CN104434066A - Physiologic signal monitoring system and method of driver - Google Patents
Physiologic signal monitoring system and method of driver Download PDFInfo
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- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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Abstract
The invention discloses a physiologic signal monitoring system and a method of a driver. The system comprises a sensor module, an amplifying circuit, a filter circuit, a self-learning module, a CPU (Central Processing Unit) and an automobile control system, wherein the sensor module comprises a plurality of sensors for detecting a plurality of physiologic signals of the driver; the amplifying circuit is connected with the sensors of the sensor module and used for amplifying the physiologic signals detected by the sensors; the filter circuit is used for filtering the amplified physiologic signals to remove interfering signals; the self-learning module carries out self-learning to statistically obtain normal values of the physiologic signals of the driver and takes the normal values as reference values for judging whether the driver is in a fatigue driving state; the CPU acquires the physiologic signals of the driver and compare the physiologic signals with the reference values to judge whether the driver is in a drunk driving wait or fatigue driving state, and transmits a control signal to the automobile control system according to a compared result; and the automobile control system is controlled by the control signal transmitted by the CPU. The system and the method realize real-time monitoring of the physiologic signals of the driver.
Description
Technical field
To the present invention relates in public transport physiological driver's signal detection technique field, particularly relate to a kind of physiological driver's signal monitoring system and method.
Background technology
In recent years along with the increase of automobile quantity and the expansion of highway construction scale, the problems such as vehicle accident become increasingly conspicuous, and wherein drive when intoxicated and the main cause causing vehicle accident during fatigue driving.
For driving when intoxicated, although traffic increases supervision at drunk driving this respect, alcohol content tester is a kind of passive type testing fixture, namely suspects its whether insobriety when traffic police finds that driver is abnormal, just carries out ethanol inspection to it.We only stop to drive when intoxicated and could reduce drunk driving accident, when therefore we need set of device detection ethanol solubility to exceed setting value, and No starting automotive control system (SBC).
Fatigue driving refers to that driver occurs tired state in the process of driving, and causing can not normal driving.After driver produces fatigue, ability of thinking declines, and bradykinesia, disperses in attention, visual deterioration.When fatigue conditions appears in driver in driving procedure, easily cause vehicle accident.Because vehicle accident is not occurring in time producing tired, if a kind of method can be found, the mental status detecting driver in real time in driving (passes through pulse, blood pressure, body temperature etc. react), just occur just giving the alarm or automatic retarding when driving tired sign at them, even parking is had a rest, driver's mental status tired for fatigue is sent to Vehicle Detection center simultaneously and carries out control, and the driver of driver's mental status information tired for fatigue to this du vehicule is initiated a message, allow the careful traveling of the vehicle of surrounding, (return normal) after driver's mental status that this fatigue is tired obtains process simultaneously, vehicle again to this du vehicule sends safety signal again, in order to avoid the periphery driver moment keeps high-pressure state.So just effectively can ensure traffic safety.
Summary of the invention
For overcoming the deficiency that above-mentioned prior art exists, the object of the present invention is to provide a kind of physiological driver's signal monitoring system and method, not only achieve the real-time monitoring of physiological driver's signal, driver and traffic control center can be pointed out in time, and nearby vehicle can be made to be reminded in time, further increase the safety of driving.
For reaching above-mentioned and other object, the present invention proposes a kind of physiological driver's signal monitoring system, at least comprises:
Sensor assembly, comprises multiple sensor, for detecting multiple physiological signals of driver;
Amplifying circuit, connects each sensor of this sensor assembly, amplifies for the physiological signal detected by each sensor;
Filter circuit, for carrying out filtering, with filtering interfering signal wherein by the physiological signal after amplification;
Self-learning module, carries out self study, and statistics obtains the normal value of each physiological signal of driver, and it can be used as the reference value judging whether to be in fatigue driving state;
CPU processing unit, the physiological signal of Real-time Obtaining driver, and itself and each reference value are compared, judge whether driver is in and wait after drinking to drive or fatigue driving state, send a control signal to automotive control system according to comparative result;
Automotive control system, the control signal sent by this CPU processing unit controls.
