CN209454566U - A kind of intelligence Drunk-driving-prevendevice device - Google Patents
A kind of intelligence Drunk-driving-prevendevice device Download PDFInfo
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- CN209454566U CN209454566U CN201920033825.1U CN201920033825U CN209454566U CN 209454566 U CN209454566 U CN 209454566U CN 201920033825 U CN201920033825 U CN 201920033825U CN 209454566 U CN209454566 U CN 209454566U
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Abstract
The utility model belongs to automobile technical field, specifically a kind of intelligent Drunk-driving-prevendevice device.The device includes shell and drunk-driving prevention system；Circular hole and square hole are provided on shell；System includes control module, power supply module, power management module, driver's cabin detection module, alarm module, relay module, GSM and GPS module, liquid crystal display and alcohol detection module；Power supply module is connected with power management module；Power management module is connected with control module；Driver's cabin detection module, alarm module, GSM and GPS module, liquid crystal display are connected with control module；Alcohol detection module and control module pass through WiFi communication；Relay module is connected with gasoline solenoid valve, passes through WiFi communication with control module.Whether the utility model active detecting driver can drink in the car, control gasoline solenoid valve, prevent driver from driving when intoxicated, and can also send short message and vehicle GPS information to household or the police, fundamentally solve driver and drive when intoxicated the generation of behavior.
Description
Technical field
The utility model belongs to automobile technical field, specifically a kind of intelligent Drunk-driving-prevendevice device.
Background technique
The automobile of importance raising increasingly with to(for) human lives, automobile become in people's Working Life can not or
Scarce convenient, the quick vehicles of one kind.Although automobile brings convenience to the mankind, also bring many dangerous
Factor, especially driver this problem of driving when intoxicated are increasingly severe." the road safety whole world status report issued according to WHO
Accuse " (GLOBAL STATUS REPORT ON ROAD SAFETY) display leads to the whole world every year at least due to traffic accident
There are 1,270,000 people dead.Wherein, traffic accident Zhan is total caused by driving when intoxicated 50%~60%.Only 34 countries (represent 21
Hundred million populations) have the law of driving when intoxicated for meeting best practice.It is counted according to the Ministry of Public Security, festivals or holidays, important competitive sports active stage
Between and summer be to drive when intoxicated illegal activities with respect to the high-incidence season.2014 during spring transportation, and all parts of the country have been carried out 4.5 ten thousand times altogether
Drunk driving inspection, number just up to more than 1100 of average daily drunk driving, drink-driving is up to 6900 unexpectedly.In 2016
It is average to check 44.7 ten thousand, automobile daily during the Europe Cup of the only one moon.During match, there is 92,000 to drive when intoxicated,
12,000 drink-drivings.The quantity driven when intoxicated is so huge, caused by traffic safety hidden danger can not despise, drive when intoxicated
It is a urgent problem to be solved.
Existing drunk-driving prevention system has some shortcomings.Chinese patent application publication No. CN108297689A, application are public
Cloth day is the 2018.07.20 entitled a kind of safety detection method and system of vehicle drunk-driving prevention, the detection method of the system are as follows:
Obtain the gas information that user is blown into acquisition equipment；Judge whether gas information is more than preset threshold；If so, disconnecting combustion
Oil pump power supply；If it is not, being then closed fuel oil pumping source.Wherein, which installs gas production mouth additional, and driver, which gets on the bus, to blow gas production mouth
Gas could start automobile, this makes device volume become larger, and operation can be made to become more complicated.
Chinese patent application publication No. CN107891747A, data of publication of application are a kind of entitled intelligence of 2018.04.10
Energy drunk-driving prevention prior-warning device and method, judge whether main driving position has driver using pressure sensor.However it only uses
Pressure sensor has certain error, if it is considered that placed some weights on seat weight itself or seat, can lead
Cause erroneous judgement.
