CN103818257A - Vehicle-mounted drunk driving initiative response system - Google Patents
Vehicle-mounted drunk driving initiative response system Download PDFInfo
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- CN103818257A CN103818257A CN201410007287.0A CN201410007287A CN103818257A CN 103818257 A CN103818257 A CN 103818257A CN 201410007287 A CN201410007287 A CN 201410007287A CN 103818257 A CN103818257 A CN 103818257A
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Abstract
The invention provides a vehicle-mounted drunk driving initiative response system, belongs to the field of vehicle electronic components, and aims to send driver drunk driving information to relatives through a mobile phone communication unit without relating to vehicle control. The vehicle-mounted drunk driving initiative response system comprises an intelligent detecting unit, a driver inside alcohol content detection unit, a control unit, a mobile phone communication unit and an action execution unit. According to the vehicle-mounted drunk driving initiative response system, the action is implemented conveniently by providing to a driver and relatives through an intelligent mobile phone client in a manner of APP (mobile phone application) software, the relatives are allowed to conveniently and rapidly operate the function by simple actions, time is saved, the relatives can communicate with the driver conveniently when the driver drives in drunk state and expostulate the driver to stop drunk driving, and the system is more humanized.
Description
Technical field
The invention belongs to vehicle electronics accessory field.
Background technology
In the last few years, along with China's rapid economic development, the whole nation motor vehicle number and chaufeur number are surged, and ignore traffic control rules after drinking and drunk driving cause breaking laws and commit crime of serious consequence also increasing, cause serious harm to society and broad masses of the people's life, health.Drink-driving doer knows that driver from drunk driving is illegal, drunk driving can endanger public security perfectly well, but disregard of law, drunk driving, particularly after accident, continue to drive to collide, create greater casualties, description line behaviour is subjective holds laissez-faire attitude to the harmful consequences that continues to occur, and has endanger public security intentional.
The technical products of current existing detection and vehicle-mounted prevention drunk driving aspect mainly contains several:
One, police alcohol content tester:
Police alcohol content tester has very high accuracy, and of a great variety, while facilitating traffic police, uses flexibly.But this detector can not meet the detection to alcohol content in all chaufeur bodies, can only be that traffic police carries out casual inspection.
Two, vehicle-mounted alcohol detection apparatus:
2007, Volvo was released the technology of a " drunken driving locking (Alcoguard) " by name.Driver, before starting automobile, need to blow 5 seconds to handheld device, and LED lantern festival shows test results, and result is passed to in-vehicle device by wireless signal.If the alcohol content in blood is 0～10mg/100mL, equipment can give a green light, at this moment can start the engine.If 10～20mg/100mL, although can start the engine, can light amber light, send and drive warning to chaufeur.When reaching 20mg/100mL when above, driving engine just can not start.
A kind of automotive fittings (application number is 201320229562) of controlling drunk driving is to utilize alcohol concentration inductor to be connected with alarm lamp, to controller output signal, in the time that alcohol concentration inductor detects that the alcohol concentration of chaufeur is above standard, automobile can not start; Whether a kind of vehicle drunk driving controller (application number is 201320149015) is also to utilize alcohol sensor to detect alcohol content in chaufeur body to exceed standard, if exceed standard point of cutoff firearm, automobile cannot be started, and controls the object of driving when intoxicated to reach; A kind of control system circuit (application number is 201220647365) that prevents that chaufeur from driving when intoxicated is also to utilize alcohol detection module to detect alcohol content in chaufeur body, if judging chaufeur drinks, too high should not the driving of audio alert module prompting chaufeur alcohol concentration, simultaneous control of automobile ignition device power circuit disconnects, and vehicle cannot be started.A kind of hommization on-vehicle safety control loop (application number is 201320024223.2) utilizes two kinds of alcohol detection modules to detect alcohol content in chaufeur body, and utilize mobile communication unit that chaufeur drunk driving information is issued to relatives, but this mode does not relate to the control to vehicle.
These patents are all to utilize alcohol detection sensor to detect alcohol content in chaufeur body substantially, and then judge according to the data that detect whether chaufeur drinks, if being defined as alcohol content in chaufeur body exceeds standard, directly by the locked vehicle vehicle source that runs out of steam that makes, directly like this lose the control to vehicle while making under some emergency case chaufeur can also keep certain driving ability by locked vehicle.And these patents can not be distinguished different situations to make differential responses, response action is single.
Summary of the invention
The object of the invention is to utilize mobile communication unit chaufeur drunk driving information to be issued to the automobile mounted drunk driving active response system that does not relate to the control to vehicle in the such action of relatives.