Further, this sensor assembly at least comprises the pressure transducer for detecting driver's blood pressure signal, for detecting the pulse transducer of physiological driver's pulse signal, for detecting the infrared heat pyroelectric sensor of driver's temperature signals, for detecting the alcohol sensor of ethanol solubility in driver's blood, for the ethanol solubility signal that this alcohol sensor detects, itself and ethanol solubility reference value compare by this CPU processing unit, if the ethanol solubility signal detected is greater than ethanol solubility reference value, control signal is sent to automotive control system, automobile cannot be started, if the ethanol solubility signal detected is less than ethanol solubility reference value, then this CPU processing unit controls to enter self-learning module, this self-learning module enters adaptive learning, count the pressure value of a period of time driver, frequency of pulse, body temperature numerical value, and be defined as normal value respectively, using these three values as judging whether the reference value being in fatigue driving state.
Further, after this CPU processing unit detects blood pressure signal, pulse signal and the temperature signals obtaining the driver after analog digital conversion in real time, its reference value counted with this self-learning module is respectively compared, if wherein when any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value, this CPU processing unit exports control signal to this automotive control system, controls automobile and carries out automatic retarding.
Further, when this CPU processing unit judge wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value time, trigger corresponding intervalometer and carry out timing, when judging that wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value and persistent period are more than a scheduled time, this CPU processing unit exports control signal to this automotive control system, controls automobile and carries out parked state.
Further, this system also comprises the first alarm device, and this first alarm device connects this CPU processing unit, and this CPU processing unit controls this first alarm device according to judged result and reports to the police.
Further, this system also comprises a GSM dispatching station, radio access point, one GSM receiving station, traffic control center and Secondary Report alarm device, one GSM dispatching station connects this CPU processing unit, and connect a GSM receiving station by this radio access point, for relevant physiological signal that this CPU processing unit is detected and geographical location information by being wirelessly transmitted to this radio access point, one GSM receiving station receives the related data in different physiological driver's signal and geographical position by this radio access point, and send this traffic control center to, this traffic control center receives the related data in different physiological driver's signal and geographical position from this radio access point by a GSM receiving station, be in after drinking/position of fatigue driving driver and physiological signal situation to filter out, this Secondary Report alarm device connects this traffic control center, alarm is sent with the judged result according to this traffic control center.
Further, this system also comprises the 2nd GSM dispatching station and the 2nd GSM receiving station, this traffic control center by detect be in after drinking/position of fatigue driving driver and physiologic information be sent to this radio access point by the 2nd GSM dispatching station, 2nd GSM receiving station connects the 2nd GSM dispatching station by this radio access point, receive the related data that this traffic control center sends, so that driver is received by wireless the related data that this traffic control center sends around.
For achieving the above object, the present invention also provides a kind of physiological driver's signal monitoring method, comprises the steps:
Step one, utilizes alcohol sensor to detect the ethanol solubility of driver, and compares with ethanol solubility reference value.
Step 2, if the ethanol solubility value detected is greater than ethanol solubility reference value, then judges that driver is in and waits after drinking to drive, send a control signal to automotive control system, automobile cannot be started; If the ethanol solubility value detected is less than ethanol solubility reference value, then enter step 3;
Step 3, enters adaptive learning, continues the blood pressure signal of detection driver, pulse signal and temperature signals, pressure value, pulse value and body temperature value that in statistics a period of time, driver is stable, and it can be used as the reference value judging driver tired driving index.
Step 4, detects the blood pressure signal of driver, pulse signal and temperature signals in real time;
Step 5, compares the reference value of the blood pressure signal detected in real time, pulse signal and temperature signals and driver tired driving index, sends a control signal to automotive control system or the first alarm device according to comparative result.
Further, in step 5, after the blood pressure signal detected in real time, pulse signal and temperature signals and reference value are made comparisons, if wherein when any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value, driver is judged as slight fatigue driving, control this first alarm device and carry out alarm, and export control signal to automotive control system, make automobile carry out automatic retarding.
Further, if wherein when any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value, trigger corresponding intervalometer and carry out timing, if wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value persistent period are more than a scheduled time, driver is judged as degree of depth fatigue driving, control this first alarm device and carry out alarm, simultaneously also by exporting control signal to automotive control system, automobile is made to carry out parked state.
