CN110530394A - System and method is monitored with driving when intoxicated for NB-IoT technology based on GPS navigation positioning - Google Patents
System and method is monitored with driving when intoxicated for NB-IoT technology based on GPS navigation positioning Download PDFInfo
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000012544 monitoring process Methods 0.000 claims abstract description 25
- 230000006854 communication Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 4
- 125000003158 alcohol group Chemical group 0.000 claims description 2
- 238000007689 inspection Methods 0.000 abstract description 11
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N33/483—Physical analysis of biological material
- G01N33/497—Physical analysis of biological material of gaseous biological material, e.g. breath
- G01N33/4972—Determining alcohol content
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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Abstract
System and method is monitored with driving when intoxicated for NB-IoT technology based on GPS navigation positioning the invention discloses a kind of, it include vehicle-mounted control terminal in monitoring system of driving when intoxicated, it include: alcohol concentration sensor in vehicle-mounted control terminal, the gas for being breathed out according to driver obtains alcohol concentration information；GPS module, for positioning the location information of vehicle；The master controller connecting respectively with alcohol concentration sensor and GPS module, the alcohol concentration information for being obtained according to alcohol concentration sensor judge the state of driver；When main control judges that driver is in drunk driving state, the driving status of vehicle is further judged according to the location information of vehicle；The NB-IoT module being connect with master controller, when master controller judges that vehicle is in driving status, alcohol concentration information and location information are sent to public security traffic network according to the instruction that master controller is sent, missing inspection present in drunk driving detection is effectively solved and examines the technical problems such as erroneous detection, human cost height, low efficiency late.
Description
Technical field
The present invention relates to monitoring technology field more particularly to it is a kind of based on GPS navigation positioning with NB-IoT technology after drinking
Drive monitoring system and method.
Background technique
It drives when intoxicated and refers to driving maneuver vehicle after driver drinks.In the process of moving, due to the anesthetic effect of alcohol,
The susceptibility of driver's trick tactile more usually reduces, thus can not normal control throttle, brake and steering wheel.In addition, driving
The judgement of member can reduce, and the time in reaction time and prepotential reflex movement to stimulations such as optoacoustics can extend, perceptron
Obstacle can occur for the cooperation function between official and locomotive organ (e.g., eye, hand, foot), can not correctly judge distance with this driver
And speed.Further more, the eyesight of driver has a degree of impaired after drinking, easily occur that video is unstable, chromatic discrimination power is insufficient
The case where, therefore cannot find and correctly understand traffic signals, mark and graticule, the dangerous hidden danger in vision periphery is difficult to
It was found that Yi Fasheng accident, therefore forbid to drive vehicle after drinking.
Currently, relevant departments have randomness for the inspection of drinking drive behavior, traffic-police joins according to artificial experience
According to factors such as vehicle flowrate, black spot, lighting conditions, drunk driving checkpoint is established, roadblock is set, vehicular traffic is cut
Stop, and driver is required to carry out breath tester.It is less than the driver of 20mg/100ml for the alcohol content in blood, gives and put
Row；More than or equal to 20mg/100ml, less than the driver of 80mg/100ml, be judged to drinking drive；It is more than or equal to
The driver of 80mg/100ml, is judged to drink-driving.
Traditional drunk driving inspection is with following deficiency: 1) checkpoint has randomness, often can not due to artificially checking
Control, there are missing inspection, examines miss detection late；2) need to call police strength, setting roadblock, and human cost is high, low efficiency；3) is for portion
The larger section of vehicle flowrate is divided traffic jam easily occur, so that driver feels exhausted with traffic police；4) relies on manual operation substantially,
Interconnectivity, Internet of Things degree be not high；5) easily causes drunk driver to be to hide punishment to generate too drastic action, and vehicle is caused to adjust by force
The serious behaviors such as head, punching card.
Summary of the invention
In view of the above shortcomings of the prior art, the present invention provides a kind of based on GPS navigation positioning and NB-IoT technology
It drives when intoxicated and monitors system and method, effectively solve missing inspection present in drunk driving detection and examine erroneous detection, human cost height, low efficiency late
Etc. technical problems.
