CN107867369A - Bicycle fluid drive method and system - Google Patents
Bicycle fluid drive method and system Download PDFInfo
- Publication number
- CN107867369A CN107867369A CN201610843852.6A CN201610843852A CN107867369A CN 107867369 A CN107867369 A CN 107867369A CN 201610843852 A CN201610843852 A CN 201610843852A CN 107867369 A CN107867369 A CN 107867369A
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- China
- Prior art keywords
- gear
- flywheel
- servo motor
- bicycle
- gear ratio
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/121—Rear derailleurs
- B62M9/122—Rear derailleurs electrically or fluid actuated; Controls thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J99/00—Subject matter not provided for in other groups of this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M9/00—Transmissions characterised by use of an endless chain, belt, or the like
- B62M9/04—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio
- B62M9/06—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like
- B62M9/10—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like
- B62M9/12—Transmissions characterised by use of an endless chain, belt, or the like of changeable ratio using a single chain, belt, or the like involving different-sized wheels, e.g. rear sprocket chain wheels selectively engaged by the chain, belt, or the like the chain, belt, or the like being laterally shiftable, e.g. using a rear derailleur
- B62M9/131—Front derailleurs
- B62M9/132—Front derailleurs electrically or fluid actuated; Controls thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Transmissions By Endless Flexible Members (AREA)
Abstract
The present invention provides a kind of bicycle fluid drive method and system.The method is the first gear that front chain mover is pushed to large fluted disc by servo motor before controlling, and rear chiain-moving device is sequentially pushed to most end flywheel by servo motor by the first flywheel of rear tooth disk after control, to measure the gear ratio between first gear and each flywheel.Afterwards, rear chiain-moving device is pushed to the first flywheel of rear tooth disk by servo motor after control, and front chain mover is sequentially pushed to most end gear by servo motor by the first gear of large fluted disc before control, to measure the gear ratio between the first flywheel and each gear.Then, its relation table with bicycle shift position is established using measured gear ratio.The last then riding configuration of detection user, according to relation table control front and rear servo motor promote before and after derailleur, to switch to the gear being suitable under the riding configuration.The gear ratio of back-geared various combinations before this programme can calculate, and suitable gear can be automatically switched to according to the riding configuration of user.
Description
Technical field
Move certainly the invention relates to a kind of bicycle control method and system, and in particular to a kind of bicycle
Shelves method and system.
Background technology
In today that motion general mood is increasingly prosperous, jog, swim and bicycle is all quite popular motion.Work as user
When riding bicycle, it will usually be switched to top gear to carry out gear-change operation, such as on level land according to the speed of itself or physical efficiency
Quickly to ride, or low or first gear is switched to save physical climbing when going up a slope.Therefore on the handle of bicycle generally all
The speed changer for being provided with front-wheel and trailing wheel carries out gear-change operation to provide user.
However, be typically to rely on experience to stir the speed changer of front-wheel or trailing wheel to switch gear during user's gear shift,
But the proportionate relationship of the number of teeth, does not know that next gear is (preceding yet between user is not aware that front and rear gear during the switching
The size order of back-geared gear ratio) physical location.As a result user generally requires to toggle repeatedly, can just be switched to
Meet it and ride the gear of demand at present.
The content of the invention
The present invention provides a kind of bicycle fluid drive method and system, the tooth of back-geared various combinations before can calculating
Number ratio, and the relation table of gear ratio and gear is established according to this, and can be automatically switched to suitably according to the riding configuration of user
Gear.
The bicycle fluid drive method of the present invention, the front chain mover of bicycle is configured at suitable for being controlled by computing device
Preceding servo motor promotes front chain mover, and controls the rear servo motor for the rear chiain-moving device for being configured at bicycle to promote rear chiain-moving device,
To switch the gear of bicycle.Front chain mover is pushed to multiple teeth of the large fluted disc of bicycle by servo motor before the method control
First gear in wheel, and servo motor is sequentially pushed away rear chiain-moving device by the first flywheel in multiple flywheels of rear tooth disk after control
Move to most end flywheel, to utilize the gear ratio between speed probe measurement first gear and each flywheel of rear tooth disk.Afterwards,
Rear chiain-moving device is pushed to the first flywheel of the rear tooth disk of bicycle by servo motor after control, and servo motor preceding will be dialled before control
Chain device is sequentially pushed to most end gear by the first gear of large fluted disc, to measure the first flywheel and large fluted disc using speed probe
Each gear between gear ratio.Then, the number of teeth between each flywheel of measured first gear and rear tooth disk is utilized
Than the gear ratio between the first flywheel and each gear of large fluted disc, the relation of the multiple gears and gear ratio of bicycle is established
Table.The last then riding configuration of detection bicycle user, and preceding servo motor and rear servo horse are controlled according to the relation table
Up to front chain mover and rear chiain-moving device is promoted, to switch to the gear being suitable under the riding configuration.
In one embodiment of this invention, front chain mover is pushed to the canine tooth of bicycle by servo motor before above-mentioned control
Before the step of first gear of disk, methods described also rotates the crank of bicycle to drive large fluted disc to be rotated with rear tooth disk, and
Front chain mover is pushed to another endpoint location by servo motor by endpoint location before control, and is utilized and be configured at around front chain mover
Oscillation Amplitude of the vibrating sensor detection front chain mover in moving process, determined with multiple peak values in this Oscillation Amplitude
Determine the position of each gear in large fluted disc relative to front chain mover, and be used for servo motor before controlling and be pushed to front chain mover respectively
Individual gear.
In one embodiment of this invention, first flywheel of the servo motor by rear chiain-moving device by rear tooth disk after above-mentioned control
Before the step of being sequentially pushed to most end flywheel, methods described also rotates the crank of bicycle to drive large fluted disc to turn with rear tooth disk
It is dynamic, and rear chiain-moving device is pushed to another endpoint location by servo motor by end point position after control, and dialled using after being configured at
Oscillation Amplitude of the vibrating sensor detection rear chiain-moving device in moving process around chain device, with more in this Oscillation Amplitude
Individual peak value determines the position of each flywheel in rear tooth disk relative to rear chiain-moving device, and is used for after controlling servo motor by rear chiain-moving device
It is pushed to each flywheel.
