CN110654500A - Automatic speed changing method and device for electric power-assisted bicycle - Google Patents
Automatic speed changing method and device for electric power-assisted bicycle Download PDFInfo
- Publication number
- CN110654500A CN110654500A CN201910989165.9A CN201910989165A CN110654500A CN 110654500 A CN110654500 A CN 110654500A CN 201910989165 A CN201910989165 A CN 201910989165A CN 110654500 A CN110654500 A CN 110654500A
- Authority
- CN
- China
- Prior art keywords
- bicycle
- speed
- electric power
- threshold
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
- B62M25/00—Actuators for gearing speed-change mechanisms specially adapted for cycles
- B62M25/08—Actuators for gearing speed-change mechanisms specially adapted for cycles with electrical or fluid transmitting systems
Abstract
The invention provides an automatic speed changing method and an automatic speed changing device of an electric power-assisted bicycle, wherein the automatic speed changing device is arranged in the electric power-assisted bicycle, judges whether the electric power-assisted bicycle is in an acceleration stage or not according to the current speed by detecting the current speed of the electric power-assisted bicycle, and automatically changes the speed of the electric power-assisted bicycle according to the current speed, so that a user does not need to manually shift gears when riding, the user experience is improved, and the user burden is reduced. Moreover, the automatic gear shifting is realized through an automatic speed changing method, so that the battery service efficiency of the electric power-assisted bicycle can be improved, and the driving mileage of the bicycle and the service life of the battery can be prolonged.
Description
Technical Field
The invention relates to a speed changing method, in particular to an automatic speed changing method and an automatic speed changing device of an electric power-assisted bicycle.
Background
The electric power-assisted bicycle is a novel two-wheel vehicle, is a novel electromechanical integrated vehicle after being modified on the basis of a bicycle, is similar to the bicycle in appearance, is provided with a motor as an auxiliary power source by a battery, is provided with a power auxiliary system, and realizes manpower riding and the novel vehicle with the motor actively integrated.
The existing gear shifting method for the electric power-assisted bicycle mainly relies on manual gear shifting, and a rider needs to shift gears according to self needs. This manual shifting method is inconvenient in practical use and requires additional more power to be consumed by the electric assist when the shift speeds are not matched.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an automatic speed changing method and an automatic speed changing device for an electric power assisted bicycle.
The invention provides an automatic speed changing method of an electric power-assisted bicycle, which comprises the following steps:
step S1-1: monitoring a plurality of speed values of a bicycle in a current time period;
step S1-2: judging whether the bicycle is in an acceleration stage or not according to the plurality of speed values;
step S1-3: when the judgment result is yes, judging whether the speed value reaches a first threshold value;
step S1-4: when the judgment is yes, the speed of the bicycle is adjusted to a second gear;
step S1-5: continuously monitoring the speed value of the bicycle in the current time period;
step S1-6: judging whether the bicycle reaches a second threshold value according to the speed value continuously monitored in the step S1-5;
step S1-7: when the judgment is yes, the speed of the bicycle is adjusted to a third gear,
wherein the second threshold is greater than the first threshold.
According to the automatic speed changing method of the electric power-assisted bicycle, the current speed of the electric power-assisted bicycle can be detected, whether the electric power-assisted bicycle is in an acceleration stage or not is judged according to the current speed, and then the electric power-assisted bicycle is automatically changed according to the current speed, so that when a user rides the bicycle, the user does not need to manually shift gears, the user experience is improved, and the burden of the user is relieved. Moreover, the automatic gear shifting is realized through an automatic speed changing method, so that the battery service efficiency of the electric power-assisted bicycle can be improved, and the driving mileage of the bicycle and the service life of the battery can be prolonged.
The invention also provides another automatic speed changing method of the electric power-assisted bicycle, which comprises the following steps:
step S2-1: monitoring a plurality of speed values of a bicycle in a current time period;
step S2-2: judging whether the bicycle is in a speed reduction stage or not according to the plurality of speed values;
step S2-3: when the judgment result is yes, judging whether the speed value is reduced to a second threshold value;
step S2-4: when the judgment is yes, the speed of the bicycle is adjusted to a second gear;
step S2-5: continuously monitoring the speed value of the bicycle in the current time period;
step S2-6: judging whether the bicycle is lowered to a first threshold value according to the speed value continuously monitored in the step S2-5;
step S2-7: when the judgment is yes, the speed of the bicycle is adjusted to the first gear,
wherein the second threshold is greater than the first threshold.
According to the invention, the automatic speed changing method in the acceleration stage and the automatic speed changing method in the deceleration stage are provided, so that no matter the user accelerates or decelerates, the user does not need to additionally operate the gear shifting by hands, and the user experience is improved.