China Patent Publication No. CN106926696A, publication date are a kind of entitled drunk-driving prevention system use of 2017.07.07
Infrared sensor detects driver.But human body infrared inductive pick-up is easy to be interfered by environmental factor.Such as interior hair
The heat sources such as motivation, exhaust pipe, the light sources such as instrument board, driver's cabin ceiling light can all make sensor generate error.When the temperature of environment connects
When person of modern times's temperature, detectability and sensitivity can be significantly reduced, and sometimes result in short duration failure.To the closed loop of summer car
For border, high temperature is inevitable, and vehicle interior temperature can easily exceed body temperature, and human body is not only not heat source, for environment
Cold source has been had changed into fact, and human body infrared inductive pick-up can not almost detect.And car is also inevitably by sunlight
The influence of direct projection, this also will cause extremely serious interference to human body infrared inductive pick-up, causes to judge by accident.
Summary of the invention
The utility model provides a kind of simple, safe, the intelligent Drunk-driving-prevendevice device of structure, solves driver and drives after drinking
The problem of sailing.
Technical solutions of the utility model are described with reference to the drawings as follows:
The device includes the drunk-driving prevention system of shell 1 and setting within the case 1；The positive left side of shell 1 is upper and lower
It is provided with the first circular hole 2 and the second circular hole 3；The first square hole 4 is provided among the positive right side of shell 1；The shell 1
Side is provided with the second square hole 5 of USB charging；The drunk-driving prevention system includes control module, power supply module, power management mould
Block, driver's cabin detection module, alarm module, relay module, GSM and GPS module, liquid crystal display and alcohol detection module；
The power supply module is connected with power management module, and lasting voltage input is provided to control module；The power management
The end VCC and the end GND of module and control module are connected directly, and the voltage of power supply module is controlled in 5V, is provided for control module
Stable input voltage；The driver's cabin detection module is connected with control module, sends driver's cabin information to control module；
The alarm module is connected with control module, and control module output order makes its alarm to alarm module；The GSM and
GPS module is connected with control module, detects automobile GPS information by control module output order and sends short message；The liquid
Crystal display screen is mounted in the first square hole 4, is connected with control module, and the instruction of control module is received；The alcohol detection
Module shares 5, itself includes WiFi module, is communicated by WiFi and control module；The relay module and gasoline electricity
The connecting terminal of magnet valve is connected, and with control module by WiFi communication, control module transmits commands to relay, and controls
The on-off of relay.
The control module is located at bridge instrumentation platform center, is the single-chip microcontroller and crystal oscillator by model STC12C5A60S2
The minimum system of circuit, reset circuit composition；The crystal oscillating circuit is connected with the 18th, 19, No. 20 pin of single-chip microcontroller, to single
Piece machine provides required clock signal；The reset circuit is connected with No. 9 pin of single-chip microcontroller.
The power supply module is made of solar panel 6, USB charging module and rechargeable battery；The solar energy
Solar panel 6 is connected directly with rechargeable battery；The USB charging module is connected directly with rechargeable battery, with solar panel 6
It is in parallel；The top of shell 1 is arranged in the solar panel 6.
The power management module is LM7805 chip.
The driver's cabin detection module is made of acceleration transducer, pressure sensor, microwave radar sensor；Wherein
The acceleration transducer is connected with control module, integrated on a circuit board with control module；The pressure sensing
Device is located inside pilot set, passes through WiFi communication with control module；The microwave radar sensor model number is
The VCC of RCWL-9196, Vin pin link control module, OUT foot are connected with the base stage of a triode, with control
Module is integrated on a circuit board.
The alarm module is made of alarm lamp and voice alarm module；The alarm lamp and single-chip microcontroller
P13 pin is connected, and integrates on one piece of circuit board with control module；The voice alarm module model ISD1820,
It is connected with single-chip microcontroller P13 pin, is integrated on one piece of circuit board with control module；The alarm lamp is mounted on first
In circular hole 2；The voice alarm module is mounted in the second circular hole 3.
The GSM and GPS module uses SIM808 module；The GSM and No. 1 pin of GPS module connect power supply line, and 4
Number pin ground line, No. 2 ends RxD and TxD for connecing single-chip microcontroller respectively with No. 3 pins.
The alcohol detection module is the alcohol sensor with wifi；The alcohol sensor shares 5,5
Alcohol sensor be respectively arranged in steering wheel 7, copilot instrument board 8, chief aviation pilot's backrest 9, passenger seat chair back 10,
Roof of the vehicle posterior central 11, and pass through WiFi communication with control module.