To achieve the goals above, the invention is realized by the following technical scheme:
A kind of monitoring system of driving when intoxicated based on GPS navigation positioning and NB-IoT technology, including vehicle-mounted control terminal, institute
It states in vehicle-mounted control terminal and includes:
Alcohol concentration sensor, the gas for being breathed out according to driver obtain alcohol concentration information；
GPS module, for positioning the location information of vehicle；
The master controller being connect respectively with the alcohol concentration sensor and GPS module, for being sensed according to alcohol concentration
The alcohol concentration information that device obtains judges the state of driver；When master controller judges that driver is in drunk driving state, further
The driving status of vehicle is judged according to the location information of vehicle；
The NB-IoT module being connect with the master controller, when master controller judges that vehicle is in driving status, according to master
Alcohol concentration information and location information are sent to public security traffic network by the instruction that controller is sent.
GPS is often referred to simply as GPS, by the U.S. develop and safeguard satellite navigation system, technology at
It is ripe, low cost, high accuracy three-dimensional position, speed and essence can be provided for the user of the earth surface overwhelming majority regional (98%)
The navigation informations such as when determining.Having been carried out single machine navigation accuracy is about 10 meters, comprehensive positioning accuracy up to Centimeter Level and grade,
Meet the navigation and positioning in the present invention to vehicle position information.
Narrowband Internet of Things abbreviation NB-IoT is one emerging technology of internet of things field, supports low power consuming devices in wide area
The cellular data of net connects.NB-IoT supports stand-by time length, the efficient connection to network connectivity requirements higher device.Its structure
It is built in cellular network, the bandwidth of about 180kHz is only consumed, GSM network, UMTS network or LTE network can be deployed directly into, with
It reduces lower deployment cost, realize smooth upgrade.It also has that covering is wide, connection is more, at low cost, low in energy consumption, framework is excellent, anti-interference
The features such as good.
It is further preferred that further including the radio communication mold being connect with the master controller in the vehicle-mounted control terminal
Block；It further include vehicle-mounted display terminal in the monitoring system of driving when intoxicated, it is logical by the wireless communication module and master controller
Letter connection；
In the vehicle-mounted control terminal, wireless communication module sends location information according to the instruction that master controller is sent
To vehicle-mounted display terminal；Vehicle-mounted display terminal carries out local map planning path according to the location information received, and according to rule
The Route guiding driver drawn goes to nearest parking position or parking lot.
It is further preferred that in the vehicle-mounted control terminal, instruction that wireless communication module is sent according to master controller
Alcohol concentration information is sent to vehicle-mounted display terminal；
In the vehicle-mounted display terminal, after the alcohol concentration information for receiving the transmission of vehicle-mounted control terminal, judge to drive
Whether member is in drunk driving state, if so, further carrying out local map planning path, and root according to the location information received
Nearest parking position or parking lot are gone to according to the Route guiding driver of planning.
It is further preferred that further including the loudspeaker mould being connect with the master controller in the monitoring system of driving when intoxicated
Block, the instruction for being sent according to master controller issue warning, remind driver.
The present invention also provides a kind of monitoring methods of driving when intoxicated based on GPS navigation positioning and NB-IoT technology, comprising:
The gas that S1 breathes out driver is detected to obtain alcohol concentration information；
S2 judges whether driver is in drunk driving state according to the alcohol concentration information detected, if so, going to step
S3；
The location information of S3 acquisition vehicle；
S4 further judges whether vehicle is in driving status according to location information, if so, the S5 that gos to step；
Alcohol concentration information and location information are sent to public security traffic network by S5.
It is further preferred that after step s 5 further include:
Location information is sent to vehicle-mounted display terminal by S6；
S7 vehicle-mounted display terminal carries out local map planning path according to the location information received, and according to the road of planning
Diameter guidance driver goes to nearest parking position or parking lot.
It is further preferred that in step s 6, location information and alcohol concentration information are sent to vehicle-mounted display terminal；
Before step S7, further includes:
S8 judges whether driver is in drunk driving state according to the alcohol concentration information received, if so, going to step
S7。
It is further preferred that after step s 5 further include:
S9 issues warning, reminds driver.
