CN1268453A

CN1268453A - Intelligent motor vehicle driver monitoring instrument for running safety and its monitoring method

Info

Publication number: CN1268453A
Application number: CN 00114248
Authority: CN
Inventors: 王正键
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-04-30
Filing date: 2000-04-30
Publication date: 2000-10-04
Anticipated expiration: 2020-04-30
Also published as: CN1098179C

Abstract

The present invention relates to an intelligent type motor vehicle driver driivng safety monitor, which is composed of machine case, liquid crystal display screen, loudspeaker, circuit board, air pocket and wirst belt of blood pressure meter, sensors for blood pressure, body temp. and pulse, brain wave measuring electrodes, earlobe clamp, vehicle speed sensor, electrohydraulic ratio flowrate valve and various circuits, transducers and single-chip processor, which are electrically connected by respective signal wires. The invented monitor is high in intelligence and precision, small in volume, convenient to apply and reliable, and it can greatly reduce the occurrence of traffic accidents.

Description

Intelligent motor vehicle driver monitoring instrument for running safety and method for supervising thereof

The present invention is intelligent motor vehicle driver monitoring instrument for running safety and method for supervising thereof, belongs to people---machine security of system automatic monitoring equipment and technology.

According to China's public safety traffic management department statistics, about 70% of China's road traffic accident is that the Physiological Psychology factor of automobile driver self causes.Therefore, chaufeur keeps good Physiological Psychology quality, strengthens the monitoring to driver drives vehicle safety, is the key that reduces traffic accident.The main directly Physiological Psychology factor that influences driver drives vehicle safety has: tired, drink, ill, take downern or analeptic drug, mood pessimism, anxiety, excitement etc.When above-mentioned situation appears in chaufeur Physiological Psychology quality variation, can cause reception, judgement and the capability of reaction of the vision of chaufeur in driving, the sense of hearing, brain to descend, cause the blunt or error of the operational motion of driving, and the initiation traffic accident, cause the heavy losses of life and property, bring serious harm to society.But there is not at present a kind of equipment can detect monitoring driving person's Physiological Psychology situation in real time yet and determines the suitability of driver drives vehicle safety in real time, with the safety of the personal life of guaranteeing chaufeur.The quality of Human Physiology psychologic status can be represented with blood pressure, body temperature, pulse and brain wave.

Purpose of the present invention is exactly in order to reduce or stop the generation of traffic accident, guarantee chaufeur and pedestrian's personal life security, reduce or eliminate the harm that brings to society, research a kind of intelligent motor vehicle driver monitoring instrument for running safety of invention and method for supervising thereof, can detect the psychological physiological situation of chaufeur human body in real time---detect chaufeur blood pressure when driving, body temperature, the variation of pulse and brain wave, and come to determine the suitability of driver drives vehicle safety thus, in starting vehicle or steering vehicle process, chaufeur Physiological Psychology index do not meet can make under the situation that traffic safety requires vehicle can't start or make vehicle in the process of moving automatic deceleration until parking, thereby guaranteed traffic safety.

The present invention realizes by following technical proposals: the contour structures scheme drawing of intelligent motor vehicle driver monitoring instrument for running safety as shown in Figure 1, its circuit block diagram as shown in Figure 2, its schematic circuit diagram are as shown in Figure 3.It is by cabinet 1, LCDs 2, loud speaker 3, circuit card, blood-pressure gage air bag 5, blood-pressure gage wrist strap 6, blood-pressure gage inflation pump tracheae 7, blood-pressure gage pre ure tra ducer 8, blood-pressure gage body temperature trans 9, blood-pressure gage pulse transducer 10, alpha wave measuring electrode 12, β, θ brain wave measuring electrode 13, ear-lobe clip 14, car speed sensor 15, electro-hydraulic proportional flow valve 16 connects and composes jointly, its mutual alignment and annexation are: circuit card is fixedly installed in the casing 1, and LCDs 2 and loud speaker 3 are installed on the machine shell panel top and the bottom respectively and are connected with respective point on the circuit card; Blood-pressure gage air bag 5 is connected by inflation pump tracheae 7 and blood-pressure gage inflation pump (being contained in the casing), and inflation pump is electrically connected mutually by micro controller system on lead and the circuit card; Pre ure tra ducer 8, body temperature trans 9, pulse transducer 10 respectively by blood pressure transducing signal line, body temperature transducing signal line, pulse transducing signal line respectively with circuit card on corresponding multichannel multi-channel mould/number conversion circuit respective point be electrically connected mutually; Alpha wave measuring electrode 12, β, θ brain wave measuring electrode 13 are electrically connected with amplifying circuit respective point on the circuit card mutually by alpha wave shielded signal wire, β, θ brain wave shielded signal wire 11 respectively; Car speed sensor 15 is electrically connected with multichannel multi-channel mould/number conversion circuit respective point on the circuit card mutually by speed of a motor vehicle transducing signal line; Electro-hydraulic proportional flow valve 16 is electrically connected mutually by the solid-state relay mouth of driving circuit on signal wire (SW) and the circuit card: its oil inlet is connected with fuel charger by oil pipe; Oil outlet is connected with the driving engine oil inlet; Ear-lobe clip 14 is electrically connected with amplifying circuit respective point on the circuit card mutually by signal shielding cable line 11; Wherein: α, β, θ brain

