CN105836038B - Carry out the bicycle shift system of cutting shift-variable gear according to speed per hour - Google Patents
Carry out the bicycle shift system of cutting shift-variable gear according to speed per hour Download PDFInfo
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- CN105836038B CN105836038B CN201510018016.XA CN201510018016A CN105836038B CN 105836038 B CN105836038 B CN 105836038B CN 201510018016 A CN201510018016 A CN 201510018016A CN 105836038 B CN105836038 B CN 105836038B
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- speed
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Abstract
The present invention is a kind of bicycle shift system for carrying out cutting shift-variable gear according to speed per hour, includes：One front derailleur；One Rear Derailleur；An and micro computer；Wherein, which there is a gear set gear table, each gear of the gear set gear table with the front gear group to correspond to multiple gear ratios of each gear of the backgear group；Wherein, the micro computer also there are multiple speed to distinguish shift logic, respectively the speed distinguishes multiple gear ratios that shift logic takes part in the gear set gear table, respectively the speed distinguishes shift logic and corresponds respectively to a speed interval, the micro computer takes the speed according to speed and distinguishes shift logic, and the multiple gear ratios being drawn with these are shifted gears as gear according to a predetermined shift schedule；Wherein, respectively the speed distinguishes multiple gear ratios that shift logic is taken and is not entirely identical to other speed differentiation shift logic institute access person.
Description
Technical field
The present invention is related with the transmission technology of bicycle, particularly relates to a kind of carrying out cutting shift-variable gear voluntarily according to speed per hour
Vehicle speed change system.
Background technology
A kind of technology executing gear shifting action using computer system of U.S. US 5,653, No. 649 patent diseloseslls, skill
Art is characterized in that thering is a Rear Derailleur and a front derailleur, when accelerating to operate, first controls Rear Derailleur by its gear wheel
It shifts gears to minimum gear sequence, then controls front derailleur and maximum gear sequence shift is taken turns to by minimum tooth；And in deceleration-operation,
First control Rear Derailleur takes turns to maximum gear sequence by minimum tooth and shifts gears, and controls front derailleur again later and takes turns to minimum by maximum tooth
Gear sequence is shifted gears.Such technology is a kind of mode of sequence shift, can use to all gears and therefore add gear
And downshift is recycled in whole gears according to certain path.However, actual riding configuration is often rider according to it
The physical efficiency condition riding of itself can often be maintained at high speed in certain speed interval, the good rider of physical efficiency, riding speed,
And physical efficiency chump then can often be maintained at middle low speed, therefore, shift mode above-mentioned is not directed to and is often held in some speed area
Between the planning shifted gears of riding configuration.
Chinese CN 104071296A patents are also disclosed similar to the aforementioned technology sequentially shifted gears, however, it does not still have
Have to be directed to and is often held in the planning that the riding configuration of some speed interval is shifted gears.
U.S. US No. 5,865,454 patent diseloseslls front derailleur and Rear Derailleur mate gear carry out the shift control of speed change
System sequence, with multigroup shift control sequence.However, it is still without for the riding for being often held in some speed interval
The planning that state is shifted gears.
Invention content
The main object of the present invention is in that provide a kind of bicycle shift system for carrying out cutting shift-variable gear according to speed per hour,
It can be directed to the riding configuration for being often maintained at some speed interval, and suitable shift-variable gear is taken according to the speed interval,
And carry out gear shifting action using these shift-variable gears.
Edge is a kind of bicycle shift system that carrying out cutting shift-variable gear according to speed per hour provided according to the present invention, packet
Contain：One front derailleur, is set to a bicycle and the front gear group corresponding to the bicycle, which has multiple by big
To small gear, and it is connected to a wherein gear chain of the bicycle；One Rear Derailleur set on the bicycle and corresponds to
The backgear group of the bicycle, which has multiple gears from large to small, and is connected to this certainly with a wherein gear
The chain of driving；And a micro computer, it is electrically connected at the front derailleur and the Rear Derailleur, and control the front derailleur and should
Rear Derailleur carries out gear shifting action；Wherein, which there is a gear set gear table, the gear set gear table to have the nipper
Each gear of wheel group corresponds to multiple gear ratios of each gear of the backgear group；Wherein, which also has multiple
Speed distinguishes shift logic, and respectively the speed distinguishes multiple gear ratios that shift logic takes part in the gear set gear table, respectively
The speed distinguishes shift logic and corresponds respectively to a speed interval, and respectively it is one minimum to refer to one most high speed of setting, setting for the speed interval
Speed or refer to section between a most high speed and a lowest speed；The micro computer taken according to the current speed of the bicycle meet it is a certain
Speed corresponding to the speed interval distinguishes shift logic, and multiple with being drawn corresponding to speed differentiation shift logic
Gear ratio is shifted gears as gear according to a predetermined shift schedule；Wherein, respectively the speed distinguish shift logic taken it is more
A gear ratio is not entirely identical to other speed and distinguishes shift logic institute access person.