In one embodiment of this invention, above-mentioned each flywheel that first gear and rear tooth disk are measured using speed probe
Between gear ratio the step of leaned on including rotating the crank of bicycle to drive large fluted disc and rear tooth disk to rotate, and using being configured at
First rotating speed of large fluted disc when preceding speed probe detection front chain mover on the spoke of nearly large fluted disc is located at first gear, and profit
The of rear tooth disk when being located at the first flywheel with the rear speed probe detection rear chiain-moving device being configured on the spoke close to rear tooth disk
Two rotating speeds, so as to calculate the ratio of the second rotating speed and the first rotating speed using as the gear ratio between first gear and the first flywheel,
It is last then rear chiain-moving device is pushed to next flywheel of first flywheel by servo motor after controlling, and repeat the above steps, with
Calculate the gear ratio between first gear and each flywheel.
In one embodiment of this invention, between the first gear measured by above-mentioned utilization and each flywheel of rear tooth disk
Gear ratio between each gear of gear ratio and the first flywheel and large fluted disc, establish the multiple gears and gear ratio of bicycle
The step of relation table the relation table including establishing the corresponding relation between flywheel and gear, and insert in this relation table measured
First gear and rear tooth disk each flywheel between gear ratio and the first flywheel and each gear of large fluted disc between tooth
Number ratio, so as to the gear ratio and the first flywheel and large fluted disc between each flywheel according to measured first gear and rear tooth disk
Each gear between gear ratio, calculated using continued proportion formula between each flywheel of other each gears and rear tooth disk should
Gear ratio, finally then the gear ratio in relation table is sorted, and determine gear corresponding to each gear ratio from small to large and record
In relation table.
In one embodiment of this invention, the above-mentioned gear ratio by relation table sorts, and determines each tooth from small to large
Number corresponding to than gears and the step of be recorded in relation table including gear ratio is identical or the difference of gear ratio is less than preset value
The combination of gear and flywheel is set as identical gear.
In one embodiment of this invention, it is above-mentioned to control preceding servo motor to be dialled before being promoted with rear servo motor according to relation table
Chain device and rear chiain-moving device, it is included in correspondingly two kinds of the gear to be switched the step of the gear being suitable under riding configuration to switch to
More than gear and flywheel combination when, according to gear and flywheel corresponding to current gear, select needed for switching gear with flying
The combination that the number of wheel is minimum switches over.
In one embodiment of this invention, above-mentioned speed probe includes controller and magnetic reed switch, infrared ray are opened
Close or laser switch, wherein this controller include the trigger signal according to magnetic reed switch, infrared switch laser switch output
Time interval calculate gear ratio between each flywheel and each gear.
In one embodiment of this invention, the step of riding configuration of the user of above-mentioned detection bicycle is using life
The physiologic information of information sensor detection user is managed, judges the riding configuration of user according to this.
In one embodiment of this invention, the step of riding configuration of the user of above-mentioned detection bicycle is using this
Speed probe detect the user trample the bicycle pedal speed or using being configured at pressure sensing on the pedal
Device detects the strength that the user tramples the pedal, judges the riding configuration of user according to this.
A kind of bicycle automatic shift system of the present invention, suitable for switching the gear of bicycle.This system includes preceding servo
Motor, rear servo motor, preceding speed probe, rear speed probe, at least one sensor and computing device.Wherein, it is preceding to watch
Motor configurations are taken in the front chain mover of bicycle, promote front chain mover；Servo motor is configured at the rear chiain-moving device of bicycle afterwards, pushes away
Dynamic rear chiain-moving device；Preceding rotating speed sensor configuration detects the first rotating speed of large fluted disc on the spoke of large fluted disc；Rotating speed passes afterwards
Sensor is configured on the spoke of the rear tooth disk, detects the second rotating speed of the rear tooth disk；The sensor is to detect certainly
The riding configuration of driving user；Computing device connect foregoing preceding servo motor, rear servo motor, preceding speed probe and after
Front chain mover is pushed to multiple teeth of the large fluted disc of bicycle by servo motor before speed probe, wherein computing device can control
First gear in wheel, and servo motor is sequentially pushed away rear chiain-moving device by the first flywheel in multiple flywheels of rear tooth disk after control
Move to most end flywheel, with the first rotating speed and the second rotating speed detected using preceding speed probe and rear speed probe, measurement
Gear ratio between first gear and each flywheel of rear tooth disk.Afterwards, servo motor dials chain by after after computing device can control
Device is pushed to the first flywheel of the rear tooth disk of bicycle, and first gear of the servo motor by front chain mover by large fluted disc before control
Sequentially be pushed to most end gear, with the first rotating speed and the second rotating speed detected using speed probe, the first flywheel of measurement with
Gear ratio between each gear of large fluted disc.Then, computing device can utilize each of measured first gear and rear tooth disk
Gear ratio and the first flywheel between individual flywheel and the gear ratio between each gear of large fluted disc, establish multiple shelves of bicycle
Position and the relation table of gear ratio.Finally, the riding configuration that computing device can be detected according to the sensor, according to relation table control
Make preceding servo motor and promote front chain mover and rear chiain-moving device with rear servo motor, to switch to the gear being suitable under riding configuration.
In one embodiment of this invention, above-mentioned computing device also bicycle crank rotate and drive large fluted disc with
When rear tooth disk rotates, front chain mover is pushed to another endpoint location by servo motor by end point position before control, and is utilized and matched somebody with somebody
Oscillation Amplitude of the vibrating sensor detection front chain mover in moving process being placed in around front chain mover, with according to Oscillation Amplitude
In multiple peak values determine the position of each gear in large fluted disc relative to front chain mover, and before being used to controlling servo motor will before
Derailleur is pushed to each gear.
In one embodiment of this invention, above-mentioned computing device also bicycle crank rotate and drive large fluted disc with
When rear tooth disk rotates, rear chiain-moving device is pushed to another endpoint location by servo motor by end point position after control, and is utilized and matched somebody with somebody
Oscillation Amplitude of the vibrating sensor detection rear chiain-moving device in moving process being placed in around rear chiain-moving device, with according to Oscillation Amplitude
In multiple peak values determine rear tooth disk in each flywheel relative to rear chiain-moving device position, and be used for control after servo motor will after
Derailleur is pushed to each flywheel.
In one embodiment of this invention, above-mentioned computing device is included in the crank rotation of bicycle and drives large fluted disc
When being rotated with rear tooth disk, the first rotating speed of large fluted disc when being located at first gear using preceding speed probe detection front chain mover, and
The second rotating speed of rear tooth disk, calculates the second rotating speed and first when being located at the first flywheel using rear speed probe detection rear chiain-moving device
The ratio of rotating speed is to push away rear chiain-moving device as servo motor after the gear ratio between first gear and the first flywheel, and control
Move to next flywheel of the first flywheel, and repeat the above steps, to calculate the gear ratio between first gear and each flywheel.