The relay module is the relay with WiFi.
The utility model has the following beneficial effects:
Whether acceleration transducer detection vehicle is in on-position first, and system opens power saving if being kept in motion
Mode, into dormant state, power consumption at this time is only 0.5mW, and power consumption is lower.If being in on-position, pressure sensing is triggered
Whether device and microwave radar sensor double check driver's cabin have driver.Trigger alcohol sensor if detecting driver, 5
A alcohol sensor detects interior alcohol concentration simultaneously, is communicated by WiFi module and main control chip.When driver passes through alcohol
After test passes, intelligent Drunk-driving-prevendevice device side can permit driver actuation.If detecting, alcohol concentration is most at main driving
Height is then determined as that driver has drunk.Alarm lamp flashes at this time；Voice cue module is reminded: " please don't drive when intoxicated "；Liquid
Crystal display screen shows driver's alcohol concentration at this time, and display " please don't drive when intoxicated " printed words；Relay module disconnects vapour
Vehicle oil circuit, prevents automobile from starting；GSM and GPS module send short message to household or the police, and short message content includes driver at this time
Alcohol content and the GPS information of vehicle at this time.This system also solves a kind of situation, if driver's drinking too much, does not know
Road oneself position at this time is easy to appear accident in closed environment in the car, and GSM and GPS module can give related personnel at this time
Vehicle position information is sent, related personnel can be made to quickly find driver, driver is avoided unexpected situation occur.This system energy
It is enough real technically it is possible to prevente effectively from the case where driver drives when intoxicated.This system is detected according to alcohol sensor
The whether exceeded on-off to control gasoline solenoid valve of alcohol content of driver, the oil circuit of automobile is disconnected if exceeded so that
Driver can not start vehicle, the generation for the phenomenon that fundamentally prevented to drive when intoxicated.Intelligent Drunk-driving-prevendevice device has energy conservation effect
The advantages that fruit is good, and cost performance is high, high system safety, and intelligence degree is high, stable and reliable in work.Intelligent Drunk-driving-prevendevice device can be with
Whether active detecting driver has drunk in the car, can control gasoline solenoid valve, prevents driver from driving when intoxicated.Meanwhile it filling
Short message and vehicle GPS information can be sent to household or the police by setting, and be driven when intoxicated row to fundamentally solve driver
For generation.This system can be monitored in real time, and eliminate the idea of leaving things to chance that driver drives when intoxicated, and reduces traffic police and investigates and prosecutes drunk driving
Work difficulty reduces the investment of society human material resources in traffic maintenance work.
Detailed description of the invention
Fig. 1 is shell structure schematic front view in the utility model；
Fig. 2 is the left view schematic diagram of shell structure in the utility model；
Fig. 3 is the schematic top plan view of shell structure in the utility model；
Fig. 4 is the alcohol sensor location map in the utility model；
Fig. 5 is the general structure schematic diagram of the drunk-driving prevention system in the utility model；
Fig. 6 is the work flow diagram of the utility model.
In figure: 1, shell；2, the first circular hole；3, the second circular hole；4, first hole；5, second hole；6, solar battery
Plate；7, steering wheel；8, copilot instrument board；9, chief aviation pilot's backrest；10, passenger seat chair back；11, roof of the vehicle
Posterior central.
Specific embodiment
Refering to fig. 1-Fig. 5, a kind of intelligence Drunk-driving-prevendevice device, the device include the anti-wine of shell 1 and setting within the case 1
Drive system；The positive left side of shell 1 is provided with the first circular hole 2 and the second circular hole 3 above and below；The positive right side of shell 1
The first square hole 4 is provided among side；1 side of shell is provided with the second square hole 5 of USB charging；The drunk-driving prevention system
System include control module, power supply module, power management module, driver's cabin detection module, alarm module, relay module, GSM and
GPS module, liquid crystal display and alcohol detection module；The power supply module is connected with power management module, gives control module
Lasting voltage input is provided；The end VCC and the end GND of the power management module and control module are connected directly, and will be powered
The voltage of module is controlled in 5V, and stable input voltage is provided for control module；The driver's cabin detection module and control mould
Block is connected, and sends driver's cabin information to control module；The alarm module is connected with control module, and control module output refers to
Enabling makes its alarm to alarm module；The GSM and GPS module is connected with control module, is examined by control module output order
It surveys automobile GPS information and sends short message；The liquid crystal display is mounted in the first square hole 4, is connected with control module, is connect
By the instruction of control module；The alcohol detection module shares 5, itself includes WiFi module, passes through WiFi and control mould
Block communication；The relay module is connected with the connecting terminal of gasoline solenoid valve, passes through WiFi communication, control with control module
Module transmits commands to relay, and controls the on-off of relay.
