CN103183105A - Automatic transmission bicycle with transmission protection mechanism - Google Patents
Automatic transmission bicycle with transmission protection mechanism Download PDFInfo
- Publication number
- CN103183105A CN103183105A CN2011104539915A CN201110453991A CN103183105A CN 103183105 A CN103183105 A CN 103183105A CN 2011104539915 A CN2011104539915 A CN 2011104539915A CN 201110453991 A CN201110453991 A CN 201110453991A CN 103183105 A CN103183105 A CN 103183105A
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- Prior art keywords
- gear
- bicycle
- auto transmission
- speed
- protection mechanism
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Abstract
The invention relates to an automatic transmission bicycle with a transmission protection mechanism. The automatic transmission bicycle comprises a bicycle main body, a power supply module, a microcomputer, a gear shift control driver and at least sensor, wherein the microcomputer has automatic transmission logic and at least one protection condition, and when judging that transmission is needed, the microcomputer compares the current riding condition with the least one protection condition rather than carrying out transmission, executing the transmission action when the current riding condition meets the at least protection condition and continuously executing the automatic gear shaft logic, or temporarily stopping the gear shift action if the current riding condition does not meet the at least one protection condition, then executing the transmission action till the current riding condition meets the at least one protection condition and then continuously executing the automatic gear shift logic, wherein the at least one protection condition is related to at least one of wheel velocity, pedal speed, driving gear disc rotating speed and chain speed.
Description
Technical field
The present invention is relevant with the bicycle of auto transmission, refers to protect a kind of auto transmission bicycle with gear protection mechanism of shift device especially.
Background technology
Auto transmission bicycle (being variable speed bicycle) is accepted by popular at present widely, in Electrical Bicycle or morpet, all can see the design of auto transmission.
Variable speed bicycle two kinds of speed change and internal speed-changings outside framework is divided into.Speed change framework in addition, its chain externally when therefore carrying out speed change in the process of driving, are to utilize shift cable pulling chain displacement and the fluted disc of conversion bridle joint, and then reach the effect of speed change.
And the auto transmission function of auto transmission bicycle mainly is to rely on a micro computer according to the gear logic in it, cooperates the velocity information of sensor sensing driving, carries out the judgement on gear opportunity and the execution of gear action.
Yet, in the process of driving, if the micro computer judgement should be carried out gear shift and carry out the gear action, but chain does not rotate because the rider does not trample simultaneously, the situation that namely can cause shift cable to be pulled this moment but can't speed change, and then cause shift cable excessively to tighten, reduce the life-span of shift cable, and also be easy to produce the situation of taking off chain when trampling again.
Hence one can see that, and the bicycle of outer speed change framework need have a technology of guaranteeing that gear shifting operation is accomplished when carrying out automatic speed changing, with the problem generation of avoiding the aforementioned shift cable life-span to reduce and taking off chain easily.
Summary of the invention
Main purpose of the present invention is to provide a kind of auto transmission bicycle with gear protection mechanism; it can allow control the micro computer of auto transmission action before carrying out gear shifting operation; judge the situation that drives in advance; to determine whether to carry out gear shifting operation, with the problem generation of avoiding the shift cable life-span to reduce and taking off chain easily.
In order to reach aforementioned purpose, according to a kind of auto transmission bicycle with gear protection mechanism provided by the present invention, include: a bicycle main body, mainly have a change-speed box, initiatively fluted disc, a passive fluted disc and a crank shaft, this active fluted disc is to be located at this crank shaft and bridle joint drives this passive fluted disc in a chain; One power module is located at this bicycle main body, in order to provide gear required electric energy; One micro computer is electrically connected at this power module, and has an auto transmission logic to judge gear opportunity and to carry out the gear action; One gear shift control actuator is electrically connected at this micro computer, is subjected to the control of this micro computer to carry out gear shift to drive this change-speed box; And at least one sensor, be arranged at the desired location of this bicycle main body and be electrically connected at this micro computer, in order to detect wheel velocity, trample speed, at least a among fluted disc rotating speed, the speed chain initiatively; Wherein, this micro computer has at least one protective condition, when this micro computer should carry out gear in judgement, be do not carry out gear and transfer to will drive at present this at least one protective condition of situation contrast, if meet this at least one protective condition, then carry out this gear action, then continue to carry out this auto transmission logic; If this micro computer judges that the situation of driving does not meet this at least one protective condition at present, then suspend the gear action and meet this at least one protective condition up to the situation of driving at present and carry out the gear action again, then continue to carry out this auto transmission logic; Wherein, this at least one protective condition is with wheel velocity, tramples speed, at least a relevant among fluted disc rotating speed, the speed chain initiatively.Thus, can reach above-mentioned purpose.