wave measuring electrode

12,13 shape and structure scheme drawings as shown in Figure 4, it forms diameter of phi by filamentary silver braiding is that 8～12mm filigree and wire-lead 17 thereof constitute; Its circuit is by blood pressure, body temperature, pulse transducer, car speed sensor, α, β, θ brain wave measuring electrode, amplifying circuit, active bandwidth-limited circuit, multichannel multi-channel mould/number (A/D) change-over circuit, DC converter, singlechip CPU (containing the I/O expansion interface circuit), LCD MODULE circuit and by speech chip, memory device, audio amplifier, the sound circuit that loud speaker connects and composes and comprise solid-state relay, the power amplifier driving circuit that constitutes in parallel connects and composes jointly, its interconnected relationship is: blood pressure, body temperature, pulse transducer, car speed sensor passes through blood pressure respectively, body temperature, pulse, the vehicle speed signal line is electrically connected mutually with multichannel multi-channel mould/number (A/D) change-over circuit respectively, α, β, θ brain wave measuring electrode is passed through α respectively, β, θ eeg signal line is electrically connected mutually with amplifying circuit, amplifying circuit is electrically connected with active filter circuit mutually by the amplifying signal output line, and active bandwidth-limited circuit is electrically connected with multiplexer channel mould/number conversion circuit mutually by the filtering signal output line; Singlechip CPU is by the I/O expansion interface and inflate signal wire (SW), mould/number conversion output line, DC converter power supply output line, voice signal line, display signal line, drive signal line by blood-pressure gage respectively and be electrically connected mutually with blood-pressure gage inflation pump, multichannel multi-channel mould/number (A/D) change-over circuit, DC converter, sound circuit, LCD MODULE circuit, driving circuit respectively; And speech chip respectively by storage signal line, sound signal output line be electrically connected mutually with memory device, audio amplifier respectively, audio amplifier connects and composes sound circuit by audio amplification signal output line and loud speaker again; Solid-state relay and power amplifier are in parallel and are electrically connected the formation driving circuit; One end of blood-pressure gage inflation pump tracheae 7 is connected (air bag be contained in wrist strap 6 in) with blood-pressure gage air bag 5, the interior inflation pump air gate of the other end and casing is connected; Blood pressure, body temperature,

pulse transducer

8,9,10 are fixed on the blood-pressure gage wrist strap 6 with adhesive agent respectively, and the signal wire (SW) by separately respectively with the casing interior circuit board on the IC of multichannel multi-channel mould/number conversion circuit ₄The IN of integration member ₀, IN ₁, IN ₂Interface connects; In schematic circuit diagram shown in Figure 3: α, β, θ brain

wave detecting electrode

12,13 and ear-lobe clip 14 be the IC by amplifying circuit on shielded signal wire and the casing interior circuit board respectively ₁, IC ₂3 interfaces of integration member are connected with 2 interfaces; Car speed sensor 15 is by the IC of multichannel multi-channel mould/number conversion circuit on signal wire (SW) E and the casing interior circuit board ₄The IN of integration member ₃Interface connects; Electro-hydraulic proportional flow valve 16 T by the Darlington power amplifier of driving circuit on electric wire F and the circuit card exports out 1 interface and is connected; DC converter DC-DC input interface in a-signal line one end and the casing is connected, and the other end and automobile ignition switch " ON " are connected; Solid-state relay SSR, the power amplifier T power input interface of driving circuit are connected on B signal wire (SW) one end and the casing interior circuit board, and the other end is connected with automotive battery is anodal; C signal wire (SW) one end is connected with the out interface of casing internal solid relay SSR, and the other end is connected with the power interface of the starter relay of automotive engine; Power amplifier T output out 2 interfaces of the driving circuit on D signal wire (SW) one end and the casing interior circuit board are connected, and the other end is connected with automobile emergency flash light Der Blink und Abblendschalter power interface; The IC of multichannel multi-channel mould/number conversion circuit on E signal wire (SW) one end and the casing interior circuit board ₄The IN of integration member ₃Interface connects, and the other end is connected with the mouth of car speed sensor 15; The power amplifier of driving circuit output out 1 interface is connected on F signal wire (SW) one end and the casing interior circuit board, and near the power input interface of the electro-hydraulic proportional flow valve 16 that the other end is with being installed in automotive engine is connected; Electro-hydraulic proportional flow valve 16 oil inlet G are connected with the engine fuel pump output terminal by transport pipe, and oil outlet H is connected with the driving engine oil inlet; In schematic circuit diagram shown in Figure 3: amplifying circuit is by integration member IC ₁, IC ₂, resistance R ₁～R ₄Be electrically connected formation jointly; Active bandwidth-limited circuit is by integration member IC ₃, crystal oscillator XTAL, capacitor C ₁～C ₃, resistance R ₅～R ₆Be electrically connected formation jointly; Multichannel multi-channel mould/number conversion circuit is by integration member IC ₄～IC ₇Be electrically connected formation jointly; Micro controller system (containing the expansion of I/O interface) is by integration member IC ₉, IC ₁₀, IC ₁₂Common electric formation; Liquid crystal display circuit is by integration member IC ₈, IC ₁₁Common electric formation; Sound circuit is by IC ₁₃～IC ₁₅, the common electric formation of loud speaker SP; Driving circuit constitutes by solid-state relay SSR, power amplifier T are common electric.

