CN106019203A - Automatic tester applied to smart electric meter production line - Google Patents
Automatic tester applied to smart electric meter production line Download PDFInfo
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- CN106019203A CN106019203A CN201610316881.7A CN201610316881A CN106019203A CN 106019203 A CN106019203 A CN 106019203A CN 201610316881 A CN201610316881 A CN 201610316881A CN 106019203 A CN106019203 A CN 106019203A
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- blood oxygen
- oxygen saturation
- blood
- voltage
- skin
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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- General Physics & Mathematics (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The invention relates to an automatic tester applied to a smart electric meter production line. The tester comprises a CF memory card, a facial skin color detection device, a blood glucose detection device, a blood oxygen saturation detection device, and an AVR32 chip. The CF memory card pre-stores four skin color average intervals and four blood oxygen saturation intervals. The blood glucose detection device is used for detecting blood glucose data of a tested person. The AVR32 chip respectively matches the detection results of the facial skin color detection device and the blood oxygen saturation detection device with the content in the CF memory card to determine the skin color level and blood oxygen saturation level of the tested person. With the automatic tester, multiple physiological parameters of a tested person can be analyzed and an early warning can be made more accurately.
Description
The present invention is Application No. 201510753724.8, filing date November 6 in 2015 day,
The patent of bright entitled " using method of a kind of auto testing instrument being applied to intelligent electric meter production line "
Divisional application.
Technical field
The present invention relates to ammeter production field, particularly relate to a kind of be applied to intelligent electric meter production line from
Dynamic tester.
Background technology
The working strength of intelligent electric meter production line is very big, and personnel are often in highly intensive labour, therefore
Condition is often in subhealth state.The blood oxygen saturation of normal human's arterial blood is 98%, vein
Blood is 75%.The metabolic processes of human body is biological oxidation process, and required in metabolic processes
The oxygen wanted, is to enter the hemoglobin (Hb) in blood of human body, with blood rbc by respiratory system,
It is combined into HbO2 Oxyhemoglobin (HbO2), then be transported to partes corporis humani and divide in histiocyte.Blood
The ability carrying conveying oxygen is i.e. weighed by blood oxygen saturation.As can be seen here, the reality of blood oxygen saturation
Time monitoring clinic give first aid in extremely important.
In prior art, row human blood collection the most advanced to measurement method of blood oxygen saturation, recycles blood
Edema caused by disorder of QI analyzer carries out electro chemical analysis, measures blood oxygen pressure and calculates blood oxygen saturation.This method ratio
Cumbersome, and continuous print monitoring can not be carried out.Prior art there is also some finger cot type photoelectric sensings
Device, during measurement, only need to utilize finger as containing hemoglobin by sensor sleeve on finger
Transparent vessel, use the near infrared light of the HONGGUANG of wavelength 660nm and 940nm as injecting light source,
Measure the light conductive strength by tissue bed, calculate hemoglobin concentration and blood oxygen saturation.
But, all there is following defect in blood oxygen saturation detection scheme of the prior art: can only be to blood
Oxygen saturation detects, and the object of detection is more single；Testing mechanism falls behind, and structural redundancy is spent
Height, precision can not meet the accuracy requirement increasingly increased；Particular, it is important that to blood oxygen saturation
Detection mechanism is uniquely changed, and can only detect the inadequate section of process by one because usually determining blood oxygen saturation
Learn.
Therefore, the present invention proposes a kind of auto testing instrument being applied to intelligent electric meter production line, it is possible to
Improve the structure of the blood oxygen saturation detecting instrument fallen behind, blood sugar test is dissolved into blood oxygen saturation inspection
In survey, widen the scope of the physiological parameter of detection, improve the accuracy of detection of blood oxygen saturation, it addition,
Photoelectric sense technology and image recognition technology can also be combined the concentration determining blood oxygen saturation, from
And, improve the Detection results of blood oxygen saturation instrument on the whole.
Summary of the invention
In order to solve the technical problem that prior art exists, the invention provides one and be applied to Intelligent electric
The auto testing instrument of table production line, optimizes the structure of current blood oxygen saturation detecting instrument, by blood glucose
Detection incorporates in blood oxygen saturation detection, improves the accuracy of detection of blood oxygen saturation, and meanwhile, employing has
The colour of skin of tested personnel is identified by image recognition technology targetedly, using the colour of skin as blood oxygen saturation
One of factor of degree detection so that the testing result of blood oxygen saturation is susceptible to the interference of single factors.