The control module is located at bridge instrumentation platform center, is by model STC12C5A60S2 in a shell
Single-chip microcontroller and crystal oscillating circuit, reset circuit form minimum system；The crystal oscillating circuit and single-chip microcontroller the 18th, 19,20
Number pin is connected, the clock signal needed for giving single-chip microcontroller to provide；The reset circuit is connected with No. 9 pin of single-chip microcontroller.
Power on, reset key is not pressed, and power supply makes the voltage at the both ends capacitor C1 reach 5V to capacitor charging.It gives
No. 9 pin input low level of single-chip microcontroller, single-chip microcontroller work normally.When pressing reset key, the electricity in parallel with capacitor C1
Road conducting, capacitor is by conducting wire short circuit, the energy stored before release.By the time of 0.1s, the voltage that capacitor release stores,
Both end voltage is about 1.5V.Capacitor is in series with a resistor, and capacitor both end voltage is equal to 5V plus resistance both end voltage.Resistance two at this time
The voltage at end is about 3.5V, No. 9 pin input high level of single-chip microcontroller.Single-chip microcontroller automatically resets, from the beginning program executes.
The power supply module is made of solar panel 6, USB charging module and rechargeable battery；The solar energy
Solar panel 6 is connected directly with rechargeable battery；The USB charging module is connected directly with rechargeable battery, with solar panel 6
It is in parallel.The end VCC, GND of the power supply module and power management module is connected directly, and gives control mould by power management module
Block power supply.The top of shell 1 is arranged in the solar panel 6.In view of automobile it is possible that being parked in darkness for a long time
Place, system power shortage in order to prevent, while devising USB charge port can use charger baby, interior cigar lighter charging, very
It is convenient.
The power management module is LM7805 chip；The power module and power supply module and it is connected, with power supply
The end VCC, GND of management module is connected directly, and by the voltage stabilization of power supply module in 5V or so, is provided to control module stable
Voltage input.LM7805 chip is a kind of three-terminal voltage-stabilizing integrated chip.Chip can provide stabilization while exporting 5V voltage
1A export electric current.Its working performance is fine, cheap, and peripheral circuit is relatively simple convenient for design, meets setting for this system
Meter requires, so this preferred chip.
The driver's cabin detection module is made of acceleration transducer, pressure sensor, microwave radar sensor；Wherein
The acceleration transducer is connected with control module, integrated on a circuit board with control module；The pressure sensing
Device is located inside pilot set, with control module by WiFi communication, sends driver's cabin information to control module；Described
Microwave radar sensor model number is RCWL-9196, the VCC of Vin pin link control module, the base of OUT foot and a triode
Extremely it is connected, it is integrated on a circuit board with control module.After single-chip microcontroller obtains the signal of sensor, driver can be calculated
The alcohol concentration of exhaled gas can carry out real-time monitoring to driver.If the alcohol concentration monitored is greater than the threshold of setting
When value, the I/O mouth of single-chip microcontroller exports low level.As the intracorporal alcohol content 20mg/100mL≤vol < 80mg/ of driver
When 100mL, it can be determined as drinking drive.Referring to national standard, the alcohol alarm concentration threshold of this system is set to 20mg/
100mL。
Acceleration transducer is responsible for detecting whether vehicle is braked.Pressure sensor uses semibridge system weighing sensor.This
Sensor is widely used in the weighing device such as human body balance, and sensitivity, accuracy are higher, and composition error 0.1% complies fully with
The needs of this system.By calculating, the weight of driver's seat cushion can be subtracted, can be detected whether to take and driving
On seat.In view of many reasons such as some articles may be placed on driver's cabin seat, so that pressure sensor generates erroneous judgement,
So this system selects RCWL-0516 microwave radar sensor, whether double check driver's cabin has driver, so that detection is accurate
Du Genggao.This microwave radar sensor sensing distance of this system selection can achieve 7 meters, have high sensitivity, accuracy
The features such as height, big induction angle.Compared with traditional infrared sensor, it will not be interfered by factors such as environment temperature, illumination conditions,
So that the accuracy of detection greatly improves.