In the above-described automatic shifting method for an electric bicycle according to the present invention, the method may further include: the value range of the first threshold is 9-13 kilometers per hour; the second threshold value ranges from 18km/h to 24 km/h.
In the above-described automatic shifting method for an electric bicycle according to the present invention, the method may further include: the value range of the first threshold is 4-9 kilometers per hour; the second threshold value ranges from 9km/h to 18 km/h.
In the automatic speed changing method of the electric power-assisted bicycle, two groups of different first threshold values and second threshold values are set according to two different modes, namely a non-electric power-assisted mode and an electric power-assisted mode, so that the automatic speed changing method of the electric power-assisted bicycle can better adapt to users and provide better experience for customers.
The invention also provides an automatic speed changing device for realizing the automatic speed changing method of the electric power-assisted bicycle, which is arranged in the electric power-assisted bicycle and comprises a storage module, a first speed changing module and a second speed changing module, wherein the storage module stores a first threshold value and a second threshold value; the monitoring module monitors the current speed of the electric power-assisted bicycle; the extraction module is used for extracting the speed value monitored by the monitoring module from the monitoring module; the judging module is used for judging whether the electric power-assisted bicycle is in an acceleration stage or a deceleration stage according to the speed value and judging whether the speed value reaches a first threshold value or a second threshold value on the basis of a first threshold value and a second threshold value stored in the storage module; and the gear shifting module is used for shifting the electric power-assisted bicycle based on the judgment of the judgment module.
In the invention, the automatic speed changing device is arranged in the electric power-assisted bicycle, and the automatic speed changing method can be realized, so that the automatic speed changing of the electric power-assisted bicycle is realized.
Drawings
Fig. 1 is a block diagram of an automatic transmission in an embodiment of the invention;
FIG. 2 is a flow chart of a method for automatically shifting a bicycle with electric assist during an acceleration phase in an electric assist mode in accordance with an embodiment of the present invention;
FIG. 3 is a flow chart of an automatic transmission method for an electric bicycle during a downshift phase in an electric assist mode in accordance with an embodiment of the present invention;
FIG. 4 is a flow chart of a method for automatically shifting a bicycle with electric assist after braking in the electric assist mode in accordance with an embodiment of the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the following embodiments are specifically described in the automatic speed changing method of the electric power assisted bicycle in the invention with reference to the accompanying drawings.
In this embodiment, the electric power assisted bicycle has two modes: a non-electric assist mode and an electric assist mode.
Fig. 1 is a block diagram of an automatic transmission in an embodiment of the present invention.
As shown in fig. 1, the automatic transmission device 100 in the present embodiment is installed in an electric bicycle for automatically shifting the electric bicycle, and includes a storage module 10, a monitoring module 20, an extraction module 30, a determination module 40, a shifting module 50, and a control module 60.
The storage module 10 stores a first threshold and a second threshold, and the second threshold is greater than the first threshold. In different modes, the value ranges of the first threshold and the second threshold are different. Under the non-electric power-assisted mode, the value range of the first threshold value is 9 km/h-13 km/h, and the value range of the second threshold value is 18 km/h-24 km/h; under the electric power assisting mode, the value range of the first threshold value is 4 km/h-9 km/h, and the value range of the second threshold value is 9 km/h-18 km/h.
The monitoring module 20 monitors the current speed of the electric bicycle.
The extraction module 30 extracts a speed value of the electric bicycle monitored by the monitoring module 20 from the monitoring module 20. The extraction module 30 may extract the current speed of the electric power assisted bicycle, or may extract a plurality of speed values over a period of time.
The determining module 40 determines whether the electric power assisted bicycle is in an acceleration stage or a deceleration stage according to a plurality of speed values extracted by the extracting module 30 within a period of time. The determining module 40 may also determine whether the speed value reaches the first threshold or the second threshold according to the speed value extracted by the extracting module 30 and then based on the first threshold and the second threshold stored in the storing module 10.
The shift module 50 shifts the electric assist bicycle based on the determination of the determination module 40.
The control module 60 contains computer programs for controlling the storage module 10, the monitoring module 20, the extraction module 30, the determination module 40, and the shifting module 50.
The principles and steps of the automatic speed changing method of the electric power assisted bicycle in the non-electric power assisted mode and the electric power assisted mode are the same, and only the value ranges of the first threshold and the second threshold in the two modes are different.
