CN102058400B - Method and device for quickly detecting human body basic vital sign data - Google Patents
Method and device for quickly detecting human body basic vital sign data Download PDFInfo
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Abstract
The invention relates to a method and device for quickly detecting human body basic vital signs. The device is provided with a detection table, and the table top is provided with palm-shaped concave dies. The detection method comprises the following steps of: ensuring that a detected person sits in front of the detection table and puts the palms into the palm-shaped concave dies; detecting the body surface temperature of the head by using an infrared sensing part; detecting the electrocardiogram, the pulse waves and blood oxygen saturation by using electrode plates and photoelectric pulse sensing parts, which are arranged in the two palm-shaped concave dies; detecting the breath by using a piezoelectric film sensing part arranged on the top of a seat; and processing acquired sensing signals by using a CPU (Central Processing Unit) to obtain the data of the body surface temperature of the head, the electrocardiogram, the pulse waves, the blood oxygen saturation and the breath, wherein the palm-shaped concave dies are internally provided with fingerprint image acquirers, the CPU is used for automatically identifying the identity, the blood pressure of the detected person is figured out by utilizing an individualized checking technology, the current data and a historical trend curve can be displayed, and if the current data exceeds the standard, an alarm signal can be sent out. The whole detection process can be finished within 10 seconds without manual intervention, thus the detection process is simple, and the detection speed is high.
Description
Technical field
The invention belongs to a kind of checkout gear, be specifically related to a kind of method for quick and device that is used for the basic vital sign of human body.
Background technology
Body temperature, pulse, electrocardio, breathing, blood pressure and arterial oxygen saturation are the basic vital signs of human body; It can provide reference data for the health status of judging human body; Understand the variation of these data, can understand the changing condition of Human Physiology, for some specific groups; Usually need every day that these vital sign datas are advanced to detect; For example concerning the pilot, " asks three-controls " that all will carry out every day is exactly will these basic vital signs of each pilot be detected, and this is the essential condition that guarantees flight safety.But want to detect simultaneously above six vital sign not a duck soups, the one, it is various to detect step, and the 2nd, Measuring Time is long.
Summary of the invention
It is simple that the technical problem that the present invention will solve provides a kind of testing process, the method for quick and the device of the basic vital sign data of human body that detection speed is fast.
The technical scheme that addresses the above problem is:
The inventive method comprises following content:
1, cpu central processing unit is set;
2, monitor station is set, table top is provided with all right one way or the other palm shaped die of putting into palm respectively;
3, let the measured be sitting on the preceding seat of monitor station, two palms are put into the palm shaped die of monitor station;
4, can detect measured's head shell temperature facing to the infrared sensing parts of measured's head with being contained on the workbench;
5, detect measured's electrocardio with being contained in the two sensing electrode sheets that detect in the table top two palm shaped dies respectively;
6, detect measured's pulse wave and blood oxygen saturation with being contained in the photoelectricity pulse sensing element that detects pad of finger in the table top palm shaped die;
7, detect by side person's respiratory variations rule with the piezoelectric membrane sensing element that is contained on the preceding Seat part of chair of monitor station;
8, cpu central processing unit is handled the transducing signal that obtains from above-mentioned each sensing element respectively, obtains measured's head shell temperature, electrocardio, pulse wave, blood oxygen saturation and respiratory variations rule data;
9, cpu central processing unit is exported the vital sign data that above-mentioned the 8th step obtains.
Further, also comprise following content:
10, when obtaining transducing signal with above-mentioned each sensing module, use the fingerprint image acquisition device collection that is contained in pad of finger bottom in the palm shaped die to obtain measured's fingerprint signal, cpu central processing unit is discerned measured's identity according to this signal.
Further; The method of measuring electrocardio and pulse wave is to adopt the synchronized sampling frequency more than 1000 hertz to measure electrocardio and pulse wave simultaneously; And then calculate pulse wave translation time PWTT, and on the basis of carrying out person identification, utilize the data of measured's personal data library storage; With the bearing calibration of individuation, calculate and export measured's arteriotony data according to pulse wave conduction speed.
