CN202703279U - Drunk driving prevention automobile self-locking system - Google Patents
Drunk driving prevention automobile self-locking system Download PDFInfo
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- CN202703279U CN202703279U CN 201220292325 CN201220292325U CN202703279U CN 202703279 U CN202703279 U CN 202703279U CN 201220292325 CN201220292325 CN 201220292325 CN 201220292325 U CN201220292325 U CN 201220292325U CN 202703279 U CN202703279 U CN 202703279U
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- micro controller
- controller system
- locking system
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Abstract
The utility model discloses a drunk driving prevention automobile self-locking system which comprises a plurality of alcohol concentration sensors, a piezoelectric film sensor and a charge coupled device (CCD) camera. The alcohol concentration sensors are connected with a single chip through signal amplification circuits and analog to digital (A / D) conversion circuits. The piezoelectric film sensor is connected to the single chip through a signal processing circuit. The CCD camera is connected to the single chip through a co-processor. Output of the single chip is respectively connected with a sound-light alarming circuit, a liquid crystal display circuit and a relay driving circuit. The drunk driving prevention automobile self-locking system has the advantages of being simple in structure, low in cost, convenient to use, accurate in results, reliable in control and the like.
Description
Technical field
The utility model relates to a kind of anti-drunk driving automobile self-locking system, and is especially a kind of simple in structure, with low cost, easy to use, can detect automatically whether the driver drinks beyond one's capacity, the result accurately, the anti-drunk driving automobile self-locking system of control failure-free.
Background technology
Show have 50% ~ 60% traffic accident relevant with driver's drunken driving (drunk driving), and cause high-frequency traffic accident deadly according to World Health Organigation accident investigation.For preventing drunk driving, at present, the existing anti-drunk driving system that is installed on the automobile.There is alco key in anti-drunk driving system in the past, based on the anti-drunk driving system that many alcohol sensors and camera detect, existing drawback is that testing result is not accurate enough, faulty operation usually occurs.For fear of the problem that maloperation occurs, people work out again the anti-drunk driving system that is made of sweat alcohol screen test analyser, finger-print recognising instrument, pulse monitor etc., its method of inspection is after the driver stretches into airtight collector with middle finger, and treatment circuit both can analyze whether alcohol concentration exceeds standard in driver's finger sweat in 20 seconds.If exceed standard, the treatment circuit driving control device makes igniting or EFI circuit remain open state, and vehicle can't start.Although this system's testing result is relatively accurate, its make complicated, cost is high and be to need artificial active detecting so that its application is less.
Summary of the invention
The utility model is in order to solve the existing above-mentioned technical matters of prior art, to provide a kind of simple in structure, with low cost, easy to use, can detect automatically whether the driver drinks beyond one's capacity, the result accurately, the anti-drunk driving automobile self-locking system of control failure-free.
Technical solution of the present utility model is: a kind of anti-drunk driving automobile self-locking system, it is characterized in that: be provided with a plurality of alcohol concentration sensors, piezoelectric film sensor, CCD camera, described alcohol concentration sensor joins by signal amplification circuit, A/D change-over circuit and micro controller system successively; Described piezoelectric film sensor joins by signal processing circuit and micro controller system; Described CCD camera joins by coprocessor and micro controller system; The output of described micro controller system is joined with sound light alarming circuit, liquid crystal display circuit and relay drive circuit respectively.
But alcohol concentration sensor, piezoelectric film sensor, CCD camera automatic acquisition driver sign (expiration, pulse, iris) signal that the utility model is set, thereby detect alcohol content in driver's body.Detect step by step by multisensor, many informixs, detecting authority raises step by step, testing result is more accurate, when detected signal value exceeds standard, and the micro controller system output signal, show alcohol concentration, control sound and light alarm, by relay controller the relay tip between charging battery jar and ignition device is disconnected simultaneously, realize the automobile self-locking, have the advantages such as simple in structure, with low cost, easy to use, that the result accurate, control is reliable.
Description of drawings
Fig. 1 is the schematic block circuit diagram of the utility model embodiment.
The specific embodiment
Below in conjunction with the description of drawings specific embodiment of the present utility model.As shown in Figure 1: be provided with 4 alcohol concentration sensor A ~ D(MQ-3), piezoelectric film sensor (HK2000B piezoelectric type pulse transducer), CCD camera, alcohol concentration sensor joins by signal amplification circuit A ~ D, A/D change-over circuit A ~ D and micro controller system (AT89C52) successively; Piezoelectric film sensor joins with micro controller system by signal processing circuit (amplification, shaping); Described CCD camera joins by coprocessor (STM32) and micro controller system; The output of described micro controller system is joined with sound light alarming circuit, liquid crystal display circuit and relay drive circuit respectively.
