CN105496379A - Health monitoring system - Google Patents
Health monitoring system Download PDFInfo
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- CN105496379A CN105496379A CN201510952410.0A CN201510952410A CN105496379A CN 105496379 A CN105496379 A CN 105496379A CN 201510952410 A CN201510952410 A CN 201510952410A CN 105496379 A CN105496379 A CN 105496379A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 72
- 230000036541 health Effects 0.000 title claims abstract description 21
- 210000004556 brain Anatomy 0.000 claims abstract description 42
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 238000001914 filtration Methods 0.000 claims description 29
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000008280 blood Substances 0.000 claims description 9
- 210000004369 blood Anatomy 0.000 claims description 9
- 230000005856 abnormality Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 claims description 3
- 238000010009 beating Methods 0.000 claims description 3
- 210000004204 blood vessel Anatomy 0.000 claims description 3
- 210000003710 cerebral cortex Anatomy 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 210000002569 neuron Anatomy 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 206010020852 Hypertonia Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- IWEDIXLBFLAXBO-UHFFFAOYSA-N dicamba Chemical compound COC1=C(Cl)C=CC(Cl)=C1C(O)=O IWEDIXLBFLAXBO-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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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
- A61B5/0205—Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
-
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02405—Determining heart rate variability
-
- 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
- A61B5/024—Detecting, measuring or recording pulse rate or heart rate
- A61B5/02416—Detecting, measuring or recording pulse rate or heart rate using photoplethysmograph signals, e.g. generated by infrared radiation
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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
- A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
- A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
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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
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/316—Modalities, i.e. specific diagnostic methods
- A61B5/369—Electroencephalography [EEG]
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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
- A61B5/48—Other medical applications
- A61B5/4806—Sleep evaluation
- A61B5/4812—Detecting sleep stages or cycles
Abstract
The invention relates to a health monitoring system which comprises a pulse monitoring subsystem, a brain wave monitoring subsystem and a single-chip microcomputer AT89C51. The pulse monitoring subsystem is used for monitoring the pulse state of an aircraft commander in a cockpit, the brain wave monitoring subsystem is used for monitoring the brain wave state of the aircraft commander in the cockpit, and the single-chip microcomputer AT89C51 is connected with the pulse monitoring subsystem and the brain wave monitoring subsystem and determines whether an abnormal alarm is given according to the monitoring results of the pulse monitoring subsystem and the brain wave monitoring subsystem. Through the health monitoring system, an alarm can be given in time when the abnormity of physiological parameters of the aircraft commander in the cockpit is monitored, and therefore flight accidents are avoided.
Description
Technical field
The present invention relates to medical monitoring field, particularly relate to a kind of health monitoring system.
Background technology
Aircraft (Fixed-wingAircraft) refers to that having driving by self power of wing, a tool or many tools electromotor advances, and the density of self can be greater than the airborne vehicle of air in space or air.If the density of aircraft is less than air, he is exactly balloon or dirigible.If there is no power set, aloft can only glide, then be called as aerodone.If the wing of aircraft is not fixed, rotating by wing and produce lift, is exactly helicopter or gyroplane.
Fixed wing airplane is modal airborne vehicle kenel.The source of power comprises piston engine, turboprop, turbofan or rocket engine etc.20 beginnings of the century, the Lai Te brother of the U.S. has made great contribution in the aircraft development history in the world.Having produced first in 1903 relies on self power to carry out the aircraft " aviator No. " carried people to fly, and acquisition is made a successful trial flight.Therefore they obtained US Congress's honorable mention in 1909.In the same year, they have established " Lai Te Aircraft Company ".
After aircraft invention, aircraft becomes the indispensable vehicles of modern civilization day by day.The change that he is deep and have impact on the life of people, opens people and conquers blue sky history.From application point, aircraft can be divided into passenger plane, airfreighter, military aircraft and investigation aircraft.Passenger plane has become people and to have gone on a tour the important vehicles of travelling, fast with speed, the used time is short, efficiency is high and occupy the passenger flow of fixed qty.
In prior art, aircraft object itself is mainly concentrated on to the monitoring of aircraft, and to the driver driven an airplane, especially captain, corresponding monitoring means are limited, it is more the video monitoring to birdman cabin, 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, air pressure, lack the detection to the physiological status of captain, say nothing of and adopt when captain's abnormal state, notify the communication mechanism of the personnel of passenger compartment in time.And, in the prior art, the passenger compartment at captain place driving cabin and passenger place is usually by driving cabin locking position, and the driving condition passenger of captain lacks passage at all and goes to learn, passenger one aboard, consigns to the captain in driving cabin and other human pilots substantially by life.