The principle of work of this intelligent motor vehicle driver monitoring instrument for running safety is as follows: when chaufeur inserted the automotive ignition key ignition lock and is torqued into " ON " position, this monitoring was also connected electricity, blood-pressure gage inflation pump at micro controller system IC by automotive battery ₁₂Control is down to the blood-pressure gage airbag aeration of tying up on the hand of driver wrist, and when gasbag pressure reached 24Kpa (180mmHg), air bag is self-bleeding slowly, and blood-pressure gage just can accurately be measured the blood pressure (systolic pressure, diastolic pressure) of chaufeur; Body temperature, pulse rate are through multichannel multi-channel a/d converter IC ₄Convert digital electric signal to and be transported to expansion interface IC ₁₀With micro controller system IC ₁₂α, β, θ brain

wave measuring electrode

12,13 and ear-lobe electrode 14 the analog signal of the frequency of brain wave and amplitude (can only occur in α, β, the θ ripple one or both ripples mix ripple) through amplifying circuit amplify, filter circuit sends into mould/number conversion circuit after handling, mould/number conversion circuit is conveyed into expansion interface IC after analog signal conversion is become digital signal ₁₀With micro controller system IC ₁₂Micro controller system IC ₁₂Detect blood pressure, pulse (number of times/minute), body temperature (micro controller system adds 1 degree automatically to the detected body temperature number of degrees) is presented at LCDs IC ₈On.Micro controller system IC ₁₂Brain wave numerical value in the digital signal of brain wave and the machine internal memory ROM is compared, and the word of the expression Physiological Psychology situation that will choose then such as normal or excitement or anxiety or pessimism etc. are presented at LCDs IC ₈On.At the same time, micro controller system IC ₁₂According to design-calculated program (program flow chart is referring to Fig. 5) in advance, divide the Physiological Psychology index testing result of chaufeur following three kinds of different situations to send impulse singla to power element (sound circuit, driving circuit), carry out by sound circuit and driving circuit.According to the characteristics of Traffic Safety Committee to chaufeur Physiological Psychology competency profiling, the contriver is carrying out on the basis of investigating extensively and profoundly, and the Physiological Psychology index of determining the driver drives vehicle suitability is shown in following table 1 (brain wave index), table 2 (body temperature index), table 3 (pulse indicator), table 4 (blood pressure index).

Table 1

State	Tired	Normally	Exciting	Nervous
State	Tired	Normally	Exciting	Nervous	Waveform	The θ ripple	The α ripple	The β ripple	The β ripple
Frequency					Waveform	The θ ripple	The α ripple	The β ripple	The β ripple
Frequency		4～7Hz	8～15Hz	20～30Hz	30～50Hz
Amplitude		4～7Hz	8～15Hz	20～30Hz	30～50Hz
Amplitude		10～50 μ v	20～100 μ v	5～20 μ v
Classification		10～50 μ v	20～100 μ v	5～20 μ v		Should not drive a vehicle	Suitable driving	Should not drive a vehicle
Classification	Detect the position	A measuring electrode is fixed on the neck, and another electrode is fixed on ear-lobe.	A measuring electrode is fixed on the headrest, and another electrode is fixed on ear-lobe.	A measuring electrode is fixed on the neck, and another electrode is fixed on ear-lobe.		Should not drive a vehicle	Suitable driving	Should not drive a vehicle
Explanation	Detect the position					This method of inspection is to adopt the unipolar lead method

Table 2

Classification	Lowly	On the low side	Normally	Low-heat	Middle heat
	Lowly	On the low side	Normally	Low-heat	Middle heat	Below 36 ℃	36.0～36.5 ℃	36.6～37.1 ℃	37.2～37.7 ℃	37.7 more than ℃
	Should not stop	Critical conditions	Suitable driving	Critical conditions	Should not drive a vehicle	Below 36 ℃	36.0～36.5 ℃	36.6～37.1 ℃	37.2～37.7 ℃	37.7 more than ℃
	Should not stop	Critical conditions	Suitable driving	Critical conditions	Should not drive a vehicle	Explanation	This table body temperature value detects in the oxter, and skin surface temperature is than low 1 ℃ approximately of armpit temperature.

