CN2332647Y

CN2332647Y - Electric bicycle electrical control system with automatic return circuit

Info

Publication number: CN2332647Y
Application number: CN98204496U
Authority: CN
Inventors: 翁松池; 萧木松
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-05-08
Filing date: 1998-05-08
Publication date: 1999-08-11
Anticipated expiration: 2008-05-08

Abstract

The utility model relates to an electric bicycle electrical control system with an automatic return circuit; an automatic return circuit is arranged on the output terminal of a microprocessor in an electric control system; the output terminal of the automatic return circuit is connected with the reset terminal of the microprocessor; when the microprocessor is disturbed by external unknown wave and is shut down, the output terminal is in low potential and causes the automatic return circuit to generate a reset signal to reset the microprocessor to automatically recover the operation of the electric control system.

Description

Specification sheets has the Electrical Bicycle electric-control system that automatically replies circuit

The utility model relates to a kind of Electrical Bicycle electric-control system that automatically replies circuit that has, and refers to especially a kind ofly can be disturbed and when being in abnormal working position, produce the action of resetting automatically to reply the control setup of normal operation in electric-control system.

Quick transition along with the epoch; the vehicle have become thing indispensable in common people's daily life; because making rapid progress of industrial level; the vehicle go to the destination to make the modern can take quickly and easily; yet extremely to the greatest extent easily behind; in fact exist worrying secret worry; one exhaustions day by day from natural resource; moreover; traditional energy is for the havoc of natural, ecological, and as " oil " that present most vehicle are relied on for counsel, it is by exploitation; refine use and wait each stage; and even the accident in the transportation; therefore all ecology environment is caused serious destruction, so except planting the energy in the future will exhaustion, based on the importance of environmental protection; all have and seek pressing for of harmless alternative energy, and " electric power " at first is considered.

Though as power, in principle and technically all belong to feasiblely, problem is that the charge storage ability of existing battery can't satisfy the demand that the vehicle length time travels with the electric power instead of gasoline.

Plant in addition again and be excluded from main stream traffic instrument " bicycle " in addition, then meet with another kind of problem, though bicycle does not need traditional power when using, and have no public hazards, but drive because of being dependent on manpower fully, and speed is slower, so common people do not consider to classify them as main vehicle mostly.

Based on the problem that the aforementioned energy and the non-mainstream vehicle faced, so the city of asking of Electrical Bicycle is arranged, because the electric power that bicycle consumes is far below automobile, so for existing storage battery can be loaded, bicycle is once driven by power again, can significantly promote its speed, so for power operation and bicycle, be to complement each other.

And existing Electrical Bicycle is supply and motor running by an electric control system controls electric power, this electric-control system is the control maincenter with the microprocessor, yet because of microprocessor belongs to the higher electronic component of susceptibility, when bicycle passes through not clear magnetic field or suffers extraneous wave interference, promptly be in abnormal working position, this moment, bicycle promptly can't continue to advance, desire is got rid of the phenomenon that is in abnormal working position, promptly must make electric-control system start shooting again, its process is complicated and time-consuming, and will cause user's height inconvenience.

Therefore, the utility model main purpose is to provide a kind of Electrical Bicycle electric-control system that automatically replies circuit that has, mainly be that microprocessor one mouth in electric-control system is provided with one and automatically replies circuit, this automatically replies the replacement end that circuit output end is connected to microprocessor again, when microprocessor is disturbed by extraneous hump frequency and when being in abnormal working position, promptly automatically reply circuit and produce a reset signal to microprocessor it is reset, and electric-control system is resumed operation automatically by this.

The utility model time purpose is to provide a kind of and automatically replies circuit by what two oscillating circuits were formed, so that be in abnormal working position and during non-output signal at microprocessor, trigger two oscillating circuits and produce an impulse singla, with replacement microprocessor recovery regular event.

The purpose of this utility model is realized by following technical scheme.

The technical solution of the utility model is to provide a kind of Electrical Bicycle electric-control system that automatically replies circuit that has, and it mainly is made up of many groups such as a microprocessor, an electric power detecting and power supply unit, motor drive circuit optic coupler, wherein:

This electric power detecting and power supply unit mainly are the field windings that drives a relay with two group transistors, and the contact of this relay is to be connected between power end and the motor drive circuit,

An aforementioned transistor base is to be connected on the mouth of microprocessor in addition, and its emitter-base bandgap grading is connected to the input end of an optic coupler again, and the mouth of this optic coupler then is connected to another input end of microprocessor,

Be provided with one between one mouth of this microprocessor and replacement end and automatically reply circuit,

This automatically replies circuit is that the signal that the reception microprocessor is sent is judged as pulse, when microprocessor is in abnormal working position, promptly produces a signal and makes microprocessor reset and recover normal operation.

