CN203485768U - Drunken driving preventing system - Google Patents
Drunken driving preventing system Download PDFInfo
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- CN203485768U CN203485768U CN201320599938.0U CN201320599938U CN203485768U CN 203485768 U CN203485768 U CN 203485768U CN 201320599938 U CN201320599938 U CN 201320599938U CN 203485768 U CN203485768 U CN 203485768U
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- micro controller
- drive system
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- prevention drive
- drinking prevention
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Abstract
The utility model discloses a drunken driving preventing system which is arranged in an automobile. The drunken driving preventing system comprises an alcohol detector, a single chip microcomputer, a displayer, a GPS module, a voice calling system and an alarm, wherein the single chip microcomputer is respectively connected with the alcohol detector, the displayer, the GPS module and the alarm, and the voice calling system is connected with the GPS module. The drunken driving preventing system can achieve the control over drunken driving fundamentally, has the advantages of being high in performance cost ratio, high in intelligence degree and stable and reliable in working, and has good popularization value in actual application.
Description
Technical field
The utility model relates to a kind of drinking prevention drive system.
Background technology
The harm of driving when intoxicated is self-evident, because drinking, can have a strong impact on driving behavior, increases the probability that traffic accident occurs in driving procedure.It can make the reduction of steerman haptic capabilities, judgement and operator perforniance reduce, produce dysopia, produce mental handicape and fatiguability etc.Therefore a large amount of traffic accidents that cause have brought serious harm to people's lives and properties, and administering drives when intoxicated becomes one of emphasis in road traffic accident prevention work.The statistics of traffic accidents data that provide according to Public Security Department of the Ministry of Public Security, the traffic violation of driving when intoxicated causes 1.09 ten thousand of traffic accidents every year on average over nearly 5 years, causing that 4054 people are dead, 1.16 ten thousand people are injured, is one of major incentive causing traffic injuries and deaths accident.By seeing the comparative analysis of drive when intoxicated over nearly 5 years traffic accident number of times, the casualties, average every the traffic accident of driving when intoxicated causes that 0.37 people is dead, 1.06 people are injured, approximately every 3 accidents just to have 1 people's fatal accident order of severity to occupy all kinds of traffic accidents the first.
The painful accident of driving when intoxicated reminds people must strengthen technological applications, strengthens the research and development application that prevents the system of driving when intoxicated, and further applies equipment and system that alcohol user drives.At present, on market, police alcohol tester is of a great variety, powerful, highly sensitive, but because it is not arranged on automotive interior, can only be implemented by traffic police personnel, therefore can not fundamentally stop to drive when intoxicated, and the event of driving when intoxicated still happens occasionally.
Summary of the invention
The purpose of this utility model is the defect existing in prior art in order to solve, and provides a kind of and can detect in real time whether drunk driving of chaufeur, and help to find in time contact person and carry out the system that generation drives.
In order to achieve the above object, the utility model provides a kind of drinking prevention drive system, and this system is located in automobile, comprises alcohol-detection instrument, micro controller system, telltale, GPS module, voice calling system and annunciator; Described micro controller system is connected with annunciator with alcohol-detection instrument, telltale, GPS module respectively; Described voice calling system is connected with GPS module.
Further improvement of the utility model is: described drinking prevention drive system also comprises control relay; Described micro controller system is connected with the firing circuit of described automobile by described control relay.
Above-mentioned alcohol-detection instrument comprises alcohol sensor, signal condition amplifying circuit and filter circuit; Described alcohol sensor is connected with described micro controller system by signal condition amplifying circuit, filter circuit successively.Wherein, alcohol sensor adopts side heating semiconductor-type alcohol gas-sensitive element MQ3.
Described drinking prevention drive system also comprises power module and Keyboard Control module; Described power module is connected with described micro controller system; Described Keyboard Control module is connected with described alcohol-detection instrument.
Wherein, micro controller system adopts Atmega16 micro controller system; Telltale adopts SED1335 Graphic lattice LCD module; Annunciator adopts buzzer phone.
The utility model drinking prevention drive system also comprises indicator lamp; Described indicator lamp is connected with described micro controller system.
Alcohol-detection instrument is a plurality of, is connected respectively with described micro controller system.
