DE202005006684U1 - Electric drive mechanism for a vehicle like an electrically driven bicycle has a user's operating device for working a vehicle and an auxiliary motor influenced by a control device - Google Patents

Electric drive mechanism for a vehicle like an electrically driven bicycle has a user's operating device for working a vehicle and an auxiliary motor influenced by a control device

Info

Publication number
DE202005006684U1
DE202005006684U1 DE200520006684 DE202005006684U DE202005006684U1 DE 202005006684 U1 DE202005006684 U1 DE 202005006684U1 DE 200520006684 DE200520006684 DE 200520006684 DE 202005006684 U DE202005006684 U DE 202005006684U DE 202005006684 U1 DE202005006684 U1 DE 202005006684U1
Authority
DE
Germany
Prior art keywords
vehicle
user
speed
characterized
vehicle according
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.)
Expired - Lifetime
Application number
DE200520006684
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACCEL-HERCULES FAHRRAD GMBH & CO. KG, DE
Original Assignee
Sun & Cycle Innovative Fa GmbH
Sun & Cycle Innovative Fahrzeugsysteme GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sun & Cycle Innovative Fa GmbH, Sun & Cycle Innovative Fahrzeugsysteme GmbH filed Critical Sun & Cycle Innovative Fa GmbH
Priority to DE200520006684 priority Critical patent/DE202005006684U1/en
Publication of DE202005006684U1 publication Critical patent/DE202005006684U1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility
    • Y02T10/7258Optimisation of vehicle performance
    • Y02T10/7275Desired performance achievement

Abstract

A vehicle having an actuator (4) for driving the vehicle by a user and an auxiliary motor (11), further comprising control means (7) for influencing the auxiliary motor (11)
- The auxiliary motor (11) drives the vehicle from a standstill or from a relatively low speed by the auxiliary motor up to a predetermined limit speed, even without drive by the user,
- The auxiliary motor (11) supports the drive of the vehicle by the user, starting from the limit speed, as long as a predetermined maximum speed is not exceeded.