Compared with prior art, a kind of physiological driver's signal monitoring of the present invention system and method utilizes multiple sensor to detect physiological driver's signal, by the normal value of each physiological signal of self-learning module statistics driver, and the physiological signal value detected in real time and normal value are compared, the work of automotive control system is controlled according to comparative result, and carry out corresponding warning, simultaneously, the physiological signal of driver and relevant information are also sent to traffic control center by radio access point by the present invention in real time, by radio access point, the signal data of improper driver is sent to surrounding vehicles user by traffic control center, not only achieve the real-time monitoring of physiological driver's signal, driver and traffic control center are pointed out in time, and nearby vehicle can be made to be reminded in time, further increase the safety of driving.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the preferred embodiment of a kind of physiological driver's signal monitoring of the present invention system;
Fig. 2 is the flow chart of steps of a kind of physiological driver's signal monitoring method of the present invention;
Fig. 3 is the thin portion flow chart of the preferred embodiment of the present invention.
Detailed description of the invention
Below by way of specific instantiation and accompanying drawings embodiments of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by content disclosed in the present specification.The present invention is also implemented by other different instantiation or is applied, and the every details in this description also can based on different viewpoints and application, carries out various modification and change not deviating under spirit of the present invention.
Fig. 1 is the system architecture diagram of the preferred embodiment of a kind of physiological driver's signal monitoring of the present invention system.As shown in Figure 1, a kind of physiological driver's signal monitoring of the present invention system, comprising: sensor assembly 1, amplifying circuit 5, filter circuit 6, CPU processing unit 9, self-learning module 12, first alarm device 11, automotive control system 13.
Wherein, sensor assembly 1 comprises multiple sensor, for detecting multiple physiological signals of driver, in present pre-ferred embodiments, sensor assembly 1 comprises pressure transducer 11, pulse transducer 12, infrared heat pyroelectric sensor 13, alcohol sensor 14, pressure transducer 11 is for detecting driver's blood pressure signal, to judge whether driver is in fatigue driving index 1, pulse transducer 12, for detecting physiological driver's pulse signal, to judge whether driver is in fatigue driving index 2, infrared heat pyroelectric sensor 13, for detecting driver's temperature signals, to judge whether driver is in fatigue driving index 3, alcohol sensor 14 is for detecting ethanol solubility in driver's blood, to judge whether driver is in wait after drinking to drive, amplifying circuit 20, connect each sensor, physiological signal for being detected by sensor amplifies, specifically, for blood pressure signal, the temperature signals of infrared heat pyroelectric sensor 13 detection and the ethanol solubility signal of alcohol sensor 14 detection that pressure transducer 11 detects, amplifying circuit 5 adopts common emitter amplifying circuit, and faint for the pulse signal of pulse transducer 12 detection, and amplifying circuit 5 adopts the multistage amplification of difference channel, filter circuit 6 is for carrying out filtering, with filtering interfering signal wherein by the physiological signal after amplification, self-learning module 12 carry out detection ethanol solubility normal after, enter adaptive learning, by counting pressure value, frequency of pulse, the body temperature numerical value of a period of time driver, and be defined as normal value respectively, using these three values as judging whether the reference value being in fatigue driving state, CPU processing unit 9 inside carries A/D modular converter 91 and CAN 92, the normal value of the physiological signal that the physiological signal of the driver of real-time detection and ethanol solubility reference value or self-learning module 12 self study obtain judges, judge whether driver is in wait after drinking to drive or fatigue driving state, specifically, after filtered physiological signal is carried out analog digital conversion by CPU processing unit 9, for ethanol solubility signal, itself and ethanol solubility reference value (being 0.2mg/ml in present pre-ferred embodiments) are compared, if the ethanol solubility signal detected is greater than ethanol solubility reference value, illustrate that this driver is in state to be driven after drinking, automobile can not start, then by CAN 92, control signal is sent to automotive control system 13, automobile cannot be started, simultaneously CPU processing unit 9 also controls the first alarm device 11 and reports to the police, if the ethanol solubility signal detected is less than ethanol solubility reference value, then show that this driver passes through alcohol detection, then this CPU processing unit 9 controls to enter self-learning module 12, self-learning module 12 enters adaptive learning, by counting the pressure value of a period of time driver, frequency of pulse, body temperature numerical value, and be defined as normal value respectively, using these three values as judging whether the reference value being in fatigue driving state, when this CPU processing unit 9 detects the blood pressure signal obtaining the driver after analog digital conversion in real time, after pulse signal and temperature signals, its reference value counted with self-learning module 12 is respectively compared, export control signal according to comparative result and control automotive control system 13, and control the first alarm device 11 and work, specifically, if wherein when any one group of data value >15%* reference value or <15%* reference value, driver is judged as slight fatigue driving, CPU processing unit 9 controls the first alarm device 11 and carries out alarm, and export control signal to automotive control system (SBC) 13 by CAN 92, automobile carries out automatic retarding, first alarm device 11 is arranged in drive window, if driver is in after drinking or fatigue driving, its control signal receiving CPU processing unit 9 gives the alarm, driver is pointed out.
