CN103750838B - The distributed multi parameter tester of meridian point and method of testing - Google Patents
The distributed multi parameter tester of meridian point and method of testing Download PDFInfo
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Abstract
The invention discloses the distributed multi parameter tester of a kind of meridian point and method of testing.Tester is by A, B two groups of combination sensors and sensor connect lines, measurement and data handling system, comprehensive data analysis System's composition, and 25 electrodes are according to the center of circle and the distribution of inside and outside circle ring-shaped rule.By gating circuit to the gating of the electrode parameter of measurement impedance spectrum, impedance imaging, partial pressure of oxygen and parameter distribution respectively, by infrared survey mode measuring tempeature and Temperature Distribution, measurement parameter to be measured with data handling system by measuring and is gathered, comprehensive data analysis system carries out data analysis, and test process is controlled by computer.The present invention can detect 4 kinds of parameters and the parameter distribution in meridian point region, by parameter comparison for acupuncture point Study on Physico-chemical provides research equipment.Adopt modern technologies to carry out analysis, the arrangement of mass data, the mutual relation of research parameter, parameter distribution and the regularity of distribution, the theoretical research for Chinese medicine meridian acupuncture point provides basic instrument.
Description
One, technical field
The present invention relates to Chinese medical theory research, particularly meridian point distribution research, the specifically distributed multi parameter tester of meridian point.
Two, background technology
The traditional Chinese medical science is one of representative of Chinese culture.The research field that China greatly develops and subsidizes to the theoretical research of the traditional Chinese medical science.One of development bottleneck of theory of Chinese medical science is that the traditional Chinese medical science detecting instrument supporting traditional Chinese medical science system lacks.In theory of Chinese medical science, meridians and acupuncture point are the human body key positions of tcm diagnosis treatment, and in the historical floods of Traditional Chinese Medicine research, the research at meridians and acupuncture point occupies very important effect.Chinese Patent Application No.: CN201120310017 announce " Chinese medicine meridian detection instrument ", disclose a kind of Chinese medicine meridian detection instrument, by acupoint biological electrical signal detection pop one's head in obtain respectively human body difference meridians place bioelectrical signals identify collaterals of human." personal pocket meridian energy detector " that Chinese Patent Application No.: CN201020146433.5 announces discloses the design of a kind of personal pocket meridian energy detector, directly measures the D.C. resistance of acupuncture point relative to reference point." a kind of Chinese medicine acupoint positioning device and method " that Chinese Patent Application No.: CN201110280650.2 announces, discloses a kind of Chinese medicine acupoint positioning device, adopts WAVELET PACKET DECOMPOSITION technology to carry out acupuncture point judgement." human body acupoint resistance value detector " that Chinese Patent Application No.: CN200720128897.1 announces discloses a kind of human body acupoint resistance value detector, judges acupuncture point by measuring D.C. resistance.The research of above-mentioned prior art to meridian point plays a good role, and these technology are direct current resistance m easurem ent technology to meridians detection employing.Due to the shortage of pertinent instruments, the research at meridians and acupuncture point does not also have precise definition, so the application of above-mentioned patent is subject to certain restrictions, finding accurately of acupuncture point also exists certain deviation.The present invention provides a kind of electronic measuring instrument and equipment for the mechanism at meridians and acupuncture point.The scientific instrument with modern technologies feature are provided, for the research of meridian point is provided fundamental basis for setting up Basic Theories of Chinese Medicine.
Three, summary of the invention
The object of this invention is to provide a kind of meridian point tester of distributed multiparameter, solve the deficiency of one-parameter single-point bit test in prior art, the mode of distributed, multiparameter is adopted to provide foundation, for developing of motherland's medical science rarity is provided fundamental basis for meridian point accurate location.
The object of the invention is to reach like this: tester by A, B two groups of combination sensors, A, B two sensors connecting line, measure and data handling system, comprehensive data analysis System's composition; Sensor connect lines connects combination sensor and measurement and data handling system, sensor sensing signal is flowed to measurement and data handling system; Measure and be connected with comprehensive data analysis system with data handling system, measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter, measurement parameter is flowed to comprehensive data analysis system and analyze.
Described combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and measurement electrode; Combination sensor shell is cylindrical shape, shell bottom installation infrared filter, inside from top to bottom successively installation infrared drive and data acquisition circuit, Infrared Detectors, Infrared Lens; Infrared Lens and infrared filter and combination sensor shell form a seal cavity, and inflator pump, a vent valve are installed in Infrared Lens top; Between infrared filter and combination sensor shell, spring is housed, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but can be free to slide.
Measurement electrode is made up of 25 electrodes, 25 electrodes are according to the center of circle and the arrangement of inside and outside circle ring-shaped, successively electrode is numbered: center of circle electrode is No. 1, eight electrodes of the circular distribution of inner ring are numbered No. 2-9,16 electrodes of outer ring annulus distribution are No. 10-25, No. 1 electrode of electrode centers and the 2-9 electrode of inner ring are arranged on the side of infrared filter near skin, 16 electrodes of outer ring distribution are numbered No. 10-25, race diameter is the twice of inner ring diameter, and the 10-25 electrode of outer ring is arranged on combination sensor shell.
Described infrared filter is circular, and it has passage.
Described Infrared Detectors is no-refrigeration infrared focal plane detector, and infrared driving and data acquisition circuit are by power supply and biasing circuit, amplification and filter circuit, and analog to digital conversion circuit and programmable gate array are formed; Power supply and biasing circuit are connected to no-refrigeration infrared focal plane detector, for no-refrigeration infrared focal plane detector provides power supply and offset signal, the image outputting analog signal of no-refrigeration infrared focal plane detector is by after amplifying and amplifying with filter circuit, convert digital signal to through analog to digital conversion circuit and flow to programmable gate array, the master clock of no-refrigeration infrared focal plane detector, reset signal, integrated signal, row useful signal, the first row signal are connected with programmable gate array.
Measure and be made up of multi-channel gating switch control circuit, impedance spectrum measuring circuit, impedance imaging measuring circuit, partial pressure of oxygen measuring circuit, microprocessor with data handling system; The electrode connecting line of A, B two sensors connecting line is connected with multi-channel gating switch control circuit, and Infrared Detectors exports data serial communications interface and is connected with microprocessor.
