CN1235113A - Auxiliary device for electric powered bicycle - Google Patents
Auxiliary device for electric powered bicycle Download PDFInfo
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- CN1235113A CN1235113A CN98101695A CN98101695A CN1235113A CN 1235113 A CN1235113 A CN 1235113A CN 98101695 A CN98101695 A CN 98101695A CN 98101695 A CN98101695 A CN 98101695A CN 1235113 A CN1235113 A CN 1235113A
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Abstract
An auxiliary driver for electrically boosted bicycle is composed of planetary gear set, driving umbrella gear, auxiliary motor, sensors group and control circuit. The planetary arm of planetary gear set is connected with pedal. The planetary gear is jointed to pivot of planetary arm. The sun gear is engaged with planetary gear. the toothed ring is engaged with the periphery of planetary gear and connected to front drive gear disk. The drive umbrella gear is connected to sun gear. The auxiliary motor and the drive umbrella gear constructe a unidirectional drive structure. The sensors group is arranged at the position where speed can be sensed and can drive auxiliary motor by sensing the rotation speeds of pedal and back wheel to output boosting force.
Description
The present invention relates to vehicle drive unit, relate in particular to a kind of auxiliary device for electric powered bicycle.
Electrical Bicycle is one of at present rather popular traffic means of transport, and particularly under the situation that environmental protection ideas generally is rooted in the hearts of the people, Electrical Bicycle quite has dessert machine motor-car gradually, and becomes the main flow of following light-duty walking-replacing tool.Yet in electric bicycle structure, topmost power resources are the accessory drives propulsion source such as electro-motor, therefore, must be apt to add the running of controlling this accessory drives propulsion source, can make Electrical Bicycle in the process of running and enforcement operation, reach the effect of people's car one.Increasing electric energy consumption undermines the safety problem that the increase personnel drive operation on foot otherwise have only.
In general traditional electric bicycle structure, simple auxiliary power source control mode is that electronic accessory drives propulsion source is installed in bicycle front-wheel or trailing wheel, by being installed in electric switch on the operating handle as the control setup that starts electronic auxiliary power source, start this auxiliary power source so as to M/C by the rider, the horsepower output of this auxiliary power source and without suitable control and adjustment very easily causes meaningless power wastage.
In addition, aspect relevant patent documentation formerly,, announce a kind of device that is installed in bicycle pedal with the torsion sensing device such as No. 5704441 case of U.S.'s patent of invention, in order to sensing stretcher stampede power, pass to the auxiliary power of bicycle front-wheel or trailing wheel with the motor of control auxiliary power.So, though can improve the problem that general Electrical Bicycle accessory drives power is promptly exported without control a little, but its shortcoming then is to be that the torque magnitude with stretcher is used as the control foundation of auxiliary power driving system, very easily step on the application of force angle difference of spoiling stretcher because of the people, little when big during the torsion that makes on stretcher to be produced, and the big or small gap of this torsion is excessive, little situation when big when easily causing the outputting power of servo-motor to produce, make this Electrical Bicycle in the process of running of travelling, also suddenly big or suddenly small being difficult to of the torsion of auxiliary driving motor controlled, and the time the unstable situation of rocking is arranged, and increase surplus power consumption on foot.
Above-mentioned again US Patent has some setbacks except its takeoff output, influence outside the mobility operation control, when using in the bicycle that generally has the multistage change-speed box, also can't import the rotating speed and the torsion of suitable auxiliary power, thereby its field of application is restricted according to the rotating speed or the torsion demand of assisting of different gears.
Main purpose of the present invention, be to provide a kind of auxiliary device for electric powered bicycle, make this Electrical Bicycle can be by the speed of trampling and the rear wheel rotation speed state of stretcher, so that suitable auxiliary power is imported this bicycle, can make the auxiliary power imported can smoothly smooth and easy auxiliary Electrical Bicycle running, reach and drive the labour-saving effect.