In the present embodiment, the automatic shifting method in the electric assist mode is described in detail as an example. In the automatic speed changing method, the second threshold value is larger than the first threshold value, the value range of the first threshold value is 4 km/h-9 km/h, and the value range of the second threshold value is 9 km/h-18 km/h.
FIG. 2 is a flow chart of a method for automatically shifting a bicycle with electric assist during an acceleration phase in an electric assist mode in accordance with an embodiment of the present invention;
as shown in fig. 2, the automatic speed changing method of the electric power assisted bicycle in the acceleration stage in the electric power assisted mode includes the steps of:
step S1-1: the monitoring module 20 monitors a plurality of speed values and a current speed of the electric bicycle during a current period of time, and the extraction module 30 extracts the plurality of speed values and the current speed value from the speed values monitored by the monitoring module 20.
Step S1-2: the determining module 40 determines whether the electric power assisted bicycle is in an acceleration stage according to the plurality of speed values extracted by the extracting module 30.
When the judgment is yes, step S1-3 is performed.
When the judgment is no, the flow ends.
Step S1-3: the determining module 40 continues to determine whether the current speed value reaches the first threshold according to the current speed value extracted by the extracting module 30.
When the judgment is yes, step S1-4 is performed.
When the judgment is no, the flow ends.
Step S1-4: the shift module 50 adjusts the speed of the electric assist bicycle to a second gear.
Step S1-5: the monitoring module 20 continuously monitors the speed value of the electric power-assisted bicycle in the current time period, and the extracting module 30 extracts the current speed value;
step S1-6: and according to the speed value continuously monitored and extracted in the step S1-5, judging whether the current speed value of the electric power-assisted bicycle reaches a second threshold value.
When the judgment is yes, step S1-7 is performed.
When the judgment is no, the flow ends.
Step S1-7: the shift module 50 adjusts the speed of the electric assist bicycle to a third gear.
FIG. 3 is a flow chart of a method for automatically shifting a bicycle with electric assist during a downshift phase in an electric assist mode in accordance with an embodiment of the present invention.
As shown in fig. 2, the automatic speed changing method of the electric power assisted bicycle in the acceleration stage in the electric power assisted mode includes the steps of:
step S2-1: the monitoring module 20 monitors a plurality of speed values and a current speed of the electric bicycle during a current period of time, and the extraction module 30 extracts the plurality of speed values and the current speed value from the speed values monitored by the monitoring module 20.
Step S2-2: the judging module 40 judges whether the electric power assisted bicycle is in the deceleration stage according to the plurality of speed values extracted by the extracting module 30.
When the judgment is yes, step S2-3 is performed.
When the judgment is no, the flow ends.
Step S2-3: the determining module 40 continues to determine whether the current speed value falls to the second threshold according to the current speed value extracted by the extracting module 30.
When the judgment is yes, step S2-4 is performed.
When the judgment is no, the flow ends.
Step S2-4: the shift module 50 adjusts the speed of the electric assist bicycle to a second gear.
Step S2-5: the monitoring module 20 continuously monitors the speed value of the electric power-assisted bicycle in the current time period, and the extracting module 30 extracts the current speed value;
step S2-6: and according to the speed values continuously monitored and extracted in the step S2-5, judging whether the current speed value of the electric power-assisted bicycle is reduced to a first threshold value.
When the judgment is yes, step S2-7 is performed.
When the judgment is no, the flow ends.
Step S2-7: the shift module 50 adjusts the speed of the electric assist bicycle to a first gear.
In addition, in the present embodiment, the monitoring module 20 can also monitor the electric bicycle brake. When the monitoring module 20 monitors that the electric bicycle is braked, a flowchart of the automatic speed changing method of the electric bicycle is shown in fig. 4, and includes the following steps:
step 3-1: the current speed of the electric bicycle is monitored by the monitoring module 20, and the current speed value monitored by the monitoring module 20 is extracted by the module 30.
Step 3-2: the determining module 40 determines whether the current speed value is greater than the second threshold according to the current speed value extracted by the extracting module 30.
When the judgment is no, step S3-3 is performed.
When the judgment is yes, step S3-8 is performed.
Step S3-3: the determining module 40 continues to determine whether the current speed value is between the second threshold and the first threshold according to the current speed value extracted by the extracting module 30.
When the judgment is yes, step S3-4 is performed.
When the judgment is no, step S3-8 is performed.
Step S3-4: the shift module 50 adjusts the speed of the electric assist bicycle to a second gear.
Step S3-5: the monitoring module 20 continuously monitors the current speed value of the electric power-assisted bicycle, and the extracting module 30 extracts the current speed value;
step S3-6: and according to the speed values continuously monitored and extracted in the step S3-5, judging whether the current speed value of the electric power-assisted bicycle is smaller than a first threshold value.
