CN109760554A - A kind of shared driver's alcohol detection system and detection method - Google Patents
A kind of shared driver's alcohol detection system and detection method Download PDFInfo
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- CN109760554A CN109760554A CN201910179198.7A CN201910179198A CN109760554A CN 109760554 A CN109760554 A CN 109760554A CN 201910179198 A CN201910179198 A CN 201910179198A CN 109760554 A CN109760554 A CN 109760554A
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Abstract
The invention discloses a kind of shared driver's alcohol detection system and detection methods, alcohol detector and acoustic-optic alarm are set on automobile center console, face identification system is set to roof above interior mirror, A/D converter, signal processing system, GSM/GPRS module is set in automobile middle control control box, automobile seat pressure sensor and alcohol detector are connected with A/D converter respectively, A/D converter is connect by data line with signal processing system, signal processing system by data line respectively with face identification system, GSM/GPRS module is connected with acoustic-optic alarm, signal processing system is connected with shared Automobile machine.It is directed to shared driver's identity uncertainty in the present invention and drunk driving occurs and causes traffic accident, accident responsibility is difficult to assert etc. that the problems such as automobile industry further develops is shared in influences, can according to testing result to shared automobile starting whether control, to prevent shared Drunken driving behavior, accomplish to detect in advance, prevent trouble before it happens.
Description
Technical field
The present invention relates to a kind of shared driver's alcohol detection system and detection method, it is related to shared automotive safety and drives
Sail field.
Background technique
Recently as the rise of shared automobile, a series of problems is also brought while giving common people's convenience.Such as drive
Subjectivity caused by the consciousness non-person ownership of multifarious and automobile of safe driving caused by the uncertainty of personnel is sailed to anticipate safely
Know decline, and compare private car, shared automobile drunk driving once occurs and causes traffic accident, in confirmation of responsibility, settlement of insurance claim etc.
Aspect can all generate further problems.Therefore, how to prevent shared Drunken driving, prevent trouble before it happens, to shared automobile industry into
The development of one step and the promotion of traffic safety level, suffer from significance.
Existing alcohol detecting device or scheme, to preventing drunk driving from playing positive effect, but in function and technology
There are certain limitations.It is a kind of subsequent detection for drunk driving itself if traffic police detects whether drunk driving using alcohol tester,
Its major function is that the subjective fright to driver acts on and convenient for accident responsibility identification etc.；And other some vehicle-mounted alcohols
There is some problems, such as device complexity, high expensive, easy wrong report (such as vapour in the specific implementation in test device or scheme
Oil) etc., limit its further genralrlization application.
It shares the rise of automobile and popularizes, requirements at the higher level on the one hand are proposed to the detection of driver's alcohol, on the other hand altogether
The pure electric vehicle dynamical system and vehicle device control system that automobile has are enjoyed, is also technically mentioned to carry out high-precision alcohol detection
Condition is supplied.
Summary of the invention
For shared driver's identity uncertainty and there is drunk driving initiation traffic accident, accident responsibility is difficult to recognize
Fixed that influences is waited to share the problems such as automobile industry further develops, the present invention proposes a kind of shared driver's alcohol detection system
And detection method, can according to testing result to shared automobile starting whether control, driven to prevent shared automobile wine
To accomplish to detect, prevent trouble before it happens in advance.
The technical solution mainly used in the present invention are as follows:
A kind of shared driver's alcohol detection system and detection method, including the detection of automobile seat pressure sensor, alcohol
Device, face identification system, A/D converter, signal processing system, GSM/GPRS module and acoustic-optic alarm, the automobile
Seating pressure sensor is set to below main driving seat, and the alcohol detector and acoustic-optic alarm are set to automobile center console
On, the face identification system is set to roof above interior mirror, the A/D converter, signal processing system,
GSM/GPRS module is set in automobile middle control control box, the automobile seat pressure sensor and alcohol detector respectively with A/
The input terminal of D converter is connected, and the output end of the A/D converter is connect by data line with signal processing system, the letter
Number processing system is controlled respectively with face identification system, GSM/GPRS module and acoustic-optic alarm by data line and is connected, institute
It states signal processing system and is connected by shared automobile CAN-bus with the vehicle system of shared automobile, the signal processing system is logical
GSM/GPRS module is crossed to connect with shared automobile rear server.
Preferably, the alcohol detector includes contact sensor, baroceptor and alcohol sensor, and the contact passes
Sensor is set between alcohol detector front end and inflatable mouth, and the inflatable mouth passes through the gas in tracheae and the alcohol detector
Body channel be connected, and the baroceptor and alcohol sensor are set to the gas passage in alcohol detector Nei and respectively with
A/D converter is connected.
Preferably, the critical value that flattens of the automobile seat pressure sensor is 30Kg, when to main driving seat application 30Kg
And its when above weight, high level is become by low level, sending flattens signal, and would be flattened out signal by A/D converter biography
It send to signal processing system.