The purpose of this utility model can also further realize by following technical measures.

Described have an Electrical Bicycle electric-control system that automatically replies circuit, it is characterized in that: several input pins of this microprocessor are connected with the mouth of each optic coupler respectively, and each optic coupler input end is to be connected with manpower and electric power detector with the brake controller that is connected with bicycle, hypervelocity detector.

Described have an Electrical Bicycle electric-control system that automatically replies circuit, and it is characterized in that: a mouth of this microprocessor is the input end that is connected to an optic coupler, and this optic coupler mouth is to be connected on the motor drive circuit,

The Darlington that this motor drive circuit mainly is made up of two transistor (DALINTON) circuit is formed, wherein transistor is to be connected with motor with emitter-base bandgap grading, be provided with another transistor between another transistorized collection, emitter-base bandgap grading, this transistorized base stage is to be connected on the mouth of aforementioned lights coupler.

Described have an Electrical Bicycle electric-control system that automatically replies circuit, it is characterized in that: this automatically replies circuit and is made up of two oscillating circuits, each oscillating circuit is made up of an oscillator and a transistor respectively, wherein oscillating circuit is to be connected on the output end of microprocessor with transistor base, this transistor collection utmost point is the replacement end that is connected to oscillator, the mouth of this oscillator then is connected on the transistor base of another oscillating circuit, this transistor is connected to the replacement end of oscillator again, and this oscillator output end is the replacement end that is connected to microprocessor.

The utility model mainly is to utilize this to automatically reply circuit to produce a signal automatically with this microprocessor of resetting when microprocessor is in abnormal working position, make it when the phenomenon that is in abnormal working position takes place, can promptly be got rid of spontaneously, and that the running that makes Electrical Bicycle is advanced is more smooth, so this kind automatically replies circuit and really possessed height progressive and practicality.

Further specify specific structural features of the present utility model and purpose below in conjunction with accompanying drawing.

Brief Description Of Drawings:

Fig. 1 is a circuit diagram of the present utility model.

Be the circuit diagram of Electrical Bicycle electric-control system as shown in Figure 1, it includes a microprocessor 10 (INTEL 8751), an electric power detecting and power supply unit 20, a motor drive circuit 30, organize optic coupler 41～45 and more automatically replies circuit 50 etc.; Wherein:

This microprocessor 10 is the control maincenter of electric-control system, its input pin P10, P11, T1 are connected with optic coupler 41～43 mouths respectively, and each optic coupler 41～43 input end is connected with manpower and electric power detector (said units does not all disclose in this figure) with brake controller, the hypervelocity detector of bicycle respectively by joint 40; Wherein exceed the speed limit detector, manpower and electric power detector is the appropriate location that is divided into bicycle rear and stretcher, to detect bicycle running speed and force situation respectively.In driving process, carry out brake and work as the knight, or when overspeed condition occurring, all will message be sent on the microprocessor 10 by optic coupler 41～43, work with control motor drive circuit 30, because aforementioned brake controller, hypervelocity detector and manpower and electric power detector etc. all belong to existing element, its detailed construction appearance is not further given unnecessary details.

A mouth RD of microprocessor 10 is connected to the input end of organizing optic coupler 44 separately again, and these optic coupler 44 mouths then are connected on the motor drive circuit 30.

This electric power detecting and power supply unit 20 mainly are the field windings 230 that drives a relay 23 with two group transistors 21,22,231 of the contacts of this relay 23 are connected between power end and the motor drive circuit 30, utilize the break-make of these relay 23 control contacts 231, whether power to motor drive circuit 30 with decision.

Aforementioned transistor 21 base stages are to be connected on the mouth P12 of microprocessor 10 in addition, its emitter-base bandgap grading is connected to the input end of an optic coupler 45 again, the mouth of this optic coupler 45 then is connected to another input end of microprocessor 10, make when relay 23 under the situation of motor drive circuit 30 energized, transistor 21 makes optic coupler 45 conductings simultaneously, and provides an electric power detecting signal to microprocessor 10.