The alarm module is made of alarm lamp and voice alarm module；The alarm lamp and single-chip microcontroller
P13 pin is connected, and integrates on one piece of circuit board with control module；The voice alarm module model ISD1820,
It is connected with single-chip microcontroller P13 pin, is integrated on one piece of circuit board with control module.The alarm lamp is mounted on first
In circular hole 2；The voice alarm module is mounted in the second circular hole 3.
When detecting driver's drunk driving, using delay function, single-chip microcontroller pin exports high and low level, so that police instruction
Lamp flashing.Voice cue module is reminded: " please don't drive when intoxicated ".
The GSM and GPS module uses SIM808 module；The GSM and No. 1 pin of GPS module connect power supply line
(VCC), No. 4 pin ground lines (GND), No. 2 ends RxD and TxD for connecing single-chip microcontroller respectively with No. 3 pins.The module has transmitting-receiving
Short message and positioning function.It is integrated with GSM:850MHz, EGSM:900MHz, DCS:1800MHz, tetra- frequency of PCS:1900MHz
GSM/GPRS module.It uses power conservation techniques to design, therefore the current drain under sleep pattern is down to 1mA (GPS engine power-off).
SIM808 module integrates GSM with GPS, the GPS module and GSM module used compared to other systems, its body
Product is smaller, and cost performance is higher.Comprehensively consider, this module complies fully with the needs of this system.
The alcohol detection module is the alcohol sensor with wifi；The alcohol sensor shares 5,5
Alcohol sensor be respectively arranged in steering wheel 7, copilot instrument board 8, chief aviation pilot's backrest 9, passenger seat chair back 10,
Roof of the vehicle posterior central 11, and pass through WiFi communication with control module.
The liquid crystal display shows driver's alcohol concentration at this time, and display " please don't drive when intoxicated " printed words.
The relay module is the relay with WiFi, the connecting terminal phase of relay module and gasoline solenoid valve
Even, with control module by WiFi communication, control module transmits commands to relay, and controls the on-off of relay.
Referring to Fig.2, a kind of drunk-driving prevention method of intelligence drunk-driving prevention system, method includes the following steps:
Step 1: whether the acceleration transducer detection vehicle in driver's cabin detection module is in on-position, if being in
Then system opens battery saving mode to motion state, into dormant state；
Step 2: the acceleration transducer in driver's cabin detection module detects that automobile is in on-position, then triggering is driven
Sail room detection module；Whether it is more than the threshold value set that the pressure sensor detection seat in driver's cabin detection module is improved quality, if
Then start the microwave radar sensor in driver's cabin detection module more than threshold value, whether detection driver's cabin has driver；
Step 3: driver's cabin detection module detects driver, the alcohol sensor in system trigger alcohol detection module；
5 alcohol sensors detect interior alcohol concentration simultaneously, are communicated by WiFi module and main control chip；It detects at main driving
Alcohol concentration is lower than threshold value (20mg/100mL), and intelligent drunk-driving prevention system allows driver actuation；
Step 4: if detecting, alcohol concentration is more than threshold value (20mg/100mL) at main driving, is determined as driver
It drinks, at this time the alarm lamp flashing in alarm module；Voice alarm module in alarm module is reminded: " please don't be driven after drinking
It sails "；Liquid crystal display shows driver's alcohol concentration at this time, and display " please don't drive when intoxicated " printed words；
Step 5: relay disconnects automobile oil-way, prevent automobile from starting；
Step 6: GSM and GPS module send short message to household or the police, short message content includes the alcohol of driver at this time
The GPS information of content and at this time vehicle.
