CN102935868A - A variable-speed bicycle capable of identifying abnormal conditions and its identification method - Google Patents
A variable-speed bicycle capable of identifying abnormal conditions and its identification method Download PDFInfo
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Abstract
A speed-variable bicycle able to identify abnormal state is composed of a speed variator on bicycle, a power supply module, a microcomputer, a speed-regulating meter, a shift control driver, a speed sensor, a speed-stepping sensor and a warning device.
Description
Technical field
The present invention is relevant with the speed change system of bicycle, but refers to especially a kind of variable speed bicycle and discrimination method thereof of identification unusual condition.
Background technology
Press, known variable speed bicycle can't know directly when the user drives whether chain has the situation of taking off chain to occur, the occlusion condition that must directly observe with eyes chain, or judge by feeling of trampling whether the interlock of chain is normal.And, if status occurs, not only probably hurting change-speed box, what is more, also might work the mischief to the rider.
At present, the speed of a motor vehicle utilized is not yet arranged and step on whether normal technology of interlock that speed judges chain, the speed of a motor vehicle utilized is not arranged yet and step on speed and judge whether correct technology of speed change.
Summary of the invention
But the object of the present invention is to provide a kind of variable speed bicycle and discrimination method thereof of identification unusual condition, can and step on the interlocking pattern that speed is judged chain by the speed of a motor vehicle, and can and step on speed and judge whether speed change is correct by the speed of a motor vehicle.
For achieving the above object, but the variable speed bicycle of identification unusual condition provided by the invention includes:
One bicycle main body has a change-speed box;
One power module is located at this bicycle main body;
One micro computer, be electrically connected at this power module and this change-speed box, this micro computer stores a gear proof list, this gear proof list has the speed of a motor vehicle, steps on Su, File position and plural shifting gear ratio, those shifting gears ratios are respectively corresponding to different gears, and this change-speed box provides actual-gear information to this micro computer;
One gear shift control actuator is electrically connected at this micro computer, is subjected to the control of this micro computer to carry out speed change to drive this change-speed box; And
One car speed sensor and one is stepped on fast sensor, and be located at respectively the desired location of this bicycle main body and be electrically connected at this micro computer, respectively in order to detecting the speed of a motor vehicle and to step on speed, and respectively with speed information and step on fast information and be sent to this micro computer;
When carrying out gear identification action; this micro computer is obtained a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed; and the actual-gear information that provides according to this change-speed box is inquired about this gear proof list to obtain this shifting gear ratio corresponding to this actual-gear information; this micro computer is compared with this shifting gear ratio with this virtual gear ratio; with judge gear whether unusual or chain whether have and come off, and aforesaid unusual or take off the chain situation and send a notification means to notify the rider by this micro computer when occuring.
But the variable speed bicycle of described identification unusual condition, wherein: this micro computer namely carries out gear identification action every a schedule time.
But the variable speed bicycle of described identification unusual condition, wherein: this schedule time is 5 seconds.
But the variable speed bicycle of described identification unusual condition, wherein: when this micro computer all obtains identical unusual condition for several times continuously, just send this notification means.
But the variable speed bicycle of described identification unusual condition, wherein: this micro computer has a detecting condition, this detecting condition is: step on speed greater than 20 turn/per minute (rpm) and the speed of a motor vehicle be greater than 5 kilometers/hour (km/hr); After meeting this detecting condition, just allow and carry out gear identification action.
But the variable speed bicycle of described identification unusual condition, wherein: when this micro computer is compared with this shifting gear ratio with this virtual gear ratio, normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift; If this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; If this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
But the variable speed bicycle of described identification unusual condition, wherein: this error limit refers to that the difference of this virtual gear ratio and this shifting gear ratio is less than 0.15.
But the variable speed bicycle of described identification unusual condition, wherein: include an annunciator, be electrically connected at this micro computer, the notification means that this micro computer sends is controlled this annunciator and is sent alerting.
But the variable speed bicycle of described identification unusual condition, wherein: this annunciator is a luminescence component or a sounding component, and provides alerting in the mode of light or sound.
But the variable speed bicycle of described identification unusual condition, wherein: include a telltale, be electrically connected at this micro computer, the notification means that this micro computer sends is controlled this telltale and is demonstrated corresponding literal or graphical message.
But the variable speed bicycle of described identification unusual condition, wherein: this change-speed box comes the sensing gear by the gear position sensor that it has, and sends this actual-gear information to this micro computer by this gear position sensor.
