CN203528738U - Electric assisting bicycle drive system capable of recognizing road states - Google Patents

Electric assisting bicycle drive system capable of recognizing road states Download PDF

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Publication number
CN203528738U
CN203528738U CN201320535677.6U CN201320535677U CN203528738U CN 203528738 U CN203528738 U CN 203528738U CN 201320535677 U CN201320535677 U CN 201320535677U CN 203528738 U CN203528738 U CN 203528738U
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motor
electric
logic control
unit
control element
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朱旭平
孙敏
丁强
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Abstract

The utility model relates to an electric assisting bicycle drive system capable of recognizing road states. A braking control unit, a step frequency sensing unit and a gradient sensing unit are connected to a logic control unit, the logic control unit is connected to a motor drive unit, an assisting force ratio adjusting unit and a man-machine interaction interface, the motor is connected with the motor drive unit and the assisting force ratio adjusting unit at the same time, and the assisting force ratio adjusting unit is connected with the man-machine interaction interface; the logic control unit and the man-machine interaction interface are in mutual feedback adjustment, and the man-machine interaction interface and the assisting force ratio adjusting unit are in mutual feedback adjustment. According to the system, the assisting force ratio of the motor can be controlled by manually adjusting a control button of the man-machine interaction interface, the road gradient can be monitored at any time by means of the gradient sensing unit, the assisting force ratio is increased or decreased according to uphill or downhill, and a rider can always keep a comfortable state.

