CN206416851U

CN206416851U - A kind of automobile anti-drunken driving circuit system

Info

Publication number: CN206416851U
Application number: CN201621380152.XU
Authority: CN
Inventors: 刘雪宁
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-16
Filing date: 2016-12-16
Publication date: 2017-08-18
Anticipated expiration: 2026-12-16

Abstract

The utility model discloses a kind of automobile anti-drunken driving circuit system, it is related to automobile driving safe technical field.Including alcohol sensor, alcohol signal amplifying circuit, signaling conversion circuit, single chip machine controlling circuit, drunk driving warning and display circuit, ignition trigger signals control circuit and power circuit, the alcohol sensor is used to detect alcohol concentration signal, and the alcohol concentration signal of detection is sent to signaling conversion circuit after alcohol signal amplifying circuit progress signal amplifier, signaling conversion circuit is sent to single chip machine controlling circuit after being converted into circuit digital signal through alcohol concentration signal and handled, signal after processing is respectively sent to drunk driving warning and display circuit by single chip machine controlling circuit, ignition trigger signals control circuit is controlled.System is relatively simple, wide adaptability, can be adapted to various vehicles, and simple installation is easy to operate.

Description

A kind of automobile anti-drunken driving circuit system

Technical field

The utility model is related to automobile driving safe technical field, more particularly to a kind of automobile anti-drunken driving circuit system.

Background technology

With the increase of automobile number of users, traffic accident incidence is in cumulative year after year trend caused by drunk driving.Such as Fruit investigates the reason for drunk driving causes accident, it is seen that, after driver is drunken, the thinking judgement of driver And run into and decline a lot when the alarm reaction abilities of emergency situations is relatively regained consciousness, this is that drunk driving causes traffic accident incidence to increase Plus basic reason.The increase of traffic accident incidence, not only results in the heavy casualties of personnel, even results in social resources wave Take (including police strength, material resources and financial resources etc.), if things go on like this, it will bring bad influence to society.In order to avoid this phenomenon Generation, actively take steps to avoid drunk driving in terms of traffic police, these measures mainly include increasing inspection power on New Year's Day or other festivals Degree, harmfulness of road mark publicity drunk driving etc..Undeniably, these measures to a certain extent, are served well Warning function, but in the case where supervision is relaxed, still suffer from some drivers and have lucky psychology in arms, implement drunk The behavior driven, when a fault occurs, regrets late.

In summary, the effort made in terms of traffic police, is simply supervised and reminding effect, can not completely pre- drunk-driving prevention.Will Prevent drunk driving from root, in addition to driver deepens the thought do not driven of drinking, automobile production producer in design vehicle, The circuit of reply automobile is designed, and makes it have the function of drunk-driving prevention, even if driver is drunk, also there is no concern that occurring Traffic accident.

Utility model content

Technical problem to be solved in the utility model is to provide a kind of automobile anti-drunken driving circuit system, the decorum energy Effectively control drunk driving, system is relatively simple, and wide adaptability can be adapted to various vehicles, and simple installation is easy to operate.

In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of automobile anti-drunken driving circuit system System, drunk-driving prevention circuit system include alcohol sensor, alcohol signal amplifying circuit, signaling conversion circuit, single chip machine controlling circuit, Drunk driving warning is used to detect alcohol with display circuit, ignition trigger signals control circuit and power circuit, the alcohol sensor Concentration signal, and the alcohol concentration signal of detection is sent to signal conversion after alcohol signal amplifying circuit progress signal amplifier Circuit, signaling conversion circuit is sent at single chip machine controlling circuit after being converted into circuit digital signal through alcohol concentration signal Signal after processing is respectively sent to drunk driving warning and controlled with display circuit, ignition trigger signals by reason, single chip machine controlling circuit Circuit is controlled, and the power circuit is provides supply voltage into individual drunk-driving prevention circuit system.