Description of drawings
In order to describe structure of the present invention and characteristics place in detail, below in conjunction with preferred embodiment and conjunction with figs. explanation as after, wherein:
Fig. 1 is the structural representation of the present invention's first preferred embodiment.
Fig. 2 is the installing scheme drawing of the present invention's first preferred embodiment.
Fig. 3 is the diagram of circuit of the present invention's first preferred embodiment.
Fig. 4 is the installing scheme drawing of the present invention's second preferred embodiment.
Fig. 5 is the installing scheme drawing of the present invention's the 3rd preferred embodiment.
Fig. 6 is the structural representation of the present invention's the 4th preferred embodiment.
Fig. 7 is the structural representation of the present invention's the 5th preferred embodiment.
The specific embodiment
As shown in Figure 1 to Figure 3; a kind of auto transmission bicycle 10 with gear protection mechanism that the present invention's first preferred embodiment provides; mainly formed by bicycle main body 11, a power module 21, a micro computer 23, gear shift control actuator 25 and at least one sensor 27, wherein:
This bicycle main body 11, mainly have a change-speed box 12, initiatively fluted disc 14, a passive fluted disc 16 and a crank shaft 18, this active fluted disc 14 is to be located at this crank shaft 18 and bridle joint in a chain 15 and to drive this passive fluted disc 16, and this passive fluted disc 16 is trailing wheels 19 of being located on this bicycle main body 11.Because all the other structures on this bicycle main body 11 are to belong to known technology, therefore hold and no longer give detailed description.In addition, because initiatively fluted disc 14 represent comparatively difficulty with passive fluted disc 16 in Fig. 2, and it is known members, so only represents it with simple profile.
This power module 21 is located at this bicycle main body 11, in order to provide gear required electric energy.
This micro computer 23 is electrically connected at this power module 21, and has an auto transmission logic 231 to judge gear opportunity and to carry out the gear action.
This gear shift control actuator 25 is electrically connected at this micro computer 23, is subjected to the control of this micro computer 23 to carry out gear shift to drive this change-speed box 12.
This at least one sensor 27 is arranged at the desired location of this bicycle main body 11 and is electrically connected at this micro computer 23, in order to detect wheel velocity, trample speed, at least a among fluted disc rotating speed, the speed chain initiatively.In this first embodiment, this at least one sensor 27 quantitatively be with one be example, but trample speed in order to sensing.
Wherein, this micro computer 23 has at least one protective condition 232.In this first embodiment, this at least one protective condition 232 quantitatively is to be example with one.This micro computer 23 judging when should carry out gear, is not carry out gear and transfer to the situation of driving is at present contrasted this protective condition 232, if meet this protective condition 232, then carries out this gear action, then continues to carry out this auto transmission logic 231; If this micro computer 23 judges that the situation of driving does not meet this protective condition 232 at present, then suspend the gear action and meet this protective condition 232 up to the situation of driving at present and carry out the gear action again, then continue to carry out this auto transmission logic 231.
Again, wherein, this protective condition 232 is relevant with trample action.In this first embodiment this protective condition 232 be for: these crank shaft 18 rotative speeds (namely trampling speed) are greater than one first predetermined value.This first predetermined value is to be example with 10 rev/mins (RPM), and can also be greater than 10 rev/mins, for example 20 rev/mins.
Also including a telltale 29 in this first embodiment, be electrically connected at this micro computer 23, during this this auto transmission logic 231 of micro computer 23 withdraw from uses, is to show an information temporarily to stop auto transmission at present to inform the rider on this telltale 29.Yet this telltale 29 and inessential element are under the situation that does not have telltale 29; the rider only is whether the state of not knowing present auto transmission is suspended or normal operation; but the rider still can continue to drive bicycle, that is, be not necessity to have this telltale 29.
Next the serviceability of this first embodiment is described.
