CN2862129Y - Power-driven bicycle DC motor controller with automatic breaking device - Google Patents

Abstract

The utility model discloses an electric bicycle DC electric machine controller with automatic power off device. A battery unit (1) is respectively connected to an automatic power off controller (2) and electric machine (6); the automatic power off controller is connected to a power stabilizer (3); a CPU processing unit (4) is respectively connected to the power stabilizer, the automatic power off controller, a MOS driver (5) and a speed regulating controller (11); a current controller (7) is respectively connected to the electric machine (6), the MOS driver and a current sampler (8); and a signal amplifier (9) is respectively connected to the current sampler, MOS driver and CPU processing unit. The automatic power off controller can automatically power off the power supply in the situation of no ridding for a long time after starting the power supply or forgetting powering off the controller power supply after riding during using the bicycle, so as to save electric energy and prevent reduction of service life due to overdischarge of the battery unit.

Description

The electric bicycle DC motor controller that has auto-power-off device

(1) technical field: the utility model relates to DC machine control device; Be specifically related to a kind of electric bicycle DC motor controller that has auto-power-off device.

(2) background technology: electric bicycle of the prior art, after the user opens, do not ride for a long time, or ride when forgetting the closing controller power supply after finishing, then controller is in the state that consumes the electric bicycle electric energy all the time.Though present most of speed setting controller power consumption is in 50mA, but if be in this kind state all the time, can only keep at most and battery electric quantity then take place about 10 days, both waste electric energy, cause electric battery to cross to put again and cause reduce its serviceable life because of electric weight by the phenomenon of putting excessively.

(3) summary of the invention: the purpose of this utility model is to provide a kind of electric bicycle DC motor controller that has auto-power-off device, is intended to both save the electric energy of electric bicycle, prolongs the serviceable life of its electric battery again.

For achieving the above object, the technical solution of the utility model is to realize like this, this electric bicycle DC motor controller that has auto-power-off device, mainly comprise the motor, electric battery and the speed setting controller that are connected with on the electric bicycle, its improvement is: the positive pole of described electric battery is connected in the input end of automatic closedown controller and the positive pole of motor respectively; The output terminal of described automatic closedown controller links to each other with the input end of power regulator; The power input of the output terminal of described power regulator and CPU processing unit joins; The output terminal of described speed setting controller links to each other with the signal input part of CPU processing unit; The input end of the signal output part of described CPU processing unit and MOS driver joins; Described MOS output end of driver links to each other with the input end of current controller; The output terminal of described current controller and the input end of current sampler join; The output terminal of described current sampler links to each other with the input end of signal amplifier; The output terminal of described signal amplifier joins with the input end of MOS driver and the input end of CPU processing unit respectively; Motor links to each other with current controller.

The utility model is taked above-mentioned syndeton, control by the automatic closedown controller that is provided with, guaranteed that effectively the user is in the process of using electric bicycle, forget after finishing because of not riding for a long time after opening or riding that the closing controller power supply can realize automatic outage, not only saved electric energy but also prevented to cause reduce its serviceable life because of battery electric quantity produces to put.

(4) description of drawings: Fig. 1 is a circuit block diagram of the present utility model;

Fig. 2 is the circuit theory diagrams of Fig. 1.