Description

A kind of electric assisted bicycle drive system that can identify pavement state
Technical field
The utility model relates to a kind of electric assisted bicycle drive system that can identify pavement state, belongs to electric assisted bicycle motor sensing induction control-driven system field.
Background technology
Electric assisted bicycle, in European Union, U.S. Canada, Japan and other countries, legal provisions are to use electric power directly to drive, cannot, under the prerequisite that does not have manpower to start, with the direct starter motor of switch, necessarily first want manpower to ride, after car load starts, then utilize electric power to assist and ride, once manpower stops riding, electric power stops riding equally at once.
Current, electric assisted bicycle drive system judges whether car load starts and generally takes two kinds of patterns, and a kind of is picking rate, and a kind of is to gather moment, is the explanation of these two kinds of modes below:
(1), picking rate, system Negotiation speed sensor gathers the whether startup of car load, and riding speed.Then by computer computing, Real Time Drive motor, promotes car and advances, thereby reach the effect that power-assisted is ridden.
The advantage of which is: low cost product, reliable in structure.Install simple.Shortcoming is that bicyclist's traveling comfort is inadequate.Run into while going up a slope, vehicle None-identified goes up a slope, and causes manpower to be ridden and requires great effort when going up a slope, and reduces traveling comfort.
(2), gather moment, the foot-operated dynamics of using of bicyclist when system is used torque sensor to gather manpower to ride, by Computing, Real Time Drive motor, makes manpower and electric power combined action, reaches the effect that power-assisted is ridden.
The advantage of which is that traveling comfort is good, and the dynamics that Real-time Collection manpower is ridden is adjusted the driving power of drive motor in real time, and booster torquemoment and the manpower foot-operated dynamics of riding is consistent.Shortcoming: complex structure, complexity is installed, compatibility is installed not, need to be according to the size customization vehicle frame of torque sensor, cost is high, and reliability is inadequate, and manufacture requires very high, has special vehicle to install.
Summary of the invention
In order to solve the problem of above-mentioned existence, the utility model discloses a kind of electric assisted bicycle drive system that can identify pavement state, this drive system is responded to by the gradient and is stepped on frequently induction installation, make system can identify electric assisted bicycle and be in upward slope, descending, or the state of level road, then pass through logic control system, motor driven systems, makes motor export different moments of torsion at different conditions, finally makes bicyclist's state in a kind of power-saving always.
A kind of electric assisted bicycle drive system that can identify pavement state, comprise brake control unit, step on sensing unit frequently, gradient sensing unit, human-computer interaction interface, logic control element, electric-motor drive unit, motor and assist rate regulon, described brake control unit, step on sensing unit frequently, gradient sensing unit is connected respectively to logic control element, logic control element is connected respectively to electric-motor drive unit, assist rate regulon and human-computer interaction interface, motor connects electric-motor drive unit and assist rate regulon simultaneously, assist rate regulon connects human-computer interaction interface simultaneously.
Described human-computer interaction interface andlogic control unit is feedback link each other, and assist rate regulon and human-computer interaction interface are mutual feedback link.
Describedly step on the pedal crank that sensing unit is frequently fixed on vehicle, can produce and step on signal frequently, and pass to logic control element.
Described gradient sensing unit adopts gravity horizontal sensing device, is the horizon sensor of 360 ° * 360 °, can be arranged on vehicle Anywhere.
Described logic control element receives to be stepped on after frequency induced signal, accepts the signal of gradient sensing unit simultaneously, judges that whether vehicle is in ramp, if in level road, by electric-motor drive unit, according to riding speed drive motor rotating speed, if vehicle goes up a slope in ramp, logic control element is calculated the ramp gradient, passes through electric-motor drive unit, expanded motor output torque, allow vehicle climb, if vehicle, in descending, passes through electric-motor drive unit, stop Motor torque output, allow vehicle downhill running.
Described human-computer interaction interface comprises the above control button of LCDs and 1, and liquid crystal display can display line vehicle speed, mileage, system outgoing current, electric quantity of power supply, assist rate state, system failure detection; Control button circuit connects assist rate regulon.
The instruction of described electric-motor drive unit actuating logic control unit, the curtage that is drive motor by the instruction transformation of logic control element.
The state during operation of described assist rate regulon Real-time Collection motor, the assist rate command signal that acceptor's machine interactive interface passes over, according to the real-time status of motor, send and drive instruction to logic control element, logic control element, by electric-motor drive unit drive motor, is made corresponding moment of torsion output.
This electric assisted bicycle drive system, cheap, the comfort level of riding is good.The defect that has solved the None-identified upward slope of speed sensor, has solved torque sensor complex structure, complexity is installed, the defect that cost is high.
Accompanying drawing explanation
Fig. 1 is that the utility model control is related to connection diagram,
Fig. 2 is the utility model human-computer interaction interface schematic diagram.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model.
1 is visible by reference to the accompanying drawings, originally can identify the electric assisted bicycle drive system of pavement state, comprise brake control unit, step on sensing unit frequently, gradient sensing unit, human-computer interaction interface, logic control element, electric-motor drive unit, motor and assist rate regulon, described brake control unit, step on sensing unit frequently, gradient sensing unit is connected respectively to logic control element, logic control element is connected respectively to electric-motor drive unit, assist rate regulon and human-computer interaction interface, motor connects electric-motor drive unit and assist rate regulon simultaneously, assist rate regulon connects human-computer interaction interface simultaneously, described human-computer interaction interface andlogic control unit is feedback link each other, and assist rate regulon and human-computer interaction interface are mutual feedback link.
Brake control unit is that bicyclist need to stop or need to slow down, and occurs, after brake, BK Brake Switch to be installed on brake lever.Once generation brake, logic control element is received the signal that BK Brake Switch is transmitted at once, now judgement, and bicyclist will brake, and now stops at once motor output, makes Motor torque be output as zero, no longer drives.
Step on the pedal crank that frequency sensing unit is fixed on vehicle, can produce and step on signal frequently, and pass to logic control element.Once bicyclist is with the manpower electric assisted bicycle of riding, that is to say, the motor vehicle pedal crank as long as bicyclist makes to tramp with one's feet, this device is the exportable signal frequently of stepping on, logic control element receives to be stepped on after frequency signal, analyze whether riding of this vehicle, whether stop, and the foot-operated speed while riding.
Gradient sensing unit adopts gravity horizontal sensing device, is the horizon sensor of 360 ° * 360 °, can be arranged on vehicle Anywhere.When vehicle is on ramp, vehicle is necessarily in the state of an inclination, now use gravity horizontal sensing device, output inclination of vehicle angle, inclination angle signal is exported to logic control element, it is simple in structure, small and exquisite, can be placed in the space that is greater than arbitrarily 2cm*2cm, by wire, is connected to logic control element.
Logic control element receives to be stepped on after the signal of sensing unit output frequently and the signal of gradient sensing unit output, first be judgement, whether vehicle rides, if received, steps on induced signal frequently, learns, vehicle starts by manpower, logic control element detects gradient induced signal, now judges that whether vehicle is in ramp, if in level road, by electric-motor drive unit, according to riding speed drive motor rotating speed; If vehicle goes out brokenly ramp, go up a slope, calculate the ramp gradient, by electric-motor drive unit, expanded motor output torque, allows vehicle climb; If vehicle is in descending, by electric-motor drive unit, stop Motor torque output, allow vehicle downhill running.