According to an aspect of the present invention, it is provided that a kind of automatic test being applied to intelligent electric meter production line
Instrument, described tester includes that Compact Flash, blee detect equipment, blood sugar test equipment, blood
Oxygen saturation detection equipment and AVR32 chip, it is equal that described Compact Flash has prestored four kinds of colours of skin
Value interval and four kinds of blood oxygen saturation intervals, described blood sugar test equipment is for the blood glucose to tested personnel
Data detect, and described AVR32 chip is by described blee detection equipment and described blood oxygen saturation
The testing result content with described Compact Flash respectively of degree detection equipment is mated, with the most really
Determine colour of skin grade and the blood oxygen saturation grade of tested personnel.
More specifically, in described a kind of auto testing instrument being applied to intelligent electric meter production line, including:
Compact Flash, has prestored preset ratio coefficient, has preset colour of skin weight, default blood oxygen saturation power
Weight, default balance lower threshold, default balance upper limit threshold and face tonal range, described facial ash
Degree scope is for by the human body face in image and background separation, and described Compact Flash also prestores
Four kinds of colour of skin mean value interval and four kinds of blood oxygen saturation intervals, described four kinds of colour of skin mean value interval are respectively
Corresponding four kinds of colour of skin grades, the most corresponding four kinds of blood oxygen saturations in described four kinds of blood oxygen saturation intervals etc.
Level；Image capture device includes domed transparent cover, floor light subset and CMOS camera,
Described domed transparent cover is used for accommodating described floor light subset and described CMOS camera, institute
State the shooting that floor light subset is described CMOS camera and floor light, described CMOS are provided
Photographic head to tested personnel's face shots to obtain tested personnel's face-image；Blee detection equipment
Including self adaptation recursive filtering subset, medium filtering subset, change of scale enhancer equipment, mesh
Mark segmentation subset, colour of skin grade identification subset and skin cluster subset；Described self adaptation recurrence
Filtering subset is connected with described CMOS camera, for using described tested personnel's face-image
Self adaptation recursive filtering processes, to filter the Gaussian noise in described tested personnel's face-image, it is thus achieved that
Self adaptation recursive filtering image；Described medium filtering subset and described self adaptation recursive filtering subset
Connect, process for described self adaptation recursive filtering image is performed medium filtering, with filter described from
Adapt to the scattering composition in recursive filtering image, it is thus achieved that medium filtering image；Described change of scale strengthens
Subset is connected with described medium filtering subset, becomes for described medium filtering image is performed yardstick
Change enhancement process, to strengthen target and the contrast of background in image, it is thus achieved that strengthen image；Described mesh
Mark segmentation subset is connected respectively with described change of scale enhancer equipment and described Compact Flash, will
The grey scale pixel value all pixels composition face in described face tonal range in described enhancing image
Subimage, described face subimage separates at the background of described tested personnel's face-image and obtains；Institute
State skin cluster subset to be connected with described Target Segmentation subset, for face subimage, by its institute
There is the brightness of pixel cumulative and quantity divided by its all pixels is to obtain target colour of skin average；Described skin
Colour gradation identification subset is connected respectively with described skin cluster subset and described Compact Flash, will
Described target colour of skin average is mated with four kinds of colour of skin mean value interval, the colour of skin mean value interval institute of output matching
Corresponding colour of skin grade exports as target colour of skin grade；Enzyme electrode sensor, including reference electrode,
To pole electrode and three electrodes of working electrode, working electrode is fixed with glucoseoxidase, wherein,
When the tested blood sample of tested personnel is dropped in the test zone of working electrode, working electrode is fixed
Glucoseoxidase and the glucose generation chemical reaction in tested blood sample, the response electricity on working electrode
Flow linear with the concentration of glucose in tested blood sample；Amplifying circuit, senses with described enzyme electrode
Device connects, for the response current receiving and amplifying on working electrode；Low pass filter, puts with described
Big circuit connects, for receiving and filter the radio-frequency component in response current；Light emitting diode, is arranged
In tested personnel's finger fingertip blood capillary position, it is connected with light source driving circuit, for based on light source
The LED control signal that drive circuit sends, alternate emission infrared light and HONGGUANG；Light source driving circuit,
Built-in timer, for sending LED control signal to described light emitting diode；Optical-electrical converter, if
Put on tested personnel's finger fingertip, be positioned at the relative position of described light emitting diode, be used for receiving