A kind of detection method of shared driver's alcohol detection system, it is total using one kind described in claim 1-3
Driver's alcohol detection system is enjoyed to detect shared autoist, the specific steps are as follows:
Step 1: when driver's barcode scanning is opened the door and is taken one's seat, the automobile seat pressure sensor issues level signal, converts through A/D
Device is input to information processing system and is handled, and after confirmation is taken a seat, is carried out by signal processing system control face identification system
Face information acquisition, the i.e. acquisition of completion first time face information, and the face information of acquisition is sent to signal processing system；
Step 2: after completing the acquisition of first time face information, information processing system is issued by acoustic-optic alarm and is prompted, and
Driver is asked to carry out alcohol detection；
Step 3: driver takes out the inflatable mouth of alcohol detector from its installation site, the sensing contact of alcohol detector front end
Device issues high level signal and is transmitted to signal processing system after A/D converter, and then, driver blows to inflatable mouth, air pressure
Sensor detection atmospheric pressure value simultaneously passes to signal processing system after A/D converter is converted, and with it is pre- in signal processing system
If air pressure threshold value be compared；Meanwhile the alcohol sensor in alcohol detector detects the alcohol concentration in air-flow and through A/D
Converter, which is converted to, passes to signal processing system after alcohol concentration value, and with alcohol concentration preset in signal processing system
Threshold value comparison；When the atmospheric pressure value of baroceptor detection is lower than the alcohol concentration value that preset threshold value or alcohol sensor detect
When higher than preset threshold value, then signal processing system does not pass through, while being sounded an alarm by acoustic-optic alarm and passing through GSM/
GPRS module sends alarm message to shared automobile rear server, when the atmospheric pressure value of baroceptor detection is higher than preset threshold
When the alcohol concentration value that value and alcohol sensor detect is lower than preset threshold value, then signal processing system enters step 4；
Step 4: signal processing system is issued to face identification system and is instructed, and carries out second of face information acquisition, and by signal
Processing system compares the face information of second of acquisition and first time face information, if unanimously, signal processing system passes through,
And the qualified instruction of detection is issued to shared automobile vehicle device by CAN bus, and call vehicle device control function, pass through door contact interrupter control
Device processed opens other car doors, is electrically activated, while starting vehicle-mounted camera by starting controller, monitors subsequent drive the cross
Journey；If inconsistent, warned by acoustic-optic alarm；
Step 5: when automobile seat pressure sensor issues low level signal, then signal processing system is judged as that driver changes
People issues the instruction for re-starting face information and acquiring to face identification system immediately.
The utility model has the advantages that the present invention proposes a kind of shared driver's alcohol detection system and detection method, have as follows
Advantage:
(1) automobile seat pressure sensor, face identification system and alcohol detector collective effect, avoiding can in detection process
The corrupt practices such as the substitution air blowing that can occur, improve the confidence level of testing result；
(2) contact sensor, baroceptor and the alcohol sensor one integrated in alcohol detector works, and makes driver
Must completely and really complete entire blowing action, avoid blower do not blow or pretend blow etc. behaviors, while
It avoids and is reported by mistake caused by some special circumstances (as blower carries drinks), improve the accuracy of alcohol detection；
(3) signal processing system of the invention is both connected with acoustic-optic alarm and GSM/GPRS module, further through CAN bus
It is connected with shared Automobile machine, has had both to shared driver warning and to the information of shared automobile rear administrative staff
Feedback effect, and it is effectively utilized the vehicle system function of shared automobile, avoid detection system excessively complexity and to vapour
The excessive transformation of vehicle circuit.
(4) present invention can both control shared vapour by integrated with shared Automobile machine function according to alcohol testing result
Whether vehicle can start, and can be monitored in normal driving process to interior situation, realize shared driver's drunk driving
Detection in advance and real time monitoring.
Detailed description of the invention
Fig. 1 is the system block diagram of the shared driver's alcohol detection system of the present invention；
The present invention shares the alcohol detector schematic diagram of driver's alcohol detection system when Fig. 2；
Fig. 3 is the work flow diagram of the shared driver's alcohol detection system of the present invention.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below to the embodiment of the present application
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of embodiments of the present application,
Instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present application.
Further detailed description has been done to technical solution of the present invention with reference to the accompanying drawing:
As shown in Figure 1, a kind of shared driver's alcohol detection system and detection method, including automotive seat pressure sensing
Device, alcohol detector, face identification system, A/D converter, signal processing system, GSM/GPRS module and sound-light alarm dress
It sets, the automobile seat pressure sensor is set to below main driving seat, the alcohol detector and acoustic-optic alarm setting
In on automobile center console, the face identification system is set to roof above interior mirror, the A/D converter, letter
Number processing system, GSM/GPRS module are set in automobile middle control control box, the automobile seat pressure sensor and alcohol inspection
It surveys device to be connected with the input terminal of A/D converter respectively, the output end of the A/D converter passes through data line and signal processing system
Connection, the signal processing system by data line respectively with face identification system, GSM/GPRS module and acoustic-optic alarm
Control connection, the signal processing system are connected by shared automobile CAN-bus with the vehicle system of shared automobile, the signal
Processing system is connect by GSM/GPRS module with shared automobile rear server.
