CN105433924A - Taxi driver body guardianship method - Google Patents
Taxi driver body guardianship method Download PDFInfo
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0002—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network
- A61B5/0004—Remote monitoring of patients using telemetry, e.g. transmission of vital signals via a communication network characterised by the type of physiological signal transmitted
- A61B5/0006—ECG or EEG signals
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- 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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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/318—Heart-related electrical modalities, e.g. electrocardiography [ECG]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7203—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal
- A61B5/7207—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts
- A61B5/721—Signal processing specially adapted for physiological signals or for diagnostic purposes for noise prevention, reduction or removal of noise induced by motion artifacts using a separate sensor to detect motion or using motion information derived from signals other than the physiological signal to be measured
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- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7225—Details of analog processing, e.g. isolation amplifier, gain or sensitivity adjustment, filtering, baseline or drift compensation
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- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/746—Alarms related to a physiological condition, e.g. details of setting alarm thresholds or avoiding false alarms
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- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient ; user input means
- A61B5/7465—Arrangements for interactive communication between patient and care services, e.g. by using a telephone network
- A61B5/747—Arrangements for interactive communication between patient and care services, e.g. by using a telephone network in case of emergency, i.e. alerting emergency services
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2503/00—Evaluating a particular growth phase or type of persons or animals
- A61B2503/20—Workers
- A61B2503/22—Motor vehicles operators, e.g. drivers, pilots, captains
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Abstract
The invention relates to a taxi driver body guardianship method. The method includes the steps of firstly, providing a taxi driver body guardianship device, wherein the guardianship device comprises a pulse detection device, an emergency wireless communication device, a push-pull face plate and an AVR32 chip, the push-pull face plate covers the emergency wireless communication device, the pulse detection device is used for extracting pulse information of drivers in taxi cabs, the AVR32 chip is connected with the pulse detection device, the emergency wireless communication device and the push-pull face plate and determines whether to start the emergency wireless communication device or not according to the extracted pulse information; secondly, running the device.
Description
Technical field
The present invention relates to health monitoring field, particularly relate to a kind of cab driving personnel health monitoring method.
Background technology
Taxi, Taiwan is called taxi, and Guangdong and Hong Kong and Macao are called taxi, and Singapore and Malaysia one band are then called moral scholar; Be a kind of vehicles of charging by meter, charge is general high compared with other vehicles.Taxi English " TAXI " is the abbreviation of " taximeter ", is " meter " or " speedometer ".TAXI calls the turn spelling equally at nine national languages in fact: English, French, German, Swedish, Danish, Norwegian, Spanish, Dutch, Portuguese.
Taxi occupies one seat because it is conveniently dexterous in urban public transport, and even some middle-long distances travelling, guests, in order to save worry, is also ready employ taxi and be unwilling in person to drive.Taxi for people bring trip easily simultaneously also band serve traffic problems, the fuse cord of these traffic problems have objectively also have subjective.Objective factor comprises the vehicle trouble of taxi own, and subjective factor comprises the driving condition of taximan.
Concentrate in objective factor to the monitoring of taxi in prior art, and to the driver driven a taxi, corresponding monitoring means are limited, it is more the video monitoring to cab-getter position, even if having some for the monitoring means of driver's cabin, also is mostly detections to the limited physical quantity such as cabin interior temperature, humidity, air pressure, lacks the detection of the physiological status to driver, say nothing of and adopt when driver status is abnormal, notify the communication mechanism of passenger in time.
But in fact, the driving condition of driver is extremely important, on the one hand, driver's spirit hypertonicity or ill situation may be there is, if do not notify that other staff carry out rescuing and replacing driving, be easy to the economic loss caused casualties, on the other hand, also may occur the situation of driver's dangerous driving, at this moment the physiological parameter of driver there will be some omens usually.
As can be seen here, there is following technical problem in prior art: (1) lacks effective physiological driver's condition detecting device; (2) effective physiological parameter early warning mechanism is lacked; (3) shortage promptly can trigger at hour of danger and help passenger and taxi operation center to set up the urgency communication passage contacted.