A further object of the present invention, be to provide a kind of auxiliary device for electric powered bicycle, it utilizes the speed of trampling and the rear wheel rotation speed of stretcher, the auxiliary power size that decision is imported, and can cooperate bicycle to use with multistage speed changing function, can produce the auxiliary power that travels of auxiliary power input bicycle conduct of suitable torsion, rotating speed according to speed change gear difference, and then increase its field of application.
Another purpose of the present invention, be to provide a kind of auxiliary device for electric powered bicycle, wherein, stretcher driving system and accessory power system are state independently separately individually, and this accessory power system is only as unidirectional power transmission, so when rear haulage is moveed backward, do not cause accessory power system to reverse the generation backward current and flow to control circuit at this Electrical Bicycle.
The objective of the invention is to realize by following technical scheme.
Auxiliary device for electric powered bicycle of the present invention comprises: a planet gear cluster, one transmission umbrella shape wheel, one servo-motor, a plurality of sensing element groups and control circuit, described compound planet gear comprises a planet arm, a plurality of planetary wheels, one sun gear and an Internal gear, wherein the planet arm is to rotary connection with the stretcher axle, planet arm periphery is provided with a plurality of pivots, these a plurality of planetary wheels are connected on the pivot of aforementioned planet arm, the centre hole periphery and the mutual transmission of planetary wheel outer rim of aforementioned sun gear are meshing, aforementioned Internal gear is located on planetary outer rim, and this Internal gear also is connected with a preceding transmission gear dish of bicycle; Described transmission umbrella shape wheel, its rear end is combined with a single direction ratchet and quill shaft, this single direction ratchet and sun gear are for being in transmission connection, the leading edge of aforementioned quill shaft is provided with a sealing, this sealing is corresponding with the sealing of compound planet gear sun gear, with socket one bearing, wear the stretcher axle in again, outside leading edge of quill shaft and aforementioned sun gear wear; Described servo-motor, it is the front vehicle frame pipe below of being located at cycle frame, the motor output revolving shaft is connected with an output umbrella shape wheel, and it is vertical meshing that this output umbrella shape wheel and aforementioned transmission umbrella shape wheel are 90 degree, make this servo-motor and transmission umbrella shape take turns between formation one unidirectional drive mechanism; Described a plurality of sensing element is mounted on planet arm, the bicycle rear of compound planet gear and can senses the appropriate location of speed.
Above-mentioned purpose of the present invention can also further realize by following technical measures.
Auxiliary device for electric powered bicycle of the present invention, described compound planet gear comprises a planet arm, this planet arm center is provided with a connecting bore, this connecting bore outwards is provided with a keyway at least, with with a stretcher axle on set key piece be connected, this stretcher axle is arranged on the five-way pipe of a cycle frame.Described control circuit comprises three mu balanced circuit S1, S2, S3, arithmetical circuit 700, controller 800 and power amplifier 900, three mu balanced circuit S1 wherein, S2, S3 comprises integrated regulator sheet U1 respectively, U2, U3, arithmetical circuit 700 is by three op amp U4, U5, U6 and peripheral element thereof are formed, wherein op amp U4 and U5 connect to form independent deciding than integrating network road respectively, and op amp U6 connects and composes a signal plus networking, controller 800 comprises power control integrated circuit sheet U7, power amplifier 900 is by transistor Q1, Q2 and thyratron Q3 constitute, the power control signal control of controlled device 800 outputs, the input end of power control integrated circuit sheet U7 in the output termination controller 800 of op amp U6 in the aforementioned arithmetical circuit 700.