Description

  • The The invention relates to an electric vehicle produced by movements of his Driver or passenger is driven, the movement through supports an electric motor becomes.
  • Such vehicles are known as "pedelecs" or as "bicycles with pedaling assistance". So revealed the US 5,662,187 and the US 4,541,500 each such vehicle.
  • at the bicycles known there is disadvantageous that these by postman in the delivery company only reluctantly used.
  • It Therefore, the task is to provide an electric vehicle, which avoids the disadvantages mentioned above.
  • These The object is solved by the subject matter of the independent claim. Advantageous developments result from the dependent claims.
  • According to one The basic idea of the invention is the known regulation of these electric vehicles so changed, that these starting from a standing or from a relatively low Speed alone by the electric motor to a predetermined Limit speed can be accelerated. Starting from the limit speed can then additional Driving energy through pedals or other mechanical units in be initiated the powertrain of the vehicle, as of the Operation of the so-called pedelec is known. If no extra Energy is introduced, then drives the vehicle continues to travel at border speed. Of course you can in the start-up phase of the vehicle according to the invention, the acceleration of the vehicle by the electric motor also in addition to a movement of the For example, drivers are supported by pedaling, resulting in a even faster acceleration results. The inventive training of the electric vehicle ensures that this is gladly used by postmen. Even older people come with such an electric vehicle cope better than with the in the State of the art known electric vehicles.
  • frontier and top speed are programmed into the controller in such a way that these are provided by a user not in a simple way - like for example, by a switch or a potentiometer - by changed the driver can be.
  • The The invention also includes a method for operating an electric vehicle as well as a controller for such an electric vehicle. This is attributed to that just in the first moments of accelerating an electric vehicle, especially an electric bicycle, with his legs around a Take care of stabilization of the vehicle can, as long as you do not have to step. In the so-called pedelec At least one leg is needed or even both legs to get the vehicle from a standstill to a speed To accelerate, starting from the moments of the rotating wheels for a stabilization to care. Especially in this speed range, namely when the electric motor Alone used for acceleration, in the invention dedicated the attention of the driver undivided to his vehicle become. In a special development, the wheels of the Vehicle designed so that these just when reaching the Grenzge speed for additional Stabilization by a gyro effect, as he from the Research into the driving dynamics of a two-wheeler is known.
  • The Invention is based on the realization that the dissatisfaction the user of the bicycles known from the prior art two causes. Heavy loaded pedelecs like those of postmen are straight unstable when starting, which can lead to shaky situations. A sole traction help up to a limit speed, at the a certain driving stability given, fixes this problem. After that, the postman can through pedal assistance drive as fast as he wishes.
  • In Yet another embodiment of the invention is provided, that support is shut off by the electric motor when a certain maximum speed is reached. On the basis of this further education two are particularly suitable Variants on. First, an extra excess generated by the driver Drive power can be used to drive the vehicle to even higher speeds to accelerate. Deviating from it can also - for example by a Selector switch or an inclinometer operated - the excess energy to charge the battery can be used. This can also be fixed, not changeable by the user, be specified in the controller. Straight through a selector switch Thus, the driver of the vehicle has a choice, for example Downhill operation when the vehicle exceeds a certain speed, thereby generated by the electric motor in the generator mode To inject energy into the battery, which improves its durability. When the driver is driving on a straight line at a higher speed would like to, then he switches off generator mode with the selector switch, so the whole additional Energy generated by it is translated into the speed of the vehicle becomes.
  • This Aspect leaves for Use fitness purposes well, so it is conceivable, the electric motor operate in a fitness position in which the driver generates Energy above reaching the limit speed in loading power for the electric motor is converted in the generator motor. Then it would be conceivable that the driver in limited space such as on small islands all his energy over can feed the generator into the battery. After the end of the training the driver can then use the energy stored in the battery back again drive home, in a way as a reward.
  • The The invention is described below with reference to the accompanying drawings described.
  • 1 shows a schematic representation of an electric bicycle according to the invention and
  • 2 shows a time-speed diagram of the electric bicycle 1 operational.
  • 1 shows a schematic representation of an electric bicycle according to the invention 1 , The electric bicycle 1 has parts of a conventional bicycle, for example those in the US 5,662,187 and in the US 4,541,500 shown parts and components. Here is just a handlebar 2 with a throttle grip 3 , a pedaling device 4 and a gear 5 a rear wheel, not shown here visible. The pedaling device 4 and the gear 5 are about a chain 6 connected with each other. In operation, a driver, not shown, actuates the pedaling device 4 and drives over the chain 6 the gear 5 and thus the rear wheel of the electric bicycle 1 at. With the handlebar 2 the direction of travel of the bicycle is determined.
  • According to the invention, the electric bicycle 1 with an electronic control 7 fitted. The control 7 can through the throttle grip 3 be operated with the controller 7 via a control cable 8th communicates. The throttle grip 3 can be designed as a potentiometer. Furthermore, an actuation sensor 9 in the field of pedaling 4 intended. This actuation sensor 9 can be a Hall sensor or coil / magnetic sensor, with which one on the frame of the electric bicycle 1 passing stroking crank of the treadmill 4 is detected. The actuation sensor 9 is via another control cable 10 with the controller 7 connected.