Preferably, as shown in Fig. 2, the alcohol detector includes contact sensor, baroceptor and alcohol sensor,
The contact sensor is set between alcohol detector front end and inflatable mouth, when inflatable mouth is contacted with alcohol detector, is connect
Transducers output low-level signal is touched, when blower takes out inflatable mouth, contact sensor issues high level signal and passes to
A/D converter, the inflatable mouth is connected by tracheae with the gas passage in the alcohol detector, and the baroceptor
It is set in the gas passage in alcohol detector with alcohol sensor and is connected respectively with A/D converter.
Preferably, the critical value that flattens of the automobile seat pressure sensor is 30Kg, when to main driving seat application 30Kg
And its when above weight, high level is become by low level, sending flattens signal, and would be flattened out signal by A/D converter biography
It send to signal processing system.
A kind of detection method of shared driver's alcohol detection system, it is total using one kind described in claim 1-3
It enjoys driver's alcohol detection system to detect shared autoist, as shown in Figure 3, the specific steps are as follows:
Step 1: when driver's barcode scanning is opened the door and is taken one's seat, when thering is driver to take one's seat on main driving seat, the automotive seat pressure
Sensor issues high level signal, is input to information processing system through A/D converter and is handled, after confirmation is taken a seat, by believing
Number processing system control face identification system carries out face information acquisition, i.e. the acquisition of completion first time face information, and will acquisition
Face information be sent to signal processing system；
Step 2: after completing the acquisition of first time face information, information processing system is issued by acoustic-optic alarm and is prompted, and
Driver is asked to carry out alcohol detection；
Step 3: driver takes out the inflatable mouth of alcohol detector from its installation site, the sensing contact of alcohol detector front end
Device issues high level signal and is transmitted to signal processing system after A/D converter, and then, driver blows to inflatable mouth, air pressure
Sensor detection atmospheric pressure value simultaneously passes to signal processing system after A/D converter is converted, and with it is pre- in signal processing system
If air pressure threshold value be compared；Meanwhile the alcohol sensor in alcohol detector detects the alcohol concentration in air-flow and through A/D
Converter, which is converted to, passes to signal processing system after alcohol concentration value, and with alcohol concentration preset in signal processing system
Threshold value comparison；When the atmospheric pressure value of baroceptor detection is lower than the alcohol concentration value that preset threshold value or alcohol sensor detect
When higher than preset threshold value, then signal processing system does not pass through, while being sounded an alarm by acoustic-optic alarm and passing through GSM/
GPRS module sends alarm message to shared automobile rear server, when the atmospheric pressure value of baroceptor detection is higher than preset threshold
When the alcohol concentration value that value and alcohol sensor detect is lower than preset threshold value, then signal processing system enters step 4；
Step 4: signal processing system is issued to face identification system and is instructed, and carries out second of face information acquisition, and by signal
Processing system compares the face information of second of acquisition and first time face information, if unanimously, signal processing system passes through,
And the qualified instruction of detection is issued to shared automobile vehicle device by CAN bus, and call vehicle device control function, pass through door contact interrupter control
Device processed opens other car doors, is electrically activated, while starting vehicle-mounted camera by starting controller, monitors subsequent drive the cross
Journey；If inconsistent, warned by acoustic-optic alarm；
Step 5: when automobile seat pressure sensor issues low level signal, then signal processing system is judged as that driver changes
People issues the instruction for re-starting face information and acquiring to face identification system immediately.
In the present invention, signal processing system is not only substituted in driver's detection process, and completes entire inspection of blowing
Survey process and in the case where being detected by alcohol, just can issue the qualified instruction of detection to shared automobile vehicle device by CAN bus, and
Vehicle device control function is called, other car doors are opened by door contact interrupter controller, by starting controller to electrically activating, are opened simultaneously
Dynamic vehicle-mounted camera, monitors subsequent driving procedure.In the detection process, if any one detection signal not over,
Signal processing system being sounded an alarm i.e. while by acoustic-optic alarm and passing through GSM/GPRS module and send out to shared automobile rear
Send alarm message.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of shared driver's alcohol detection system, which is characterized in that examined including automobile seat pressure sensor, alcohol
Survey device, face identification system, A/D converter, signal processing system, GSM/GPRS module and acoustic-optic alarm, the vapour
Vehicle seats pressure sensor is set to below main driving seat, and the alcohol detector and acoustic-optic alarm are set to automobile middle control
On platform, the face identification system is set to roof above interior mirror, the A/D converter, signal processing system,
GSM/GPRS module is set in automobile middle control control box, the automobile seat pressure sensor and alcohol detector respectively with A/
The input terminal of D converter is connected, and the output end of the A/D converter is connect by data line with signal processing system, the letter
Number processing system is controlled respectively with face identification system, GSM/GPRS module and acoustic-optic alarm by data line and is connected, institute
It states signal processing system and is connected by shared automobile CAN-bus with the vehicle system of shared automobile, the signal processing system is logical
GSM/GPRS module is crossed to connect with shared automobile rear server.
