CN206416851U - A kind of automobile anti-drunken driving circuit system - Google Patents
A kind of automobile anti-drunken driving circuit system Download PDFInfo
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- CN206416851U CN206416851U CN201621380152.XU CN201621380152U CN206416851U CN 206416851 U CN206416851 U CN 206416851U CN 201621380152 U CN201621380152 U CN 201621380152U CN 206416851 U CN206416851 U CN 206416851U
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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
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 (6)
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.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621380152.XU CN206416851U (en) | 2016-12-16 | 2016-12-16 | A kind of automobile anti-drunken driving circuit system |
Applications Claiming Priority (1)
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CN201621380152.XU CN206416851U (en) | 2016-12-16 | 2016-12-16 | A kind of automobile anti-drunken driving circuit system |
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CN206416851U true CN206416851U (en) | 2017-08-18 |
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CN201621380152.XU Expired - Fee Related CN206416851U (en) | 2016-12-16 | 2016-12-16 | A kind of automobile anti-drunken driving circuit system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109532486A (en) * | 2019-01-09 | 2019-03-29 | 吉林大学 | A kind of intelligence drunk-driving prevention system and drunk-driving prevention method |
-
2016
- 2016-12-16 CN CN201621380152.XU patent/CN206416851U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109532486A (en) * | 2019-01-09 | 2019-03-29 | 吉林大学 | A kind of intelligence drunk-driving prevention system and drunk-driving prevention method |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170818 Termination date: 20181216 |