CN103600805B - The dynamic structure of novel assisted electric bicycle - Google Patents
The dynamic structure of novel assisted electric bicycle Download PDFInfo
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- CN103600805B CN103600805B CN201310514927.2A CN201310514927A CN103600805B CN 103600805 B CN103600805 B CN 103600805B CN 201310514927 A CN201310514927 A CN 201310514927A CN 103600805 B CN103600805 B CN 103600805B
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Abstract
The invention provides a kind of dynamic structure of novel assisted electric bicycle, comprise engine installation, battery case and controller; Described engine installation is have the wheel hub motor that two cover intelligence can regulate change-speed box continuously, and be arranged on bicycle rear, motor housing is clutch end, the right side is power transmission dish, the left side is motor electromagnetic structure, and power transmission dish front end is provided with flywheel, has ratchet between flywheel and power transmission dish, left and right limit inside motor housing is respectively equipped with toric transmission A and toric transmission B, and two change-speed boxs are controlled by the controller stepless change respectively; When motor electromagnetic structure drives, motor outer rotor is rotated by change-speed box A drive motor shell, outputting power; When external force drives, flywheel drives change-speed box B drive motor shell to rotate by ratchet, outputting power; When descending, brake deceleration, motor electromagnetic structure is charged as generator storage battery.Advantage is, can regulate road speed continuously, has best energy-saving effect.
Description
Technical field
The present invention relates to a kind of dynamic structure of assisted electric bicycle, be intended to improve the new construction of Electrical Bicycle running efficiency and safety performance and new configuration.
Technical background
The structure of assisted electric bicycle power system and be configured with one and be full of resource, interesting developing history.Battery, motor, controller and inverter, speed change system and multiple instrument, sensor constitutes the main portion of power system.Early stage assisted electric bicycle often adopts the rear wheel hub motors without transmission system, and the placement of battery on vehicle then has various ways: back seat horizontal positioned; Oblique cutting before and after saddle; Place in frame tube, even in addition battery case is made pie, be through on the spoke of front-wheel.Along with the needs that society is growing, except adding front turbin generator and fixing planetary change speed motor, then there is central-shaft motor.The torque of central-shaft motor and manpower are pedaled the torque of stepping on and are acted on chain simultaneously, drive the advance of rear wheel drive vehicle.The position that this central-shaft motor is placed is under pedal, because center of gravity is lower, makes vehicle have good stability.And the battery pack supporting with it, then keep flat rear clothes hanger, the various ways such as oblique cutting and the interior placement of car pipe before and after saddle.
In order to improve the omnidistance efficiency of assisted electric bicycle, increasing the ultimate range of wheeled between every twice charging, also in order to enable pedaling of rider step on frequency and remain on a scope of making us pleasant, having occurred various speed change system.Here, main speed change system speed change as outer in the plug-in type of Shimano, SRM and their secondary, three grades, so that the appearance of the even higher internal speed-changing system of ten one-levels, be all with manpower pedal step on or add central-shaft motor after chain pull moment to synthesize after, completed by limited gear.The continuously adjustabe speed change of the NuVinci of nearest appearance is also as an independently speed change system, serves above-mentioned manpower and pedals and to step on or manpower pedals the needs stepped on and add speed change again after central-shaft motor torque synthesis.
But above-mentioned speed change system all exists many shortcomings, complex structure is bulky, and cost is high.
Summary of the invention
For improving the shortcoming that assisted electric bicycle exists, the invention provides a kind of dynamic structure of novel assisted electric bicycle, comprising engine installation, battery case and controller; Described engine installation is have the wheel hub motor that two cover intelligence can regulate change-speed box continuously, and be arranged on bicycle rear, motor housing is clutch end, the right side is power transmission dish, the left side is motor electromagnetic structure, and power transmission dish front end is provided with flywheel, has ratchet between flywheel and power transmission dish, left and right limit inside motor housing is respectively equipped with toric transmission A and toric transmission B, and two change-speed boxs are controlled by the controller stepless change respectively; When motor electromagnetic structure drives, motor outer rotor is rotated by change-speed box A drive motor shell, outputting power; When external force drives, flywheel drives change-speed box B drive motor shell to rotate by ratchet, outputting power; When descending, brake deceleration, motor electromagnetic structure charges a battery as electrical generator.