Again further; On the basis of carrying out person identification, carry out the demonstration of current data and historical trend curve according to the historical testing result of resulting measured's head shell temperature, electrocardio, pulse wave, blood oxygen saturation, respiratory variations rule and blood pressure data and this measured's individual database.
Apparatus of the present invention comprise monitor station, seat, cpu central processing unit; The data output device that is connected with CPU; The photoelectricity pulse wave measurement module that is connected with CPU, electrocardio measurement module, infrared body temperature measurement module, respiration measurement module is characterized in that: on said detection table top, be provided with the palm shaped die that can embed two palms respectively;
Described photoelectricity pulse wave measurement module is provided with luminous probe and the photoelectricity receiving transducer that is contained in palm shaped die pad of finger, is used to obtain the sensing data of measuring pulse wave and blood oxygen;
Described electrocardio measurement module is provided with the electrode slice sensing element that is contained in respectively in the two palm shaped dies, is used to obtain the cardiac electrical sensing data of measurement;
Described infrared body temperature side amount module is provided with and is contained in the infrared sensing parts that on the support of monitor station top, also can face toward human body head, be used to obtain the sensing data of measuring the human body head shell temperature;
Described respiration measurement module is provided with the piezoelectric film sensor that is contained on the Seat part of chair, is used to obtain the sensing data of measuring the human body respiration Changing Pattern.
Adopt the inventive method and device; As long as the measured is sitting on the seat before the monitor station; Two palms are put into the palm shaped die that detects table top, and make the infrared sensing parts subtend measured head of monitor station top, can obtain several kinds of basic vital sign datas of body temperature, pulse, electrocardio, breathing, arterial oxygen saturation of measured simultaneously; Also can be on the basis of carrying out identification automatically calculate measured's arteriotony according to electrocardio and pulse signal; Whole testing process can be accomplished less than 10 seconds, need not manual intervention, had the advantage that testing process is simple, detection speed is fast.
Description of drawings
Fig. 1, apparatus of the present invention example structure sketch map
Fig. 2, apparatus of the present invention embodiment circuit block diagram
Fig. 3, apparatus of the present invention embodiment are contained in the piezoelectric thin-film structure sketch map on the Seat part of chair
Electrocardiosignal that Fig. 4, apparatus of the present invention embodiment utilization are obtained and pulse wave signal calculate the pulse wave conduction speed sketch map
Fig. 5, apparatus of the present invention embodiment testing process flow chart
The specific embodiment
This example is the method for quick and the device of asking the basic vital sign of health of three-controls a kind of pilot of being used for every day one.
Referring to Fig. 1, Fig. 2; This example is provided with monitor station 1; Monitor station is provided with two the palm shaped dies 3 that can put into palm, and monitor station is provided with liftable bracing frame 4, with the display screen that is connected with computer 2; Computer is provided with the printout end and the network port, is provided with seat (not shown seat) before the monitor station;
This device also is provided with photoelectricity pulse wave measurement module, electrocardio measurement module, infrared body temperature side amount module, the respiration measurement module that is connected with computer, and fingerprint identification module and infrared switch.
Said electrocardio measurement module is used for touch Electrocardiographic measurement; Two contact silver chloride electrode sheets 6 are placed the bottom of the palm part of palm shaped die 3 on the monitor station respectively; The measured pushes electrode slice 6 naturally with both hands, promptly can obtain first lead electrocardiogram.The electrocardio measurement module is by pre-amplification circuit, and trap circuit and filter circuit constitute.After amplifying conditioning and A/D conversion, pass to computer after other band interference of electrocardiosignal filtering of contact silver chloride electrode acquisition body surface for data analysis.Be connected the output lead electrocardiogram with serial ports through computer.This routine sample frequency surpasses 1000HZ, so that the later stage can accurate Calculation pulse wave conduction speed PWTT.