Preferably, when CPU processing unit 9 judge wherein any one group of data value >15%* reference value or <15%* reference value time, trigger corresponding intervalometer and carry out timing, when judging that wherein any one group of data value >15%* reference value or <15%* reference value and persistent period were more than 3 minutes, driver is judged as degree of depth fatigue driving, CPU processing unit 9 controls the first alarm device 11 and carries out alarm, and output signal to automotive control system (SBC) 13 by CAN 92, automobile carries out parked state.
Preferably, a kind of physiological driver's signal monitoring of the present invention system also comprises display device 10, and display module 10 connects CPU processing unit 9, can be used for all data results showing the acquisition of CPU processing unit 9, in present pre-ferred embodiments, display device 10 is LED display.
Preferably, a kind of physiological driver's signal monitoring of the present invention system also comprises outside input module 7 and GPS module 8, outside input module 7 connects CPU processing unit 9, to accept outside input control, can be a function keyboard at the outside input module 7 of present pre-ferred embodiments, this function keyboard can be used for arranging ethanol/fatigue driving and detects, and GPS module 8 connects CPU processing unit 9, for positioning Current vehicle, so that traffic control center is to fatigue/wagon control of driving when intoxicated.
Preferably, physiological driver's signal monitoring system of the present invention also comprises a GSM dispatching station (GSM dispatching station 1) 14, radio access point 15, one GSM receiving station (GSM receiving station 1) 16 and traffic control center 17, one GSM dispatching station 14 connects CPU processing unit 9, and connect a GSM receiving station 16 by radio access point, for relevant physiological signal that CPU processing unit 9 is detected and geographical location information by being wirelessly transmitted to radio access point, one GSM receiving station 16 receives the related data in different physiological driver's signal and geographical position by radio access point, and send traffic control center 17 to, traffic control center 17 receives the related data in different physiological driver's signal and geographical position from radio access point by GSM receiving station 1, be in after drinking/position of fatigue driving driver and physiological signal situation to filter out.
Preferably, physiological driver's signal monitoring system of the present invention also comprises the 2nd GSM dispatching station (GSM dispatching station 2) 19 and the 2nd GSM receiving station (GSM receiving station 2) 20, traffic control center 17 by detect be in after drinking/position of fatigue driving driver and physiologic information be sent to driver around by the 2nd GSM dispatching station 19; 2nd GSM receiving station 20 connects the 2nd GSM dispatching station by radio access point, receives the related data that traffic control center sends, so that around driver is received by wireless the related data that traffic control center sends.
Preferably, physiological driver's signal monitoring system of the present invention also comprises Secondary Report alarm device 18, Secondary Report alarm device 18 connects traffic control center 17, if traffic control center 17 detects that certain vehicle is in after drinking or fatigue driving, then control Secondary Report alarm device 18 to give the alarm, prompting relevant staff, and the driver vehicle location detected and relevant physiological signal data are sent to rapidly the periphery driver of this automobile
Fig. 2 is the flow chart of steps of a kind of physiological driver's signal monitoring method of the present invention.As shown in Figure 2, a kind of physiological driver's signal monitoring method of the present invention, comprises the steps:
Step 201, utilizes alcohol sensor to detect the ethanol solubility of driver, and compares with ethanol solubility reference value.