The utility model has the following advantages compared to existing technology: utilize alcohol-detection instrument automatic detection alcohol concentration, by micro controller system, carry out data analysis, send the drunk signal that exceeds standard, control GPS module and send location information to audio call module, control audio call module sends request for driving information to contact person simultaneously, notify nearest contact person to cross to help and drive, thereby greatly reduce the incidence of traffic accident.The utility model adopts the current alcohol concentration of telltale demonstration directly perceived, by annunciator and indicator lamp, reminds drunk the exceeding standard of chaufeur not drive when intoxicated; By micro controller system, send the drunk signal that exceeds standard simultaneously, utilize control relay to cut off automobile igniting circuit, alcohol content of driver is exceeded standard after automobile cannot start, fundamentally control and drive when intoxicated.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the utility model drinking prevention drive system;
Fig. 2 is the main control process flow figure of the utility model drinking prevention drive system;
Fig. 3 is the circuit diagram of the utility model car temperature control circuit;
Fig. 4 is the control circuit figure of control relay in Fig. 1;
Fig. 5 is the circuit diagram of voice calling system in Fig. 1;
Fig. 6 is the button chip structure schematic diagram of Keyboard Control module in Fig. 1;
Fig. 7 is the keyboard control circuit figure of Keyboard Control module in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model drinking prevention drive system is elaborated.
As shown in Figure 1, the utility model drinking prevention drive system is located in automobile, comprises alcohol-detection instrument, micro controller system, telltale, GPS module, voice calling system, power module, Keyboard Control module, control relay, indicator lamp and annunciator.That alcohol-detection instrument can be provided with is a plurality of (can be arranged on respectively on the crown of main driving parking stall, on bearing circle, the limit of car door first-class), comprises alcohol sensor, signal condition amplifying circuit and filter circuit.Alcohol sensor is connected with micro controller system by signal condition amplifying circuit, filter circuit successively.Wherein, alcohol sensor adopts side heating semiconductor-type alcohol gas-sensitive element MQ3, and micro controller system adopts Atmega16 micro controller system.Micro controller system is connected with annunciator with telltale, GPS module, control relay, power module, indicator lamp respectively.Keyboard Control module is connected with alcohol-detection instrument.Voice calling system is connected with GPS module.Wherein, telltale adopts SED1335 Graphic lattice LCD module; Annunciator adopts buzzer phone.Control relay is connected with the firing circuit of automobile.
Micro controller system adopts High Performance of new generation that Liao You atmel corp develops, low-power consumption, highly integrated 8-bit microprocessor, has advanced risc architecture, and the execution time of most of instructions is single clock period enhancement mode ATMEGA16 micro controller system.Its operating voltage 4.5-5.5V, frequency of operation 0-16MHZ, supports jtag port emulation and programming, simulated effect is more authentic and valid than traditional simulation.Its integrated fault rate that not only greatly reduces of height, and all having a clear superiority in aspect cost, volume, stability.
When micro controller system works in idle pulley, CPU quits work, and USART, two line interfaces, A/D conv, SRAM, T/C, SPI port and interrupt system work on; Crystal oscillator failure of oscillations during power-down mode, all functions all quit work except interruption and hardware reset; Under battery saving mode, nonsynchronous timer continues operation, allow user to keep a time reference, and all the other functional modules is in dormant state; During ADC noise suppression pattern, stop CPU and the work of all I/O modules except nonsynchronous timer and ADC, the switching noise when reducing ADC conversion; Under Standby pattern, only have crystal or resonant oscillator operation, all the other functional modules, in dormant state, make device only consume few electric current, have quick startup ability simultaneously; The expansion next permission oscillator of Standby pattern and nonsynchronous timer work on.
It is directly micro controller system power supply that power module adopts the 5V that LM2576 series switch integrated regulator produces, the another distribution such as alcohol-detection instrument source.
Alcohol-detection instrument adopts side heating semiconductor-type alcohol gas-sensitive element MQ3, and investigative range is 10～1000ppm.Alcohol-detection instrument built-in 12 ADC etc. in high precision alcohol sensor MQ3, signal condition amplifying circuit, filter circuit and micro controller system form, and radical function is to detect alcohol content, judges whether it exceeds standard.Signal condition amplifying circuit adopts integrated operational amplifier LF347 and integrated analog switch CD4066 is connected into automatic zero set amplifying circuit.This amplifying circuit is combined the input offset voltage grade of wide region and low maladjustment voltage drift, high input impedance, extremely low power consumption and high gain, and very high offset voltage stability is provided.By the configuration of peripheral circuit, can realize the signal amplification that reaches 30 times of left and right, meet the signal that sensor is sent completely and amplify, be convenient to the A/D data acquisition of ATmega16 micro controller system.
Indicator lamp comprises red greenish-yellow three indicator lamps, and red light is power light, bright during work; Green light is to detect warning light, because alcohol probe needs certain hour heating, just can reach desirable sensitivity, and time of heat arrives, green light, and expression can be carried out concentration detection; Amber light is warning indicator lamp, and amber light does not work, and expression can be driven a vehicle; When amber light is bright, represent that alcohol concentration exceeds standard, cannot drive, the frequency of amber light flicker is simultaneously higher, and alcohol concentration is higher.