Penetrate the infrared light after tested personnel's finger fingertip blood capillary and HONGGUANG, and by transmitted infrared light and transmission
HONGGUANG is respectively converted into analog current signal, to obtain simulation infrared light electric current and simulation HONGGUANG electric current；
Current-to-voltage converting circuit, is connected with described optical-electrical converter, for simulation infrared light electric current and mould
Intend HONGGUANG electric current and carry out current/voltage conversion respectively, red to obtain simulation infrared light voltage and simulation respectively
Photovoltage；Signal amplifier, is connected with described current-to-voltage converting circuit, for simulation infrared light
Voltage and simulation red voltages are amplified respectively, red to obtain simulation infrared light amplification voltage and simulation
Light amplification voltage；Signal deteching circuit, is connected with described signal amplifier, detects including direct current signal
Electronic circuit and alternating current signal detection electronic circuit, for detect simulation infrared light voltage in flip-flop and
Alternating component, to export as the first DC voltage and the first alternating voltage, is additionally operable to detection simulation red
Flip-flop in photovoltage and alternating component, using defeated as the second DC voltage and the second alternating voltage
Go out；Analog-digital converter, is connected with described signal deteching circuit, for the first DC voltage, first
Alternating voltage, the second DC voltage and the second alternating voltage carry out analog digital conversion respectively, to obtain first
Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage and the second numeral
Change alternating voltage；Blood oxygen saturation computing circuit, is connected with described analog-digital converter, by the second numeral
Change the ratio of alternating voltage and the second Digital DC voltage divided by the first Digital AC voltage and the
The ratio of one Digital DC voltage is to obtain the absorbing light ratio factor, and based on the absorbing light ratio factor
Calculating blood oxygen saturation, wherein, blood oxygen saturation is linear with the absorbing light ratio factor；AVR32
Chip, is connected respectively with described low pass filter and described Compact Flash, based on preset ratio coefficient
With the blood sugar concentration that filtered response current calculates tested personnel, wherein, preset ratio coefficient is for certainly
Determine the response current on working electrode and the ratio of linear relationship between the concentration of glucose in tested blood sample
Value；Described AVR32 chip also is connected to obtain blood oxygen saturation with blood oxygen saturation computing circuit；Institute
State AVR32 chip when described blood sugar concentration is at default blood glucose upper concentration, send blood sugar concentration too high
Identify signal, when described blood sugar concentration is at default blood glucose least concentration, send the too low knowledge of blood sugar concentration
Level signal；Wherein, described AVR32 chip will calculate the blood oxygen saturation and described four kinds of blood oxygen that obtain
Saturation interval is mated, by the blood oxygen saturation corresponding to the blood oxygen saturation interval that the match is successful
Grade is as target blood oxygen saturation grade；Wherein, described AVR32 chip by target colour of skin grade with
Preset colour of skin multiplied by weight, by target blood oxygen saturation grade and default blood oxygen saturation multiplied by weight,
By two product addition to obtain total trade-off value, when total trade-off value is less than or equal to presetting balance lower threshold
Time, send hypoxemia identification signal, when total trade-off value is more than or equal to default balance upper limit threshold,
Send blood oxygen excess identification signal.More specifically, at described a kind of intelligent electric meter production line of being applied to
In auto testing instrument: self adaptation recursive filtering subset, medium filtering subset, change of scale strengthen
Subset, Target Segmentation subset, colour of skin grade identification subset and skin cluster subset are adopted respectively
Realize with different CPLD chips.Produce more specifically, be applied to intelligent electric meter in described one
In the auto testing instrument of line, described tester also includes: wireless communication interface, with described AVR32
Chip connect, for wireless transmission blood sugar concentration too high identification signal, blood sugar concentration too low identification signal,
Hypoxemia identification signal or blood oxygen excess identification signal.More specifically, be applied to intelligence in described one
In the auto testing instrument of energy ammeter production line: described wireless communication interface is mobile communication equipment or bluetooth
Communication equipment.More specifically, in described a kind of auto testing instrument being applied to intelligent electric meter production line:
Described mobile communication equipment is that GPRS mobile communication equipment, 3G mobile communication equipment or 4G move logical
Letter equipment.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the first enforcement of a kind of auto testing instrument being applied to intelligent electric meter production line of the present invention
The block diagram of example.
