CN110514715A - One kind being based on I2The blood index detection system of C communication - Google Patents
One kind being based on I2The blood index detection system of C communication Download PDFInfo
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- CN110514715A CN110514715A CN201910818013.2A CN201910818013A CN110514715A CN 110514715 A CN110514715 A CN 110514715A CN 201910818013 A CN201910818013 A CN 201910818013A CN 110514715 A CN110514715 A CN 110514715A
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- 238000001514 detection method Methods 0.000 title claims abstract description 50
- 239000008280 blood Substances 0.000 title claims abstract description 41
- 210000004369 blood Anatomy 0.000 title claims abstract description 41
- 238000004891 communication Methods 0.000 title claims abstract description 36
- 238000012360 testing method Methods 0.000 claims abstract description 371
- 230000005611 electricity Effects 0.000 claims abstract description 14
- 238000005534 hematocrit Methods 0.000 claims abstract description 8
- 238000012937 correction Methods 0.000 claims description 41
- 238000005259 measurement Methods 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 19
- 239000000758 substrate Substances 0.000 claims description 15
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 241000237983 Trochidae Species 0.000 claims description 9
- 238000013095 identification testing Methods 0.000 claims description 8
- HVYWMOMLDIMFJA-DPAQBDIFSA-N cholesterol Chemical compound C1C=C2C[C@@H](O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2 HVYWMOMLDIMFJA-DPAQBDIFSA-N 0.000 claims description 6
- 230000005059 dormancy Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical group N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 claims description 4
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 150000002576 ketones Chemical class 0.000 claims description 4
- 239000004973 liquid crystal related substance Substances 0.000 claims description 4
- 238000004088 simulation Methods 0.000 claims description 4
- 229940116269 uric acid Drugs 0.000 claims description 4
- 230000000740 bleeding effect Effects 0.000 claims description 3
- 235000012000 cholesterol Nutrition 0.000 claims description 3
- 238000002847 impedance measurement Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000835 electrochemical detection Methods 0.000 abstract description 4
- 238000006479 redox reaction Methods 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001727 in vivo Methods 0.000 description 2
- 230000002468 redox effect Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000003411 electrode reaction Methods 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 229910001412 inorganic anion Inorganic materials 0.000 description 1
- 229910001411 inorganic cation Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- -1 nitro, amino organic compound Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/327—Biochemical electrodes, e.g. electrical or mechanical details for in vitro measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/416—Systems
- G01N27/48—Systems using polarography, i.e. measuring changes in current under a slowly-varying voltage
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Molecular Biology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
It is provided by the invention a kind of based on I2The blood index detection system of C communication, including power supply, test paper connector, host computer, alarm module, the power supply and test paper connector, host computer, alarm module is separately connected, test paper connector output end is connect with host computer input terminal, host computer output end is connect with alarm module, this system solves conventional portable Electrochemical Detection instrument and is needed when carrying out many index detection using more detection devices, multinomial blood Indexs measure can be completed using a test paper detection device in this system, it solves the problems, such as to be influenced when detection since the electricity size that redox reaction generates is easy hematocrit in by blood simultaneously, improve the accuracy of testing result, this system is integrally improved and high reliablity.
Description
Technical field
The present invention relates to one kind to be based on I2The blood index detection system of C communication.
Background technique
The invention belongs to field of electrochemical detection, are to be related to a kind of high-accuracy portable electrochemistry four-in-one concretely
Detection system, electrochemical detector are the change in electric of measurement of species, and electrochemical detector is that the electric signal of measurement of species becomes
Change, to the compound with redox property, such as containing substances such as nitro, amino organic compound and Inorganic Anion and Cations
Electrochemical detector can be used.Including polarogram, coulomb, ampere and electric conductivity detector etc..First three is referred to as Erbium, uses
In the detection of the compound with redox property, electric conductivity detector is mainly used for ion detection.Its working principle is that: two
Apply a constant potential between electrode, redox reaction (electrode reaction) occur when electroactive component passes through electrode surface,
The size of electricity (Q) meets Faraday's law.
Existing domestic portable Electrochemical Detection instrument common on the market generally only has single-measurement function, such as only
The single indexs such as blood glucose, blood lipid, uric acid, blood ketone can be detected, carry out generally requiring to buy different detections when many indexes detection
Equipment, corresponding test paper of arranging in pairs or groups could detect.
