CN102442399A - Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation - Google Patents
Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation Download PDFInfo
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- CN102442399A CN102442399A CN2011103468467A CN201110346846A CN102442399A CN 102442399 A CN102442399 A CN 102442399A CN 2011103468467 A CN2011103468467 A CN 2011103468467A CN 201110346846 A CN201110346846 A CN 201110346846A CN 102442399 A CN102442399 A CN 102442399A
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Abstract
The invention discloses a built-in transmission device of a pedal electric power-assisted bicycle without manual speed regulation. The device comprises a pedal transmission mechanism, a motor transmission mechanism and a pedal moment induction mechanism. The motor transmission mechanism comprises a hollow output shaft of a hollow-shaft high-speed power-assisted motor, a motor planet wheel decelerator and a sprocket wheel shaft. The pedal transmission mechanism comprises a pedal central shaft, a central shaft planet wheel decelerator and a sprocket wheel shaft. The sprocket wheel shaft is rotatably arranged in the output shaft. The pedal central shaft is rotatably arranged in the shaft sleeve of the sprocket wheel shaft. The motor planet wheel decelerator is arranged at one side of the output shaft of the hollow-shaft high-speed power-assisted motor. The central shaft planet wheel decelerator is arranged at the other side of the hollow-shaft high-speed power-assisted motor. The device disclosed by the invention has the characteristics of being concise and intensive in structure, good and reliable in performance, good in process and the like. A motor power-assisted system and physical drive are organically linked but cannot be interfered with each other. The transmission efficiency is very high.
Description
(1) technical field:
The present invention relates to the Electrical Bicycle transmission device, be specially the mid-driving device of a kind of no manual governing pedal and electric morpet.
(2) background technology:
Bicycle-Electrical Bicycle has been experienced in the development of bicycle--the process of pedal and electric bicycle-electric boosted bicycle.As the electric boosted bicycle of newest fruits be actually with foot-operated be main; And motor is as the auxiliary booster type bicycle driven of carrying out, and this bicycle carries out the 10km distance when riding under no electric boosted situation, and its speed, physical consumption are all just the same with ordinary bicycle; Under electric boosted state; When riding, motor only responds foot-operated stress signal and gives corresponding power-assisted promotion, thereby reduces bicyclist's physical consumption.
Be the resistance that prevents that cutting magnetic line from producing; The used motor of prior electric power-assisted bicycle; Be different from the big hub-type motor of tradition; But be independent of the high servo motor of rotation shaft of wheel, and like application number the patent of invention of 200810030374.2 " a kind of electric power-assisted bike pedal moment sensing system ", the high servo motor is installed on the vehicle frame in foot-operated axis postposition; Pedal moment induction mechanism through synchronous strap drive between high servo motor and the foot-operated axis is connected; The pedal moment induction mechanism is the epicyclic transmission mechanism that has inductor, and inductor is responded to foot-operated running moment size and the moment high low signal is sent to the microelectronics treater, through the rotative power that microelectronics treater control high servo motor is exported and the moment size is complementary.
Said " a kind of electric power-assisted bike pedal moment sensing system " patent of invention is because the dispersion of transmission device is concentrated; Thereby cause the complexity of transmission device; And body frame structure for automotive must particular design to adapt to the installation site of high servo motor; Cause the commonality of vehicle frame poor, manufacturing cost increases, and the car load profile is not attractive in appearance.
(3) summary of the invention:
The purpose of this invention is to provide a kind of integrated pedal transmission mechanism, motor transmission mechanism and pedal moment induction mechanism is the mid-driving device of no manual governing pedal and electric morpet of one.