It is provided by the invention that system and method is monitored with driving when intoxicated for NB-IoT technology based on GPS navigation positioning, it is driving
The phenomenon that before sailing, the alcohol concentration in driver's blood being monitored in time, avoiding the occurrence of missing inspection in the prior art, late inspection, and drive
During sailing, driver can stop and take multiple measurements, and guarantee the accuracy of measurement with this.By directly will test in the present invention
Equipment is installed in vehicle, and driver is independently detected in the car, and social police strength resource has obtained greatly saving, without setting
Roadblock is set, and once judgement driver is in drunk driving state and without parking intention, it is enough by relevant bits confidence by NB-IoT module
Public security traffic network is given in breath and the interaction of alcohol concentration information remote, in order to the interception of traffic-police, improves responding efficiency, delays
Manual inspection bring has been solved to have inconvenient traffic.In addition, detecting drunk driving to driver by the equipment that vehicle carries, gives and drive
Member's sufficient time, alleviate own self emotion, parking rest greatly reduces the probability and drunk driving accident probability of drunk driving.Finally, this
The hardware composition of invention is simple, and at low cost, used communication process is stablized, in conjunction with instantly popular technology of Internet of things, interaction
Property is strong, is conducive to public social stability.
Detailed description of the invention
In conjunction with attached drawing, and by reference to following detailed description, it will more easily have more complete understanding to the present invention
And its adjoint advantage and feature is more easily to understand, in which:
Fig. 1 is a kind of embodiment schematic diagram of monitoring system of driving when intoxicated in the present invention；
Fig. 2 is to drive when intoxicated to monitor system another embodiment schematic diagram in the present invention；
Fig. 3 is to drive when intoxicated to monitor system another embodiment schematic diagram in the present invention；
Fig. 4 is a kind of embodiment flow diagram of monitoring method of driving when intoxicated in the present invention；
Fig. 5 is monitoring method another embodiment flow diagram of driving when intoxicated in the present invention.
Appended drawing reference:
10- vehicle-mounted control terminal, 11- master controller, 12- alcohol concentration sensor, 13-GPS module, 14-NB-IoT mould
Block, 15- wireless communication module, 16- loudspeaker module, 20- vehicle-mounted display terminal.
Specific embodiment
To keep the contents of the present invention more clear and easy to understand, below in conjunction with Figure of description, the contents of the present invention are made into one
Walk explanation.Certainly the invention is not limited to the specific embodiment, general replacement known to those skilled in the art
It is included within the scope of protection of the present invention.
The present invention provides a kind of monitoring systems of driving when intoxicated based on GPS navigation positioning and NB-IoT technology, including vehicle
Controlling terminal is carried, in one embodiment, as shown in Figure 1, including: alcohol concentration sensor in the vehicle-mounted control terminal 10
12, GPS module 13, master controller 11 and NB-IoT module 14, alcohol concentration sensor 12, GPS module 13 and NB-IoT module
14 connect with master controller 11 respectively, and alcohol concentration sensor 12 is used to obtain alcohol concentration letter according to the gas that driver breathes out
Breath；GPS module 13 is used to position the location information of vehicle；Master controller 11 is used for the wine obtained according to alcohol concentration sensor 12
Smart concentration information judges the state of driver；When master controller 11 judges that driver is in drunk driving state, further according to vehicle
Location information judge the driving status of vehicle.When master controller 11 judges that vehicle is in driving status, NB-IoT module 14
Alcohol concentration information and location information are sent to public security traffic network according to the instruction that master controller 11 is sent.
Vehicle-mounted control terminal is the operation control system that broad sense is got on the car, in the present embodiment, vehicle-mounted control terminal 10
It further include being connect with automobile master controller 11 for obtaining current vehicle location information other than the basic function of control automobile
GPS module 13, connect with automobile master controller 11 for detecting the wine of alcohol concentration information in driver's exhaled gas
Smart concentration sensor 12 (being placed in above driver) and being used for of connect with automobile master controller 11 and the foundation of public security traffic network
The NB-IoT module 14 of communication connection.