When carrying out impedance spectrum measurement, multi-channel gating switch control circuit, by electrode connecting line each negative electrode selecting an electrode in its 25 electrodes from combination sensor A and combination sensor B, is connected to impedance spectrum measuring circuit; When carrying out impedance imaging measurement, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, be connected to impedance imaging measuring circuit; When carrying out partial pressure of oxygen measurement, multi-channel gating switch control circuit in the 1-25 electrode of combination sensor A or combination sensor B, selects an antikathode of same electrode and anode to be connected to partial pressure of oxygen measuring circuit by electrode connecting line.
Microprocessor is connected with impedance spectrum measuring circuit, receives the measurement data of impedance spectrum measuring circuit; Microprocessor is connected with impedance imaging measuring circuit, receives the measurement data of impedance imaging measuring circuit; Microprocessor is connected with partial pressure of oxygen measuring circuit, receives the measurement data of partial pressure of oxygen measuring circuit; Microprocessor is connected with multi-channel gating switch control circuit, controls gating switch to the gating of specifying electrode cathode or anode; Microprocessor and the Infrared Detectors in sensor connect lines export data serial communications interface and are connected, and read it and export data from Infrared Detectors;
Microprocessor is connected with comprehensive data analysis system, measurement data is given comprehensive data analysis system.
When carrying out impedance spectrum measurement, 25 connecting lines be connected with the electrode cathode of combination sensor A in electrode connecting line A are connected to 25 and select 1 circuit A, and 25 select 1 circuit A therefrom to select a connecting line to be connected to impedance spectrum measuring circuit; 25 connecting lines be connected with the electrode cathode of combination sensor B in electrode connecting line B are connected to 25 and select 1 circuit B, and 25 select 1 circuit B therefrom to select a connecting line to be connected to impedance spectrum measuring circuit;
Described carry out impedance imaging measure time, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, select 1 circuit to be connected to impedance imaging measuring circuit through 2;
Described carry out partial pressure of oxygen measure time, multi-channel gating switch control circuit selects 1 circuit to select negative electrode and the anode of No. 1-25 certain electrode of combination sensor A and combination sensor B by 25, then selects 1 circuit to select negative electrode and the anode of combination sensor A or combination sensor B by 2.
Electrode is single is circular, be respectively electrode cathode (26), zirconium dioxide (27), electrode anode (28) from bottom to up, electrode anode is connected to electrode cathode the connector be connected with sensor connect lines with micro wiring, 1-16 electrode is manufactured on infrared filter by micro fabrication, electrode cathode outer limit contact skin; The area that electrode and connection wire account for infrared filter is less than 30%.
In multi parameter tester, sensor is combination sensor, responds to meridian point impedance spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging parameter respectively;
Combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and exploring electrode; 25 electrodes according to the center of circle and inside and outside circle ring-shaped arranged evenly; The installation of infrared filter adopts the method that can stretch, a seal cavity is formed by Infrared Lens and infrared filter and combination sensor shell, an inflator pump and vent valve are installed in Infrared Lens top, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but infrared filter can be free to slide; There is a spring in infrared filter outer ring, when carrying out impedance imaging test, open vent valve, under the action of the spring, infrared filter indentation combination sensor shell, the electrode on infrared filter does not contact skin; When carrying out impedance spectrum, partial pressure of oxygen test, close vent valve, open inflator pump, infrared filter stretches out combination sensor shell, the electrode contact skin on infrared filter; Infrared Lens ensures with the installation site of Infrared Detectors skin blur-free imaging on Infrared Detectors that electrode cathode contacts.
Measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter: by gating circuit to the gating of the electrode parameter of measurement impedance spectrum, impedance imaging, partial pressure of oxygen and parameter distribution respectively, by infrared survey mode measuring tempeature and Temperature Distribution, measure and measured by measurement and data handling system and gathered, comprehensive data analysis system carries out data analysis.
Measure and the microprocessor-based control flow process in data handling system:
Start, the first step, receive comprehensive data analysis system command; Does second step, judge to require that measuring tempeature distributes? no, enter the 6th step, be, the 3rd step, receive infrared driving and data acquisition circuit data; 4th step, computation of table lookup Temperature Distribution; 5th step, uploads to comprehensive data analysis system, returns the first step by temperature profile data; Does 6th step, judge to require measurement impedance imaging? no, enter the 11 step, be, 7th step, controls vent valve venting, the 8th step, measuring command is sent to impedance imaging measuring circuit, 9th step, gathers the measurement data of impedance imaging measuring circuit, the tenth step, impedance measurement data is sent to comprehensive data analysis system, returns the first step; Does 11 step, judge to require that measurement impedance is composed? no, enter the 13 step, be, the 12 step, run impedance spectrum and measure subprogram, return the first step; Does 13 step, judge to require to measure partial pressure of oxygen? no, return the first step, be, the 14 step, partial pressure of oxygen measures subprogram, returns the first step, and circulation comes and goes.
Measure and in data handling system, be connected to the impedance spectrum measurement procedure on Infrared Detectors:
Start, the first step, control inflator pump inflation, second step, i=1, j=1, 3rd step, controls the i electrode cathode that combination sensor A selected by gating circuit, control the j electrode cathode that combination sensor B selected by gating circuit, f=0, 4th step, arranges frequency f, 5th step, reads real part, imaginary part, and by the electrode pair of real part, imaginary part and correspondence, measuring frequency f stored in data base, 6th step, do you judge f < 100? be, the stepping of f=f+100 hertz, return the 4th step, no, 7th step, judge 100≤f < 1000, be, the stepping of f=f+1000 hertz, return the 4th step, no, 8th step, judge 1000≤f < 10K, be, the stepping of f=f+10K hertz, return the 4th step, no, 9th step, the stepping of f=f+100K hertz, tenth step, do you judge f > 1000K? no, return the 4th step, be, 11 step, j=j+1, 12 step, do you judge j > 25? no, return the 3rd step, be, 13 step, j=1, i=i+1, does the 14 step, judge i > 25?, no, return the 3rd step, be, the 15 step, data are given comprehensive data analysis system, terminate,
Partial pressure of oxygen measurement procedure:
Start, the first step, control charge valve inflation, second step, i=1, the 3rd step, controlling gating circuit selects the negative electrode of combination sensor i electrode and anode to be connected to partial pressure of oxygen measuring circuit, the 4th step, gathers partial pressure of oxygen measuring circuit output voltage, 5th step, computation of table lookup oxygen partial pressure value, the 6th step, i=i+1, does the 7th step judge i > 25?, no, return the 3rd step, be, terminate.