Concrete structure of the present invention is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is a decomposition texture schematic perspective view of the present invention
Fig. 2 is a structure cross-sectional schematic of the present invention
Fig. 3 is a power transmission control system scheme drawing of the present invention
Fig. 4 is the detailed circuit diagram of control circuit of the present invention
Fig. 5 A is one of torsion action scheme drawing of planetary wheel of the present invention, sun gear and planet arm
Fig. 5 B be planetary wheel of the present invention, sun gear and planet arm torsion action scheme drawing two
Fig. 6 is one of application example scheme drawing of the present invention
Fig. 7 is two of an application example scheme drawing of the present invention
Consult Fig. 1, shown in Figure 2, auxiliary device for electric powered bicycle of the present invention, comprise a planet gear cluster 100, one transmission umbrella shape wheel 400, one servo-motor 500, a plurality of sensing element groups and control circuit, described compound planet gear 100 comprises a planet arm 10, a plurality of planetary wheels 20, one sun gear 30 and an Internal gear 40, wherein planet arm 10 centers are provided with a connecting bore 11, this connecting bore 11 outwards is provided with a keyway 111 at least, be connected to go up set key piece 1A with stretcher axle A, this stretcher axle A is located on the five-way pipe B1 of a cycle frame B, make planet arm 10 can be connected stretcher axle A two ends stretcher 2B trample driven rotary, the periphery of this planet arm 10 is provided with a plurality of pivots 12; A plurality of planetary wheels 20 are connected on the pivot 12 of planet arm 10, to do the running of detouring of circular path with the rotation of planet arm 10; Centre hole 31 peripheries of sun gear 30 are arranged with a key mouth 311 at least, and are connected meshing with planetary wheel 20 outer rims, are the structure of mutual transmission; Internal gear 40 closely is located on the outer rim of planetary wheel 20, and by the driven rotary of the circumferential running track of planetary wheel 20, and be provided with several holes 41 at periphery, with counting the screw 210 that bolt 2A wears preceding transmission gear dish 200 peripheries that are locked in bicycle, Internal gear 40 is connected with preceding transmission gear dish 200; Preceding transmission gear dish 200 (chain wheel) is the driver element of pedal power, and the chain 300 of can packing into comes the rear wheel C running (Fig. 6, shown in Figure 7) of transmission bicycle; Transmission umbrella shape wheel 400, its rear end is combined with a single direction ratchet 410 and quill shaft 420, can do unidirectional transmission rotation, the leading edge appropriate location of quill shaft 420 is provided with a sealing 421, this sealing 421 is corresponding mutually with the sealing 311 of the sun gear 30 of compound planet gear 100, with in quill shaft 420 outside socket one bearings D, wear with preceding transmission gear dish 200 centers, quill shaft 420 inner sheathed bearings D ', A wears with the stretcher axle, quill shaft 420 outside leading edges and sun gear 30 wear, and insert in the key mouth 311 and key mouth 421 that this correspondence coincide by a connecting key piece 430, sun gear 30 and quill shaft 420 are interconnected, and be subjected to the unidirectional transmission of transmission umbrella shape wheel 400; One servo-motor 500, be to be connected on the set ear 4B of the front vehicle frame pipe 3B periphery of cycle frame B by a plate 510, and be installed in below the front vehicle frame pipe 3B, this servo-motor 500 is the assembly of Direct Current Motor and retarder, and on output revolving shaft 520, be connected with an output umbrella shape wheel 530, this output umbrella shape wheel 530 is 90 degree vertical meshing states (shown in Figure 2) with transmission umbrella shape wheel 400, so that this servo-motor 500 can and 400 on transmission umbrella shape wheel constitute unidirectional drive mechanisms, promptly when servo-motor 500 during at no power, so as to locked quill shaft 420, sun gear 30 also can't be rotated, make fully effectively running of stretcher 2B.
Above Fig. 1, shown in Figure 2 is not that the structure of auxiliary device for electric powered bicycle of the present invention is implemented pattern, and this structure enforcement figure only is convenient to illustrate one of cited preferred embodiment for the present invention, not thereby arrest and limit its category.