Table 3

Classification	Cross slow	On the low side	Normally	Fast	Too fast
	Cross slow	On the low side	Normally	Fast	Too fast	Below 51 times/minute	51～59 times/minute	60～90 times/minute	91～100 times/minute	More than 100 times/minute
	Should not drive a vehicle	Critical conditions	Suitable driving	Critical conditions	Should not drive a vehicle	Below 51 times/minute	51～59 times/minute	60～90 times/minute	91～100 times/minute	More than 100 times/minute

Chaufeur is held bearing circle when driving, wrist radial artery and arteria comitans nervi mediani be with high, so the time herein pressure value equal the pressure value of arteria comitans nervi mediani.(2) pressure value is the aviation value of all ages and classes chaufeur in the table, as representing the relation of age and blood pressure more objectively, can by age divide into groups, to adapt to of the requirement of all ages and classes chaufeur to this monitor.</entry></row></tbody></tgroup></table></tables>

The traffic safety method for supervising of intelligent motor vehicle driver monitoring instrument for running safety is: before (1) chaufeur will start vehicle, ear-lobe electrode clip 14 is clipped on the ear-lobe, alpha wave measuring electrode 12, β, θ brain wave measuring electrode 13 are fixed on headrest portion, the neck portion epidermis with adhesive tape respectively, the wrist strap 6 that pre ure tra ducer 8, pulse transducer 10, body temperature trans 9 are housed is tightened on wrist (there is screw thread at the wrist strap two ends), and require pre ure tra ducer 8, pulse transducer 10 to aim at the wrist radial artery; Then, the automotive ignition key is inserted ignition lock and forwards " ON " position to, monitor is switched on, blood pressure, body temperature,

pulse transducer

8,9,10 measurement of inductance to the analog signal of blood pressure, body temperature, pulse be transported to the mould of monitor/number conversion circuit conversion and become digital electric signal to deliver to micro controller system, α, β, θ brain wave measuring electrode are transported to amplifier IC in the monitor to α, the β, the θ analog signal that measure ₁, IC ₂, after amplifying, flow to expansion interface IC after sending bandwidth-limited circuit filtering again to ₁₀With micro controller system IC ₁₂, by micro controller system IC ₁₂Control detected blood pressure, body temperature, pulse at LCDs IC ₈Last demonstration, detected α, β, θ brain wave be stored in micro controller system IC ₁₂The brain wave numerical value of internal memory compares, and will represent that again the word of chaufeur Physiological Psychology state is illustrated in LCDs IC as normal or excited or nervous or pessimism etc. ₈On; Simultaneously, under the Control Software program that presets is supported, Physiological Psychology testing result according to chaufeur, micro controller system divides three kinds of situations to send signal to the sound circuit and the driving circuit of monitor: 1. when testing result thought that the Physiological Psychology index of chaufeur meets the traffic safety requirement, monitor loud speaker SP reported and is recorded in speech memory IC in advance ₁₅Statement 1: " your present Physiological Psychology index is normal, and automobile will start at once, would you please drive with caution, and has a nice trip, smoothly! " at the same time, micro controller system IC ₁₂Pass through P3,6 interface circuits are carried the pulse current in 10 seconds to solid-state relay input end 1N, out interface by solid-state relay SSR is connected automotive battery, automobile starter and the conducting of automobile starter solenoid winding, magnet coil produces suction, the contact of automobile starter relay is closed under suction, automobile start machine circuit and storage battery are connected, automobile starter starting back drives engine starting (only needs 5～8 seconds in the time of the starter start the engine, therefore, after starter had structurally guaranteed turn of engine, the starting wheel can skid or jump out of mesh automatically); Behind the turn of engine, chaufeur is operated routinely, makes automobile normal running; After 10 seconds, micro controller system IC ₁₂Stop to export pulse current, the solid-state relay of monitor is cut off, and the electromagnetic force of automobile starter electromagnetic switch disappears, and separately, the automobile start machine circuit is cut off under action of the spring in the contact; 2. in the chaufeur Physiological Psychology index, as long as when having one to be in critical conditions, loud speaker SP plays statement 2 and " woulds you please have a rest for a moment, can start automobile after index to be detected is normal "; At this moment, micro controller system IC ₁₂The no pulse electric current flows to solid-state relay SSR, and therefore, driving engine can't start; When chaufeur Physiological Psychology situation recover normal after, micro controller system is carried out the program step of 1. planting situation; As long as when 3. having one to be situation about should not drive a vehicle in the chaufeur Physiological Psychology index, loud speaker SP reports statement 3 " you should not drive a vehicle at present Physiological Psychology situation, would you please in time have a physical examination and keep fit "; In this case, driving engine also can't start;