Can realize the mid-driving device of no manual governing pedal and electric morpet of above-mentioned purpose; Comprise pedal transmission mechanism and motor transmission mechanism and pedal moment induction mechanism; Different is that said motor transmission mechanism comprises quill shaft high servo motor, motor planetary wheel decelerator and sprocket shaft; Said pedal transmission mechanism comprises foot-operated axis, axis planet wheel decelerator and sprocket shaft (shared with motor transmission mechanism); Said sprocket shaft rotates and places in the output shaft of quill shaft high servo motor hollow; Said foot-operated axis rotates and places in the axle sleeve of sprocket shaft, and said motor planetary wheel decelerator is located at output shaft one side of quill shaft high servo motor, and said axis planet wheel decelerator then is located at the opposite side of quill shaft high servo motor.
Said motor planetary wheel decelerator comprises motor sun gear, motor planetary gear, motor planetary frame and motor planetary wheel internal gear; Said motor sun gear is with the mouth that is located in output shaft; Said motor planetary gear is uniformly distributed with and is engaged between motor sun gear and the motor planetary wheel internal gear, and said motor planetary frame is through motor overriding clutch connection chain wheel shaft; Said axis planet wheel decelerator comprises axis sun gear, axis planetary wheel, axis pinion carrier and axis satellite gear internal gear; Said axis pinion carrier connects foot-operated axis through the axis overriding clutch; The axis planetary wheel is uniformly distributed with and is engaged between axis sun gear and the axis satellite gear internal gear, and the axis sun gear is coaxial to be connected with sprocket shaft.
The output shaft mouth of said quill shaft high servo motor is a gear type; Also be the sun gear in the motor planetary change-speed box, when the output shaft of motor rotates, the drive motor planet wheel decelerator; Motor planetary frame after slowing down is with low speed rotation; The motor planetary frame is through motor overriding clutch drive sprocket axle, with the chain drum of the coaxial close-fitting of sprocket shaft by the while driven in rotation, the sprocket wheel of rotation moves ahead vehicle through the chain drive trailing wheel.
Owing to be provided with the axis overriding clutch between sprocket shaft and the foot-operated axis; When chain drum rotates and foot-operated axis be in each other not interference state; When chain drum receives the trailing wheel load stress, pass sprocket shaft back through the motor overriding clutch; Sprocket shaft is passed to the axis overriding clutch through the axis planet wheel decelerator; Axis overriding clutch and foot-operated axis are the one-way clutch interlocks, receive the resistance that trailing wheel produces as long as the applied stress that foot-operated axis receives can overcome chain drum, and vehicle just goes forward.
A kind of structure of said pedal moment induction mechanism comprises sensing rolling disc, swing arm, sensor and microelectronics treater; The sensing rolling disc and the coaxial setting of axis satellite gear internal gear of band retracing spring; The circumference of axis satellite gear internal gear has the amount of spin less than 15 degree; And be uniformly distributed with on its outer shroud circumference and offer and the cooresponding local driving cog of swing arm that is uniformly distributed with setting around the sensing rolling disc; The oscillating axle axle tooth engagement of each local driving cog and cooresponding swing arm, the fluted disc engagement of the sector of each swing arm and sensing rolling disc, the microelectronics treater connects the sensor and the quill shaft high servo motor of induction sensing turn disc amount.
When riding, the stressed rotation of axis satellite gear internal gear, local driving cog promptly rotates synchronously; The local driving cog that rotates drives the swing arm swing; The sector oscillating quantity of swing arm obtains multiple amplifies, and the sector of swing arm drives fluted disc makes the sensing rolling disc overcome the rotation of retracing spring power, and the amount of spin that the sensing rolling disc is exaggerated is pounced on by sensor and caught; Thereby realized that the linear torque signals that sensor is produced when riding gathers in real time, and guaranteed the precision gathered.
Under riding condition; The working state signal of quill shaft high servo motor is to be sent through microelectronics treater (electric machine controller) by the pedal moment induction mechanism; The sensing electricity of microelectronics treater is the signal kinetic potential frequently; The axis overriding clutch acquisition of signal mechanism that source and foot-operated axis link each other, and the stress signal linear dynamic range that starts depends on the size of bicyclist to the bicycle pedals application of force.Need not when electric boosted only riding with physical efficiency; Owing between quill shaft high servo motor and sprocket shaft, be provided with the motor overriding clutch; Moment of torsion by foot-operated axis transmission is separated by the motor overriding clutch; Quill shaft high servo motor remains static fully, has avoided driving the resistance that the rotor rotation produces, and it is free and relaxed that vehicle is ridden.
