CN106697175A - Automatic transmission of bicycle based on single chip microcomputer control - Google Patents
Automatic transmission of bicycle based on single chip microcomputer control Download PDFInfo
- Publication number
- CN106697175A CN106697175A CN201610876513.8A CN201610876513A CN106697175A CN 106697175 A CN106697175 A CN 106697175A CN 201610876513 A CN201610876513 A CN 201610876513A CN 106697175 A CN106697175 A CN 106697175A
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- China
- Prior art keywords
- control circuit
- bicycle
- transmission
- derailleur
- speed
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses an automatic transmission of bicycle based on single chip microcomputer control. The transmission is installed on a bicycle frame; a display is fixed on a handlebar and is connected with a control circuit through wire, a derailleur is fixed with a bracket of rear axle shaft of bicycle. A data collector of sensor, a battery, a master control circuit package box and a screw electrical machine are fixed inside the transmission shell; the battery is connected with the master control circuit, the master control circuit has a USB port for charging and read-in data; the display has manual or automatic shifting pattern, and show the speed and the step train parameters; through selecting control mode on the display and collecting the step train signal, the step train signal is fed back to the screw electrical machine to move, cycling gear raise or fall by automatic or manual control; according to variable speed by the step train section signal, the master control circuit analyze the step train section automatically, the shifting execution circuit exports the shifting signal, controlling the screw electrical machine moving pull the shift cables to control the derailleur; structure of the derailleur is simple, installation is convenient and fast.
Description
Technical field
The present invention relates to derailleur, specifically, it is related to a kind of automatic based on monolithic processor controlled bicycle
Speed changer.
Background technology
Bicycle speed-varying unit type is a lot, such as the automatic transmission of Xi Manuo companies of Japan, is a kind of mechanical automatic
Gearshift controlling organization, it utilizes centrifugal force and lever principle, according to rotating shaft rotating speed, by the use of centrifugal force as gearshift when rotating speed is raised
Power is shifted gears, and gearshift parameter cannot be adjusted.This internal speed-changing architecture quality is larger, does not allow driver independently to dismantle.
In traditional mechanical gearshift, bicyclist by push away or hook act manipulation refer to dial, the drawing for making it be converted into bracing wire
Or put, acting on speed changer, drawing can overcome the speed changer spring force speed changer is changed position, and spring tension can do when putting
Work(, makes speed changer be moved to opposite direction.Speed changer can change the position of chain, and speed changer each is different relative to vehicle frame
Position corresponded to diverse location of the chain on vehicle frame, even if chain has corresponded to different gears, thus speed changer correspondence
When completing the operation that bicyclist moves with the hand or hook to finger, gearshift can be completed, that is, change the gearratio of bicycle.Bicyclist was riding
Cheng Zhong, can according to road conditions, mode of riding, step on frequency different parameters change gearratio.
Patent of invention 201310258801.3 is proposed " a kind of automatic speed-changing bicycle ", including bicycle body, and automatically
Diameter-variable chain wheel mechanism, automatic diameter changing chain-wheel mechanism includes sprocket piece installing plate and wheel plate, radially uniform on sprocket piece installing plate
Have slide bar, sheathed spring and sliding block sprocket piece component on slide bar, sliding block sprocket piece component by the sliding block that is sheathed on slide bar with from
The sprocket piece of driving chain interoperation, the bearing for bearing wheel plate active force and the threaded composition for connecting components, wheel plate
Upper uniform guide chute, bearing is placed in guide chute, when wheel plate rotates, drives sliding block sprocket piece component to rotate through bearing；
When cycle force change when, make bearing along guide chute slide, change be made up of sliding block sprocket piece component sprocket diameter it is big
It is small, realize fluid drive.The design employs a large amount of sliding blocks, and chain piece, structure is more complicated, the low precision of speed change, and on special road
It is handling bad under the conditions of condition.
Patent 201610055396.9 discloses that " automatic transimission and its bicycle of a kind of multi-speed bicycle become automatically
The method of speed ", including automatic transmission for being connected with chain-turning device of variable speed bicycle and carry out signal with automatic transmission
The torque sensor and angular transducer of transmission.User's automatic speed-changing in ride, is the speed according to bicycle
The change of the speed and torque of change is automatically performed, it is not necessary to manual operating, reaches laborsaving and speed-raising purpose, instead of hand operation
Speed change.But the modelled signal |input paramete is more, and assembly and disassembly are difficult, and automatic structure is under special road conditions and emergency case
The situation of control lag occurs, or adjustment state does not conform to the actual conditions, practicality is not so good as hand control.