Human-computer interaction interface comprises LCDs and a plurality of control button, and LCDs can show, road speed, mileage, system outgoing current (power), electric quantity of power supply, assist rate state, system failure detection, display interface is as shown in Figure 2, by logic control element, export the required data of human-computer interaction interface, data comprise: road speed, mileage, output power of motor, battery dump energy, various failure codes.Make bicyclist know clearly the electric state when vehicle in front, bicyclist is according to the physical state of self, can be same by the control button arranging on human-computer interaction interface, control system assist rate, make bicyclist's physical efficiency in good state, or wish mainly with manpower, to ride, a small amount of electric power is auxiliary, can regulate assist rate low-grade location, now man-machine interface sends instruction to assist rate regulon, assist rate regulon is according to the driving function pre-setting, by logic control element, export corresponding drive pattern, rely on electric-motor drive unit to export in low power consumpting state by motor, can make car load ride apart from longer.Otherwise, bicyclist wishes most of electric power power-assisted that relies on, self physical efficiency is not enough, now can regulate assist rate high tap position, now man-machine interface sends instruction to assist rate regulon, and assist rate regulon, according to the driving function pre-setting, is exported corresponding drive pattern by logic control element, rely on electric-motor drive unit to export in the high torque condition of high power consumption by motor, make bicyclist's manpower consumption still less.
Electric-motor drive unit is the executive device of the various instructions of logic control element, the various physical conditions that are motor by the instruction transformation of logic control element, and as electric current, voltage, moment of torsion etc.
Various driving function is stored and called to assist rate regulon, the state during operation of Real-time Collection motor, as speed, voltage, electric current etc., the assist rate command signal that acceptor's machine interactive interface passes over, then according to the real-time status of motor, by driving function, send and drive instruction to logic control element, logic control element, by electric-motor drive unit drive motor, is made corresponding moment of torsion output.
Motor is the final output mechanism of system, and logic control element gathers the instruction of all, all by motor, is converted to moment of torsion.Motor accept from electric-motor drive unit about electric current, voltage, the physical quantity of rotating speed.Feed back to the real-time current/voltage rotary speed data of assist rate regulon simultaneously.Assist rate regulon collects after motor real time data, contrast with the driving function of self, again send regulating command to logic control element, logic control element is by after electric-motor drive unit drive motor, assist rate regulon gathers motor operating parameter again, until motor operating parameter meets the assist rate of assist rate regulon, requires.
Lower mask body is introduced implementation method of the present utility model.
Before car load starts, power-on, powers on, and system is in wait state.
Embodiment 1: braking state
Logic control element detects brake control unit simultaneously, steps on sensing unit frequently, and whether gradient sensing unit, have respectively signal.If brake control unit detected, having brake signal, whether have signal, all will export halt instruction to electric-motor drive unit if no matter stepping on frequency sensing unit and gradient sensing unit, and motor can not have any rotation.
Embodiment 2: quiescence
Logic control element detects brake control unit, there is no brake signal, step on sensing unit frequently and there is no speed signal, so no matter whether gradient sensing unit has signal, logic control element is all considered as vehicle to be not activated wish, now logic control element all will be exported halt instruction to electric-motor drive unit, and motor can not have any rotation.
Embodiment 3: level road is ridden
Logic control element detects steps on sensing unit frequently, have signal, brake control unit does not have signal, and gradient sensing unit has signal, by logic control element, calculate without the gradient, illustrate that vehicle starts by manpower, on level road, travel, now logic control element, call default standard driving function, by electric-motor drive unit drive motor, produce moment of torsion, car load is ridden in power-assisted.Motor steps on by logic control element Real-time Collection that sensing unit frequently sends steps on signal frequently, the needed driving parameter of judgement motor; The real-time status of motor, by assist rate regulon, feeds back to logic control element simultaneously, judges whether the state of motor reaches needed state.
Embodiment 4: go up a slope and ride
In the process of riding, logic control element, Real-Time Monitoring is stepped on sensing unit frequently.The signal intensity of gradient sensing unit and brake control unit, if step on sensing unit frequently, there is signal, gradient sensing unit has signal, illustrates that vehicle is in the process of riding, and the gradient of road changes, then judgement is to go up a slope or descending, if go up a slope, while calculating upward slope by standard driving function, the increment of motor output torque, logic control element, by electric-motor drive unit drive motor, is adjusted moment of torsion increment.The state of assist rate regulon Real-time Collection motor, after collection, contrast with the parameter of standard driving function, judge whether to reach designated parameter, if do not reached, logic control element sends instruction and carries out trace adjustment to electric-motor drive unit, assist rate regulon implements to gather the state of motor again, form the state feedback mechanisms of motor, adjust in real time, make bicyclist feel that power-assisted is comfortable.
Embodiment 5: descending is ridden
In the process of riding, logic control element Real-Time Monitoring is stepped on the signal intensity of sensing unit, gradient sensing unit and brake control unit frequently, if step on sensing unit frequently, have signal, gradient sensing unit has signal, illustrates that vehicle is in the process of riding, the gradient of road changes, then judgement is to go up a slope or descending, if descending is learnt by standard driving function, system closing motor during descending, allows vehicle in sliding state.
Embodiment 6: the application of man-machine interaction
In the real-time riding condition of vehicle, during bicyclist's physical state, be engraved in variation, bicyclist needs can control system drive pattern, and the physical efficiency that adapts to bicyclist changes.The utility model provides a kind of standard driving function, adapts to the ride impression of most people under normal condition.When bicyclist feels very tired, wish that motor is to more moment of torsion is provided, pay manpower still less, by the control button on human-computer interaction interface, send instruction, assist rate regulon receives and regulates after regulating command, contrast with standard driving function, send the instruction of the driving that strengthens or weaken, issue logic control element, then ceaselessly whether Real-Time Monitoring motor reaches the target that will regulate, micro-tune is increased to instruction and send or feed back to logic control element, carry out closed loop control.
Human-computer interaction interface is accepted the real time information from logic control element simultaneously, comprises vehicle speed per hour, the mileage of riding, and real time power consumption, fault detection code, system spare electric weight etc., for bicyclist's real time inspection.
Human-computer interaction interface can also send shutdown command to logic control element simultaneously, when bicyclist does not need the power-assisted of electric booster system, can send shutdown command by the control button in man-machine interface, when logic control element receives the shutdown command that human-computer interaction interface sends, whole force aid system is closed, energy efficient.
The disclosed technological means of the utility model scheme is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being comprised of above technical characterictic combination in any.