Consult shown in Figure 3, it shows the power transmission control flow and the system architecture of auxiliary device for electric powered bicycle of the present invention, shown in the hollow arrow direction wherein, be the mechanokinetic flow process, it comprises two drive path, one is the power flow process that traditional stretcher 2B is produced when stepping on, and promptly the planet arm 10 via compound planet gear 100 drives Internal gears 40, again through a rear wheel change-speed box E and transmission rear wheel C running; Another is a mechanical power transmission flow process, is the sun gear 30 in the servo-motor 500 transmission compound planet gears 100, and the transmission ring gear 40 again, and turns round through rear-wheel transmission E transmission rear wheel C again.More than shown in two kinds of power transmission flow processs in the process of single direction (promptly just changeing and advancing) transmission, be that permission is simultaneous, be that rear wheel C can accept the auxiliary power that power and this servo-motor provided that stretcher 2B tramples simultaneously, drive forward running forward simultaneously and advance.
Consult shown in Figure 3, the direction of its solid wire arrow indication, it is the conveying flow of electronic control signal, comprise three paths, one is by a sensing element group 600 beginnings, this sensing element group 600 is middlebrow commercially available prod, generally by motor, photoelectric switch, magnetic reed switch, near switch, Hall IC etc. have the component set-up of the fast function of meter, and be installed on this planet arm 10, but sensing detects the rotating speed of planet arm 10, be the speed of trampling of stretcher 2B, and it is fixed than amplifying circuit K through a signal, signal is produced an input control signal Er than amplifying a K value ratio (constant value, its value size and account form are in the back explanation) surely, and this input control signal Er imports in the arithmetical circuit 700; The bang path of another electronic control signal, be by another sensing element group 600 ' beginning, this sensing element group 600 ' form is identical with sensing element group 600, and be installed on the rear wheel C, but sensing detects the rotating speed of rear wheel C, and with in this feedback signal Eh feedback (feed back) input arithmetical circuit 700; The bang path of an electronic control signal again, by arithmetical circuit 700 beginnings, this arithmetical circuit 700 is according to sensing element group 600 and input control signal Er that sensing element group 600 ' both provided respectively and feedback signal Eh in addition after the computing, produce an error signal Ec, and error signal Ec sent in the controller 800, by this controller 800 according to error signal Ec value, adjust the value of output control signal Es, and after a power amplifier 900 amplifies, drive controlling servo-motor 500 runnings again, make this servo-motor 500 can be again via above-mentioned mechanical power transmission flow process and system, the output auxiliary power is to rear wheel C, and via sensing element group 600 ' feed back in the arithmetical circuit 700 with electrical feedback signal Eh, calculate error signal Ec, so that controller 800 is adjusted the target of servo-motor 500 accurate outputting torsions and the extremely original planning and design of rotating speed, also, reach the purpose of auxiliary device for electric powered bicycle accuracy control Electrical Bicycle takeoff output of the present invention promptly by this loop circuit control system with automatic feedback adjustment.
Consult shown in Figure 4, it is the control path structure of auxiliary device for electric powered bicycle of the present invention, wherein, comprises several mu balanced circuits S1, S2 and S3, mainly be to constitute, with working power V+, V1 and the V-that three kinds of different voltages are provided by voltage stabilizing ICU1, U2 and U3.Arithmetical circuit 700 as shown in Figure 3, mainly constitute by three op amp U4, U5 and U6, the networking that this op amp U4 and U5 are connected to form is respectively independent deciding than integrating network road, for input control signal Er shown in Figure 3 and feedback signal Eh input, op amp U6 connects and composes a signal plus networking, with with after input control signal Er and the feedback signal Eh calculation process, by the error signal Ec of mouth output becoming shown in above-mentioned Fig. 3 of op amp U6.
In addition, what deserves to be mentioned is in the cross-over connection of the two ends of servo-motor 500 one free gear (free wheel) diode D1 is arranged, can guarantee servo-motor 500 after outage, guiding does not cause other circuit components impaired because of the reverse current of inductive load sparking voltage.