Please consult Fig. 1 to Fig. 3 again, drive in the process that bicycle tramples the rider, this micro computer 23 is to judge gear opportunity and carry out the gear action according to this auto transmission logic 231.When this micro computer 23 should carry out gear in judgement, be not carry out gear and transfer to the situation of driving is at present contrasted this protective condition 232 (namely these crank shaft 18 rotative speeds are more than or equal to 10 rev/mins), meet this protective condition 232 if judge, namely representing the rider has at the pushes pedals (not shown), chain 15 namely can rotate, and therefore can carry out this gear action; After executing the gear action, then continue to carry out this auto transmission logic 231, so that gear action is next time judged.If this micro computer 23 judges that the situation of driving does not meet this protective condition 232 (namely these crank shaft 18 rotative speeds are less than 10 rev/mins) at present; then suspending gear action meets this protective condition 232 (speed of namely trampling is more than or equal to 10 rev/mins) up to the situation of driving at present and carries out the gear action again; then continue to carry out this auto transmission logic 231, so that gear action is next time judged.
Thus; can allow control the micro computer 23 of auto transmission action before carrying out gear shifting operation; judge the situation that drives in advance; to determine whether to carry out gear shifting operation; and then can guarantee that the gear action is accomplished; and protected shift device, the problem generation of avoiding the shift cable life-span to reduce and taking off chain easily.
Please consult Fig. 4 again, a kind of auto transmission bicycle 30 with gear protection mechanism that the present invention's second preferred embodiment provides is taken off first embodiment before mainly generally being same as, and difference is:
This sensor 47 is in order to detect the rotating speed of this active fluted disc 34.
This protective condition (not shown) be for: the rotative speed of this active fluted disc 34 is greater than one second predetermined value.This second predetermined value is to be example with 10 rev/mins (RPM) in this second embodiment, and can also be greater than 10 rev/mins, for example 20 rev/mins.
Because active fluted disc 34 is to rotate in order to drive chain 35, therefore active fluted disc 34 rotates and namely represents chain 35 rotations, can guarantee that thus the gear action is finished smoothly, and then the problem generation of avoiding the shift cable life-span to reduce and taking off chain easily.
Take off first embodiment before all the other structures of this second embodiment and operating mode all generally are same as, hold and do not give unnecessary details.
Please consult Fig. 5 again, a kind of auto transmission bicycle 50 with gear protection mechanism that the present invention's the 3rd preferred embodiment provides is taken off first embodiment before mainly generally being same as, and difference is:
This bicycle main body 51 has an isolator 57, and this active fluted disc 54 is to be located at this crank shaft 58 by this isolator 57.This active fluted disc 54, this chain 55 and wheel (being trailing wheel) are the phase interlocks.
This sensor 67 is in order to detect with moving wheel velocity.
This protective condition (not shown) be for: this wheel velocity is greater than one the 3rd predetermined value.The 3rd predetermined value in this 3rd embodiment be with 5 kilometers/hour be example, and can also be greater than 5 kilometers/hour, for example 6 kilometers/hour.
Because this active fluted disc 54 is to be located at this crank shaft 58 by this isolator 57, so trailing wheel namely do not arrange isolator, and different at the bicycle that trailing wheel arranges isolator with tradition.This kind can make that with the mode of isolator 57 with crank shaft 58 combinations this active fluted disc 54, this chain 55 and the trailing wheel of bicycle are moving together, therefore, can know the rotating speed of chain 55 by wheel velocity by inference.Chain 55 has rotation can guarantee that the gear action is finished smoothly, and then the problem generation of avoiding the shift cable life-span to reduce and taking off chain easily.
Take off first embodiment before all the other structures of this 3rd embodiment and operating mode all generally are same as, hold and do not give unnecessary details.
Please consult Fig. 6 again, a kind of auto transmission bicycle 70 with gear protection mechanism that the present invention's the 4th preferred embodiment provides is taken off first embodiment before mainly generally being same as, and difference is:
This sensor 87 is in order to detect wheel velocity.
This micro computer 83 is to judge present wheel velocity, when if wheel velocity is lower than one the 4th predetermined value, this micro computer 83 is these auto transmission logics 831 of withdraw from use, and when wheel velocity was greater than or equal to the 4th predetermined value, this micro computer 83 was to use this auto transmission logic 831.The 4th predetermined value in this 4th embodiment be with 5 kilometers/hour be example, and can also be greater than 5 kilometers/hour, for example 6 kilometers/hour.
Thus, when the speed of driving is lower than the 4th predetermined value (be example with 5 kilometers/hour), i.e. direct this auto transmission logic 831 of withdraw from use, so, the action that does not namely have auto transmission takes place, and also need not judge whether to have met this protective condition again.But can guarantee thus not have under very low speed and but to judge and answer gear can't finish the problem of gear, and then avoid the shift cable life-span to reduce and the problem of taking off chain easily takes place.
Take off first embodiment before all the other structures of this 4th embodiment and operating mode all generally are same as, hold and do not give unnecessary details.