The present invention is arranged on the door contact interrupter sensor at car door seam place, be wired to the I/O port of microprocessor, driver's seat pressure sensor below chaufeur cushion, be wired to an AD input port of microprocessor, skin contact formula alcohol sensor is arranged on bearing circle, air type alcohol sensor is arranged on instrument desk, the signal output part of skin contact formula alcohol sensor and the mouth of air type alcohol sensor are connected respectively to microprocessor the 2nd AD input port and the 3rd AD input port, mobile communication unit comprises gsm module, Mike and loud speaker, gsm module is inserted with SIM cards of mobile phones, be arranged in automobile center console, communicate by serial ports UART with microprocessor, Mike and loud speaker are arranged on by gauge panel, be wired on gsm module, action execution unit comprises Warning light module, voice cue module, car speed sensor, control unit of engine and key door switch, Warning light module comprises four LED Warning lights, be arranged on the position of roof middle part and both sides, rear portion, each Warning light has connected respectively an output relay by wire, and the control end of output relay is connected with microprocessor I/O port, voice cue module comprises voice module and loud speaker, and voice module control end is connected with microprocessor I/O port, and its mouth is connected with loud speaker simultaneously, car speed sensor is output as impulse singla, is arranged on automotive wheel wheel hub, is connected with the counting machine input port of microprocessor, control unit of engine is for to communicate by CAN bus with microprocessor, key door switch is output as on-off signal, is arranged on automobile key door place, and its output signal is connected to microprocessor I/O port, cell-phone customer terminal cellular installation, in chaufeur relatives' smart mobile phone, communicates by cell phone network with mobile communication unit,
Said system is made up of microprocessor, power module, CAN bus transceiver, Warning light driving circuit, voice cue module and gsm module:
Microprocessor: the input and output as the P0.4 of the C8051F500 micro controller system of master controller, P0.5 pin as serial ports, connect the serial ports output input pin of gsm module, P0.6, P0.7 connect the input and output pin of CAN bus transmission circuit; P1.0 connects a line serial data input pin of voice module, P1.1 connects the Busy pin of voice module, P1.2 ~ P1.4, as analog signal AD input pin, connects respectively the signal output pin of chaufeur seating pressure sensor, skin contact formula alcohol sensor and air type alcohol sensor; P1.5, as digital quantity input pin, connects the signal output pin of door contact interrupter sensor; P1.6, as counting machine input pin, connects the signal output pin of car speed sensor; P2.0 ~ P2.3 receives a crime report and shows the control end of lamp drive circuit; C2D, C2CK are C2 interface, have been connected to P4, and P4 is 3 pin sockets, for downloading and debugged program;
Power module: the 5V direct current (DC) that vehicle-mounted 12V power supply is converted to each chip and circuit energy use in native system;
CAN bus transceiver: effect is for bus provides different transmission performances, for CAN controller provides different receptivities;
Voice cue module: the 16th pin of WT5880D-U voice module is as the data input pin of a line serial ports, be connected to the P1.0 pin of microprocessor micro controller system, the 21st pin is with being busy signal output pin, be connected to the P1.1 pin of micro controller system in Fig. 1,9th, the 10th pin is PWM+, PWM-, connects respectively the two ends of loud speaker;
On gsm module, carry Microphone stand and earphone base, main control module is TC35 module or SIM900A module, communicates by serial ports with microprocessor micro controller system.
The invention has the beneficial effects as follows:
Automobile mounted drunk driving of the present invention initiatively corresponding system compare the alcohol content tester that relies on traffic police to use, increase little in the situation that and can facilitate chaufeur quick obtaining self possibility to have the situation of drunk driving behavior at cost, make judgement timely.
2, automobile mounted drunk driving active corresponding system of the present invention utilizes air type alcohol sensor and skin contact formula alcohol sensor to gather alcohol content situation in chaufeur body simultaneously, compare simultaneously and adopt a kind of alcohol detecting device to improve the accuracy of alcohol detection, can not increase the extra detection action of chaufeur, convenient realization simultaneously.
3, automobile mounted drunk driving active corresponding system of the present invention can easily be integrated in existing various types of vehicles in the situation that increase parts are few, is easy to structurally be integrated on car load.
4, automobile mounted drunk driving of the present invention initiatively corresponding system has been formulated the scheme of alcohol content classification in detected chaufeur body, specifically be divided into state in four, when being less than 0.5 mg/mL, alcohol concentration in chaufeur body is judged as normal condition, in the time that alcohol concentration in chaufeur body is more than or equal to 0.5 mg/mL and is less than 1.0 mg/mL, it is slight state of intoxication, in the time that alcohol concentration in chaufeur body is more than or equal to 1.0 mg/mL and is less than 1.5 mg/mL, it is moderate state of intoxication, height state of intoxication in the time that alcohol concentration is more than or equal to 1.5 mg/mL in chaufeur body, automobile mounted drunk driving of the present invention initiatively corresponding system can be made different active response actions for different states, with respect to simple directly after detecting alcohol concentration and exceeding standard locked automobile make the vehicle such system hommization more in source that runs out of steam.
5, the included active response action of automobile mounted drunk driving active corresponding system of the present invention has opening warn lamp warning surrounding vehicles and pedestrian, restriction car load maximum speed, locked automobile and utilizes smart mobile phone client to facilitate relatives to realize with the communication contact of drunk driving chaufeur and to vehicle-state and carry out certain control.Opening warn lamp can remind vehicle and pedestrian around to note dodging, and also facilitates traffic police to utilize this point to judge whether chaufeur has the possibility of drunk driving simultaneously; Restriction maximum speed can not lose the driving right to vehicle under the slight state of intoxication of chaufeur and under moderate state of intoxication, but can limit the speed of a motor vehicle within the specific limits, avoids to a certain extent the too fast accident that may cause of the speed of a motor vehicle; Locked automobile is directly that vehicle is locked under chaufeur height state of intoxication, guarantees the safety of chaufeur; Smart mobile phone client can facilitate relatives and chaufeur to obtain communication contact in the time that chaufeur exists drunk driving behavior, admonishes it and stops drunk driving behavior, more hommization.