More than actual circuit structure of the present invention shown in Figure 4, be the present invention for ease of explanation control principle and exploitativeness thereof, embodiment is not sufficient to limit category of the present invention only for ease of the usefulness of explanation.The model that each integrated circuit chip adopted in the present embodiment control circuit is respectively, U1:NS7805, U2:NS7810, U3:NSLTC111-5, U4:NSLM1111U5:NSLM1111, U6:NSLM1111, U7:NSLM3524.
Consult shown in Fig. 5 A, Fig. 5 B, what above-mentioned Fig. 1 was extremely shown in Figure 4 is control system of the present invention and circuit structure diagram, Fig. 5 A, Fig. 5 B will be in order to illustrating control principle of the present invention and principle of design, so as to the above-mentioned Fig. 1 of further confirmation to the control system shown in Figure 4 and the formation of circuit structure.At first, shown in Fig. 5 A, the output torque (torsion) of 30 of planet arm 10 in the compound planet gear 100, planetary wheel 20 and sun gears and the relation between rotating speed are described, wherein, Wa represents the rotating speed of planet arm 10; Wp represents the rotating speed of planetary wheel 20; Ws represents the rotating speed of sun gear 30; Wr representative ring gear 40 rotating speeds; Wb represents the rotating speed of rear wheel C; Ta represents the rotating torque of planet arm 10; Tp represents the rotating torque of planetary wheel 20; Ts represents the rotating torque of sun gear 30; The rotating torque of Tr representative ring gear 40; Rs represents the radius of sun gear 30; Rp represents the radius of planetary wheel 20; Fap represents the application force of 10 pairs of planetary wheels 20 of planet arm; Fpa represents the application force of 20 pairs of planet arms 10 of planetary wheel; Fsp represents the application force of 30 pairs of planetary wheels 20 of sun gear; Fps represents the application force of 20 pairs of sun gears 30 of planetary wheel; The application force of 40 pairs of planetary wheels 20 of frp representative ring gear; Fpr represents the application force of 20 pairs of Internal gears 40 of planetary wheel; Ns represents the number of teeth of sun gear 30; The number of teeth of Nr representative ring gear 40; The number of teeth of transmission gear dish 200 before Nf represents; Nb represents the gear number of teeth of rear wheel change-speed box E.
Wish to get the output speed of Internal gear 40 by explanation in (1) formula, i.e. Wr, with planet arm 10 rotating speed Wa, the i.e. foot-operated rotating speed of stretcher 2B, and sun gear 30 rotating speed Ws, promptly the auxiliary power rotating speed of servo-motor 500 has certain relational expression.
Ts=Rs×fsp
Ta=(Rs+Rp)×fap
Tp=(Rs×fps)+(Rs+Rp)×fpa
By above-listed three formulas respectively push away Ts+Ta+Tp '=0 (2) formula
Secondly, shown in Fig. 5 B, show the rotating speed of 40 of planetary wheel 20 and Internal gears and the relation of rotating torque, wherein:
Tr=(2Rp+Rs)×frp
Tp
2=(2Rp+Rs)×fpr
Obtain Tr+Tp by above two formulas
2=0 (3) formula is so obtain the following relationship formula by (2) formula+(3) formula:
Ts+Ta+Tp '+Tp
2=0 (4) formula
Tp '+Tp again
2=Tp=0, because of planetary wheel 20 has rotating speed in the present invention, but non-moment, its effect is equivalent to only do transmission with wheel, not work done, so, can obtain following (5) formula with in this formula substitution (4) formula:
Ts+Ta+Tr=0 (5) formula
In addition, in principle of conservation of energy, the sum total of horsepower input and horsepower output is zero, thus also can push away again following formula:
(TsWs+TaWa)+TrWr=0 (6) formula
Again (5) formula is multiplied by planet arm 10 rotating speed Wa and gets following (7) formula:
TsWa+TaWa+TrWr=0 (7) formula
(6) formula is deducted (7) formula abbreviation, can get:
Behind Ts (Ws-Wa)+Tr (Wr-Wa)=0 transposition becoming fraction:
Compare (1) Shi Kede:
So moment is the relation of deciding ratio with the number of teeth thus, can get: Ts: Ta: Tr=Ns :-(Ns+Nr): the event of Nr (9) formula is by the result of (9) formula gained, can get between the rotating torque Ta of the rotating torque Ts of sun gear 30 and planet arm 10 and be the relation of a certain fixed proportion, in other words, the input auxiliary power moment of trampling moment and servo-motor 500 of stretcher 2B input just also is a certain fixed proportion relation.
