CN2721493Y

CN2721493Y - Safety system of motorcycle

Info

Publication number: CN2721493Y
Application number: CN 200420067453
Authority: CN
Inventors: 钟述全
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-06-21
Filing date: 2004-06-21
Publication date: 2005-08-31
Anticipated expiration: 2014-06-21

Abstract

The utility model provides a safety system of motorcycle, which comprises a microprocessor power source, a cryptography control circuit, a microprocessor, an alarm unit, an ignition control circuit, a battery B, a motorcycle power generation rectifier unit and a switch K. The safety system of motorcycle is characterized in comprising a signal acquisition circuit, an ignition power supply control circuit, a pre-ignition delay control circuit and a microprocessor power supply control circuit. The utility model has the advantages of height reliability, easy use, stability and simple structure, and can reliably operate in the condition of battery failure.

Description

The motorcycle anti-theft system

Technical field

The utility model belongs to the anti-theft device for motor vehicles technical field, is specifically related to a kind of motorcycle anti-theft system.

Background technology

Now, motor bike is universal day by day, and the thievery of motor bike often takes place, for improving the safety in utilization of motor bike, prevent that motor bike is stolen, people generally take to install additional to motor bike the method for anti-theft system, at present, on the motor bike the anti-theft system that generally adopts mainly be and car load anti-theft system independently, this anti-theft system is generally by RCU, receiving element, many parts such as annunciator main computer unit and siren horn unit are formed, and adopt powered battery that the power supply of anti-theft system is provided, make anti-theft system work, this anti-theft system has following defective: (1) theftproof performance is poor: anti-theft system and motor bike are relatively independent, are unfavorable for antitheft; (2) use inconvenience:, make troubles to user's use because anti-theft system and Finished Motorcycle of motorcycle are relatively independent; (3) complex structure, manufacture difficulty is big, the productive costs height, penetration and promotion is unfavorable; (4) anti-theft system can not be worked under the situation that motorcycle battery lost efficacy.

The purpose of invention

The purpose of this utility model is to provide a kind of functional reliability height, motorcycle anti-theft system easy to use, stable, simple in structure, energy reliable operation under the situation of battery failure.

The content of invention

The purpose of this utility model is achieved in that a kind of motorcycle anti-theft system, be made up of microprocessor power supply power supply, cipher control circuit, microprocessor, alarm unit, ignition control circuit, battery B, motor bike generating rectification unit, K switch, feature is: this motorcycle anti-theft system has also comprised signal acquisition circuit, priming supply control circuit, prefiring delay control circuit and power supply control circuit for microprocessor.Wherein, the microprocessor power supply power supply is connected with the power input of microprocessor by power supply control circuit for microprocessor, the mouth of microprocessor is connected with the priming supply control circuit by the microprocessor control end, the acquisition of signal mouth of signal acquisition circuit connects the output of K switch and the output of vehicle speed signal respectively, the signal input end of the output termination power supply control circuit for microprocessor of signal acquisition circuit, the priming supply control circuit is connected between the output and ignition control circuit of K switch, the igniting charging signals mouth of ignition control circuit is connected with the igniting charging signals input end of prefiring delay control circuit, and the mouth of prefiring time delay circuit connects the power input of ignition control circuit.When the utility model uses, directly power by motor bike generating rectification unit and battery B to power supply control circuit for microprocessor, when K switch disconnects, the priming supply control circuit can not be powered to ignition control circuit because of not switching on, ignition control circuit is not worked, motor bike can not ignition trigger, at this moment, if the acquisition of signal mouth of signal acquisition circuit has detected the vehicle speed signal input, output signal to the power supply control circuit for microprocessor signal input end, is made power supply control circuit for microprocessor work, provide power supply to microprocessor, make microprocessor work, and report to the police by alarm unit; After the K switch closure, the priming supply control circuit gets electric work, signal acquisition circuit collects on-off signal, make power supply control circuit for microprocessor work by signal input end, provide power supply to microprocessor, make microprocessor and cipher control circuit work, at cipher control circuit to cryptographic core to after correct, provide control signal to microprocessor, make microprocessor not to the alarm unit power supply, alarm unit is not worked, simultaneously, microprocessor makes the work of priming supply control circuit by the microprocessor control end, to the ignition control circuit power supply, makes its energy normal operation, allow motorcycle ignition start, to mistake, then microprocessor is powered to alarm unit as the cipher control circuit cryptographic core, makes alarm unit work, simultaneously, make the not outwards power supply of priming supply control circuit, ignition control circuit is not worked, and motor bike can not ignition trigger.When battery B can not work, open K switch, adopt foot-operated moving motorcycle initiating device, motor bike generating rectification unit is powered to motor bike, and the charging of the igniting by ignition control circuit input port is converted to the igniting charging signals with the generate electricity igniting charging output of rectification unit of motor bike, be sent to the prefiring delay control circuit by igniting charging signals control end, the work of prefiring delay control circuit, to ignition control circuit power supply and time-delay, motor cycle engine can be moved the short time, it is right to make microprocessor can work and carry out cryptographic core the short time, make the work of priming supply control circuit in cryptographic core to after correct, give the ignition control circuit normal operation, as cryptographic core to failure, then make alarm unit work, send warning, and cut off to give the power supply of ignition control circuit, the prefiring time delay circuit also cuts off power supply to ignition control circuit in time-delay a period of time, motor cycle engine is quit work, thereby reach the purpose of this utility model.