Described battery case, is placed on the following of bicycle middle shaft, or and controller be combined into one and be placed on the following of bicycle middle shaft, reduce assisted electric bicycle height of gravitational center.
Described toric transmission A or B, be provided with and multiple there is axis of rotation drive ball, drive ball respectively with input friction wheel, export friction wheel and power transmission dish friction wheel contacts, input friction wheel is fixed on motor outer rotor, exporting friction wheel is fixed on motor housing, power transmission dish friction wheel is fixed on power transmission dish, and power transmission dish is arranged on anchor shaft by bearing.
The described drive ball with the axis of rotation, is arranged on angle demodulator, inputs, exports the diverse location of friction wheel Contact Transmission ball, utilize the linear differential of the position of Contact Transmission ball to realize speed changing function during work.
Described angle demodulator controls by electronic shift unit, electronic shift unit is controlled by the controller its sway, drive angle demodulator to change the angle of the drive ball axis of rotation, make input, the export position of friction wheel Contact Transmission ball changes, thus changes the converter speed ratio of stepless speed changing mechanism.
Described master controller is arranged on the stator of motor electromagnetic structure, is provided with circuit card.Circuit board leads is connected with inside and outside sensor and power supply; Export control signal wire to be connected with the electronic shift unit of A, B toric transmission respectively.
Described circuit card is provided with microprocessor chip, is connected respectively with external sensor and internal sensor, external sensor input speed, torque signal, exports control signal, controls electronic shift unit displacement, reach speed change object; Internal sensor input current of electric, coil temperature signal, export control signal, control inverter outgoing current size, or cut off the electricity supply.
Preceence of the present invention is, two intelligent continuous variable speed change system is merged in motor, make hybrid power system respectively with different can Intelligent adjustment stepless change, thus obtain best energy-saving effect.In addition, the wheel hub motor of change-speed box can be regulated continuously to be placed on bicycle rear plate convergence bar two cover intelligence due to direct, thus ensure that low center of gravity and the stability of assisted electric bicycle.It is following that battery case is placed on vehicle frame axis, instead of in the back of four framves, decrease the possibility of assisted electric bicycle whipping, adds the safety of rider.
Accompanying drawing explanation
Accompanying drawing 1 is electric machine structure cutaway view of the present invention.
Accompanying drawing 2 is motor of the present invention, battery case is positioned over assisted electric bicycle and moves arrangement plan.
Accompanying drawing 3 is a kind of special shape of Fig. 1 motor.
Accompanying drawing 4 is controller principle block scheme.
Accompanying drawing 5 is ratchet and pawl arrangement schematic diagram.
Number in the figure illustrates:
1-electric wire; 2-fixed main shaft; 3-motor outer rotor; 4-controller; 5-motor stator; 6, the control line of 14-controller output; 7-bearing; 8-inputs friction wheel; 9-drive ball; 10-exports friction wheel; 11-angle demodulator; The electronic shift unit of 12-; 13-motor housing; 15-angle demodulator; 16-exports friction wheel; The electronic shift unit of 17-; 18-drive ball; 19-power transmission dish friction wheel; 20-power transmission dish; 21-ratchet; 22-flywheel; 23-wheel hub motor; 24-bicycle frame; 25-battery case; 26-handle.
Detailed description of the invention
Below propose example to be described in detail, example, can't the scope of limit the present invention for protecting only in order to illustrate as example.
Moped Scooter comprises vehicle frame 24, battery 25, handle 26.Master controller is arranged in wheel hub motor, also can be placed on the periphery of battery case.