Therefore, with the relational expression between the above-listed rotating torque that is pushed away, the gear number of teeth and rotating speed, can be so as to as Fig. 3, control system, line construction and controller 800 design-calculated foundations shown in Figure 4, wherein: Wb=K * Wa (10) formula, K is a constant.And consider that the present invention is applied to the state of the Electrical Bicycle of rear wheel change-speed box E, then:
Substitution (10) formula,
With above-listed (1) formula of (11) formula substitution, and abbreviation gets:
Order
As is a constant.Promptly getting Ws=As * Wa (12) formula is proportional by the output speed (Ws) that can get servo-motor 500 in (12) formula with the rotating speed (Wa) that stretcher 2B is imported promptly also, its proportionate relationship can be by the ratio of preceding transmission gear dish 200 with the gear number of teeth of rear wheel change-speed box E, be Nb/Nf, just the shift gear changes it, the ratio of Nb/Nf of further can deriving again is big more, gear is low more, then this As value becomes big, the rotating speed Ws of sun gear 30 is also big more, relatively, the power-assist rotating speed of servo-motor 500 outputs is also just high more.
Therefore, the K value of in the premises, being mentioned, K value shown in Fig. 4, can obtain according to above-mentioned (12) formula of deriving, and by rear wheel C rotating speed Wb, promptly the moving velocity of Electrical Bicycle designs, for example: (I) if the speed of a motor vehicle at the low speed driving state below 15 kilometers/hour, import the auxiliary power of 1: 1 definite value, then the K value is:
If the speed of a motor vehicle is driven at moderate speed 15 to 24 kilometers/hour scopes, the auxiliary power-assist power value of input is that slope is the decline of the negative value linear function that successively decreases (II), and then the K value is:
So can be by the number N of teeth s of sun gear 30 and the ratio of number of teeth of Internal gear 40, in above-mentioned (I) of having established of substitution, (II) formula, can obtain relative K value, such as Ns=8, the state of Nr=21, by concerning of (9) formula: Ts: Ta=8: in (29) substitution (I), (II), obtain respectively: (a) during Wb=0 to 15, k=58/21=2.761.(b) during Wb=15 to 24, as Ws=18, K=145/63=2.301 (c) Wb=＞24 o'clock, K=0, Ws=0, promptly servo-motor 500 does not provide any auxiliary rotating speed and power.
By above result of calculation, can obtain stable and self-align auxiliary power, promptly trample both poor of the speed of stretcher 2B and rear wheel C rotating speed Wb with pin by the rider, automatically adjust with servo-motor 500 input auxiliary powers, and the effect that the rider is reached get twice the result with half the effort, and and then improve the running efficiency of electric moving aid vehicle.