In described impedance imaging measuring circuit, DSP CONTROL flow process:
Start, K=10, M=K+2, N=k+3, the first step: control 16 and select 1 circuit gating K, K+1 electrode inputs as sinusoidal signal, second step: control 16 and select 1 circuit gating M, N electrode is connected to the analog digital conversion interface of digital signal processing chip as measuring output electrode, the voltage signal between M, N electrode is gathered by analog digital conversion interface, 3rd step, N=N+1, 4th step, do you judge N > 25? no, enter two steps, be, 5th step: N=N-25+9, 6th step, : judge N=K? no, enter two steps, be, 7th step: M=M+1, 8th step, do you judge M > 25? no, enter two steps, be, 9th step, M=M-25+9, tenth step, do you judge M=K? no, enter two steps, be, 11 step, K=K+1, 12 step, do you judge K=26? no, return the first step, be, 13 step, according to measurement data, set up and solve relevant Maxwell equation, computing impedance imaging parameters, 14 step, impedance imaging data are sent to microprocessor, terminate.
No-refrigeration infrared focal plane detector flow process: the first step, exports driver' s timing; Second step, reads in no-refrigeration infrared focal plane detector image signal; 3rd step, image rectification; 4th step, the data after correction flow to digital signal processor, and the 5th step, returns second step, move in circles.
The method for correcting image of no-refrigeration infrared focal plane detector comprises experiment test image correction parameters and image rectification two parts:
Experiment test image correction parameters: video camera is placed on 0,1,2,3 ... under 60 degrees Celsius of environment, measure the target that photographic subjects is 0 degree Celsius and 60 degrees Celsius respectively, by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 0 degree Celsius, the measurement value of jth row is labeled as X0ij (x), by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 60 degrees Celsius, the measurement value of jth row is labeled as Xhij (x); Under computing environment temperature x degree Celsius: Gij (x)=255/ (Xhij (x)-X0ij (x)), Qij (x)=-Gij (x) X0ij (x); Obtain Gij (x), Qij (x) under ambient temperature x degree Celsius, the i-th row, jth row correction parameter.
Method for correcting image: the first step, reads ambient temperature from digital temperature sensor, second step, environmentally temperature, reads correction parameter, the i-th row under design calculates ambient temperature x degree Celsius, the correction parameter of jth row is respectively Gij (x), Qij (x); 3rd step, reads no-refrigeration infrared focal plane detector image signal, if the i-th row read, the data of jth row are Dij; 4th step, correction data=Gij (x) Dij+Qij (x).
Comprehensive data analysis system program:
Start, select measurement parameter, send measuring command to microprocessor; Receive microprocessor measurement data, display is storage of measurement data also, carries out analytical calculation to measurement data, terminates.
Good effect of the present invention is:
1, the present invention adopts distributed parameters to test, and can detect the parameter distribution of meridian point and periphery thereof, provides reference by the parameter comparison acupuncture point that is as the criterion,
2, the present invention adopts multi-parameters test, can Impedance measurement spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging 4 parameters, and relative one-parameter test, test is according to more reliable.
3, adopt modern science and technology technology, carry out analysis, the arrangement of mass data in comprehensive data analysis system, the mutual relation of research parameter distribution and parameter distribution rule, for the theoretical research at Chinese medicine meridian acupuncture point lays the foundation.
Four, accompanying drawing explanation
Fig. 1 is the population structure schematic diagram of the distributed multi parameter tester of this meridian point.
Fig. 2 is combination sensor structural representation.
Fig. 3 is measurement electrode scattergram.
Fig. 4 is single electrode structure schematic diagram.
Fig. 5 is infrared filter structure side view.
Fig. 6 is infrared filter structure upward view.
Fig. 7 is Infrared Detectors and infrared driving and data acquisition circuit structured flowchart.
Fig. 8 is power supply and biasing circuit and no-refrigeration infrared focal plane detector circuit figure in Infrared Detectors.
Fig. 9 is that infrared driving and data acquisition circuit amplify and filter circuit figure.
Figure 10 is analog to digital conversion circuit figure in infrared driving and data acquisition circuit.
Figure 11 ~ Figure 14 is the programmable gate array circuit diagram that infrared driving and data acquisition circuit adopt.
Figure 15 measures and data handling system structured flowchart in the distributed multi parameter tester of this meridian point.
Figure 16 carries out gating circuit block diagram when impedance spectrum is measured.
Figure 17 is gating circuit block diagram when carrying out impedance spectrum imaging measurement.
Figure 18 carries out gating circuit block diagram when partial pressure of oxygen is measured.
Figure 19 25 selects 1 circuit diagram.
Figure 20 2 selects 1 circuit diagram.
Figure 21 is impedance spectrum measuring circuit figure.
Figure 22 is impedance spectrum imaging measurement circuit diagrams.
Figure 23 is sinusoidal signal generator circuit diagram in impedance imaging measuring circuit.
Figure 24 16 selects 1 circuit diagram in impedance imaging circuit.
Figure 25 amplifies and filter circuit figure in impedance imaging measuring circuit.
Figure 26 is digital signal processing circuit figure in impedance imaging measuring circuit.
Figure 27 measures and microcontroller circuit figure in data handling system.
Figure 28 is inflator pump and vent valve control circuit figure.
Figure 29 is Digital Signal Processing flow chart in impedance imaging measuring circuit.
Figure 30 measures and microprocessor flow chart in data handling system.
Figure 31 is impedance spectrum measurement procedure figure.
Figure 32 is partial pressure of oxygen measurement procedure figure.
Figure 33 is comprehensive data analysis system program flow chart.
In figure, 1 ~ 25 electrode, 26 electrode cathodes, 27 zirconium dioxides, 28 electrode anodes, 29 infrared filters, 30 passages, 26-8,26-1,26-4 look negative electrode, 30-8,30-1 on the upside of infrared filter, and 30-4 is the passage of apparent time on the upside of infrared filter.
Five, detailed description of the invention
See accompanying drawing 1-6.
This instrument is by A, B two combination sensors, A, B two sensors connecting line, measurement and data handling system, comprehensive data analysis System's composition.Combination sensor is for responding to meridian point impedance spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging parameter, sensor connect lines is used for sensor sensing signal to flow to measurement and data handling system, measure the induced signal with data handling system Analysis and measurement combination sensor, obtain meridian point impedance spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging parameter, and measured parameter is flowed to comprehensive data analysis system.
Described sensor connect lines comprises negative electrode and the anode connecting line of 25 measurement electrode, totally 50, simulation ground wire 5; Infrared driving and data acquisition circuit export the serial communication interface 6 of data for transmitting Infrared Detectors, power line 2, digital ground wire 2, and inflator pump control line 2, vent valve control line 2 are followed, and amount to 69 connecting lines; Wherein the negative electrode of each electrode and anode connecting line are twisted-pair feeder; With sleeve pipe suit outside 69 connecting lines, and be connected with special connecting piece.
Combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and measurement electrode; Combination sensor shell is cylindrical shape, shell bottom installation infrared filter, inside from top to bottom successively installation infrared drive and data acquisition circuit, Infrared Detectors, Infrared Lens; Infrared Lens and infrared filter and combination sensor shell form a seal cavity, inflator pump, vent valve and a spring are installed in Infrared Lens top, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but can be free to slide.
The installation of infrared filter adopts the method for designing that can stretch, telescopic method is that Infrared Lens forms a seal cavity with infrared filter and combination sensor shell, an inflator pump and vent valve are installed in Infrared Lens top, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but infrared filter can be free to slide.A spring is had in infrared filter outer ring.Open vent valve when carrying out impedance imaging test, under the action of the spring, infrared filter indentation combination sensor shell, the electrode on infrared filter does not contact skin.When carrying out impedance spectrum, partial pressure of oxygen test, close vent valve, open inflator pump, infrared filter stretches out combination sensor shell, the electrode contact skin on infrared filter.
Measurement electrode is made up of 25 electrodes, and as shown in Figure 3, electrode is circular distribution.Successively electrode is numbered: center of circle electrode is No. 1, eight electrodes of the circular distribution of inner ring are numbered No. 2-9, No. 1 electrode at center and the 2-9 electrode of inner ring are arranged on the side of infrared filter near skin, 16 electrodes of outer ring distribution are numbered No. 10-25, race diameter is the twice of inner ring diameter, and the 10-25 electrode of outer ring is arranged on combination sensor shell.
As shown in Figure 4, electrode two ends are electrode cathode 26 and electrode anode 28 to single electrode, and there is zirconium dioxide 27 centre.Electrode is circular, and electrode anode is connected to electrode cathode the connector be connected with sensor connect lines with micro wiring.1-16 electrode is manufactured on infrared filter by micro fabrication, electrode cathode outer limit contact skin.The area that electrode and connection wire account for infrared filter is less than 30%.
As shown in Figure 5, Figure 6.Infrared filter 29 has anode passage 30, and infrared filter is circular, and can pass through infrared light, visible light, passage makes electrode anode can contact with gas in shell.Infrared filter top is equipped with 1-9 electrode, and electrode is arranged on the ragged edge of combination sensor shell, and the outer limit of electrode cathode can touch skin.
Combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and measurement electrode; Combination sensor shell is cylindrical shape, shell bottom installation infrared filter, inside from top to bottom successively installation infrared drive and data acquisition circuit, Infrared Detectors, Infrared Lens; Infrared Lens and infrared filter and combination sensor shell form a seal cavity, inflator pump, a vent valve are installed in Infrared Lens top, between infrared filter and combination sensor shell, spring is housed, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but can be free to slide.
See Fig. 7.Infrared Detectors is used for measuring tempeature distribution, is no-refrigeration infrared focal plane detector.Infrared driving and data acquisition circuit by power supply and biasing circuit, to amplify and filter circuit, analog to digital conversion circuit, programmable gate array are formed.Power supply and biasing circuit provide power supply and offset signal for no-refrigeration infrared focal plane detector, the image outputting analog signal of no-refrigeration infrared focal plane detector is by after amplifying and amplifying with filter circuit, convert digital signal to through analog to digital conversion circuit and flow to programmable gate array, the master clock of no-refrigeration infrared focal plane detector, reset signal, integrated signal, row useful signal, the first row signal are connected with programmable gate array.
See Fig. 8.In figure, U3 is no-refrigeration infrared focal plane detector, for the UL01021E of French ULIS company, U1, U2, U4, U5, U6, U7, U8 form power supply and biasing circuit, U1, U2 are the TPS79533 of TEXAS INSTRUMENTS company of the U.S., the LM317 of U4, U5 to be the MAX6004 of MAXIM company of the U.S., U6 be TEXAS INSTRUMENTS company of the U.S., U7, U8 are the TLV5638 of TEXAS INSTRUMENTS company of the U.S., MC is master clock; INT is integrated signal; RESET is reset signal; LIGNE1 is the first row signal; DATAVAL is row useful signal; Amplification and filter circuit is outputed signal to by AOUT.
Amplify in Fig. 9 with filter circuit figure, U1 is the OPA2890 of TEXAS INSTRUMENTS company of the U.S., and interface AOUT is connected to the output of no-refrigeration infrared focal plane detector; ADCIN is connected to the input of analog to digital conversion circuit.
In Figure 10 Infrared Detectors in analog to digital conversion circuit, U2 is the AD9244 of Analog Devices company of the U.S.; AOUT connects the ADCIN interface amplified with filter circuit, CLK+, CLK-, DB0 ... DB13 is output pixel signal, connects programmable gate array.
See Figure 11 ~ Figure 14, infrared driving and data acquisition circuit adopt programmable gate array circuit diagram.Programmable gate array chip selects the XC3S1200 of XILINX company of the U.S..
See Figure 15.Measure and be made up of multi-channel gating switch control circuit, impedance spectrum measuring circuit, impedance imaging measuring circuit, partial pressure of oxygen measuring circuit, microprocessor with data handling system.The electrode connecting line of two sensors connecting line is connected with multi-channel gating switch control circuit, and infrared driving is connected with microprocessor with the output data serial communications interface of data acquisition circuit.When carrying out impedance spectrum measurement, multi-channel gating switch control circuit, by electrode connecting line each negative electrode selecting one of them electrode from combination sensor A and combination sensor B, is connected to impedance spectrum measuring circuit.When carrying out impedance imaging measurement, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, be connected to impedance imaging measuring circuit.When carrying out partial pressure of oxygen measurement, multi-channel gating switch control circuit in the 1-25 electrode of combination sensor A or combination sensor B, selects an antikathode of same electrode and anode to be connected to partial pressure of oxygen measuring circuit by electrode connecting line.Microprocessor is connected with impedance spectrum measuring circuit, receives the measurement data of impedance spectrum measuring circuit; Microprocessor is connected with impedance imaging measuring circuit, receives the measurement data of impedance imaging measuring circuit; Microprocessor is connected with partial pressure of oxygen measuring circuit, receives the measurement data of partial pressure of oxygen measuring circuit; Microprocessor is connected with multi-channel gating switch control circuit, controls gating switch to the gating of specifying electrode cathode or anode; Microprocessor and the Infrared Detectors in sensor connect lines export data serial communications interface and are connected, and read and export data from Infrared Detectors.Microprocessor is connected with comprehensive data analysis system, measurement data is given comprehensive data analysis system.Figure 16 ~ Figure 20 be carry out respectively impedance spectrum measurement, impedance imaging measure time, partial pressure of oxygen measure time gating circuit block diagram.
