CN102390252A - Intelligent clutch of electric automobile hub motor - Google Patents
Intelligent clutch of electric automobile hub motor Download PDFInfo
- Publication number
- CN102390252A CN102390252A CN2011102766011A CN201110276601A CN102390252A CN 102390252 A CN102390252 A CN 102390252A CN 2011102766011 A CN2011102766011 A CN 2011102766011A CN 201110276601 A CN201110276601 A CN 201110276601A CN 102390252 A CN102390252 A CN 102390252A
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- clutch
- follower
- driving wheel
- ball
- reverse
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Abstract
The invention discloses an intelligent clutch of an electric automobile hub motor, comprising a positive clutch and a reverse clutch, wherein the positive clutch is a single-phase automatic clutch; the reverse clutch is a single-phase electric clutch. The positive clutch is in a combined state automatically because of automatic control of external control system when the motor drives the automobile to advance; and a driving wheel transmits the power to a driven wheel through the clutch. The positive clutch is automatically switched into a separated state when the automobile slides, and the wheels freely rotate without dragging force to the motor. The reverse clutch is in the combined state only when backing off or braking, and is in the separated state at other moments. The reverse clutch is controlled by an external instruction to change into the combined state when backing off, and the driving wheel drives the driven wheel to reversely rotate; the positive clutch is in the separated state when braking, simultaneously, the reverse clutch is controlled by the external instruction to change into the combined state, and the wheels drive the hub motor to rotate and generate electricity through the reverse clutch and recover energy.
Description
Technical field
The present invention relates to a kind of electric powered motor transfer device, exactly is a kind of hub motor for electric automobile intelligence power-transfer clutch.
Technical background
Under the research and development upsurge promotion of electronlmobil in worldwide, more multi-form drive motor is developed, the more simple and direct wheel hub motor that reasonably surely belongs in the middle of this; It is simple in structure; Only need motor is contained in the automotive hub, saved expensive and loaded down with trivial details mechanical driving part, it is little to take motor space; Automobile installs additional conveniently, especially is fit to the dual-use with gasoline and electricity car.But wheel hub motor also has very important shortcoming; When occurring the serious short circuited fault of machine winding in the process of especially running at high speed; The phenomenon that the motor locking can occur, at this time wheel is stuck can not rotate or very difficult the rotation, and vehicle traveling direction can squint; Jeopardize people's safety, and if drag the danger that automobile causes fire in addition.
Some electric bicycle hub motor adopts automatic single-phase power-transfer clutch scheme; Power-transfer clutch combined automatically when the electric motor starting bicycle advanced; Motor is not during output drive strength during bicycle coasting; Power-transfer clutch separates automatically, and bicycle drags the resistance that brings to motor when sliding with minimizing, increases the continuation of the journey mileage.But this scheme can not be used for electronlmobil, because this scheme slides or motor when reversing power-transfer clutch separates automatically at vehicle, automobile has lost car-backing function, and can not the dragging motor generating when sliding, and energy recovery is not just known where to begin yet.
Break away from the resistance meeting energy savings of motor when letting automobile slide, this advantage is obvious, can not be adopted by electronlmobil absolutely but lost the motor that reverses gear with energy recovery function.
Summary of the invention
Advantage and defective in view of above-mentioned automatic clutch formula motor; The purpose of this invention is to provide a kind of hub motor for electric automobile intelligence power-transfer clutch that possesses practicality; Under the prerequisite of not losing any function of electronlmobil, can only control the power delivery status between motor and the wheel, not dragging motor and the advantage that prolongs coasting distance when both having embodied automobile slide; Possessed car-backing function again, when brake, can also realize energy recovery simultaneously.For realizing above-mentioned purpose; The present invention has adopted following technical scheme: hub motor for electric automobile intelligence power-transfer clutch; Be made up of forward clutch and reverse clutch, forward clutch is made up of the ball orbit 23 that is located at ball 16, oblique ball slideway 17, the ball spring 18 on the driving wheel and be located on the follower; Reverse clutch is made up of the movable arm axle 21 of power-transfer clutch movable arm 20, reverse clutch, electromagnet 4, elastic rod 22, carbon brush 15, conductive copper 14 and the oblique teeth groove 24 that is located on the follower; It is characterized in that: driving wheel 2 is installed together with rotor; Wheel is equipped with in follower 1 outside; Forward clutch is single-phase self-acting clutch, and driving wheel 2 is by driving that direction that automobile advances is rotated and speed when being higher than follower 1 rotating speed, and follower 1 moves to relative reversing sense for driving wheel 2; Receive function of friction between ball and the follower ball orbit; The reversing sense motion that ball 16 rotates to driving wheel 2, the power of ball motion decomposites a squeese pressure to follower ball orbit direction under the effect of oblique slideway 17, when ball that this power caused and the friction force between the follower ball slideway face greater than the follower load time; Driving wheel and follower combine interlock, and it is that forward clutch is bonding state automatically that driving wheel passes to follower with mechanical energy; When driving wheel backward rotation or driving wheel rotating speed are reversing automobile or when sliding less than the follower rotating speed; Ball can be to the opposite direction motion of above-mentioned ball sense of motion under follower ball orbit function of friction; Owing to no longer receive the extruding of oblique chute wall during the ball motion; So do not produce the squeese pressure to the follower direction, driving wheel and follower can not link, and it is that forward clutch becomes released state automatically that driving wheel can not pass to follower with mechanical energy; Reverse clutch is for receiving external management system automatically controlled electric control clutch; Automatic control signal is controlled the electromagnet that is installed on the driving wheel through carbon brush and conductive copper; And then drive power-transfer clutch movable arm action; Thereby control clutch is released state when electromobile advances, and when reversing is perhaps braked, is bonding state, reduces the effect of resistance during with realization reversing and energy recovery function and automobile slide.