In one embodiment of this invention, above-mentioned computing device includes the corresponding relation established between flywheel and gear
Relation table, and by the gear ratio between each flywheel of measured first gear and rear tooth disk and the first flywheel and large fluted disc
Gear ratio between each gear is inserted, and according to the gear ratio between each flywheel of measured first gear and rear tooth disk
With the gear ratio between the first flywheel and each gear of large fluted disc, other each gears and rear tooth disk are calculated using continued proportion formula
Each flywheel between gear ratio, finally then the gear ratio in relation table is sorted, and determines each gear ratio from small to large
Corresponding gear is simultaneously recorded in relation table.
In one embodiment of this invention, above-mentioned computing device includes gear ratio is identical or the difference of gear ratio is less than
The combination of the gear and flywheel of preset value is set as identical gear.
In one embodiment of this invention, if the computing device gear to be switched corresponds to two or more gear and flywheel
The combination, computing device includes gear and flywheel according to corresponding to current gear, select needed for switching gear and flywheel
The minimum combination of number switches over.
In one embodiment of this invention, above-mentioned preceding speed probe and rear speed probe include respectively controller with
And magnetic reed switch, infrared switch or laser switch, wherein controller include being opened according to magnetic reed switch, infrared switch or laser
The time interval for closing the trigger signal of output calculates the first rotating speed and the second rotating speed.
In one embodiment of this invention, above-mentioned sensor includes physiological information sensor, and it is to detect use
The physiologic information of person, and the riding configuration that computing device judges user according to this is provided.
In one embodiment of this invention, above-mentioned sensor includes pressure sensor, and it is configured at the pedal of bicycle
On, to detect the strength of user's pushes pedals, and provide the riding configuration that computing device judges user according to this.
Based on above-mentioned, of the invention bicycle fluid drive method and system by matching somebody with somebody before and after bicycle in derailleur
Servo motor is put, is controlled by computing device with back-geared gear ratio before derailleur before and after promotion and measurement, so as to be scaled certainly
The gear of driving.Accordingly, computing device can automatically control front and rear derailleur switching at any time according to the current riding configuration of user
To suitable gear.
For features described above of the invention and advantage can be become apparent, special embodiment below, and it is detailed to coordinate accompanying drawing to make
Carefully it is described as follows.
Brief description of the drawings
Fig. 1 is the schematic diagram according to the bicycle automatic shift system shown by one embodiment of the invention.
Fig. 2 is the configuration schematic diagram according to rear servo motor and rear chiain-moving device shown by one embodiment of the invention.
Fig. 3 is the flow chart according to the bicycle fluid drive method shown by one embodiment of the invention.
Fig. 4 is the method flow diagram according to the calculating gear ratio shown by one embodiment of the invention.
Drawing reference numeral explanation：
10：Bicycle device；
11：Large fluted disc；
12：Front chain mover；
13：Rear tooth disk；
14：Rear chiain-moving device；
15：Crank；
16：Pedal；
17：Chain；
20：Bicycle automatic shift system；
21：Preceding servo motor；
22：Servo motor afterwards；
221：Rotating lever；
23：Preceding speed probe；
24：Speed probe afterwards；
25：Computing device；
26：Sensor；
S302~S308：The step of bicycle fluid drive method of one embodiment of the invention；
S402~S412：The step of calculating number of teeth ratio method of one embodiment of the invention.
Embodiment
The present invention designs the attachable servo motor before and after bicycle in derailleur, and it can pass through the control of computing device
System, derailleur moves on the large fluted disc and rear tooth disk of bicycle before and after promotion, to switch different gears.Promoting derailleur
While, the present invention also measures its rotating speed using speed probe of the configuration around large fluted disc and rear tooth disk, and calculates according to this
Gear ratio between each flywheel of each gear and rear tooth disk of large fluted disc.And it can be returned according to the sequence of gear ratio, the present invention
The gear of bicycle is received out, so as to when user rides bicycle, automatically switch to the gear for being most suitable for current riding configuration.
Whereby, automatic shift system of the invention can assisting user automatically switch suitable gear according to current riding configuration, so as to full
The riding demand of sufficient user.
Fig. 1 is the schematic diagram according to the bicycle automatic shift system shown by one embodiment of the invention.It refer to Fig. 1,
The bicycle automatic shift system 20 of the present embodiment is configured on bicycle device 10, and it includes configuration on front chain mover 12
Preceding servo motor 21, rear servo motor 22 of the configuration on rear chiain-moving device 14, before being configured on the spoke of large fluted disc 11
Speed probe 23, the rear speed probe 24 being configured on the spoke of rear tooth disk 13, and be configured in hand handle 17
Computing device 25.In addition, bicycle automatic shift system 20 may also include the sensor 26 being configured in hand handle 18.Wherein, it is preceding
Servo motor 21 is promoting front chain mover 12 to be moved between multiple gears of large fluted disc 11；Servo motor 22 is promoting afterwards
Rear chiain-moving device 14 moves between multiple flywheels of rear tooth disk 13；Preceding speed probe 23 is detecting the rotating speed of large fluted disc 11；
Speed probe 24 is detecting the rotating speed of rear tooth disk 13 afterwards；Sensor 26 is, for example, heart rate sensor, and it can be used to detection and rides
Multiply the heart rate of the user of bicycle 10.When user's pushes pedals 16, its pedal force can drive crank 15 and large fluted disc 11
Rotate, and large fluted disc 11 can be by pulling chain 17, and drive rear tooth disk 13 to rotate, so as to drive bicycle 10 to advance.
Above-mentioned preceding speed probe 23 and rear speed probe 24 are for example including controller and magnetic reed switch, infrared ray
Switch or laser switch.Wherein, the trigger signal that controller can export according to magnetic reed switch, infrared switch or laser switch
Time interval, the rotating speed of large fluted disc 11 and rear tooth disk 13 is calculated, and calculated according to this between each flywheel and each gear
Gear ratio.
Computing device 25 be, for example, mobile phone, tablet personal computer or other there is the computing device of operational capability, it can be arranged on
On fixed mount in hand handle 17, and can be by wired or wireless mode, the preceding speed probe 23 of reception and rear speed probe
The detected value of 24 rotating speeds detected and sensor 26.In addition, computing device 25 can also be controlled by wired or wireless mode
Servo motor 22 promotes rear chiain-moving device 14 after preceding servo motor 21 promotes front chain mover 12 and control, to reach switching gear
Effect.Computing device 25 is for example also equipped with display, its can for example show gear where current gear, front chain mover 12,
The information such as the riding configuration of flywheel and/or detected user where rear chiain-moving device 14, and user can be provided and inspected.