Motor used in the present invention is take manpower as external impetus, and band two cover can the specific type of electric machine of continuously variable transmission that regulates of autonomous intelligence.Machine operation principle as shown in Figure 1
The present invention includes engine installation, battery case 25 and controller 4; Described engine installation is have the wheel hub motor 23 that two cover intelligence can regulate change-speed box continuously, and be arranged on bicycle rear, motor housing 13 is clutch end, the right side is power transmission dish 20, the left side is motor electromagnetic structure, and power transmission dish 20 front end is provided with flywheel 22, has ratchet 21 between flywheel 22 and power transmission dish 20, left and right limit inside motor housing 13 is respectively equipped with toric transmission A and toric transmission B, and two change-speed boxs respectively controlled device 4 control stepless change; When motor electromagnetic structure drives, motor outer rotor 3 is rotated by change-speed box A drive motor shell 13, outputting power; When external force drives, flywheel 22 drives change-speed box B drive motor shell 13 to rotate by ratchet 21, outputting power; When descending, brake deceleration, motor electromagnetic structure is charged as generator storage battery.
Described battery case 25, is placed on the following of bicycle middle shaft, or and controller group 4 be integrated and be placed on the following of bicycle middle shaft, reduce assisted electric bicycle height of gravitational center.
Described toric transmission A or B, be provided with and multiple there is axis of rotation drive ball 9,18, drive ball 9,18 respectively with input friction wheel 8, export friction wheel 10,16 and power transmission dish friction wheel 19 contacts, input friction wheel 8 is fixed on motor outer rotor 3, exporting friction wheel 10,16 is fixed on motor housing 13, power transmission dish 20 friction wheel 19 is fixed on power transmission dish 20, and power transmission dish 20 is arranged on anchor shaft 2 by bearing.
The described drive ball 9,18 with the axis of rotation, is arranged on angle demodulator 11,15, inputs, exports the diverse location of friction wheel 8,10,16 Contact Transmission ball 9,18, utilize the linear differential of Contact Transmission ball 9,18 position to realize speed changing function during work.
Described angle demodulator 11,15 controls by electronic shift unit 12,17, the controlled device 4 of electronic shift unit 12,17 controls its sway, angle demodulator 115 is driven to change the angle of drive ball 9,18 axis of rotation, make input, export the position of friction wheel Contact Transmission ball and change, thus change the converter speed ratio of stepless speed changing mechanism.
Described controller 4 is arranged on the stator 5 of motor electromagnetic structure, is provided with circuit card.Circuit board leads is connected with inside and outside sensor and power supply, exports control signal wire, is connected respectively with the electronic shift unit of A, B toric transmission.
Described circuit card is provided with microprocessor chip, is connected respectively with external sensor and internal sensor, external sensor input speed, torque signal, exports control signal, controls electronic shift unit displacement, reach speed change object; Internal sensor input current of electric, coil temperature signal, export control signal, control inverter outgoing current size, or cut off the electricity supply.
As shown in Figure 5, when flywheel 22 up time rotates, ratchet 21 shrinks click principle, and power transmission dish 20 cannot be driven to rotate.Flywheel 22 inverse time, when rotating, ratchet 21 opened, and blocks the ratchet structure on dynamic power transmission dish 20, drives it to rotate.
Further describe working process of the present invention below.
(1), when motor electromagnetic structure works as propulsion source, motor input friction wheel 8 is fixed on synchronous rotary on motor outer rotor 3.Motor input friction wheel 8 drives drive ball 9 autobiography, and drive ball 9 drives output friction wheel 10 to rotate, and exports friction wheel 10 and is fixed on Power output shell 13, Power output shell 13 is rotated, completes Power output.Now, although stepless speed changing mechanism B can be driven to rotate, ratchet 21 not transferring power drive plate 20 arrives the power of flywheel 22, so do not increase load for motor electromagnetic structure.