The present invention has significant advantage and beneficial effect compared with prior art.Can be known that by above technical scheme after the automotive hub motor had adopted technique scheme, when electromobile advanced, forward clutch combined automatically, motor passes to wheel with mechanical energy; Reset at auto pedal, motor stops to drive when being automobile slide, and forward clutch is separated automatically, and motor and wheel do not transmit energy mutually, and automobile can not increase resistance, reduce coasting distance because dragging motor rotates; During reversing, reverse clutch combines, and reversing freely; During the brake car, reverse clutch combines, and wheel drives motor and rotates generating, realizes energy recovery.
Description of drawings
Fig. 1 is hub motor for electric automobile intelligence power-transfer clutch installation site scheme drawing on wheel hub motor.
Fig. 2 is the forward clutch structural representation.
Fig. 3 is the reverse clutch structural representation.
Fig. 4 is follower ball orbit and oblique slideway schematic cross section.
Accompanying drawing major part description of symbols
Among Fig. 1 to Fig. 4,1 follower, 2 driving wheels, 3 follower end caps, 4 electromagnet; 5 drive wheel bearings, 6 follower bearings, 7 motor shafts, 8 wire holes, 9 brake disc fix screws; 10 wheel fix screws, 11 motor stator winding, 12 rotor permanent magnets, 13 conductive copper insulcretes, 14 conductive copper; 15 carbon brush, 16 forward clutch balls, the oblique slideway of 17 forward clutch balls, 18 forward clutch ball springs, 19 forward clutch push rods; 20 reverse clutch movable arms, the movable arm axle of 21 reverse clutches, 22 elastic rods, 23 ball orbits, 24 oblique teeth groove.
The specific embodiment
Below in conjunction with accompanying drawing and preferred embodiment,, specify as follows its specific embodiment, structure, characteristic and the effect thereof that proposes according to the present invention.
See also Fig. 1 to shown in Figure 4; Hub motor for electric automobile intelligence power-transfer clutch of the present invention; Be made up of forward clutch and reverse clutch, forward clutch is made up of the ball orbit 23 that is located at ball 16, oblique ball slideway 17, the ball spring 18 on the driving wheel and be located on the follower; Reverse clutch is made up of the movable arm axle 21 of power-transfer clutch movable arm 20, reverse clutch, electromagnet 4, carbon brush 15, conductive copper 14 and the oblique teeth groove 24 that is located on the follower; It is characterized in that: driving wheel 2 is installed together with rotor; Wheel is equipped with in follower 1 outside; Forward clutch and reverse clutch are located at respectively in the inboard space of two end caps of follower, leave 500 microns gap between driving wheel and the follower.
See also Fig. 2, Fig. 4; Forward clutch is automatic free-wheel clutch, and the movable part spring 18 of forward clutch, push rod 19 and cylindrical ball 16 are installed in the oblique ball slideway 17 of driving wheel 2 outer circular edge, and slideway is 10 degree with the tangent line angle of crossing slideway and follower cylindrical intersection point; The diameter of cylindrical ball is 10 millimeters; Push rod is a cuboid, and ball receives the promotion of the push rod under the action of the spring all the time, and maintenance contacts with the follower ball orbit.When driving wheel 2 rotates according to the direction of arrow indication and speed when being higher than follower 1 rotating speed; Follower 1 moves to relative reversing sense for driving wheel 2; Receive function of friction between ball and the follower ball orbit, the reversing sense motion that ball 16 rotates to driving wheel 2, the power of ball motion decomposites a squeese pressure to follower ball orbit direction under the effect of oblique slideway 17; This power can increase the friction force between ball and the follower ball slideway face; When ball that this power caused and the friction force between the follower ball slideway face greater than the follower load time, driving wheel and follower combine interlock, and driving wheel is big more to the drawing force of follower; This binding force is big more, and it is that forward clutch is bonding state automatically that driving wheel passes to follower with mechanical energy; When driving wheel backward rotation or driving wheel rotating speed are reversing automobile or when sliding less than the follower rotating speed; Ball can be to the opposite direction motion of above-mentioned ball sense of motion under follower ball orbit function of friction; Owing to no longer receive the extruding of oblique chute wall during the ball motion; So do not produce the squeese pressure to follower ball orbit direction, driving wheel and follower can not link, and it is that forward clutch becomes released state automatically that driving wheel can not pass to follower with mechanical energy.Even motor did not change automobile and can continue to slide yet this moment.In even go during the machine winding short circuit rotor locking can not cause wheel lockup yet, reduced the danger of driving, bring convenience also for the automobile that drags fault, the sliding state during driving also can be saved a large amount of electric energy.