Consult Fig. 6 and shown in Figure 7, by auxiliary device for electric powered bicycle of the present invention shown in Fig. 1 to Fig. 5 B, on practical application and implementing, can cooperate various rear wheel change-speed box E to implement, all rear wheel change-speed box E as shown in Figure 4 are the form of general common multistage variable gear dish, be to connect and compose by chain 300 and preceding transmission gear dish 200, can by each variable gear number of teeth (Nb) with above-mentioned before the ratio of number of teeth of transmission gear dish 200, and make the size foundation to some extent of the input auxiliary power of servo-motor 500.But also can be according to the difference of rider's shift operating habit, and according to above-mentioned each calculation of parameter principle of deriving, the rotating speed and the moment size of servo-motor 500 inputs when arbitrarily the various gears of design travel, it is linear (LINER) relation, can make the running of Electrical Bicycle more smooth and easy and reach the effect of people's car one.As shown in Figure 7, rear wheel change-speed box E is that the change-speed box of multistage internal speed-changing kenel constitutes, the function that also has the multistage speed change, but there is no the setting of toothed disc, in the same manner, also can reach design goal and the effect that the servo-motor 500 identical with Fig. 6 imported auxiliary powers, and then benefit increases industrial utilization of the present invention and field of application by the principle and the parameter value of internal speed-changing ratio.
In addition, characteristics more of the present invention, be to be that the output umbrella shape wheel 530 of this servo- motor 500 and 400 on transmission umbrella shape wheel are the drive mechanisms that is unidirectional, also promptly on this transmission umbrella shape wheel 400, be provided with a single direction ratchet 410, when making integral structure of the present invention be applied to Electrical Bicycle, can not step back, reverse and reverse current, can guarantee that each parts is unlikely in the control circuit of Fig. 4 to be damaged and this servo-motor 500 is also produced because of leading car backward.
In sum, auxiliary device for electric powered bicycle of the present invention, really the ride control of electric moving aid vehicle and the input of auxiliary power are controlled, has the effect of accurately adjusting automatically, and can be with rider's the speed of trampling and speed change shift serviceability, decide the auxiliary power size of input, and make the present invention reach the purpose of Electrical Bicycle and rider people's car one, reality meets the important document of patent of invention.
Claims (3)
1, a kind of auxiliary device for electric powered bicycle, it is characterized in that, it comprises: a planet gear cluster, one transmission umbrella shape wheel, one servo-motor, a plurality of sensing element groups and control circuit, described compound planet gear comprises a planet arm, a plurality of planetary wheels, one sun gear and an Internal gear, wherein the planet arm is to rotary connection with the stretcher axle, planet arm periphery is provided with a plurality of pivots, these a plurality of planetary wheels are connected on the pivot of aforementioned planet arm, the centre hole periphery and the mutual transmission of planetary wheel outer rim of aforementioned sun gear are meshing, aforementioned Internal gear is located on planetary outer rim, and this Internal gear also is connected with a preceding transmission gear dish of bicycle; Described transmission umbrella shape wheel, its rear end is combined with a single direction ratchet and quill shaft, this single direction ratchet and sun gear are for being in transmission connection, the leading edge of aforementioned quill shaft is provided with a sealing, this sealing is corresponding with the sealing of compound planet gear sun gear, with socket one bearing, wear the stretcher axle in again, outside leading edge of quill shaft and aforementioned sun gear wear; Described servo-motor, it is the front vehicle frame pipe below of being located at cycle frame, the motor output revolving shaft is connected with an output umbrella shape wheel, and it is vertical meshing that this output umbrella shape wheel and aforementioned transmission umbrella shape wheel are 90 degree, make this servo-motor and transmission umbrella shape take turns between formation one unidirectional drive mechanism; Described a plurality of sensing element is mounted on planet arm, the bicycle rear of compound planet gear and can senses the appropriate location of speed.
2, auxiliary device for electric powered bicycle according to claim 1, it is characterized in that, described compound planet gear comprises a planet arm, this planet arm center is provided with a connecting bore, this connecting bore outwards is provided with a keyway at least, with with a stretcher axle on set key piece be connected, this stretcher axle is arranged on the five-way pipe of a cycle frame.
