CN202663174U - Pedaled power generation car - Google Patents
Pedaled power generation car Download PDFInfo
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- CN202663174U CN202663174U CN 201220534336 CN201220534336U CN202663174U CN 202663174 U CN202663174 U CN 202663174U CN 201220534336 CN201220534336 CN 201220534336 CN 201220534336 U CN201220534336 U CN 201220534336U CN 202663174 U CN202663174 U CN 202663174U
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Abstract
The utility model relates to a pedaled power generation car, which is used for solving the problem of high energy loss in the aspects of resistance changing and braking of the conventional pedaled power generation car. The pedaled power generation car provided by the utility model comprises a motion input part, a direct current generator and a storage battery, wherein the motion input part is in transmission connection with an input shaft of the generator, the direct current generator is connected with the storage battery through a charging circuit, and the storage battery is connected with a magnet exciting coil of the direct current motor through a magnet exciting regulation circuit which comprises a voltage regulation circuit and a discharging resistor. The pedaled power generation car provided by the utility model has a high energy utilization rate and can realize step-less adjustment to change resistance continuously, so that the adaptability and the comfortableness of body building are improved greatly. The pedaled power generation car provided by the utility model has dual values in body building as well as power generation and energy storage and recycle, thus having wide market prospect.
Description
Technical field
The utility model 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 the health-care bicycle that carries out that people can be stayed indoors is trained.Foot-operated generator car itself have DC generator and storage battery, the motion importation of the foot-operated generator car DC generator power shaft that is in transmission connection, DC generator is output as charge in batteries, the stored energy that the sporter can be provided in storage battery with throw light on, the secondary utilization such as sound equipment.
Existing some foot-operated generator car also change function with resistance, set different gears such as the mode that increases resistance by adding friction leather sheath mode, the resistance that different gears is corresponding different, and people can select to be fit to the gear of own strength when training.In addition, can also adopt the mode of external resistance generating device to regulate resistance.
Above-mentioned dual mode, the friction leather sheath that is used for changing resistance has consumed the heat energy that can be converted into friction that a part of sporter provides in vain.Resistance generating device, by storage battery power supply, itself also can energy-producingly consume such as electric torque generator, the generating efficiency of generator car is reduced greatly, but also can increase cost.In addition, foot-operated generator car adopt friction catch, equally with the kinetic energy consumption of wheel on frictional heat, can not be utilized by generator well.
The utility model content
The purpose of this utility model provides a kind of foot-operated generator car for body-building, in order to solve existing foot-operated generator car in the large problem of energy loss aspect change resistance and the braking.
For achieving the above object, scheme of the present utility model 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 regulating circuit, and described exciting current regulating circuit comprises regulating circuit and discharge resistance (R).
Described regulating circuit is the Boost booster circuit, and the output of Boost booster circuit connects described discharge resistance; Foot-operated generator car also comprise control circuit, and control circuit is controlled boosted switch pipe (VT22) in the described Boost booster circuit by the PWM mode.
Described charging circuit is the Buck reduction voltage circuit, and described control circuit is controlled step-down switching pipe (VT11) in the described Buck reduction voltage circuit by the PWM mode.
Be provided with a charging fling-cut switch pipe (VT1) that is used for the switching charging circuit in the described charging circuit, be provided with an excitation regulation fling-cut switch pipe (VT2) that is used for this connecting and disconnecting of the circuit of control in the described exciting current regulating 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; The CPU input connects DC generator charging voltage signal, DC generator output current signal, battery tension signal, charge in batteries current signal, battery discharging current signal, Boost booster circuit output voltage signal, exciting current signal; CPU connects the simulation gradient signal that is used 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 by the power shaft of two-stage chain drive system and freewheel clutch (5) and DC generator.