Computing device 25 also can operation display interface over the display, there is provided user set in a manual fashion front chain mover 12, after
The position of derailleur 14, set gear or carry out other operations, do not limit herein.
It should be noted that the configuration of the sensor 26 of the present embodiment is by way of example only, and in other embodiments, sensor
26 also include can be used to detect user's body temperature, blood pressure, blood glucose, blood oxygen, body fat, moisture, lactic acid, electrocardiogram (ECG/EKG) etc.
The physiological information sensor of physiologic information, it is configured in other positions on the car body of bicycle 10 or the conjunction with user
Suitable position, and to detect the physiologic information of user.In addition, in other embodiments, sensor 26 can also be arranged in
Pressure sensor on the pedal 16 of bicycle 10, the strength of its detectable user's pushes pedals 16.Or sensor 26
Can be preceding speed probe 23, and to detect the speed of the pedal 16 of user's treadled cycle 10.In short, this implementation
The bicycle automatic shift system 20 of example can arrange in pairs or groups any species and any amount of sensor, and be not limited to sensing heart rate
Device.
Fig. 2 is the configuration schematic diagram according to rear servo motor and rear chiain-moving device shown by one embodiment of the invention.It please join
According to Fig. 2, rear chiain-moving device 14 is, for example, the derailleur of brands various on the market at present, and it can drive the chain of bicycle 10 in rear tooth
Move back and forth on disk 13, to switch different flywheels.Servo motor 22 is then structure institute of the present invention according to rear chiain-moving device 14 afterwards
Design, it can assemble and be fixed on rear chiain-moving device 14, and can promote rear chiain-moving device 14 inwardly or court by rotating lever 221
Outer movement.For example can also configure in servo motor 22 afterwards support bluetooth, infrared ray, radio facsimile (Wireless Fidelity,
WiFi) or the Radio Transmission Technology such as wireless near field communication (Near Field Communication, NFC) communicator
(not shown), it wirelessly can communicate with computing device 25, and can receive the control signal of computing device 25, with control
Servo motor 22 promotes rear chiain-moving device 14 after system.In other embodiments, rear servo motor 22 also can by wired mode with
Computing device 25 connects, and does not limit herein.
Fig. 3 is the flow chart according to the bicycle fluid drive method shown by one embodiment of the invention.Please join simultaneously
According to Fig. 1 and Fig. 3, the method for the present embodiment is applied to above-mentioned bicycle automatic shift system 20.Below i.e. in collocation Fig. 1 voluntarily
Each item of car automatic shift system 20, illustrate the detailed process of the present embodiment method.
First, front chain mover 12 is pushed to the large fluted disc 11 of bicycle 10 by servo motor 21 before being controlled by computing device 25
Multiple gears in first gear, and control after servo motor 22 by rear chiain-moving device 14 by multiple flywheels of rear tooth disk 13
First flywheel is sequentially pushed to most end flywheel, to utilize the speed probe 23 being configured on the spoke of large fluted disc 11 with leaning on
Speed probe 24 on the spoke of nearly rear tooth disk 13 measures the gear ratio (step between first gear and each flywheel of rear tooth disk
Rapid S302).
In detail, Fig. 4 is the method flow diagram according to the calculating gear ratio shown by one embodiment of the invention.It refer to
Fig. 4, the method for the present embodiment illustrate above-mentioned steps S302 detailed process.
First, the crank 15 of bicycle 10 is rotated by user to drive large fluted disc 11 and rear tooth disk 13 to rotate (step
S402).Now, computing device 25 detects front derailleur using the speed probe 23 being configured on the spoke of large fluted disc 11
First rotating speed of large fluted disc 11 when device 12 is located at first gear, and passed using the rotating speed being configured on the spoke of rear tooth disk 13
Sensor 24 detects the second rotating speed (step S404) of rear tooth disk 13 when rear chiain-moving device 14 is located at the first flywheel.Then, computing device
25 can calculate the ratio of this second rotating speed and the first rotating speed to be used as the gear ratio (step between first gear and the first flywheel
S406)。
The present embodiment promotes rear chiain-moving device 14 in proper order by the way that front chain mover 12 to be fixed on to the first gear of large fluted disc 11
Switch between multiple flywheels of rear tooth disk 13, and it is measurable go out tooth between first gear and each flywheel of rear tooth disk 13
Number ratio.Wherein, front chain mover 12 can be fixed on large fluted disc 11 maximum gear or minimum gear where position on, the present embodiment
Do not limit.Similarly, rear chiain-moving device 14 also can first be moved on the position of the maximum flywheel of rear tooth disk 13 and sequentially switch to again
Minimum flywheel, or can first be moved to rear tooth disk 13 minimum flywheel position on sequentially switch to maximum flywheel, this implementation again
Example is not also limited.
It should be noted that before above-mentioned rate-determining steps are carried out, computing device 25 needs to determine in large fluted disc 11 in advance
The position of each gear and the position of each flywheel in rear tooth disk 13 so that its servo motor 21 before subsequent control pushes away
When servo motor 22 promotes rear chiain-moving device 14 after dynamic front chain mover 12 or control, the tooth to be switched to can be pushed to exactly
The position of wheel or flywheel.In one embodiment, computing device 25 can in its display operation display interface, for user
Servo motor 22 promotes rear chiain-moving device 14 after servo motor 21 promotes front chain mover 12 or control before controlling in a manual fashion, and
Voluntarily judge the position of each gear in large fluted disc 11 and the position of each flywheel in rear tooth disk 13 and calculated with being set in
Device 25.And in another embodiment, computing device 25 can utilize the mode of sensor detection vibration, confirm each gear with flying
The position of wheel, whole process can adopt automatic mode and carry out, manually operated without user.