The elastic stress of the retracing spring of sensing rolling disc can be adjusted, and the application of force of assist motor was than producing linear change, the pattern of riding of man-machine integration when Moped Scooter is ridden in real realization when the different elasticity stress value can make foot-operated riding.
A kind of form of said sensor comprises inductor and inductive head, and inductor is located at the deep-slotted chip breaker two ends of offering on the sensing rolling disc, and inductive head is located in the deep-slotted chip breaker.
Advantage of the present invention:
1, the present invention does not have the mid-driving device of manual governing pedal and electric morpet and has characteristics such as structure is tersely concentrated, excellent performance is reliable, and manufacturability is good; Drive organically but mutually noninterfere of motor force aid system and physical efficiency in addition is so there is high driving efficiency.
2, pedal moment induction mechanism of the present invention can make foot-operated mechanical kinetic potential multiplying power with torque sensor linear signal collection point realize the geometric series amplification; Sensor signal is precisely steady; For electric machine control processing terminal (microelectronics treater) provides accurate moment variable signal, carry out intelligent power-assisted.
(4) description of drawings:
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the inner structure scheme drawing of Fig. 1 embodiment.
Fig. 3 is the sectional perspective constructional drawing of pedal moment induction mechanism in Fig. 1 embodiment.
Fig. 4 is the sectional perspective constructional drawing (from another visual angle) of pedal moment induction mechanism in Fig. 1 embodiment.
Fig. 5 is sensing rolling disc and position of inductor figure in the pedal moment induction mechanism of Fig. 3, Fig. 4.
Figure number sign: 1, quill shaft high servo motor; 2, sprocket shaft; 3, foot-operated axis; 4, output shaft; 5, motor sun gear; 6, motor planetary gear; 7, motor planetary frame; 8, motor planetary wheel internal gear; 9, axis sun gear; 10, axis planetary wheel; 11, axis pinion carrier; 12, axis satellite gear internal gear; 13, sensing rolling disc; 14, swing arm; 15, inductor; 16, inductive head.
(5) specific embodiment:
Combine accompanying drawing that technical scheme of the present invention is described further at present:
The present invention do not have the mid-driving device of manual governing pedal and electric morpet integrated pedal transmission mechanism, motor transmission mechanism and pedal moment induction mechanism be one, like Fig. 1, shown in Figure 2.
Main body of the present invention is a quill shaft high servo motor 1; The output shaft 4 of quill shaft high servo motor 1 is a hollow structure; Said motor transmission mechanism mainly is made up of output shaft 4, motor planetary wheel decelerator and sprocket shaft 2; In output shaft 4, sprocket shaft 2 ends of stretching out output shaft 4 mouths are the chain drum installation site to sleeve-like sprocket shaft 2 through bearing installation, and said motor planetary wheel decelerator is located between output shaft 4 and the sprocket shaft 2; The motor planetary wheel decelerator comprises motor sun gear 5, motor planetary gear 6, motor planetary frame 7 and motor planetary wheel internal gear 8; Motor planetary is taken turns internal gear 8 inlay cards in quill shaft high servo motor 1 side shell frame, motor sun gear 5 coaxial output shaft 4 mouths that are fixed on, and three motor planetary gears 6 are uniformly distributed with and are engaged between motor sun gear 5 and the motor planetary wheel internal gear 8; The mounting bracket of motor planetary gear 6 is that motor planetary frame 7 is connected with sprocket shaft 2 installations through the motor overriding clutch, like Fig. 1, shown in Figure 2.