Summary of the invention
In order to solve the above technical problems, the present invention provides one kind to be based on I2The blood index detection system of C communication.
The present invention is achieved by the following technical programs.
It is provided by the invention a kind of based on I2The blood index detection system of C communication, including it is power supply, test paper connector, upper
Machine, alarm module, the power supply are separately connected with test paper connector, host computer, alarm module, test paper connector output end with it is upper
Position machine input terminal connection, host computer output end are connect with alarm module.
The test paper connector includes main body, top shell, stitch is several, sliding slot baffle is several, and the main body is divided into slotting
Notch, test paper seat, attachment base, slot mouth and attachment base are connected to the both ends of test paper seat, and test paper seat two sides are respectively provided with one
Snap device, top shell are mounted at the top of test paper seat by snap device, and window, stitch, sliding slot gear are provided in top shell
Plate is mounted on test paper seat bottom, and stitch passes through attachment base, the input terminal connection of stitch and host computer.
The host computer includes micro treatment module, display module, alarm module, communication module A, and the micro treatment module connects
The signal that the transmitting of test paper connector stitch comes is received, signal is transferred to display module, alarm module respectively by treated.
The microprocessor includes AFE(analog front end) measuring circuit, controller module, clock circuit, data memory module, leads to
Believe that module B, front end measurement circuit, clock circuit are connect with controller module input terminal respectively, controller module output end and number
It is separately connected according to memory module, communication module B.
Described one kind is based on I2The blood index detection system of C communication, comprising the following steps:
S1, system starting；
S2, initial parameter setting；
S3, system identification test paper type and correction；
S4, system read test paper and correspond to measurement parameter；
S5, start to measure；
S6, measurement terminate.
Before test paper is inserted into test paper connector plugging slot in the step S1, system is in low-power consumption standby state, by test paper
Or after correction card insertion test paper connector plugging slot, test paper electrode of substrate or correction card electrode are by No. 6 stitch of test paper connector and examination
No. 1 pin-strapping of paper connector is pulled to low level after system detection to No. 6 stitch of test paper connector；
Initial parameter setting is the setting of stitch level in the step S2, in which: No. 2 stitch of test paper connector, test paper connect
Connect No. 3 stitch of device, No. 5 stitch level of test paper connector are 1, No. 4 stitch level of test paper connector be 0.
With No. 2 stitch of test paper connector to No. 5 stitch of test paper connector when system identification test paper type in the step S3
As common I/O interface, system identification test paper type method and bearing calibration are as follows:
S3.1, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, test paper connector 2
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 0, No. 3 stitch level of test paper connector be 1, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is total cholesterol test paper；
S3.2, test paper No. 3 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, test paper connector 3
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 1, No. 3 stitch level of test paper connector be 0, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is blood sugar test paper；
S3.3, test paper No. 4 stitch of electrode of substrate short circuit test paper connector and No. 5 stitch of test paper connector, test paper connector 5
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 1, No. 3 stitch level of test paper connector be 1, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 0, then system identification to test paper at this time is blood ketone test paper；
S3.4, when system judges that test paper connector is not belonging to type described in S4.1, S4.2, S4.3, adjust stitch at this time
Level setting, No. 2 stitch level of test paper connector are 1, and No. 3 stitch level of test paper connector are 0, No. 4 stitch of test paper connector
Level is 1, and No. 5 stitch level of test paper connector are 1；
S3.5, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 3 stitch of test paper connector, test paper connector 2
Number stitch high level can be dragged down by the low level of No. 3 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 0, No. 3 stitch level of test paper connector be 0, No. 4 needles of test paper connector
Foot level is 1, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is uric acid test paper；
S3.6, when system identification to insertion test paper connector mouth test paper do not meet situation described in S4.1~S4.5 when, then
Open correction card identification, correction card identification step are as follows:
After S3.6.1, correction card insertion test paper connector, 1 to No. 6 pin of correction card is correspondingly connected with the 1 of test paper connector
To No. 6 stitch, No. 1 stitch of test paper connector together with 6 pin-strapping of test paper connector, is waken up system by correction card；
No. 2 S3.6.2, test paper connector stitch setting level are 1, and No. 5 stitch setting level of test paper connector are 0, test paper
No. 5 stitch composition power supplys of No. 2 stitch of connector and test paper connector are that chip is powered in correction card；No. 3 stitch of test paper connector
For SCL, No. 4 stitch of test paper connector are SDA, and No. 4 stitch of No. 3 stitch of test paper connector and test paper connector are as simulation I2C
Communication port first sends identification code, carries out correction data transmission after correct identification, otherwise system reports an error；After data are transmitted,
Correction card is extracted, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector are no longer shorted together by correction card top electrode,
No. 6 stitch of test paper connector become high level again by low level, and it is standby that system enters the progress of Low-power-consumptiodormancy dormancy state immediately；
During the step S4, system, which is transferred, is currently inserted into setting parameter corresponding to test paper connector in reservoir,
Pressurization voltage, pressing time including current test paper connector.