The content of the invention
In order to avoid the deficiency that prior art is present, the present invention proposes that one kind is become automatically based on monolithic processor controlled bicycle
Fast device；Shifted gears using Single-chip Controlling, using frequency is stepped on as input signal, step on frequently interval where judging by programming, knot
Sum velocity signal makes the automatic shift control of lifting gear action, and shift logic is reasonable.The automatic transmission structure is simple, easily
In installation, and with manual shift and electric gear change both of which, to strengthen bicycle operability and shift scope.
The technical solution adopted for the present invention to solve the technical problems is:It is described including speed changer, display, derailleur
Display includes digital display screen, touch controlled key, holder, and display is coordinated by the screw of holder bottom with studs to be fixed
On handlebar, and connection control circuit is connected by wire, digital display screen is used to manipulate and read data, and digital display screen lower section has
Touch controlled key, for switching manually or electrically speed change pattern；
The speed changer includes spindle motor, circuit lead, governor circuit, battery, sensor data acquisition device, motor card
Groove seat, leading screw, case of transmission, control circuit package box, speed changer are arranged on cycle frame, and case of transmission is rectangular
Shape structure, sensor data acquisition device is separately fixed in transmission case body with battery, control circuit package box, sensing data
Collector is connected with battery, and battery is connected with governor circuit in control circuit package box by circuit lead, and sensing data is adopted
Storage end is provided with data input output ports, and sensor line entrance is arranged at case of transmission bottom, for access display with
The wire of sensor；Spindle motor is coordinated by draw-in groove with motor draw-in groove seat to be installed, and motor draw-in groove seat is fixed on case of transmission
Inner bottom part, case of transmission lower end wall is provided with through hole and is passed through for leading screw, and there is leading screw stomidium leading screw end for connecting shift cable,
Single-chip microcomputer is welded on positive and negative terminal with spindle motor line；
The derailleur includes tail hook, guide wheel, reset spring case, and derailleur is linked with bicycle rear pedestal by tail
Connect, two guide wheels, reset spring case are arranged in derailleur, and shift cable connecting hole is connected with leading screw stomidium by shift cable；Leading screw
Motor drives derailleur speed change when master signal action is received by the shift cable for being connected in leading screw stomidium, is answered during pulling
Position spring case inner spring elastic force makes gear change position, and spring tension makes gear opposite direction move change chain during relieving
Bar position.
The governor circuit includes power circuit, gearshift execution circuit, shift mode control circuit and is packaged in control electricity
In the packaging cartridge of road, there is USB port control circuit package box end, for charging and reading in data, by control program and display
The system of device is upgraded.
The case of transmission uses engineering plastics.
Beneficial effect
It is proposed by the present invention a kind of based on monolithic processor controlled automatic speed-changing device for bicycle, using sensor collection driving shape
State information, including speed, trample frequency, gear.By single-chip microcomputer using the programme-control high level and low level output worked out,
So as to reach the action of control spindle motor and the effect for stopping, spindle motor is controlled by speed change bracing wire to rear chiain-moving device,
Realize fluid drive.
The present invention is based on monolithic processor controlled automatic speed-changing device for bicycle, compared to the gearshift of tradition machinery formula, employs list
The automatically controlled gearshift of piece machine control, shift logic is more reasonable, and bicyclist is saved under automatic mode to referring to the operation dialled, and reduces and rides
Capable intensity；Compared to automatically controlled gearshift, the gearshift mode of self shifter is increased, reduce use cost；Compared to being integrated in flower
Mechanical self shifter in drum, improves gearratio, and reduce cost；Changed compared to the machine automatization being integrated in flower-drum
Gear, increased manual mode, in a manual mode can automatically controlled gearshift manually, carry out liter downshifting by touching the button on display screen
Operate and laborsaving.Solve the problems, such as that bicycle is unable to fluid drive, and allow conversion manually with electronic two kinds of operator schemes with
Ensure adaptability of the automatic speed-transformation of bicycle to different road conditions.