The technical scheme further optimized is the concentration sensor that the alcohol sensor uses model SB-30, described Alcohol signal amplifying circuit amplifies transport and placing device using model TLC2L signal, and through load resistance RL and the alcohol sensing Device is electrically connected.

The technical scheme further optimized is the chip that the signaling conversion circuit uses model ADC0832, the list Piece machine control circuit uses model AT89S51 single-chip microcomputer, the CHO pins and alcohol of the signaling conversion circuit ADC0832 The output end connection of signal amplification circuit, ADC0832 CLK pin is connected with the P1.0 pins of AT89S51 single-chip microcomputers, ADC0832 D1, D0 pin is connected with the P1.1 pins of AT89S51 single-chip microcomputers, ADC0832 CS pins with AT89S51 it is mono- The P1.2 pins connection of piece machine.

The technical scheme further optimized is the drunk driving warning and display circuit by triode T2, T3, light emitting diode LED, buzzer SPK, electromagnetic relay J2,4 digital display tubes and row's resistance R4 compositions；The P1.3 pins output of single-chip microcomputer Low level signal is sent to triode T2 base stage, and control triode T2 driving LEDs are luminous, buzzer SPK is sent Alarm；The low level signal of the P1.4 pins output of single-chip microcomputer is sent to triode T3 base stages, control triode T3 driving electromagnetism Relay is closed, and turn signal can be made to flash and alarm；The P0 pins output alcohol numerical signal of single-chip microcomputer enters to charactron Row display, the output signal lighted or extinguish P2.4 to P2.7 pins respectively by single-chip microcomputer of 4 digital display tubes is controlled.

The technical scheme further optimized be ignition trigger signals control circuit it is main by by triode T1, electromagnetism after Electrical equipment J1 and resistance R5 compositions；The P1.5 pins of single-chip microcomputer export low level signal to triode T1 base stages, control through resistance R5 Triode T1 drivings electromagnetic relay J1 is disconnected, and engine can be made can not to light a fire startup.

The technical scheme further optimized is that the power circuit is main by chip LM7805, filter capacitor C6, C8, high frequency Signal shunt capacitance C7, C9 is constituted；Vehicular accumulator cell 12V voltages are specially changed into drunk-driving prevention circuit system after 5V dc sources to provide 5V voltages.

It is using the beneficial effect produced by above-mentioned technical proposal：After the utility model system electrification, SCM system Start initialization；It was delayed through 5 minutes；The expiration button being connected between single-chip microcomputer P1.6 pin and ground wire is pressed, starts analog-to-digital conversion Go forward side by side smart concentration data storage of serving a round of liquor to the guests；After conversion end, alcohol concentration data processing is carried out；Show alcohol concentration value；Judge wine Whether smart concentration is exceeded, if alcohol concentration is not exceeded, connects ignition trigger signals circuit, enables the engine to normally open It is dynamic；If alcohol concentration is exceeded, ignition trigger signals circuit is set to maintain off-state, and send sound and light alarm, steering indicating light flicker. Even if ignition switch, start-up circuit is still turned off, it is impossible to constitute loop, starter motor can not be operated, and engine can not start, Also just can not actuating vehicle.The utility model forbids personnel's startup car engine of driving when intoxicated from active safety angle, Drunk driving carries out early warning before occurring, and prevention is driven when intoxicated with good effect, so as to reduce the generation of traffic accident, be compensate for The deficiency of traffic inspecting and careless omission, with very strong use value and social effect.