When carrying out impedance measurement, 25 connecting lines be connected with the electrode cathode of combination sensor A in electrode connecting line A are connected to 25 and select 1 circuit A, and 25 select 1 circuit A therefrom to select a connecting line to be connected to impedance spectrum measuring circuit; 25 connecting lines be connected with the electrode cathode of combination sensor B in electrode connecting line B are connected to 25 and select 1 circuit B, and 25 select 1 circuit B therefrom to select a connecting line to be connected to impedance spectrum measuring circuit.
When carrying out impedance imaging measurement, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, be connected to impedance imaging measuring circuit.
When carrying out partial pressure of oxygen measurement, multi-channel gating switch control circuit is selected in 1-25 electrode by electrode connecting line from combination sensor A or combination sensor B, selects an antikathode of same electrode and anode to be connected to partial pressure of oxygen measuring circuit.When carrying out impedance imaging measurement and partial pressure of oxygen measures, employing 2 and selecting 1 gating circuit.
Figure 19 25 selects in 1 circuit, and N1-N25 is 25 selective connecting lines, and OUT is gating connecting line, and A, B, C, A1, B1, C1 are connected to microprocessor.The chip of chip type selecting National Semiconductor: MM74HC4051.
Figure 20 2 selects in 1 circuit diagram, 3 tunnels 2 are had to select 1 circuit in figure, can select to be communicated with X from X0, X1, can select to be communicated with Y from Y0, Y1, can select to be communicated with Z from Z0, Z1, A, B, C be connected to microprocessor. the chip of chip type selecting National Semiconductor: MM74HC4053.
Figure 21 is impedance spectrum measuring circuit figure.The main chip of impedance spectrum measuring circuit is the chip AD5933 of U.S. Analog Devices, Inc..In figure, POLE1, POLE2 are connected with gate.SCL, SDA are connected with the impedance spectrum Survey control interface of microprocessor.
Figure 22 is impedance spectrum imaging measurement circuit diagrams.Sinusoidal signal generation circuit produces sinusoidal current source, selects 1 circuit to select two input electrodes from 10-25 electrode by 16.Select 1 circuit to select two measurement electrode from 10-25 electrode by 16, be connected to amplification and filter circuit as input signal end, amplify the analog digital conversion interface being connected to digital signal processing circuit with the output of filter circuit.10-25 electrode cathode line is by impedance imaging gating circuit gating wherein 4 electrode cathode lines.The gating of 1 circuit is selected for 4 16 to be controlled by digital signal processing circuit.
Figure 23 is sinusoidal signal generator circuit diagram in impedance imaging measuring circuit.Sinusoidal signal generation circuit is for generation of sinusoidal signal; U1 is DDS integrated circuit, and model is AD9852, and produced by Analog Devices company of the U.S., DDS_D0-DDS_D7, DDS_A0-DDS_A5 are connected to digital signal processing circuit, for the output frequency of control DDS.
Figure 24 16 selects 1 circuit diagram in impedance imaging circuit.N1-N16 is 16 with selective connecting line, and X is gating connecting line, and A, B, C, A1, B1, C1 are connected to digital signal processing circuit; U1, U2: the chip of National Semiconductor: MM74HC4051U3: the chip of National Semiconductor: MM74HC4053.
Amplify and filter circuit figure see in Figure 25 impedance imaging measuring circuit.In figure, U1, U2 is the TLC2254 chip that TexasInstruments company of the U.S. produces, U3 is the AD623 chip that Analog Devices company of the U.S. produces, IN1, IN2 are input interface, individual 16 select 1 circuit to be connected respectively with even, OUT is output interface, is connected to the analog digital conversion interface of digital signal processing circuit.
Figure 26 is digital signal processing circuit figure in impedance imaging measuring circuit.In figure, UC1: digital signal processing chip, model is TMS320F2812, TEXAS INSTRUMENTS company of the U.S. produces.2nd pin of UC1 is analog digital conversion interface, is connected with the output of filter circuit with amplification.Other universal input/output interface selects 1 circuit and sinusoidal signal generation circuit for controlling 4 16.90th, 91 pins are connected with microprocessor, for the communication between digital signal processing chip and microprocessor.
Measure with data handling system, partial pressure of oxygen measuring circuit is identical with filter circuit with the amplification in impedance imaging measuring circuit; IN1, IN2 are input interface, and be connected with the anode of gate, negative electrode respectively, OUT is output interface, is connected to the analog digital conversion interface of microcontroller circuit.
Figure 27 measures and microcontroller circuit figure in data handling system.Microprocessor is the MSP430F135 that TexasInstruments company of the U.S. produces.2nd foot connects the output of partial pressure of oxygen measuring circuit, and the 33rd, 34 feet connect 90,91 feet of digital signal processing chip.Other universal input/output interface is connected with impedance spectrum measuring circuit, partial pressure of oxygen measuring circuit, inflator pump and vent valve control circuit respectively.
Figure 28 is inflator pump and vent valve control circuit figure.Two inflator pumps and two vent valves all adopt identical circuit; P is connected with the input/output interface of microprocessor, and A, B connect inflator pump and vent valve control line.
When using this tester to study meridian point, because sensor is combination sensor, respond to meridian point impedance spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging parameter respectively, adopt distributed frame, wherein test zone is the multiple spot of acupuncture point periphery, can detect the parameter distribution of meridian point and periphery thereof.Measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter, by gating circuit to the gating of the electrode parameter of measurement impedance spectrum, impedance imaging, partial pressure of oxygen and parameter distribution respectively, by infrared survey mode measuring tempeature and Temperature Distribution, measurement parameter is by measuring and data handling system collection, and comprehensive data analysis system carries out data analysis.
This tester introduces modern science and technology, measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter, measurement parameter is flowed to comprehensive data analysis system to analyze, comprehensive data analysis system adopts common computer, convenient operation person operates control, and date processing fast, reliably.
Figure 29 ~ 33 are software processing flow.Computer carries out rapid operation according to operation control flow.