Described photoelectricity pulse wave measurement module is reflective photoelectricity pulse wave Oximetry module; Be provided with the luminous probe 8 and photoelectricity receiving transducer 9 (Med LinknetS0010L-S) that are contained in palm shaped die pad of finger bottom, be used to obtain the sensing data of measuring pulse wave and blood oxygen;
This routine luminous probe 8 is placed in die pad of finger bottom with photoelectricity receiving transducer 9 side by side, draws back certain distance.To point during detection by on probe, luminous probe 8 has been installed two light emitting diodes of placing side by side (LED), and sending wavelength is the HONGGUANG of 660nm and the infrared light of 940nm.Photoelectricity receiving transducer 9 has a photoelectric detector; Be used to receive HONGGUANG and infrared light from the reflection of finger arteries; And convert the signal of telecommunication to; Its detected photosignal more a little less than, when the expression optical signal penetrates tested position (during the probe position), by tissue, bone and the blood etc. of there sponge many more.Skin, muscle, fat, venous blood, pigment and bone etc. are constant to the absorptance of these two kinds of light, so they only make a difference to the DC component size in the photosignal.But HbO2 in the blood and Hb concentration is along with periodic the change done in the pulsation of blood, so they also change on pulsation ground the absorption of light, and the signal intensity that causes photoelectric detector output thus is with HbO2 in the blood and Hb concentration ratio pulsation ground change.If represent with light absorption, HONGGUANG and infrared light are done the time spent, and the Changing Pattern of signal is much the same; But the amplitude of flutter component maybe be different; Manage to let the HONGGUANG of above-mentioned two kinds of wavelength and infrared light pass through in turn to detect the position, and the ripple component in these two signals is separated, after amplification and filtering; Convert digital quantity to by A/D converter respectively, just can go out blood oxygen saturation according to computes:
SaO2＝K1R2+K2R+K3
K1 in this formula, K2, K3 are empiricals, and R is on certain very little interval, the ratio of the amplitude of variation amount of two kinds of photosignals, that is:
R＝ΔRED/ΔIR
The pulsation rule of photosignal is consistent with heartthrob, therefore detects the repetition period of signal, can also determine pulse frequency.The blood oxygen saturation that traditionally pulse blood oxygen instrument is recorded is called SpO2, to be different from the measured result of the oximeter of other types.
Described infrared body temperature side amount module is provided with and is contained in the infrared sensing parts 5 (model: Optris MInisight), be used to obtain the sensing data of measuring the human body head shell temperature that on the support of monitor station top, also can face toward human body head; The object that all temperature are higher than absolute zero all can be launched a certain proportion of infrared energy according to the height of itself temperature.The size of emittance and the ten minutes confidential relation is arranged by the distribution of wavelength and its surface temperature.Human body temperature is 9-10 μ m at the infrared wavelength of (36-37 ℃) radiation.Just can accurately measure the surface temperature of human body forehead according to this principle.Infrared body temperature measurement module is connected with computer detected data through serial ports, and adopts the Data Transport Protocol of response mode, 50 hertz of the highest sample frequencys of this routine infrared body temperature measurement module.
Described respiration measurement module is provided with piezoelectric membrane (PVDF) pick off that is contained on the Seat part of chair, is used to obtain the sensing data of measuring the human body respiration Changing Pattern.Referring to Fig. 4, piezoelectric membrane (PVDF) pick off 20 is lined with high-quality hardhead sponge medicated cushion 21 up and down respectively, and appearance is sewed with hard slightly fabric 22 parcels, piezoelectric membrane two ends output voltage variable signal V
0When the people sat in peace and quiet, because the meeting that influences of breathing produces " dynamic stress " at the piezoelectric membrane two ends, piezoelectric membrane was because deformation and change in electrical charge, through voltage conversion circuit, and can be through the STRESS VARIATION at monitoring voltage change-detection piezoelectric membrane two ends.Thin film is only experienced the variable quantity of stress, and minimum response frequency can reach 0.01Hz.The respiration measurement module can detect the Changing Pattern of the breathing of people when peace and quiet are seated through the bandpass filtering frequency of 0.2Hz to 0.01Hz, and computer is handled back output measured's respiratory variations data to the data of input.
