CN201761369U - Car-mounted alcohol detecting device - Google Patents
Car-mounted alcohol detecting device Download PDFInfo
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- CN201761369U CN201761369U CN2010202260960U CN201020226096U CN201761369U CN 201761369 U CN201761369 U CN 201761369U CN 2010202260960 U CN2010202260960 U CN 2010202260960U CN 201020226096 U CN201020226096 U CN 201020226096U CN 201761369 U CN201761369 U CN 201761369U
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Abstract
The utility model provides a car-mounted alcohol detecting device, belonging to the technical field of electronics. The problems that the conventional car-mounted alcohol detecting device has low accuracy and causes safety accidents easily during detection are solved. The car-mounted alcohol detecting device comprises an alcohol detection sensor and an alcohol detection controller connected with an engine electronic control unit, wherein the alcohol detection sensor is connected with the alcohol detection controller and used for detecting the alcohol concentration in the air exhaled by a driver; the alcohol detection controller is further connected with a detector for detecting the alcohol detection action of a driver; after the alcohol detection action of the driver is detected by the detector, the alcohol detection controller triggers the alcohol detection sensor to detect alcohol; and the alcohol detection controller analyses and treats a detected signal obtained through feedback and then outputs a corresponding control signal to the engine electronic control unit to control the action of an engine. The car-mounted alcohol detecting device has the advantages of high detection accuracy and high use safety.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of alcohol concentration proving installation, particularly a kind of vehicle-mounted alcohol detecting device.
Background technology
Along with rapid growth of economy, the speed with millions of increases automobile pollution in China every year.Because navigating mate after drinking can't be to oneself carrying out actv. control, drunken driving happens occasionally, and consequent traffic accident is quite a few to be seen.According to statistics, the whole nation 50%～60% traffic accident is driven when intoxicated and is caused owing to chaufeur, and traffic department has issued that at this point new traffic law comes the heavy punishment personnel that drive when intoxicated, but still can not fundamentally stop to drive when intoxicated.
Drive when intoxicated in order to judge whether the driver belongs to, can detect the alcohol content of chaufeur usually.The hand-held alcohol detector of traffic policeman carries out the alcohol concentration detection to the driver of vehicular traffic on the present roadway more commonly, judge whether to exceed standard according to the height of alcoholic ingredient content in driver's breath, if surpass governing criterion, for guaranteeing traffic safety, the traffic police can stop car, and does respective handling.Though this kind alcohol test method can detect the situation whether driver has drink-driving, also can allow the drunken drivers have a misgiving.But still exist tangible deficiency, be that the traffic police can not detect one by one to the driver of all vehicles on the roadway, therefore still having the minority newspaper has the drunken drivers of idea of leaving things to chance to carry out drink-driving, can't fundamentally stop the driver and drive when intoxicated, and safety traffic hidden danger still exists.
For this reason, people have designed some and have been installed in the indoor alcohol detecting device of vehicular drive, and what have has also applied for patent.(its notification number is: CN200974470Y) as a kind of vehicle-mounted alcohol detection control apparatus that Chinese patent provided, it comprises alcohol detector, contactor, described alcohol detector is installed in the operator's compartment, be used to detect airborne alcohol, described alcohol detector is connected in series with contactor, and contactor is serially connected with in the automobile igniting circuit.Alcohol detector is installed in the operator's compartment, can the gas that chaufeur is breathed out be detected, as it is too high to detect alcohol content, then cuts off motor start circuit, and automobile can't be started.
The alcohol detecting device of other similar functions is also many, but detection mode has two kinds nothing more than: a kind of is to be similar to the traffic police equally the gaseous alcohol content that chaufeur is breathed out to be detected, another kind is the principle that alcohol can come out after utilizing chaufeur to drink, and alcohol content detects in the room air to driving.But all there is weak point in this dual mode: when the chaufeur breath is detected, owing to do not have personnel to supervise when detecting, caught this leak to avoid by chaufeur easily, chaufeur is being exhaled at a distance or is not being aimed at alcohol detector and exhale can avoid detecting and form the moving vehicle that starts; And when driving that alcohol content detects in the room air, distributing of alcohol of back has retardance and continuation because human body is drunk, alcohol content raises gradually in the driving room air, this will cause automobile when starting, and alcohol content is lower than criterion and can normally starts car in the driving room air.In the vehicle ' process, alcohol concentration raises and reaches the standard of outage in the denier air, then can take place to force outage to stop, and vehicle forces shutting engine down may cause bigger traffic accident under the situation of scorch.
