CN102868202B - Pedal power-generating car - Google Patents
Pedal power-generating car Download PDFInfo
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- CN102868202B CN102868202B CN201210397132.3A CN201210397132A CN102868202B CN 102868202 B CN102868202 B CN 102868202B CN 201210397132 A CN201210397132 A CN 201210397132A CN 102868202 B CN102868202 B CN 102868202B
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Abstract
The invention relates to a pedal power-generating car and aims to solve the problem that energy loss of prior pedal power-generating cars is large in the aspects of changing resistance and braking. The pedal power-generating car comprises a motion input portion, a direct-current generator and a storage battery, the motion input portion is in a transmission connection with a generator input shaft, the direct-current generator is connected with the storage battery through a charging circuit, the storage battery is connected with a magnet exciting coil of the direct-current generator through a magnet exciting current adjusting circuit, and the magnet exciting current adjusting circuit comprises a voltage adjusting circuit and a discharge resistor. The pedal power-generating car has the advantages that the energy utilization rate is high, the electrodeless adjustment can be achieved, the continuous change of resistance can be achieved, the adaptability and comfort of fitness are greatly improved, the pedal power-generating car has double values of fitness and power generation energy storage recycle, and the market prospect is wide.
Description
Technical field
The present invention relates to a kind of foot-operated generator car for body-building.
Background technology
Foot-operated generator car are a kind of cycling body-building apparatus, adopt drive mechanism and the profile of similar bicycle, and what people can be stayed indoors carries out health-care bicycle training.Foot-operated generator car itself have DC generator and storage battery, the motion importation of foot-operated generator car is in transmission connection DC generator power shaft, DC generator exports as charge in batteries, the stored energy that sporter can be provided in storage battery to carry out throwing light on, the secondary such as sound equipment utilizes.
Some foot-operated generator car existing also change function with resistance, and set different gears, the resistance that different gears is corresponding different as by the mode adding friction leather sheath mode and increase resistance, people can select the gear of oneself strength applicable when training.In addition, the mode of external resistance generating device can also be adopted to regulate resistance.
Above-mentioned two kinds of modes, the heat energy that can be converted into friction that a part of sporter provides by the friction leather sheath for changing resistance, has consumed in vain.Resistance generating device, if electric torque generator is by storage battery power supply, itself also can energy-producingly consume, and the generating efficiency of generator car is reduced greatly, but also can increase cost.In addition, foot-operated generator car adopt friction catch, equally by the kinetic energy consumption of wheel in frictional heat, can not be utilized by generator well.
Summary of the invention
The object of this invention is to provide a kind of foot-operated generator car for body-building, changing in order to solve existing foot-operated generator car the problem that in resistance and braking, energy loss is large.
For achieving the above object, the solution of the present invention is: a kind of foot-operated generator car, comprise motion importation, DC generator and storage battery, motion importation and generator power shaft are in transmission connection, DC generator connects storage battery by charging circuit, described storage battery connects the magnet exciting coil of described DC generator by an exciting current adjustment circuit, and described exciting current adjustment circuit comprises regulating circuit and discharge resistance (R).
Described regulating circuit is Boost circuit, and Boost circuit exports and connects described discharge resistance; Foot-operated generator car also comprise control circuit, and control circuit controls the boosted switch pipe (VT22) in described Boost circuit by PWM mode.
Described charging circuit is Buck reduction voltage circuit, and described control circuit controls the step-down switching pipe (VT11) in described Buck reduction voltage circuit by PWM mode.
Being provided with a charging fling-cut switch pipe (VT1) for switching charging circuit in described charging circuit, being provided with one in described exciting current adjustment circuit for controlling the excitation regulation fling-cut switch pipe (VT2) of this connecting and disconnecting of the circuit.