This device is to be used for asking three-controls one of pilot every day; Detection data to each measured all will be filed; So computer is provided with the fingerprint identification module that is connected with the CPU center processor; Fingerprint identification module is provided with the fingerprint image acquisition device that is contained in pad of finger bottom in the palm shaped die, is used for measured's finger print information is input to computer, automatically measured's identity is discerned by computer.
Automatically carrying out on the basis of identification, computer stores different measured's detection data and individuation correction data respectively in the corresponding individual database.
The method that this example is measured electrocardio and pulse wave is to adopt 1000 hertz synchronized sampling frequency to measure electrocardio and pulse wave simultaneously; And then calculate pulse wave translation time PWTT by cpu central processing unit; And carrying out automatically on the basis of person identification; Utilize the data of measured's personal data library storage,, calculate and export measured's arteriotony data according to pulse wave conduction speed with the bearing calibration of individuation.
Usually the present invention should adopt synchronized sampling frequency collection electrocardio and the pulse wave signal that is not less than 1000 hertz, and utilizing high-precision sample frequency is in order accurately to calculate pulse wave conduction speed.
The pulse wave signal that electrocardiosignal that computer obtains according to the electrocardio measurement module and photoelectricity pulse wave measurement module obtain; Can calculate pulse wave conduction speed PWTT; Research proof: within the specific limits, be linear correlation between pulse wave translation time PTT (pulse transit time) and the arteriotony BP (bloodpressure); And this relation is stable relatively in one period for a certain individuality. therefore go through to send out and utilize the pulse wave conduction speed continuous blood pressure measuring to change.In the native system; PTT is defined as the interval between R-Wave of ECG Signal peak value and the finger pulse wave peak value; Referring to Fig. 3, the synchronized sampling time of electrocardio and pulse wave signal is 1ms (sample frequency is 1000Hz). the present invention is stored in the individuation linear relationship among the data base in advance, passes through fingerprint recognition during detection; Transfer corresponding measured's individuation correction coefficient, and then calculate measured's blood pressure fast according to measured's pulse wave conduction speed PWTT.
In order to calculate measured's blood pressure, need prior individuation correction coefficient to deposit computer in each measured, this device is provided with the coefficient correction system; Be mainly used in the correction of individuation parameter, to each measured, at regular intervals; Utilize special-purpose measurement blood pressure device; The process that record is measured, and calculate corresponding correction coefficient, and preserve in the individual database.The computational methods of individuation correction coefficient are disclosed by ZL 200510071813.0 patents.
Cpu central processing unit is carrying out on the basis of person identification automatically, carries out the demonstration of current data and historical trend curve according to the historical testing result of resulting measured's head shell temperature, electrocardio, pulse wave, blood oxygen saturation, respiratory variations rule and blood pressure data and this measured's individual database.Cpu central processing unit is record, storage, comparison and detection result on the basis of discerning individual identity automatically, is above standard and sends alarm signal automatically.
This device computer input also is provided with infrared switch, is pressed into the electrode in the palm shaped die as long as detect the someone, and the just automatic detection starting program of computer detects staff and leaves electrode, and this detects end.
Fig. 5 is the workflow diagram of native system.
During detection; Take a seat on the seat of experimenter before monitor station, both hands natures is by being pressed in recessed " hand-type " lane place, and instrument detecting is after have the people to accept to test; Automatically start the fingerprint image acquisition device; Identification experimenter personal information, and call data and the blood pressure correction parameter before this experimenter, start the collection of electrocardiogram, pulse wave, breathing and temperature data then; Calculate electrocardio, heart rate (pulse frequency), body temperature, breathing rate, blood oxygen, PWTT and blood pressure, monitoring result is deposited among the data base.After both hands left, system detected end signal, and the data original document is saved in the data file; This experimenter's data acquisition finishes; And testing result outputed to liquid crystal display screen, whether show this testing result in range of normal value, printout in case of necessity; The grid interface can be networked with data server, realizes data sharing.Touch screen capable of using and screen numeric keypad during user interactions.