Summary of the invention
The purpose of this utility model is not high at the accuracy of the existing detection of existing vehicle-mounted alcohol detecting device, and easily cause the problem of safety misadventure, and a kind of vehicle-mounted alcohol detecting device that can judge accurately whether chaufeur drinks has been proposed, can effectively stop the behavior of driving when intoxicated.
The purpose of this utility model can realize by following technical proposal: a kind of vehicle-mounted alcohol detecting device, comprise alcohol-detection sensor and the alcohol detection controller that links with engine electronic control unit, described alcohol-detection sensor and alcohol detection controller link, be used for detecting the alcohol concentration of chaufeur breath, it is characterized in that, also be connected with on the described alcohol detection controller and be used to survey the detector that chaufeur carries out the alcohol detection action, detector detects chaufeur carry out alcohol detection action after, trigger the alcohol-detection sensor by the alcohol detection controller and carry out alcohol detection, the output control signal corresponding was controlled the driving engine action to engine electronic control unit after the detection signal that the alcohol detection controller obtains feedback carried out analyzing and processing.
In above-mentioned a kind of vehicle-mounted alcohol detecting device, described detector is a microphone.Microphone is arranged on alcohol-detection sensor next door, and during microphone detects chaufeur when carrying out alcohol detection air blowing sound, the signal of sounding has carried out the alcohol detection action to show chaufeur for the alcohol detection controller.
In above-mentioned a kind of vehicle-mounted alcohol detecting device, described alcohol detection controller also links with automobile ignition switch, and described automobile ignition switch can send activation signal to activate the work of this vehicle-mounted alcohol detecting device.After key inserted ignition lock, automobile ignition switch sent activation signal and gives the alcohol detection controller, activates this vehicle-mounted alcohol detecting device and starts working.
In above-mentioned a kind of vehicle-mounted alcohol detecting device, also be connected with indicator lamp and annunciator on the described alcohol detection controller.
Compared with prior art, this vehicle-mounted alcohol detecting device can carry out alcohol screen test to chaufeur when automotive ignition, only just can successful start the engine under the situation that test is passed through, effectively suppress the behavior of driving when intoxicated.In addition, exclusive detector is set surveys chaufeur whether the alcohol detection of carrying out action is arranged, prevent that chaufeur from getting by under false pretences.
Description of drawings
Fig. 1 is the functional-block diagram of vehicle-mounted alcohol detecting device.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, this vehicle-mounted alcohol detecting device comprises alcohol detection controller, microphone, alcohol-detection sensor, indicator lamp and annunciator, described alcohol-detection sensor, microphone, indicator lamp and annunciator all are connected on the alcohol detection controller, and the alcohol detection controller also is connected with engine electronic control unit with automobile ignition switch.
When key inserted automobile ignition switch, automobile ignition switch sent activation signal to the alcohol detection controller, activates this vehicle-mounted alcohol detecting device and starts working, and the alcohol-detection sensor starts, and indicator lamp begins flicker simultaneously, and the prompting chaufeur carries out alcohol screen test.
Chaufeur carries out alcohol screen test for convenience, can be with the alcohol-detection transducer arrangements at steering wheel position, and microphone arrangement is on alcohol-detection sensor next door.When chaufeur was aimed at the air blowing of alcohol-detection sensor, the microphone that is arranged on alcohol-detection sensor next door promptly may detect the air blowing sound of chaufeur, shows that chaufeur is carrying out alcohol screen test.After the alcohol detection controller receives the aud. snl. of microphone transmission, can assert that the detection signal that receives from the alcohol-detection sensor this moment is authentic and valid detection signal, and after this detection signal carried out analyzing and processing, judge whether chaufeur belongs to drink-driving.
