CN105644366A - Speed-limiting system for moped - Google Patents
Speed-limiting system for moped Download PDFInfo
- Publication number
- CN105644366A CN105644366A CN201610171430.9A CN201610171430A CN105644366A CN 105644366 A CN105644366 A CN 105644366A CN 201610171430 A CN201610171430 A CN 201610171430A CN 105644366 A CN105644366 A CN 105644366A
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- Prior art keywords
- speed
- braking
- power assist
- assist vehicle
- brake
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/18—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including a device to audibly, visibly, or otherwise signal the existence of unusual or unintended speed to the driver of the vehicle
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
Abstract
A speed-limiting system for a moped comprises a speed-limiting control system and a mechanical braking system, wherein the mechanical braking system comprises a braking execution driving motor, a transmission mechanism and a braking execution device; the speed-limiting control system comprises a Hall sensor, an AVR single-chip microcomputer, a liquid crystal display output device and a buzzer; an induced magnet on a wheel hub cuts the Hall sensor, so that the magnetic induction line cutting of the magnet is recorded, each cutting interval can be recorded, the timing signals of the Hall sensor are collected and then input to the AVR single-chip microcomputer; the driving speed of the moped can be calculated according to programmed LCD sub-functions; whether the driving speed exceeds a set speed limit or not is judged, and if the driving speed exceeds the set speed limit, the AVR single-chip microcomputer sends signals to the buzzer, the buzzer works, and outputs signals to the braking execution driving motor. The speed-limiting system provided by the invention is simple in control system, relatively low in development cost, and stable in running.
Description
Technical field
The invention belongs to the control system regions of domestic transit equipment, especially relate to the speed limiting system of a kind of power assist vehicle.
Background technology
Along with the lifting of living standard, automobile is while constantly popularizing, and power assist vehicle miscellaneous also becomes the important composition mode that people occur. The equipment such as power assist vehicle includes electric motor car, bicycle, electro-tricycle and aid vehicle etc., electric motor car are the appearance modes of transportation that the outer individual of automobile is conventional, and along with environmental consciousness, electric motor car, bicycle appearance can constantly popularize.
But, in driving security process, electric motor car, bicycle are driven a vehicle main body as weak tendency, its higher speed is ridden and warning function inconspicuous, very big potential safety hazard is caused to traffic safety, therefore all kinds of power assist vehicles are occurred, except adopting the conventional means such as safety education, domination labelling, it is equipped with speed limiting system to relevant device also intuitively important. At a low price, the exploitation of stable power assist vehicle speed limiting system, follow-up market prospect is boundless.
Summary of the invention
Many potential safety hazards are brought for tradition power assist vehicle driving conditions is driven over the speed limit, and the problem that relevant speed limiting system is deficient, the present invention proposes a kind of simple, with low cost, stable power assist vehicle speed limiting system.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of power assist vehicle speed limiting system, it is made up of speed limit control system and mechanical braking system, described mechanical braking system is by braking execution drive motor, drive mechanism and brake perform device and constitute, braking performs the signal control that the work of drive motor is exported by speed limit control system, brake performs device and is generally individually separated a brake control unit by the brake system of original power assist vehicle, described speed limit control system is by Hall element, AVR single chip, LCD display output, buzzer is constituted, spoke at power assist vehicle wheel hub is installed above induced magnet, the cutting magnetic induction line of described Hall element record Magnet is installed corresponding to Magnet radius place above power assist vehicle wheel hub front fork, when power assist vehicle moves ahead in process, the cutting magnetic induction line of the induced magnet cutting Hall element record Magnet on wheel hub, the interval time of recordable each cutting, it is input to AVR single chip after the timing signal collection of Hall element, power assist vehicle road speed can be calculated by the LCD subfunction programmed, and judge whether road speed exceedes setting speed limit speed, calculate the road speed of gained by described LCD display output, if road speed is not less than setting speed limit speed, power assist vehicle continues normal traveling, if road speed exceedes setting speed limit speed, AVR single chip is signaled to buzzer, buzzer works, output signal to braking simultaneously and perform drive motor, perform braking operation, described braking performs drive motor and generally adopts motor, described motor can be exported signal by the PMW of AVR single chip and directly control, when next wheel diameter advanced by power assist vehicle, AVR single chip continues to judge whether road speed exceedes setting road speed, if still hypervelocity, continue braking, if no longer exceeded the speed limit, buzzer quits work, braking operation weakens.