Therefore, the present invention proposes a kind of cab driving personnel health monitor device, pulse signal and the ECG signal of the driver of steering position can be understood in time, abnormal once appearance, the assistance that urgency communication mechanism is located to help passenger to seek to hire a car operation centre can be started, thus effectively avoid spreading of taxi accident, improve urban transportation traffic efficiency.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of cab driving personnel health monitor device, utilize targetedly, can be used for the extraction that the pulse monitoring equipment of the cramped construction of cab driving room and electrocardiogram watch-dog realize pulse information to the driver of steering position and ECG information respectively, and trigger alarm is machine-processed when exception, more crucially, the triggering passenger urgency traffic passage when exception, helps passenger to relate to external assistance as early as possible.
According to an aspect of the present invention, provide a kind of cab driving personnel health monitor device, described monitor device comprises pulse detection equipment, emergency wireless communication equipment, can plug-type panel and AVR32 chip, describedly can cover described emergency wireless communication equipment by plug-type panel, described pulse detection equipment is used for extracting the pulse information of the human pilot of cab driving indoor, described AVR32 chip and described pulse detection equipment, described emergency wireless communication equipment can be connected by plug-type panel respectively with described, pulse information according to extracting determines whether to start described emergency wireless communication equipment.
More specifically, in described cab driving personnel health monitor device, comprising: emergency wireless communication equipment, be positioned at taxi car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link; Can plug-type panel, be embedded in taxi body inner side, be connected with AVR32 chip, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication equipment is pushed to cover described emergency wireless communication equipment, also when receiving abnormality signal, automatically pulling open from the dead ahead of described emergency wireless communication equipment and retracting to the right side of described emergency wireless communication equipment; Communication opening device, being connected respectively with described AVR32 chip and described emergency wireless communication equipment, for when receiving abnormality signal, starting described emergency wireless communication equipment, when receiving normal state signal, close described emergency wireless communication equipment; Independently-powered equipment, with described emergency wireless communication equipment, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication equipment, describedly can provides supply of electric power with the described opening device that communicates by plug-type panel; First resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode; Second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode; First electric capacity, other end ground connection; 4th resistance, one end is connected with the negative terminal of infrared-emitting diode; Second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage; 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Infrared-emitting diode, be arranged on cab driving personnel ear's blood capillary position, for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on cab driving personnel ear's blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmiting human pilot ear blood capillary of hiring a car; Signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at cab driving personnel body surface place, for extracting multiple voltages that human pilot cardioelectric field of hiring a car produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position cab driving personnel produce because of breathing and human motion; Movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage; Lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting; Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference; Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction; Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of human pilot of hiring a car based on described digitized voltage difference; AVR32 chip, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal; Wherein, described electrocardio voltage difference comprises multiple voltage difference; Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V; Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company; Wherein, when AVR32 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, AVR32 chip sends abnormality signal simultaneously, otherwise AVR32 chip sends normal state signal simultaneously.
More specifically, in described cab driving personnel health monitor device: described communication opening device is positioned at taxi car body.
More specifically, in described cab driving personnel health monitor device: described independently-powered equipment is positioned at taxi car body.
More specifically, in described cab driving personnel health monitor device: described communication opening device, described first two-way operational amplifier and described second two-way operational amplifier are integrated on one piece of surface-mounted integrated circuit.
More specifically, in described cab driving personnel health monitor device, also comprise: liquid crystal display, be connected with described AVR32 chip, for showing the Word message corresponding with cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the first embodiment of cab driving personnel health monitor device of the present invention.
Reference numeral: 1 pulse detection equipment; 2 emergency wireless communication equipments; 3 can plug-type panel; 4AVR32 chip
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of cab driving personnel health monitor device of the present invention is described in detail.