Foot-operated generator car of the present utility model change electromagnetic torque to regulate the resistance of bicycle by the mode that changes the DC generator excitation, do not have energy dissipation and the consumption of friction and other equipment, and capacity usage ratio improves greatly.And this regulative mode not only can provide fixing gear, can also realize electrodeless adjusting, makes resistance realize changing continuously, and adaptability and the comfortableness of body-building improve greatly.The utlity model has the dual value of body-building and electrification energy storage recycling, market prospects are wide.
Description of drawings
Fig. 1 is use schematic diagram of the present utility model;
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
The utility model is described in more detail below in conjunction with accompanying drawing.
Be illustrated in figure 1 as body-building foot pedal generator car of the present utility model, 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.
Such as Fig. 3, main utility model point of the present utility model is, storage battery connects the magnet exciting coil of DC generator by an exciting current regulating circuit, the exciting current regulating circuit comprises regulating circuit and discharge resistance R, its effect is: change the DC generator excitation by regulating circuit, thereby change electromagnetic torque to regulate the resistance of bicycle.Regulating circuit can adopt various ways, and the utility model provides a kind of Boost booster circuit as regulating circuit, the Boost booster circuit as shown in Figure 4, Boost booster circuit output connects discharge resistance and magnet exciting coil.Foot-operated generator car also comprise control circuit, and control circuit is controlled boosted switch pipe VT22 in the Boost booster circuit by the PWM mode.Turn-on and turn-off by switching tube in the control Boost booster circuit, thereby the exciting current of control inputs direct current machine, control induced electromotive force and the electromagnetic torque of its generation, under the motor same rotational speed, exciting current increases, it is large that air-gap flux becomes, electromagnetic torque increases, and according to the rotating speed equilibrium equation of direct current machine, its brake torque also increases, force the sporter to increase and exert oneself, produce the effect of going up a slope; Otherwise, exciting current is reduced, the sporter can reduce to exert oneself, and produces the effect of descending.Boost circuit voltage regulation result is good, harmonic content is few, control is reliable and stable.In addition, brake by excitation regulation, further conserve energy.
Further, for Optimal performance, complete electric part circuit and control circuit such as Fig. 4, shown in Figure 5, charging circuit are the Buck reduction voltage circuit, and control circuit is controlled step-down switching pipe VT11 in the Buck reduction voltage circuit by the PWM mode.Adopt the Buck charging circuit, charging control is effective, is beneficial to the life of storage battery and improves.Be provided with a charging fling-cut switch pipe VT1 who is used for the switching charging circuit in the charging circuit, be provided with an excitation regulation fling-cut switch pipe VT2 who is used for this connecting and disconnecting of the circuit of control in the exciting current regulating circuit.Control circuit comprises CPU, and CPU is by driving and level shifting circuit provides trigger impulse for boosted switch pipe VT22 and step-down switching pipe VT11, and CPU is by driving and buffer circuit connects charging fling-cut switch pipe VT1 and excitation regulation fling-cut switch pipe VT2; The CPU input connects DC generator charging voltage signal Udc1, DC generator output current signal I1, battery tension signal Udc2, charge in batteries current signal I2, Boost booster circuit output voltage signal Udc3, battery discharging current signal I3, exciting current signal I4; CPU connects the simulation gradient signal that is used for setting resistance of outside input by input equipment, such as the first gradient signal X1, the second gradient signal X2, the 3rd gradient signal X3, the 4th gradient signal X4 among Fig. 5, the fourth gear resistance can be provided, make the sporter experience the variation of resistance between fourth gear, the sporter has the climbing sensation when being transferred to the larger gear of resistance by the little gear of resistance, otherwise, then have the descending sensation.As other execution modes, simulation gradient signal also can adopt the mode of continuous adjusting input, for example produces continuous input signal with potentiometer, and CPU control pwm pulse changes exciting current continuously, produces the resistance that gradually changes.DSP adopts dsp chip TMS320F28027 in the present embodiment.