See also Fig. 3, reverse clutch is for receiving external management system automatically controlled electric control clutch, and the electromagnet 4 in the reverse clutch is installed on the driving wheel 2; Control line is drawn outside the machine through carbon brush 15 and conductive copper 14, and an end of reverse clutch arm 20 has reverse clutch arm axle 21 to be fixed on the driving wheel 2, and reverse clutch arm 20 can rotate around reverse clutch arm axle axle; Being connected with adapter shaft with elastic rod of reverse clutch arm, pipe link can rotate around this adapter shaft wide-angle, and the other end of elastic rod and electromagnet flexibly connect; Reverse clutch one side of follower; The inside circumference of corresponding reverse clutch movable arm position is provided with a plurality of and the cooresponding oblique teeth groove of reverse clutch arm profile, and being fixed on the driving wheel of electromagnet controlled direct bonding in the lead-in wire for two of electromagnet; Another root is drawn outside the machine through conductive copper 14 and carbon brush 15; When the relative follower of driving wheel braked in i.e. reversing of the motion of direction shown in the arrow or running car, exterior management system automatic guidance electromagnet was pushed the reverse clutch arm in the follower teeth groove to, and driving wheel combines interlock with follower; Mechanical energy is transmitted between driving wheel and follower through the reverse clutch arm; Exterior management system makes electromagnet retract the reverse clutch arm, and reverse clutch separates, no mechanical energy transmission between driving wheel and the follower.
The present invention is simple in structure; Production, easy to use; Solved effectively in the electric automobile during traveling owing to the safety problem that causes wheel lockup to bring of wheel hub motor short circuit in winding, slided the process saves energy, the automatic guidance wheel drives electric power generation during brake; To battery energy storage, increase the continuation of the journey mileage of electronlmobil.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any form and structural restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (4)
1. a hub motor for electric automobile intelligence power-transfer clutch is made up of forward clutch and reverse clutch, and forward clutch is made up of the ball orbit 23 that is located at ball 16, oblique ball slideway 17, the ball spring 18 on the driving wheel and be located on the follower; Reverse clutch is made up of the movable arm axle 21 of power-transfer clutch movable arm 20, reverse clutch, electromagnet 4, elastic rod 22, carbon brush 15, conductive copper 14 and the oblique teeth groove 24 that is located on the follower; It is characterized in that: driving wheel 2 is installed together with rotor; Wheel is equipped with in follower 1 outside, and forward clutch is single-phase self-acting clutch, when the speed that driving wheel 2 rotates by the direction that the driving automobile advances is higher than follower 1 rotating speed; Follower 1 moves to relative reversing sense for driving wheel 2; Receive function of friction between ball and the follower ball orbit face, the reversing sense motion that ball 16 rotates to driving wheel 2, the power of ball motion decomposites a squeese pressure to the follower direction under the effect of oblique slideway 17; So driving wheel and follower combine interlock under the effect of this power; Driving wheel is big more to the drawing force of follower, and this binding force is big more, and it is that forward clutch is bonding state automatically that driving wheel passes to follower with mechanical energy; When driving wheel backward rotation or driving wheel rotating speed are reversing automobile or when sliding less than the follower rotating speed; Ball can be to the opposite direction motion of above-mentioned ball sense of motion under follower ball orbit function of friction; Owing to no longer receive the extruding of oblique chute wall during the ball motion; So do not produce the squeese pressure to the follower direction, driving wheel and follower can not link, and it is that forward clutch becomes released state automatically that driving wheel can not pass to follower with mechanical energy; Reverse clutch is for receiving external management system automatically controlled electric control clutch; Automatic control signal is controlled the electromagnet that is installed on the driving wheel through carbon brush and conductive copper; And then drive power-transfer clutch movable arm action; Thereby control clutch is released state when electromobile advances, and when reversing is perhaps braked, is bonding state, reduces the effect of resistance during with realization reversing and energy recovery function and automobile slide.