Reference: 1 Compact Flash；2 blee detection equipment；3 blood sugar test equipment；4 blood
Oxygen saturation detection equipment；5 AVR32 chips
Detailed description of the invention
A kind of automatic test being applied to intelligent electric meter production line to the present invention below with reference to accompanying drawings
The embodiment of instrument is described in detail.
Anoxia has tremendous influence to body.Such as to CNS, the impact of Liver and kidney function.Hypoxia
Shi Shouxian occurs that compensatory heart rate accelerates, and heartbeat and cardiac output increase, and blood circulation is moved with height
The deficiency of the compensatory oxygen content of power state.Produce blood flow reallocation, brain and crown cardioselective to expand simultaneously
Open to ensure enough blood supplies.But when serious hypoxic condition, owing under endocardium, lactic acid is piled up,
ATP synthesizes reduction, produces myocardiac inhibition, causes bradycardia, premature beat, blood pressure drops and the heart
Blood discharge amount reduces, and occurs the arrhythmia or even stop fighting such as quivering in room.
Due to the anoxia hazardness to people's health, blood oxygen saturation detecting instrument is always Medical Instruments
One of problem of developer's emphasis research and development.But, current blood oxygen saturation detecting instrument detection object
Single, circuit structure redundancy is high and detection mechanism is comprehensive not, causes blood oxygen saturation to detect
Poor effect, it is impossible to meet the current demand of patient and hospital.
To this end, the present invention has built a kind of auto testing instrument being applied to intelligent electric meter production line, optimize
The structure of current blood oxygen saturation detecting instrument, incorporates blood oxygen saturation detection by blood sugar concentration detection
In, more it is essential that use high-precision image recognition technology that the colour of skin of tested personnel is identified,
One of factor detect the colour of skin as blood oxygen saturation, considers the detection knot of blood oxygen saturation
Really, thus improve the intelligent level of medical detecting Instrument.
Fig. 1 is the first enforcement of a kind of auto testing instrument being applied to intelligent electric meter production line of the present invention
The block diagram of example, described tester includes that Compact Flash, blee detect equipment, blood glucose
Detection equipment, blood oxygen saturation detection equipment and AVR32 chip, described Compact Flash prestores
Four kinds of colour of skin mean value interval and four kinds of blood oxygen saturation intervals, described blood sugar test equipment is for quilt
The blood glucose level data of survey personnel detects, described AVR32 chip by described blee detection equipment and
The testing result content with described Compact Flash respectively of described blood oxygen saturation detection equipment is carried out
Join, to determine colour of skin grade and the blood oxygen saturation grade of tested personnel respectively.
Then, to a kind of auto testing instrument being applied to intelligent electric meter production line of the present invention the is continued
The concrete structure of two embodiments is further detailed.
Described tester includes: Compact Flash, has prestored preset ratio coefficient, has preset the colour of skin
Weight, default blood oxygen saturation weight, default balance lower threshold, default balance upper limit threshold dough-making powder
Portion's tonal range, described face tonal range is for by the human body face in image and background separation, institute
State Compact Flash and also prestore four kinds of colour of skin mean value interval and four kinds of blood oxygen saturation intervals, institute
Stating the most corresponding four kinds of colour of skin grades of four kinds of colour of skin mean value interval, described four kinds of blood oxygen saturation intervals are divided
Not corresponding four kinds of blood oxygen saturation grades.
Described tester includes: image capture device, sets including domed transparent cover, floor light
Standby and CMOS camera, described domed transparent cover is used for accommodating described floor light subset and institute
Stating CMOS camera, the shooting that described floor light subset is described CMOS camera provides
Floor light, described CMOS camera to tested personnel's face shots to obtain tested personnel's face figure
Picture.