The unusual condition discrimination method of variable speed bicycle provided by the invention includes the following step:
A) obtain the speed information of a variable speed bicycle and step on fast information;
B) obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed, and the actual-gear information that a change-speed box that has according to this variable speed bicycle provides inquires about a gear proof list to obtain the shifting gear ratio corresponding to this actual-gear information, wherein has plural shifting gear in this gear proof list than respectively corresponding to different gears; And
C) compare with this shifting gear ratio with this virtual gear ratio, and come the judgement situation according to following condition:
(1) normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as;
(2) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio;
(3) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift;
(4) if this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; And
(5) if this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
The unusual condition discrimination method of described variable speed bicycle, wherein: include a steps d), when having unusual condition or taking off chain, send a notification means to notify the rider.
The unusual condition discrimination method of described variable speed bicycle, wherein: a) include before a step x in step), its record first this variable speed bicycle before speed change the speed of a motor vehicle and step on speed, and obtain the virtual gear ratio before the speed change, after this variable speed bicycle speed change, enter step a) at once; And at step b) and step c) between include a step b1), the virtual gear ratio before this virtual gear ratio and the speed change is compared, if identical, then judge speed change failure.
The unusual condition discrimination method of described variable speed bicycle, wherein: at step b1), after judging the speed change failure, carry out again gear shifting operation one time, and again will this virtual gear ratio and speed change before virtual gear ratio compare, if still identical, then judge the speed change failure and carry out again gear shifting operation, so repeat until just enter step c after the comparative result difference).
In summary, the present invention can and step on the interlocking pattern that speed is judged chain by the speed of a motor vehicle, also can and step on speed and judge whether speed change is correct by the speed of a motor vehicle, and can judge whether failure is to reach the effect of proofreading and correct gear or adjusting change-speed box for speed change.
Description of drawings
Fig. 1 is the structural representation of the present invention's the first preferred embodiment.
Fig. 2 is the installing scheme drawing of the present invention's the first preferred embodiment.
Fig. 3 is the schematic flow sheet of the present invention's the second preferred embodiment.
Fig. 4 is the schematic flow sheet of the present invention's the 3rd preferred embodiment.
Primary clustering nomenclature in the accompanying drawing:
But the variable speed bicycle of 10 identification unusual conditions; 11 bicycle main bodys; 111 change-speed boxs; 112 gear position sensors; 13 power modules; 15 micro computers; 17 gear shift control actuator; 19 car speed sensors; 21 step on fast sensor; 23 annunciators; 25 telltales.
The specific embodiment
But the variable speed bicycle according to a kind of identification unusual condition provided by the present invention includes:
One bicycle main body has a change-speed box; One power module is located at this bicycle main body; One micro computer, be electrically connected at this power module and this change-speed box, this micro computer stores a gear proof list, this gear proof list has the speed of a motor vehicle, steps on speed, gear and plural shifting gear ratio, those shifting gears ratios are respectively corresponding to different gears, and this change-speed box provides actual-gear information to this micro computer; One gear shift control actuator is electrically connected at this micro computer, is subjected to the control of this micro computer to carry out speed change to drive this change-speed box; And a car speed sensor and step on fast sensor, be located at respectively the desired location of this bicycle main body and be electrically connected at this micro computer, respectively in order to detecting the speed of a motor vehicle and to step on speed, and respectively with speed information and step on fast information and be sent to this micro computer; When carrying out gear identification action; this micro computer is to obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed; and the actual-gear information that provides according to this change-speed box is inquired about this gear proof list to obtain this shifting gear ratio corresponding to this actual-gear information; this micro computer is to compare with this shifting gear ratio with this virtual gear ratio; with judge gear whether unusual or chain whether have and come off, and aforesaid unusual or take off the chain situation and send a notification means to notify the rider by this micro computer when occuring.
And the unusual condition discrimination method of variable speed bicycle provided by the present invention includes the following step:
A) obtain the speed information of a variable speed bicycle and step on fast information;
B) obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed, and the actual-gear information that a change-speed box that has according to this variable speed bicycle provides inquires about a gear proof list to obtain the shifting gear ratio corresponding to this actual-gear information, wherein has plural shifting gear in this gear proof list than respectively corresponding to different gears; And
C) compare with this shifting gear ratio with this virtual gear ratio, and come the judgement situation according to following condition:
(1) normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as;
(2) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio;
(3) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift;
(4) if this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; And
(5) if this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
In order to describe technical characterstic of the present invention place in detail, lift following preferred embodiment and cooperate description of drawings such as rear, wherein:
Extremely shown in Figure 2 such as Fig. 1, but the variable speed bicycle 10 of a kind of identification unusual condition that the present invention's the first preferred embodiment provides, mainly step on fast sensor 21, an annunciator 23 and a telltale 25 and formed by a bicycle main body 11, a power module 13, a micro computer 15, gear shift control actuator 17, a car speed sensor 19 and, wherein:
This bicycle main body 11 has a change-speed box 111, and this change-speed box 111 has a gear position sensor 112 with sensing actual-gear information.