6, the smart mobile phone client described in automobile mounted drunk driving active corresponding system of the present invention offers chaufeur and relatives thereof with the form of mobile phone application software (APP), facilitate the realization of This move, make relatives utilize simpler actions just can operate this function, save time rapidly convenient, the while can facilitate the realization of the follow-up prioritization scheme of smart mobile phone client described in the automobile mounted drunk driving active corresponding system described in patent of the present invention to upgrade.
Accompanying drawing explanation
Fig. 1 is the structure composition and the layout schematic diagram of this system on automobile of automobile mounted drunk driving active response system of the present invention; In figure: 1. door contact interrupter sensor, 2. seating pressure sensor, 3. air type alcohol sensor, 4. skin contact formula alcohol sensor, 5. car speed sensor, 6. vehicle-mounted 12V direct supply, 7. key door switch, 8. voice cue module, 9. control unit of engine, 10. mobile communication unit, 11. microprocessors, 12. Warning lights, 13. cell-phone customer terminals;
Fig. 2 is the schematic block diagram of automobile mounted drunk driving active response various parts annexation of the present invention;
Fig. 3 is the Part I of the action executing FB(flow block) of automobile mounted drunk driving active response system of the present invention;
Fig. 4 is the Part II of the action executing FB(flow block) of automobile mounted drunk driving active response system of the present invention;
Fig. 5 is the Part III of the action executing FB(flow block) of automobile mounted drunk driving active response system of the present invention;
Fig. 6 is microprocessor minimum system circuit diagram of the present invention;
Fig. 7 is the circuit diagram of power module of the present invention;
Fig. 8 is CAN bus transceiver circuit of the present invention;
Fig. 9 is the circuit diagram of Warning light driving circuit of the present invention.
The specific embodiment
The present invention is arranged on the door contact interrupter sensor 1 at car door seam place, be wired to the I/O port of microprocessor 11, driver's seat pressure sensor 2 below chaufeur cushion, be wired to an AD input port of microprocessor 11, skin contact formula alcohol sensor 4 is arranged on bearing circle, air type alcohol sensor 3 is arranged on instrument desk, the signal output part of skin contact formula alcohol sensor 4 and the mouth of air type alcohol sensor 3 are connected respectively to microprocessor 11 the 2nd AD input port and the 3rd AD input port, mobile communication unit 10 comprises gsm module, Mike and loud speaker, gsm module is inserted with SIM cards of mobile phones, be arranged in automobile center console, communicate by serial ports UART with microprocessor 11, Mike and loud speaker are arranged on by gauge panel, be wired on gsm module, action execution unit comprises Warning light module 12, voice cue module 8, car speed sensor 5, control unit of engine 9 and key door switch 7, Warning light module comprises four LED Warning lights, be arranged on the position of roof middle part and both sides, rear portion, each Warning light has connected respectively an output relay by wire, and the control end of output relay is connected with microprocessor 11I/O port, voice cue module comprises voice module and loud speaker, and voice module control end is connected with microprocessor 11I/O port, and its mouth is connected with loud speaker simultaneously, car speed sensor is output as impulse singla, is arranged on automotive wheel wheel hub, is connected with the counting machine input port of microprocessor 11, control unit of engine is for to communicate by CAN bus with microprocessor, key door switch is output as on-off signal, is arranged on automobile key door place, and its output signal is connected to microprocessor I/O port, cell-phone customer terminal unit 13 is arranged in chaufeur relatives' smart mobile phone, communicates by cell phone network with mobile communication unit,
Said system is made up of microprocessor, power module, CAN bus transceiver, Warning light driving circuit, voice cue module and gsm module:
Microprocessor: Fig. 6 is microprocessor minimum system circuit diagram.In figure, U1 is C8051F500 micro controller system, in native system as master controller; In figure, 5V vdc is produced by voltage stabilizing chip LM2576_5V; In figure, capacitor C 5, C7 are tantalum electric capacity, and size is 4.7uF, and withstand voltage is 16V, and C6, C8 are ceramic condenser, and size is 0.1uF, and withstand voltage is 16V; In figure, the P0.4 of C8051F500, P0.5 pin are used as the input and output of serial ports, connect the serial ports output input pin of gsm module; P0.6, P0.7 connect the input and output pin of CAN bus transmission circuit; P1.0 connects a line serial data input pin of voice module, and P1.1 connects the busy judgement of Busy(of voice module) pin; P1.2 ~ P1.4, as analog signal (AD) input pin, connects respectively the signal output pin of chaufeur seating pressure sensor, skin contact formula alcohol sensor and air type alcohol sensor; P1.5, as digital quantity input pin, connects the signal output pin of door contact interrupter sensor; P1.6, as counting machine input pin, connects the signal output pin of car speed sensor; P2.0 ~ P2.3 receives a crime report and shows the control end of lamp drive circuit; C2D, C2CK are C2 interface, have been connected to P4, and P4 is 3 pin sockets, for downloading and debugged program.
