CN105836038A - Bicycle speed change system capable of shifting changeable gear positions according to speed per hour - Google Patents
Bicycle speed change system capable of shifting changeable gear positions according to speed per hour Download PDFInfo
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- CN105836038A CN105836038A CN201510018016.XA CN201510018016A CN105836038A CN 105836038 A CN105836038 A CN 105836038A CN 201510018016 A CN201510018016 A CN 201510018016A CN 105836038 A CN105836038 A CN 105836038A
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- gear
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Abstract
The invention provides a bicycle speed change system capable of shifting changeable gear positions according to the speed per hour. The bicycle speed change system comprises a front speed changer, a rear speed changer and a microcomputer, wherein the microcomputer has a gear set gear position table which has a plurality of gear ratios in which all gears in a front gear set correspond to all gears in a rear gear set. The microcomputer further has a plurality of speed distinguishing gear shifting logics which are used for taking part of the multiple gear ratios in the gear set gear position table; each speed distinguishing gear shifting logic corresponds to one speed section; the microcomputer selects and uses one speed distinguishing gear shifting logic according to bicycle speeds; and the taken multiple gear ratios are used as gear positions to conduct gear shifting according to a preset gear shifting sequence. The multiple gear ratios taken by the speed distinguishing gear shifting logic are not completely identical with gear ratios taken by other speed distinguishing gear shifting logics.
Description
Technical field
The present invention is relevant with the transmission technology of bicycle, particularly relates to that a kind of to carry out cutting according to speed per hour interchangeable
The bicycle shift system of shelves gear.
Background technology
U.S. US No. 5,653,649 patent diselosesll are a kind of utilizes computer system to perform gear shift action
Technology, it is technically characterized in that have a Rear Derailleur and a front derailleur, when accelerating operation,
First control Rear Derailleur and taken turns to the order gear shift of minimum tooth wheel by its canine tooth, then control front derailleur by minimum
Gear is to maximum gear order gear shift；And when deceleration-operation, first control Rear Derailleur by minimum gear
To maximum gear order gear shift, control front derailleur the most again and taken turns to minimum gear order by maximum tooth and change
Shelves.Such technology is the mode of a kind of order gear shift, and it can use all of gear, therefore,
It shifts up and downshift is based on certain path and circulates in whole gears.But, actual rides
State may often be such that rider depends on itself physical ability condition and rides at certain speed interval, and physical ability is good
Rider, it rides speed often can be maintained at high speed, and physical ability chump is low in being the most often maintained at
Speed, therefore, aforesaid gear changing mode does not enter for the riding configuration being often held in certain speed interval
The planning of row gear shift.
China's CN 104071296A patent also discloses the technology being similar to aforementioned sequentially gear shift, so
And, it does not still carry out the planning of gear shift for the riding configuration being often held in certain speed interval.
U.S. US No. 5,865,454 patent diselosesll front derailleur and Rear Derailleur mate gear carry out speed change
Gearshift control order, it has the gearshift control order of many groups.But, it is not still for often
The riding configuration being held in certain speed interval carries out the planning of gear shift.
Summary of the invention
The main object of the present invention is in that providing a kind of carrys out cutting shift gear voluntarily according to speed per hour
Car speed change system, it can be for being often maintained at the riding configuration of certain speed interval, according to this speed district
Between take applicable shift gear, and use these shift gears to carry out gear shift action.
Edge is, according to a kind of bicycle change carrying out cutting shift gear according to speed per hour provided by the present invention
Speed system, includes: a front derailleur, is located at a bicycle and the front gear corresponding to this bicycle
Group, these nipper wheels have multiple gear from large to small, and are connected to this voluntarily with a wherein gear
The chain of car；One Rear Derailleur, is located at this bicycle and the backgear group corresponding to this bicycle, should
Backgear group has multiple gear from large to small, and is connected to the chain of this bicycle with a wherein gear
Bar；And a micro computer, it is electrically connected at this front derailleur and this Rear Derailleur, and controls this front change
Speed device and this Rear Derailleur carry out gear shift action；Wherein, this micro computer has a gear train gear table,
This gear train gear table has each gear each tooth corresponding to this backgear group of these nipper wheels
Multiple gear ratios of wheel；Wherein, this micro computer also has multiple speed differentiation shift logic, respectively this speed
Degree is distinguished shift logic and is taken multiple gear ratios of part in this gear train gear table, and respectively this speed is distinguished
Shift logic corresponds respectively to a speed interval, and respectively this speed interval refers to set high speed, a setting one
Lowest speed or refer to an interval the most at a high speed and between a lowest speed；This micro computer is according to the mesh of this bicycle
Front speed takes the speed differentiation shift logic met corresponding to this speed interval a certain, and with this speed
Distinguish the multiple gear ratios being drawn corresponding to shift logic and come according to a predetermined gear shift suitable as gear
Sequence carries out gear shift；Wherein, multiple gears that respectively this speed differentiation shift logic is taken are than incomplete phase
It is same as other speed and distinguishes shift logic institute access person.