But in fact; the driving condition of captain is extremely important; on the one hand, captain'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 that captain's dangerous driving is even hijacked a plane, at this moment the physiological parameter of captain there will be some omens usually; if can predict these omens of captain, perhaps the tragedy of MH370 can not occur.
As can be seen here, there is following technical problem in prior art: (1) lacks effective captain's physiological status checkout equipment; (2) effective physiological parameter early warning mechanism is lacked; (3) shortage promptly can trigger at hour of danger and help the urgency communication passage of passenger compartment personnel and PERCOM peripheral communication.
Therefore, the present invention proposes a kind of health monitoring system, pulse signal and the eeg signal of the captain of steering position can be understood in time, abnormal once appearance, urgency communication mechanism can be started to help the passenger of passenger compartment to seek external assistance, thus effectively avoid aviation accident to occur.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides a kind of health monitoring system, utilize targetedly, can be used for the extraction that the pulse monitoring equipment of the cramped construction of aircraft cockpit and brain wave watch-dog realize pulse information to the captain of steering position and brain wave 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, avoids passenger to fall within helpless state.
According to an aspect of the present invention, provide a kind of health monitoring system, described monitoring system comprises pulse monitoring subsystem, brain wave Monitor And Control Subsystem and AT89C51 single-chip microcomputer, described pulse monitoring subsystem is used for monitoring the captain's pulse state in driving cabin, described brain wave Monitor And Control Subsystem is used for the captain's brain wave monitoring state in driving cabin, described AT89C51 single-chip microcomputer is connected respectively with described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem, monitored results according to described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem determines whether to carry out abnormal alarm.
More specifically, in described health monitoring system, comprising: warning screen, be connected with AT89C51 single-chip microcomputer, for when receiving abnormality signal, display button call character, when receiving normal state signal, does not carry out display operation; Emergency button, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side; By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal; Wireless Telecom Equipment, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server of the operation management center of far-end by wireless communication link; Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment; Independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment; 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, is arranged on captain ear blood capillary position, and 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 captain ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission captain ear blood capillary; Detecting electrode, is arranged on captain's head, the voltage variety that the neuron activity for detecting brain arrives cerebral cortex by ionic conduction and formed; Difference preamplifier, is connected with described detecting electrode, for amplifying described voltage variety; Low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal; Two-stage power frequency notch filter, is connected with described low pass filter, for carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal; High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal; Level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared; Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of captain; AT89C51 single-chip microcomputer, parallel input/output interface is adopted to be connected with analog-digital conversion circuit as described to obtain described brain wave digital signal, serial input-output interface (SIO) is adopted to be connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal; Wherein, when AT89C51 single-chip microcomputer sends cacosphyxia identification signal, shallow sleep identification signal or deep sleep identification signal, AT89C51 single-chip microcomputer sends abnormality signal simultaneously, otherwise AT89C51 single-chip microcomputer sends normal state signal simultaneously; 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.
More specifically, in described health monitoring system: the first two-way operational amplifier is the two-way operational amplifier of TI company.
More specifically, in described health monitoring system: the second two-way operational amplifier is the two-way operational amplifier of TI company.
More specifically, in described health monitoring system: described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal.
More specifically, in described health monitoring system: described power frequency component is 50Hz frequency component.
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 health monitoring system of the present invention.
Reference numeral: 1 pulse monitoring subsystem; 2 brain wave Monitor And Control Subsystems; 3AT89C51 single-chip microcomputer
Detailed description of the invention
Below with reference to accompanying drawings the embodiment of health monitoring system of the present invention is described in detail.
At present, the aircraft that civil aviaton uses mostly is jet airliner, and the speed per hour of jet airliner is about 800 kms, and mobility is high.Aircraft flight is not subject to the obstruct of high mountain, river, desert, ocean, and can according to the frequency increase at any time of traveller's quantity.According to International Civil Aviation Organization's statistics, the death toll of average every hundred million seat-kilometers of civil aviaton is 0.04 people, and being one 1/tens to several percent of ordinary traffic mode death tolls, is the transportation trade more safer than train.