Power module: Fig. 2 is the circuit diagram of power module, and the effect of this module is the 5V direct current (DC) that vehicle-mounted 12V power supply is converted to each chip and circuit energy use in native system.In figure, D1, D2 are Schottky diode, and model is 1N5822; F1 is glass tube fuse, and fusing current is 500mA; C1～C3 is chemical capacitor, and size is respectively 100uF, 1000uF and 10uF, withstand voltage 50V, 16V and the 16V of being respectively, and C4 is ceramic condenser, and size is 2.2uF, and withstand voltage is 16V; U2 is voltage stabilizing chip, and model is LM2576-5.0, the vdc of 8.0V ~ 40V can be converted to the vdc of 5.0V, and L1 is inductance, and size is 220uH; U3 is DCDC DC power supplier, and model is IB0505S-2W, and effect is to isolate another one 5V vdc (DC5V) and a ground (DCGND), for powering to photoelectric isolated chip.
CAN bus transceiver: Fig. 3 is CAN bus transceiver circuit, and effect is for bus provides different transmission performances, and for CAN controller provides different receptivities, its main control chip is CAN transponder chip TJA1050, i.e. U4 in figure; In figure, C22 ~ C24 is ceramic condenser, and size is 0.1uF, and withstand voltage is 16V; R11～R15 is carbon resister, and size is respectively 120 Ω, 390 Ω, 390 Ω, 4.7K Ω, 4.7K Ω, and power is 0.25W; D3 ~ D6 is zener diode, and voltage stabilizing value is respectively 9.1V, 9.1V, 6.8V, 6.8V, for limiting the voltage of input TJA1050, to protect this chip; U8, U9 are photoelectric isolated chip, and model is PS9121, for isolated can transponder chip host scm, to protect micro controller system; In the identical wire reality of number in the figure, link together, the CANRX pin in CANRX map interlinking 1, i.e. P0.7 pin, the CANTX pin in CANTX map interlinking 1, i.e. P0.6 pin, CANH and CANL connect the CAN bus interface of control unit of engine.
Fig. 4 is the circuit diagram of Warning light driving circuit.In figure, J1 ~ J4 is relay, and model is JZC-32F, and Q1 ~ Q4 is NPN type aerotron, and model is SS8050, D7 ~ D10 is diode, and model is 1N4001, and C10 ~ C13 is ceramic condenser, and size is 0.1uF, withstand voltage is 16V, and R25 ~ R28 is carbon resister, and size is 1K Ω, and power is 0.25W; 12V power supply is from the direct power taking of vehicle power, the P2.0 ~ P2.3 of D0 ~ D3 map interlinking 1 micro controller system, and LED1 ~ LED4 connects the positive pole of each Warning light.Lighting and turn off process of Warning light is described as an example of LED1 example below, in the time that the P2.0 of micro controller system in Fig. 1 is output as high level, the base stage of aerotron Q1 is high level, the now collecting electrode of aerotron and ground conducting, it is electric that thereby the coil of relay J 1 obtains, open contact adhesive, LED1 end with+12V termination is logical, thereby Warning light is lit; In the time that the P2.0 of micro controller system in Fig. 1 is output as low level, the base stage of aerotron Q1 is low level, and now the collecting electrode of aerotron disconnects with ground, and the coil of relay J 1 must not be electric, not adhesive of open contact, and Warning light is not powered, thereby does not work.
Voice cue module: voice cue module is made up of voice module and loud speaker, voice module is WT5880D-U voice module, this module master controller is WT588D-20SS chip, can arrange this module by supporting upper computer software.What native system adopted is a line serial ports master mode, the PWM way of output, now, the 16th pin of WT5880D-U voice module is as the data input pin of a line serial ports, be connected to the P1.0 pin of micro controller system in Fig. 1, the 21st pin, with being busy signal output pin, is connected to the P1.1 pin of micro controller system in Fig. 1, and the 9th, the 10th pin is PWM+, PWM-, connect respectively the two ends of loud speaker, power of loudspeaker used is 0.5W, and internal resistance is 8 Ω, and diameter is 45mm.
Gsm module is existing integrated GSM module, carries Microphone stand and earphone base in module, and main control module is TC35 module or SIM900A module, communicates by serial ports with the micro controller system in Fig. 1, realizes transmitting-receiving note and the function of answering the call.
Below the present invention is described in detail:
The technical solution adopted in the present invention is: described automobile mounted drunk driving active response system comprises alcohol content detecting unit, control unit, mobile communication unit and action execution unit in system enable detection unit, chaufeur body.
Described system enable detection unit is made up of door contact interrupter sensor and driver's seat pressure sensor.Door contact interrupter installation of sensors, at car door seam place, is wired to the I/O port of microprocessor; Driver's seat pressure sensor is arranged on below chaufeur cushion, is wired to the AD input port of microprocessor.
In described chaufeur body, alcohol detection unit comprises air type alcohol sensor and skin contact formula alcohol sensor, and skin contact formula alcohol sensor is arranged on bearing circle, and air type alcohol sensor is arranged on instrument desk and in chaufeur dead ahead.The signal output part of skin contact formula alcohol sensor and the mouth of air type alcohol sensor are connected respectively to microprocessor AD input port and AD input port.
Described mobile communication unit comprises gsm module, Mike and loud speaker.Described gsm module is inserted with SIM cards of mobile phones, is arranged in automobile center console, communicates by serial ports (UART) with microprocessor; Mike and loud speaker are arranged on by gauge panel, are wired on gsm module.