Described control circuit comprises CPU, CPU is that described boosted switch pipe (VT22) and step-down switching pipe (VT11) provide trigger impulse by driving and level shifting circuit, and CPU connects described charging fling-cut switch pipe (VT1) and excitation regulation fling-cut switch pipe (VT2) by driving and buffer circuit; CPU input connects DC generator charging voltage signal, DC generator output current signal, battery tension signal, battery charging current signal, battery discharging current signal, Boost circuit output voltage signal, exciting current signal; CPU connects the simulation grade signal for setting resistance of outside input by input equipment.
The motion importation of described foot-operated generator car comprises pedal (6), and pedal (6) is in transmission connection with the power shaft of DC generator by two-stage chain drive system and freewheel clutch (5).
Foot-operated generator car of the present invention, change electromagnetic torque to regulate the resistance of bicycle by the mode changing DC generator excitation, and do not have energy dissipation and the consumption of friction and other equipment, capacity usage ratio improves greatly.And this regulative mode can not only provide fixing gear, can also realize electrodeless adjustment, make resistance realize consecutive variations, adaptability and the comfortableness of body-building improve greatly.The present invention has the dual value of body-building and electrification energy storage recycling, wide market.
Accompanying drawing explanation
Fig. 1 is use schematic diagram of the present invention;
Fig. 2 is foot-operated generator car mechanical driving part structure chart;
Fig. 3 is foot-operated generator car electric part block diagram;
Fig. 4 is foot-operated generator car electric part schematic diagram;
Fig. 5 is foot-operated generator car control circuit input/output signal block diagram.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Be illustrated in figure 1 body-building foot pedal generator car of the present invention, comprise motion importation, DC generator and storage battery, motion importation and generator power shaft are in transmission connection, and DC generator connects storage battery by charging circuit.
As Fig. 3, primary object of the present invention is, storage battery connects the magnet exciting coil of DC generator by an exciting current adjustment circuit, exciting current adjustment circuit comprises regulating circuit and discharge resistance R, its effect is: change DC generator excitation by regulating circuit, thus changes electromagnetic torque to regulate the resistance of bicycle.Regulating circuit can adopt various ways, the invention provides a kind of Boost circuit as regulating circuit, and as shown in Figure 4, Boost circuit exports and connects discharge resistance and magnet exciting coil Boost circuit.Foot-operated generator car also comprise control circuit, and control circuit controls the boosted switch pipe VT22 in Boost circuit by PWM mode.By controlling the turn-on and turn-off of Boost circuit breaker in middle pipe, thus the exciting current of control inputs direct current machine, control its induced electromotive force produced and electromagnetic torque, under motor same rotational speed, exciting current increases, air-gap flux becomes large, electromagnetic torque increases, and according to the rotating speed equilibrium equation of direct current machine, its brake torque also increases, force sporter to increase to exert oneself, produce the effect of going up a slope; Otherwise make exciting current reduce, sporter can reduce to exert oneself, produce the effect of descending.Boost circuit voltage regulation result is good, harmonic content is few, it is reliable and stable to control.In addition, braked by excitation regulation, can conserve energy further.
Further, in order to Optimal performance, as shown in Figure 4, Figure 5, charging circuit is Buck reduction voltage circuit for complete electric part circuit and control circuit, and control circuit is by the step-down switching pipe VT11 in PWM mode control Buck reduction voltage circuit.Adopt Buck charging circuit, charging control effects is good, is beneficial to the life of storage battery and improves.Being provided with a charging fling-cut switch pipe VT1 for switching charging circuit in charging circuit, being provided with one in exciting current adjustment circuit for controlling the excitation regulation fling-cut switch pipe VT2 of this connecting and disconnecting of the circuit.Control circuit comprises CPU, and CPU is by drive and level shifting circuit provides trigger impulse for boosted switch pipe VT22 and step-down switching pipe VT11, and CPU is by drive and buffer circuit connects charging fling-cut switch pipe VT1 and excitation regulation fling-cut switch pipe VT2; CPU input connects DC generator charging voltage signal Udc1, DC generator output current signal I1, battery tension signal Udc2, battery charging current signal I2, Boost circuit output voltage signal Udc3, battery discharging current signal I3, exciting current signal I4; CPU connects the simulation grade signal for setting resistance of outside input by input equipment, as the first grade signal, the second grade signal, the 3rd grade signal, the 4th grade signal in Fig. 5, fourth gear resistance can be provided, sporter is made to experience the change of resistance between fourth gear, when the gear little by resistance is adjusted to resistance larger gear, sporter has climbing sensation, otherwise, then descending sensation is had.As other execution modes, simulation grade signal also can adopt the mode regulating input continuously, such as, produce continuous input signal with potentiometer, and CPU controls pwm pulse and makes exciting current consecutive variations, produces the resistance gradually changed.In the present embodiment, DSP adopts dsp chip TMS320F28027.