  • It is still an electric drive motor 11 provided by a drive cable 12 with the controller 7 communicates. A drive wheel 13 of the drive motor 11 stands over a toothed belt 14 with one on the gear 5 attached toothed belt pulley 15 so in connection that the drive power of the drive motor 11 on the gear 5 and thus can be impressed on the rear wheel.
  • Finally, there is an electric battery 16 provided, which is designed as an accumulator. The battery 16 stands over a battery cable 17 with the controller 7 in connection.
  • The achieved driving speed is measured by means not shown here and the controller 7 fed.
  • In operation, the electric bicycle 1 essentially moved by the fact that the driver pedaling movements of the treadmill 4 performs and thus the rear wheel of the electric bicycle 1 drives.
  • In addition, the driver can by turning the throttle grip 3 the control 7 So influence that electrical energy from the battery 16 to the drive motor 11 forwards. This will cause the drive wheel 13 of the drive motor 11 driven and drive energy is transmitted through the timing belt 14 and the timing belt pulley 15 to the gear 5 forwarded, which contributes to an additional drive of the rear wheel.
  • The various operating states of the invention will now be described with reference to FIG 2 explained.
  • In a first operating state I it is assumed that the driver of the electric bicycle 1 the treadmill 4 not operated, but rather the electric bicycle 1 solely due to the operation on the throttle grip in motion. How to get in 2 clearly sees, the speed of the electric bicycle decreases 1 within 5 seconds from 0 km / h to 6 km / h. In this time, the controller performs 7 the drive motor 11 electrical energy too. If the limit speed of 6 km / h is reached (point 17 ), keeps the control 7 the on the drive motor 11 supplied energy at such a level that the instantaneous speed of the electric bicycle 1 remains equal to the limit speed of 6 km / h. In this state, the controller takes over 7 the function of a speed control (cruise control).
  • If the user of the electric bicycle 1 the throttle grip 3 turning back to its original position, then the speed of the electric bicycle decreases 1 usually if he does not start kicking at the same time. This condition is not shown here.
  • In operating mode II it is assumed that the user of the electric bicycle 1 starting from rest the bike not only by turning the throttle but also by pedaling conditions at the treadmill 4 accelerated. Accordingly, the limit speed of 6 km / h is also reached faster than in operating state I. When the limit speed of 6 km / h (point 18 ) switches the controller 7 to another program, according to which the driver's support by the electric motor 11 is progressively reduced with increasing vehicle speed. When reaching a speed of 20 km / h, there is a balance between the travel resistance of the electric bicycle 1 and the running through the electric motor 11 and through the pedal device in the electric bicycle 1 supplied energy (point 19 ). The electric bicycle 1 stops the speed of 20 km / h. At time t = 15 seconds, the driver of the electric bicycle hears 1 to perform pedaling movements (point 20 ). The control 7 detects this via the actuation sensor 9 and interrupts the supply of additional energy to the electric motor 11 , Optionally, the electric motor 11 be electrically switched to a freewheeling state, if this is not guaranteed mechanically anyway.
  • As you can see in the further course of the speed curve to the operating state II, the speed of the electric bicycle is reduced 1 up to the limit speed of 6 km / h. The driver, who may still have turned the throttle grip, does not step into the treadmill anymore 4 and thereby causes the controller 7 to switch back to the above-described cruise control state in which this is the electric bicycle 1 stops at the limit speed of 6 km / h. Finally, the throttle grip 3 turned back, then reduces the speed of the electric bicycle 1 until it stops.
  • In operating condition III, we have to do with a continuous kicking driver, the electric bicycle 1 by kicking and turning the throttle grip 3 accelerated to a final speed of 25 km / h (point 21 ), wherein the bicycle is supplied with increasing speed less drive power, as in the state 2 is described in more detail. If the driver accelerates further by pedaling and over a speed of 25 km / h, then the control switches 7 in a final speed state in which the supply of energy to the electric motor 11 completely interrupted. The driver adjusts to this and then occurs, ie at the time t = 15 seconds, just so fast that the controller 7 the electric motor 11 so energized that maximum support of his pedaling by the electric motor 11 is reached.
  • In operating state IV, finally, it is assumed that a violent kicking driver, the bike within 5 seconds by turning the throttle grip 3 and accelerated by pedaling further. From a speed of 6 km / h (point 22 ) the assistance with energy is progressively reduced until reaching the top speed of 25 km / h (point 23 ) the control 7 the energy supply to the electric motor 11 completely off. The driver must from this time t = 5 seconds, the travel resistance of the electric bicycle 1 overcome by pedaling alone. He succeeds here until reaching a top speed of 30 km / h.
  • Limit and maximum speed are so in the controller ( 7 ) programmed so that they can not be changed by a user in a simple manner - such as by a switch or a potentiometer - by the driver. This facilitates the legal registration of the vehicle.
  • The invention can also be used with an internal combustion engine instead of the electric motor ( 11 ) are implemented. In addition, instead of the bicycle, a three-wheel rickshaw be used, it is advantageous that the acceleration is greatly facilitated, especially in the lower speed range. The same applies to a pedal car designed according to the invention.
  • In an embodiment not shown here the support is provided by the electric motor so that the support does not take place so that for a service provided by the user, an additional amount depending thereon Power of the electric motor is provided. Rather, the controller can then provide the entire propulsion power of the electric vehicle, if only a pedaling movement is performed on the treadmill.
  • For one Viewer then sees such a vehicle as if it were from the user is driven, although the drive power is almost Completely or even completely is provided by the electric motor. The rest of the behavior regarding speed limit and top speed but remains the same, d. H. without pedaling the vehicle drives only 6 km / h.
  • The above speeds are only examples. So can the limit speed also be 3 km / h or 5 km / h and the maximum speed can be 40 km / h or even different.

