CN102514488A

CN102514488A - Telescopic alcolock system

Info

Publication number: CN102514488A
Application number: CN2012100026801A
Authority: CN
Inventors: 孙桂玲; 李少阳; 胡晓晖; 张宇蒙; 白笑宇; 隗文钰
Original assignee: Nankai University
Current assignee: Nankai University
Priority date: 2012-01-06
Filing date: 2012-01-06
Publication date: 2012-06-27
Anticipated expiration: 2032-01-06
Also published as: CN102514488B

Abstract

The invention discloses a telescopic alcolock system. The system comprises an alcohol probe, an automatic telescopic rod, an ignition relay and a microcontroller, wherein the alcohol probe is used for detecting alcohol concentration of exhaled gas of a driver and can detect whether the driver is in drunk driving; the automatic telescopic rod can automatically stretch out and retract; the ignition relay is used for controlling automobile start and flameout; and the microcontroller is used for acquiring and processing a detection result, is connected with an alcohol detection device and controls a corresponding alarm device. Compared with the prior art, a telescopic alcolock structure in an automobile has higher operability, and can effectively avoid a condition that a motor vehicle is forced to start after the driver is detected to be drunk, so that the problems of a high potential safety hazard brought by drunk driving and a cheating behavior of the driver for escaping alcohol detection are effectively solved; and therefore, the personal safety of the driver and others is guaranteed, and the safety and stability of a traffic environment can be guaranteed simultaneously.

Description

Telescopic alcohol is locked system

Technical field

The present invention relates to a kind of telescopic vehicle carried driving alcohol detecting device, specifically is a kind of social danger that produces to current drunken driving and be applied to the alcohol lock construction of mobile traffic equipment.

Background technology

Drunken driving is the main inducing that traffic accident takes place, and has become No.1 highway killer, is one of four dead big reasons of urban population, the personal safety that is greatly endangering people.In worldwide, annual dead 5,200 ten thousand people of the whole world 6,000,000,000 populations, 500,000 people that wherein die from traffic accident account for 1% of total death toll, come the 10th of the human cause of death.

Dangerous high although drive when intoxicated, there is much human to entertain psychology lucky or challenge, the tragedy that gets into an accident of therefore driving when intoxicated takes place often, grows in intensity.

Current, many state compulsions are installed alcohol and are locked to reach and prevent the purpose of driving when intoxicated on each automobile.The alcohol lock is a kind of vehicle-mounted alcohol detecting device, and the driver exhales to the alcohol content tester that the alcohol lock is equipped with, and through instrument test, after the identification driver did not drink, the alcohol lock just can be opened, otherwise automobile can't start.The alcohol lock that many different structures are arranged that has proposed now, but specifically how it is assemblied on the vehicle prevents to drive when intoxicated simultaneously effectively, is still the present stage a great problem that faces of this equipment.

Summary of the invention

Can not actv. prevent the deficiency of driving when intoxicated in order to overcome existing alcohol lock; The present invention provides a kind of reliable, telescopic alcohol lock construction of actv.; This alcohol lock can not only detect whether alcohol content exceeds standard in the chaufeur body; And can guarantee that automobile can't start if the chaufeur alcohol content is when exceeding standard.

Anti-cheating formula alcohol lock provided by the invention system comprises:

---microcontroller: data processing center, be used to analyze the result of alcohol detection, and according to result control alarm device and ignition relay, to realize automatic guidance;

---alcohol detecting device: link to each other with above-mentioned microcontroller, be made up of interlock circuits such as gas sensor MQ303a, signal conditioning, be used to detect the alcohol content in the chaufeur body, the electric signal of alcohol detection is sent into microcontroller carries out analyzing and processing;

---the electric expansion bar: be made up of two joints, front end is installed above-mentioned alcohol detecting device.Be installed in the bearing circle below, according to the size of bearing circle, the length and the position of adjustment expansion link.After system start-up, expansion link begins action by electric machine control, with the alcohol probe, passes space on the bearing circle automatically, reaches the chaufeur dead ahead, waits for and blowing;

---warning device: be connected with above-mentioned microcontroller, receive the alerting signal of microcontroller, when the chaufeur alcohol concentration exceeds standard, send voice suggestion;

---ignition relay: be connected with above-mentioned microcontroller, receive the actuation signal of microcontroller, when chaufeur detects when qualified, the starting ignition device, otherwise, will not start.

Compared with prior art, the present invention proposes a kind of telescopic alcohol lock construction of practising fraud of can effectively preventing, its advantage is and can prevents effectively to drive when intoxicated, and ensures chaufeur and other people personal safety.

Description of drawings

Fig. 1 is telescopic alcohol lock system chart;

Fig. 2 is the micro controller module schematic circuit diagram;

Fig. 3 is telescopic alcohol lock pictorial diagram;

Fig. 4 is telescopic alcohol lock section-drawing;

Fig. 5 is telescopic alcohol lock birds-eye view;

Fig. 6 is telescopic alcohol lock transparent view;

Fig. 7 is telescopic alcohol lock internal gear part partial enlarged drawing;

Fig. 8 draws scheme drawing for the internal system conduit;

Fig. 9 tilts to rotate scheme drawing for system;

Figure 10 is system's scheme of installation;

Figure 11 is the system works scheme drawing.