Described tester includes: blee detection equipment, including self adaptation recursive filtering subset,
Medium filtering subset, change of scale enhancer equipment, Target Segmentation subset, colour of skin grade identification
Subset and skin cluster subset；Described self adaptation recursive filtering subset images with described CMOS
Head connects, for using self adaptation recursive filtering to process, to filter described tested personnel's face-image
Gaussian noise in described tested personnel's face-image, it is thus achieved that self adaptation recursive filtering image；In described
Value filtering subset is connected with described self adaptation recursive filtering subset, for described self adaptation recurrence
Filtering image performs medium filtering and processes, to filter being scattering in described self adaptation recursive filtering image
Point, it is thus achieved that medium filtering image；Described change of scale enhancer equipment and described medium filtering subset
Connect, for described medium filtering image is performed change of scale enhancement process, to strengthen mesh in image
Mark and the contrast of background, it is thus achieved that strengthen image；Described Target Segmentation subset and described change of scale
Enhancer equipment and described Compact Flash connect respectively, are existed by grey scale pixel value in described enhancing image
All pixels composition face subimage in described face tonal range, described face subimage is from described
Separate at the background of tested personnel's face-image and obtain；Described skin cluster subset divides with described target
Cut subset to connect, for face subimage, the brightness of its all pixels is added up and owns divided by it
The quantity of pixel is to obtain target colour of skin average；Described colour of skin grade identification subset carries with the described colour of skin
Take subset and described Compact Flash connects respectively, by equal with four kinds of colours of skin for described target colour of skin average
Value interval coupling, the colour of skin grade corresponding to colour of skin mean value interval of output matching is as the target colour of skin etc.
Level output.
Described tester includes: enzyme electrode sensor, including reference electrode, to pole electrode and work electricity
Three, pole electrode, working electrode is fixed with glucoseoxidase, wherein, and tested as tested personnel
When blood sample is dropped in the test zone of working electrode, glucoseoxidase fixing on working electrode and quilt
Survey in the glucose generation chemical reaction in blood sample, the response current on working electrode and tested blood sample
Concentration of glucose is linear.
Described tester includes: amplifying circuit, is connected with described enzyme electrode sensor, for receiving also
Amplify the response current on working electrode；Low pass filter, is connected with described amplifying circuit, is used for connecing
Receive and filter the radio-frequency component in response current；Light emitting diode, is arranged on tested personnel's finger fingertip
Blood capillary position, is connected with light source driving circuit, for the luminescence sent based on light source driving circuit
Control signal, alternate emission infrared light and HONGGUANG；Light source driving circuit, built-in timer, for
Described light emitting diode sends LED control signal.
Described tester includes: optical-electrical converter, is arranged on tested personnel's finger fingertip, is positioned at institute
State the relative position of light emitting diode, after receiving transmission tested personnel's finger fingertip blood capillary
Infrared light and HONGGUANG, and transmitted infrared light and transmission HONGGUANG are respectively converted into analog current signal, with
Obtain simulation infrared light electric current and simulation HONGGUANG electric current；Current-to-voltage converting circuit, turns with described photoelectricity
Parallel operation connects, for simulation infrared light electric current and simulation HONGGUANG electric current are carried out current/voltage respectively and turned
Change, to obtain simulation infrared light voltage and simulation red voltages respectively.
Described tester includes: signal amplifier, is connected with described current-to-voltage converting circuit, is used for
Simulation infrared light voltage and simulation red voltages are amplified respectively, amplify with acquisition simulation infrared light
Voltage and simulation HONGGUANG amplify voltage；Signal deteching circuit, is connected with described signal amplifier, including
Direct current signal detection electronic circuit and alternating current signal detection electronic circuit, be used for detecting in simulation infrared light voltage
Flip-flop and alternating component, to export as the first DC voltage and the first alternating voltage, also use
Flip-flop in detection simulation red voltages and alternating component, using as the second DC voltage and the
Two alternating voltage outputs；Analog-digital converter, is connected with described signal deteching circuit, for straight to first
Stream voltage, the first alternating voltage, the second DC voltage and the second alternating voltage carry out analog digital conversion respectively,
To obtain the first Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage
With the second Digital AC voltage.
Described tester includes: blood oxygen saturation computing circuit, is connected with described analog-digital converter, will
The ratio of the second Digital AC voltage and the second Digital DC voltage is divided by the first Digital AC
The ratio of voltage and the first Digital DC voltage is to obtain the absorbing light ratio factor, and based on absorbing light
The ratio factor calculates blood oxygen saturation, wherein, blood oxygen saturation and the linear pass of the absorbing light ratio factor
System.
Described tester includes: AVR32 chip, with described low pass filter and described Compact Flash
Connecting respectively, the blood glucose calculating tested personnel based on preset ratio coefficient and filtered response current is dense
Degree, wherein, preset ratio coefficient is to determine the response current on working electrode and the Portugal in tested blood sample
The ratio of linear relationship between grape sugar concentration；Described AVR32 chip also with blood oxygen saturation computing circuit
Connect to obtain blood oxygen saturation；Described AVR32 chip is when described blood sugar concentration is in the default blood glucose upper limit
During concentration, send blood sugar concentration too high identification signal, when described blood sugar concentration is dense at default blood glucose lower limit
When spending, send blood sugar concentration too low identification signal.