Said pedal transmission mechanism is made up of foot-operated axis 3, axis planet wheel decelerator and sprocket shaft 2 (shared with motor transmission mechanism); Foot-operated axis 3 runs through in the axle sleeve that is installed on sprocket shaft 2 through bearing; The axis planet wheel decelerator is located at quill shaft high servo motor 1 opposite side; The axis planet wheel decelerator mainly is made up of axis sun gear 9, axis planetary wheel 10, axis pinion carrier 11 and axis satellite gear internal gear 12; The mounting bracket of axis planetary wheel 10 is that axis pinion carrier 11 connects foot-operated axis 3 through the axis overriding clutch; Three axis planetary wheels 10 are uniformly distributed with and are engaged between axis sun gear 9 and the axis satellite gear internal gear 12, and in the bayonet socket of quill shaft high servo motor 1 side shell frame, the draw-in groove circumferential length is greater than bayonet socket through the draw-in groove inlay card for axis satellite gear internal gear 12; Guarantee the amount of spin that axis satellite gear internal gear 12 has less than 15 degree on circumference, like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4.
Said pedal moment induction mechanism comprises sensing rolling disc 13, fan-shaped swing arm 14, sensor and microelectronics treater; Said sensing rolling disc 13 is in the coaxial setting in axis satellite gear internal gear 12 outsides; Said swing arm 14 is uniformly distributed with three at the circumferencial direction of sensing rolling disc 13; The local driving cog of the indent of offering on rotating shaft position cooresponding axis satellite gear internal gear 12 outer ring surfaces of swing arm 14; Each local driving cog and the engagement of cooresponding swing arm 14 rotating shaft axle teeth, the covering of the fan tooth of each swing arm 14 and the engagement of the fluted disc of sensing rolling disc 13, said sensing rolling disc 13 has the return function by retracing spring control; Said sensor is interactional inductor 15 and inductive head 16; Offer a concentric deep-slotted chip breaker on the sensing rolling disc 13; Inductor 15 is located at deep-slotted chip breaker two; Inductive head 16 is set up in the deep-slotted chip breaker through propping up, and said microelectronics treater is connected between sensor and the quill shaft high servo motor 1, like Fig. 3, Fig. 4, shown in Figure 5 through circuit.
Working process of the present invention:
1, only rides with foot-operated.
Close the microelectronics treater, cut off the startup of quill shaft high servo motor 1.Foot-operated axis 3 rotates; Rotate through axis planet wheel decelerator drive sprocket axle 2; Chain drum on the sprocket shaft 2 drives the trailing wheel rotation through chain moves ahead vehicle, rides in the shape process, and quill shaft high servo motor 1 remains static; Avoided driving the resistance that the rotor rotation produces, vehicle is ridden free and relaxed.
2, need power-assisted to ride.
Open the microelectronics treater, connect the startup of quill shaft high servo motor 1.Foot-operated axis 3 rotates, and rotates through axis planet wheel decelerator drive sprocket axle 2, and the chain drum on the sprocket shaft 2 drives the trailing wheel rotation through chain moves ahead vehicle.Meanwhile, the axis satellite gear internal gear 12 of axis planet wheel decelerator produces circumferential displacement, swing arm 14 swings; Drive sensing rolling disc 13 and rotate, the distance between inductor 15 and the inductive head 16 changes and produces electric signal, and electric signal is after the microelectronics processor processes; Send instruction to quill shaft high servo motor 1; The output shaft 4 of quill shaft high servo motor 1 rotates, and output shaft 4 is through motor planetary wheel decelerator drive sprocket axle 2, and the power torque of quill shaft high servo motor 1 and the torque of foot-operated axis 3 are superimposed on the sprocket shaft 2; Thereby make sprocket shaft 2 obtain bigger torque, vehicle gets at high speed and rides shape.
The power torque size of quill shaft high servo motor 1 is by the application of force size decision of foot-operated axis 3; Step on foot-operated axis 3 at a slow speed; Distance of reaction between inductor 15 and the inductive head 16 is less, and the power torque that quill shaft high servo motor 1 is seen off is then smaller, improves the speed of stepping on foot-operated axis 3; Distance of reaction between inductor 15 and the inductive head 16 increases, and the power torque that quill shaft high servo motor 1 is seen off then increases.The application of force of foot-operated axis 3 reduces; Because the effect of retracing spring; Sensing rolling disc 13 and 12 while of axis satellite gear internal gear return, the distance of reaction between inductor 15 and the inductive head 16 reduces, and the power torque that quill shaft high servo motor 1 is seen off reduces thereupon.