This power module 13 is a battery in the present embodiment, is located at this bicycle main body 11.
This micro computer 15, be electrically connected at this power module 13 and this change-speed box 111, this micro computer 15 stores a gear proof list, and this gear proof list has the speed of a motor vehicle, steps on speed, gear and plural shifting gear ratio, those shifting gears are than respectively corresponding to different gears, and are as shown in table 1.This change-speed box 111 provides actual-gear information to this micro computer 15.This micro computer 15 also has a detecting condition in present embodiment, namely, step on speed greater than 20 turn/per minute (rpm) and the speed of a motor vehicle are greater than 5 kilometers/hour (km/hr), in addition, this change-speed box 111 is to send this actual-gear information to this micro computer 15 by this gear position sensor 112.
Table 1 gear proof list
This gear shift control actuator 17 is electrically connected at this micro computer 15, is subjected to the control of this micro computer 15 to carry out speed change to drive this change-speed box 111.
This car speed sensor 19 and this are stepped on fast sensor 21, and be located at respectively the desired location of this bicycle main body 11 and be electrically connected at this micro computer 15, respectively in order to detecting the speed of a motor vehicle and to step on speed, and respectively with speed information and step on fast information and be sent to this micro computer 15.
This annunciator 23 is electrically connected at this micro computer 15, is subjected to the control of this micro computer 15 and sends alerting.This annunciator 23 is a luminescence component or a sounding component, and provides alerting in the mode of light or sound.Be take emitting led as example in present embodiment, and provide alerting in the mode of flicker.The difference of other sounding component sounding or illumination mode owing to be known technology, therefore held and is no longer given casehistory.
This telltale 25 is electrically connected at this micro computer 15, is subjected to the control of this micro computer 15 and demonstrates corresponding literal or graphical message.
After the detecting condition in meeting this micro computer 15, just allow and carry out gear identification action.And when carrying out gear identification action; this micro computer 15 can namely carry out gear identification action every a schedule time (for example every 5 seconds); to obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed when carrying out gear identification action at every turn; and the actual-gear information that provides according to this change-speed box 111 is inquired about this gear proof list to obtain this shifting gear ratio corresponding to this actual-gear information; this micro computer 15 is compared with this shifting gear ratio with this virtual gear ratio; with judge gear whether unusual or chain whether have and come off, and aforesaid unusual or take off the chain situation and send a notification means to notify the rider by this micro computer 15 when occuring.In present embodiment, this notification means is that this annunciator 23 of control sends alerting, or this notification means is this telltale show message of control.And in order will to guarantee the unusual condition Accuracy of Judgement, can set this micro computer 15 in continuously for several times (for example 6 times) when all obtaining identical unusual condition, just send this notification means.
When this micro computer 15 is compared with this shifting gear ratio with this virtual gear ratio, normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift; If this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; If this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.Aforesaid error limit refers to that the difference of this virtual gear ratio and this shifting gear ratio is less than 0.15.
Must supplemental instruction be, aforesaid notification means can be reached the purpose of notifying the rider by this annunciator 23 or this telltale 25, annunciator 23 or telltale 25 be the giving an example of a kind of implementation of this notification means just, and notification means of the present invention is not restricted to the advice method of annunciator 23 or telltale 25.
The main composition of this first embodiment more than has been described, and its operating mode illustrates with ensuing the second embodiment.
As shown in Figure 3, the present invention's the second preferred embodiment provides a kind of unusual condition discrimination method of variable speed bicycle, includes the following step:
A) obtain the speed information of this variable speed bicycle and step on fast information.
B) obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed, and inquire about a gear proof list to obtain the shifting gear ratio corresponding to this actual-gear information according to the actual-gear information that this change-speed box 111 provides.
C) compare with this shifting gear ratio with this virtual gear ratio, and come the judgement situation according to following condition:
(1) normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as.
(2) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio.
(3) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift.
(4) if this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio.
(5) if this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
D) when having unusual condition or taking off chain, send a notification means to notify the rider.
By above-mentioned steps as can be known, second embodiment of the invention has mainly illustrated the manner of execution of the first embodiment.And can be found out also that by the second embodiment the present invention can and step on speed by the speed of a motor vehicle and judge whether chain takes off chain, also can and step on the situation that speed judges whether that gear shift is unusual by the speed of a motor vehicle.