Although the accident rate of aircraft is lower than train, aircraft, once accident, will have the few and survive even that nobody survives.And aircraft and ground out of touch, just cannot safe flight.Therefore the captain driven an airplane needs to do some training very often and keeps the absorbed power of height.But the situation that captain also there will be abnormal state occurs, and have subjective factor, also have objective factor, this abnormality all can occur some omens in physiological parameter.And in prior art, do not have the detection scheme of these omens, say nothing of after detecting omen in time for passenger provides the urgency traffic mechanism contacted with the external world.
For this reason, the present invention has built a kind of health monitoring system, high-precision pulse monitoring equipment and brain wave watch-dog is adopted to detect in time the pulse of captain and brain wave parameter and report to the police, and when recognizing captain's abnormal state, timely startup urgency traffic equipment, is convenient to passenger and cries for help fast escape.
Fig. 1 is the block diagram of the first embodiment of health monitoring system of the present invention, described monitoring system comprises pulse monitoring subsystem, brain wave Monitor And Control Subsystem and AT89C51 single-chip microcomputer, described pulse monitoring subsystem is used for monitoring the captain's pulse state in driving cabin, described brain wave Monitor And Control Subsystem is used for the captain's brain wave monitoring state in driving cabin, described AT89C51 single-chip microcomputer is connected respectively with described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem, monitored results according to described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem determines whether to carry out abnormal alarm.
Then, the second embodiment of health monitoring system of the present invention is specifically described.
Described monitoring system comprises: warning screen, is connected with AT89C51 single-chip microcomputer, and for when receiving abnormality signal, display button call character, when receiving normal state signal, does not carry out display operation; Emergency button, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side; By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal.
Described monitoring system comprises: Wireless Telecom Equipment, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server of the operation management center of far-end by wireless communication link; Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment.
Described monitoring system comprises: independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment.
Described monitoring system 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; 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 monitoring system comprises: infrared-emitting diode, is arranged on captain ear blood capillary position, and 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 captain ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission captain ear blood capillary; Detecting electrode, is arranged on captain's head, the voltage variety that the neuron activity for detecting brain arrives cerebral cortex by ionic conduction and formed; Difference preamplifier, is connected with described detecting electrode, for amplifying described voltage variety.
Described monitoring system comprises: low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal; Two-stage power frequency notch filter, is connected with described low pass filter, for carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal; High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal.
Described monitoring system comprises: level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared; Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of captain.
Described monitoring system comprises: AT89C51 single-chip microcomputer, parallel input/output interface is adopted to be connected with analog-digital conversion circuit as described to obtain described brain wave digital signal, serial input-output interface (SIO) is adopted to be connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal.
Wherein, when AT89C51 single-chip microcomputer sends cacosphyxia identification signal, shallow sleep identification signal or deep sleep identification signal, AT89C51 single-chip microcomputer sends abnormality signal simultaneously, otherwise AT89C51 single-chip microcomputer sends normal state signal simultaneously; 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.
Alternatively, in described monitoring system: the first two-way operational amplifier is the two-way operational amplifier of TI company; Second two-way operational amplifier is the two-way operational amplifier of TI company; Described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal; And described power frequency component is chosen as 50Hz frequency component.
In addition, wave filter, as the term suggests, be the device that ripple is filtered." ripple " is a physical concept widely, and at electronic technology field, " ripple " is narrowly confined to refer in particular to the process of the value fluctuations in time describing various physical quantity.This process, by the effect of various kinds of sensors, is converted into the time function of voltage or electric current, is referred to as the time waveform of various physical quantity, or is referred to as signal.Because the independent variable time is continuous value, be referred to as continuous time signal, be referred to as analogue signal habitually again.
Along with generation and the develop rapidly of digital electronic computer technology, for the ease of computer, signal is processed, create complete Theories and methods continuous time signal being transformed into discrete-time signal under sampling theorem instructs.That is, can only express primary signal by the sample value of original analog signal on series of discrete time coordinate point and not lose any information, since what these concepts of ripple, waveform, signal were expressed is the change of various physical quantity in objective world, is exactly the carrier of the various information that modern society depends on for existence naturally.Information needs to propagate, and what lean on is exactly the transmission of waveshape signal.Signal it generation, conversion, transmission each link may distort due to the existence of environment and interference, or even in quite a number of cases, this distortion is also very serious, causes signal and entrained information thereof to be embedded in the middle of noise dearly.In order to these noises of filtering, recover signal originally, need to use various wave filter to carry out Filtering Processing.