3, auxiliary device for electric powered bicycle according to claim 1, it is characterized in that, described control circuit comprises three mu balanced circuit S1, S2, S3, arithmetical circuit 700, controller 800 and power amplifier 900, three mu balanced circuit S1 wherein, S2, S3 comprises integrated regulator sheet U1 respectively, U2, U3, arithmetical circuit 700 is by three op amp U4, U5, U6 and peripheral element thereof are formed, wherein op amp U4 and U5 connect to form independent deciding than integrating network road respectively, and op amp U6 connects and composes a signal plus networking, controller 800 comprises power control integrated circuit sheet U7, power amplifier 900 is by transistor Q1, Q2 and thyratron Q3 constitute, the power control signal control of controlled device 800 outputs, the input end of power control integrated circuit sheet U7 in the output termination controller 800 of op amp U6 in the aforementioned arithmetical circuit 700.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101695A CN1081153C (en) | 1998-05-07 | 1998-05-07 | Auxiliary device for electric powered bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98101695A CN1081153C (en) | 1998-05-07 | 1998-05-07 | Auxiliary device for electric powered bicycle |
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| Publication Number | Publication Date |
|---|---|
| CN1235113A true CN1235113A (en) | 1999-11-17 |
| CN1081153C CN1081153C (en) | 2002-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98101695A Expired - Fee Related CN1081153C (en) | 1998-05-07 | 1998-05-07 | Auxiliary device for electric powered bicycle |
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| CN (1) | CN1081153C (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100333965C (en) * | 2003-09-19 | 2007-08-29 | 缪华 | Speed controlled proportional assisted electric bicycle control system |
| CN104477299A (en) * | 2014-12-31 | 2015-04-01 | 江苏绿能电动车科技有限公司 | Electric bicycle with independent controller |
| CN104843133A (en) * | 2014-12-29 | 2015-08-19 | 新安乃达驱动技术(上海)有限公司 | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle |
| CN106080944A (en) * | 2015-05-01 | 2016-11-09 | 通用汽车环球科技运作有限责任公司 | There is the electric bicycle dynamical system of dual planetary gear |
| CN107176257A (en) * | 2017-06-29 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of longitudinal motor driven systems of bicycle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5704441A (en) * | 1996-04-16 | 1998-01-06 | Li; I-Ho | Driving controller of the electromotive bicycle |
| CN1167697A (en) * | 1996-06-12 | 1997-12-17 | 赖振辉 | Motor reducing gear buffer transmission for motor-driven vehicle |
| TW446662B (en) * | 1996-07-09 | 2001-07-21 | Honda Motor Co Ltd | Motor controlling device for motor assisted bicycle |
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1998
- 1998-05-07 CN CN98101695A patent/CN1081153C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100333965C (en) * | 2003-09-19 | 2007-08-29 | 缪华 | Speed controlled proportional assisted electric bicycle control system |
| CN104843133A (en) * | 2014-12-29 | 2015-08-19 | 新安乃达驱动技术(上海)有限公司 | Electric power-assisted bicycle torque sensing system and electric power-assisted bicycle |
| CN104843133B (en) * | 2014-12-29 | 2017-10-20 | 新安乃达驱动技术（上海）股份有限公司 | A kind of electric assisted bicycle moment sensing system and electric assisted bicycle |
| CN104477299A (en) * | 2014-12-31 | 2015-04-01 | 江苏绿能电动车科技有限公司 | Electric bicycle with independent controller |
| CN106080944A (en) * | 2015-05-01 | 2016-11-09 | 通用汽车环球科技运作有限责任公司 | There is the electric bicycle dynamical system of dual planetary gear |
| CN106080944B (en) * | 2015-05-01 | 2019-01-18 | 通用汽车环球科技运作有限责任公司 | Electric bicycle dynamical system with dual planetary gear |
| CN107176257A (en) * | 2017-06-29 | 2017-09-19 | 太仓市荣驰电机有限公司 | A kind of longitudinal motor driven systems of bicycle |
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| CN1081153C (en) | 2002-03-20 |
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