Measure and the microprocessor-based control flow process in data handling system:
Start, the first step, receive comprehensive data analysis system command; Does second step, judge to require that measuring tempeature distributes? no, enter the 6th step, be, the 3rd step, receive infrared driving and data acquisition circuit data; 4th step, computation of table lookup Temperature Distribution; 5th step, uploads to comprehensive data analysis system, returns the first step by temperature profile data; Does 6th step, judge to require measurement impedance imaging? no, enter the 11 step, be, 7th step, controls vent valve venting, the 8th step, measuring command is sent to impedance imaging measuring circuit, 9th step, gathers the measurement data of impedance imaging measuring circuit, the tenth step, impedance measurement data is sent to comprehensive data analysis system, returns the first step; Does 11 step, judge to require that measurement impedance is composed? no, enter the 13 step, be, the 12 step, run impedance spectrum and measure subprogram, return the first step; Does 13 step, judge to require to measure partial pressure of oxygen? no, return the first step, be, the 14 step, partial pressure of oxygen measures subprogram, returns the first step, and circulation comes and goes.
Measure and in data handling system, be connected to the impedance spectrum measurement procedure on Infrared Detectors:
Start, the first step, control inflator pump inflation, second step, i=1, j=1, 3rd step, controls the i electrode cathode that combination sensor A selected by gating circuit, control the j electrode cathode that combination sensor B selected by gating circuit, f=0, 4th step, arranges frequency f, 5th step, reads real part, imaginary part, and by the electrode pair of real part, imaginary part and correspondence, measuring frequency f stored in data base, 6th step, do you judge f < 100? be, the stepping of f=f+100 hertz, return the 4th step, no, 7th step, judge 100≤f < 1000, be, the stepping of f=f+1000 hertz, return the 4th step, no, 8th step, judge 1000≤f < 10K, be, the stepping of f=f+10K hertz, return the 4th step, no, 9th step, the stepping of f=f+100K hertz, tenth step, do you judge f > 1000K? no, return the 4th step, be, 11 step, j=j+1, 12 step, do you judge j > 25? no, return the 3rd step, be, 13 step, j=1, i=i+1, does the 14 step, judge i > 25?, no, return the 3rd step, be, the 15 step, data are given comprehensive data analysis system, terminate,
Partial pressure of oxygen measurement procedure:
Start, the first step, control charge valve inflation, second step, i=1, the 3rd step, controlling gating circuit selects the negative electrode of combination sensor i electrode and anode to be connected to partial pressure of oxygen measuring circuit, the 4th step, gathers partial pressure of oxygen measuring circuit output voltage, 5th step, computation of table lookup oxygen partial pressure value, the 6th step, i=i+1, does the 7th step judge i > 25?, no, return the 3rd step, be, terminate.
In impedance imaging measuring circuit, DSP CONTROL flow process:
Start, K=10, M=K+2, N=k+3, the first step: control 16 and select 1 circuit gating K, K+1 electrode inputs as sinusoidal signal, second step: control 16 and select 1 circuit gating M, N electrode is connected to the analog digital conversion interface of digital signal processing chip as measuring output electrode, the voltage signal between M, N electrode is gathered by analog digital conversion interface, 3rd step, N=N+1, 4th step, do you judge N > 25? no, enter two steps, be, 5th step: N=N-25+9, 6th step, : judge N=K? no, enter two steps, be, 7th step: M=M+1, 8th step, do you judge M > 25? no, enter two steps, be, 9th step, M=M-25+9, tenth step, do you judge M=K? no, enter two steps, be, 11 step, K=K+1, 12 step, do you judge K=26? no, return the first step, be, 13 step, according to measurement data, set up and solve relevant Maxwell equation, computing impedance imaging parameters, 14 step, impedance imaging data are sent to microprocessor, terminate.
No-refrigeration infrared focal plane detector flow process: the first step, exports driver' s timing; Second step, reads in no-refrigeration infrared focal plane detector image signal; 3rd step, image rectification; 4th step, the data after correction flow to digital signal processor, and the 5th step, returns second step, move in circles.
The method for correcting image of no-refrigeration infrared focal plane detector comprises experiment test image correction parameters and image rectification two parts:
Experiment test image correction parameters: 0,1,2,3 ... under 60 degrees Celsius of environment, measure the target that photographic subjects is 0 degree Celsius and 60 degrees Celsius respectively, by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 0 degree Celsius, the measurement value of jth row is labeled as X0ij (x), by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 60 degrees Celsius, the measurement value of jth row is labeled as Xhij (x); Under computing environment temperature x degree Celsius: Gij (x)=255/ (Xhij (x)-X0ij (x)), Qij (x)=-Gij (x) X0ij (x); Obtain Gij (x), Qij (x) under ambient temperature x degree Celsius, the i-th row, jth row correction parameter;
Method for correcting image: the first step, reads ambient temperature from digital temperature sensor, second step, environmentally temperature, reads correction parameter, the i-th row under design calculates ambient temperature x degree Celsius, the correction parameter of jth row is respectively Gij (x), Qij (x); 3rd step, reads no-refrigeration infrared focal plane detector image signal, if the i-th row read, the data of jth row are Dij; 4th step, correction data=Gij (x) Dij+Qij (x).
Comprehensive data analysis system program:
Start, select measurement parameter, send measuring command to microprocessor; Receive microprocessor measurement data, display is storage of measurement data also, carries out analytical calculation to measurement data, terminates.
Claims (9)
1. the distributed multi parameter tester of meridian point, is characterized in that: tester is by A, B two groups of combination sensors, A, B two sensors connecting line, measurement and data handling system, comprehensive data analysis System's composition; Sensor connect lines connects combination sensor and measurement and data handling system, sensor sensing signal is flowed to measurement and data handling system; Measure and be connected with comprehensive data analysis system with data handling system, measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter, measurement parameter is flowed to comprehensive data analysis system and analyze;
Described combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and measurement electrode; Combination sensor shell is cylindrical shape, shell bottom installation infrared filter, inside from top to bottom successively installation infrared drive and data acquisition circuit, Infrared Detectors, Infrared Lens; Infrared Lens and infrared filter and combination sensor shell form a seal cavity, and inflator pump, a vent valve are installed in Infrared Lens top; Between infrared filter and combination sensor shell, spring is housed, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but can be free to slide.