Brief description of the drawings

Fig. 1 is the utility model alcohol signal amplifying circuit schematic diagram；

Fig. 2 is the utility model single chip machine controlling circuit schematic diagram；

Fig. 3 is the utility model drunk driving warning and display circuit schematic diagram；

Fig. 4 is the utility model ignition trigger signals control circuit theory diagrams；

Fig. 5 is the utility model power circuit principle figure.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

The utility model discloses a kind of automobile anti-drunken driving circuit system, drunk-driving prevention circuit system include alcohol sensor, Alcohol signal amplifying circuit, signaling conversion circuit, single chip machine controlling circuit, drunk driving warning and display circuit, ignition trigger signals Control circuit and power circuit, the alcohol sensor is used to detecting alcohol concentration signal, and by the alcohol concentration signal of detection Signaling conversion circuit is sent to after carrying out signal amplifier through alcohol signal amplifying circuit, signaling conversion circuit is through alcohol concentration signal It is converted into being sent to single chip machine controlling circuit after circuit digital signal and is handled, single chip machine controlling circuit is by the signal after processing It is respectively sent to drunk driving warning to be controlled with display circuit, ignition trigger signals control circuit, the power circuit is into individual Drunk-driving prevention circuit system provides supply voltage.

Passed as shown in figure 1, the technical scheme further optimized is the alcohol sensor using model SB-30 concentration Sensor, the alcohol signal amplifying circuit using model TLC2L signal amplification transport and placing device, and through load resistance RL with it is described Sensor is electrically connected silently.

As shown in Fig. 2 the technical scheme further optimized is the core that the signaling conversion circuit uses model ADC0832 Piece, the single chip machine controlling circuit uses model AT89S51 single-chip microcomputer, and the CHO of the signaling conversion circuit ADC0832 draws Pin is connected with the output end of alcohol signal amplifying circuit, and ADC0832 CLK pin connects with the P1.0 pins of AT89S51 single-chip microcomputers Connect, ADC0832 D1, D0 pin is connected with the P1.1 pins of AT89S51 single-chip microcomputers, ADC0832 CS pins and and AT89S51 The P1.2 pins connection of single-chip microcomputer.

As shown in figure 3, the technical scheme further optimized be the drunk driving warning and display circuit by triode T2, T3, LED, buzzer SPK, electromagnetic relay J2,4 digital display tubes and row's resistance R4 compositions；The P1.3 of single-chip microcomputer The low level signal of pin output is sent to triode T2 base stage, and control triode T2 driving LEDs are luminous, buzzing Device SPK sends alarm；The low level signal of the P1.4 pins output of single-chip microcomputer is sent to triode T3 base stages, control triode T3 Electromagnetic relay closure is driven, turn signal can be made to flash and alarm；The P0 pins output alcohol numerical signal of single-chip microcomputer is arrived Charactron is shown that the output lighted or extinguish P2.4 to P2.7 pins respectively by single-chip microcomputer of 4 digital display tubes is believed Number control.

As shown in figure 4, the technical scheme further optimized is that ignition trigger signals control circuit is main by by three poles Pipe T1, electromagnetic relay J1 and resistance R5 compositions；The P1.5 pins of single-chip microcomputer export low level signal to triode through resistance R5 T1 base stages, control triode T1 driving electromagnetic relay J1 is disconnected, and engine can be made can not to light a fire startup.

As shown in figure 5, the technical scheme further optimized is that the power circuit is main by chip LM7805, filter capacitor C6, C8, high-frequency signal shunt capacitance C7, C9 composition；Vehicular accumulator cell 12V voltages are specially changed into drunk-driving prevention electricity after 5V dc sources Road system provides 5V voltages.

After the utility model system electrification, SCM system starts initialization；It was delayed through 5 minutes；Press and be connected on single-chip microcomputer Expiration button between P1.6 pin and ground wire, starts analog-to-digital conversion and goes forward side by side smart concentration data storage of serving a round of liquor to the guests；After conversion end, carry out Alcohol concentration data processing；Show alcohol concentration value；Judge whether alcohol concentration is exceeded, if alcohol concentration is not exceeded, make a little Fiery trigger signal circuit is connected, and enables the engine to normal startup；If alcohol concentration is exceeded, tie up ignition trigger signals circuit Off-state is held, and sends sound and light alarm, steering indicating light flicker.Even if ignition switch, start-up circuit is still turned off, it is impossible to structure Into loop, starter motor can not be operated, and engine can not start, also just can not actuating vehicle.The utility model is from active safety angle Degree sets out, and forbids personnel's startup car engine of driving when intoxicated, carries out early warning before drunk driving occurs, prevention, which is driven when intoxicated, to be had very Good effect, so as to reduce the generation of traffic accident, compensate for deficiency and the careless omission of traffic inspecting, with very strong use Value and social effect.