Beneficial effects of the present invention：
The present invention can be directed to the riding configuration for being often maintained at some speed interval, be taken according to the speed interval suitable
Shift-variable gear, and carry out gear shifting action using these shift-variable gears.
Description of the drawings
Fig. 1 is the block schematic diagram of the first preferred embodiment of the invention.
Fig. 2 is the structural schematic diagram of the first preferred embodiment of the invention, shows the structure of bicycle.
Fig. 3 is the block schematic diagram of the second preferred embodiment of the invention.
【Symbol description】
10 carry out the bicycle shift system of cutting shift-variable gear according to speed per hour
11 front derailleurs
21 Rear Derailleurs
31 micro computers
32 gear set gear tables
34 speed distinguish shift logic
10 ' carry out the bicycle shift system of cutting shift-variable gear according to speed per hour
34 ' speed distinguish shift logic
90 bicycles
91 front gear groups
92 backgear groups
99 chains
Specific implementation mode
For the technical characterstic place that the present invention will be described in detail, hereby lifts preferred embodiment below and coordinate schema explanation such as
Afterwards, wherein：
As shown in Figure 1 to Figure 2, one kind that the first preferred embodiment of the invention is provided carrys out cutting shift-variable gear according to speed per hour
Bicycle shift system 10, be mainly made of a front derailleur 11, a Rear Derailleur 21 and a micro computer 31, wherein：
The front derailleur 11 is set to a bicycle 90 and the front gear group 91 corresponding to the bicycle 90, the front gear group
91 have multiple gears from large to small, and the chain 99 of the bicycle 90 is connected to a wherein gear.
The Rear Derailleur 21 is set to the bicycle 90 and the backgear group 92 corresponding to the bicycle 90, the backgear group
92 have multiple gears from large to small, and the chain 99 of the bicycle 90 is connected to a wherein gear.
The micro computer 31 is electrically connected at the front derailleur 11 and the Rear Derailleur 21, and control the front derailleur 11 and
The Rear Derailleur 21 carries out gear shifting action.
Wherein, which there is a gear set gear table 32, the gear set gear table 32 to have the front gear group 91
Each gear correspond to the backgear group 92 each gear multiple gear ratios as gear.The gear set gear table 32 is such as
Shown in following table 1, wherein front gear group 91 is shown in horizontal axis by taking 3 gears as an example, and backgear group 92 is by taking 10 gears as an example
And it is shown in the longitudinal axis, the ratio in table is gear ratio, therefore actual gear ratio has 30.
Table 1
There are the micro computer 31 multiple speed to distinguish shift logic 34, and respectively the speed distinguishes shift logic 34 and takes the tooth
Multiple gear ratios of part in wheel group gear table 32, respectively the speed distinguish shift logic 34 correspond respectively to a speed interval, respectively
The speed interval refers to one most high speed of setting, sets a lowest speed or refers to the section between a most high speed and a lowest speed.This is micro-
Computer 31 takes the speed met corresponding to a certain speed interval according to the current speed of the bicycle 90 and distinguishes shift logic 34,
And come according to a predetermined shift schedule as gear with the multiple gear ratios being drawn that the speed is distinguished corresponding to shift logic 34
(for example, by pinion gear ratio to gear wheel ratio or by gear wheel ratio to pinion gear ratio) shifts gears.Wherein, respectively speed differentiation is changed
Multiple gear ratios that gear logic 34 is taken are not entirely identical to other speed and distinguish 34 access persons of shift logic.Also, in vehicle
It, can when carrying out shift and controlling when speed changes and the micro computer 31 is made to change taken speed differentiation shift logic 34
With priority acccess control, the front derailleur 11 is shifted gears, or can also be shifted gears according to the predetermined shift schedule；Wherein,
When the priority acccess control front derailleur 11 is shifted gears, can by the teeth number differences of 3 gears of the front gear group 91 away from larger, and
More gear variation can be generated, it is possible thereby to more quickly finish gear shifting action；And if suitable according to the predetermined shift
The time spent in sequence if being shifted gears, changes more possibility there will be gear, and shift is completed will relatively long, but can
Rider is allowed to think that the change of gear is careful without lofty.
It is so that 3 speed distinguish shift logic 34 as an example, respectively the speed distinguishes shift logic 34 in this first embodiment
Corresponding speed interval is differing from each other.Following table 2 shows that corresponding speed section is distinguished in 10 kilometers/hour of speed below
Shift logic 34, the gear ratio taken.
Table 2
Following table 3 shows that speed of the corresponding speed section between 10~20 kilometers/hour distinguishes shift logic 34, institute
The gear ratio taken.