(2) when driving, micro controller system IC ₁₂By timer interface TO in the machine and pulse current interface P3.3 inflation pump is carried out fixed-time control.Micro controller system was connected the inflation pump circuit once every 1 hour, the blood pressure of assurance chaufeur detected 1 time every 1 hour, LCDs IC ₈In time show up-to-date pressure value, other Physiological Psychology index is carried out continual detection, and displayed value is constantly upgraded; Chaufeur can not abandon detecting monitoring in driving, otherwise the micro controller system of monitor can not get under the situation of detected value, will handle by driving a vehicle; In driving, if when following two kinds of situations appear in chaufeur Physiological Psychology situation, micro controller system will send impulse singla to power element by design-calculated program in advance; As long as when 1. having one to be in critical conditions in the chaufeur Physiological Psychology index, loud speaker SP reports statement 4 and " woulds you please the variation and the traffic safety of the situation of looking after one's health "; At the same time, the car speed sensor 15 that is installed in the Automotive transmission mouth sends vehicle speed signal to the micro controller system of monitor, if this moment, the speed of a motor vehicle was greater than 30KM/H, the micro controller system of monitor is pressed design-calculated program in advance, export pulse current by interface P3.1 to the left side of power amplifier T IN1 interface, automotive battery is connected through the out of T 1 interface and electro-hydraulic proportional flow valve 16, magnet coil produces electromagnetic attraction in the valve, under the electromagnetic attraction effect, triangle spool in this valve has overcome spring force and has moved and reduce delivery quality (the output oil mass of electro-hydraulic proportional flow valve changes with the solenoid current size to oil outlet, irrelevant with valve pressure drop), at this moment the chaufeur desire improves the speed of a motor vehicle, increase the Das Gaspedal stroke, still can't increase delivery quality, the speed of a motor vehicle keeps 30KM/H constant,, chaufeur further slows down with brake if but running into the emergency situation close the throttle, after chaufeur Physiological Psychology index is recovered normally, the micro controller system of monitor stops to export pulse current, electro-hydraulic proportional flow valve 16 loses throttling action, delivery quality returns to the flow before slowing down, the speed of a motor vehicle can return to more than the 30KM/H, in this case, chaufeur can utilize throttle to quicken normally and Reduced Speed Now; If 2. chaufeur Physiological Psychology situation continues variation, as long as a situation about should not drive a vehicle occurs, loud speaker SP report statement 5 " you should not drive a vehicle now, would you please vehicle drive is stopped behind stopway immediately, otherwise after two minutes automobile with automatic halting "; This moment monitor micro controller system IC ₁₂Utilize micro controller system IC ₁₂In timer pick up counting, if after two minutes micro controller system IC ₁₂Obtain the speed of a motor vehicle from car speed sensor and be not equal to zero signal, micro controller system IC ₁₂To the maximum pulse current of power amplifier output, make the intensity of current of electro-hydraulic proportional flow valve coil increase to maxim immediately, the triangle spool is under maximum electromagnetic attraction effect, and safety has overcome spring force oil outlet is closed.Owing to cut off delivery quality, driving engine can't be worked, the automobile stagnation of movement; Micro controller system IC ₁₂After obtaining the null signal of the speed of a motor vehicle from car speed sensor 15, just stop to power amplifier transport pulse electric current, the electromagnetic force of electro-hydraulic proportional flow valve disappears thereupon, and the triangle spool returns to the initial position under acting force of the spring; In addition, when loud speaker SP reports, the micro controller system IC of monitor ₁₂By the P3.2 interface in time to power amplifier another side IN ₂Interface transport pulse electric current, conducting urgent flash light flasher circuit, flash light is constantly glimmered, till the speed of a motor vehicle equals zero.

The present invention compared with prior art has following advantage and beneficial effect: (1) this monitor degree of intelligence height, little, the detection monitoring precision height of volume, reliability height; (2) the present invention reflects people's Physiological Psychology situation quality with body temperature, blood pressure, pulse and the brain wave of human body, can detect the chaufeur variation of body temperature, pulse, blood pressure and brain wave when driving with monitor of the present invention, and come to determine the suitability of driver drives vehicle safety thus.In starting vehicle or steering vehicle process, chaufeur Physiological Psychology index occurs and do not meet under the situation that traffic safety requires, this monitor vehicle can't be started or Reduced Speed Now until parking, thereby guaranteed traffic safety; (3) this monitor is easy to use, if after national automobile driver uses the present invention, can reduce more than 65% of China's traffic accident through calculating every year, reduces about tens0000 people of personal casualty, reduces about more than 10 hundred million yuan of direct economic loss; The technology of the present invention is not only applicable to the traffic safety of monitoring equipment motor-car chaufeur, can be used for monitoring the person, the production safety of driving, the safety of navigating and monitoring enterprise power plant operating personal of the chaufeur of transport facilitys such as train, steamer yet.