2. a kind of shared driver's alcohol detection system according to claim 1, which is characterized in that the alcohol inspection
Surveying device includes contact sensor, baroceptor and alcohol sensor, and the contact sensor is set to alcohol detector front end
Between inflatable mouth, the inflatable mouth is connected by tracheae with the gas passage in the alcohol detector, and the air pressure transmission
Sensor and alcohol sensor are set to the gas passage in alcohol detector Nei and are connected respectively with A/D converter.
3. a kind of shared driver's alcohol detection system according to claim 1, which is characterized in that the automotive seats
Chair pressure sensor flatten critical value be 30Kg, when to main driving seat apply 30Kg and its more than weight when, by low level
Become high level, issue the signal that flattens, and would be flattened out signal and be sent to signal processing system by A/D converter.
4. a kind of detection method of shared driver's alcohol detection system, which is characterized in that using described in claim 1-3
A kind of shared driver's alcohol detection system shared autoist is detected, the specific steps are as follows:
Step 1: when driver's barcode scanning is opened the door and is taken one's seat, the automobile seat pressure sensor issues level signal, converts through A/D
Device is input to information processing system and is handled, and after confirmation is taken a seat, is carried out by signal processing system control face identification system
Face information acquisition, the i.e. acquisition of completion first time face information, and the face information of acquisition is sent to signal processing system；
Step 2: after completing the acquisition of first time face information, information processing system is issued by acoustic-optic alarm and is prompted, and
Driver is asked to carry out alcohol detection；
Step 3: driver takes out the inflatable mouth of alcohol detector from its installation site, the sensing contact of alcohol detector front end
Device issues high level signal and is transmitted to signal processing system after A/D converter, and then, driver blows to inflatable mouth, air pressure
Sensor detection atmospheric pressure value simultaneously passes to signal processing system after A/D converter is converted, and with it is pre- in signal processing system
If air pressure threshold value be compared；Meanwhile the alcohol sensor in alcohol detector detects the alcohol concentration in air-flow and through A/D
Converter, which is converted to, passes to signal processing system after alcohol concentration value, and with alcohol concentration preset in signal processing system
Threshold value comparison；When the atmospheric pressure value of baroceptor detection is lower than the alcohol concentration value that preset threshold value or alcohol sensor detect
When higher than preset threshold value, then signal processing system does not pass through, while being sounded an alarm by acoustic-optic alarm and passing through GSM/
GPRS module sends alarm message to shared automobile rear server, when the atmospheric pressure value of baroceptor detection is higher than preset threshold
When the alcohol concentration value that value and alcohol sensor detect is lower than preset threshold value, then signal processing system enters step 4；
Step 4: signal processing system is issued to face identification system and is instructed, and carries out second of face information acquisition, and by signal
Processing system compares the face information of second of acquisition and first time face information, if unanimously, signal processing system passes through,
And the qualified instruction of detection is issued to shared automobile vehicle device by CAN bus, and call vehicle device control function, pass through door contact interrupter control
Device processed opens other car doors, is electrically activated, while starting vehicle-mounted camera by starting controller, monitors subsequent drive the cross
Journey；If inconsistent, warned by acoustic-optic alarm；
Step 5: when automobile seat pressure sensor issues low level signal, then signal processing system is judged as that driver changes
People issues the instruction for re-starting face information and acquiring to face identification system immediately.
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Cited By (3)
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| CN110281766A (en) * | 2019-07-22 | 2019-09-27 | 江苏常荣电器有限公司 | Contactless motor vehicle alcohol testing device and method based on dynamic human face identification |
| CN110281767A (en) * | 2019-07-22 | 2019-09-27 | 江苏常荣电器有限公司 | The anti-cheating drunk driving detection device and method of identity-based identification |
| CN110763851A (en) * | 2019-10-30 | 2020-02-07 | 汉威科技集团股份有限公司 | Airway zero-resetting type alcohol tester and detection method thereof |
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| CN110281766A (en) * | 2019-07-22 | 2019-09-27 | 江苏常荣电器有限公司 | Contactless motor vehicle alcohol testing device and method based on dynamic human face identification |
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