Described action execution unit comprises Warning light module, voice cue module, car speed sensor, control unit of engine and key door switch.Described Warning light module comprises four LED Warning lights, is arranged on the position of roof middle part and both sides, rear portion, and each Warning light has connected respectively an output relay by wire, and the control end of output relay is connected with microprocessor I/O port; Described voice cue module comprises voice module and loud speaker, and described voice module control end is connected with microprocessor I/O port, and its mouth is connected with loud speaker simultaneously; Described car speed sensor is output as impulse singla, is arranged on automotive wheel wheel hub, is connected with the counting machine input port of microprocessor; Described control unit of engine is for to communicate by CAN bus with microprocessor; Described key door switch is output as on-off signal, is arranged on automobile key door place, and its output signal is connected to microprocessor I/O port.
Described cell-phone customer terminal cellular installation, in chaufeur relatives' smart mobile phone, communicates by cell phone network with mobile communication unit.
Native system can overcome existing alcohol detection system can only judge in chaufeur body, whether alcohol content exceeds standard, can not on the basis that detects alcohol content in chaufeur body, carry out state of intoxication classification, after exceeding standard, directly the locked vehicle chaufeur that makes is lost to the driving right to vehicle judging alcohol concentration in chaufeur body, move single, can not, by the better combination of action executing of the communication function of gsm communication module and alcohol detection system, cannot carry out to the motoring condition of vehicle the series of problems such as certain control.This system can utilize air type alcohol sensor and these two kinds of alcohol sensors of skin contact formula alcohol sensor to guarantee the accuracy to the detection of alcohol content in chaufeur body, on this basis, alcohol content in the body of chaufeur is divided into four kinds of states simultaneously, there is different active response actions to help chaufeur for every kind of state and evade the adverse consequences that drunk driving may cause, utilize the smart mobile phone client in gsm communication module and chaufeur relatives hand to realize chaufeur and relatives' instant message simultaneously, make relatives can admonish in time chaufeur and stop drunk driving behavior, and utilize cell-phone customer terminal can carry out certain preventive control to vehicle-state.
One, consult Fig. 1, automobile mounted drunk driving active response system of the present invention is mainly made up of alcohol content detecting unit, control unit, mobile communication unit and action execution unit in system enable detection unit, chaufeur body.
1. system enable detection unit
Described system enable detection unit is made up of door contact interrupter sensor and seating pressure sensor, and described door contact interrupter installation of sensors is at driver door seam place, and seating pressure installation of sensors is below operator's seat cushion.Door contact interrupter installation of sensors, at car door seam place, is wired to the I/O port of microprocessor; Driver's seat pressure sensor is arranged on below chaufeur cushion, is wired to the AD input port of microprocessor.Door contact interrupter sensor reads door contact interrupter signal, and driver's seat pressure sensor reads the pressure signal on seat, judges by the door contact interrupter signal and the seating pressure signal that read whether chaufeur is sat on the seat.The signal that system enable detection unit reads according to door contact interrupter sensor and driver's seat pressure sensor also judges according to the built-in program of control chip whether automobile mounted drunk driving active response system should enable, sat on the seat if judge chaufeur, the automobile mounted drunk driving active response system described in this patent enables.
2. alcohol content detecting unit in chaufeur body
In described chaufeur body, alcohol content detecting unit comprises air type alcohol sensor and skin contact formula alcohol sensor.Skin contact formula alcohol sensor is arranged on bearing circle, and air type alcohol sensor is arranged on instrument desk and in chaufeur dead ahead.The signal output part of skin contact formula alcohol sensor and the mouth of air type alcohol sensor are connected respectively to microprocessor AD input port and AD input port.Air type alcohol sensor is arranged on instrument desk and in chaufeur dead ahead, skin contact formula alcohol sensor is arranged on bearing circle, alcohol concentration content in air in air type alcohol sensor inspection vehicle, skin contact formula alcohol sensor by with the contact detection chaufeur body of chaufeur skin in alcohol concentration content.The signal that control unit reads according to air type alcohol sensor and skin contact formula alcohol sensor judges in chaufeur body, whether alcohol content exceeds standard.
3. mobile communication unit
Described mobile communication unit comprises gsm communication module, Mike and loud speaker.Described gsm module is inserted with SIM cards of mobile phones, is arranged in automobile center console, communicates by serial ports (UART) with microprocessor; Mike and loud speaker are arranged on by gauge panel, are wired on gsm module.Its effect is under slight state of intoxication and under moderate state of intoxication, to send hint instructions by cell phone network at chaufeur to the smart mobile phone client in chaufeur relatives hand, this chaufeur of prompting relatives is carrying out drunk driving behavior, relatives can utilize the smart mobile phone client in hand to obtain communication contact by mobile communication unit and chaufeur on one's own initiative, admonish it and avoid drunk driving behavior.Under chaufeur moderate state of intoxication, the speed limit instruction of the further reduction maximum speed that relatives send by smart mobile phone client is accepted in mobile communication unit, communicate by letter with control unit in mobile communication unit afterwards, control unit reads this instruction, and control unit is further limited in 5km/h by the maximum speed of automobile by control unit of engine.
4. action execution unit
Described action execution unit is by Warning light, voice cue module, car speed sensor, control unit of engine and key door switch.