The specific embodiment

Telescopic alcohol lock provided by the invention is made up of microcontroller, alcohol detecting device, electric expansion bar, warning device, ignition relay.Testing process is succinct, continuously, easy operating can effectively prevent chaufeur force start vehicle still after drinking.

Embodiment 1

Fig. 1 is telescopic alcohol lock system principle diagram.Microcontroller detects chaufeur take a seat after, send the actuation signal start-up system.After the system start-up, the electric expansion bar passes bearing circle and stretches out, alcohol detecting device work.After detecting end, the result of a measurement after alcohol detecting device is changed A/D is sent into microcontroller.Microcontroller is controlled the electric expansion bar, the mode of operation of warning device and automobile initiating means according to result of a measurement.

When alcohol detection was qualified, expansion link can be regained, and ignition device is closed, and automobile can normally start;

During the alcohol detection nonconformity, alarm activation, expansion link is not regained, and the alcohol lock pins bearing circle automatically, influences the rotation of bearing circle, and simultaneously, ignition device is broken off, and automobile can't start.

Embodiment 2

Fig. 2 is the micro controller module schematic circuit diagram, and governor circuit is made up of single chip computer AT 89S52, modulus conversion chip ADC0809, LCD display circuit, warning device and crystal oscillating circuit.Wherein, the alcohol detecting device output signal inserts modulus conversion chip ADC0809 input end after amplification filtering, and the digital signal after the conversion inserts micro controller system P1 mouth.Micro controller system is controlled warning device work through handling incoming signal, and output data is delivered to 12864 liquid crystal displays through the P0 oral instructions, shows alcohol concentration.

Embodiment 3

Telescopic alcohol lock is installed in the bearing circle below, sees shown in Fig. 3 to 9:

Among the figure,

1 is protection alcohol concentration detection core component---the metal wire net of alcohol sensor;

2 inner conduits for the flexible probe of alcohol lock;

3 outer sleeves for the flexible probe of alcohol lock;

4 is the support rotating base of single unit system;

5 are used to control the column gear that inner conduit stretches for the afterbody inside pipe casing is connected with motor;

6 are connected and the fixing spherical entity of alcohol probe positions with the support rotating base for the outer sleeve bottom.

The annexation of telescopic alcohol lock each several part structure is following:

Alcohol probe 1 is welded on the open upper end place of inner conduit 2, and alcohol sensor is isolated from the outside out, and the gas that chaufeur is breathed out gets into alcohol probe inside.Inner conduit 2 is started working protheca externally in the internal cavities of conduit 3 at anti-cheating formula alcohol lock, has the screw-type groove on the surface, middle and lower part of inner conduit 2, this groove be installed in of the gear 5 complete interlocks of outer conduit 3 inside by electric machine control; Therefore, in electric machine control gear rotating process, can control inner conduit 2 and move up and down, thus the length of adjustment alcohol probe.The bottom of outer conduit 3 is a spherical shape solid 6, and is placed in the onesize ball recess at base 4 centers; Can the integral body of alcohol probe be rotated through rotating outer conduit 3; Because the bottom of outer conduit 3 coincide with the groove shapes of base 4 and the two material can produce bigger friction factor, therefore can make the overall fixed of alcohol probe carry out on the obliquity of alcohol concentration detection being fit to through adjustment outer conduit 3.

Whole device is under out-of-run state, and inner conduit 2 is positioned at base 4 inside, has saved whole shared space.When test, device inner gear 5 starts, and makes inner conduit 2 upwards stretch out, with the length according to s own situation adjustment alcohol probe.Simultaneously, chaufeur can also be finely tuned the direction of outer conduit 3, the alcohol probe is fixed on is convenient to carry out on the position of alcohol concentration detection.

Embodiment 4

The concrete method of application of this system:

1. when chaufeur is sitting on the seat, start alcohol lock testing circuit;

2. microprocessor controls electric expansion bar stretches out, and passes the bearing circle space, and the alcohol-detection device of front end is reached chaufeur the place ahead;

3. alcohol detecting device detects gas, and result of a measurement is transported to microcontroller;

4. microcontroller carries out analysis and judgement to the alcohol content of gas, if content is in the normal range, then expansion link is regained; Chaufeur can normally start locomotive, otherwise then expansion link is not regained, and the alcohol lock pins bearing circle automatically; Warning device sounds, and ignition device is broken off, and locomotive can't normally start.

Claims

1. telescopic alcohol lock construction provided by the invention comprises:

---microcontroller: data processing center, be used to analyze the result of alcohol detection, and according to testing result control alarm device and automobile starting control circuit, to realize automatic guidance;

---the electric expansion bar: be made up of two joints, front end is installed above-mentioned alcohol detecting device.Be installed in the bearing circle below, according to the size of bearing circle, configuration expansion link position.After system start-up, expansion link begins action by electric machine control, and the expansion link that the alcohol probe will be installed automatically passes space on the bearing circle, reaches the chaufeur dead ahead, waits for and blowing;

---automobile initiating means: be connected with above-mentioned microcontroller, be installed on automotive interior, receive the actuation signal of microcontroller, when chaufeur detects when qualified, the starting ignition device, otherwise, will not start.

2. telescopic alcohol lock construction according to claim 1 is characterized in that: a kind ofly can prevent effectively to drive when intoxicated according to the telescopic alcohol lock construction of environment inside car design-calculated actv., ensure chaufeur and other people personal safety.