Claims (4)
1. there is not the mid-driving device of manual governing pedal and electric morpet; Comprise pedal transmission mechanism and motor transmission mechanism and pedal moment induction mechanism; It is characterized in that: said motor transmission mechanism comprises output shaft (4), motor planetary wheel decelerator and the sprocket shaft (2) of quill shaft high servo motor (1) hollow; Said pedal transmission mechanism comprises foot-operated axis (3), axis planet wheel decelerator and sprocket shaft (2); Said sprocket shaft (2) rotates and places in the output shaft (4); Said foot-operated axis (3) rotates and places in the axle sleeve of sprocket shaft (2), and said motor planetary wheel decelerator is located at output shaft (4) one sides of quill shaft high servo motor (1), and said axis planet wheel decelerator then is located at the opposite side of quill shaft high servo motor (1).
2. the mid-driving device of no manual governing pedal and electric morpet according to claim 1; It is characterized in that: said motor planetary wheel decelerator comprises motor sun gear (5), motor planetary gear (6), motor planetary frame (7) and motor planetary wheel internal gear (8); Said motor sun gear (5) is with the mouth that is located in output shaft (4); Said motor planetary gear (6) is uniformly distributed with and is engaged between motor sun gear (5) and the motor planetary wheel internal gear (8), and said motor planetary frame (7) is through motor overriding clutch connection chain wheel shaft (2); Said axis planet wheel decelerator comprises axis sun gear (9), axis planetary wheel (10), axis pinion carrier (11) and axis satellite gear internal gear (12); Said axis pinion carrier (11) connects foot-operated axis (3) through the axis overriding clutch; Axis planetary wheel (10) is uniformly distributed with and is engaged between axis sun gear (9) and the axis satellite gear internal gear (12), and axis sun gear (9) is coaxial to be connected with sprocket shaft (2).
3. the mid-driving device of no manual governing pedal and electric morpet according to claim 2; It is characterized in that: said pedal moment induction mechanism comprises sensing rolling disc (13), swing arm (14), sensor and microelectronics treater; The sensing rolling disc (13) and the coaxial setting of axis satellite gear internal gear (12) of band retracing spring; The circumference of axis satellite gear internal gear (12) has the amount of spin less than 15 degree; And be uniformly distributed with on its outer shroud circumference and offer local driving cog, swing arm (14) is uniformly distributed with setting around sensing rolling disc (13), and the balance staff axle tooth of each local driving cog and each swing arm (14) is corresponding and mesh; The fluted disc engagement of sector of each swing arm (14) and sensing rolling disc (13), the microelectronics treater connects the sensor and the quill shaft high servo motor (1) of induction sensing rolling disc (13) amount of spin.