The description of the drawings

Accompanying drawing 1 the utility model schematic block circuit diagram.

Accompanying drawing 2 the utility model schematic circuit diagram.

Embodiment

Below in conjunction with accompanying drawing the utility model is further detailed.

As shown in Figures 1 and 2, the utility model is by by the microprocessor power supply power supply, cipher control circuit, microprocessor, alarm unit, ignition control circuit, battery B, motor bike generating rectification unit, K switch is formed, feature is: it also comprises the signal acquisition circuit of being made up of diode D1 and resistance R 4, by voltage comparator ic 1, resistance R 1, R2, R5, R6, R7, R8, positive-negative-positive aerotron Q1, NPN type aerotron Q2, the power supply control circuit for microprocessor that zener diode D2 forms, by resistance R 9, positive-negative-positive aerotron Q3, the priming supply control circuit that diode D3 forms, by R10, R11, R12, D4, NPN type aerotron Q4, the prefiring time delay circuit that capacitor C 3 is formed constitutes, wherein, the positive pole of D1 is connected with the vehicle speed signal input port, negative pole is connected with signal input end, resistance R 4 is connected between K switch output and the D1 negative pole, the emitter of Q1 is connected in the output of microprocessor power supply power supply, R1 is connected between the base stage and emitter of Q1, the collecting electrode of Q1 connects the power supply input of microprocessor, R2 is connected between the collecting electrode of the base stage of Q1 and Q2, the base stage of Q2 is connected by the delivery port of R6 and IC1, the inverting input of IC1 connects by R5, the bleeder circuit that R8 forms, the in-phase input end of IC1 connects signal input end, the end of R7 is connected with the in-phase input end of IC1 with the point of connection of D2 positive pole, the negative pole of D2 is connected back ground connection with the other end of R7, R9 is connected between the emitter of the output of K switch and Q3, the base stage of Q3 connects the microprocessor control end, the grounded collector of Q3, the positive pole of D3 is connected with the emitter of Q3, the negative contacts fire control system circuit of D3, R10 is connected between the collecting electrode of the output of K switch and Q4, R11 is connected between the positive pole of the collecting electrode of Q4 and D4, the negative contacts fire control system circuit of D4, capacitor C 3 is connected between the base stage and emitter of Q4, the grounded emitter of Q4, R12 is connected between the base stage of igniting charging signals control end and Q4.When the utility model uses, disconnect as K switch, then impassabitity resistance R 9 and diode D3 give the igniting IC 5 power supplies, IC5 does not work, motor cycle engine misfires, at this moment, if being arranged, vehicle speed signal passes through diode D1 input, the in-phase input end current potential that makes voltage comparator ic 1 is increased to the current potential that surpasses the bleeder circuit of forming by resistance R 5 and R8, make IC1 output high level signal, and make the base potential of NPN type aerotron Q2 increase the Q2 conducting by resistance R 6, by resistance R 1, R2 reduces the base potential of positive-negative-positive aerotron Q1, the Q1 conducting will be by capacitor C 1, the power supply of C2 and integrated regulated power supply IC2 filtering voltage regulation outputs to the feeder ear of microprocessor IC3 and cipher control circuit IC4, makes microprocessor IC3 and cipher control circuit IC4 work,, then do not report to the police to correctly as cryptographic core; To failure, then the base potential of NPN type aerotron Q5 is increased as cryptographic core by the alerting signal control end, the Q5 conducting, news Chinese percussion instrument BU powers alarm; After the K switch closure, by resistance R 4 the in-phase input end current potential of IC1 is increased, and make the in-phase input end current potential of IC1 be no more than rated value by resistance R 7 and zener diode D2, after the in-phase input end current potential of IC1 surpasses its inverting input current potential, the Q2 conducting also makes the Q1 conducting, microprocessor IC3 and cipher control circuit IC4 get electric work, at cipher control circuit IC4 to cryptographic core to after correct, microprocessor IC3 output high level is to the base stage of positive-negative-positive aerotron Q3, Q3 is ended, the trigger electrode of ignition control signal to controllable silicon SCR 1 also exported in IC5 energising work, will be stored in electric energy on the C6 by D5 and discharge over the ground by SCR1 and make high-tension coil produce output high pressure, motor cycle engine normal ignition, simultaneously, the output low level signal ends Q5 to the base stage of Q5, and BU does not report to the police; When battery B can not work and when adopting foot-operated starter gear, motor bike is by power coil L1 and the diode D6 power supply of magneto generator M, and by igniting charge coil L2 and and D5 charge to C6, and give capacitor C 3 chargings by R12, because the energy storage effect of electric capacity, make the base potential of NPN type aerotron Q4 lower, Q4 ends, by resistance R 10, R11 and diode D4 provide power supply to IC5, make IC5 work, motor cycle engine can ignition trigger, and it is right that the IC4 of microprocessor IC3 and cipher control circuit can work and carry out cryptographic core the short time, as cryptographic core to correctly, then end by microprocessor IC3 control Q5, BU does not report to the police, and simultaneously, IC3 output high level signal is to the base stage of Q3, Q3 is ended, continue to provide for the power supply of IC5 by resistance R 9 and diode D3, make IC5 continue electric work, motor cycle engine keeps continuous working; Reach when making Q4 conducting and cryptographic core through the charging of certain hour at the current potential of C3 mistake, IC3 will make Q5 conducting, BU report to the police, and the Q3 base stage obtains low level signal and conducting, make IC5 not obtain power supply and quit work, motor bike can not be worked, thereby reaches the purpose of this utility model.