(2) when manpower is inputted by flywheel 22, flywheel 22 drives power transmission dish 20 to rotate by ratchet 21.Power transmission dish friction wheel 19 is fixed on power transmission dish 20, contacts with drive ball 18, makes drive ball 18 autobiography.Drive ball 18 drives output friction wheel 16 to rotate, and exports friction wheel 16 and is fixed on Power output shell 13, Power output shell 13 is rotated, completes Power output.Now, although occur from power output shell 13 to motor electromagnetic structure as reverse drive during (one) situation, this Time Controller controls the power-off of motor electromagnetic structure, makes motor electromagnetic structure can not cause load to manpower.
(3) manpower drives flywheel 22, control motor electromagnetic structure with Time Controller according to situations such as manpower input, road surfaces to make it to provide power as electrical motor, motor electromagnetic structural dynamic and manpower can be made like this to combine, make whole power system form manpower electric power and jointly drive.
(4) when brake, descending etc. need to slow down, intelligent controller can control motor electromagnetic structure as an electrical generator, can accomplish accelerate slowing effect and charge to battery case 25 simultaneously.
As shown in Figure 2, the motor position that the present invention uses is on hind axle, and available manpower, as power, also can use motor and manpower simultaneously, can also charge when slowing down to battery 25.In figure, handle 26 controls by controlling electric current the size that motor electromagnetic mechanism exerts oneself.
As shown in Figure 3, the present invention also can work under the wheel hub motor state with a toric transmission, and like this, structure is simpler, and volume is less, has good energy-saving effect equally.
Claims (8)
1. the dynamic structure of a novel assisted electric bicycle, comprise engine installation, battery case and controller, it is characterized in that, described engine installation is have the wheel hub motor that two cover intelligence can regulate change-speed box continuously, and be arranged on bicycle rear, motor housing is clutch end, the right side is power transmission dish, the left side is motor electromagnetic structure, power transmission dish front end is provided with flywheel, ratchet is had between flywheel and power transmission dish, a left side inside motor housing, the right is respectively equipped with toric transmission A and toric transmission B, two change-speed boxs are controlled by the controller stepless change respectively, when motor electromagnetic structure drives, motor outer rotor is rotated by toric transmission A drive motor shell, outputting power, when external force drives, flywheel drives toric transmission B drive motor shell to rotate by ratchet, outputting power, when descending, brake deceleration, motor electromagnetic structure charges a battery as electrical generator.
2. the dynamic structure of novel assisted electric bicycle according to claim 1, is characterized in that, described battery case is placed on the following of bicycle middle shaft, reduces assisted electric bicycle height of gravitational center.
3. the dynamic structure of novel assisted electric bicycle according to claim 1, is characterized in that, described battery case and controller are combined into one and are placed on the following of bicycle middle shaft, reduces assisted electric bicycle height of gravitational center.
4. by the dynamic structure of novel assisted electric bicycle according to claim 1, it is characterized in that, described toric transmission A or B, be provided with multiple drive ball with the axis of rotation, each drive ball respectively with input friction wheel, exports friction wheel and power transmission dish friction wheel contact, input friction wheel and be fixed on motor outer rotor, output friction wheel is fixed on motor housing, power transmission dish friction wheel is fixed on power transmission dish, and power transmission dish is arranged on anchor shaft by bearing.
5. by the dynamic structure of novel assisted electric bicycle according to claim 3, it is characterized in that, the described drive ball with the axis of rotation, be arranged on angle demodulator, input, export the diverse location of friction wheel Contact Transmission ball during work, utilize the linear differential of the position of Contact Transmission ball to realize speed changing function.
6. by the dynamic structure of novel assisted electric bicycle according to claim 4, it is characterized in that, described angle demodulator controls by electronic shift unit, electronic shift unit is controlled by the controller its sway, angle demodulator is driven to change the angle of the drive ball axis of rotation, make input, export the position of friction wheel Contact Transmission ball and change, thus change the converter speed ratio of stepless speed changing mechanism.