Claims

1. a kind of automobile anti-drunken driving circuit system, it is characterised in that：Drunk-driving prevention circuit system includes alcohol sensor, alcohol signal Amplifying circuit, signaling conversion circuit, single chip machine controlling circuit, drunk driving warning and display circuit, ignition trigger signals control circuit And power circuit, the alcohol sensor is used to detect alcohol concentration signal, and the alcohol concentration signal of detection is believed through alcohol Number amplifying circuit is sent to signaling conversion circuit after carrying out signal amplifier, and signaling conversion circuit is converted into electricity through alcohol concentration signal Single chip machine controlling circuit is sent to after railway digital signal to be handled, the signal after processing is respectively transmitted by single chip machine controlling circuit It is controlled to drunk driving warning with display circuit, ignition trigger signals control circuit, the power circuit is into individual drunk-driving prevention electricity Road system provides supply voltage.

2. a kind of automobile anti-drunken driving circuit system according to claim 1, it is characterised in that：The alcohol sensor is used Model SB-30 concentration sensor, the alcohol signal amplifying circuit amplifies transport and placing device using model TLC2L signal, And electrically connected through load resistance RL with the alcohol sensor.

3. a kind of automobile anti-drunken driving circuit system according to claim 1, it is characterised in that：The signaling conversion circuit is adopted With model ADC0832 chip, the single chip machine controlling circuit uses model AT89S51 single-chip microcomputer, and the signal turns The CHO pins for changing circuit ADC0832 are connected with the output end of alcohol signal amplifying circuit, ADC0832 CLK pin with The P1.0 pins connection of AT89S51 single-chip microcomputers, ADC0832 D1, D0 pin is connected with the P1.1 pins of AT89S51 single-chip microcomputers, ADC0832 CS pins are connected with the P1.2 pins of AT89S51 single-chip microcomputers.

4. a kind of automobile anti-drunken driving circuit system according to claim 1, it is characterised in that：The drunk driving warning and display Circuit is by triode T2, T3, LED, buzzer SPK, electromagnetic relay J2,4 digital display tubes and row's resistance R4 is constituted；The low level signal of the P1.3 pins output of single-chip microcomputer is sent to triode T2 base stage, control triode T2 driving hairs Optical diode LED is luminous, buzzer SPK sends alarm；The low level signal of the P1.4 pins output of single-chip microcomputer is sent to three poles Pipe T3 base stages, control triode T3 driving electromagnetic relay closures, can make turn signal flash and alarm；The P0 of single-chip microcomputer draws Pin output alcohol numerical signal shown to charactron, and 4 digital display tubes are lighted or extinguished respectively by single-chip microcomputer The output signal of P2.4 to P2.7 pins is controlled.

5. a kind of automobile anti-drunken driving circuit system according to claim 1, it is characterised in that：The ignition trigger signals control Circuit processed is mainly made up of triode T1, electromagnetic relay J1 and resistance R5；The P1.5 pins of single-chip microcomputer export low through resistance R5 Level signal controls triode T1 driving electromagnetic relays J1 to disconnect, engine can be made not light a fire and opened to triode T1 base stages It is dynamic.

6. a kind of automobile anti-drunken driving circuit system according to claim 1, it is characterised in that：The power circuit it is main by Chip LM7805, filter capacitor C6, C8, high-frequency signal shunt capacitance C7, C9 composition；Vehicular accumulator cell 12V voltages are specially changed into Drunk-driving prevention circuit system provides 5V voltages after 5V dc sources.