Adopt health monitoring system of the present invention, be difficult to detect and lack the technical problem of passenger's urgency traffic equipment for captain's physiological status in prior art, high-precision pulse monitoring equipment and brain wave watch-dog is adopted to detect in time the pulse of captain and brain wave parameter and report to the police, introduce physiological parameter early warning mechanism and urgency traffic mechanism, personnel in passenger compartment are helped to learn captain's abnormality and contact foreign aid further, with quick situation out of danger.
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 (2)
1. a health monitoring system, described monitoring system comprises pulse monitoring subsystem, brain wave Monitor And Control Subsystem and AT89C51 single-chip microcomputer, described pulse monitoring subsystem is used for monitoring the captain's pulse state in driving cabin, described brain wave Monitor And Control Subsystem is used for the captain's brain wave monitoring state in driving cabin, described AT89C51 single-chip microcomputer is connected respectively with described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem, and the monitored results according to described pulse monitoring subsystem and described brain wave Monitor And Control Subsystem determines whether to carry out abnormal alarm.
2. health monitoring system as claimed in claim 1, it is characterized in that, described monitoring system comprises:
Warning screen, is connected with AT89C51 single-chip microcomputer, and for when receiving abnormality signal, display button call character, when receiving normal state signal, does not carry out display operation;
Emergency button, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side;
By key driving apparatus, being connected with described emergency button, for when receiving the pressing operation in described emergency button, sending power supply suppling signal;
Wireless Telecom Equipment, is arranged on the body of cabin, birdman cabin, is positioned at described warning screen side, for the call-information of external staff to be sent to the server of the operation management center of far-end by wireless communication link;
Switching over equipment, be connected by key driving apparatus with described, when receiving described power supply suppling signal, open interface channel between described independently-powered equipment and described Wireless Telecom Equipment to keep described independently-powered equipment to the supply of electric power of described Wireless Telecom Equipment;
Independently-powered equipment, with described warning screen, to be describedly connected respectively by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment, to be only described warning screen, describedly to provide supply of electric power by key driving apparatus, described switching over equipment and described Wireless Telecom Equipment;
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, is arranged on captain ear blood capillary position, and 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 captain ear blood capillary position, is positioned at the relative position of described infrared-emitting diode, for receiving the infrared light after transmission captain ear blood capillary;
Detecting electrode, is arranged on captain's head, the voltage variety that the neuron activity for detecting brain arrives cerebral cortex by ionic conduction and formed;
Difference preamplifier, is connected with described detecting electrode, for amplifying described voltage variety;
Low pass filter, is connected with described difference preamplifier, for the voltage variety after amplification is carried out 100Hz low-pass filtering, to export the first filtering signal;
Two-stage power frequency notch filter, is connected with described low pass filter, for carrying out the process of two-stage notch filter, to export notched signal to described first filtering signal;
High pass filter, is connected with described two-stage power frequency notch filter, for carrying out 0.1Hz high-pass filtering to described notched signal, to export the second filtering signal;
Level adjustment circuit, is connected with described high pass filter, carries out level adjustment process to described second filtering signal, thinks that subsequent A/D conversion is prepared;
Analog to digital conversion circuit, is connected with described level adjustment circuit, the second filtering signal after level adjustment process is carried out the analog digital conversion of 8, to obtain the brain wave digital signal of captain;
AT89C51 single-chip microcomputer, parallel input/output interface is adopted to be connected with analog-digital conversion circuit as described to obtain described brain wave digital signal, serial input-output interface (SIO) is adopted to be connected to obtain described pulse voltage with the outfan of described second two-way operational amplifier, when described pulse voltage is outside default pulse range, send cacosphyxia identification signal, when there is α ripple and β ripple in described brain wave digital signal, export shallow sleep identification signal, when there is θ ripple and δ ripple in described brain wave digital signal, export deep sleep identification signal;
Wherein, when AT89C51 single-chip microcomputer sends cacosphyxia identification signal, shallow sleep identification signal or deep sleep identification signal, AT89C51 single-chip microcomputer sends abnormality signal simultaneously, otherwise AT89C51 single-chip microcomputer sends normal state signal simultaneously;
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;
First two-way operational amplifier is the two-way operational amplifier of TI company;
Second two-way operational amplifier is the two-way operational amplifier of TI company;
Described two-stage power frequency notch filter adopts bandpass filtering to offset patten's design, for offsetting the power frequency component in described first filtering signal;
Described power frequency component is 50Hz frequency component.
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