When the judgment is yes, step S3-7 is performed.
When the judgment is no, step S3-8 is performed.
Step 3-7: the shift module 50 adjusts the speed of the electric assist bicycle to a first gear.
Step 3-8: no gear shift is triggered.
In the above-described automatic speed change method, the first gear is set to 0 km/h.
In summary, according to the automatic speed changing device and the automatic speed changing method implemented by the device in the embodiment, the speed value of the electric power assisted bicycle can be obtained through monitoring and extraction, so that the current state and the current speed value of the electric power assisted bicycle can be judged, and automatic speed changing of the electric power assisted bicycle can be implemented. Moreover, the automatic gear shifting is realized through an automatic speed changing method, so that the battery service efficiency of the electric power-assisted bicycle can be improved, and the driving mileage of the bicycle and the service life of the battery can be prolonged.
In addition, this embodiment still provides the automatic speed changing method of the electric power assisted bicycle after the brake, and the electric power assisted bicycle after the brake realizes shifting fast like this, but also can shift gears to the bicycle according to the speed after the brake for electric power assisted bicycle is more intelligent, also reduces electric power assisted bicycle's battery consumption simultaneously, prolongs the life of battery.
In addition, in the embodiment, specific speeds of the second gear and the third gear are not limited, and in practical application, specific numerical values of the second gear and the third gear can be limited according to market needs, so that the whole automatic speed changing method better meets market requirements.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their full equivalents, the present application is intended to include such modifications and variations.
Claims (5)
1. An automatic speed changing method of an electric power-assisted bicycle is characterized by comprising the following steps:
step S1-1: monitoring a plurality of speed values of the bicycle for a current time period;
step S1-2: judging whether the bicycle is in an acceleration stage or not according to the plurality of speed values;
step S1-3: when the judgment result is yes, judging whether the speed value reaches a first threshold value;
step S1-4: when the judgment is yes, the speed of the bicycle is adjusted to a second gear;
step S1-5: continuously monitoring the speed value of the bicycle in the current time period;
step S1-6: judging whether the bicycle reaches a second threshold value according to the speed value continuously monitored in the step S1-5;
step S1-7: when the judgment is yes, the speed of the bicycle is adjusted to a third gear,
wherein the second threshold is greater than the first threshold.
2. An automatic speed changing method of an electric power-assisted bicycle is characterized by comprising the following steps:
step S2-1: monitoring a plurality of speed values of the bicycle for a current time period;
step S2-2: judging whether the bicycle is in a speed reduction stage or not according to the plurality of speed values;
step S2-3: when the judgment result is yes, judging whether the speed value is reduced to a second threshold value;
step S2-4: when the judgment is yes, the speed of the bicycle is adjusted to a second gear;
step S2-5: continuously monitoring the speed value of the bicycle in the current time period;
step S2-6: judging whether the bicycle is lowered to a first threshold value according to the speed value continuously monitored in the step S2-5;
step S2-7: when the judgment is yes, the speed of the bicycle is adjusted to a first gear,
wherein the second threshold is greater than the first threshold.
3. The automatic speed changing method of an electric power-assisted bicycle according to claim 1 or 2, wherein:
the value range of the first threshold is 9-13 kilometers per hour;
the second threshold value ranges from 18 kilometers per hour to 24 kilometers per hour.
4. The automatic speed changing method of an electric power-assisted bicycle according to claim 1 or 2, wherein:
the value range of the first threshold is 4-9 kilometers per hour;
the second threshold value ranges from 9 kilometers per hour to 18 kilometers per hour.