It is as follows below Figure of description to be further specified book: Fig. 1 is the contour structures connection diagram of intelligent motor vehicle driver monitoring instrument for running safety, Fig. 2 is its circuit block diagram, Fig. 3 is its schematic circuit diagram, Fig. 4 is α, β, θ brain wave measuring electrode contour structures scheme drawing, and Fig. 5 is this monitor watchdog routine FB(flow block).Among each figure: 1 is cabinet, 2 is LCDs, 3 is loud speaker, 4 is plastic casing, 5 is the blood-pressure gage air bag, 6 is the blood-pressure gage wrist strap, 7 is blood-pressure gage inflation pump tracheae, 8 is the blood-pressure gage pre ure tra ducer, 9 is the blood-pressure gage body temperature trans, 10 is the blood-pressure gage pulse transducer, 11 is the signal shielding cable, 12 is the alpha wave measuring electrode, 13 is β, θ brain wave measuring electrode, 14 is the ear-lobe clip, 15 is car speed sensor, 16 is the automobile electro-hydraulic proportional flow valve, 17 is the connecting wire of brain wave measuring electrode.

Embodiments of the present invention can be as follows: (1) is by the casing of this monitor of design shown in Figure 1, optional with engineering plastics and can adopt injection moulding process manufacturing processing casing, choose parts then, for example: LCDs 2 can be chosen the MDLS16268 module, loud speaker 2 can be chosen YD5D type loud speaker, blood-pressure gage can be chosen Omron HEM-609 type blood-pressure gage and supporting blood-pressure gage air bag thereof, wrist strap, inflation pump, pre ure tra ducer, body temperature trans, pulse transducer, and car speed sensor can be chosen Sang Tana 2000GSi car MK20 type; Electro-hydraulic proportional flow valve can be chosen the BQ-8B type; (2) press Fig. 2, shown in Figure 3, draw PCB is also screened components and parts, for example amplifying circuit IC ₁, IC ₂Can select AD620 type measuring amplifier for use, the optional 32～60Hz of crystal oscillator XTAL, active bandwidth-limited circuit IC ₃Optional LMF120 type shielding programmable switch electric capacity active filter; Mould/number (A/D) converter IC ₄Optional ADCO809 type 8 tunnel 8 passage A/D converters, IC ₅Can select the phase inverter of SN74AHG04 for use, IC6 and IC7 can select the decision circuit integration member of SN74AHIG02 for use; Micro controller system IC ₁₂Can select 87C52 for use, the expansion interface chip IC ₁₀Optional 8255, IC ₉Optional 74LS373 latch, sound circuit can be by speech chip IC ₁₃, data memory IC ₁₅, audio amplifier IC ₁₄, loud speaker SP is electrically connected formation, wherein; IC ₁₃Can select the T6668 of Toshiba type speech chip for use, IC ₁₅Optional DRAM2164 type data memory, IC ₁₄Optional TPA0102 audio amplifier, the optional YD5D type of loud speaker SP, Liquid Crystal Display (LCD) IC ₈Optional MDLS16268 LCD MODULE, IC ₁₁The decision circuit integration member of optional SN74C00, the optional JGX-20F of solid-state relay SSR, the Darlington power amplifier of the optional MC1413 of power amplifier T, the optional ADP1073 of DC converter; Can carry out mounting circuit boards and power up simple debugging after having screened components and parts, simultaneously by shown in Figure 4, lacing and processing and manufacturing brain

wave measuring electrode

12,13, again by establishment watchdog routine shown in Figure 5 and solidify in the micro controller system memory, then circuit card is fixed in the casing, and connection is installed by Fig. 1, Fig. 2, the shown in Figure 3 and described annexation of front specification sheets, just can implement this monitor preferably; When using enforcement, carry out operation supervise and control by the described method for supervising of top specification sheets, just can implement the present invention preferably.