Beneficial effects of the present invention:
The present invention can come according to this speed interval for being often maintained at the riding configuration of certain speed interval
Take applicable shift gear, and use these shift gears to carry out gear shift action.
Accompanying drawing explanation
Fig. 1 is the block schematic diagram of the present invention the first preferred embodiment.
Fig. 2 is the structural representation of the present invention the first preferred embodiment, the structure of display bicycle.
Fig. 3 is the block schematic diagram of the present invention the second preferred embodiment.
[symbol description]
10 carry out the bicycle shift system of cutting shift gear according to speed per hour
11 front derailleurs
21 Rear Derailleurs
31 micro computers
32 gear train gear tables
34 speed distinguish shift logic
10 ' carry out the bicycle shift system of cutting shift gear according to speed per hour
34 ' speed distinguish shift logic
90 bicycles
91 nipper wheels
92 backgear groups
99 chains
Detailed description of the invention
In order to describe the technical characterstic place of the present invention in detail, hereby lift following preferred embodiment and coordinate
After graphic explanation such as, wherein:
As shown in Figure 1 to Figure 2, the one that the present invention the first preferred embodiment is provided carrys out cutting according to speed per hour
The bicycle shift system 10 of shift gear, mainly by front derailleur 11, Rear Derailleur 21 with
And one micro computer 31 formed, wherein:
This front derailleur 11, is located at a bicycle 90 and the nipper wheels 91 corresponding to this bicycle 90,
These nipper wheels 91 have multiple gear from large to small, and are connected to this bicycle with a wherein gear
The chain 99 of 90.
This Rear Derailleur 21, is located at this bicycle 90 and the backgear group 92 corresponding to this bicycle 90,
This backgear group 92 has multiple gear from large to small, and is connected to this bicycle with a wherein gear
The chain 99 of 90.
This micro computer 31, is electrically connected at this front derailleur 11 and this Rear Derailleur 21, and before controlling this
Variator 11 and this Rear Derailleur 21 carry out gear shift action.
Wherein, this micro computer 31 has a gear train gear table 32, and this gear train gear table 32 has this
Each gear of nipper wheels 91 does corresponding to multiple gear ratios of each gear of this backgear group 92
For gear.Shown in this following list 1 of gear train gear table 32, wherein nipper wheels 91 with 3 gears are
Example and be shown in transverse axis, backgear group 92 is shown in the longitudinal axis as a example by 10 gears, the ratio in table
Being gear ratio, therefore actual gear ratio has 30.
Table 1
This micro computer 31 has multiple speed and distinguishes shift logic 34, and respectively this speed distinguishes shift logic 34
Taking multiple gear ratios of part in this gear train gear table 32, respectively this speed distinguishes shift logic 34 points
Not Dui Yingyu a speed interval, respectively this speed interval refer to set one the most at a high speed, set a lowest speed or
Refer to an interval the most at a high speed and between a lowest speed.This micro computer 31 is according to the current speed of this bicycle 90
Take the speed differentiation shift logic 34 met corresponding to this speed interval a certain, and distinguish with this speed
The multiple gears being drawn corresponding to shift logic 34 come according to a predetermined shift sequence than as gear
(such as, by little gear ratio to gear wheel ratio or by gear wheel ratio extremely little gear ratio) carries out gear shift.Wherein,
Multiple gear ratios that respectively this speed differentiation shift logic 34 is taken are not entirely identical to other speed districts
Divide 34 access persons of shift logic.Also, make the change of this micro computer 31 be taken in speed change
When one this speed distinguishes shift logic 34, can be with this front derailleur of priority acccess control when carrying out gearshift control
11 carry out gear shift, or can also carry out gear shift according to this predetermined shift sequence；Wherein, preferentially control
Make this front derailleur 11 when carrying out gear shift, can be poor by the number of teeth of the 3 of these nipper wheels 91 gear
Away from relatively big, and more gear change can be produced, thus can more quickly finish gear shift action；
And if be based on this predetermined shift sequence to if carrying out gear shift, then have the possibility that gear change is more
Property, gear shift completes institute's time spent will be relatively long, but rider can be allowed to feel, and the change of gear is careful
And it is the loftiest.
In this first embodiment, it is to distinguish as a example by shift logic 34 by 3 speed, respectively this speed district
Divide the speed interval corresponding to shift logic 34 differing from each other.Lower list 2 shows that corresponding speed is interval
Shift logic 34, the gear ratio that it is taken is distinguished 10 kilometers/hour of speed below.