Claims (8)

1. the electric assisted bicycle drive system that can identify pavement state, it is characterized in that comprising brake control unit, step on sensing unit frequently, gradient sensing unit, human-computer interaction interface, logic control element, electric-motor drive unit, motor and assist rate regulon, described brake control unit, step on sensing unit frequently, gradient sensing unit is connected respectively to logic control element, logic control element is connected respectively to electric-motor drive unit, assist rate regulon and human-computer interaction interface, motor connects electric-motor drive unit and assist rate regulon simultaneously, assist rate regulon connects human-computer interaction interface simultaneously.
2. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 1, is characterized in that described human-computer interaction interface andlogic control unit feedback link each other, and assist rate regulon and human-computer interaction interface are mutual feedback link.
3. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 1, steps on the pedal crank that frequency sensing unit is fixed on vehicle described in it is characterized in that, can produce and step on signal frequently, and pass to logic control element.
4. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 1, it is characterized in that described gradient sensing unit employing gravity horizontal sensing device is the horizon sensor of 360 ° * 360 °, can be arranged on vehicle local arbitrarily.
5. according to a kind of electric assisted bicycle drive system that can identify pavement state described in claim 1 or 2 or 3 or 4, it is characterized in that described logic control element receives steps on frequently after induced signal, accept the signal of gradient sensing unit simultaneously, judge that whether vehicle is in ramp, if in level road, pass through electric-motor drive unit, according to riding speed drive motor rotating speed, if vehicle goes up a slope in ramp, logic control element is calculated the ramp gradient, pass through electric-motor drive unit, expanded motor output torque, allow vehicle climb, if vehicle is in descending, pass through electric-motor drive unit, stop Motor torque output, allow vehicle downhill running.
6. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 5, it is characterized in that described human-computer interaction interface comprises LCDs and 1 above control button, liquid crystal display can display line vehicle speed, mileage, system outgoing current, electric quantity of power supply, assist rate state, system failure detection; Control button circuit connects assist rate regulon.
7. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 5, it is characterized in that the instruction of described electric-motor drive unit actuating logic control unit, the curtage that is drive motor by the instruction transformation of logic control element.
8. a kind of electric assisted bicycle drive system that can identify pavement state according to claim 7, state while it is characterized in that the operation of described assist rate regulon Real-time Collection motor, the assist rate command signal that acceptor's machine interactive interface passes over, according to the real-time status of motor, send and drive instruction to logic control element, logic control element, by electric-motor drive unit drive motor, is made corresponding moment of torsion output.
CN201320535677.6U 2013-08-30 2013-08-30 Electric assisting bicycle drive system capable of recognizing road states Expired - Lifetime CN203528738U (en)