Be a kind of foot-operated generator car such as Fig. 1,2, its motion importation comprises pedal 6, and pedal 6 is in transmission connection by two-stage chain drive system and freewheel clutch 5 power shaft with generator 1.The 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, and manpower effect pedal 6 drives the firsts and seconds transmission mechanism and rotates, and drives the generator generating after the speedup.The electricity that sends, is stored in the storage battery under the control of DSP control circuit by being encapsulated in the charging circuit in the electric cabinet.When people's stop motion, during the pedal stall, because the effect of freewheel clutch, one-level driving wheel 2 still continues motion, and the self inertia energy is all flowed to storage battery, and taking full advantage of of energy of assurance also avoided the apply the brakes drag devices, reduced 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 the storage battery side, is controlled by DSP.
The radius of driving wheel is 226.5mm, the steamboat of driven pulley half warp is 93.6mm, the 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, at last, driving wheel and DC generator rotating ratio are 1:5.76, can find out that the two-stage drive system can drive the rated speed that rotating speed rises to the conventional DC generator with lower bicycle, avoided using special low-speed generator, reduced cost; Can take full advantage of simultaneously the mechanical structure characteristics of bicycle self, generator is placed back seat, more compact structure, institute takes up space less, is fit to family and uses.When person taking exercise's motion rotating speed reached per minute 48 to 83 circle, generator just can reach rated speed 280r/min-480r/min.
The above is implementation example of the present utility model, is not limited to the utility model, all modifications of carrying out in structural principle scope of the present utility model, is equal to replacement, improvement etc., all is included in protection category of the present utility model.
Claims (6)
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 regulating circuit, and described exciting current regulating circuit comprises regulating circuit and discharge resistance (R).
2. foot-operated generator car according to claim 1 is characterized in that, described regulating circuit is the Boost booster circuit, and the output of Boost booster circuit connects described discharge resistance; Foot-operated generator car also comprise control circuit, and control circuit is controlled boosted switch pipe (VT22) in the described Boost booster circuit by the PWM mode.
3. foot-operated generator car according to claim 2 is characterized in that, described charging circuit is the Buck reduction voltage circuit, and described control circuit is controlled step-down switching pipe (VT11) in the described Buck reduction voltage circuit by the PWM mode.
4. foot-operated generator car according to claim 3, it is characterized in that, be provided with a charging fling-cut switch pipe (VT1) that is used for the switching charging circuit in the described charging circuit, be provided with an excitation regulation fling-cut switch pipe (VT2) that is used for this connecting and disconnecting of the circuit of control in the described exciting current regulating circuit.
5. foot-operated generator car according to claim 4, 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; The CPU input connects DC generator charging voltage signal, DC generator output current signal, battery tension signal, charge in batteries current signal, battery discharging current signal, Boost booster circuit output voltage signal, exciting current signal; CPU connects the simulation gradient signal that is used for setting resistance of outside input by input equipment.
6. foot-operated generator car according to claim 1, it is characterized in that, the motion importation of described foot-operated generator car comprises pedal (6), and pedal (6) is in transmission connection by the power shaft of two-stage chain drive system and freewheel clutch (5) and DC generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534336 CN202663174U (en) | 2012-10-18 | 2012-10-18 | Pedaled power generation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534336 CN202663174U (en) | 2012-10-18 | 2012-10-18 | Pedaled power generation car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202663174U true CN202663174U (en) | 2013-01-09 |
Family
ID=47458053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220534336 Expired - Fee Related CN202663174U (en) | 2012-10-18 | 2012-10-18 | Pedaled power generation car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202663174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868202A (en) * | 2012-10-18 | 2013-01-09 | 寇薇 | Pedal power-generating car |
-
2012
- 2012-10-18 CN CN 201220534336 patent/CN202663174U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102868202A (en) * | 2012-10-18 | 2013-01-09 | 寇薇 | Pedal power-generating car |
| CN102868202B (en) * | 2012-10-18 | 2015-05-20 | 寇薇 | Pedal power-generating car |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20151018 |
|
| EXPY | Termination of patent right or utility model |