Claims

1, a kind of intelligent motor vehicle driver monitoring instrument for running safety, it is characterized in that: it is by cabinet (1), LCDs (2), loud speaker (3), circuit card blood-pressure gage air bag (5), blood-pressure gage wrist strap (6), blood-pressure gage inflation pump tracheae (7), blood-pressure gage pre ure tra ducer (8), blood-pressure gage body temperature trans (9), blood-pressure gage pulse transducer (10), alpha wave measuring electrode (12), β, θ brain wave measuring electrode (13), ear-lobe clip (14), car speed sensor (15), electro-hydraulic proportional flow valve (16) connects and composes jointly, its mutual alignment and annexation are: circuit card is fixedly installed in the casing (1), and LCDs (2) and loud speaker (3) are installed on the machine shell panel top and the bottom respectively and are connected with respective point on the circuit card; Blood-pressure gage air bag (5) is connected with the blood-pressure gage inflation pump by inflation pump tracheae (7), and inflation pump is electrically connected mutually by micro controller system on lead and the circuit card; Pre ure tra ducer (8), body temperature trans (9), pulse transducer (10) respectively by blood pressure transducing signal line, body temperature transducing signal line, pulse transducing signal line respectively with circuit card on corresponding multichannel multi-channel mould/number conversion circuit respective point be electrically connected mutually; Alpha wave measuring electrode (12), β, θ brain wave measuring electrode (13) are electrically connected with amplifying circuit respective point on the circuit card mutually by alpha wave signal cable line, β, θ eeg signal shielded cable (11) respectively; Car speed sensor (15) is electrically connected with multichannel multi-channel mould/number conversion circuit respective point on the circuit card mutually by speed of a motor vehicle transducing signal cable; Electro-hydraulic proportional flow valve (16) is electrically connected mutually by the solid-state relay mouth of driving circuit on signal wire (SW) and the circuit card; Its oil inlet is connected with fuel charger by oil pipe; Oil outlet is connected with the driving engine oil inlet; Ear-lobe clip (14) is electrically connected with amplifying circuit respective point on the circuit card mutually by the signal shielding cable line; Its circuit is by blood pressure, body temperature, the pulses measure sensor, the vehicle speed measurement sensor, α, β, θ brain wave measuring electrode, amplifying circuit, active bandwidth-limited circuit, multichannel multi-channel mould/number (A/D) change-over circuit, DC converter, singlechip CPU (containing the I/O expansion interface circuit), liquid crystal display circuit and by speech chip, memory device, audio amplifier, the sound circuit that loud speaker connects and composes and comprise solid-state relay, the power amplifier driving circuit that constitutes in parallel connects and composes jointly, its interconnected relationship is: blood pressure, body temperature, pulse transducer, car speed sensor passes through blood pressure respectively, body temperature, pulse, the vehicle speed signal line is electrically connected mutually with multichannel multi-channel mould/number (A/D) change-over circuit respectively, α, β, θ brain wave measuring electrode is passed through α respectively, β, θ eeg signal line is electrically connected mutually with amplifying circuit, amplifying circuit is electrically connected with active filter circuit mutually by the amplifying signal output line, and active bandwidth-limited circuit is electrically connected with multiplexer channel mould/number conversion circuit mutually by the filtering signal output line; Singlechip CPU also is electrically connected with blood-pressure gage inflation pump, multichannel multi-channel mould/number (A/D) change-over circuit, DC converter, sound circuit, LCD MODULE circuit, driving circuit respectively by blood-pressure gage inflation pump signal wire (SW), mould/number conversion output line, DC converter power supply output line, voice signal line, display signal line, drive signal line respectively mutually by the I/O expansion interface; And speech chip respectively by storage signal line, sound signal output line be electrically connected mutually with memory device, audio amplifier respectively, audio amplifier connects and composes sound circuit by audio amplification signal output line and loud speaker again; Solid-state relay and power amplifier are in parallel and are electrically connected the formation driving circuit;