In detail, for each gear in large fluted disc 11, bicycle 10 can be exerted a force by user or electro-motor
Force, rotating crank 15 is to drive large fluted disc 11 to be rotated with rear tooth disk 13.Now, servo motor 21 before computing device 25 is controllable
Front chain mover 12 is promoted to be moved to another endpoint location (such as being moved to most inner side by outermost) by an endpoint location, and
Utilize vibration of the vibrating sensor (not shown) detection front chain mover 12 being configured at around front chain mover 12 in moving process
Amplitude, the position with each gear in multiple peak values decision large fluted disc 11 in Oscillation Amplitude relative to front chain mover 12,
And it is used for servo motor 21 before controlling and front chain mover 12 is pushed to each gear.Specifically, whenever front chain mover 12 is stirred
When on 17 to one gears of chain, chain 17 can produce a certain degree of vibration during the gear is moved to, and work as chain
When bar 17 slips into the gear, Oscillation Amplitude is maximum.Accordingly, computing device 25 can be directed in the moving process of front chain mover 12 and be examined
The peak value of the Oscillation Amplitude measured determines the position of gear.
Similarly, for each flywheel in rear tooth disk 13, bicycle 10 can also be exerted a force by user or electro-motor
Force, rotating crank 15 is to drive large fluted disc 11 to be rotated with rear tooth disk 13.Now, servo motor 22 after computing device 25 is controllable
Rear chiain-moving device 14 is promoted to be moved to another endpoint location (such as being moved to most inner side by outermost) by an endpoint location, and
Utilize vibration of the vibrating sensor (not shown) detection rear chiain-moving device 14 being configured at around rear chiain-moving device 14 in moving process
Amplitude, the position with each flywheel in multiple peak values decision rear tooth disk 13 in Oscillation Amplitude relative to rear chiain-moving device 14,
And it is used for servo motor 22 after controlling and rear chiain-moving device 14 is pushed to each flywheel.
After the gear ratio between first gear and the first flywheel has been calculated, computing device 25 dials chain after judging at present
Whether device 14 has been pushed into most end flywheel (step S408).If being not yet pushed to most end flywheel, computing device 25 can control
Rear chiain-moving device 14 is pushed to next flywheel (step S410) of the first flywheel by servo motor 22 afterwards, and returns to step S402, after
The continuous gear ratio calculated between first gear and this next flywheel.Above-mentioned steps can be repeatedly performed, until computing device 25
When judging that current rear chiain-moving device 14 has been pushed into most end flywheel, just terminate to measure (step S412).
By the above method, computing device 25 can calculate the first gear of large fluted disc 11 and fly with each of rear tooth disk 13
Gear ratio between wheel.
Fig. 3 flow is returned to, in step s 304, similar to step S302 way, computing device 25 will be changed to control
Rear chiain-moving device 14 is pushed to the first flywheel of the rear tooth disk 13 of bicycle 10, and servo motor 21 before control by servo motor 22 afterwards
Front chain mover 12 is sequentially pushed to most end gear by the first gear of large fluted disc 11, is configured at utilizing close to large fluted disc 11
Preceding speed probe 23 on spoke and the rear speed probe 24 on the spoke of rear tooth disk 13 measure the first flywheel with it is big
Gear ratio (step S304) between each gear of fluted disc 11.In short, computing device 25 is by the way that rear chiain-moving device 14 is consolidated
Due to the first flywheel of rear tooth disk 13, and front chain mover 12 is promoted to switch between multiple gears of large fluted disc 11 in proper order, to survey
Gear ratio between the flywheel of flow control one and each gear of large fluted disc 11.And on the calculating of gear ratio, it can refer to prior figures 4
Way, will not be repeated here.
Gear ratio and rear tooth disk 13 between the first gear and each flywheel of rear tooth disk 13 for obtaining large fluted disc 11
The first flywheel and large fluted disc 11 each gear between gear ratio after, computing device 25 i.e. can be used to establish the more of bicycle
The relation table (step S306) of individual gear and gear ratio.
In detail, the relation table for the corresponding relation that computing device 25 can be for example established between a record flywheel and gear,
And the gear ratio and the first flywheel inserted in this relation table between measured first gear and each flywheel of rear tooth disk
Gear ratio between each gear of large fluted disc.Then, the gear ratio that computing device 25 can be in this relation table, using even
The gear ratio between other gears and flywheel is calculated than formula.After each group of gear ratio between gear and flywheel is obtained,
Computing device 25 can sort the gear ratio in relation table, determine gear corresponding to each gear ratio from small to large and be recorded in pass
It is table.
As an example it is assumed that large fluted disc has 3 gears, and its number of teeth is sequentially 44,32,22 from large to small, rear tooth disk
With 9 flywheels, and its number of teeth is sequentially 34,30,26,23,20,17,15,13,11 from large to small.By above-mentioned method,
Computing device can calculate the gear ratio of each flywheel in minimum gear (number of teeth 22) and rear tooth disk in large fluted disc, and after obtaining
Maximum flywheel (number of teeth 34) and the gear ratio of each gear in large fluted disc in fluted disc.And according to the tooth between these flywheels and gear
Number ratio, can establish the relation table as shown in following table one.
| 44 | 32 | 22 | |
| 34 | 1.294117 | 0.941176 | 0.647058 |
| 30 | 0.733333 | ||
| 26 | 0.846153 | ||
| 23 | 0.956521 | ||
| 20 | 1.1 | ||
| 17 | 1.294117 | ||
| 15 | 1.466666 | ||
| 13 | 1.692307 | ||
| 11 | 2 |
Table one
Then, computing device can calculate remaining each tooth according to the gear ratio in above-mentioned relation table using continued proportion formula
Gear ratio between wheel and each flywheel.For example, the gear ratio r (32,30) of gear (number of teeth 32) and flywheel (number of teeth 30)
It can be calculated by following equation to obtain：
R (32,30)=r (22,30)/r (22,34) × r (32,34)
=0.733333/0.647058 × 0.941176
=1.066666
By that analogy, you can calculate the gear ratio of blank parts in above-mentioned relation table, then these gear ratios are inserted into table
After one, you can obtain following table two.
| 44 | 32 | 22 | |
| 34 | 1.294117(10) | 0.941176(4) | 0.647058(1) |
| 30 | 1.466666(13) | 1.066666(6) | 0.733333(2) |
| 26 | 1.692307(16) | 1.230769(8) | 0.846153(3) |
| 23 | 1.913043(18) | 1.391304(11) | 0.956521(5) |
| 20 | 2.200000(21) | 1.600000(14) | 1.100000(7) |
| 17 | 2.588235(23) | 1.882352(17) | 1.294117(9) |
| 15 | 2.933333(25) | 2.133333(20) | 1.466666(12) |
| 13 | 3.384615(26) | 2.461538(22) | 1.692307(15) |
| 11 | 4.000000(27) | 2.909090(24) | 2.000000(19) |
Table two
Pass through the above method, you can in the case where not measuring and calculating all gear ratios, with minimum measurement number
According to the gear ratio calculated between all gears and flywheel.And after the gear ratio between all gears and flywheel is obtained, meter
Calculating device can be ranked up these gear ratios from small to large, and the shelves with the size order of these gear ratios as bicycle
Position, finally obtain the relation table of the bicycle shift position (being shown in the numeral in parantheses) and gear ratio as shown in upper table two.Wherein,
The gear of bicycle includes 27 grades.