Step 202, if the ethanol solubility value detected is greater than ethanol solubility reference value, then judges that driver is in and waits after drinking to drive, send a control signal to automotive control system, automobile cannot be started; If the ethanol solubility value detected is less than ethanol solubility reference value, then enter step 203, in present pre-ferred embodiments, ethanol solubility reference value is 0.2mg/ml.
Step 203, enters adaptive learning, continues the blood pressure signal of detection driver, pulse signal and temperature signals, pressure value, pulse value and body temperature value that statistics driver is stable, and it can be used as the reference value judging driver tired driving index.
Step 204, detects the blood pressure signal of driver, pulse signal and temperature signals in real time.
Step 205, compares the reference value of the blood pressure signal detected in real time, pulse signal and temperature signals and driver tired driving index, sends a control signal to automotive control system and the first alarm device according to comparative result.
In step 205, after the blood pressure signal detected in real time, pulse signal and temperature signals and reference value are made comparisons, if wherein when any one group of data value >15%* reference value or <15%* reference value, driver is judged as slight fatigue driving, control the first alarm device and carry out alarm, and export control signal to automotive control system, make automobile carry out automatic retarding.
Further, if wherein when any one group of data value >15%* reference value or <15%* reference value, trigger corresponding intervalometer and carry out timing, if wherein any one group of data value >15%* reference value or <15%* reference value persistent period were more than 3 minutes, driver is judged as degree of depth fatigue driving, control the first alarm device 1 and carry out alarm, simultaneously also by exporting control signal to automotive control system, automobile is made to carry out parked state.
Preferably, after step 205, also comprise the steps:
By wireless, the physiological signal of the driver detected, the reference value of driver tired driving index, the positional information of vehicle are sent to radio access point;
Traffic control center by GSM receiving station from radio access point receive corresponding number and carry out judgement process, if go beyond the scope, then control second control device report to the police.
Preferably, improper driver's signal data is also sent to radio access point by GSM dispatching station by traffic control center;
The relevant informations such as the position of improper driver, license plate number, car plate model and the mental status by GSM receiving station Received signal strength, and show by surrounding vehicles user on LED display, point out and oneself carefully to drive.
Certainly, when traffic control center judge improper driver's signal data recover normal after, then send safety signal, in order to avoid the periphery driver moment keeps high-pressure state by radio access point to the surrounding vehicles user of this vehicle.
Fig. 3 is the thin portion flow chart of the preferred embodiment of the present invention.Below will further illustrate the present invention by a specific embodiment: after physiological driver's signal monitoring system power-up startup of the present invention, first CPU processing unit 9 detects ethanol solubility by alcohol sensor 14, if the ethanol solubility value detected is greater than 0.2mg/ml, then judge that driver is in wait after drinking to drive, the data of process are sent to automotive control system (SBC) 13 by CAN 92 by CPU processing unit 9, and automobile cannot be started (not passing through alcohol detection).
Further, when driver is by after alcohol detection, enter self-learning module 12, driver's blood pressure signal is detected by pressure transducer 11, amplified by voltage amplifier circuit 5 pairs of voltages, interfering signal is removed by filter circuit 6, be sent to CPU processing unit 9, analog digital conversion is carried out by A/D modular converter 91, obtain accessible digital signal, and add up the stable pressure value of driver, and be defined as normal pressure value, using this normal pressure value as the reference value (storing normotensive value X) judging fatigue driving index 1; Driver's pulse signal is detected by pulse transducer 2, amplified by low pass voltage amplifier circuit 5 pairs of voltages, interfering signal is removed by filter circuit 6, be sent to CPU processing unit 9, by A/D modular converter 91 analog digital conversion, obtain accessible digital signal, and add up the stable frequency of pulse of driver, and be defined as normal Pulse Rate, using this normal Pulse Rate as the reference value (storing normal pulse number of times Y) judging fatigue driving index 2; Driver's temperature signals is detected by infrared thermal releasing sensor 3, amplified by low pass voltage amplifier circuit 5 pairs of voltages, interfering signal is removed by filter circuit 6, be sent to CPU processing unit 9, by A/D modular converter 91 analog digital conversion, obtain accessible digital signal, and add up the stable body temperature numerical value of driver, and be defined as normal body temperature value, using this normal body temperature value as the reference value (storing regular temperature value Z) judging fatigue driving index 3.