2, a kind of traffic safety method for supervising of intelligent motor vehicle driver monitoring instrument for running safety, (1) chaufeur it is characterized in that: before will start vehicle, ear-lobe electrode clip (14) is clipped on the ear-lobe, alpha wave measuring electrode (12), β, θ brain wave measuring electrode (13) are fixed on the epidermis of headrest portion, neck portion with adhesive tape respectively, the wrist strap (6) that pre ure tra ducer (8), pulse transducer (10), body temperature trans (9) are housed is tightened on wrist, and required pre ure tra ducer (8), pulse transducer (10) to aim at the artery of wrist; Then, the automotive ignition key is inserted ignition lock and forwards " ON " position to, monitor is switched on, blood pressure, body temperature, the blood pressure that pulse transducer arrives measurement of inductance, body temperature, the A/D converter that the pulse analog signal is transported to monitor converts digital electric signal to and delivers to micro controller system, α, β, θ brain wave measuring electrode is the α that measures, β, the θ analog signal is transported to amplifier in the monitor after amplifying, flow to micro controller system after sending bandwidth-limited circuit filtering again to, by Single-chip Controlling detected blood pressure, the body temperature pulse shows on LCDs, detected α, β, the θ brain wave compares with the brain wave numerical value that has been stored in memory, will represent the word of chaufeur Physiological Psychology state such as normal or excited again, or it is nervous, or pessimism is illustrated on the LCDs; Simultaneously, under the Control Software program that presets is supported, Physiological Psychology detection architecture according to chaufeur, micro controller system divides three kinds of situations to send signal to the sound circuit and the driving circuit of monitor: 1. when testing result thinks that the Physiological Psychology index of chaufeur meets the traffic safety requirement, the monitor loud speaker is reported the statement 1 be recorded in speech memory in advance: " your present Physiological Psychology index is normal; automobile will start at once, woulds you please drive with caution, and group has a nice trip, smoothly! " at the same time; micro controller system is carried the pulse current in 10 seconds to the solid-state relay input end by the P3.0 interface; make the solid-state relay conducting; the magnet coil of automobile starter electromagnetic switch has electric current to pass through; automobile starter starting; after automobile starter drove the engine starting turn of engine, chaufeur was operated routinely, makes automobile normal running; After 10 seconds, micro controller system stops to export pulse current, and the solid-state relay of monitor ends, and the automobile start machine circuit is cut off; 2. in the chaufeur Physiological Psychology index, as long as when having one to be in critical conditions, loud speaker SP plays statement 2 and " woulds you please have a rest for a moment, can start automobile after index to be detected is normal "; At this moment, micro controller system no pulse electric current flows to solid-state relay, and therefore, driving engine can't start; When chaufeur Physiological Psychology situation recover normal after, micro controller system is carried out the program step of 1. planting situation; As long as when 3. having one to be situation about should not drive a vehicle in the chaufeur Physiological Psychology index, loud speaker SP reports statement 3 " you should not drive a vehicle at present Physiological Psychology situation, would you please in time have a physical examination and keep fit ".In this case, driving engine also can't start; (2) when driving, carry out timing by the timer in the micro controller system, micro controller system was every 1 hour, connect the inflation pump circuit once, the blood pressure of assurance chaufeur detected 1 time every 1 hour, LCDs in time shows up-to-date pressure value, and other Physiological Psychology index is carried out continual detection, and displayed value is constantly upgraded; Chaufeur can not abandon detecting monitoring in driving, otherwise the micro controller system of monitor can not get under the situation of detected value, will handle by driving a vehicle; In driving, if when following two kinds of situations appear in chaufeur Physiological Psychology situation, micro controller system will send impulse singla to power element by design-calculated program in advance; As long as when 1. having one to be in critical conditions in the chaufeur Physiological Psychology index, loud speaker SP reports statement 4 and " woulds you please the variation and the traffic safety of the situation of looking after one's health "; At the same time, the car speed sensor (15) that is installed in the Automotive transmission mouth sends vehicle speed signal to the monitor micro controller system, if this moment, the speed of a motor vehicle was greater than 30KM/H, the micro controller system of monitor is by design-calculated program in advance, from the P3.1 interface to the left side of power amplifier IN ₁Interface output pulse current, the circuit of the electro-hydraulic proportional flow valve of conducting automobile (16), triangle spool in this valve has overcome spring force and has moved and reduce delivery quality to oil outlet, at this moment the chaufeur desire improves the speed of a motor vehicle, increase the Das Gaspedal stroke, still can't increase delivery quality, the speed of a motor vehicle keeps 30KM/H constant, if but chaufeur runs into the emergency situation close the throttle and further slows down with brake, after chaufeur Physiological Psychology index is recovered normally, the micro controller system of monitor stops to export pulse current, electro-hydraulic proportional flow valve (16) loses throttling action, and delivery quality returns to the flow before slowing down, and the speed of a motor vehicle can return to more than the 30KM/H, in this case, chaufeur can utilize throttle to quicken normally and Reduced Speed Now; If 2. chaufeur Physiological Psychology situation continues variation, as long as a situation about should not drive a vehicle occurs, loud speaker SP will report statement 5 " you should not drive a vehicle now, would you please vehicle drive is stopped behind the stopway immediately, otherwise after two minutes automobile with automatic halting ".This moment, the micro controller system of monitor utilized the timer in the micro controller system to pick up counting, if micro controller system obtains the speed of a motor vehicle from car speed sensor and is not equal to zero signal after two minutes, micro controller system is immediately to the maximum pulse current of power amplifier output, make the intensity of current of electro-hydraulic proportional flow valve coil increase to maxim, the triangle spool is under maximum electromagnetic attraction effect, and safety has overcome spring force oil outlet is closed.Owing to cut off delivery quality, driving engine can't be worked, after automobile stagnation of movement micro controller system obtains the null signal of the speed of a motor vehicle from car speed sensor (15), just stop to power amplifier transport pulse electric current, the electromagnetic force of electro-hydraulic proportional flow valve disappears thereupon, and the triangle spool returns to the initial position under acting force of the spring; In addition, when loud speaker was reported, the micro controller system of monitor passed through the P3.2 interface in time to power amplifier another side IN ₂Interface transport pulse electric current, conducting urgent flash light flasher circuit, flash light is constantly glimmered, till the speed of a motor vehicle equals zero.