Claims

1, a kind of motorcycle anti-theft system, by the microprocessor power supply power supply, cipher control circuit, microprocessor, alarm unit, ignition control circuit, battery B, motor bike generating rectification unit, K switch is formed, feature is: this motorcycle anti-theft system has also comprised signal acquisition circuit, the priming supply control circuit, prefiring delay control circuit and power supply control circuit for microprocessor, wherein, the microprocessor power supply power supply is connected with the power input of microprocessor by power supply control circuit for microprocessor, the mouth of microprocessor is connected with the priming supply control circuit by the microprocessor control end, the acquisition of signal mouth of signal acquisition circuit connects the output of K switch and the output of vehicle speed signal respectively, the signal input end of the output termination power supply control circuit for microprocessor of signal acquisition circuit, the priming supply control circuit is connected between the output and ignition control circuit of K switch, the igniting charging signals mouth of ignition control circuit is connected with the igniting charging signals input end of prefiring delay control circuit, and the mouth of prefiring time delay circuit connects the power input of ignition control circuit.

2, by the described motorcycle anti-theft of claim 1 system, feature is: signal acquisition circuit by anodally be connected with the vehicle speed signal input port, negative pole and signal input end bonded assembly diode D1 and the resistance R 4 that is connected K switch output and D1 negative pole form; Power supply control circuit for microprocessor is by voltage comparator ic 1, resistance R 1, R2, R5, R6, R7, R8, positive-negative-positive aerotron Q1, NPN type aerotron Q2, zener diode D2 forms, wherein, the emitter of Q1 is connected in the output of microprocessor power supply power supply, R1 is connected between the base stage and emitter of Q1, the collecting electrode of Q1 connects the power supply input of microprocessor, R2 is connected between the collecting electrode of the base stage of Q1 and Q2, the base stage of Q2 is connected by the delivery port of R6 and IC1, the inverting input of IC1 connects by R5, the bleeder circuit that R8 forms, the in-phase input end of IC1 connects signal input end, the end of R7 is connected with the in-phase input end of IC1 with the point of connection of D2 positive pole, and the negative pole of D2 is connected back ground connection with the other end of R7; The priming supply control circuit is made up of resistance R 9, positive-negative-positive aerotron Q3, diode D3, wherein, R9 is connected between the emitter of the output of K switch and Q3, the base stage of Q3 connects the microprocessor control end, the grounded collector of Q3, the positive pole of D3 is connected with the emitter of Q3, the negative contacts fire control system circuit of D3; The prefiring time delay circuit is made up of resistance R 10, R11, R12, D4, NPN type aerotron Q4, capacitor C 3, wherein, R10 is connected between the collecting electrode of the output of K switch and Q4, R11 is connected between the positive pole of the collecting electrode of Q4 and D4, the negative contacts fire control system circuit of D4, capacitor C 3 is connected between the base stage and emitter of Q4, the grounded emitter of Q4, and R12 is connected between the base stage of igniting charging signals control end and Q4.