It should be noted that the number of teeth theory merely for convenience of each flywheel of each gear and rear tooth disk of above-mentioned large fluted disc
Bright and provided in a manner of hypothesis, actually method of the invention is in measurement rotating speed and during calculating gear ratio, completely not
These numbers of teeth will not also be used by needing to know.That is, by the method for the present invention, user only need to be by before and after the present invention
After servo motor and speed probe are arranged on bicycle and be connected with computing device, during by one section of the crank of rotation bicycle
Between, computing device can automatically calculate the gear ratio of all gears and flywheel and set gear, and pilot process will be not required to
Want user set in computing device before and after fluted disc number of gears or size (number of teeth).
In addition, from the gear ratio between each gear shown in upper table two and each flywheel, there are many gears with flying
The combination of wheel can have identical gear ratio.That is, when bicycle is switched to the combination of these gears and flywheel, use
The force that person tramples is identical with the FORCE FEEDBACK experienced.Therefore, in other embodiments, computing device can be calculated it
The combination of gear ratio is identical or the difference of gear ratio is less than preset value gear and flywheel be integrated into identical gear, so may be used
The gear of bicycle is reduced to gear different from each other.
For example, computing device can be by gear ratio identical gear 9 in upper table two and 10, gear 12 and 13 and gear
15 merge with 16, and by after the gear rearrangement in table two, you can obtain relation table after the renewal shown in following table three.Wherein,
The gear of bicycle is suitably reduced to 24 grades.And if consideration also merges gear similar in gear ratio, can enter again
One step is reduced to less than 24 grades.
| 44 | 32 | 22 | |
| 34 | 1.294117(9) | 0.941176(4) | 0.647058(1) |
| 30 | 1.466666(11) | 1.066666(6) | 0.733333(2) |
| 26 | 1.692307(13) | 1.230769(8) | 0.846153(3) |
| 23 | 1.913043(15) | 1.391304(10) | 0.956521(5) |
| 20 | 2.200000(18) | 1.600000(12) | 1.100000(7) |
| 17 | 2.588235(20) | 1.882352(14) | 1.294117(9) |
| 15 | 2.933333(22) | 2.133333(17) | 1.466666(11) |
| 13 | 3.384615(23) | 2.461538(19) | 1.692307(13) |
| 11 | 4.000000(24) | 2.909090(21) | 2.000000(16) |
Table three
It should be noted that the foundation of above-mentioned gear and gear ratio relation table needs to spend the time, thus lie in user in
When bicycle automatic shift system 20 is newly installed on bicycle 10, or user resets relation table in selection on computing device 25
When, computing device 25 can just carry out the foundation or renewal of this relation table.After once relation table is established, computing device 25 can be by this
In the data deposit memory of relation table or other store medias, so as to computing device 25 it is follow-up need to switch gear when can be with
Access uses.
Fig. 3 flow is returned to, in step S308, computing device 25 can utilize the user of the detection bicycle of sensor 26
Riding configuration (such as heart rate of user is detected using heart rate sensor), and according to servo horse before above-mentioned relation table control
Front chain mover 12 and rear chiain-moving device 14 are promoted up to 21 and rear servo motor 22, to switch to the gear being suitable under this riding configuration.
Wherein, computing device 25 for example can be by the riding configuration detected compared with preset upper limit and pre-determined lower limit, if riding shape
State is more than preset upper limit, then according to relation table by the previous gear (higher gear) of gear switch to current gear；If riding
State is less than pre-determined lower limit, then according to relation table by the latter gear of gear switch to current gear (compared with low-grade location).
For example, computing device 25 for example can be by the history of the heart rate detected by heart rate sensor and user's heart rate
Record or the higher limit of user's setting are compared, and are height when finding detected heart rate compared with history value or setting value
When, then the previous gear of current gear can be inquired about from above-mentioned relation table, and according to the gear pair recorded in relation table
The number of teeth and flywheel answered, control servo motor 21 promote front chain mover 12 and rear chiain-moving device 14 with rear servo motor 22, with switching
To the gear.
It should be noted that in other embodiments, when computing device 25 is switching gear, if the gear pair to be switched
Answer the combination of two or more gears and flywheel, then computing device 25 for example can according to corresponding to current gear gear and flywheel,
The minimum combination of the number of the required gear switched of selection and flywheel switches over.Whereby, minimum change gear number can be used
Mesh switches to required gear, so as to save the time that change gear is spent.
For example, by taking the gear of table three and gear ratio relation table as an example, if the current gear of bicycle is the 8th grade (right
Answer gear ratio r (32,26)), and computing device is intended to switch to the 9th grade according to riding configuration, then because the 9th grade can correspond to the number of teeth
Switched to than r (22,17) and r (44,34), and by current gear ratio r (32,26) needed for gear ratio r (22,17) and r (44,34)
The number of gears of switching is respectively 4 and 3, and computing device will select to switch to the gear corresponding to gear ratio r (44,34)
(number of teeth 44) and flywheel (number of teeth 34), to save the time that change gear is spent.