When automobile starting, to power to vehicle-mounted control terminal 10, master controller 11 controls alcohol concentration sensor 12 and preheats, and
The gas of driver's exhalation is detected.Based on National Standard of the People's Republic of China " vehicle operator's blood, expiration wine
Smart content threshold value and inspection " regulation: as driver's blood alcohol concentration >=20mg/ml, assert driver's drunk driving.Based on this,
After alcohol concentration sensor 12 detects the alcohol concentration of driver beyond the standard, master controller 11 controls GPS module 13
Request instruction is sent in real time to GPS satellite terminal, and the location information of request current vehicle obtains GPS satellite terminal and returns
Packet after feed back to master controller 11 rapidly, master controller 11 carries out data parsing to the packet received, obtains and works as
Preceding location information (longitude and latitude).Later, master controller 11 further judges vehicle according to the location information obtained in real time
Operating status, when judging that driver's intention i.e. vehicle position information that do not stop is in variation always, master controller 11 with
I.e. the location information of the vehicle and alcohol concentration information are sent to public security traffic network by control NB-IoT module 14, with this, most
Close traffic-police, which can take an immediate action, carries out intercept process.When judging whether vehicle is in operating status, according to pre-
If whether the location information of vehicle has occurred variation and judged in the period, the time of preset time period does not do specific limit here
It is fixed, depending on actual conditions, such as it is set as 5s, 10s.
In one example, using in vehicle-mounted control terminal 10 fast is the iTOP4412 chip of company as master controller 11,
Control corresponding module is operated.Alcohol concentration sensor 12 uses MQ3 alcohol sensor, is a kind of gas sensor, work
Making voltage is direct current 5V, has very high sensitivity and good selectivity, analog output 0-5V voltage, second to alcohol vapour
Determining alcohol is higher, and analog output voltage is higher.It is made of miniature, ceramic tube, sensitive layer, measuring electrode and heater, is fixed on
In the cavity of plastics or stainless steel.It is alcohol concentration in exhaling, the wine being reconverted into blood that sensor is measured directly
Smart content concn.All moderate 8 A/D converter ADC0809 in precision, speed and price are selected to carry out simulation output.It rises
Just under clean air ambient, be powered preheating 10s or so, and setting sensor output voltage values are reference voltage, when sensor is examined
When measuring tested gas, the concentration of the every raising 0.1V of voltage, practical tested gas increase 20ppm (1ppm=1mg/kg=1mg/L
=1 × 10-6It is commonly used to indicate gas concentration), by the alcohol concentration detected in exhaled gas and setting drunk driving threshold values 20mg/ml
It compares, judges whether drunk driving.Furthermore MQ3 alcohol sensor also has a low cost, Portable belt, long-term service life and reliable
Stability the advantages that, be suitable for the present invention for the detection in time of motor vehicle driving personnel scene.
Above embodiment is improved to obtain present embodiment, in the present embodiment, as shown in Fig. 2, vehicle-mounted control
It include except alcohol concentration sensor 12, GPS module 13, master controller 11 and NB-IoT module 14, further including in terminal 10 processed
The wireless communication module 15 being connect with master controller 11；Monitoring system of driving when intoxicated includes except vehicle-mounted control terminal 10
Vehicle-mounted display terminal 20, module 15 and master controller 11 communicate to connect by wireless communication.
When automobile starting, to power to vehicle-mounted control terminal 10, master controller 11 controls alcohol concentration sensor 12 and preheats, and
The gas of driver's exhalation is detected.When alcohol concentration sensor 12 detects the alcohol concentration of driver beyond 20mg/
After ml, master controller 11 controls GPS module 13 and sends request instruction in real time to GPS satellite terminal, request current vehicle
Location information feeds back to rapidly master controller 11 after obtaining the packet that GPS satellite terminal returns, and master controller 11 is to receiving
Packet carry out data parsing, obtain current location information (longitude and latitude).Later, master controller 11 according to obtaining in real time
The location information taken further judges the operating status of vehicle, when judge driver do not stop intention i.e. vehicle position information begin
Eventually in variation, master controller 11 controls NB-IoT module 14 for the location information of the vehicle and alcohol concentration information immediately
It is sent to public security traffic network, with this, nearest traffic-police, which can take an immediate action, carries out intercept process.Later, pass through nothing
Vehicle position information and alcohol concentration information are sent to vehicle-mounted display terminal by line communication module 15 (e.g., WiFi module) in real time
20.After vehicle-mounted display terminal 20 receives the alcohol concentration information of the transmission of vehicle-mounted control terminal 10, judge whether driver is in
Drunk driving state, if so, further carrying out local map planning path according to the location information received, and according to the road of planning
Diameter guidance driver goes to nearest parking position or parking lot, and driver, which is stopped, to rest.If testing result is displayed without drunk driving,
Vehicle position information is then sent to vehicle-mounted display terminal 20 in real time only by wireless communication module 15, display terminal is in local
It is got ready on map and shows the vehicle position and planning driving path.In one example, vehicle-mounted display terminal 20 is Android plate
Display.