What telltale was selected is the SED1335 Graphic lattice LCD module of Guangzhou Science and Technology Ltd. of Easthome, this is the dot matrix graphic LCD of a low-power consumption, can be operated in the situation of 3.3V power supply, display format is 128(row) * 64(is capable), there is multifunction instructions, inside, with Chinese word library, not only can work in serial mode but also can work in parallel mode, is easy to be connected with the micro controller system of 16.In native system, adopt concurrent working pattern with being connected of micro controller system, the input port that the asynchronous serial communication end USART of liquid crystal display control single chip computer chip ATmegal6 of take is external data or control command.
The utility model has adopted GPS module as development platform, when alcohol detection system, sends drunk exceeding standard during signal, and this module will be dealt into the information of site on voice calling system.In at ordinary times without drunk (drinking) situation, this module is just served as GPS real time route guidance system, for chaufeur is submitted necessary information.This GPS module communicates by asynchronous serial communication mode and micro controller system, only needs connection two signal wire (SW) TXD, RXD and ground wire can carry out data transmission on hardware connects.Serial communication adopts higher communication voltage ± 5～± 15V, normal employings ± 10V and ± 12V, and be negative logic level, logical zero level regulation is+5～+ 15V, logical one level stipulates to be-15～-5V, standard serial.Process level conversion between mouth and TTL/CMOS level;
Control relay is control system, and its output loop is by control system.Control relay can play control action; to input certain signal in its control system; when physical quantitys such as electricity, magnetic, heat, light reaches certain value; can make to be suddenlyd change to certain value by zero by the controlled variable of control system (claiming again output loop); or by certain value, suddenlyd change to zero, thereby reach the effects such as control, protection, transmission and transitional information.With the large electric current of Small current control, it is exactly the feature of control relay.This control relay is controlled by single-chip processor i/o mouth, is equivalent to switch, and break-make, the break-make of car temperature control circuit by Control firing circuit, safety strap tightens up and unclamp etc.
The output loop of control relay is point of connection ignition circuit and car temperature control circuit respectively, can realize firing circuit and the break-make to car temperature control circuit.As shown in Figure 4, control to safety strap degree of tightness, by control relay, according to alcohol content data, control position sensor is by being located at the position (being position shown in 1 in P3,2,3 in Fig. 4) of inner variable resistance regulating relay switch, the position that regulates safety strap to tighten up.
As shown in Figure 3, control relay is controlled the break-make of this car temperature control circuit.Variation with temperature, the resistance meeting respective change of thermally dependent resistor, the critical temperature of setup control is t0, temperature t >t0 in car, RT declines, A point potential rise, due to VT1, VT2 composite amplifier saturation conduction, make B point current potential lower than the trigger level 1/3VDD=4V of 555 2 pin, 555 are set, mouth 3 pin are high level, VT3 conducting, motor M obtains electric, running cooling, RT is because of cooling subsequently, it is large that resistance becomes, A point current potential declines, make VT1, VT2 is in critical conduction mode, B point current potential is during higher than 555 6 pin threshold level 2/3VDD=8V, circuit reset, 3 pin transfer low level to, VT3 cut-off, motor stalling, so go round and begin again, reached the object of controlling and maintaining vehicle interior temperature.
As shown in Figure 5, in voice calling system, adopted ISD1100 speech chip, continue alcohol detection circuit, send and exceed standard after signal, this system reads the information that GPS module sends and by voice calling system, alcohol user site information is passed to its nearest contact person, allow him come to help, as: " I am now in XX orientation, and I have been drunk, please be fast next ".Utilize buzzer phone as annunciator, when alcohol content exceeds standard, send and forbid the warning tones of driving a vehicle; While not exceeding standard, send and allow driving prompt tone.I/O mouth by micro controller system drives buzzer phone to realize.
As shown in Figure 6, Figure 7, the keyboard circuit of Keyboard Control module adopts independent keyboard, adopts the mode of interrupting to work, and can set the system parameter of alcohol-detection instrument, such as the alcohol concentration of the warning of setting etc.
In conjunction with Fig. 2, utilize Keyboard Control module to carry out system parameter setting to alcohol-detection instrument.When driver opens car door, alcohol-detection instrument starts, and now driving engine is in by lock status, and automobile cannot start.After alcohol sensor heating, gas signal is detected, the signal detecting is after amplification and filtering, and 12 ADCs built-in by micro controller system are converted to digital signal, have micro controller system to process judgement to this signal.If alcohol content does not exceed standard, the current alcohol concentration of the upper demonstration of LCD, green indicating lamp lights simultaneously, control relay is inoperative, and automobile starts thereupon, and this drinking prevention drive system is in low power consumpting state, micro controller system, in Standby pattern, only has alcohol-detection instrument to work always.If alcohol content exceeds standard, LCD is upper except showing current alcohol concentration, shows the mobile captions note of how to relieve the effect of alcohol rapidly simultaneously, and yellow indicator lamp lights, and annunciator is reported to the police simultaneously, control relay point of cutoff ignition circuit, and safety strap tightens up simultaneously.