The present invention be based on monolithic processor controlled automatic speed-changing device for bicycle, due to main control chip be provided with it is automatic with manual two kinds
Shift pattern, it is ensured that operability when actually used is better than only single automatic setting.Controlled using leading screw drawing
Derailleur, mechanical structure is simple, and maintainability is good；Using frequency and speed is stepped on as |input paramete, frequency device and speed are stepped on using existing
Degree sensor, parameter is few and accurate, and simple structure operates easy for installation, long service life.
Brief description of the drawings
Below in conjunction with the accompanying drawings with implementation method to of the invention a kind of based on monolithic processor controlled automatic speed-changing device for bicycle work
Further describe.
Fig. 1 is the bicycle overall assembling schematic diagram with automatic transmission.
Fig. 2 is the display schematic diagram of automatic speed-changing device for bicycle of the present invention.
Fig. 3 a-1, Fig. 3 a-2, Fig. 3 a-3 are automatic speed-changing device for bicycle structural representation of the present invention.
Fig. 3 b-1, Fig. 3 b-2 are automatic speed-changing device for bicycle inner structure of the present invention and motor draw-in groove seat schematic diagram.
Fig. 4 is the spindle motor structural representation of automatic speed-changing device for bicycle of the present invention.
Fig. 5 a are the derailleur schematic diagram of automatic speed-changing device for bicycle of the present invention.
Fig. 5 b are the reset spring case internal structure schematic diagram of automatic speed-changing device for bicycle of the present invention.
Fig. 6 is the controller circuitry figure of automatic transmission of the present invention:Fig. 6 a are power supply power pack circuit diagram；
Fig. 6 b, Fig. 6 c are gearshift execution circuit figure；Fig. 6 d are Digital Display Circuit figure；Fig. 6 e are master control circuit diagram；
Fig. 6 f are shift mode electric operation control circuit figure；Fig. 6 g are to step on frequency Acquisition Circuit figure.
Fig. 7 is automatic transmission workflow diagram of the present invention:Fig. 7 a use control flow chart for the people that rides；
Fig. 7 b are control program workflow diagram.
In figure:
1. 2. touch controlled key of digital display screen, 3. case of transmission, 4. speed changer 5. controls circuit package 6. groups of chains of box
The governor circuit 14. of 11. circuit lead 12.USB ports of device 7. bicycle, 8. display, 9. holder, 10. screw 13. is passed
The motor draw-in groove of 16. sensor data acquisition device of sensor line 15. battery of entrance 17. 18. data input output ports of seat
The tail of 19. leading screw, 20. leading screw stomidium, 21. motor draw-in groove, 22. screw, 23. binding post, 24. spindle motor 25. hooks 26. guide wheels
The through hole of 27. shift cable connecting hole, 28. reset spring case 29.
Specific embodiment
The present embodiment is a kind of based on monolithic processor controlled automatic speed-changing device for bicycle.
Refering to Fig. 1~Fig. 7, the present embodiment is using monolithic processor controlled automatic speed-changing device for bicycle by speed changer 4, display
8th, derailleur 6 and singlechip group are into speed changer 4 is fixedly mounted on voluntarily by the bottom screw of case of transmission 3 with bolt cooperation
On vehicle carriage.Display 8 includes digital display screen 1, touch controlled key 2, holder 9, and display 8 is by the holder with rubber coating
The screw of 9 bottoms is fixed on handlebar with studs cooperation, and connects connection control circuit by wire, and digital display screen 1 is used for
Manipulate and read data, there are speed per hour, milimeter number, three touch controlled keys 2 of gear in the lower section of digital display screen 1, for switch manually or
Electric shift pattern；Or using carrying out lifting shelves after manual mode.