Table 3
Following table 4 shows that shift logic 34 is distinguished in corresponding speed section in 20 kilometers/hour or more of speed, is taken
Gear ratio.
Table 4
By above-mentioned 2~table of table 4 it is found that the aforementioned speed interval differing from each other and adjacent two-by-two at least portion in speed
Divide overlapping.For example, the speed interval corresponding to table 2 is 10 kilometers/hour hereinafter, the speed interval corresponding to table 3 is 10~20
Kilometer/hour, therefore be overlapped in the part of 10 kilometers/hour of speed.Table 3 and table 4 are then in 20 kilometers of speed/small
When part be overlapped.
The framework of this first embodiment is explained above, the mode of operation of this first embodiment will be illustrated next.
Referring again to Fig. 1, when the riding speed of rider is at 10 kilometers/hour or less, micro computer 31 executes correspondence
Shift logic 34 is distinguished in the speed of this speed interval, and the gear ratio shown by taking in table 2 carrys out the foundation as shift,
And in other speed intervals, then take corresponding table 3 (between 10~20 kilometers/hour) or table 4 (20 kilometers/hour with
On) in gear ratio come as shift foundation.Wherein, in the bicycle system of self shifter, by the micro computer 31 come voluntarily
Judge whether to add gear or downshift and carries out corresponding gear shifting action；And in the bicycle system of manual shift, then by rider
Shifting commands are manually entered to indicate that the micro computer 31 is carried out plus kept off or downshift acts.It can be seen that the physical efficiency of rider is poor
When, it often can not ride quickly, and 10 kilometers/hour of speeds below can be usually maintained at, therefore, in shift-variable gear
It takes, the speed that need to only execute corresponding to this speed interval distinguishes shift logic 34 and using the gear in table 2.And
Since most of rider belongs to medium physical efficiency person, it can often be maintained between 10~20 kilometers/hour, such vehicle
Speed can execute the speed differentiation shift logic 34 corresponding to this speed interval and the corresponding gear using table 3.And physical efficiency compared with
In the case that good and road conditions are permitted, then speed can be often protected at 20 kilometers/hour or more, at this moment can be executed corresponding to this speed
The speed for spending section distinguishes shift logic 34 and the corresponding gear using table 4.
If in addition, riding configuration be by high speed (be more than 20 kilometers/hour) in the case of encounter red light and by riding
Person, which brakes, to stop, then at this moment gear still may be corresponding to some gear in table 4, if cresset greening at this time and
When rider is to be started to walk, will feel that gear is excessively high and rides motionless problem, at this moment the micro computer 31 i.e. can according to current speed and
The gear of table 2 is taken, and then carries out gear shifting action.If the priority acccess control front derailleur 11 is shifted gears on this gear shifting action
When, then it can more quickly finish gear shifting action；And if if being shifted gears according to the predetermined shift schedule, there will be
The time spent in gear changes more possibility, and shift is completed relatively long, but can will allow rider to feel the change of gear
It is careful without lofty.
It can be seen from the above, this first embodiment can be directed to the riding configuration for being often maintained at some speed interval, according to the speed
Section is spent to take suitable shift-variable gear, and carries out gear shifting action using these shift-variable gears.
Referring again to Fig. 3, what the second preferred embodiment of the invention was provided a kind of carrying out cutting shift-variable gear according to speed per hour
Bicycle shift system 10 ' takes off first embodiment before being mainly generally same as, the difference is that：
Multiple speed is distinguished in shift logic 34 ', and the speed of part distinguishes the speed interval corresponding to shift logic 34 '
It is differing from each other, and the speed interval that partial speed is distinguished corresponding to shift logic 34 ' is mutually the same, but corresponding to different
Riding mode, those riding modes refer into door model and professional mode.
It is that the 2~table of table 4 continued to use in aforementioned first embodiment is respectively defined as into door model in this second embodiment
The gear that friction speed section (10 kilometers/hour hereinafter, between 10~20 kilometers/hour, 20 kilometers/hour or more) is taken
Position.And in addition list again 3 tables (i.e. 5~table of table 7) display professional mode under friction speed section (10 kilometers/hour hereinafter,
Between 10~20 kilometers/hour, 20 kilometers/hour or more) gear taken.The table of contents row of 5~table of table 7 are as follows.
Table 5
Table 6
Table 7
As a result, in this second embodiment, it is taken by speed differentiation shift logic 34 ' for 2~table of table 4 and 5~table of table 7
Gear ratio, the speed interval corresponding to 2~table of table 4 is differing from each other, and the speed interval corresponding to 5~table of table 7 is each other not
It is identical.However, table 2 and the speed interval corresponding to table 5 are then 10 kilometers/hour or less and identical, table 3 with corresponding to table 6
Speed interval be then identical between 10~20 kilometers/hour, table 4 is then 20 public affairs with the speed interval corresponding to table 7
In/more than hour identical, although being identical on speed interval, but correspond to different riding modes, and distinguish
To enter door model and professional mode.