2. hub motor for electric automobile intelligence power-transfer clutch according to claim 1, described ball is the cylinder ball of 10 millimeters of diameters, receives the promotion of the push rod under the action of the spring all the time, maintenance contacts with follower ball orbit face.
3. the gap that is provided with 500 microns between the hub motor for electric automobile according to claim 1 intelligence power-transfer clutch, described driving wheel and follower is to prevent the mutual friction mutually of driving wheel and follower.
4. hub motor for electric automobile intelligence power-transfer clutch according to claim 1; Described forward clutch and reverse clutch are located at respectively in the inboard space of two end caps of follower; The electromagnet of one of reverse clutch assembly is installed on the driving wheel, and control line is drawn outside the machine through carbon brush and conductive copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102766011A CN102390252A (en) | 2011-09-19 | 2011-09-19 | Intelligent clutch of electric automobile hub motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102766011A CN102390252A (en) | 2011-09-19 | 2011-09-19 | Intelligent clutch of electric automobile hub motor |
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| CN102390252A true CN102390252A (en) | 2012-03-28 |
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| CN2011102766011A Pending CN102390252A (en) | 2011-09-19 | 2011-09-19 | Intelligent clutch of electric automobile hub motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742729A (en) * | 2015-02-05 | 2015-07-01 | 华中科技大学 | Hub motor electromagnetic clutch device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228049A1 (en) * | 1985-12-20 | 1987-07-08 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Propulsion system for motor vehicles, especially for motor cars |
| US6447420B1 (en) * | 1999-05-20 | 2002-09-10 | Teijin Seiki Co., Ltd. | Power transmission mechanism |
| CN1815857A (en) * | 2005-02-05 | 2006-08-09 | 毛世琨 | Wheel-hub motor planetary automatic speed-changing system |
| CN200997546Y (en) * | 2007-01-12 | 2007-12-26 | 苏州扬名机电有限公司 | Hub motor of double-speed electric automobile with positive and reversing rotation speed variation |
| CN101304197A (en) * | 2007-05-09 | 2008-11-12 | 毛世琨 | Controllable bidirectional exceed on-off automatic shelves-changing motor |
| JP4364395B2 (en) * | 2000-04-10 | 2009-11-18 | 本田技研工業株式会社 | Power transmission device |
| CN202264633U (en) * | 2011-09-19 | 2012-06-06 | 尹永河 | Intelligent clutch of hub motor for electric automobile |
-
2011
- 2011-09-19 CN CN2011102766011A patent/CN102390252A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0228049A1 (en) * | 1985-12-20 | 1987-07-08 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Propulsion system for motor vehicles, especially for motor cars |
| US6447420B1 (en) * | 1999-05-20 | 2002-09-10 | Teijin Seiki Co., Ltd. | Power transmission mechanism |
| JP4364395B2 (en) * | 2000-04-10 | 2009-11-18 | 本田技研工業株式会社 | Power transmission device |
| CN1815857A (en) * | 2005-02-05 | 2006-08-09 | 毛世琨 | Wheel-hub motor planetary automatic speed-changing system |
| CN200997546Y (en) * | 2007-01-12 | 2007-12-26 | 苏州扬名机电有限公司 | Hub motor of double-speed electric automobile with positive and reversing rotation speed variation |
| CN101304197A (en) * | 2007-05-09 | 2008-11-12 | 毛世琨 | Controllable bidirectional exceed on-off automatic shelves-changing motor |
| CN202264633U (en) * | 2011-09-19 | 2012-06-06 | 尹永河 | Intelligent clutch of hub motor for electric automobile |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104742729A (en) * | 2015-02-05 | 2015-07-01 | 华中科技大学 | Hub motor electromagnetic clutch device |
| CN104742729B (en) * | 2015-02-05 | 2017-03-01 | 华中科技大学 | A kind of wheel hub motor electromagnetic clutch device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGFANG XUNHE NEW ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: YIN YONGHE Effective date: 20130513 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20130513 Address after: 065000 No. 313 Yinhe South Road, Hebei, Langfang Applicant after: Langfang Xunhe New Energy Technology Co., Ltd. Address before: 065000 Langfang province Hebei city Anci District Road market on the eastern side of the Milky Way longfu (Yongtai motor) Applicant before: Yin Yonghe |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 065000 Shuanglong group, No. 313 Yinhe South Road, Anci District, Hebei, Langfang Applicant after: Langfang Xunhe New Energy Technology Co., Ltd. Address before: 065000 No. 313 Yinhe South Road, Hebei, Langfang Applicant before: Langfang Xunhe New Energy Technology Co., Ltd. |
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| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20160622 |
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| C20 | Patent right or utility model deemed to be abandoned or is abandoned |