In summary, bicycle fluid drive method and system of the invention before and after bicycle in derailleur configuration watch
Motor is taken, and by the control of computing device, derailleur change gear before and after promotion, and preceding back-geared number of teeth is calculated according to this
Than, and according to the size of calculated gear ratio, it is set as the gear of bicycle from small to large.And the gear set according to these,
Computing device can automatically control front and rear derailleur and switch to suitable gear at any time according to the riding configuration of user.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (20)
1. a kind of bicycle fluid drive method, the preceding servo of the front chain mover suitable for being configured at bicycle by computing device control
Motor promotes the front chain mover, and controls the rear servo motor for the rear chiain-moving device for being configured at the bicycle to promote the rear chiain-moving device,
To switch the gear of the bicycle, this method comprises the following steps：
The preceding servo motor is controlled to promote the first gear in the front chain mover to multiple gears of the large fluted disc of the bicycle, and
Control the rear servo motor to promote the rear chiain-moving device to be sequentially moved to most end by the first flywheel in multiple flywheels of rear tooth disk to fly
Wheel, to measure the gear ratio between the first gear and each flywheel of the rear tooth disk using speed probe；
Control the rear servo motor promote in the rear chiain-moving device to the flywheel of the rear tooth disk of the bicycle this first fly
Wheel, and control the preceding servo motor to promote the front chain mover sequentially to be moved by the first gear in the gear of the large fluted disc
To the most end gear, to measure being somebody's turn to do between first flywheel and each gear of the large fluted disc using the speed probe
Gear ratio；
Using the gear ratio between each flywheel of the measured first gear and the rear tooth disk and first flywheel with
The gear ratio between each gear of the large fluted disc, establishes multiple gears of the bicycle and the relation of the gear ratio
Table；And
The riding configuration of the user of the bicycle is detected, and the preceding servo motor and the rear servo horse are controlled according to the relation table
Up to the front chain mover and the rear chiain-moving device is promoted, to switch to the gear being suitable under the riding configuration.
2. according to the method for claim 1, wherein controlling the preceding servo motor to promote the front chain mover to the bicycle
The large fluted disc the first gear the step of before, in addition to：
The crank of the bicycle is rotated to drive the large fluted disc to be rotated with the rear tooth disk；
The preceding servo motor is controlled to promote the front chain mover to be moved to another endpoint location by end point position；And
Oscillation Amplitude of the front chain mover in moving process is detected using the vibrating sensor being configured at around the front chain mover,
The position of each gear in the large fluted disc relative to the front chain mover is determined with multiple peak values in the Oscillation Amplitude, and
For controlling the preceding servo motor to promote the front chain mover to each gear.
3. according to the method for claim 1, wherein controlling the rear servo motor to promote the rear chiain-moving device by the rear tooth disk
First flywheel the step of being sequentially moved to the most end flywheel before, in addition to：
The crank of the bicycle is rotated to drive the large fluted disc to be rotated with the rear tooth disk；
The rear servo motor is controlled to promote the rear chiain-moving device to be moved to another endpoint location by end point position；And
Oscillation Amplitude of the rear chiain-moving device in moving process is detected using the vibrating sensor being configured at around the rear chiain-moving device,
The position of each flywheel in the rear tooth disk relative to the rear chiain-moving device is determined with multiple peak values in the Oscillation Amplitude, and
For controlling the rear servo motor to promote the rear chiain-moving device to each flywheel.
4. according to the method for claim 1, wherein measuring the first gear and the rear tooth disk using the speed probe
Each flywheel between the gear ratio the step of include：
The crank of the bicycle is rotated to drive the large fluted disc to be rotated with the rear tooth disk；
The front chain mover, which is detected, using the preceding speed probe being configured on the spoke of the large fluted disc is located at the first gear
When the large fluted disc the first rotating speed, and detect this rear group using the rear speed probe being configured on the spoke close to the rear tooth disk
Second rotating speed of rear tooth disk when chain device is located at first flywheel；
The ratio of second rotating speed and first rotating speed is calculated as the gear ratio between the first gear and first flywheel；
And
The next flywheel for controlling the rear servo motor to promote the rear chiain-moving device to first flywheel, and repeat the above steps, in terms of
Calculate the gear ratio between the first gear and each flywheel.
5. according to the method for claim 1, wherein utilizing each of the measured first gear and the rear tooth disk described to fly
Gear ratio and first flywheel between wheel and the gear ratio between each gear of the large fluted disc, establish the bicycle
Multiple gears and the gear ratio the relation table the step of include：
The relation table for the corresponding relation established between the flywheel and the gear；
The gear ratio inserted between the measured first gear and each flywheel of the rear tooth disk and first flywheel with
The gear ratio between each gear of the large fluted disc is in the relation table；
According to the gear ratio between each flywheel of the measured first gear and the rear tooth disk and first flywheel with
The gear ratio between each gear of the large fluted disc, other each described gears and the rear tooth disk are calculated using continued proportion formula
The gear ratio between each flywheel；And
The gear ratio to sort in the relation table, the gear corresponding to each gear ratio is determined from small to large and is recorded in this
Relation table.
6. according to the method for claim 5, wherein the gear ratio in the relation table that sorts, determines each institute from small to large
State the gear corresponding to gear ratio and include the step of being recorded in the relation table：
The combination of the gear ratio is identical or the difference of the gear ratio is less than preset value the gear and the flywheel is set as identical
The gear.
7. according to the method for claim 6, wherein controlling the preceding servo motor and the rear servo motor according to the relation table
The front chain mover and the rear chiain-moving device are promoted, is included with switching to the step of the gear being suitable under the riding configuration：
If this to be switched gear corresponds to the two or more gears and combined with this of the flywheel, according to the current gear pair
The gear answered and the flywheel, required number at least this of the gear and the flywheel of switching is selected to combine and switch over.
8. according to the method for claim 1, wherein the speed probe includes controller and magnetic reed switch, infrared ray
Switch or laser switch, the wherein controller include what is exported according to the magnetic reed switch, the infrared switch or the laser switch
The time interval of trigger signal calculates the gear ratio between each flywheel and each gear.
9. according to the method for claim 1, wherein the step of detecting the riding configuration of the user of the bicycle is wrapped
Include：
The physiologic information of the user is detected using physiological information sensor, judges the riding configuration of the user according to this.
10. according to the method for claim 1, wherein the step of detecting the riding configuration of the user of the bicycle is wrapped
Include：
Using the speed probe detect the user trample the bicycle pedal speed or using being configured on the pedal
Pressure sensor detect the strength that the user tramples the pedal, judge the riding configuration of the user according to this.