Claims (8)

  1. Vehicle with an actuating device ( 4 ) for driving the vehicle by a user and with an auxiliary engine ( 11 ), further comprising a control device ( 7 ) is provided, which the auxiliary engine ( 11 ) so influenced that - the auxiliary engine ( 11 ) drives the vehicle from a standing position or from a relatively low speed through the auxiliary engine up to a predetermined limit speed, even without drive by the user, - the auxiliary motor ( 11 ) Supports the drive of the vehicle by the user from the limit speed, as long as a predetermined maximum speed is not exceeded.
  2. Vehicle according to claim 1, characterized in that the auxiliary engine as an electric motor ( 11 ) is trained.
  3. Vehicle according to claim 1 or claim 2, characterized in that the vehicle is used as a bicycle ( 1 ) is trained.
  4. Vehicle according to one of the preceding claims, characterized in that the control device is actuated by the user, in particular via a throttle grip ( 3 ) and / or via a state switch.
  5. Vehicle according to one of the preceding claims, characterized in that the actuating device ( 4 ) as a pedal chain drive unit ( 4 . 5 . 6 ) is trained.
  6. Vehicle according to one of the preceding claims, characterized in that the actuating device ( 4 ) as a pedal chain drive unit ( 4 . 5 . 6 ) is trained.
  7. Vehicle according to one of the preceding claims, characterized in that in the region of the actuating device ( 4 ) with the control device ( 7 ) associated actuation sensor ( 9 ) is provided.
  8. Vehicle according to one of the preceding claims, characterized in that the limit and maximum speed in the control ( 7 ) are provided that they can not be easily changed manually by the user and in particular can not be changed manually while driving.
DE200520006684 2005-04-25 2005-04-25 Electric drive mechanism for a vehicle like an electrically driven bicycle has a user's operating device for working a vehicle and an auxiliary motor influenced by a control device Expired - Lifetime DE202005006684U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200520006684 DE202005006684U1 (en) 2005-04-25 2005-04-25 Electric drive mechanism for a vehicle like an electrically driven bicycle has a user's operating device for working a vehicle and an auxiliary motor influenced by a control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200520006684 DE202005006684U1 (en) 2005-04-25 2005-04-25 Electric drive mechanism for a vehicle like an electrically driven bicycle has a user's operating device for working a vehicle and an auxiliary motor influenced by a control device

Publications (1)

Publication Number Publication Date
DE202005006684U1 true DE202005006684U1 (en) 2005-08-25

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Country Status (1)