Above embodiment is improved to obtain present embodiment, in the present embodiment, as shown in figure 3, vehicle-mounted control
It include alcohol concentration sensor 12, GPS module 13, master controller 11, B-IoT module 14 and wireless communication module in terminal 10 processed
It further include the loudspeaker module 16 being connect with master controller 11 except 15, the instruction for being sent according to master controller 11 issues
Driver is reminded in warning.
When automobile starting, to power to vehicle-mounted control terminal 10, master controller 11 controls alcohol concentration sensor 12 and preheats, and
The gas of driver's exhalation is detected.When alcohol concentration sensor 12 detects the alcohol concentration of driver beyond 20mg/
After ml, master controller 11 controls GPS module 13 and sends request instruction in real time to GPS satellite terminal, request current vehicle
Location information feeds back to rapidly master controller 11 after obtaining the packet that GPS satellite terminal returns, and master controller 11 is to receiving
Packet carry out data parsing, obtain current location information (longitude and latitude).Later, master controller 11 according to obtaining in real time
The location information taken further judges the operating status of vehicle, when judge driver do not stop intention i.e. vehicle position information begin
Eventually in variation, master controller 11 controls NB-IoT module 14 for the location information of the vehicle and alcohol concentration information immediately
It is sent to public security traffic network, with this, nearest traffic-police, which can take an immediate action, carries out intercept process.Then, loudspeaker
Module 16, which sounds an alarm, reminds driver's drunk driving, supervises driver to stop as early as possible, takes care.Later, mould by wireless communication
Vehicle position information and alcohol concentration information are sent to vehicle-mounted display terminal 20 by block 15 (e.g., WiFi module) in real time.It is vehicle-mounted aobvious
After showing the alcohol concentration information that terminal 20 receives the transmission of vehicle-mounted control terminal 10, judge whether driver is in drunk driving state,
If so, further carrying out local map planning path according to the location information received, and driven according to the Route guiding of planning
The person of sailing goes to nearest parking position or parking lot, and driver, which is stopped, to rest.If testing result is displayed without drunk driving, only lead to
It crosses wireless communication module 15 and vehicle position information is sent to vehicle-mounted display terminal 20 in real time, display terminal is beaten in local map
Point shows the vehicle position and planning driving path.
The present invention also provides a kind of monitorings of driving when intoxicated based on GPS navigation positioning and NB-IoT technology as shown in Figure 4
Method, comprising:
The gas that S1 breathes out driver is detected to obtain alcohol concentration information；
S2 judges whether driver is in drunk driving state according to the alcohol concentration information detected, if so, going to step
S3；
The location information of S3 acquisition vehicle；
S4 further judges whether vehicle is in driving status according to location information, if so, the S5 that gos to step；
Alcohol concentration information and location information are sent to public security traffic network by S5.
In the present embodiment, vehicle-mounted control terminal further includes and automobile master control other than the basic function of control automobile
The GPS module for obtaining current vehicle location information of device connection processed, the detection that is used for connecting with automobile master controller drive
The alcohol concentration sensor (be placed in driver above) of alcohol concentration information in member's exhaled gas and connect with automobile master controller
The NB-IOT module for being communicated to connect with the foundation of public security traffic network connect.
When automobile starting, power to vehicle-mounted control terminal, the preheating of main controller controls alcohol concentration sensor, and to driving
The gas of member's exhalation is detected.Based on National Standard of the People's Republic of China " vehicle operator's blood, breath alcohol concentration
Threshold value and inspection " regulation: as driver's blood alcohol concentration >=20mg/ml, assert driver's drunk driving.Based on this, work as alcohol
Concentration sensor detects the alcohol concentration of driver beyond after the standard, and main controller controls GPS module is to GPS satellite terminal
In real time send request instruction, the location information of request current vehicle, obtain GPS satellite terminal return packet after rapidly
Feed back to master controller, master controller carries out data parsing to the packet received, obtain current location information (longitude and
Latitude).Later, master controller further judges the operating status of vehicle according to the location information obtained in real time, when judgement drives
Member is in variation always without parking intention, that is, vehicle position information, and master controller controls NB-IoT module for the vehicle immediately
Location information and alcohol concentration information be sent to public security traffic network, with this, nearest traffic-police can take row immediately
It is dynamic to carry out intercept process.When judging whether vehicle is in operating status, the location information according to vehicle in preset time period is
No variation has occurred to be judged, the time of preset time period is not specifically limited here, depending on actual conditions, is such as set as
5s, 10s etc..In one example, using in vehicle-mounted control terminal fast is the iTOP4412 chip of company as master controller, control
Corresponding module is operated.