If Fig. 1,2 is a kind of foot-operated generator car, its motion importation comprises pedal 6, and pedal 6 is in transmission connection with the power shaft of generator 1 by two-stage chain drive system and freewheel clutch 5.Two-stage chain drive system comprises one-level driving wheel 2, secondary driving wheel 3, secondary driven pulley 4, one-level chain 11, secondary chain 12, one-level driven pulley 13.Foot-operated generator car also comprise electric cabinet 7, handle 8, control panel 9, cable 10, seat 14 etc.Foot-operated generator car are driven by manpower, manpower effect pedal 6, drive firsts and seconds transmission mechanism to rotate, drive electrical generators generating after speedup.The electricity sent, by being encapsulated in the charging circuit in electric cabinet, under the control of DSP control circuit, is stored in storage battery.When people's stop motion, during pedal stall, due to the effect of freewheel clutch, one-level driving wheel 2 still continues motion, and self inertia energy is all flowed to storage battery, ensures that making full use of of energy also avoids apply the brakes drag devices, reduces cost.
In the present embodiment, pedal body building vehicle generator 1 is direct current machine, rated voltage 48V, rated speed 480r/min, power output 750W, rated current 21A, class of insulation F, degree of protection IP33; Adopt it to encourage mode, its exciting current is introduced from storage battery side, is controlled by DSP.
The radius of driving wheel is 226.5mm, steamboat half warp of driven pulley is 93.6mm, bull wheel radius is 226.5mm, the radius of driven pulley 4 is 93.6mm, the radius ratio of driving wheel and driven pulley is 2.4:1, the radius ratio of large driven pulley and little driven pulley is 2.4:1, finally, driving wheel and DC generator rotating ratio are 1:5.76, can find out that lower bicycle can drive rotating speed to rise to the rated speed of conventional DC generator by two-stage drive system, avoid and use special low-speed generator, reduce cost; Can make full use of the mechanical structure feature of bicycle self simultaneously, generator is placed in back seat, more compact structure, institute takes up space less, is applicable to family and uses.When the motion rotating speed of person taking exercise reaches 48 to 83 circle per minute, generator just can reach rated speed 280r/min-480r/min.
The above is implementation example of the present invention, is not limited to the present invention, all carry out within the scope of structural principle of the present invention amendment, equivalent replacement, improvement etc., be all included in protection category of the present invention.
Claims (3)
1. foot-operated generator car, comprise motion importation, DC generator and storage battery, motion importation and generator power shaft are in transmission connection, DC generator connects storage battery by charging circuit, it is characterized in that, described storage battery connects the magnet exciting coil of described DC generator by an exciting current adjustment circuit, and described exciting current adjustment circuit comprises regulating circuit and discharge resistance (R); Change DC generator excitation by regulating circuit, thus change electromagnetic torque to regulate the resistance of bicycle; Adopt it to encourage mode, exciting current is introduced from storage battery side;
Described regulating circuit is Boost circuit, and Boost circuit exports and connects described discharge resistance; Foot-operated generator car also comprise control circuit, and control circuit controls the boosted switch pipe (VT22) in described Boost circuit by PWM mode;
Described charging circuit is Buck reduction voltage circuit, and described control circuit controls the step-down switching pipe (VT11) in described Buck reduction voltage circuit by PWM mode;
Being provided with a charging fling-cut switch pipe (VT1) for switching charging circuit in described charging circuit, being provided with one in described exciting current adjustment circuit for controlling the excitation regulation fling-cut switch pipe (VT2) of this connecting and disconnecting of the circuit.