11. a kind of bicycle automatic shift system, suitable for switching the gear of bicycle, including：
Preceding servo motor, the front chain mover of the bicycle is configured at, promotes the front chain mover；
Servo motor afterwards, the rear chiain-moving device of the bicycle is configured at, promotes the rear chiain-moving device；
Preceding speed probe, it is configured on the spoke of the large fluted disc, detects the first rotating speed of the large fluted disc；
Speed probe afterwards, it is configured on the spoke of the rear tooth disk, detects the second rotating speed of the rear tooth disk；
An at least sensor, detect the riding configuration of the user of the bicycle；And
Computing device, the preceding servo motor, the rear servo motor, the preceding speed probe and the rear speed probe are connected, its
In
The computing device controls the preceding servo motor to promote the front chain mover into multiple gears of the large fluted disc of the bicycle
First gear, and control the rear servo motor to promote the rear chiain-moving device sequentially to be moved by the first flywheel in multiple flywheels of rear tooth disk
Move to most end flywheel, to utilize first rotating speed that the preceding speed probe and the rear speed probe are detected and this second turn
Speed, measure the gear ratio between the first gear and each flywheel of the rear tooth disk；
The computing device controls the rear servo motor to promote the rear chiain-moving device into the flywheel of the rear tooth disk of the bicycle
First flywheel, and control the preceding servo motor to promote the front chain mover by first tooth in the gear of the large fluted disc
Wheel is sequentially moved to the most end gear, with first rotating speed and second rotating speed detected using the speed probe, surveys
Measure the gear ratio between first flywheel and each gear of the large fluted disc；
The computing device utilizes the gear ratio between the measured first gear and each flywheel of the rear tooth disk with being somebody's turn to do
The gear ratio between first flywheel and each gear of the large fluted disc, establish multiple gears of the bicycle and the number of teeth
The relation table of ratio；And
The riding configuration that the computing device is detected according to the sensor, according to the relation table control the preceding servo motor with
The rear servo motor promotes the front chain mover and the rear chiain-moving device, to switch to the gear being suitable under the riding configuration.
12. system according to claim 11, the wherein computing device also rotate in the crank of the bicycle and drive and be somebody's turn to do
When large fluted disc rotates with the rear tooth disk, the preceding servo motor is controlled to promote the front chain mover to be moved to the other end by end point position
Point position, and detect vibration of the front chain mover in moving process using the vibrating sensor being configured at around the front chain mover
Amplitude, determine that each gear is relative to the position of the front chain mover in the large fluted disc with multiple peak values in the Oscillation Amplitude
Put, and be used to control the preceding servo motor to promote the front chain mover to each gear.
13. system according to claim 11, the wherein computing device also rotate in the crank of the bicycle and drive and be somebody's turn to do
When large fluted disc rotates with the rear tooth disk, the rear servo motor is controlled to promote the rear chiain-moving device to be moved to the other end by end point position
Point position, and detect vibration of the rear chiain-moving device in moving process using the vibrating sensor being configured at around the rear chiain-moving device
Amplitude, determine that each flywheel is relative to the position of the rear chiain-moving device in the rear tooth disk with multiple peak values in the Oscillation Amplitude
Put, and be used to control the rear servo motor to promote the rear chiain-moving device to each flywheel.
14. the crank that system according to claim 11, the wherein computing device are included in the bicycle is rotated and driven
When the large fluted disc and the rear tooth disk rotate, detect when the front chain mover is located at the first gear that this is big using the preceding speed probe
First rotating speed of fluted disc, and detect the rear tooth disk when rear chiain-moving device is located at first flywheel using the rear speed probe
Second rotating speed, the ratio of second rotating speed and first rotating speed is calculated as being somebody's turn to do between the first gear and first flywheel
Gear ratio, and the next flywheel for controlling the rear servo motor to promote the rear chiain-moving device to first flywheel, and repeat above-mentioned step
Suddenly, to calculate the gear ratio between the first gear and each flywheel.
15. system according to claim 11, the wherein computing device include establishing between the flywheel and the gear
Corresponding relation the relation table, to insert the tooth between the measured first gear and each flywheel of the rear tooth disk
Count than the gear ratio between first flywheel and each gear of the large fluted disc, and according to the measured first gear
The gear ratio and first flywheel between each flywheel of the rear tooth disk and between each gear of the large fluted disc
The gear ratio, the gear ratio between other each gears and each flywheel of the rear tooth disk is calculated using continued proportion formula,
And the gear ratio in the relation table that sorts, the gear corresponding to each gear ratio is determined from small to large and is recorded in this
Relation table.
16. system according to claim 15, the wherein computing device are included the gear ratio is identical or the gear ratio
The combination of the gear and the flywheel that difference is less than preset value is set as the identical gear.
17. system according to claim 16, if wherein computing device this to be switched gear correspond to it is two or more
The gear combined with this of the flywheel, the computing device includes the gear and the flywheel according to corresponding to the current gear,
At least this of the number of the gear and the flywheel of switching needed for selection, which combines, to be switched over.
18. system according to claim 11, the wherein preceding speed probe include control respectively with the rear speed probe
Device and magnetic reed switch processed, infrared switch or laser switch, the wherein controller are included according to the magnetic reed switch, the infrared ray
The time interval of switch or the trigger signal of laser switch output calculates first rotating speed and second rotating speed.
19. system according to claim 11, wherein the sensor includes：
Physiological information sensor, detects the physiologic information of the user, and provides the computing device and judge the user's according to this
The riding configuration.
20. system according to claim 11, wherein the sensor includes：
Pressure sensor, it is configured on the pedal of the bicycle, detects the user and trample the strength of the pedal, and the meter is provided
Calculate the riding configuration that device judges the user according to this.
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| WO2020124280A1 (en) * | 2018-12-20 | 2020-06-25 | 郑仲瑞 | Integrated automatic rear derailleur of bicycle |
| CN112078702A (en) * | 2020-08-21 | 2020-12-15 | 武汉齐物科技有限公司 | Gear tooth ratio detection method and device |
| CN112896410A (en) * | 2019-12-04 | 2021-06-04 | 彦豪金属工业股份有限公司 | Derailleur gear control system |
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| CN103183105A (en) * | 2011-12-30 | 2013-07-03 | 久鼎金属实业股份有限公司 | Automatic transmission bicycle with transmission protection mechanism |
| CN103661787A (en) * | 2012-09-24 | 2014-03-26 | 巨大机械工业股份有限公司 | Bicycle speed changing method |
| US20150088389A1 (en) * | 2013-09-25 | 2015-03-26 | Shimano Inc. | Transmission control system |
| CN105564584A (en) * | 2016-01-27 | 2016-05-11 | 深圳市七尚科技有限公司 | Automatic transmission for variable-speed bicycle, bicycle and speed changing method |
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| WO2020124280A1 (en) * | 2018-12-20 | 2020-06-25 | 郑仲瑞 | Integrated automatic rear derailleur of bicycle |
| CN112896410A (en) * | 2019-12-04 | 2021-06-04 | 彦豪金属工业股份有限公司 | Derailleur gear control system |
| CN112078702A (en) * | 2020-08-21 | 2020-12-15 | 武汉齐物科技有限公司 | Gear tooth ratio detection method and device |
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Application publication date: 20180403 |