Wherein, described AVR32 chip is satisfied calculating the blood oxygen saturation obtained with described four kinds of blood oxygen
Mate with degree interval, by the blood oxygen saturation etc. corresponding to the blood oxygen saturation interval that the match is successful
Level is as target blood oxygen saturation grade.
Wherein, described AVR32 chip is by target colour of skin grade and default colour of skin multiplied by weight, by mesh
Mark blood oxygen saturation grade and default blood oxygen saturation multiplied by weight, two product addition are total to obtain
Trade-off value, when total trade-off value is less than or equal to when presetting balance lower threshold, sends hypoxemia identification letter
Number, when total trade-off value is more than or equal to when presetting balance upper limit threshold, send blood oxygen excess identification signal.
Alternatively, in described tester: self adaptation recursive filtering subset, medium filtering subset,
Change of scale enhancer equipment, Target Segmentation subset, colour of skin grade identification subset and skin cluster
Subset is respectively adopted different CPLD chips and realizes；Described tester also includes: radio communication
Interface, is connected with described AVR32 chip, for wireless transmission blood sugar concentration too high identification signal, blood
Sugar concentration too low identification signal, hypoxemia identification signal or blood oxygen excess identification signal；Described wireless
Communication interface is mobile communication equipment or Bluetooth communication equipment；Described mobile communication equipment is that GPRS moves
Dynamic communication equipment, 3G mobile communication equipment or 4G mobile communication equipment.
It addition, analog-digital converter i.e. A/D converter, or it is called for short ADC, it is common that refer to one by mould
Intend signal and be changed into the electronic component of digital signal.Common analog-digital converter is by an input voltage
Signal is converted to the digital signal of an output.Owing to digital signal itself does not have practical significance, only
Only represent a relative size.Therefore any one analog-digital converter is required for one with reference to analog quantity conduct
The standard of conversion, relatively common reference standard is maximum convertible signal magnitude.And the number exported
Word amount then represents the input signal size relative to reference signal.
The resolution of analog-digital converter refers to, for the analogue signal in allowed band, and its energy
The number of output discrete digital signal value.These signal values generally store with binary number, therefore divide
The conventional bit of resolution warp is as unit, and the number of these centrifugal pumps is the power exponent of 2.Such as, one
The individual analog-digital converter with 8 bit resolutions analogue signal can be encoded into 256 different
Centrifugal pump (because 2^8=256), from 0 to 255 (i.e. signless integers) or from-128 to 127
(i.e. signed integer), any as using, then depend on concrete application.
Use a kind of auto testing instrument being applied to intelligent electric meter production line of the present invention, for existing skill
The technology that in art, blood oxygen saturation detecting instrument structure falls behind, detection object is few and detection mechanism is single is asked
Topic, refer to high accuracy, targetedly image recognition apparatus and is identified the colour of skin of tested personnel,
And during being dissolved into the detection of blood oxygen saturation, meanwhile, add blood sugar test equipment and optimize existing
Detection structure, thus comprehensively improve blood oxygen saturation detecting instrument performance.
Although it is understood that the present invention discloses as above with preferred embodiment, but above-mentioned enforcement
Example is not limited to the present invention.For any those of ordinary skill in the art, without departing from
Under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above to the technology of the present invention
Scheme makes many possible variations and modification, or is revised as the Equivalent embodiments of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention is to above example
Any simple modification, equivalent variations and the modification done, all still falls within technical solution of the present invention protection
In the range of.
Claims (2)
1. being applied to an auto testing instrument for intelligent electric meter production line, described tester includes that CF deposits
Card storage, blee detection equipment, blood sugar test equipment, blood oxygen saturation detection equipment and AVR32
Chip, described Compact Flash has prestored four kinds of colour of skin mean value interval and four kinds of blood oxygen saturation districts
Between, described blood sugar test equipment is used for detecting the blood glucose level data of tested personnel, described AVR32
The testing result of described blee detection equipment and described blood oxygen saturation detection equipment is divided by chip
Do not mate with the content of described Compact Flash, with determine respectively tested personnel colour of skin grade and
Blood oxygen saturation grade.
