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857051A (en) * | 2011-07-02 | 2013-01-02 | 高野回转电机研究所有限公司 | External rotor motor capable of changing axial length |
| CN113904480A (en) * | 2021-11-03 | 2022-01-07 | 广东上水能源科技有限公司 | Novel speed-changing energy-saving brushless double-fed motor |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1084661A (en) * | 1996-09-10 | 1998-03-31 | Ebara Corp | Magnetic levitation motor |
| JPWO2007105319A1 (en) * | 2006-03-10 | 2009-07-30 | 白川 義章 | Generator, power generation method and motor |
| JP2007330018A (en) * | 2006-06-07 | 2007-12-20 | Denso Corp | Rotor for tandem alternator |
| CN201167272Y (en) * | 2008-02-29 | 2008-12-17 | 佑亮精密股份有限公司 | Multilayer power generating apparatus |
| CN101651392A (en) * | 2008-08-15 | 2010-02-17 | 孙尤民 | Multi-disc multipath high-efficiency motor |
| JP2013017369A (en) * | 2011-07-02 | 2013-01-24 | Tadashi Takano | Coupled type outer rotor motor |
-
2011
- 2011-07-02 JP JP2011159374A patent/JP2013017369A/en not_active Withdrawn
-
2012
- 2012-07-01 CN CN201210221868.5A patent/CN102857051B/en active Active
- 2012-07-01 CN CN 201220312462 patent/CN202957726U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102857051A (en) * | 2011-07-02 | 2013-01-02 | 高野回转电机研究所有限公司 | External rotor motor capable of changing axial length |
| CN102857051B (en) * | 2011-07-02 | 2016-11-23 | 高野正 | The external rotor electric machine of axial length can be changed |
| CN113904480A (en) * | 2021-11-03 | 2022-01-07 | 广东上水能源科技有限公司 | Novel speed-changing energy-saving brushless double-fed motor |
| CN113904480B (en) * | 2021-11-03 | 2023-07-14 | 广东上水能源科技有限公司 | Novel variable-speed energy-saving brushless double-fed motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102857051A (en) | 2013-01-02 |
| CN102857051B (en) | 2016-11-23 |
| JP2013017369A (en) | 2013-01-24 |
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| AV01 | Patent right actively abandoned |
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