4. the mid-driving device of no manual governing pedal and electric morpet according to claim 3; It is characterized in that: said sensor comprises inductor (15) and inductive head (16); Inductor (15) is located at the deep-slotted chip breaker two ends of offering on the sensing rolling disc (13), and inductive head (16) is located in the deep-slotted chip breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346846.7A CN102442399B (en) | 2011-11-04 | 2011-11-04 | Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110346846.7A CN102442399B (en) | 2011-11-04 | 2011-11-04 | Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation |
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| Publication Number | Publication Date |
|---|---|
| CN102442399A true CN102442399A (en) | 2012-05-09 |
| CN102442399B CN102442399B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110346846.7A Expired - Fee Related CN102442399B (en) | 2011-11-04 | 2011-11-04 | Built-in transmission device of pedal electric power-assisted bicycle without manual speed regulation |
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| CN (1) | CN102442399B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745298A (en) * | 2012-07-11 | 2012-10-24 | 天津比沃科技有限公司 | Centrally-mounted drive system of electric bicycle |
| CN103171732A (en) * | 2011-12-22 | 2013-06-26 | 罗伯特·博世有限公司 | Crank transmission device used for bicycle |
| CN104085491A (en) * | 2014-07-06 | 2014-10-08 | 李强 | Automatic bicycle electric power-assisting system achieving transmission through middle shaft (crankset) of bicycle |
| CN106592464A (en) * | 2017-03-13 | 2017-04-26 | 深圳市西莫罗智能科技有限公司 | Novel swinging brake with coaxial double core |
| CN107571960A (en) * | 2017-10-09 | 2018-01-12 | 天津迪思科博科技发展有限公司 | Torque detection transmission device and electric bicycle middle motor applying same |
| TWI738117B (en) * | 2019-11-15 | 2021-09-01 | 大陸商珠海市鈞興機電有限公司 | Harmonic drive system for pedal electric cycle |
Citations (4)
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|---|---|---|---|---|
| EP0832816A1 (en) * | 1996-09-26 | 1998-04-01 | Mitsubishi Heavy Industries, Ltd. | Driving unit for electric motor driven bicycle |
| US6196347B1 (en) * | 1998-09-22 | 2001-03-06 | Industrial Technology Research Institute | Power transmission and pedal force sensing system for an electric bicycle |
| CN1754774A (en) * | 2004-09-27 | 2006-04-05 | 捷安特(中国)有限公司 | Electric bicycle central drive coaxial power set |
| CN202295201U (en) * | 2011-11-04 | 2012-07-04 | 陈戈平 | Middle transmission device for electric power-assisted bicycle without manual speed regulating pedal |
-
2011
- 2011-11-04 CN CN201110346846.7A patent/CN102442399B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0832816A1 (en) * | 1996-09-26 | 1998-04-01 | Mitsubishi Heavy Industries, Ltd. | Driving unit for electric motor driven bicycle |
| US6196347B1 (en) * | 1998-09-22 | 2001-03-06 | Industrial Technology Research Institute | Power transmission and pedal force sensing system for an electric bicycle |
| CN1754774A (en) * | 2004-09-27 | 2006-04-05 | 捷安特(中国)有限公司 | Electric bicycle central drive coaxial power set |
| CN202295201U (en) * | 2011-11-04 | 2012-07-04 | 陈戈平 | Middle transmission device for electric power-assisted bicycle without manual speed regulating pedal |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171732A (en) * | 2011-12-22 | 2013-06-26 | 罗伯特·博世有限公司 | Crank transmission device used for bicycle |
| CN102745298A (en) * | 2012-07-11 | 2012-10-24 | 天津比沃科技有限公司 | Centrally-mounted drive system of electric bicycle |
| CN102745298B (en) * | 2012-07-11 | 2015-04-22 | 天津比沃科技有限公司 | Centrally-mounted drive system of electric bicycle |
| CN104085491A (en) * | 2014-07-06 | 2014-10-08 | 李强 | Automatic bicycle electric power-assisting system achieving transmission through middle shaft (crankset) of bicycle |
| CN106592464A (en) * | 2017-03-13 | 2017-04-26 | 深圳市西莫罗智能科技有限公司 | Novel swinging brake with coaxial double core |
| CN107571960A (en) * | 2017-10-09 | 2018-01-12 | 天津迪思科博科技发展有限公司 | Torque detection transmission device and electric bicycle middle motor applying same |
| CN107571960B (en) * | 2017-10-09 | 2022-07-12 | 天津迪思科博科技发展有限公司 | Torque detection transmission device and electric bicycle middle motor applying same |
| TWI738117B (en) * | 2019-11-15 | 2021-09-01 | 大陸商珠海市鈞興機電有限公司 | Harmonic drive system for pedal electric cycle |
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| CN102442399B (en) | 2014-07-30 |
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Granted publication date: 20140730 Termination date: 20191104 |