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CN201320535677.6U CN203528738U (en) 2013-08-30 2013-08-30 Electric assisting bicycle drive system capable of recognizing road states
PCT/CN2013/084082 WO2015027540A1 (en) 2013-08-30 2013-09-24 Electrically power assisted cycle driving system capable of recognizing state of road

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103434604A (en) * 2013-08-30 2013-12-11 孙敏 Electric power bicycle driving system capable of recognizing state of road
CN104950915A (en) * 2015-06-08 2015-09-30 广州杰赛科技股份有限公司 Spherical sensor based motion control method and spherical sensor based motion control device
CN105048441A (en) * 2015-07-03 2015-11-11 广州杰赛科技股份有限公司 Power supply energy saving method and device based on spherical sensor
CN106515984A (en) * 2016-09-23 2017-03-22 乐视控股(北京)有限公司 Bicycle driving system and bicycle comprising same
CN106585849A (en) * 2016-11-21 2017-04-26 天津逍悦达科技有限公司 Method for achieving intelligent assistance for bicycle through three-axis acceleration sensor
CN109080760A (en) * 2017-06-14 2018-12-25 王定元 A kind of power-assisted running method of bicycle
CN109689490A (en) * 2016-10-11 2019-04-26 欧姆龙株式会社 Control system, server, control method and program
CN109941390A (en) * 2019-02-27 2019-06-28 天津三一友泰科技有限公司 Moped intelligent-induction system
CN110884599A (en) * 2019-10-31 2020-03-17 江西吕布科技有限公司 Power-assisted bicycle power-assisted information display method and system, mobile terminal and storage medium
CN108382267B (en) * 2018-01-15 2020-03-17 江苏爱玛车业科技有限公司 Motor output control method of electric vehicle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103434604A (en) * 2013-08-30 2013-12-11 孙敏 Electric power bicycle driving system capable of recognizing state of road
CN104950915A (en) * 2015-06-08 2015-09-30 广州杰赛科技股份有限公司 Spherical sensor based motion control method and spherical sensor based motion control device
CN105048441A (en) * 2015-07-03 2015-11-11 广州杰赛科技股份有限公司 Power supply energy saving method and device based on spherical sensor
CN106515984A (en) * 2016-09-23 2017-03-22 乐视控股(北京)有限公司 Bicycle driving system and bicycle comprising same
CN109689490A (en) * 2016-10-11 2019-04-26 欧姆龙株式会社 Control system, server, control method and program
CN106585849A (en) * 2016-11-21 2017-04-26 天津逍悦达科技有限公司 Method for achieving intelligent assistance for bicycle through three-axis acceleration sensor
CN109080760A (en) * 2017-06-14 2018-12-25 王定元 A kind of power-assisted running method of bicycle
CN108382267B (en) * 2018-01-15 2020-03-17 江苏爱玛车业科技有限公司 Motor output control method of electric vehicle
CN109941390A (en) * 2019-02-27 2019-06-28 天津三一友泰科技有限公司 Moped intelligent-induction system
CN110884599A (en) * 2019-10-31 2020-03-17 江西吕布科技有限公司 Power-assisted bicycle power-assisted information display method and system, mobile terminal and storage medium

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