5. An automatic transmission device for realizing an automatic transmission method of an electric power-assisted bicycle according to any one of claims 1 to 4, the automatic transmission device being provided in the electric power-assisted bicycle, comprising:
the storage module stores a first threshold value and a second threshold value;
a monitoring module that monitors a current speed of the electric power assisted bicycle;
an extraction module which extracts the speed value monitored by the monitoring module from the monitoring module;
the judging module is used for judging whether the electric power-assisted bicycle is in an acceleration stage or a deceleration stage according to the speed value and judging whether the speed value reaches the first threshold or the second threshold based on the first threshold and the second threshold stored in the storage module; and
and the gear shifting module is used for shifting the electric power-assisted bicycle based on the judgment of the judgment module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989165.9A CN110654500A (en) | 2019-10-17 | 2019-10-17 | Automatic speed changing method and device for electric power-assisted bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910989165.9A CN110654500A (en) | 2019-10-17 | 2019-10-17 | Automatic speed changing method and device for electric power-assisted bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110654500A true CN110654500A (en) | 2020-01-07 |
Family
ID=69041137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910989165.9A Pending CN110654500A (en) | 2019-10-17 | 2019-10-17 | Automatic speed changing method and device for electric power-assisted bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110654500A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470428A (en) * | 2002-07-10 | 2004-01-28 | ��ʽ���絺Ұ | Bicycle display system and bicycle speed-changing system |
| CN102346446A (en) * | 2010-07-26 | 2012-02-08 | 久鼎金属实业股份有限公司 | Automatic gear shifting control system for bicycle |
| CN104192255A (en) * | 2014-09-23 | 2014-12-10 | 西北工业大学 | Automatic transmission of e-bike and implementing method |
| US20150120119A1 (en) * | 2013-10-29 | 2015-04-30 | Shimano Inc. | Bicycle control apparatus |
| TW201641360A (en) * | 2015-05-28 | 2016-12-01 | 島野股份有限公司 | Control device for an automatic transmission of a bicycle |
| CN206466114U (en) * | 2016-12-26 | 2017-09-05 | 苏州万佳电器有限公司 | A kind of bicycle speed change system |
-
2019
- 2019-10-17 CN CN201910989165.9A patent/CN110654500A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1470428A (en) * | 2002-07-10 | 2004-01-28 | ��ʽ���絺Ұ | Bicycle display system and bicycle speed-changing system |
| CN102346446A (en) * | 2010-07-26 | 2012-02-08 | 久鼎金属实业股份有限公司 | Automatic gear shifting control system for bicycle |
| US20150120119A1 (en) * | 2013-10-29 | 2015-04-30 | Shimano Inc. | Bicycle control apparatus |
| CN104192255A (en) * | 2014-09-23 | 2014-12-10 | 西北工业大学 | Automatic transmission of e-bike and implementing method |
| TW201641360A (en) * | 2015-05-28 | 2016-12-01 | 島野股份有限公司 | Control device for an automatic transmission of a bicycle |
| CN206466114U (en) * | 2016-12-26 | 2017-09-05 | 苏州万佳电器有限公司 | A kind of bicycle speed change system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3068683B1 (en) | Automatic gear shift system for an e-bicycle | |
| CN110877529A (en) | Pure electric vehicle and energy recovery control method and control system thereof | |
| EP2377713A1 (en) | Electrically assisted bicycle | |
| CN105711443A (en) | Slope slipping preventing system of electric car and work method of slope slipping preventing system | |
| WO2014064728A1 (en) | Regenerative brake control system for electric vehicle | |
| JPH09267790A (en) | Regeneration control device of bicycle with auxiliary power | |
| US9522713B2 (en) | Vehicle operable with muscle power and/or motor power, and method for operating the vehicle | |
| JP4333916B2 (en) | Fuel efficient driving evaluation system | |
| CN104340325A (en) | Electric automatic and electric manual gear shifting device of electric vehicle | |
| EP3401201B1 (en) | Electric vehicle | |
| KR101073476B1 (en) | Intelligent electric bicycle control apparatus supporting variable mapping | |
| JP2021062640A (en) | Electric bicycle capable of traveling through self-charging | |
| JP2018518130A (en) | Electric motor scooter | |
| CN109606289A (en) | A kind of hybrid power chassis descending energy consuming methods | |
| CN104340327B (en) | Electric vehicle with automatic wave energy | |
| CN107458531A (en) | A kind of shared motor bicycle of variable output power | |
| CN205523760U (en) | Electric automobile prevents sloping system of swift current | |
| CN202029752U (en) | Shift time decision and warning device | |
| CN110654500A (en) | Automatic speed changing method and device for electric power-assisted bicycle | |
| CN102069728A (en) | Power-assisted control method of electric bicycle | |
| CN111674263A (en) | Auxiliary braking method and system for vehicle | |
| KR100598805B1 (en) | Method and system for controlling regenerative braking of four wheel drive electric vehicle | |
| TWI588042B (en) | Energy recoverable electrical bicycle and energy recovery method | |
| CN113320636B (en) | Control device for human-powered vehicle | |
| KR101158187B1 (en) | Power distribution device for electric bicycle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 200241 2220, room 2, No. 588 Zixing Road, Minhang District, Shanghai. Applicant after: Shanghai shimai Digital Technology Co.,Ltd. Address before: 200241 2220, room 2, No. 588 Zixing Road, Minhang District, Shanghai. Applicant before: SHANGHAI XIN AN DIGITAL TECHNOLOGY Co.,Ltd. |
|
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200107 |