Real-time detection driver blood pressure signal, pulse signal and temperature signals, after the blood pressure signal detected in real time, pulse signal and temperature signals are made comparisons with reference index 1, index 2, index 3 respectively, if wherein when any one group of data value >15%* reference value or <15%* reference value, driver is judged as slight fatigue driving, first alarm device 11 carries out alarm, and outputing signal to automotive control system (SBC) 13 by CAN 92, automobile carries out automatic retarding.
Further, after the index 1 detected in real time, index 2, index 3 are made comparisons with reference index 1, index 2, index 3, if wherein any one group of data value >15%* reference value or <15%* reference value persistent period were more than 3 minutes, driver is judged as degree of depth fatigue driving, first alarm device 11 carries out alarm, and outputing signal to automotive control system (SBC) 13 by CAN 92, automobile carries out parked state.
After this system power-up starts, all data results all show in real time on LED display 10.By GPS, vehicle is positioned.
Further, one GSM dispatching station 14 (GSM dispatching station 1) by wireless CPU processing unit 9 is processed after reference index 1, index 2, index 3, the index 1 of real-time detection, index 2, index 3, GPS positions data to vehicle and alcohol detection signal data is sent to radio access point, traffic control center 17 passes through a GSM receiving station 16 (GSM receiving station 1) from radio access point Received signal strength data, if go beyond the scope, report to the police, improper driver's signal data is also sent to radio access point by the 2nd GSM dispatching station 19 (GSM dispatching station 2) by traffic control center 17, surrounding vehicles user is by the 2nd GSM receiving station 20 (GSM receiving station 2) acknowledge(ment) signal, and by the position of improper driver, license plate number, car plate model and the mental status show on LED display, point out and oneself carefully to drive.
Further, traffic control center, by the situation of feedback, punishes accordingly to improper driver, avoids major criminal, ensures traffic safety.
In sum, a kind of physiological driver's signal monitoring of the present invention system and method utilizes multiple sensor to detect physiological driver's signal, by the normal value of each physiological signal of self-learning module statistics driver, and the physiological signal value detected in real time and normal value are compared, the work of automotive control system is controlled according to comparative result, and carry out corresponding warning, simultaneously, the physiological signal of driver and relevant information are also sent to traffic control center by radio access point by the present invention in real time, by radio access point, the signal data of improper driver is sent to surrounding vehicles user by traffic control center, not only achieve the real-time monitoring of physiological driver's signal, and nearby vehicle can be made to be reminded in time, further increase the safety of driving.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any those skilled in the art all without prejudice under spirit of the present invention and category, can carry out modifying to above-described embodiment and change.Therefore, the scope of the present invention, should listed by claims.
Claims (10)
1. physiological driver's signal monitoring system, at least comprises:
Sensor assembly, comprises multiple sensor, for detecting multiple physiological signals of driver;
Amplifying circuit, connects each sensor of this sensor assembly, amplifies for the physiological signal detected by each sensor;
Filter circuit, for carrying out filtering, with filtering interfering signal wherein by the physiological signal after amplification;
Self-learning module, carries out self study, and statistics obtains the normal value of each physiological signal of driver, and it can be used as the reference value judging whether to be in fatigue driving state;
CPU processing unit, the physiological signal of Real-time Obtaining driver, and itself and each reference value are compared, judge whether driver is in and wait after drinking to drive or fatigue driving state, send a control signal to automotive control system according to comparative result;
Automotive control system, the control signal sent by this CPU processing unit controls.
2. a kind of physiological driver's signal monitoring system as claimed in claim 1, it is characterized in that: this sensor assembly at least comprises the pressure transducer for detecting driver's blood pressure signal, for detecting the pulse transducer of physiological driver's pulse signal, for detecting the infrared heat pyroelectric sensor of driver's temperature signals, for detecting the alcohol sensor of ethanol solubility in driver's blood, for the ethanol solubility signal that this alcohol sensor detects, itself and ethanol solubility reference value compare by this CPU processing unit, if the ethanol solubility signal detected is greater than ethanol solubility reference value, control signal is sent to automotive control system, automobile cannot be started, if the ethanol solubility signal detected is less than ethanol solubility reference value, then this CPU processing unit controls to enter self-learning module, this self-learning module enters adaptive learning, count the pressure value of a period of time driver, frequency of pulse, body temperature numerical value, and be defined as normal value respectively, using these three values as judging whether the reference value being in fatigue driving state.