Country Link
DE (1) DE202005006684U1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023291A1 (en) 2008-05-13 2009-11-19 Clean Mobile Ag Electrical light vehicle i.e. bicycle, has secondary switches for parallel switching of secondary coils with accumulators, respectively where secondary switches are switchable independent of each other
DE102010016009A1 (en) 2010-03-18 2011-09-22 Clean Mobile Ag Vehicle, vehicle license plate and method for operating a vehicle
DE102012107195A1 (en) 2012-08-06 2014-05-15 Alfred Ottowitz Controller for motor-assisted vehicle e.g. bicycle, moves motor initially in standby mode prior to deactivation of cruise control function, so that motor support parameters are continuously reduced
DE202008018445U1 (en) 2008-05-13 2014-06-11 Tq-Systems Gmbh Electric light vehicle with electrical power unit
DE102016209570B3 (en) * 2016-06-01 2017-08-24 Robert Bosch Gmbh Control method and control unit for adjusting a speed of the pushing aid of an electric bicycle
DE102016209560B3 (en) * 2016-06-01 2017-09-28 Robert Bosch Gmbh Control method and control unit for controlling the electric motor for the pushing aid of an electric bicycle
DE102010016009B4 (en) 2010-03-18 2020-01-16 Tq-Systems Gmbh Vehicle, assembly and method for operating a vehicle

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008023291A1 (en) 2008-05-13 2009-11-19 Clean Mobile Ag Electrical light vehicle i.e. bicycle, has secondary switches for parallel switching of secondary coils with accumulators, respectively where secondary switches are switchable independent of each other
DE202008018445U1 (en) 2008-05-13 2014-06-11 Tq-Systems Gmbh Electric light vehicle with electrical power unit
DE102010016009A1 (en) 2010-03-18 2011-09-22 Clean Mobile Ag Vehicle, vehicle license plate and method for operating a vehicle
WO2011114316A2 (en) 2010-03-18 2011-09-22 Clean Mobile Ag Vehicle, vehicle registration plate and method for operating a vehicle
EP2949566A1 (en) 2010-03-18 2015-12-02 TQ-Systems GmbH Vehicle, vehicle registration plate and method for operating a vehicle
EP3231699A1 (en) 2010-03-18 2017-10-18 TQ-Systems GmbH Vehicle, vehicle registration plate and method for operating a vehicle
DE102010016009B4 (en) 2010-03-18 2020-01-16 Tq-Systems Gmbh Vehicle, assembly and method for operating a vehicle
DE102012107195A1 (en) 2012-08-06 2014-05-15 Alfred Ottowitz Controller for motor-assisted vehicle e.g. bicycle, moves motor initially in standby mode prior to deactivation of cruise control function, so that motor support parameters are continuously reduced
DE102016209570B3 (en) * 2016-06-01 2017-08-24 Robert Bosch Gmbh Control method and control unit for adjusting a speed of the pushing aid of an electric bicycle
DE102016209560B3 (en) * 2016-06-01 2017-09-28 Robert Bosch Gmbh Control method and control unit for controlling the electric motor for the pushing aid of an electric bicycle
EP3251935A1 (en) 2016-06-01 2017-12-06 Robert Bosch GmbH Control method and control device for adapting a speed of pushing aid of an electric bicycle
EP3251936A1 (en) 2016-06-01 2017-12-06 Robert Bosch GmbH Control method and device for regulating the electric motor for the pushing aid of an electric bicycle

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20050929

R163 Identified publications notified

Effective date: 20051205

R081 Change of applicant/patentee

Owner name: ACCEL-HERCULES FAHRRAD GMBH & CO. KG, DE

Free format text: FORMER OWNER: SUN & CYCLE GMBH INNOVATIVE FAHRZEUGSYSTEME, 82054 SAUERLACH, DE

Effective date: 20060714

R156 Lapse of ip right after 3 years

Effective date: 20081101