During installation, 4 alcohol sensors are installed in respectively inclined to one side front position, the chaufeur crown, copilot station, the back row seats position, piezoelectric film sensor is placed on driver's handling position in the car door, and bicycle shed is laid the CCD camera in the driver dead ahead.The relay electric contact that relay drive circuit is controlled is normally closed contact, is installed between charging battery jar and the ignition device.
When getting on the bus, the driver closes the door when prepare starting automobile, the a plurality of alcohol devices that are installed in the car detect synchronously, convert the signal that detects to voltage signal, converting digital signal to through A/D again delivers to micro controller system and processes, contrast the result that a plurality of alcohol sensors detect, judge whether chaufeur drinks and concentration, if the position of driver alcohol concentration exceeds standard, then can show its concentration value at Liquid Crystal Module; Meanwhile, be installed in the piezoelectric film sensor of driver's handling position in the car door, can moment of closing the door detect driver's pulse information the driver, with the electric signal of sensor output by analogous circuit first to its amplification, afterwards its analog signal is carried out shaping, be converted into impulse form.Utilize two timer/counters (T0 and T1) in the micro controller system, pulse after the shaping is counted, then calculate pulse heart rate per minute number by software, and according to the software analysis data, compare detecting the pulse information of returning and the normal pulse of having learnt in advance to store, if note abnormalities (after drinking people's pulse can with do not drink before have unusual), can determine substantially that then chaufeur is to drink; Meanwhile, the CCD camera is taken the iris image that obtains chaufeur, then carrying out live body by coprocessor detects, algorithm identified, the normal iris image of comparison chaufeur, the result is delivered to micro controller system, if find to have unusually with pre-stored iris image, can determine fully that then chaufeur drinks.This moment, micro controller system started the warning of sound and light alarm module, and relay tip disconnects, automobile self-locking (ten minutes delay time).Continue during this period to detect, if exist drunk driving danger, then reappear the self-locking of calculating automobile.
Claims (1)
1. anti-drunk driving automobile self-locking system, it is characterized in that: be provided with a plurality of alcohol concentration sensors, piezoelectric film sensor, CCD camera, described alcohol concentration sensor joins by signal amplification circuit, A/D change-over circuit and micro controller system successively; Described piezoelectric film sensor joins by signal processing circuit and micro controller system; Described CCD camera joins by coprocessor and micro controller system; The output of described micro controller system is joined with sound light alarming circuit, liquid crystal display circuit and relay drive circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292325 CN202703279U (en) | 2012-06-21 | 2012-06-21 | Drunk driving prevention automobile self-locking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220292325 CN202703279U (en) | 2012-06-21 | 2012-06-21 | Drunk driving prevention automobile self-locking system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202703279U true CN202703279U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220292325 Expired - Fee Related CN202703279U (en) | 2012-06-21 | 2012-06-21 | Drunk driving prevention automobile self-locking system |
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| Country | Link |
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| CN (1) | CN202703279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773074A (en) * | 2015-03-08 | 2015-07-15 | 赵新宇 | Double protection-based intelligent vehicle-mounted alcohol measurement and control device and measurement and control method |
| CN105730234A (en) * | 2016-02-22 | 2016-07-06 | 沙洲职业工学院 | Control detection device for preventing people from drunken driving |
| CN106522665A (en) * | 2016-11-07 | 2017-03-22 | 东莞华南设计创新院 | Novel automobile part |
-
2012
- 2012-06-21 CN CN 201220292325 patent/CN202703279U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104773074A (en) * | 2015-03-08 | 2015-07-15 | 赵新宇 | Double protection-based intelligent vehicle-mounted alcohol measurement and control device and measurement and control method |
| CN104773074B (en) * | 2015-03-08 | 2019-08-09 | 赵新宇 | A kind of intelligent vehicle-carried alcohol measure and control device and investigating method based on duplicate protection |
| CN105730234A (en) * | 2016-02-22 | 2016-07-06 | 沙洲职业工学院 | Control detection device for preventing people from drunken driving |
| CN106522665A (en) * | 2016-11-07 | 2017-03-22 | 东莞华南设计创新院 | Novel automobile part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20130621 |