Again as shown in Figure 4, the unusual condition discrimination method of a kind of variable speed bicycle that third embodiment of the invention provides generally is same as aforementioned the second embodiment, and this 3rd embodiment includes the following step:
X) record first this variable speed bicycle before speed change the speed of a motor vehicle and step on speed, and obtain the virtual gear ratio before the speed change, after this bicycle shift, enter step a) at once.
A) obtain the speed information of this variable speed bicycle and step on fast information.
B) obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed, and the actual-gear information that this change-speed box 111 provides is inquired about a gear proof list to obtain shifting gear ratio.
B1) will this virtual gear ratio and speed change before virtual gear ratio compare, if identical, then judge the speed change failure, and carry out again once front gear shifting operation, and again will this virtual gear ratio and speed change before virtual gear ratio compare, if still identical, judge then that speed change is lost and become and carry out again gear shifting operation, so repeat until after the comparative result difference, just enter step c).
C) compare with this shifting gear ratio with this virtual gear ratio, normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as; If this virtual gear ratio, then is judged as and does not step on or step on slowly than surpassing this error limit greater than this shifting gear, or being judged as the at present true corresponding gear ratio of gear belongs to greatly the unusual situation of gear shift; If this virtual gear ratio than surpassing this error limit, then is judged as not normal occlusion (for example taking off chain) of chain less than this shifting gear, or it is smaller and belong to the unusual situation of gear shift to be judged as the at present true corresponding gear of gear.
D) when having unusual or taking off chain, send a notification means to notify the rider.
By above-mentioned steps as can be known, third embodiment of the invention except the part identical with the second embodiment, also have the speed change of judgement whether failure and when failure speed change again, to proofread and correct the effect of speed change state.
Claims (15)
1. but the variable speed bicycle of an identification unusual condition includes:
One bicycle main body has a change-speed box;
One power module is located at this bicycle main body;
One micro computer, be electrically connected at this power module and this change-speed box, this micro computer stores a gear proof list, this gear proof list has the speed of a motor vehicle, steps on Su, File position and plural shifting gear ratio, those shifting gears ratios are respectively corresponding to different gears, and this change-speed box provides actual-gear information to this micro computer;
One gear shift control actuator is electrically connected at this micro computer, is subjected to the control of this micro computer to carry out speed change to drive this change-speed box; And
One car speed sensor and one is stepped on fast sensor, and be located at respectively the desired location of this bicycle main body and be electrically connected at this micro computer, respectively in order to detecting the speed of a motor vehicle and to step on speed, and respectively with speed information and step on fast information and be sent to this micro computer;
When carrying out gear identification action; this micro computer is obtained a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed; and the actual-gear information that provides according to this change-speed box is inquired about this gear proof list to obtain this shifting gear ratio corresponding to this actual-gear information; this micro computer is compared with this shifting gear ratio with this virtual gear ratio; with judge gear whether unusual or chain whether have and come off, and aforesaid unusual or take off the chain situation and send a notification means to notify the rider by this micro computer when occuring.
2. but the variable speed bicycle of described identification unusual condition according to claim 1, wherein: this micro computer namely carries out gear identification action every a schedule time.
3. but the variable speed bicycle of described identification unusual condition according to claim 2, wherein: this schedule time is 5 seconds.
But 4. the variable speed bicycle of described identification unusual condition according to claim 2, wherein: when this micro computer all obtains identical unusual condition for several times continuously, just send this notification means.
But 5. the variable speed bicycle of described identification unusual condition according to claim 1, wherein: this micro computer has a detecting condition, this detecting condition is: step on speed greater than 20 turn/per minute and the speed of a motor vehicle be greater than 5 kilometers/hour; After meeting this detecting condition, just allow and carry out gear identification action.
6. but the variable speed bicycle of described identification unusual condition according to claim 1, wherein: when this micro computer is compared with this shifting gear ratio with this virtual gear ratio, if it is normal that the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio; If this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift; If this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; If this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
7. but the variable speed bicycle of described identification unusual condition according to claim 6, wherein: this error limit refers to that the difference of this virtual gear ratio and this shifting gear ratio is less than 0.15.
8. but the variable speed bicycle of described identification unusual condition according to claim 1, wherein: include an annunciator, be electrically connected at this micro computer, the notification means that this micro computer sends is controlled this annunciator and is sent alerting.
9. but the variable speed bicycle of described identification unusual condition according to claim 8, wherein: this annunciator is a luminescence component or a sounding component, and provides alerting in the mode of light or sound.
10. but the variable speed bicycle of described identification unusual condition according to claim 1, wherein: include a telltale, be electrically connected at this micro computer, the notification means that this micro computer sends is controlled this telltale and is demonstrated corresponding literal or graphical message.