Table 2
Lower list 3 shows that the interval speed between 10～20 kilometers/hour of corresponding speed distinguishes gear shift
Logic 34, the gear ratio that it is taken.
Table 3
Lower list 4 shows that the interval speed more than 20 kilometers/hour of corresponding speed distinguishes shift logic
34, the gear ratio that it is taken.
Table 4
From above-mentioned table 2～table 4, differing from each other and the most adjacent aforementioned speed interval is in speed
On at least partially overlap.Such as, the speed interval corresponding to table 2 is less than 10 kilometers/hour, table
Speed interval corresponding to 3 is 10～20 kilometers/hour, therefore in the part of speed 10 kilometers/hour
It is overlapping.Table 3 and table 4 are then to be overlapping in the part of speed 20 kilometers/hour.
It is explained above the framework of this first embodiment, next the operation side of this first embodiment is described
Formula.
Referring again to Fig. 1, when rider ride speed below 10 kilometers/hour time, micro computer 31
I.e. perform to distinguish corresponding to the speed of this speed interval shift logic 34, and take in table 2 shown
Gear than coming as the foundation of gear shift, and when other speed interval, then take the table of correspondence
Gear ratio in 3 (between 10～20 kilometers/hour) or table 4 (more than 20 kilometers/hour) is as changing
Shelves foundation.Wherein, in the bicycle system of fluid drive, this micro computer 31 judge voluntarily be
No shift-up or downshift also carry out the gear shift action of correspondence；And in the bicycle system of hand shift, then
It is manually entered shift command to indicate this micro computer 31 to carry out shifting up or downshift action by rider.Thus
Visible, when the physical ability of rider is poor, often cannot ride quickly, and usually can be maintained at 10 kilometers
/ hour below speed, therefore, taking at shift gear, only need to perform corresponding to this
The speed of speed interval is distinguished shift logic 34 and is used the gear in table 2.And due to great majority
Rider belong to medium physical ability person, therefore, often can be maintained between 10～20 kilometers/hour, this
The speed of sample i.e. can perform to distinguish shift logic 34 corresponding to the speed of this speed interval and correspondence makes
Gear with table 3.And physical ability is preferably and in the case of road conditions license, then can often protect speed 20 kilometers/
More than hour, the most i.e. can perform to distinguish shift logic 34 right corresponding to the speed of this speed interval
The gear of table 4 should be used.
If it addition, riding configuration is red by running in the case of (being i.e. more than 20 kilometers/hour) at a high speed
Lamp and stopped by rider's car, the most at this moment gear still may be a certain corresponding in table 4
Individual gear, if now cresset turns green and time rider is to be started to walk, will feel that gear is too high and rides motionless
Problem, at this moment this micro computer 31 i.e. can take the gear of table 2 according to current speed, and then changes
Shelves action.If this front derailleur 11 of priority acccess control carries out gear shift in this gear shift action, the most permissible
More quickly finish gear shift action；And if be based on this predetermined shift sequence to if carrying out gear shift,
Then having the probability that gear change is more, gear shift completes institute's time spent will be relatively long, but can allow
Rider thinks that the change of gear is careful and the loftiest.
From the foregoing, this first embodiment can ride shape for be often maintained at certain speed interval
State, takes applicable shift gear according to this speed interval, and uses these shift gears
Carry out gear shift action.
Referring again to Fig. 3, the one that the present invention the second preferred embodiment is provided carrys out cutting according to speed per hour can
The bicycle shift system 10 ' of shift gear, takes off first embodiment, difference before being the most generally same as
It is:
The plurality of speed is distinguished in shift logic 34 ', and it is right that the speed of part distinguishes shift logic 34 ' institute
The speed interval answered is differing from each other, and the speed of part distinguishes the speed corresponding to shift logic 34 '
Interval mutually the same, but corresponding to different riding mode, those riding mode refer to into door model and specially
Industry pattern.
In this second embodiment, it is to continue to use the table 2 in aforementioned first embodiment～table 4 is respectively defined as
The friction speed that enters door model interval (less than 10 kilometers/hour, between 10～20 kilometers/hour, 20
More than kilometer/hour) gear taken.And additionally list 3 tables (i.e. table 5～table 7) display more specially
Friction speed under industry pattern interval (less than 10 kilometers/hour, between 10～20 kilometers/hour, 20
More than kilometer/hour) gear taken.The content tabular of table 5～table 7 is as follows.