It is noted that although table 2 is corresponding identical speed interval to table 7 to table 6 and table 4 to table 5, table 3, so
And the gear that two corresponding tables are taken is not fully identical.
This second embodiment is had more the gear of taking corresponding to professional mode compared with first embodiment and (is shown with 5~table of table 7
Show), rider can be facilitated to do more various operation selection.
Remaining framework of this second embodiment and the effect of capable of reaching, take off first embodiment before being generally same as, and appearance is no longer given
It repeats.
Claims (5)
1. a kind of bicycle shift system for carrying out cutting shift-variable gear according to speed per hour, it is characterised in that include：
One front derailleur, is set to a bicycle and the front gear group corresponding to the bicycle, which has multiple by big
To small gear, and it is connected to a wherein gear chain of the bicycle；
One Rear Derailleur, is set to the bicycle and the backgear group corresponding to the bicycle, which has multiple by big
To small gear, and it is connected to a wherein gear chain of the bicycle；And
One micro computer is electrically connected at the front derailleur and the Rear Derailleur, and control the front derailleur and the Rear Derailleur into
Row gear shifting action；
Wherein, which there is a gear set gear table, the gear set gear table to have each gear of the front gear group
Corresponding to multiple gear ratios of each gear of the backgear group；
It is characterized in that：
The micro computer also there are multiple speed to distinguish shift logic, and respectively the speed distinguishes shift logic and takes gear set gear
Multiple gear ratios of part in the table of position, respectively the speed distinguish shift logic and correspond respectively to a speed interval, each speed interval
It is to set a most high speed, set the section with speed to calculate basis between a lowest speed or a most high speed and a lowest speed；
The micro computer takes the speed met corresponding to a certain speed interval according to the current speed of the bicycle and distinguishes shift logic,
And come according to a predetermined shift schedule as gear with the multiple gear ratios being drawn that the speed is distinguished corresponding to shift logic
It shifts gears；Wherein, respectively the speed distinguishes multiple gear ratios that shift logic is taken and is not entirely identical to other speed areas
Divide shift logic institute access person.
2. the bicycle shift system according to claim 1 for carrying out cutting shift-variable gear according to speed per hour, it is characterised in that：Respectively should
The speed interval that speed is distinguished corresponding to shift logic is differing from each other.
3. the bicycle shift system according to claim 1 for carrying out cutting shift-variable gear according to speed per hour, it is characterised in that：Part
The speed interval distinguished corresponding to shift logic of speed it is differing from each other, and partial speed is distinguished corresponding to shift logic
Speed interval it is mutually the same, but correspond to different riding modes, those riding modes are into door model and professional mode.
4. according to Claims 2 or 3 according to speed per hour come the bicycle shift system of cutting shift-variable gear, it is characterised in that：
Differing from each other and aforementioned speed interval adjacent two-by-two at least partially overlaps in speed.
5. the bicycle shift system according to claim 1 for carrying out cutting shift-variable gear according to speed per hour, it is characterised in that：In vehicle
It is preferential when carrying out gear shifting action when speed changes and the micro computer is made to change taken speed differentiation shift logic
The front derailleur is controlled to shift gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018016.XA CN105836038B (en) | 2015-01-14 | 2015-01-14 | Carry out the bicycle shift system of cutting shift-variable gear according to speed per hour |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510018016.XA CN105836038B (en) | 2015-01-14 | 2015-01-14 | Carry out the bicycle shift system of cutting shift-variable gear according to speed per hour |
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| CN105836038A CN105836038A (en) | 2016-08-10 |
| CN105836038B true CN105836038B (en) | 2018-10-02 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107054555A (en) * | 2017-06-08 | 2017-08-18 | 杭州欣硬科技有限公司 | Multi-speed bicycle and its gear changing mechanism and device |
| TWI723663B (en) * | 2019-12-04 | 2021-04-01 | 彥豪金屬工業股份有限公司 | Derailleur shifting system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201323272A (en) * | 2011-12-05 | 2013-06-16 | J D Components Co Ltd | Automatic gear-shifting bicycle capable of temporarily switching to high output mode |
| CN104071296A (en) * | 2013-03-26 | 2014-10-01 | 株式会社岛野 | Bicycle gear changing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201226259A (en) * | 2010-12-31 | 2012-07-01 | J D Components Co Ltd | Pedaling assistance power supply system of a bicycle |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201323272A (en) * | 2011-12-05 | 2013-06-16 | J D Components Co Ltd | Automatic gear-shifting bicycle capable of temporarily switching to high output mode |
| CN104071296A (en) * | 2013-03-26 | 2014-10-01 | 株式会社岛野 | Bicycle gear changing apparatus |
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