Darlington (DALINTON) circuit that this motor drive circuit 30 mainly is made up of two

transistor

31,32 is formed, wherein transistor 31 is to be connected with motor 33 with emitter-base bandgap grading, be provided with another transistor 34 between the collection of another transistor 32, emitter-base bandgap grading, the base stage of this transistor 34 is to be connected on optic coupler 44 mouths, when microprocessor 10 by electric power detecting and power supply unit 20 detect overcurrent when being higher than 30A, promptly make motor drive circuit 30 transfer lower-speed state to via optic coupler 44, transistor 34.

This automatically replies circuit 50 is by two groups of oscillating

circuits

51,52 form, each oscillating

circuit

51,52 respectively by an

oscillator

53,54 and one

transistor

55,56 form, wherein oscillating circuit 51 is to be connected on the microprocessor 10 mouth P07 with its transistor 55 base stages, the transistor 55 collection utmost points are the replacement end R that are connected to oscillator 53 again, the mouth Q of this oscillator 53 then is connected on transistor 56 base stages of another oscillating circuit 52, this transistor 56 is connected to the replacement end R of oscillator 54 again, and this oscillator 54 mouth Q then are connected to the replacement end RESET of microprocessor 10.

Integrated circuit chip L2, L1 in above-mentioned two groups of oscillating

circuits

51,52 all adopt time-base integrated circuit sheet LM555.

Can find out particular circuit configurations of the present utility model by above-mentioned explanation, detailed as described below as for its mode of operation:

When power connection, microprocessor 10 will be with

transistor

21,22 conductings on its mouth P13 triggering electric power detecting and the power supply unit 20, and make the field winding 230 of relay 23 excitatory, and connect its contact 231, make motor drive circuit 30 energized and entry into service, this moment, optic coupler 45 will be delivered on the microprocessor 10 and produce a signal because of the conducting of transistor 21, to represent that this electric-control system is just in normal operation.

At the same time, the impulse singla that the mouth P07 of microprocessor 10 will continue to send 1-1/60 second is to automatically replying on the circuit 50, doing pulse for the oscillator 53 on it judges, when cyclery to not clear magnetic field or meet with external wave interference and when making microprocessor 10 be in abnormal working position, the mouth P07 of microprocessor 10 promptly can't normally send impulse singla, so make transistor 55 base stages of first oscillating circuit 51 be active potential, oscillator 53 is promptly sent a signal and is made the replacement end of oscillator 54 generations one impulse singla of second oscillating circuit 52 to microprocessor 10 at this moment, making microprocessor 10 carry out state resets, be in abnormal working position and get rid of this, this electric-control system can recover normal operation then.

For guaranteeing that this automatically replies the working stability of circuit 50, prevent that it from producing misoperation and the microprocessor 10 of resetting arbitrarily, then trigger producing a delay trigger action, to avoid producing misoperation by continuing of two groups of oscillating

circuits

51,52.

Claims

1 one kinds have the Electrical Bicycle electric-control system that automatically replies circuit, and it mainly is made up of many groups such as a microprocessor, an electric power detecting and power supply unit, motor drive circuit optic coupler, it is characterized in that:

2 have an Electrical Bicycle electric-control system that automatically replies circuit according to claim 1 is described, it is characterized in that: several input pins of this microprocessor are connected with the mouth of each optic coupler respectively, and each optic coupler input end is to be connected with manpower and electric power detector with the brake controller that is connected with bicycle, hypervelocity detector.

3 have an Electrical Bicycle electric-control system that automatically replies circuit according to claim 1 is described, and it is characterized in that: a mouth of this microprocessor is the input end that is connected to an optic coupler, and this optic coupler mouth is to be connected on the motor drive circuit,

This motor drive circuit mainly is made up of the Darlington circuit that two transistor is formed, wherein transistor is to be connected with motor with emitter-base bandgap grading, be provided with another transistor between another transistorized collection, emitter-base bandgap grading, this transistorized base stage is to be connected on the mouth of aforementioned lights coupler.

4 have an Electrical Bicycle electric-control system that automatically replies circuit according to claim 1 is described, it is characterized in that: this automatically replies circuit and is made up of two oscillating circuits, each oscillating circuit is made up of an oscillator and a transistor respectively, wherein oscillating circuit is to be connected on the output end of microprocessor with transistor base, this transistor collection utmost point is the replacement end that is connected to oscillator, the mouth of this oscillator then is connected on the transistor base of another oscillating circuit, this transistor is connected to the replacement end of oscillator again, and this oscillator output end is the replacement end that is connected to microprocessor.