Please consult Fig. 7 again, the auto transmission bicycle 90 of a kind of Pai of having File protection mechanism that the present invention's the 5th preferred embodiment provides is taken off first embodiment before mainly generally being same as, and difference is:
This sensor 107 is in order to detect the speed of this chain 95.
This protective condition (not shown) be for: the speed of this chain 95 is greater than one the 5th predetermined value.The 5th predetermined value is to be example with 2 centimeters/second (cm/sec) in this 5th embodiment, and can also be greater than 2 centimeters/second, for example 2.2 centimeters/second.
Have in running because chain 95 represents it when speed is arranged, can guarantee that thus the gear action is finished smoothly, and then the problem generation of avoiding the shift cable life-span to reduce and taking off chain easily.
Take off first embodiment before all the other structures of this 5th embodiment and operating mode all generally are same as, hold and do not give unnecessary details.
Must supplemental instruction be, the protective condition among the above-mentioned first to three and the 5th embodiment can also mix use, not limiting to have a protective condition.In addition; when mix using the kinds of protect condition (wheel velocity, trample speed, initiatively fluted disc rotating speed, speed chain); then sensor also is required to be plural number and multiple sensors is detected wheel velocity respectively, trampled speed, initiatively fluted disc rotating speed and speed chain, could cooperate this micro computer of confession to judge whether to meet the kinds of protect condition.
Claims (12)
1. auto transmission bicycle with gear protection mechanism includes:
One bicycle main body mainly has a change-speed box, initiatively fluted disc, a passive fluted disc and a crank shaft, and this crank shaft is located at by this active fluted disc and bridle joint drives this passive fluted disc in a chain;
One power module is located at this bicycle main body, in order to provide gear required electric energy;
One micro computer is electrically connected at this power module, and has an auto transmission logic to judge gear opportunity and to carry out the gear action;
One gear shift control actuator is electrically connected at this micro computer, is subjected to the control of this micro computer to carry out gear shift to drive this change-speed box; And
At least one sensor is arranged at the desired location of this bicycle main body and is electrically connected at this micro computer, in order to detect wheel velocity, trample speed, at least a among fluted disc rotating speed, the speed chain initiatively;
Wherein, this micro computer has at least one protective condition, when this micro computer should carry out gear in judgement, be do not carry out gear and transfer to will drive at present this at least one protective condition of situation contrast, if meet this at least one protective condition, then carry out this gear action, then continue to carry out this auto transmission logic; If this micro computer judges that the situation of driving does not meet this at least one protective condition at present, then suspend the gear action and meet this at least one protective condition up to the situation of driving at present and carry out the gear action again, then continue to carry out this auto transmission logic;
Wherein, this at least one protective condition and wheel velocity, trample speed, at least a relevant among fluted disc rotating speed, the speed chain initiatively.
2. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: this at least one sensor is trampled speed in order to detecting; This at least one protective condition is: this crank shaft rotative speed is namely trampled speed greater than one first predetermined value.
3. according to the described auto transmission bicycle with gear protection mechanism of claim 2, wherein: this first predetermined value is more than 10 rev/mins.
4. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: this at least one sensor is in order to detecting active fluted disc rotating speed; This at least one protective condition is: the rotative speed of this active fluted disc is greater than one second predetermined value.
5. according to the described auto transmission bicycle with gear protection mechanism of claim 4, wherein: this second predetermined value is more than 10 rev/mins.
6. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: this bicycle main body has an isolator, and this active fluted disc is located at this crank shaft by this isolator, and this is fluted disc, this chain and wheel phase interlock initiatively; This at least one sensor is in order to detect with moving wheel velocity; This at least one protective condition is: this wheel velocity is greater than one the 3rd predetermined value.
7. according to the described auto transmission bicycle with gear protection mechanism of claim 6, wherein: the 3rd predetermined value is more than 5 kilometers/hour.
8. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: this at least one sensor is in order to detect wheel velocity; When wheel velocity is lower than one the 4th predetermined value, this auto transmission logic of this micro computer withdraw from use; When wheel velocity was greater than or equal to the 4th predetermined value, this micro computer used this auto transmission logic.
9. according to the described auto transmission bicycle with gear protection mechanism of claim 8, wherein: the 4th predetermined value is more than 5 kilometers/hour.
10. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: also include a telltale, be electrically connected at this micro computer, during this auto transmission logic of this micro computer withdraw from use, on this telltale, show an information.