Being applied to the auto testing instrument of intelligent electric meter production line the most as claimed in claim 1, it is special
Levying and be, described tester includes:
Compact Flash, has prestored preset ratio coefficient, has preset colour of skin weight, default blood oxygen saturation
Degree weight, default balance lower threshold, default balance upper limit threshold and face tonal range, described
Portion's tonal range is for by the human body face in image and background separation, and described Compact Flash is the most in advance
Store four kinds of colour of skin mean value interval and four kinds of blood oxygen saturation intervals, described four kinds of colour of skin mean value interval
The most corresponding four kinds of colour of skin grades, the most corresponding four kinds of blood oxygen saturations in described four kinds of blood oxygen saturation intervals
Degree grade；
Image capture device includes domed transparent cover, floor light subset and CMOS camera,
Described domed transparent cover is used for accommodating described floor light subset and described CMOS camera, institute
State the shooting that floor light subset is described CMOS camera and floor light, described CMOS are provided
Photographic head to tested personnel's face shots to obtain tested personnel's face-image；
Blee detection equipment includes self adaptation recursive filtering subset, medium filtering subset, chi
Degree conversion enhancer equipment, Target Segmentation subset, colour of skin grade identification subset and skin cluster
Equipment；Described self adaptation recursive filtering subset is connected with described CMOS camera, for described
Tested personnel's face-image uses self adaptation recursive filtering to process, to filter described tested personnel's face figure
Gaussian noise in Xiang, it is thus achieved that self adaptation recursive filtering image；Described medium filtering subset is with described
Self adaptation recursive filtering subset connects, for described self adaptation recursive filtering image performs intermediate value filter
Ripple processes, to filter the scattering composition in described self adaptation recursive filtering image, it is thus achieved that medium filtering figure
Picture；Described change of scale enhancer equipment is connected with described medium filtering subset, in described
Value filtering image performs change of scale enhancement process, to strengthen target and the contrast of background in image,
Obtain and strengthen image；Described Target Segmentation subset and described change of scale enhancer equipment and described CF
Storage card connects respectively, by grey scale pixel value in described enhancing image in described face tonal range
All pixels composition face subimage, described face subimage is from the back of the body of described tested personnel's face-image
Jing Chu separates acquisition；Described skin cluster subset is connected, for face with described Target Segmentation subset
Portion's subimage, by cumulative for the brightness of its all pixels and quantity divided by its all pixels to obtain target
Colour of skin average；Described colour of skin grade identification subset is deposited with described skin cluster subset and described CF
Card storage connects respectively, described target colour of skin average is mated with four kinds of colour of skin mean value interval, output matching
The colour of skin grade corresponding to colour of skin mean value interval as target colour of skin grade export；
Enzyme electrode sensor, including reference electrode, to pole electrode and three electrodes of working electrode, work
Glucoseoxidase it is fixed with, wherein, when the tested blood sample of tested personnel is dropped in work electricity on electrode
During the test zone of pole, glucoseoxidase fixing on working electrode and the glucose in tested blood sample
Chemical reaction occurs, and the response current on working electrode is with the concentration of glucose in tested blood sample linearly
Relation；
Amplifying circuit, is connected with described enzyme electrode sensor, for receiving and amplifying on working electrode
Response current；
Low pass filter, is connected with described amplifying circuit, for receiving and filter the height in response current
Frequently composition；
Light emitting diode, is arranged on tested personnel's finger fingertip blood capillary position, drives electricity with light source
Road connect, for based on light source driving circuit send LED control signal, alternate emission infrared light and
HONGGUANG；
Light source driving circuit, built-in timer, for sending light emitting control letter to described light emitting diode
Number；
Optical-electrical converter, is arranged on tested personnel's finger fingertip, is positioned at the phase of described light emitting diode
To position, it is used for the infrared light after receiving transmission tested personnel's finger fingertip blood capillary and HONGGUANG, and
Transmitted infrared light and transmission HONGGUANG are respectively converted into analog current signal, to obtain simulation infrared electro
Stream and simulation HONGGUANG electric current；
Current-to-voltage converting circuit, is connected with described optical-electrical converter, for simulation infrared light electric current