Speed changer 4 includes spindle motor 24, circuit lead 11, governor circuit 13, battery 15, sensor data acquisition device
16th, motor draw-in groove seat 17, leading screw 19, case of transmission 3, control circuit package box 5, sensor line entrance 14, data input
Output port 18, leading screw stomidium 20, screw 22, binding post 23, through hole 29；Speed changer 4 is fixedly mounted on cycle frame, is become
Fast device housing 3 is rectangle structure, and sensor data acquisition device 16 is separately fixed at change with battery 15, control circuit package box 5
In fast device housing, sensor data acquisition device 16 is connected with battery 15, governor circuit 13 in battery 15 and control circuit package box 5
Connected by circuit lead 11.Sensor line entrance 14 is arranged at the bottom of case of transmission 3, for accessing display with sensor
Wire；The data input delivery outlet 18 of sensor data acquisition device 16 is used for connecing for sensor data cable and digital display screen line
Enter.Spindle motor 24 is coordinated by draw-in groove 21 with motor draw-in groove seat 17 to be installed, and motor draw-in groove seat 17 is fixed in transmission case body
Bottom, the lower end wall of case of transmission 3 is provided with through hole 29 and is passed through for leading screw, the end of leading screw 19 have leading screw stomidium 20 for connect and
The shift cable of derailleur；Through hole 29 is easy to leading screw regulation shift cable elastic and turnover with diameter greater than leading screw 5mm.Case of transmission 3
It is engineering plastics.Single-chip microcomputer is welded on positive and negative terminal 23 with spindle motor line.Governor circuit 13 includes power circuit,
Gearshift execution circuit, shift mode control circuit, and be packaged in control circuit package box 5, have on control circuit package box 5
USB port 12, for charging, reading and writing data and the write-in to SCM program, is entered by the system of control program and display
Row upgrading.
Derailleur 6 includes that tail hooks 25, guide wheel 26, reset spring case 28, and derailleur 6 is hooked with bicycle rear pedestal by tail
25 connections, two guide wheels 26, reset spring cases 28 are arranged in derailleur 6, and shift cable connecting hole 27 passes through with leading screw stomidium 20
Shift cable is connected；Spindle motor 24 receive master signal act when, by the shift cable band being connected on leading screw stomidium 20
The pulling or relieving of dynamic derailleur 6, the inner spring elastic force of reset spring case 28 makes gear change position, bullet during relieving during pulling
Spring pulling force makes gear opposite direction move change chain position.
System power supply is provided by the subsidiary battery of driving a vehicle, and power supply output control uses 3V power supply circuits, for by direct current
7.2V cell voltages are converted to the direct current 3.3V voltages of stabilization, are powered to remaining operating circuit.7.2V voltages are provided by battery 15,
And be provided with voltage stabilizing chip voltage stabilizing is carried out to cell voltage, it is ensured that circuit is stable and reliable in work.
Circuit part is that the frequency of stepping on of bicyclist is acquired, while the autonomous completion of frequency of stepping on according to collection rises downshift behaviour
Make, or choose manual operation mode, completing liter downshift by the electric boosted auxiliary of spindle motor 24 operates.
System is divided into stepping on the input system that frequency collection and bicyclist manipulate；Scm managing system；Execute instruction is carried out
Rise the execution system and electric power system of the spindle motor of downshift.System in automatic mode, there is stepping on for corresponding majority of case
Frequency interval and adjustable threshold.Be given by bicyclist oneself under manual mode.The instruction is performed by spindle motor, acts on speed change
Mechanism, finally carries out the operation of liter downshift；If bicyclist does not do trample action and utilizes inertia to advance, then frequency collector receipts are stepped on
To spacing wave, single-chip microcomputer is failure to actuate the original running status of maintenance.
Rise downshift threshold value and bicyclist is shown on digital display screen；Bicyclist is permitted by system safety check in a manual mode
Perhaps a liter downshift operation is carried out manually；Bicyclist produces when riding and steps on frequency；Step on frequency acquisition system will step on frequency be converted into single-chip microcomputer can
The signal transmission of identification gives spindle motor actuating signal to single-chip microcomputer, single-chip microcomputer；Spindle motor operation gearshift completes gearshift
Action；Gear is displayed on digital display screen simultaneously, and gear information is grasped for bicyclist.