Further, AVR single chip is for the PMW signal of hypervelocity output, control strategy is in principle, exceeding the speed limit more many, it is more big that PMW signal controls braking execution drive motor output moment of torsion, and braking effect is more strong, according to practical experience, braking performs the non-linearly proportional relation of difference of drive motor output moment of torsion and hypervelocity, but exponentially functional relationship, effect is preferably.
Preferably, described mechanical braking system is constituted by braking execution drive motor, drive mechanism and brake execution device, the brake of power assist vehicle generally at present adopts wheel shaft brake disc braking brake mode more, and wheel shaft brake disc is drawn by brake cable, therefore drive mechanism can adopt simple tightening sleeve barrel structure can meet requirement in conjunction with wire rope pulley structure, the described sleeve that tightens up is fixed on the output shaft of described braking execution drive motor, steel wire rope one end is fixed on tightens up on sleeve and is tightened up by tightening up sleeve, and the other end is fixed in the brake cable branch of wheel shaft brake disc.
Beneficial effects of the present invention is mainly manifested in: power assist vehicle speed limiting system, control system is simple, development cost is relatively low, stable, this system applies to power assist vehicle, power assist vehicle road speed playing speed limit and warning function, can be greatly promoted the traffic safety of power assist vehicle, this is for the various power assist vehicle of current China is general and irreplaceability is most important.
Accompanying drawing explanation
Fig. 1 is power assist vehicle speed limiting system control strategy schematic diagram of the present invention
Fig. 2 is power assist vehicle speed limiting system Chip Microcomputer A VR interface microcontroller figure of the present invention
Fig. 3 is power assist vehicle speed limiting system liquid crystal display of the present invention, buzzer, motor interface schema
Fig. 4 is the mechanical braking system schematic diagram that power assist vehicle speed limiting system of the present invention is applied to bicycle
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
With reference to Fig. 1-4, a kind of power assist vehicle speed limiting system, it is made up of speed limit control system and mechanical braking system, described mechanical braking system is by braking execution drive motor, drive mechanism and brake perform device and constitute, braking performs the signal control that the work of drive motor is exported by speed limit control system, brake performs device and is generally individually separated a brake control unit by the brake system of original power assist vehicle, described speed limit control system is by Hall element, AVR single chip, LCD display output, buzzer is constituted, spoke at power assist vehicle wheel hub is installed above induced magnet, the cutting magnetic induction line of described Hall element record Magnet is installed corresponding to Magnet radius place above power assist vehicle wheel hub front fork, when power assist vehicle moves ahead in process, the cutting magnetic induction line of the induced magnet cutting Hall element record Magnet on wheel hub, the interval time of recordable each cutting, it is input to AVR single chip after the timing signal collection of Hall element, power assist vehicle road speed can be calculated by the LCD subfunction programmed, the calculation of road speed is: calculated the angular velocity of car wheel movement by T interval time of timing signal, radius and hub radius in conjunction with Hall element to hub centre, the linear velocity of wheel movement can be conversed, the i.e. gait of march of wheel.
AVR single chip adopts ATmega8L, based on 2 consideration: using motor or steering wheel when controlling, and AVR single chip self has pwm signal export, the programming after being convenient to and control (being compared to 51); Considering economy, AVRMega8 single-chip microcomputer is more economical, and the market price, within ten yuan, has very big product advantage for subsequent product exploitation.
AVR single chip can set speed limit speed, AVR single chip judges whether road speed exceedes setting speed limit speed, calculate the road speed of gained by described LCD display output, if liquid crystal adopts road speed not less than setting speed limit speed, power assist vehicle continues normal traveling, if road speed exceedes setting speed limit speed, AVR single chip is signaled to buzzer, buzzer works, output signal to braking simultaneously and perform drive motor, perform braking operation, described braking performs drive motor and generally adopts motor, described motor can be exported signal by the PMW of AVR single chip and directly control, when next wheel diameter advanced by power assist vehicle, AVR single chip continues to judge whether road speed exceedes setting road speed, if still hypervelocity, continue braking, if no longer exceeded the speed limit, buzzer quits work, braking operation weakens.