Native system adopts the high-precision sampling interval; So that can utilize electrocardiosignal and pulse wave signal to calculate pulse wave conduction speed; And utilize fingerprint recognition system to access in the computer experimenter's pulse conduction velocity of storage and the individuation functional relationship between the blood pressure in advance, thereby accurately calculate experimenter's mean pressure and systolic pressure diastolic pressure etc.
The result of native system exports and mainly comprises three parts:
(1) when inferior testing result, real time record, demonstration measured's electrocardio, blood oxygen, pulse, breathing, blood pressure and body temperature.
(2) trend tabulation: the trend that can show each item index of a nearest week, two weeks, one month measured.
(3) heart rate variability analysis: to doubt tester, can look back corresponding original electrocardiographicdigital figure, body temperature waveform, can carry out heart rate variability analysis in short-term to electrocardiogram.
Present embodiment is mutual without any need for literal; The measured only need be sitting on the seat before the monitor station, and both hands are put into the palm shaped die of monitor station, only within 10 seconds, can accomplish the detection of 6 basic vital sign datas of human body; It is very simple to detect formality; And this measurement result automatically imported in my the health data storehouse, in case these 6 indexs exceed my certain limit of index in the past, instrument can provide information automatically.
Claims (5)
1. the device for fast detecting of the basic vital sign data of human body; Comprise monitor station, seat, cpu central processing unit; The data output device that is connected with cpu central processing unit; The photoelectricity pulse wave measurement module that is connected with cpu central processing unit, electrocardio measurement module, infrared body temperature measurement module, respiration measurement module is characterized in that: on the table top of monitor station, be provided with the palm shaped die that can embed two palms respectively;
Described photoelectricity pulse wave measurement module is provided with luminous probe and the photoelectricity receiving transducer that is contained in palm shaped die pad of finger, is used to obtain the sensing data of measuring pulse wave and blood oxygen;
Described electrocardio measurement module is provided with the electrode slice sensing element that is contained in respectively in the two palm shaped dies, is used to obtain the cardiac electrical sensing data of measurement;
Described infrared body temperature measurement module is provided with and is contained in the infrared sensing parts that on the support of monitor station top, also can face toward human body head, be used to obtain the sensing data of measuring the human body head shell temperature;
Described respiration measurement module is provided with the piezoelectric film sensor that is contained on the Seat part of chair, is used to obtain the sensing data of measuring the human body respiration Changing Pattern.
2. the device for fast detecting of the basic vital sign data of human body according to claim 1; It is characterized in that; Described photoelectricity pulse wave measurement module is reflective photoelectricity pulse wave Oximetry module; Be provided with the luminous probe and the photoelectricity receiving transducer that are contained in palm shaped die pad of finger bottom, luminous probe and photoelectricity receiving transducer are placed in die pad of finger bottom side by side, draw back certain distance.
3. the device for fast detecting of the basic vital sign data of human body according to claim 1 is characterized in that, the piezoelectric film sensor that said respiration measurement module is provided with is lined with the hardhead sponge medicated cushion up and down respectively, and appearance is enclosed with fabric.
4. the device for fast detecting of the basic vital sign data of human body according to claim 1; It is characterized in that; Described cpu central processing unit is connected to fingerprint identification module, and fingerprint identification module is provided with the fingerprint image acquisition device that is contained in pad of finger bottom in the palm shaped die.
5. the device for fast detecting of the basic vital sign data of human body according to claim 1 is characterized in that, described cpu central processing unit input is connected to infrared switch.
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