But 11. the variable speed bicycle of described identification unusual condition according to claim 1, wherein: this change-speed box comes the sensing gear by the gear position sensor that it has, and sends this actual-gear information to this micro computer by this gear position sensor.
12. the unusual condition discrimination method of a variable speed bicycle includes the following step:
A) obtain the speed information of a variable speed bicycle and step on fast information;
B) obtain a virtual gear ratio with the speed of a motor vehicle and the ratio of stepping on speed, and the actual-gear information that a change-speed box that has according to this variable speed bicycle provides inquires about a gear proof list to obtain the shifting gear ratio corresponding to this actual-gear information, wherein has plural shifting gear in this gear proof list than respectively corresponding to different gears; And
C) compare with this shifting gear ratio with this virtual gear ratio, and come the judgement situation according to following condition:
(1) normal if the difference of this virtual gear ratio and this shifting gear ratio in an error limit, then is judged as;
(2) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear ratio then is judged as and does not step on or step on slowly not corresponding to this shifting gear ratio;
(3) if this virtual gear ratio surpasses this error limit greater than this shifting gear ratio, and this virtual gear comparison should in this shifting gear ratio, then be judged as the at present true corresponding gear ratio of gear and belong to greatly the unusual situation of gear shift;
(4) if this virtual gear ratio surpasses this error limit less than this shifting gear ratio, and this virtual gear ratio then is judged as chain releasing not corresponding to this shifting gear ratio; And
(5) if this virtual gear ratio less than this shifting gear than surpassing this error limit, and should virtual gear comparison should be in this shifting gear ratio, it is smaller and belong to the unusual situation of gear shift then to be judged as at present truly the corresponding gear of gear.
13. the unusual condition discrimination method of described variable speed bicycle according to claim 12, wherein: include a steps d), when having unusual condition or taking off chain, send a notification means to notify the rider.
14. the unusual condition discrimination method of described variable speed bicycle according to claim 12, wherein: a) include before a step x in step), its record first this variable speed bicycle before speed change the speed of a motor vehicle and step on speed, and obtain the front virtual gear ratio of speed change, after this variable speed bicycle speed change, enter step a) at once; And at step b) and step c) between include a step b1), the virtual gear ratio before this virtual gear ratio and the speed change is compared, if identical, then judge speed change failure.
15. the unusual condition discrimination method of described variable speed bicycle according to claim 14, wherein: at step b1), after judging the speed change failure, carry out again gear shifting operation one time, and again will this virtual gear ratio and speed change before virtual gear ratio compare, if still identical, then judge the speed change failure and carry out again gear shifting operation, so repeat until just enter step c after the comparative result difference).
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| CN201110232475.XA CN102935868B (en) | 2011-08-15 | 2011-08-15 | A variable-speed bicycle capable of identifying abnormal conditions and its identification method |
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| CN201110232475.XA CN102935868B (en) | 2011-08-15 | 2011-08-15 | A variable-speed bicycle capable of identifying abnormal conditions and its identification method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019177844A (en) * | 2018-03-30 | 2019-10-17 | 株式会社シマノ | Transmission-related device and transmission system |
| JP2019177845A (en) * | 2018-03-30 | 2019-10-17 | 株式会社シマノ | Control device, transmission-related device, and transmission system |
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| CN1741926A (en) * | 2003-01-21 | 2006-03-01 | 丰田自动车株式会社 | Vehicle Seat Belt Device |
| CN201074018Y (en) * | 2007-07-24 | 2008-06-18 | 久鼎金属实业股份有限公司 | Power assisting system of electric power-assisted bicycle |
| KR20100089221A (en) * | 2009-02-03 | 2010-08-12 | 콘티넨탈 오토모티브 시스템 주식회사 | Method for controlling transmission of dual clutch transmission of vehicle |
| US20100250076A1 (en) * | 2009-03-24 | 2010-09-30 | Shultz Jeffrey E | Acceleration based mode switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019177844A (en) * | 2018-03-30 | 2019-10-17 | 株式会社シマノ | Transmission-related device and transmission system |
| JP2019177845A (en) * | 2018-03-30 | 2019-10-17 | 株式会社シマノ | Control device, transmission-related device, and transmission system |
| JP7134674B2 (en) | 2018-03-30 | 2022-09-12 | 株式会社シマノ | Control device, transmission-related device, and transmission system |
| JP7248383B2 (en) | 2018-03-30 | 2023-03-29 | 株式会社シマノ | Transmission-related devices and transmission systems |
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| CN102935868B (en) | 2014-08-06 |
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