At a night in the early spring in 1907, sons of rich families Aaron goes to Broadway, New York to see opera with his girl friend.During end of a performance, he goes to be carriage, how much ask driver? although only have half lining great distance from arenas, driver asks an exorbitant price unexpectedly, has more the car fare of 10 times at ordinary times.Aaron feels to go against accepted conventions very much, and just disagree with driver, result is knocked to the ground by driver.Aaron hinders well, and be revenge gromm, just imagination utilizes automobile to carriage of squeezing out.He had asked a friend repairing clock and watch to devise an instrument of having the records of distance by the log afterwards, and gave a name " Taxi-car " to taxi, the origin of " Taxi " (taxi) that the present whole world that Here it is is general.On October 1st, 1907, " taxi " appears at the street corner in New York first.
Current, taxi has been widely used in each city of countries in the world.In the driving process of taxi, the state particular importance of driver, if the situation of psychological problem appears in driver, or there is ill situation in driver, all can affect the normal traveling of taxi, and severe vehicle accident can be caused time serious to occur.And in prior art, there is not the technical scheme that taximan's physiological status is detected.
For this reason, the present invention has built a kind of cab driving personnel health monitor device, high-precision pulse monitoring equipment and electrocardiogram watch-dog is adopted to detect in time the pulse of driver and electrocardiogram parameters and report to the police, and when recognizing physiological driver's abnormal state, timely startup urgency traffic equipment, be convenient to the transport condition that passenger understands current taxi fast, and can decide whether ask extraneous assistance in its sole discretion.
Fig. 1 is the block diagram of the first embodiment of cab driving personnel health monitor device of the present invention, described monitor device comprises pulse detection equipment, emergency wireless communication equipment, can plug-type panel and AVR32 chip, describedly can cover described emergency wireless communication equipment by plug-type panel, described pulse detection equipment is used for extracting the pulse information of the human pilot of cab driving indoor, described AVR32 chip and described pulse detection equipment, described emergency wireless communication equipment can be connected by plug-type panel respectively with described, pulse information according to extracting determines whether to start described emergency wireless communication equipment.
Then, continue to be further detailed the second embodiment of cab driving personnel health monitor device of the present invention.
Described monitor device comprises: emergency wireless communication equipment, is positioned at taxi car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link; Can plug-type panel, be embedded in taxi body inner side, be connected with AVR32 chip, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication equipment is pushed to cover described emergency wireless communication equipment, also when receiving abnormality signal, automatically pulling open from the dead ahead of described emergency wireless communication equipment and retracting to the right side of described emergency wireless communication equipment.
Described monitor device comprises: communication opening device, being connected respectively with described AVR32 chip and described emergency wireless communication equipment, for when receiving abnormality signal, starting described emergency wireless communication equipment, when receiving normal state signal, close described emergency wireless communication equipment; Independently-powered equipment, with described emergency wireless communication equipment, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication equipment, describedly can provides supply of electric power with the described opening device that communicates by plug-type panel.
Described monitor device comprises: the first resistance, and one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode; Second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance; 3rd resistance, other end ground connection, and there is the resistance identical with the second resistance; First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode.
Described monitor device comprises: the first electric capacity, other end ground connection; 4th resistance, one end is connected with the negative terminal of infrared-emitting diode; Second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage; 5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal; Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal.
Described monitor device comprises: infrared-emitting diode, and be arranged on cab driving personnel ear's blood capillary position, for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode; Infrared receiving diode, is arranged on cab driving personnel ear's blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmiting human pilot ear blood capillary of hiring a car.
Described monitor device comprises: signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at cab driving personnel body surface place, for extracting multiple voltages that human pilot cardioelectric field of hiring a car produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position cab driving personnel produce because of breathing and human motion.
Described monitor device comprises: movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage; Lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting; Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference; Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction.
Described monitor device comprises: analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference; Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of human pilot of hiring a car based on described digitized voltage difference.
Described monitor device comprises: AVR32 chip, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal.
Wherein, described electrocardio voltage difference comprises multiple voltage difference; Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V.
Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company; Wherein, when AVR32 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, AVR32 chip sends abnormality signal simultaneously, otherwise AVR32 chip sends normal state signal simultaneously.
Alternatively, in described monitor device: described communication opening device is positioned at taxi car body; Described independently-powered equipment is positioned at taxi car body; Described communication opening device, described first two-way operational amplifier and described second two-way operational amplifier are integrated on one piece of surface-mounted integrated circuit; Described monitor device also comprises: liquid crystal display, is connected with described AVR32 chip, for showing the Word message corresponding with cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal.
In addition, operational amplifier (being called for short " amplifier ") is the circuit unit with very high-amplification-factor.In side circuit, usually jointly form certain functional module in conjunction with feedback network.He is a kind of amplifier with special Coupling circuit and feedback.Its output signal can be that input signal adds, subtracts or the result of the mathematical operation such as differential, integration.Owing to being applied in analogue computer in early days, in order to realize mathematical operation, therefore gain the name " operational amplifier ".
Amplifier is the circuit unit that an angle from function is named, and can be realized, also can be implemented in the middle of semiconductor chip by discrete device.Along with the development of semiconductor technology, most amplifier exists with the form of single-chip.Amplifier of a great variety, is widely used in the middle of electron trade.
Adopt cab driving personnel health monitor device of the present invention, be difficult to detect and lack the technical problem of passenger's urgency traffic equipment for taximan's physiological status in prior art, high-precision pulse monitoring equipment and electrocardiogram watch-dog is adopted to detect in time the pulse of taximan and electrocardiogram parameters and report to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, the abnormality of driver is also set up further and the call at taxi operation center contacts to help passenger to learn, thus improves the operation safety of taxi.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (6)
1. a cab driving personnel health monitoring method, the method comprises:
1) a kind of cab driving personnel health monitor device is provided, described monitor device comprises pulse detection equipment, emergency wireless communication equipment, can plug-type panel and AVR32 chip, describedly can cover described emergency wireless communication equipment by plug-type panel, described pulse detection equipment is used for extracting the pulse information of the human pilot of cab driving indoor, described AVR32 chip and described pulse detection equipment, described emergency wireless communication equipment can be connected by plug-type panel respectively with described, pulse information according to extracting determines whether to start described emergency wireless communication equipment,
2) described device is run.
2. the method for claim 1, is characterized in that, described monitor device comprises:
Emergency wireless communication equipment, is positioned at taxi car body, for the call-information of reception staff, and call-information is sent to the server of the taxi management center of far-end by wireless communication link;
Can plug-type panel, be embedded in taxi body inner side, be connected with AVR32 chip, for when receiving normal state signal, automatically the dead ahead of described emergency wireless communication equipment is pushed to cover described emergency wireless communication equipment, also when receiving abnormality signal, automatically pulling open from the dead ahead of described emergency wireless communication equipment and retracting to the right side of described emergency wireless communication equipment;
Communication opening device, being connected respectively with described AVR32 chip and described emergency wireless communication equipment, for when receiving abnormality signal, starting described emergency wireless communication equipment, when receiving normal state signal, close described emergency wireless communication equipment;
Independently-powered equipment, with described emergency wireless communication equipment, describedly can be connected with the described opening device that communicates by plug-type panel respectively, is only described emergency wireless communication equipment, describedly can provides supply of electric power with the described opening device that communicates by plug-type panel;
First resistance, one end is connected with 5V power supply, and the other end is connected with the anode of infrared receiving diode;
Second resistance, one end is connected with 5V power supply, and the other end is connected with one end of the 3rd resistance;
3rd resistance, other end ground connection, and there is the resistance identical with the second resistance;
First two-way operational amplifier, for generation of the reference voltage of 2.5V, its anode is connected with the other end of the second resistance, and negative terminal is connected with one end of the first electric capacity, outfan is connected with the negative terminal of infrared-emitting diode, and negative terminal is also connected with the negative terminal of infrared-emitting diode;