11. according to the described auto transmission bicycle with gear protection mechanism of claim 1, wherein: this at least one sensor is in order to detect speed chain; This at least one protective condition is: this speed chain is greater than one the 5th predetermined value.
12. according to the described auto transmission bicycle with gear protection mechanism of claim 11, wherein: the 5th predetermined value is 2 centimeters/second.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104539915A CN103183105A (en) | 2011-12-30 | 2011-12-30 | Automatic transmission bicycle with transmission protection mechanism |
| TW101107215A TW201325988A (en) | 2011-12-30 | 2012-03-03 | Automatic gear shifting bicycle with gearshift protection mechanism |
| EP12199641.7A EP2610159A1 (en) | 2011-12-30 | 2012-12-28 | Automatic gear shifting bicycle with gearshift protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104539915A CN103183105A (en) | 2011-12-30 | 2011-12-30 | Automatic transmission bicycle with transmission protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103183105A true CN103183105A (en) | 2013-07-03 |
Family
ID=48674619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104539915A Pending CN103183105A (en) | 2011-12-30 | 2011-12-30 | Automatic transmission bicycle with transmission protection mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103183105A (en) |
| TW (1) | TW201325988A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443246B (en) * | 2013-09-25 | 2017-07-14 | 株式会社岛野 | Change control system |
| CN107054544A (en) * | 2015-11-16 | 2017-08-18 | 株式会社岛野 | Bicycle Drive Unit |
| CN107867369A (en) * | 2016-09-23 | 2018-04-03 | 许健平 | Bicycle fluid drive method and system |
| CN110857134A (en) * | 2018-08-23 | 2020-03-03 | 株式会社岛野 | Speed change control system of manpower-driven vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543453A1 (en) * | 1991-11-18 | 1993-05-26 | SOCIETA' ITALIANA CATENE CALIBRATE REGINA S.p.A. | Automated bicycle transmission |
| CN1125667A (en) * | 1995-03-28 | 1996-07-03 | 王维德 | Method and device for bicycle automatic gearshift with computer control |
| US6047230A (en) * | 1997-02-27 | 2000-04-04 | Spencer; Marc D. | Automatic bicycle transmission |
| US6158294A (en) * | 1997-10-23 | 2000-12-12 | Jung; Yong Chul | Automatic transmission for bicycle |
| CN2447288Y (en) * | 2000-10-24 | 2001-09-12 | 伯佳能源科技股份有限公司 | Chain Transmission of bicycle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4938733A (en) * | 1988-01-06 | 1990-07-03 | Sram Corporation | Bicycle gear shifting method and apparatus |
| JP4400840B2 (en) * | 2000-03-01 | 2010-01-20 | 本田技研工業株式会社 | Electric bicycle |
| CN201685975U (en) * | 2010-03-10 | 2010-12-29 | 西南大学 | Manual automatic intermediate type transmission electric driving gearbox |
-
2011
- 2011-12-30 CN CN2011104539915A patent/CN103183105A/en active Pending
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2012
- 2012-03-03 TW TW101107215A patent/TW201325988A/en unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0543453A1 (en) * | 1991-11-18 | 1993-05-26 | SOCIETA' ITALIANA CATENE CALIBRATE REGINA S.p.A. | Automated bicycle transmission |
| CN1125667A (en) * | 1995-03-28 | 1996-07-03 | 王维德 | Method and device for bicycle automatic gearshift with computer control |
| US6047230A (en) * | 1997-02-27 | 2000-04-04 | Spencer; Marc D. | Automatic bicycle transmission |
| US6158294A (en) * | 1997-10-23 | 2000-12-12 | Jung; Yong Chul | Automatic transmission for bicycle |
| CN2447288Y (en) * | 2000-10-24 | 2001-09-12 | 伯佳能源科技股份有限公司 | Chain Transmission of bicycle |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104443246B (en) * | 2013-09-25 | 2017-07-14 | 株式会社岛野 | Change control system |
| CN107054544A (en) * | 2015-11-16 | 2017-08-18 | 株式会社岛野 | Bicycle Drive Unit |
| CN107867369A (en) * | 2016-09-23 | 2018-04-03 | 许健平 | Bicycle fluid drive method and system |
| CN110857134A (en) * | 2018-08-23 | 2020-03-03 | 株式会社岛野 | Speed change control system of manpower-driven vehicle |
| CN110857134B (en) * | 2018-08-23 | 2022-04-01 | 株式会社岛野 | Speed change control system of manpower-driven vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201325988A (en) | 2013-07-01 |
| TWI480205B (en) | 2015-04-11 |
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Application publication date: 20130703 |