Above embodiment is improved to obtain present embodiment, in the present embodiment, as shown in figure 5, driving after drinking
Sail monitoring method, comprising:
The gas that S1 breathes out driver is detected to obtain alcohol concentration information；
S2 judges whether driver is in drunk driving state according to the alcohol concentration information detected, if so, going to step
S3；
The location information of S3 acquisition vehicle；
S4 further judges whether vehicle is in driving status according to location information, if so, the S5 that gos to step；
Alcohol concentration information and location information are sent to public security traffic network by S5；
Location information is sent to vehicle-mounted display terminal by S6；
S8 judges whether driver is in drunk driving state according to the alcohol concentration information received, if so, going to step
S7；
S7 vehicle-mounted display terminal carries out local map planning path according to the location information received, and according to the road of planning
Diameter guidance driver goes to nearest parking position or parking lot.
When automobile starting, power to vehicle-mounted control terminal, the preheating of main controller controls alcohol concentration sensor, and to driving
The gas of member's exhalation is detected.After alcohol concentration sensor detects the alcohol concentration of driver beyond 20mg/ml, master control
Device processed controls GPS module and sends request instruction in real time to GPS satellite terminal, and the location information of request current vehicle obtains
Master controller is fed back to after the packet that GPS satellite terminal returns rapidly, master controller carries out data to the packet received
Parsing, obtains current location information (longitude and latitude).Later, master controller is further according to the location information obtained in real time
The operating status for judging vehicle, when judging that driver's intention i.e. vehicle position information that do not stop is in variation always, master control
Device processed controls NB-IoT module immediately and the location information of the vehicle and alcohol concentration information is sent to public security traffic network, with
This, nearest traffic-police, which can take an immediate action, carries out intercept process.Later, module (e.g., WiFi mould by wireless communication
Block) vehicle position information and alcohol concentration information be sent to vehicle-mounted display terminal in real time.Vehicle-mounted display terminal receives vehicle-mounted
After the alcohol concentration information that controlling terminal is sent, judge whether driver is in drunk driving state, if so, further according to reception
The location information that arrives carries out local map planning path, and according to the Route guiding driver of planning go to nearest parking position or
Parking lot, driver, which is stopped, to rest.If testing result is displayed without drunk driving, only by wireless communication module by vehicle position
Confidence breath is sent to vehicle-mounted display terminal in real time, and display terminal is got ready in local map shows the vehicle position and driving
Path.In one example, vehicle-mounted display terminal is Android flat-panel monitor.
Above embodiment is improved to obtain present embodiment, in the present embodiment, monitoring method of driving when intoxicated,
Include:
The gas that S1 breathes out driver is detected to obtain alcohol concentration information；
S2 judges whether driver is in drunk driving state according to the alcohol concentration information detected, if so, going to step
S3；
The location information of S3 acquisition vehicle；
S4 further judges whether vehicle is in driving status according to location information, if so, the S5 that gos to step；
Alcohol concentration information and location information are sent to public security traffic network by S5；
S9 issues warning, reminds driver；
Location information is sent to vehicle-mounted display terminal by S6；
S8 judges whether driver is in drunk driving state according to the alcohol concentration information received, if so, going to step
S7；
S7 vehicle-mounted display terminal carries out local map planning path according to the location information received, and according to the road of planning
Diameter guidance driver goes to nearest parking position or parking lot.