3. a kind of physiological driver's signal monitoring system as claimed in claim 2, it is characterized in that: after this CPU processing unit detects blood pressure signal, pulse signal and the temperature signals obtaining the driver after analog digital conversion in real time, its reference value counted with this self-learning module is respectively compared, if wherein when any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value, this CPU processing unit exports control signal to this automotive control system, controls automobile and carries out automatic retarding.
4. a kind of physiological driver's signal monitoring system as claimed in claim 3, it is characterized in that: when this CPU processing unit judge wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value time, trigger corresponding intervalometer and carry out timing, when judging that wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value and persistent period are more than a scheduled time, this CPU processing unit exports control signal to this automotive control system, control automobile and carry out parked state.
5. a kind of physiological driver's signal monitoring system as claimed in claim 4, it is characterized in that: this system also comprises the first alarm device, this first alarm device connects this CPU processing unit, and this CPU processing unit controls this first alarm device according to judged result and reports to the police.
6. a kind of physiological driver's signal monitoring system as claimed in claim 2, it is characterized in that: this system also comprises a GSM dispatching station, radio access point, one GSM receiving station, traffic control center and Secondary Report alarm device, one GSM dispatching station connects this CPU processing unit, and connect a GSM receiving station by this radio access point, for relevant physiological signal that this CPU processing unit is detected and geographical location information by being wirelessly transmitted to this radio access point, one GSM receiving station receives the related data in different physiological driver's signal and geographical position by this radio access point, and send this traffic control center to, this traffic control center receives the related data in different physiological driver's signal and geographical position from this radio access point by a GSM receiving station, be in after drinking/position of fatigue driving driver and physiological signal situation to filter out, this Secondary Report alarm device connects this traffic control center, alarm is sent with the judged result according to this traffic control center.
7. a kind of physiological driver's signal monitoring system as claimed in claim 6, it is characterized in that: this system also comprises the 2nd GSM dispatching station and the 2nd GSM receiving station, this traffic control center by detect be in after drinking/position of fatigue driving driver and physiologic information be sent to this radio access point by the 2nd GSM dispatching station, 2nd GSM receiving station connects the 2nd GSM dispatching station by this radio access point, receive the related data that this traffic control center sends, so that around driver is received by wireless the related data that this traffic control center sends.
8. physiological driver's signal monitoring method, comprises the steps:
Step one, utilizes alcohol sensor to detect the ethanol solubility of driver, and compares with ethanol solubility reference value.
Step 2, if the ethanol solubility value detected is greater than ethanol solubility reference value, then judges that driver is in and waits after drinking to drive, send a control signal to automotive control system, automobile cannot be started; If the ethanol solubility value detected is less than ethanol solubility reference value, then enter step 3;
Step 3, enters adaptive learning, continues the blood pressure signal of detection driver, pulse signal and temperature signals, pressure value, pulse value and body temperature value that in statistics a period of time, driver is stable, and it can be used as the reference value judging driver tired driving index.
Step 4, detects the blood pressure signal of driver, pulse signal and temperature signals in real time;
Step 5, compares the reference value of the blood pressure signal detected in real time, pulse signal and temperature signals and driver tired driving index, sends a control signal to automotive control system or the first alarm device according to comparative result.
9. a kind of physiological driver's signal monitoring method as claimed in claim 8, it is characterized in that: in step 5, after the blood pressure signal detected in real time, pulse signal and temperature signals and reference value are made comparisons, if wherein when any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value, driver is judged as slight fatigue driving, control this first alarm device and carry out alarm, and export control signal to automotive control system, make automobile carry out automatic retarding.
10. a kind of physiological driver's signal monitoring method as claimed in claim 9, it is characterized in that: if wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value time, trigger corresponding intervalometer and carry out timing, if wherein any one group of data value > predetermined ratio * reference value or < predetermined ratio * reference value persistent period are more than a scheduled time, driver is judged as degree of depth fatigue driving, control this first alarm device and carry out alarm, simultaneously also by exporting control signal to automotive control system, automobile is made to carry out parked state.
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