2. the distributed multi parameter tester of meridian point as claimed in claim 1, it is characterized in that: described measurement electrode is made up of 25 electrodes, 25 electrodes are according to the center of circle and the arrangement of inside and outside circle ring-shaped, successively electrode is numbered: center of circle electrode is No. 1, eight electrodes of the circular distribution of inner ring are numbered No. 2-9, 16 electrodes of outer ring annulus distribution are No. 10-25, No. 1 electrode of electrode centers and the 2-9 electrode of inner ring are arranged on the side of infrared filter near skin, race diameter is the twice of inner ring diameter, the 10-25 electrode of outer ring is arranged on combination sensor shell,
Described infrared filter (29) is circular, it has passage (30);
Described Infrared Detectors is no-refrigeration infrared focal plane detector, and infrared driving and data acquisition circuit are by power supply and biasing circuit, amplification and filter circuit, and analog to digital conversion circuit and programmable gate array are formed; Power supply and biasing circuit are connected to no-refrigeration infrared focal plane detector, for no-refrigeration infrared focal plane detector provides power supply and offset signal, the image outputting analog signal of no-refrigeration infrared focal plane detector is by after amplifying and amplifying with filter circuit, convert digital signal to through analog to digital conversion circuit and flow to programmable gate array, the master clock of no-refrigeration infrared focal plane detector, reset signal, integrated signal, row useful signal, the first row signal are connected with programmable gate array;
Described A, B two sensors connecting line comprises negative electrode and the anode connecting line of 25 measurement electrode, totally 50, simulation ground wire 5; Infrared driving and data acquisition circuit export the serial communication interface 6 of data for transmitting Infrared Detectors, power line 2, digital ground wire 2, and inflator pump control line 2, vent valve control line 2 amount to 69 connecting lines; Wherein the negative electrode of each electrode and anode connecting line are twisted-pair feeder; Be set with sleeve pipe outside 69 connecting lines.
3. the distributed multi parameter tester of meridian point as claimed in claim 1, is characterized in that: described measurement and data handling system are made up of multi-channel gating switch control circuit, impedance spectrum measuring circuit, impedance imaging measuring circuit, partial pressure of oxygen measuring circuit, microprocessor; The electrode connecting line of A, B two sensors connecting line is connected with multi-channel gating switch control circuit, and Infrared Detectors exports data serial communications interface and is connected with microprocessor;
When carrying out impedance spectrum measurement, multi-channel gating switch control circuit, by electrode connecting line each negative electrode selecting an electrode in its 25 electrodes from combination sensor A and combination sensor B, is connected to impedance spectrum measuring circuit; When carrying out impedance imaging measurement, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, be connected to impedance imaging measuring circuit;
When carrying out partial pressure of oxygen measurement, multi-channel gating switch control circuit in the 1-25 electrode of combination sensor A or combination sensor B, selects an antikathode of same electrode and anode to be connected to partial pressure of oxygen measuring circuit by electrode connecting line; Microprocessor is connected with impedance spectrum measuring circuit, receives the measurement data of impedance spectrum measuring circuit; Microprocessor is connected with impedance imaging measuring circuit, receives the measurement data of impedance imaging measuring circuit; Microprocessor is connected with partial pressure of oxygen measuring circuit, receives the measurement data of partial pressure of oxygen measuring circuit; Microprocessor is connected with multi-channel gating switch control circuit, controls gating switch to the gating of specifying electrode cathode or anode; Microprocessor and the Infrared Detectors in sensor connect lines export data serial communications interface and are connected, and read it and export data from Infrared Detectors;
Microprocessor is connected with comprehensive data analysis system, measurement data is given comprehensive data analysis system.
4. the distributed multi parameter tester of meridian point as claimed in claim 3, is characterized in that:
Described carry out impedance spectrum measure time, 25 connecting lines be connected with the electrode cathode of combination sensor A in electrode connecting line A are connected to 25 and select 1 circuit A, and 25 select 1 circuit A therefrom to select a connecting line to be connected to impedance spectrum measuring circuit; 25 connecting lines be connected with the electrode cathode of combination sensor B in electrode connecting line B are connected to 25 and select 1 circuit B, and 25 select 1 circuit B therefrom to select a connecting line to be connected to impedance spectrum measuring circuit;
Described carry out impedance imaging measure time, the negative electrode of 10-25 electrode selected by multi-channel gating switch control circuit from combination sensor A or combination sensor B by electrode connecting line, select 1 circuit to be connected to impedance imaging measuring circuit through 2;
Described carry out partial pressure of oxygen measure time, multi-channel gating switch control circuit selects 1 circuit to select negative electrode and the anode of No. 1-25 certain electrode of combination sensor A and combination sensor B by 25, then selects 1 circuit to select negative electrode and the anode of combination sensor A or combination sensor B by 2.
5. the distributed multi parameter tester of meridian point as claimed in claim 2, it is characterized in that: described electrode is single for circular, be respectively electrode cathode (26), zirconium dioxide (27), electrode anode (28) from bottom to up, electrode anode is connected to electrode cathode the connector be connected with sensor connect lines with micro wiring, 1-16 electrode is manufactured on infrared filter by micro fabrication, electrode cathode outer limit contact skin; The area that electrode and connection wire account for infrared filter is less than 30%.
6. a method of testing for the distributed multi parameter tester of meridian point, is characterized in that: in multi parameter tester, sensor is combination sensor, responds to meridian point impedance spectrum, partial pressure of oxygen, Temperature Distribution, impedance imaging parameter respectively;
Combination sensor is made up of combination sensor shell, infrared driving and data acquisition circuit, Infrared Detectors, Infrared Lens, infrared filter and exploring electrode; 25 electrodes according to the center of circle and inside and outside circle ring-shaped arranged evenly; The installation of infrared filter adopts the method that can stretch, a seal cavity is formed by Infrared Lens and infrared filter and combination sensor shell, an inflator pump and vent valve are installed in Infrared Lens top, infrared filter relies on sealing rubber ring and the combination sensor body seal of infrared filter outer ring, but infrared filter can be free to slide; There is a spring in infrared filter outer ring, when carrying out impedance imaging test, open vent valve, under the action of the spring, infrared filter indentation combination sensor shell, the electrode on infrared filter does not contact skin; When carrying out impedance spectrum, partial pressure of oxygen test, close vent valve, open inflator pump, infrared filter stretches out combination sensor shell, the electrode contact skin on infrared filter; Infrared Lens ensures with the installation site of Infrared Detectors skin blur-free imaging on Infrared Detectors that electrode cathode contacts;
Measure and receive comprehensive data analysis system command with the microprocessor in data handling system, control related sensor to carry out measuring and gathering measurement parameter: by gating circuit to the gating of the electrode parameter of measurement impedance spectrum, impedance imaging, partial pressure of oxygen and parameter distribution respectively, by infrared survey mode measuring tempeature and Temperature Distribution, measure and measured by measurement and data handling system and gathered, comprehensive data analysis system carries out data analysis.