Current/voltage conversion is carried out respectively, to obtain simulation infrared light voltage and mould respectively with simulation HONGGUANG electric current
Intend red voltages；
Signal amplifier, is connected with described current-to-voltage converting circuit, for simulation infrared light voltage
It is amplified respectively with simulation red voltages, amplifies voltage with acquisition simulation infrared light and simulation HONGGUANG is put
Big voltage；
Signal deteching circuit, is connected with described signal amplifier, including direct current signal detection electronic circuit and
Alternating current signal detection electronic circuit, for detect simulation infrared light voltage in flip-flop with exchange into
Point, to export as the first DC voltage and the first alternating voltage, it is additionally operable to detection simulation red voltages
In flip-flop and alternating component, to export as the second DC voltage and the second alternating voltage；
Analog-digital converter, is connected with described signal deteching circuit, for the first DC voltage, first
Alternating voltage, the second DC voltage and the second alternating voltage carry out analog digital conversion respectively, to obtain first
Digital DC voltage, the first Digital AC voltage, the second Digital DC voltage and the second numeral
Change alternating voltage；
Blood oxygen saturation computing circuit, is connected with described analog-digital converter, by the second Digital AC electricity
The ratio of pressure and the second Digital DC voltage is divided by the first Digital AC voltage and the first digitized
The ratio of DC voltage is to obtain the absorbing light ratio factor, and calculates blood oxygen based on the absorbing light ratio factor
Saturation, wherein, blood oxygen saturation is linear with the absorbing light ratio factor；
AVR32 chip, is connected respectively with described low pass filter and described Compact Flash, based in advance
If proportionality coefficient and filtered response current calculate the blood sugar concentration of tested personnel, wherein, preset ratio
Example coefficient is the top-stitching determining the response current on working electrode with the concentration of glucose in tested blood sample
The ratio of sexual relationship；Described AVR32 chip is also connected with blood oxygen saturation computing circuit to obtain blood oxygen
Saturation；Described AVR32 chip, when described blood sugar concentration is at default blood glucose upper concentration, sends blood
Sugar excessive concentration identification signal, when described blood sugar concentration is at default blood glucose least concentration, sends blood glucose
Concentration too low identification signal；
Wherein, described AVR32 chip will calculate the blood oxygen saturation and described four kinds of blood oxygen saturations that obtain
Degree interval is mated, by the blood oxygen saturation grade corresponding to the blood oxygen saturation interval that the match is successful
As target blood oxygen saturation grade；
Wherein, described AVR32 chip is by target colour of skin grade and default colour of skin multiplied by weight, by target
Blood oxygen saturation grade and default blood oxygen saturation multiplied by weight, by two product addition to obtain total power
Weighing apparatus value, when total trade-off value is less than or equal to when presetting balance lower threshold, sends hypoxemia identification signal,
When total trade-off value is more than or equal to when presetting balance upper limit threshold, send blood oxygen excess identification signal；
Described tester also includes: wireless communication interface, is connected, for nothing with described AVR32 chip
Line sends blood sugar concentration too high identification signal, blood sugar concentration too low identification signal, hypoxemia identification letter
Number or blood oxygen excess identification signal；
Described wireless communication interface is mobile communication equipment or Bluetooth communication equipment.
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| CN201610316881.7A CN106019203A (en) | 2015-11-06 | 2015-11-06 | Automatic tester applied to smart electric meter production line |
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| CN201510753724.8A CN105425196B (en) | 2015-11-06 | 2015-11-06 | A kind of auto testing instrument being applied to intelligent electric meter production line |
| CN201610316881.7A CN106019203A (en) | 2015-11-06 | 2015-11-06 | Automatic tester applied to smart electric meter production line |
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| US6163715A (en) * | 1996-07-17 | 2000-12-19 | Criticare Systems, Inc. | Direct to digital oximeter and method for calculating oxygenation levels |
| US5910109A (en) * | 1997-02-20 | 1999-06-08 | Emerging Technology Systems, Llc | Non-invasive glucose measuring device and method for measuring blood glucose |
| CN102973253B (en) * | 2012-10-31 | 2015-04-29 | 北京大学 | Method and system for monitoring human physiological indexes by using visual information |
| CN103271743A (en) * | 2012-12-10 | 2013-09-04 | 中国人民解放军第一五二中心医院 | Non-contact oxyhemoglobin saturation measuring device based on imaging device |
| CN105353130A (en) * | 2015-11-06 | 2016-02-24 | 邢丽丽 | Automatic tester applied to intelligent electric meter production line |
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Application publication date: 20161012 |