7., by the dynamic structure of novel assisted electric bicycle according to claim 1, it is characterized in that, described controller is arranged on the stator of motor electromagnetic structure, is provided with circuit card, and circuit board leads is connected with inside and outside sensor and power supply; Export control signal wire to be connected with the electronic shift unit of toric transmission A, B respectively.
8. by the dynamic structure of novel assisted electric bicycle according to claim 7, it is characterized in that, described circuit card is provided with microprocessor chip, circuit card is connected with external sensor and internal sensor respectively, external sensor input speed, torque signal, export control signal, control electronic shift unit displacement, reach speed change object; Internal sensor input current of electric, coil temperature signal, export control signal, control inverter outgoing current size, or cut off the electricity supply.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310514927.2A CN103600805B (en) | 2013-10-28 | 2013-10-28 | The dynamic structure of novel assisted electric bicycle |
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| CN201310514927.2A CN103600805B (en) | 2013-10-28 | 2013-10-28 | The dynamic structure of novel assisted electric bicycle |
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| CN103600805A CN103600805A (en) | 2014-02-26 |
| CN103600805B true CN103600805B (en) | 2016-02-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160074765A (en) * | 2014-12-18 | 2016-06-29 | 주식회사 만도 | Hub motor structure |
| CN104527912B (en) * | 2015-01-21 | 2016-09-21 | 朱幕松 | The most surely the multi-functional brushless gearless big hub motor of conjunction is left |
| CN104852553A (en) * | 2015-03-12 | 2015-08-19 | 菅焕金 | Electric automobile, train, and ship employing solar, wind, and inertia energy wheel motors and high-efficiency generator intelligent complementation cycle spontaneous generation |
| CN107458532A (en) * | 2017-06-29 | 2017-12-12 | 东峡大通（北京）管理咨询有限公司 | One kind is ridden equipment and its stepless gear system |
| CN112441183B (en) * | 2020-11-20 | 2022-08-12 | 江苏铱拜科技有限公司 | Stepless speed change device for middle-mounted motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2322879Y (en) * | 1996-01-25 | 1999-06-09 | 杨中孚 | Green power-saving bicycle |
| CN102664490A (en) * | 2012-05-10 | 2012-09-12 | 崔永兴 | Mechanical stepless speed change wheel hub motor |
| CN102869900A (en) * | 2010-03-03 | 2013-01-09 | 福博知识产权有限责任公司 | Infinitely variable transmission, continuously variable transmission, methods, assemblies, subassemblies and components therefor |
| TW201309542A (en) * | 2012-11-14 | 2013-03-01 | Huai-Hui Yao | Assistance and resistance control device |
| EP2417011B1 (en) * | 2009-04-08 | 2013-03-20 | Stephen Britt | Power assisting pedal for a cycle and pedal charging means |
| CN203558185U (en) * | 2013-10-28 | 2014-04-23 | 南通雷圣特种电机有限公司 | Novel power device of assistant electric bicycle |
-
2013
- 2013-10-28 CN CN201310514927.2A patent/CN103600805B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2322879Y (en) * | 1996-01-25 | 1999-06-09 | 杨中孚 | Green power-saving bicycle |
| EP2417011B1 (en) * | 2009-04-08 | 2013-03-20 | Stephen Britt | Power assisting pedal for a cycle and pedal charging means |
| CN102869900A (en) * | 2010-03-03 | 2013-01-09 | 福博知识产权有限责任公司 | Infinitely variable transmission, continuously variable transmission, methods, assemblies, subassemblies and components therefor |
| CN102664490A (en) * | 2012-05-10 | 2012-09-12 | 崔永兴 | Mechanical stepless speed change wheel hub motor |
| TW201309542A (en) * | 2012-11-14 | 2013-03-01 | Huai-Hui Yao | Assistance and resistance control device |
| CN203558185U (en) * | 2013-10-28 | 2014-04-23 | 南通雷圣特种电机有限公司 | Novel power device of assistant electric bicycle |
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