Described Warning light module comprises four LED Warning lights, is arranged on the position of roof middle part and both sides, rear portion, and each Warning light has connected respectively an output relay by wire, and the control end of output relay is connected with microprocessor I/O port; Described voice cue module comprises voice module and loud speaker, and described voice module control end is connected with microprocessor I/O port, and its mouth is connected with loud speaker simultaneously, and voice cue module is arranged in automobile center console bottom; Described car speed sensor is output as impulse singla, is arranged on automotive wheel wheel hub, is connected with the counting machine input port of microprocessor; Described control unit of engine and microprocessor communicate by CAN bus; Described key door switch is output as on-off signal, is arranged on automobile key door place, and its output signal is connected to microprocessor I/O port.
Described Warning light effect is that the signal that reads according to air type alcohol sensor and skin contact formula alcohol sensor at control unit judges in chaufeur body that whether alcohol content is made active response after exceeding standard, when chaufeur is moderate state of intoxication, control unit control Warning light is lighted, point out this car in drunk driving state with this next peripherad vehicle and pedestrian, warning vehicle and pedestrian around initiatively dodge.The effect of described voice cue module is that signal from skin contact formula alcohol sensor to chaufeur prompting control unit that read according to air type alcohol sensor and judges that result that in chaufeur body, whether alcohol content exceeds standard sends the voice message of response to chaufeur, in the time that chaufeur is normal condition, control unit control voice cue module sound " in your body, alcohol content is normal, wishes that you drive happiness "; When chaufeur is slight state of intoxication, control unit control voice cue module sound " you are now in slight state of intoxication, for you and household's happiness please be avoided drunk driving behavior "; In the time that chaufeur is moderate state of intoxication, control unit control voice cue module sound " you are now in moderate state of intoxication, for you and household's happiness please be avoided drunk driving behavior "; When chaufeur is height when state of intoxication, control unit control voice cue module sound " you are now in height state of intoxication, for you and household's happy vehicle is by locked ".Described car speed sensor act as detection car speed, and vehicle speed signal is passed to control unit.Described control unit of engine act as the control command that reception control unit is sent, the fuel charge of control engine, realizes the control to the speed of a motor vehicle with this.The effect of described key door switch is when in control unit is judged chaufeur body, alcohol content is slight state of intoxication and moderate state of intoxication, judge whether chaufeur still adheres to drunk driving behavior, in the time detecting that the signal of key door switch is 0, judge chaufeur and abandoned drunk driving behavior in the time detecting that the signal of key door switch is 1, judge chaufeur and still adhere to drunk driving behavior, now control unit is made initiatively corresponding actions according to different conditions.
5. control unit
Described control unit is microprocessor minimum system, and described microprocessor is the micro controller system that has the peripheral hardwares such as multi-channel A/D, URAT, CAN, counting machine and organize I/O port more.
Described control unit effect is the signal reading according to air type alcohol sensor and skin contact formula alcohol sensor and judges thus in chaufeur body, whether alcohol content exceeds standard, if exceed standard, control unit can be according to signal by alcohol content Fast Classification in chaufeur body, alcohol content in chaufeur body is divided into three kinds of states, is respectively slight state of intoxication, moderate state of intoxication and these three kinds of states of height state of intoxication.When being less than 0.5 mg/mL, alcohol concentration in chaufeur body is judged as normal condition, in the time that alcohol concentration in chaufeur body is more than or equal to 0.5 mg/mL and is less than 1.0 mg/mL, it is slight state of intoxication, in the time that alcohol concentration in chaufeur body is more than or equal to 1.0 mg/mL and is less than 1.5 mg/mL, be moderate state of intoxication, height state of intoxication in the time that alcohol concentration is more than or equal to 1.5 mg/mL in chaufeur body.When system enables after unit judges goes out system and enable, control unit sends instruction to control unit of engine, and driving engine is locked, then according to alcohol content classification in the chaufeur body of judging, control unit is made respectively different instructions.Under chaufeur normal condition, control unit control automobile mounted drunk driving active response system reset is also closed.When chaufeur is slight state of intoxication, control unit sends instruction to voice cue module makes it send voice responsive prompting, read afterwards key door on-off signal, when signal is 0, be cycled to repeat read signal, until system closing or to read key door on-off signal be 1, be 1 when reading key door on-off signal, control unit reads car load speed signal, be 15km/h as comparison other control maximum speed, send instruction to mobile communication unit make it send dependent instruction to the smart mobile phone client in relatives' hand simultaneously, read key door on-off signal simultaneously, until be 0, by system reset and close.When chaufeur is moderate state of intoxication, control unit sends instruction to voice cue module makes it send voice responsive prompting, read afterwards key door on-off signal, when signal is 0, be cycled to repeat read signal, until system closing or to read key door on-off signal be 1, be 1 when reading key door on-off signal, control unit reads car load speed signal, be 10km/h as comparison other control maximum speed, control Warning light lights simultaneously, send instruction to mobile communication unit make it send dependent instruction to the smart mobile phone client in relatives' hand simultaneously, maintenance is simultaneously communicated by letter with mobile communication unit, if relatives send further speed limit instruction, receive dependent instruction from gsm communication module, control unit reads car load speed signal afterwards, be 5km/h as comparison other control maximum speed, read key door on-off signal simultaneously, until be 0, by system reset and close.When chaufeur is height state of intoxication, control unit sends instruction to voice cue module makes it send voice responsive prompting, keeps driving engine locking state, afterwards by system reset and close simultaneously.