Table 5
Table 6
Table 7
Thus, in this second embodiment, table 2～table 4 and table 5～table 7 distinguish shift logic for speed
34 ' its gear ratios taken, the speed interval corresponding to table 2～table 4 is differing from each other, and table 5～
Speed interval corresponding to table 7 is differing from each other.But, table 2 is with the speed interval corresponding to table 5 then
Being less than 10 kilometers/hour and identical, table 3 is then 10～20 with the speed interval corresponding to table 6
Between kilometer/hour identical, table 4 and the speed interval corresponding to table 7 be then 20 kilometers/hour with
Above identical, although to be identical on speed interval, but corresponding to different riding mode,
And be respectively into door model and professional mode.
Although it is noted that table 2 is corresponding identical speed to table 6 and table 4 to table 7 to table 5, table 3
Degree interval, but, gear that two corresponding tables are taken is the most incomplete same.
This second embodiment has more compared with first embodiment and takes gear (with table corresponding to professional mode
5～table 7 show), rider can be facilitated to do the most various operation and to select.
Remaining framework of this second embodiment and the effect that can reach take off the first enforcement before being the most generally same as
Example, holds no longer to give repeating.
Claims (5)
1. the bicycle shift system carrying out cutting shift gear according to speed per hour, it is characterised in that comprise
Have:
One front derailleur, is located at a bicycle and the nipper wheels corresponding to this bicycle, this front gear
Group has multiple gear from large to small, and is connected to the chain of this bicycle with a wherein gear；
One Rear Derailleur, is located at this bicycle and the backgear group corresponding to this bicycle, this backgear
Group has multiple gear from large to small, and is connected to the chain of this bicycle with a wherein gear；With
And
One micro computer, is electrically connected at this front derailleur and this Rear Derailleur, and controls this front derailleur
And this Rear Derailleur carries out gear shift action；
Wherein, this micro computer has a gear train gear table, and this gear train gear table has this front gear
Each gear of group is corresponding to multiple gear ratios of each gear of this backgear group；
It is characterized in that:
This micro computer also has multiple speed and distinguishes shift logic, and respectively this speed differentiation shift logic is taken
Multiple gear ratios of part in this gear train gear table, respectively this speed differentiation shift logic corresponds respectively to
One speed interval, respectively this speed interval is setting one high speed, sets a lowest speed or the most at a high speed
And with speed for calculating the interval on basis between a lowest speed；This micro computer is according to the current car of this bicycle
Speed takes the speed differentiation shift logic met corresponding to this speed interval a certain, and distinguishes with this speed
The multiple gears being drawn corresponding to shift logic enter according to a predetermined shift sequence than as gear
Row gear shift；Wherein, multiple gear ratios that respectively this speed differentiation shift logic is taken are not entirely identical to
Other speed distinguishes shift logic institute access person.
The bicycle shift system carrying out cutting shift gear according to speed per hour the most according to claim 1, its
It is characterised by: the speed interval that respectively this speed is distinguished corresponding to shift logic is differing from each other.
The bicycle shift system carrying out cutting shift gear according to speed per hour the most according to claim 1, its
It is characterised by: the speed interval that the speed of part is distinguished corresponding to shift logic is differing from each other, and portion
The speed interval that the speed divided is distinguished corresponding to shift logic is mutually the same, but corresponding to different riding
Pattern, those riding mode are for entering door model and professional mode.
4. according to the bicycle shift system carrying out cutting shift gear according to speed per hour of Claims 2 or 3,
It is characterized in that: differing from each other and the most adjacent aforementioned speed interval at least part in speed
Overlapping.
The bicycle shift system carrying out cutting shift gear according to speed per hour the most according to claim 1, its
It is characterised by: make this micro computer change this speed differentiation gear shift taken patrol in speed change
When collecting, when carrying out gear shift action, this front derailleur of priority acccess control carries out gear shift.
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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105836038A true CN105836038A (en) | 2016-08-10 |
| CN105836038B CN105836038B (en) | 2018-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510018016.XA Active 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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Cited By (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 |
| CN112896410A (en) * | 2019-12-04 | 2021-06-04 | 彦豪金属工业股份有限公司 | Derailleur gear control system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120226400A1 (en) * | 2010-12-31 | 2012-09-06 | J.D. Components Co., Ltd. | Power-assisted system for bicycle |
| 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 |
-
2015
- 2015-01-14 CN CN201510018016.XA patent/CN105836038B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120226400A1 (en) * | 2010-12-31 | 2012-09-06 | J.D. Components Co., Ltd. | Power-assisted system for bicycle |
| 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 |
Cited By (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 |
| CN112896410A (en) * | 2019-12-04 | 2021-06-04 | 彦豪金属工业股份有限公司 | Derailleur gear control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105836038B (en) | 2018-10-02 |
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