First electric capacity, other end ground connection;
4th resistance, one end is connected with the negative terminal of infrared-emitting diode;
Second two-way operational amplifier, anode is connected with the other end of the 4th resistance, and negative terminal is connected with the anode of infrared receiving diode, and outfan is as pulse voltage;
5th resistance, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Second electric capacity, is connected in parallel between the second two-way operational amplifier negative terminal and the second two-way operational amplifier output terminal;
Infrared-emitting diode, be arranged on cab driving personnel ear's blood capillary position, for launching infrared light, the negative terminal of infrared-emitting diode is connected with the anode of infrared receiving diode;
Infrared receiving diode, is arranged on cab driving personnel ear's blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmiting human pilot ear blood capillary of hiring a car;
Signal collecting device, comprise multiple medical electrode and multiple movement locus sensor, described multiple medical electrode are separately positioned on multiple fixed positions at cab driving personnel body surface place, for extracting multiple voltages that human pilot cardioelectric field of hiring a car produces respectively in multiple fixed positions at body surface place, each movement locus sensor is close to medical electrode and places, for extracting the drift electrocardio voltage signal that corresponding position cab driving personnel produce because of breathing and human motion;
Movement locus abatement apparatus, be not connected with described multiple medical electrode and described multiple movement locus sensor, the drift electrocardio voltage signal that each voltage produced by each medical electrode and corresponding movement locus sensor produce is sued for peace, to obtain corresponding target voltage;
Lead circuit, is connected with described movement locus abatement apparatus, for receiving multiple target voltage, calculating electrocardio voltage difference based on described multiple target voltage and exporting;
Signal amplification circuit, is connected with the described circuit that leads, for receiving described electrocardio voltage difference and amplifying described electrocardio voltage difference;
Bandwidth-limited circuit, is connected with described signal amplification circuit, and the noise contribution in the electrocardio voltage difference after amplifying for filtering is to obtain filtered electrical pressure reduction;
Analog to digital conversion circuit, is connected with described bandwidth-limited circuit, for carrying out analog digital conversion to filtered electrical pressure reduction, to obtain digitized voltage difference;
Electrocardiogram parameters extracts circuit, is connected with described analog-digital converter, extracts sinus rate and the PR interval of human pilot of hiring a car based on described digitized voltage difference;
AVR32 chip, extract circuit with the outfan of described second two-way operational amplifier and described electrocardiogram parameters to be connected respectively to obtain described pulse voltage, described sinus rate and described PR interval, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when described sinus rate is outside default sinus rate scope, send sinus rate anomalous identification signal, when being interposed between when between described PR outside default PR interval, send PR interval anomalous identification signal;
Wherein, described electrocardio voltage difference comprises multiple voltage difference;
Wherein, between infrared-emitting diode and infrared receiving diode during pulseless, pulse voltage is 2.5V, and when there is the pulse of beating between infrared-emitting diode and infrared receiving diode, blood vessels make ear's light transmission be deteriorated, and pulse voltage is greater than 2.5V;
Wherein, the first two-way operational amplifier and the second two-way operational amplifier are all the two-way operational amplifier of TI company;
Wherein, when AVR32 chip sends cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal, AVR32 chip sends abnormality signal simultaneously, otherwise AVR32 chip sends normal state signal simultaneously.
3. method as claimed in claim 2, is characterized in that:
Described communication opening device is positioned at taxi car body.
4. method as claimed in claim 2, is characterized in that:
Described independently-powered equipment is positioned at taxi car body.
5. method as claimed in claim 2, is characterized in that:
Described communication opening device, described first two-way operational amplifier and described second two-way operational amplifier are integrated on one piece of surface-mounted integrated circuit.
6. method as claimed in claim 2, it is characterized in that, described monitor device also comprises:
Liquid crystal display, is connected with described AVR32 chip, for showing the Word message corresponding with cacosphyxia identification signal, sinus rate anomalous identification signal or PR interval anomalous identification signal.
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| CN201610002047.0A CN105433924A (en) | 2016-01-02 | 2016-01-02 | Taxi driver body guardianship method |
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