6. cell-phone customer terminal unit
Described cell-phone customer terminal unit is made up of the smart mobile phone in relatives' hand, is arranged in chaufeur relatives' smart mobile phone, communicates by cell phone network with mobile communication unit.In smart mobile phone, install and the automobile mounted drunk driving mobile phone application software that initiatively corresponding system matches.Cell-phone customer terminal is connected with mobile communication module by cell phone network, can initiatively connect and being connected of gsm communication module, and receives the relevant information that mobile communication module sends and shows, sends the selected dependent instruction of relatives to mobile communication module simultaneously.
Consult the action executing FB(flow block) of the automobile mounted drunk driving active response of Fig. 4 to Fig. 6 system, the automobile mounted drunk driving initiatively implementation of corresponding system is:
1. first control unit reads door contact interrupter sensor signal Cd, whether detect car door opens, in the time that satisfy condition " Cd=1 " is car door opening, automobile mounted drunk driving initiatively corresponding system is not opened, and time delay repeats to read door contact interrupter sensor signal Cd, in the time that satisfy condition " Cd=0 " is closing of the door, control unit reads seating pressure sensor signal Ds, when satisfy condition " Ds=0 " is that chaufeur is not while sitting on the seat, automobile mounted drunk driving initiatively corresponding system is not opened, and time delay is returned and is again read door contact interrupter sensor signal Cd, when satisfy condition " Ds=1 " is that chaufeur is not while sitting on the seat, control unit judges that now car door has been closed and chaufeur has been sitting on driver seat, the automobile mounted drunk driving of control unit control initiatively corresponding system is opened.
2. control automobile mounted drunk driving initiatively corresponding system open after control unit first send instruction to control unit of engine, make automotive engine locked, the automobile source that runs out of steam.
3. control unit control air type alcohol sensor and skin contact formula alcohol sensor read respectively alcohol concentration and the interior alcohol concentration content of chaufeur body in vehicle passenger compartment, alcohol concentration cont signal in the alcohol concentration in the vehicle passenger compartment that control unit admission of air formula alcohol sensor and skin contact formula alcohol sensor detect and chaufeur body.According to read signal, control unit judges, and whether the interior alcohol content of body exceeds standard to judge chaufeur, alcohol content in chaufeur body is divided into four kinds of states, i.e. normal condition, slight state of intoxication, moderate state of intoxication and height state of intoxication.Concrete criterion is judged as normal condition for alcohol concentration in chaufeur body is less than 0.5 mg/mL, in the time that alcohol concentration in chaufeur body is more than or equal to 0.5 mg/mL and is less than 1.0 mg/mL, it is slight state of intoxication, in the time that alcohol concentration in chaufeur body is more than or equal to 1.0 mg/mL and is less than 1.5 mg/mL, be moderate state of intoxication, height state of intoxication in the time that alcohol concentration is more than or equal to 1.5 mg/mL in chaufeur body.
Alcohol concentration content classification in table 1 chaufeur body
| Alcohol concentration (mg/ml) in body | <0.5 | ≥0.5，<1 | ≥1，<1.5 | ≥1.5 |
| Classification | Normal condition | Slight state of intoxication | Moderate state of intoxication | Height state of intoxication |
4. if judge, chaufeur is normal condition, control unit sends instruction to voice cue module, voice cue module is sent voice message " in your body, alcohol content is normal; wish that you drive happiness ", automobile mounted drunk driving afterwards initiatively corresponding system resets and reduces, removed the dead state of engine lock, system is carried out and is finished.
5. if judge, chaufeur is slight state of intoxication, control unit sends instruction to voice cue module, voice cue module is sent voice message " you are now in slight state of intoxication; for you and household's happiness please be avoided drunk driving behavior ", control unit reads key door on-off signal key afterwards, if key door on-off signal " key=0 " is the behavior that chaufeur does not continue steering vehicle, time delay repeats to read key door on-off signal key, until system cut-off is closed.If key door on-off signal " key=1 " represents chaufeur and does not accept the advice of voice message, mandatory requirement starts vehicle and continues to drive, control unit sends instruction to control unit of engine, make driving engine remove locking state, normal ignition starts, read afterwards the vehicle speed signal that car speed sensor detects, take vehicle speed signal as reference, the maximum speed of automobile is limited in to 15km/h, if detect, vehicle speed signal is greater than 15km/h, control unit sends instruction to control unit of engine, the power stage of control engine, automobile speed is reduced in 15km/h.Simultaneity factor gsm communication module sends and reminds to relatives' smart mobile phone client, this chaufeur of prompting relatives is carrying out drunk driving behavior, relatives can utilize cell phone network to carry out communication with gsm communication module by the application software in cell-phone customer terminal to be connected on one's own initiative, realize relatives and driver's voice call, relatives utilize call advice chaufeur to stop drunk driving behavior.Read afterwards key door on-off signal key, stop starting vehicle until " key=0 " is chaufeur, stopped the behavior of drunk driving, system reset reduction.