7. the method for testing of the distributed multi parameter tester of meridian point as claimed in claim 6, is characterized in that: the microprocessor-based control flow process in described measurement and data handling system:
Start, the first step, receive comprehensive data analysis system command; Does second step, judge to require that measuring tempeature distributes? no, enter the 6th step, be, the 3rd step, receive infrared driving and data acquisition circuit data; 4th step, computation of table lookup Temperature Distribution; 5th step, uploads to comprehensive data analysis system, returns the first step by temperature profile data; 6th step, judges whether to require measurement impedance imaging, no, enter the 11 step, be, the 7th step, control vent valve is exitted, 8th step, sends measuring command to impedance imaging measuring circuit, the 9th step, gather the measurement data of impedance imaging measuring circuit, tenth step, is sent to comprehensive data analysis system, returns the first step by impedance measurement data; 11 step, judges whether to require that measurement impedance is composed, no, enters the 13 step, is, the 12 step, runs impedance spectrum and measures subprogram, return the first step; 13 step, judges whether to require to measure partial pressure of oxygen, and no, return the first step, be, the 14 step, partial pressure of oxygen measures subprogram, returns the first step, and circulation comes and goes.
8. the method for testing of the distributed multi parameter tester of meridian point as claimed in claim 6, is characterized in that: the impedance spectrum measurement procedure in described measurement and data handling system:
Start, the first step, control inflator pump inflation, second step, i=1, j=1, 3rd step, controls the i electrode cathode that combination sensor A selected by gating circuit, control the j electrode cathode that combination sensor B selected by gating circuit, f=0, 4th step, arranges frequency f, 5th step, reads real part, imaginary part, and by the electrode pair of real part, imaginary part and correspondence, measuring frequency f stored in data base, 6th step, judge whether f < 100, be, the stepping of f=f+100 hertz, return the 4th step, no, 7th step, judge 100≤f < 1000, be, the stepping of f=f+1000 hertz, return the 4th step, no, 8th step, judge 1000≤f < 10K, be, the stepping of f=f+10K hertz, return the 4th step, no, 9th step, the stepping of f=f+100K hertz, tenth step, judge whether f > 1000K, no, return the 4th step, be, 11 step, j=j+1, 12 step, judge whether j > 25, no, return the 3rd step, be, 13 step, j=1, i=i+1, the 14 step, judges whether i > 25, no, and return the 3rd step, be, data are given comprehensive data analysis system by the 15 step, terminates,
Partial pressure of oxygen measurement procedure:
Start, the first step, control charge valve inflation, second step, i=1, the 3rd step, controlling gating circuit selects the negative electrode of combination sensor i electrode and anode to be connected to partial pressure of oxygen measuring circuit, the 4th step, gathers partial pressure of oxygen measuring circuit output voltage, 5th step, computation of table lookup oxygen partial pressure value, the 6th step, i=i+1, the 7th step judges whether i > 25, no, return the 3rd step, be, terminate.
9. the method for testing of the distributed multi parameter tester of meridian point as claimed in claim 6, is characterized in that: in described impedance imaging measuring circuit, DSP CONTROL flow process:
Start, K=10, M=K+2, N=K+3, the first step: control 16 and select 1 circuit gating K, K+1 electrode inputs as sinusoidal signal, second step: control 16 and select 1 circuit gating M, N electrode is connected to the analog digital conversion interface of digital signal processing chip as measuring output electrode, the voltage signal between M, N electrode is gathered by analog digital conversion interface, 3rd step, N=N+1, 4th step, judge whether N > 25, no, enter second step, be, 5th step: N=N-25+9, 6th step, judge whether N=K, no, enter second step, be, 7th step: M=M+1, 8th step, judge whether M > 25, no, enter second step, be, 9th step, M=M-25+9, tenth step, judge whether M=K, no, enter second step, be, 11 step, K=K+1, 12 step, judge whether K=26, no, return the first step, be, 13 step, according to measurement data, set up and solve relevant Maxwell equation, computing impedance imaging parameters, 14 step, impedance imaging data are sent to microprocessor, terminate, wherein, K, M, N represent that electrode is numbered,
No-refrigeration infrared focal plane detector flow process: the first step, exports driver' s timing; Second step, reads in no-refrigeration infrared focal plane detector image signal; 3rd step, image rectification; 4th step, the data after correction flow to digital signal processor, and the 5th step, returns second step, move in circles;
The method for correcting image of no-refrigeration infrared focal plane detector comprises experiment test image correction parameters and image rectification two parts:
Experiment test image correction parameters: 0,1,2,3 ... under 60 degrees Celsius of environment, measure the target that photographic subjects is 0 degree Celsius and 60 degrees Celsius respectively, by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 0 degree Celsius, the measurement value of jth row is labeled as X0ij (x), by ambient temperature x degree Celsius, the i-th row at photographic subjects temperature 60 degrees Celsius, the measurement value of jth row is labeled as Xhij (x); Under computing environment temperature x degree Celsius: Gij (x)=255/ (Xhij (x)-X0ij (x)), Qij (x)=-Gij (x) X0ij (x); Obtain Gij (x), Qij (x) under ambient temperature x degree Celsius, the i-th row, jth row correction parameter;
Method for correcting image: the first step, reads ambient temperature from digital temperature sensor, second step, environmentally temperature, reads correction parameter, the i-th row under design calculates ambient temperature x degree Celsius, the correction parameter of jth row is respectively Gij (x), Qij (x); 3rd step, reads no-refrigeration infrared focal plane detector image signal, if the i-th row read, the data of jth row are Dij; 4th step, correction data=Gij (x) Dij+Qij (x).
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| CN106619054A (en) * | 2017-02-16 | 2017-05-10 | 盐城师范学院 | Method for determining positions and forms of acupuncture points according to trace element distribution |
| RU178476U1 (en) * | 2017-04-03 | 2018-04-04 | Ирина Юрьевна Вишнякова | MULTIELECTRODE SKIN IMPEDANCE SCANNER FOR AURICULAR DIAGNOSTICS OF BIOLOGICALLY ACTIVE HUMAN POINTS |
| CN109481286B (en) * | 2018-12-25 | 2021-06-22 | 杭州电子科技大学 | Meridian point positioning device and method |
| CN109700657B (en) * | 2019-02-19 | 2021-04-20 | 南阳理工学院 | Traditional chinese medical science acupuncture human acupuncture point locater |
| CN111803027B (en) * | 2020-06-19 | 2023-10-13 | 天津大学 | Multi-information comprehensive diagnosis map system for human body acupoint impedance and infrared thermal image fusion |
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