Claims (3)
- It is 1. a kind of to be based on monolithic processor controlled automatic speed-changing device for bicycle, it is characterised in that:Including speed changer, display, dial chain Device, the display includes digital display screen, touch controlled key, holder, screw and studs that display passes through holder bottom Cooperation is fixed on handlebar, and connects connection control circuit by wire, and digital display screen is used to manipulate and read data, numerical monitor There is touch controlled key screen lower section, for switching manually or electrically speed change pattern；The speed changer includes spindle motor, circuit lead, governor circuit, battery, sensor data acquisition device, motor draw-in groove Seat, leading screw, case of transmission, control circuit package box, speed changer are arranged on cycle frame, and case of transmission is rectangle Structure, sensor data acquisition device is separately fixed in transmission case body with battery, control circuit package box, and sensing data is adopted Storage is connected with battery, and battery is connected with governor circuit in control circuit package box by circuit lead, sensor data acquisition Device end is provided with data input output ports, and sensor line entrance is arranged at case of transmission bottom, for accessing display and passing The wire of sensor；Spindle motor is coordinated by draw-in groove with motor draw-in groove seat to be installed, and motor draw-in groove seat is fixed in transmission case body Bottom, case of transmission lower end wall is provided with through hole and is passed through for leading screw, and there is leading screw stomidium leading screw end for connecting shift cable, single Piece machine is welded on positive and negative terminal with spindle motor line；The derailleur includes tail hook, guide wheel, reset spring case, and derailleur is linked by tail with bicycle rear pedestal and connect, two Guide wheel, reset spring case are arranged in derailleur, and shift cable connecting hole is connected with leading screw stomidium by shift cable；Spindle motor exists When receiving master signal action, derailleur speed change, back-moving spring during pulling are driven by the shift cable for being connected in leading screw stomidium Box inner spring elastic force makes gear change position, and spring tension makes gear opposite direction move change chain position during relieving Put.
- 2. according to claim 1 based on monolithic processor controlled automatic speed-changing device for bicycle, it is characterised in that:The master control Circuit includes power circuit, gearshift execution circuit, shift mode control circuit and is packaged in control circuit package box, control There is USB port circuit package box end, for charging and reading in data, is risen by the system of control program and display Level.
- 3. according to claim 1 based on monolithic processor controlled automatic speed-changing device for bicycle, it is characterised in that:The speed change Device housing uses engineering plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876513.8A CN106697175A (en) | 2016-10-08 | 2016-10-08 | Automatic transmission of bicycle based on single chip microcomputer control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610876513.8A CN106697175A (en) | 2016-10-08 | 2016-10-08 | Automatic transmission of bicycle based on single chip microcomputer control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106697175A true CN106697175A (en) | 2017-05-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610876513.8A Pending CN106697175A (en) | 2016-10-08 | 2016-10-08 | Automatic transmission of bicycle based on single chip microcomputer control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106697175A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441186A (en) * | 2019-08-30 | 2021-03-05 | 株式会社岛野 | Bicycle speed variator |
| CN113492945A (en) * | 2021-07-23 | 2021-10-12 | 深圳大学 | Speed change actuating mechanism, bicycle speed changer and control method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0908381A1 (en) * | 1997-10-10 | 1999-04-14 | Mavic S.A. | Liquid crystal display device for a bicycle |
| CN104943814A (en) * | 2015-07-14 | 2015-09-30 | 赵志伟 | Automatic speed-changing device |
| CN204750469U (en) * | 2015-05-06 | 2015-11-11 | 常州信息职业技术学院 | Mountain bike automatic transmission |
| CN105836039A (en) * | 2015-01-14 | 2016-08-10 | 李森墉 | Device for integrating mechanical manual gear shifting and electric automatic gear shifting of electromobile |
| CN206202585U (en) * | 2016-10-08 | 2017-05-31 | 西北工业大学 | One kind is based on monolithic processor controlled automatic speed-changing device for bicycle |
-
2016
- 2016-10-08 CN CN201610876513.8A patent/CN106697175A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0908381A1 (en) * | 1997-10-10 | 1999-04-14 | Mavic S.A. | Liquid crystal display device for a bicycle |
| CN105836039A (en) * | 2015-01-14 | 2016-08-10 | 李森墉 | Device for integrating mechanical manual gear shifting and electric automatic gear shifting of electromobile |
| CN204750469U (en) * | 2015-05-06 | 2015-11-11 | 常州信息职业技术学院 | Mountain bike automatic transmission |
| CN104943814A (en) * | 2015-07-14 | 2015-09-30 | 赵志伟 | Automatic speed-changing device |
| CN206202585U (en) * | 2016-10-08 | 2017-05-31 | 西北工业大学 | One kind is based on monolithic processor controlled automatic speed-changing device for bicycle |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112441186A (en) * | 2019-08-30 | 2021-03-05 | 株式会社岛野 | Bicycle speed variator |
| CN112441186B (en) * | 2019-08-30 | 2023-08-29 | 株式会社岛野 | Bicycle speed variator |
| CN113492945A (en) * | 2021-07-23 | 2021-10-12 | 深圳大学 | Speed change actuating mechanism, bicycle speed changer and control method |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170524 |
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| WD01 | Invention patent application deemed withdrawn after publication |