AVR single chip is for the PMW signal of hypervelocity output, control strategy is in principle, exceed the speed limit more many, it is more big that PMW signal controls braking execution drive motor output moment of torsion, braking effect is more strong, and according to practical experience, braking performs the non-linearly proportional relation of difference of drive motor output moment of torsion and hypervelocity, but exponentially functional relationship, effect is preferably.
The control strategy of power assist vehicle speed limiting system of the present invention and principle can refer to accompanying drawing 1 and describe.
As a case, when this speed limiting system is applied to bicycle 1, described mechanical braking system is by braking execution drive motor, drive mechanism and brake perform device and constitute, the brake of power assist vehicle generally at present adopts wheel shaft brake disc braking brake mode more, and wheel shaft brake disc is drawn by brake cable, therefore drive mechanism can adopt simple tightening sleeve barrel structure can meet requirement in conjunction with wire rope pulley structure, the described sleeve 2 that tightens up is fixed on the output shaft of described braking execution drive motor, steel wire rope one end is fixed on tightens up on sleeve and is tightened up by tightening up sleeve, the other end is fixed in the brake cable branch of wheel shaft brake disc.
Claims (3)
1. a power assist vehicle speed limiting system, it is made up of speed limit control system and mechanical braking system, it is characterized in that, described mechanical braking system is by braking execution drive motor, drive mechanism and brake perform device and constitute, braking performs the signal control that the work of drive motor is exported by speed limit control system, brake performs device and is generally individually separated a brake control unit by the brake system of original power assist vehicle, described speed limit control system is by Hall element, AVR single chip, LCD display output, buzzer is constituted, spoke at power assist vehicle wheel hub is installed above induced magnet, the cutting magnetic induction line of described Hall element record Magnet is installed corresponding to Magnet radius place above power assist vehicle wheel hub front fork, when power assist vehicle moves ahead in process, the cutting magnetic induction line of the induced magnet cutting Hall element record Magnet on wheel hub, the interval time of recordable each cutting, it is input to AVR single chip after the timing signal collection of Hall element, power assist vehicle road speed can be calculated by the LCD subfunction programmed, and judge whether road speed exceedes setting speed limit speed, calculate the road speed of gained by described LCD display output, if road speed is not less than setting speed limit speed, power assist vehicle continues normal traveling, if road speed exceedes setting speed limit speed, AVR single chip is signaled to buzzer, buzzer works, output signal to braking simultaneously and perform drive motor, perform braking operation, described braking performs drive motor and generally adopts motor, described motor can be exported signal by the PMW of AVR single chip and directly control, when next wheel diameter advanced by power assist vehicle, AVR single chip continues to judge whether road speed exceedes setting road speed, if still hypervelocity, continue braking, if no longer exceeded the speed limit, buzzer quits work, braking operation weakens.
2. power assist vehicle speed limiting system as claimed in claim 1, it is characterized in that: AVR single chip is for the PMW signal of hypervelocity output, control strategy is in principle, exceeding the speed limit more many, it is more big that PMW signal controls braking execution drive motor output moment of torsion, and braking effect is more strong, according to practical experience, braking performs the non-linearly proportional relation of difference of drive motor output moment of torsion and hypervelocity, but exponentially functional relationship, effect is preferably.