2. one according to claim 1 rides generator car, it is characterized in that, described control circuit comprises CPU, CPU is that described boosted switch pipe (VT22) and step-down switching pipe (VT11) provide trigger impulse by driving and level shifting circuit, and CPU connects described charging fling-cut switch pipe (VT1) and excitation regulation fling-cut switch pipe (VT2) by driving and buffer circuit; CPU input connects DC generator charging voltage signal, DC generator output current signal, battery tension signal, battery charging current signal, battery discharging current signal, Boost circuit output voltage signal, exciting current signal; CPU connects the simulation grade signal for setting resistance of outside input by input equipment.
3. one according to claim 1 rides generator car, it is characterized in that, the motion importation of described foot-operated generator car comprises pedal (6), and pedal (6) is in transmission connection with the power shaft of DC generator by two-stage chain drive system and freewheel clutch (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210397132.3A CN102868202B (en) | 2012-10-18 | 2012-10-18 | Pedal power-generating car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210397132.3A CN102868202B (en) | 2012-10-18 | 2012-10-18 | Pedal power-generating car |
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| Publication Number | Publication Date |
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| CN102868202A CN102868202A (en) | 2013-01-09 |
| CN102868202B true CN102868202B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210397132.3A Active CN102868202B (en) | 2012-10-18 | 2012-10-18 | Pedal power-generating car |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281626B (en) * | 2014-06-19 | 2017-11-21 | 固也泰电子工业有限公司 | The excitation servicing unit and excitation accessory power supply control method of generator |
| CN104980072A (en) * | 2015-06-24 | 2015-10-14 | 株洲南车时代电气股份有限公司 | Diesel auxiliary generator excitation system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185619Y (en) * | 1993-12-25 | 1994-12-21 | 彭飞 | Body building apparatus with energy storage device |
| US7646178B1 (en) * | 2009-05-08 | 2010-01-12 | Fradella Richard B | Broad-speed-range generator |
| CN102624223A (en) * | 2012-04-06 | 2012-08-01 | 阳光电源股份有限公司 | Drive power circuit and driving method of low-energy-consumption relay |
| CN202663174U (en) * | 2012-10-18 | 2013-01-09 | 寇薇 | Pedaled power generation car |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1317820C (en) * | 2005-06-15 | 2007-05-23 | 南京航空航天大学 | Integrated generator controller for high-voltage DC. generating system |
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2012
- 2012-10-18 CN CN201210397132.3A patent/CN102868202B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2185619Y (en) * | 1993-12-25 | 1994-12-21 | 彭飞 | Body building apparatus with energy storage device |
| US7646178B1 (en) * | 2009-05-08 | 2010-01-12 | Fradella Richard B | Broad-speed-range generator |
| CN102624223A (en) * | 2012-04-06 | 2012-08-01 | 阳光电源股份有限公司 | Drive power circuit and driving method of low-energy-consumption relay |
| CN202663174U (en) * | 2012-10-18 | 2013-01-09 | 寇薇 | Pedaled power generation car |
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| CN102868202A (en) | 2013-01-09 |
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Inventor after: Kou Wei Inventor after: Deng Qiao Inventor after: Cheng Hang Inventor after: Jiang Jiaqi Inventor before: Kou Wei Inventor before: Deng Qiao Inventor before: Cheng Hang |
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