Claims (9)
1. a kind of intelligence Drunk-driving-prevendevice device, which is characterized in that the device includes the anti-wine of shell (1) and setting in shell (1)
Drive system；Described shell (1) the positive left side is provided with the first circular hole (2) and the second circular hole (3) above and below；The shell (1)
The first square hole (4) are provided among positive right side；Described shell (1) side is provided with the second square hole (5) of USB charging；
The drunk-driving prevention system include control module, power supply module, power management module, driver's cabin detection module, alarm module, after
Electrical appliance module, GSM and GPS module, liquid crystal display and alcohol detection module；The power supply module and power management module phase
Even, lasting voltage input is provided to control module；The end VCC and the end GND of the power management module and control module are straight
It connects connected, the voltage of power supply module is controlled in 5V, stable input voltage is provided for control module；The driver's cabin detection
Module is connected with control module, sends driver's cabin information to control module；The alarm module is connected with control module, control
Molding block output order makes its alarm to alarm module；The GSM and GPS module is connected with control module, by controlling mould
Block output order detects automobile GPS information and sends short message；The liquid crystal display is mounted in the first square hole (4), with
Control module is connected, and receives the instruction of control module；The alcohol detection module shares 5, itself includes WiFi module, leads to
It crosses WiFi and control module communicates；The relay module is connected with the connecting terminal of gasoline solenoid valve, logical with control module
WiFi communication is crossed, control module transmits commands to relay, and controls the on-off of relay.
2. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the control module, which is located at, to be driven
Room instrument desk center, in a shell, is made of single-chip microcontroller and crystal oscillating circuit, the reset circuit of model STC12C5A60S2
Minimum system；The crystal oscillating circuit is connected with the 18th, 19, No. 20 pin of single-chip microcontroller, when to needed for single-chip microcontroller offer
Clock signal；The reset circuit is connected with No. 9 pin of single-chip microcontroller.
3. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the power supply module is by solar energy
Solar panel (6), USB charging module and rechargeable battery composition；The solar panel (6) is connected directly with rechargeable battery；
The USB charging module is connected directly with rechargeable battery, in parallel with solar panel (6)；The solar panel
(6) it is arranged at the top of shell (1).
4. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the power management module is
LM7805 chip.
5. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the driver's cabin detection module by
Acceleration transducer, pressure sensor, microwave radar sensor composition；The wherein acceleration transducer and control module phase
Even, integrated on a circuit board with control module；The pressure sensor is located inside pilot set, with control module
Pass through WiFi communication；The microwave radar sensor model number is RCWL-9196, the VCC, OUT of Vin pin link control module
Foot is connected with the base stage of a triode, integrated on a circuit board with control module.
6. a kind of intelligent Drunk-driving-prevendevice device according to claim 2, which is characterized in that the alarm module is referred to by alarming
Show lamp and voice alarm module composition；The alarm lamp is connected with single-chip microcontroller P13 pin, integrates with control module
On one piece of circuit board；The voice alarm module model ISD1820, is connected, with control module with single-chip microcontroller P13 pin
It is integrated on one piece of circuit board；The alarm lamp is mounted in the first circular hole (2)；The voice alarm module installation
In the second circular hole (3).
7. a kind of intelligent Drunk-driving-prevendevice device according to claim 2, which is characterized in that the GSM and GPS module use
SIM808 module；The GSM and No. 1 pin of GPS module connect power supply line, and No. 4 pin ground lines, No. 2 connect respectively with No. 3 pins
The end RxD and TxD of single-chip microcontroller.
8. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the alcohol detection module is band
There is the alcohol sensor of wifi；The alcohol sensor shares 5,5 alcohol sensors be respectively arranged in steering wheel (7),
Copilot instrument board (8), chief aviation pilot's backrest (9), passenger seat chair back (10), roof of the vehicle posterior central (11),
And pass through WiFi communication with control module.
9. a kind of intelligent Drunk-driving-prevendevice device according to claim 1, which is characterized in that the relay module be with
The relay of WiFi.
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