After chaufeur was by test, indicator lamp extinguished, and the alcohol detection controller sends and allows actuation signal to engine electronic control unit, start the engine.If chaufeur is not by test, then indicator lamp is accelerated flicker frequency, and driving engine can not start.
Sometimes, chaufeur is drunk, but has other occupants not drink on the car, the situation that the occupant that just might occur not drinking replaces chaufeur to blow and carry out alcohol screen test.In order to prevent that the occupant from replacing chaufeur to test, perhaps chaufeur comes start the engine by other means " deception " alcohol detection controller.Behind engine starting, alcohol detection controller may command alcohol-detection sensor carries out the alcohol concentration test to driving room air at set intervals, the characteristics that alcohol can continue to come out in the body when utilizing human body respiration judge further whether chaufeur belongs to drink-driving.In case alcohol-detection sensor alcohol concentration in the air exceeds standard, alcohol detection controller control indicator lamp and alarm work are carried out light and sound and are continued warning, and prompting chaufeur person stops to drive, up to the chaufeur shutting engine down, extract key, the side stop the warning.
Alcohol content exceeds standard in the air if detect in the driving back, the alcohol detection controller can not send semaphore request driving engine oil-break, just can not force chaufeur to stop,, force shutting engine down may cause bigger traffic accident because under the situation of scorch.
Owing to also can give out the accuracy that alcohol has influence on the alcohol-detection sensor after other occupants drink in the car, finally can disturb the judgement of alcohol detection controller.Therefore, behind the engine starting, because of adjust the standard that the alcohol detection controller is judged in good time.
Specific embodiment described herein only is that the utility model spirit is made casehistory.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (4)
1. vehicle-mounted alcohol detecting device, comprise alcohol-detection sensor and the alcohol detection controller that links with engine electronic control unit, described alcohol-detection sensor and alcohol detection controller link, be used for detecting the alcohol concentration of chaufeur breath, it is characterized in that, also be connected with on the described alcohol detection controller and be used to survey the detector that chaufeur carries out the alcohol detection action.
2. a kind of vehicle-mounted alcohol detecting device according to claim 1 is characterized in that described detector is a microphone.
3. a kind of vehicle-mounted alcohol detecting device according to claim 1 and 2 is characterized in that described alcohol detection controller also links with automobile ignition switch.
4. a kind of vehicle-mounted alcohol detecting device according to claim 1 and 2 is characterized in that, also is connected with indicator lamp and annunciator on the described alcohol detection controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202260960U CN201761369U (en) | 2010-06-14 | 2010-06-14 | Car-mounted alcohol detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202260960U CN201761369U (en) | 2010-06-14 | 2010-06-14 | Car-mounted alcohol detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201761369U true CN201761369U (en) | 2011-03-16 |
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ID=43713977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202260960U Expired - Fee Related CN201761369U (en) | 2010-06-14 | 2010-06-14 | Car-mounted alcohol detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201761369U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941811A (en) * | 2012-11-26 | 2013-02-27 | 张前前 | Automobile steering wheel capable of detecting alcohol concentration |
| CN104228580A (en) * | 2014-09-24 | 2014-12-24 | 重庆长安汽车股份有限公司 | Electronic device and control method for preventing drunken driving |
| CN104723877A (en) * | 2013-12-18 | 2015-06-24 | 王世华 | Drunk driving prohibition type steering wheel system |
| CN111497610A (en) * | 2020-04-28 | 2020-08-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted alcohol detection device and method |
-
2010
- 2010-06-14 CN CN2010202260960U patent/CN201761369U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102941811A (en) * | 2012-11-26 | 2013-02-27 | 张前前 | Automobile steering wheel capable of detecting alcohol concentration |
| CN104723877A (en) * | 2013-12-18 | 2015-06-24 | 王世华 | Drunk driving prohibition type steering wheel system |
| CN104228580A (en) * | 2014-09-24 | 2014-12-24 | 重庆长安汽车股份有限公司 | Electronic device and control method for preventing drunken driving |
| CN111497610A (en) * | 2020-04-28 | 2020-08-07 | 一汽奔腾轿车有限公司 | Vehicle-mounted alcohol detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110316 Termination date: 20140614 |
|
| EXPY | Termination of patent right or utility model |