When automobile starting, power to vehicle-mounted control terminal, the preheating of main controller controls alcohol concentration sensor, and to driving
The gas of member's exhalation is detected.Based on National Standard of the People's Republic of China " vehicle operator's blood, breath alcohol concentration
Threshold value and inspection " regulation: as driver's blood alcohol concentration >=20mg/ml, assert driver's drunk driving.Based on this, work as alcohol
Concentration sensor detects the alcohol concentration of driver beyond after the standard, and main controller controls GPS module is to GPS satellite terminal
In real time send request instruction, the location information of request current vehicle, obtain GPS satellite terminal return packet after rapidly
Feed back to master controller, master controller carries out data parsing to the packet received, obtain current location information (longitude and
Latitude).Later, master controller further judges the operating status of vehicle according to the location information obtained in real time, when judgement drives
Member is in variation always without parking intention, that is, vehicle position information, and master controller controls NB-IoT module for the vehicle immediately
Location information and alcohol concentration information be sent to public security traffic network, with this, nearest traffic-police can take row immediately
It is dynamic to carry out intercept process.When judging whether vehicle is in operating status, the location information according to vehicle in preset time period is
No variation has occurred to be judged, the time of preset time period is not specifically limited here, depending on actual conditions, is such as set as
5s, 10s etc..In one example, using in vehicle-mounted control terminal fast is the iTOP4412 chip of company as master controller, control
Corresponding module is operated.
Claims (8)
1. a kind of monitoring system of driving when intoxicated based on GPS navigation positioning and NB-IoT technology, which is characterized in that including vehicle-mounted control
Terminal processed includes: in the vehicle-mounted control terminal
Alcohol concentration sensor, the gas for being breathed out according to driver obtain alcohol concentration information；
GPS module, for positioning the location information of vehicle；
The master controller being connect respectively with the alcohol concentration sensor and GPS module, for being obtained according to alcohol concentration sensor
The alcohol concentration information arrived judges the state of driver；When master controller judges that driver is in drunk driving state, further basis
The location information of vehicle judges the driving status of vehicle；
The NB-IoT module being connect with the master controller, when master controller judges that vehicle is in driving status, according to main control
Alcohol concentration information and location information are sent to public security traffic network by the instruction that device is sent.
2. driving when intoxicated monitoring system as described in claim 1, which is characterized in that further include in the vehicle-mounted control terminal with
The wireless communication module of the master controller connection；Further include vehicle-mounted display terminal in the monitoring system of driving when intoxicated, passes through
The wireless communication module and master controller communicate to connect；
In the vehicle-mounted control terminal, location information is sent to vehicle according to the instruction that master controller is sent by wireless communication module
Carry display terminal；Vehicle-mounted display terminal carries out local map planning path according to the location information received, and according to planning
Route guiding driver goes to nearest parking position or parking lot.
3. monitoring system of driving when intoxicated as claimed in claim 2, which is characterized in that
In the vehicle-mounted control terminal, the instruction that wireless communication module is sent according to master controller sends alcohol concentration information
To vehicle-mounted display terminal；
In the vehicle-mounted display terminal, after the alcohol concentration information for receiving the transmission of vehicle-mounted control terminal, judge that driver is
It is no to be in drunk driving state, if so, further carrying out local map planning path according to the location information received, and according to rule
The Route guiding driver drawn goes to nearest parking position or parking lot.
4. the monitoring system of driving when intoxicated as described in claims 1 or 2 or 3, which is characterized in that the monitoring system of driving when intoxicated
In further include the loudspeaker module being connect with the master controller, instruction for being sent according to master controller issues warning, mentions
Wake up driver.
5. a kind of monitoring method of driving when intoxicated based on GPS navigation positioning and NB-IoT technology characterized by comprising
The gas that S1 breathes out driver is detected to obtain alcohol concentration information；
S2 judges whether driver is in drunk driving state according to the alcohol concentration information detected, if so, the S3 that gos to step；
The location information of S3 acquisition vehicle；
S4 further judges whether vehicle is in driving status according to location information, if so, the S5 that gos to step；
Alcohol concentration information and location information are sent to public security traffic network by S5.
6. monitoring method of driving when intoxicated as claimed in claim 5, which is characterized in that after step s 5 further include:
Location information is sent to vehicle-mounted display terminal by S6；
S7 vehicle-mounted display terminal carries out local map planning path according to the location information received, and is drawn according to the path of planning
It leads driver and goes to nearest parking position or parking lot.
7. monitoring method of driving when intoxicated as claimed in claim 6, which is characterized in that
In step s 6, location information and alcohol concentration information are sent to vehicle-mounted display terminal；
Before step S7, further includes:
S8 judges whether driver is in drunk driving state according to the alcohol concentration information received, if so, the S7 that gos to step.
8. the monitoring method of driving when intoxicated as described in claim 5 or 6 or 7, which is characterized in that after step s 5 further include:
S9 issues warning, reminds driver.
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Application publication date: 20191203 |