Voice calling system starts, and by GPS module, is measured current location and is told to programmed emergency with voice or note " I am now in * * orientation, and I have been drunk, please be fast next ", and now chaufeur cannot start automobile, fundamentally realizes the control to driving when intoxicated.And to programmed emergency, can set a plurality ofly, when first call number is after 1 minute during access failure, system can be automatically brought to calls out next contact person, by that analogy.
It is high that the utility model drinking prevention drive system has cost performance, and intelligent degree is high, and working stability failure-free advantage, has good promotional value in actual applications.
Claims (9)
1. a drinking prevention drive system, this system is located in automobile; It is characterized in that: described drinking prevention drive system comprises alcohol-detection instrument, micro controller system, telltale, GPS module, voice calling system and annunciator; Described micro controller system is connected with annunciator with alcohol-detection instrument, telltale, GPS module respectively; Described voice calling system is connected with GPS module.
2. drinking prevention drive system according to claim 1, is characterized in that: described drinking prevention drive system also comprises control relay; Described micro controller system is connected with the firing circuit of described automobile by described control relay.
3. drinking prevention drive system according to claim 1, is characterized in that: described drinking prevention drive system also comprises control relay; Described micro controller system is connected with the car temperature control circuit of described automobile by described control relay.
4. drinking prevention drive system according to claim 1 and 2, is characterized in that: described alcohol-detection instrument comprises alcohol sensor, signal condition amplifying circuit and filter circuit; Described alcohol sensor is connected with described micro controller system by signal condition amplifying circuit, filter circuit successively.
5. drinking prevention drive system according to claim 3, is characterized in that: described alcohol sensor adopts side heating semiconductor-type alcohol gas-sensitive element MQ3.
6. drinking prevention drive system according to claim 1 and 2, is characterized in that: described drinking prevention drive system also comprises power module and Keyboard Control module; Described power module is connected with described micro controller system; Described Keyboard Control module is connected with described alcohol-detection instrument.
7. drinking prevention drive system according to claim 1 and 2, is characterized in that: described micro controller system adopts Atmega16 micro controller system; Described telltale adopts SED1335 Graphic lattice LCD module; Described annunciator adopts buzzer phone.
8. drinking prevention drive system according to claim 1 and 2, is characterized in that: described drinking prevention drive system also comprises indicator lamp; Described indicator lamp is connected with described micro controller system.
9. drinking prevention drive system according to claim 1 and 2, is characterized in that: described alcohol-detection instrument is a plurality of, is connected respectively with described micro controller system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599938.0U CN203485768U (en) | 2013-09-27 | 2013-09-27 | Drunken driving preventing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320599938.0U CN203485768U (en) | 2013-09-27 | 2013-09-27 | Drunken driving preventing system |
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| CN203485768U true CN203485768U (en) | 2014-03-19 |
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| CN201320599938.0U Expired - Fee Related CN203485768U (en) | 2013-09-27 | 2013-09-27 | Drunken driving preventing system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507636A (en) * | 2013-09-27 | 2014-01-15 | 南京工业职业技术学院 | Drunk driving preventing system |
| CN104802642A (en) * | 2015-05-11 | 2015-07-29 | 金陵科技学院 | Automobile unlocking device for automatically detecting alcohol and realization method thereof |
| CN105059116A (en) * | 2015-08-31 | 2015-11-18 | 无锡伊佩克科技有限公司 | Vehicle-mounted alcohol detection control system |
-
2013
- 2013-09-27 CN CN201320599938.0U patent/CN203485768U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103507636A (en) * | 2013-09-27 | 2014-01-15 | 南京工业职业技术学院 | Drunk driving preventing system |
| CN103507636B (en) * | 2013-09-27 | 2016-06-08 | 南京工业职业技术学院 | A kind of drinking prevention drive system |
| CN104802642A (en) * | 2015-05-11 | 2015-07-29 | 金陵科技学院 | Automobile unlocking device for automatically detecting alcohol and realization method thereof |
| CN105059116A (en) * | 2015-08-31 | 2015-11-18 | 无锡伊佩克科技有限公司 | Vehicle-mounted alcohol detection control system |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20140319 Termination date: 20160927 |