5. if judge, chaufeur is moderate state of intoxication, control unit sends instruction to voice cue module, voice cue module is sent voice message " you are now in moderate state of intoxication; for you and household's happiness please be avoided drunk driving behavior ", control unit reads key door on-off signal key afterwards, if key door on-off signal " key=0 " is the behavior that chaufeur does not continue steering vehicle, time delay repeats to read key door on-off signal key, until system cut-off is closed.If key door on-off signal " key=1 " represents chaufeur and does not accept the advice of voice message, mandatory requirement starts vehicle and continues to drive, control unit sends instruction to control unit of engine, make driving engine remove locking state, normal ignition starts, read afterwards the vehicle speed signal that car speed sensor detects, take vehicle speed signal as reference, the maximum speed of automobile is limited in to 10km/h, if detect, vehicle speed signal is greater than 10km/h, control unit sends instruction to control unit of engine, the power stage of control engine, automobile speed is reduced in 10km/h.Simultaneity factor gsm communication module sends and reminds to relatives' smart mobile phone client, this chaufeur of prompting relatives is carrying out drunk driving behavior, relatives can utilize cell phone network to carry out communication with gsm communication module by the application software in cell-phone customer terminal to be connected on one's own initiative, realize relatives and driver's voice call, relatives utilize call advice chaufeur to stop drunk driving behavior.While relatives can utilize the application software in cell-phone customer terminal to send the instruction of further speed limit to gsm communication module, control unit reads this instruction and continues to read the vehicle speed signal that car speed sensor detects, take vehicle speed signal as reference, the maximum speed of automobile is limited in to 5km/h, if detect, vehicle speed signal is greater than 5km/h, control unit sends instruction to control unit of engine, and the power stage of control engine is reduced in 5km/h automobile speed.Read afterwards key door on-off signal key, stop starting vehicle until " key=0 " is chaufeur, stopped the behavior of drunk driving, system reset reduction.
6. if judge, chaufeur is moderate state of intoxication, control unit sends instruction to voice cue module, voice cue module is sent voice message " you are now in height state of intoxication; for you and household's happy vehicle is by locked ", control unit continues driving engine is locked, until system cut-off, system reset reduction.
Claims (1)
1. an automobile mounted drunk driving active response system, it is characterized in that: the door contact interrupter sensor (1) that is arranged on car door seam place, be wired to the I/O port of microprocessor (11), driver's seat pressure sensor (2) below chaufeur cushion, be wired to an AD input port of microprocessor (11), skin contact formula alcohol sensor (4) is arranged on bearing circle, air type alcohol sensor (3) is arranged on instrument desk, the mouth of the signal output part of skin contact formula alcohol sensor (4) and air type alcohol sensor (3) is connected respectively to microprocessor (11) the 2nd AD input port and the 3rd AD input port, mobile communication unit (10) comprises gsm module, Mike and loud speaker, gsm module is inserted with SIM cards of mobile phones, be arranged in automobile center console, communicate by serial ports UART with microprocessor (11), Mike and loud speaker are arranged on by gauge panel, be wired on gsm module, action execution unit comprises Warning light module (12), voice cue module (8), car speed sensor (5), control unit of engine (9) and key door switch (7), Warning light module comprises four LED Warning lights, be arranged on the position of roof middle part and both sides, rear portion, each Warning light has connected respectively an output relay by wire, and the control end of output relay is connected with microprocessor (11) I/O port, voice cue module comprises voice module and loud speaker, and voice module control end is connected with microprocessor (11) I/O port, and its mouth is connected with loud speaker simultaneously, car speed sensor is output as impulse singla, is arranged on automotive wheel wheel hub, is connected with the counting machine input port of microprocessor (11), control unit of engine is for to communicate by CAN bus with microprocessor, key door switch is output as on-off signal, is arranged on automobile key door place, and its output signal is connected to microprocessor I/O port, cell-phone customer terminal unit (13) is arranged in chaufeur relatives' smart mobile phone, communicates by cell phone network with mobile communication unit,
Said system is made up of microprocessor, power module, CAN bus transceiver, Warning light driving circuit, voice cue module and gsm module:
Microprocessor: the input and output as the P0.4 of the C8051F500 micro controller system of master controller, P0.5 pin as serial ports, connect the serial ports output input pin of gsm module, P0.6, P0.7 connect the input and output pin of CAN bus transmission circuit; P1.0 connects a line serial data input pin of voice module, P1.1 connects the Busy pin of voice module, P1.2 ~ P1.4, as analog signal AD input pin, connects respectively the signal output pin of chaufeur seating pressure sensor, skin contact formula alcohol sensor and air type alcohol sensor; P1.5, as digital quantity input pin, connects the signal output pin of door contact interrupter sensor; P1.6, as counting machine input pin, connects the signal output pin of car speed sensor; P2.0 ~ P2.3 receives a crime report and shows the control end of lamp drive circuit; C2D, C2CK are C2 interface, have been connected to P4, and P4 is 3 pin sockets, for downloading and debugged program;
Power module: the 5V direct current (DC) that vehicle-mounted 12V power supply is converted to each chip and circuit energy use in native system;
CAN bus transceiver: effect is for bus provides different transmission performances, for CAN controller provides different receptivities;
Voice cue module: the 16th pin of WT5880D-U voice module is as the data input pin of a line serial ports, be connected to the P1.0 pin of microprocessor micro controller system, the 21st pin is with being busy signal output pin, be connected to the P1.1 pin of micro controller system in Fig. 1,9th, the 10th pin is PWM+, PWM-, connects respectively the two ends of loud speaker;
On gsm module, carry Microphone stand and earphone base, main control module is TC35 module or SIM900A module, communicates by serial ports with microprocessor micro controller system.
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Application publication date: 20140528 |