3. power assist vehicle speed limiting system as claimed in claim 1 or 2, it is characterized in that: described mechanical braking system is by braking execution drive motor, drive mechanism and brake perform device and constitute, the brake of power assist vehicle generally at present adopts wheel shaft brake disc braking brake mode more, and wheel shaft brake disc is drawn by brake cable, therefore drive mechanism can adopt simple tightening sleeve barrel structure can meet requirement in conjunction with wire rope pulley structure, the described sleeve that tightens up is fixed on the output shaft of described braking execution drive motor, steel wire rope one end is fixed on tightens up on sleeve and is tightened up by tightening up sleeve, the other end is fixed in the brake cable branch of wheel shaft brake disc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171430.9A CN105644366A (en) | 2016-03-23 | 2016-03-23 | Speed-limiting system for moped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610171430.9A CN105644366A (en) | 2016-03-23 | 2016-03-23 | Speed-limiting system for moped |
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| CN105644366A true CN105644366A (en) | 2016-06-08 |
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| CN201610171430.9A Pending CN105644366A (en) | 2016-03-23 | 2016-03-23 | Speed-limiting system for moped |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741528A (en) * | 2016-12-09 | 2017-05-31 | 天津杰杰高网络信息技术有限公司 | A kind of intelligent fail-safe bicycle |
| CN108454740A (en) * | 2018-04-25 | 2018-08-28 | 河北工业大学 | A kind of detection control apparatus of shared bicycle |
| CN108545142A (en) * | 2018-04-19 | 2018-09-18 | 苏州盛亿电机有限公司 | A kind of double Halls detection control method for preventing electric bicycle out of control |
| CN111846046A (en) * | 2019-04-03 | 2020-10-30 | 北京嘀嘀无限科技发展有限公司 | System, method and device for detecting safety of bicycle |
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| CN202130318U (en) * | 2011-06-17 | 2012-02-01 | 南京信息工程大学 | Speed measuring device for electric vehicle |
| CN202630964U (en) * | 2012-07-10 | 2012-12-26 | 南京信息工程大学 | Speed odometer based on Hall element |
| CN103786824A (en) * | 2012-10-31 | 2014-05-14 | 重庆卓特科技有限公司 | Electric bicycle mileage and speed measuring display and speed limiting device |
| CN204606020U (en) * | 2015-05-07 | 2015-09-02 | 南京信息工程大学 | A kind of bicycle overspeed system for prompting |
| CN204956121U (en) * | 2015-09-06 | 2016-01-13 | 沈阳大学 | Electric motor car overspeed governor |
| CN105365987A (en) * | 2015-11-19 | 2016-03-02 | 安徽大学 | Bicycle dynamic braking system based on Hall sensor |
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2016
- 2016-03-23 CN CN201610171430.9A patent/CN105644366A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202130318U (en) * | 2011-06-17 | 2012-02-01 | 南京信息工程大学 | Speed measuring device for electric vehicle |
| CN202630964U (en) * | 2012-07-10 | 2012-12-26 | 南京信息工程大学 | Speed odometer based on Hall element |
| CN103786824A (en) * | 2012-10-31 | 2014-05-14 | 重庆卓特科技有限公司 | Electric bicycle mileage and speed measuring display and speed limiting device |
| CN204606020U (en) * | 2015-05-07 | 2015-09-02 | 南京信息工程大学 | A kind of bicycle overspeed system for prompting |
| CN204956121U (en) * | 2015-09-06 | 2016-01-13 | 沈阳大学 | Electric motor car overspeed governor |
| CN105365987A (en) * | 2015-11-19 | 2016-03-02 | 安徽大学 | Bicycle dynamic braking system based on Hall sensor |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741528A (en) * | 2016-12-09 | 2017-05-31 | 天津杰杰高网络信息技术有限公司 | A kind of intelligent fail-safe bicycle |
| CN108545142A (en) * | 2018-04-19 | 2018-09-18 | 苏州盛亿电机有限公司 | A kind of double Halls detection control method for preventing electric bicycle out of control |
| CN108545142B (en) * | 2018-04-19 | 2020-12-18 | 苏州盛亿电机有限公司 | double-Hall detection control method for preventing electric bicycle from being out of control |
| CN108454740A (en) * | 2018-04-25 | 2018-08-28 | 河北工业大学 | A kind of detection control apparatus of shared bicycle |
| CN111846046A (en) * | 2019-04-03 | 2020-10-30 | 北京嘀嘀无限科技发展有限公司 | System, method and device for detecting safety of bicycle |
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Application publication date: 20160608 |