(5) embodiment: Fig. 1-shown in Figure 2: this electric bicycle DC motor controller that has auto-power-off device comprises the motor 6, electric battery 1 and the speed setting controller 11 that are connected with on the electric bicycle; The positive pole of described electric battery 1 is connected in the input end of automatic closedown controller 2 and the positive pole of motor 6 respectively; The output terminal of described automatic closedown controller 2 links to each other with the input end of power regulator 3; The power input of the output terminal of described power regulator 3 and CPU processing unit 4 joins; The output terminal of described speed setting controller 11 links to each other with the signal input part of CPU processing unit 4; The input end of the signal output part of described CPU processing unit 4 and MOS driver 5 joins; The output terminal of described MOS driver 5 links to each other with the input end of current controller 7; The input end of the output terminal of described current controller 7 and current sampler 8 joins; The output terminal of described current sampler 8 links to each other with the input end of signal amplifier 9; The output terminal of described signal amplifier 9 joins with the input end of MOS driver 5 and the input end of CPU processing unit 4 respectively; Motor 6 links to each other with current controller 7.Described automatic closedown controller 2, its circuit are to be linked to each other with the emitter of triode 13 by the resistance 12 that is connected in electric battery 1 positive pole, and the input end of its collector and power regulator 3 joins, and its base stage links to each other with an end of resistance 14; The other end of described resistance 14 is connected in the positive pole of electric capacity 15 and the collector of triode 16 respectively; The base stage of described triode 16 links to each other with an end of resistance 17; The other end of described resistance 17 and CPU processing unit 4 join; The emitter of the negative pole of described electric capacity 15 and triode 16 is connected in the negative pole of electric battery 1.(Fig. 1 when normal condition is used, shown in Figure 2), electric battery 1 provides power supply by automatic closedown controller 2 for power regulator 3, power supply is through power regulator 3 step-downs, it after the voltage stabilizing power supply of CPU processing unit 4 and other electric elements, speed setting controller 11 provides speed-regulating signal for CPU processing unit 4, the PWM speed-regulating signal that the CPU processing unit 4 of this moment is set according to speed regulator 11 exports MOS driver 5 to, and through MOS driver 5 this signal is amplified and to be delivered to current controller 7, make 6 work of current controller 7 drive motor, the electric current of motor 6 is through current sampler 8 sampling and convert the input end of voltage signal input signal amplifier 9 to, feeds back to CPU processing unit 4 and MOS driver 5 respectively after by signal amplifier 9 this voltage signal being amplified.Do not ride for a long time or ride and forget after finishing when closing its controller power source when the user opens electric bicycle, CPU processing unit 4 is in surpassing 15 minutes as stand-by time of setting of manufacturer and setting when not detecting the user in time of outage automatically the electric bicycle of startup or speed regulating control signal being arranged again, CPU processing unit 4 just sends automatic power-off signal to automatic closedown controller 2, and automatically realize the power supply of closing the electric bicycle system by it, having reached not only energy-conservation but also having prevented that battery electric quantity from putting because of long-time mistake influences its serviceable life.

The above only is a preferred implementation of the present utility model.Be noted that for the person of ordinary skill of the art; under the prerequisite that does not break away from the principle of the invention; need not other technical characterictic that the process creative work just can be associated; also can make some modification and improvement; these variations obviously all should be considered as equivalent feature, all belong within the protection domain of the utility model patent.

Claims (2)

1, a kind of electric bicycle DC motor controller that has auto-power-off device mainly comprises motor (6), electric battery (1) and speed setting controller (11); It is characterized in that: the positive pole of described electric battery (1) is connected in the input end of automatic closedown controller (2) and the positive pole of motor (6) respectively; The input end of the output terminal of described automatic closedown controller (2) and power regulator (3) joins; The output terminal of described power regulator (3) links to each other with the power input of CPU processing unit (4); The signal input part of the output terminal of described speed setting controller (11) and CPU processing unit (4) joins; The signal output part of described CPU processing unit (4) links to each other with the input end of MOS driver (5); The input end of the output terminal of described MOS driver (5) and current controller (7) joins; The output terminal of described current controller (7) links to each other with the input end of current sampler (8); The output terminal of described current sampler (8) links to each other with the input end of signal amplifier (9); The output terminal of described signal amplifier (9) joins with the input end of MOS driver (5) and the input end of CPU processing unit (4) respectively; Motor (6) links to each other with current controller (7).

2, the electric bicycle DC motor controller that has auto-power-off device according to claim 1, it is characterized in that: described automatic closedown controller (2), its circuit is to link to each other with the emitter of triode (13) by being connected in the anodal resistance (12) of electric battery (1), the input end of its collector and power regulator (3) joins, and its base stage links to each other with an end of resistance (14); The other end of described resistance (14) is connected in the positive pole of electric capacity (15) and the collector of triode (16) respectively; One end of the base stage of described triode (16) and resistance (17) joins; The other end of described resistance (17) links to each other with CPU processing unit (4); The emitter of the negative pole of described electric capacity (15) and triode (16) is connected in the negative pole of electric battery (1).

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