The step S5 include it is following step by step:
S5.1, triggering of bleeding；
S5.2, impedance measurement；
S5.3, current measurement；
S5.4, as the result is shown；
System is pressurizeed needed for adjusting No. 5 stitch output voltages to current type test paper connector according to test paper connector type
Voltage value and pressurization duration, after blood to be detected instills test paper connector reaction cavity, system starts countdown, detection system
It unites in the standing duration that blood instills reaction cavity triggering measurement completely and reaction cavity does not start pressurization, by test paper connector
No. 2 stitch measure the intracorporal impedance of test paper connector reaction chamber, obtain the hematocrit of current tested blood sample, wait reaction chamber
Start to pressurize in vivo, then by the size of current on No. 5 stitch acquisition electrodes of test paper connector, collected current value is detection electricity
Flow valuve matches corresponding correction coefficient at this time by the impedance measured, corrects the detection electric current influenced by hematocrit
Value, finally exports measurement result；The output result includes two ways, another one is being shown by liquid crystal display
Kind is exported by communication serial port to third party's receiving device；
In the step S6 extract test paper connector, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector no longer by
Electrode on test paper is shorted together, and No. 6 stitch of test paper connector become high level again by low level, and system enters low-power consumption immediately
Dormant state carries out standby.
The test paper connector includes 6 stitch, test paper reaction cavity, and No. 1 stitch of the test paper connector is grounding lead
Foot；No. 2 stitch of test paper connector are AFE(analog front end) A；No. 3 stitch of test paper connector are I2C communicates SCL pin；Test paper connector 4
Number stitch is I2C communicates SDA pin；No. 5 stitch of test paper connector are AFE(analog front end) E；No. 6 stitch of test paper connector are that booting is known
Other pin.
The beneficial effects of the present invention are: this system solves conventional portable Electrochemical Detection instrument and is carrying out multinomial finger
It is needed when mark detection using more detection devices, this system can be completed multinomial blood index using a test paper detection device and examine
Since the electricity size that redox reaction generates is easy what hematocrit in by blood was influenced when surveying, while solving detection
Problem improves the accuracy of testing result, and this system is integrally improved and high reliablity.
Detailed description of the invention
Fig. 1 is system component relationship figure of the invention；
Fig. 2 is the principle of the present invention flow chart；
Fig. 3 is test paper connector construction schematic diagram of the invention；
In figure: 1-1 stitch, 2-2 stitch, 3-3 stitch, 4-4 stitch, 5-5 stitch.
Specific embodiment
Be described further below technical solution of the present invention, but claimed range be not limited to it is described.
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
One kind as shown in Figure 1 is based on I2The blood index detection system of C communication, including it is power supply, test paper connector, upper
Machine, alarm module, the power supply are separately connected with test paper connector, host computer, alarm module, test paper connector output end with it is upper
Position machine input terminal connection, host computer output end are connect with alarm module.
Test paper connector includes main body, top shell, stitch is several, sliding slot baffle is several, the main body be divided into slot mouth,
Test paper seat, attachment base, slot mouth and attachment base are connected to the both ends of test paper seat, and test paper seat two sides are respectively provided with a fastening machine
Structure, top shell are mounted at the top of test paper seat by snap device, and window, stitch, the installation of sliding slot baffle are provided in top shell
On test paper seat bottom, and stitch passes through attachment base, the input terminal connection of stitch and host computer, and test paper connector mainly transmits
Test paper end signal is transmitted to microprocessor module by test paper connector by the effect of information, and microprocessor is to letter collected
Number carry out analysis and arrangement output.
Host computer includes micro treatment module, display module, alarm module, communication module A, and the micro treatment module receives examination
The signal that the transmitting of paper connector stitch comes, by treated, signal is transferred to display module, alarm module respectively, wherein showing mould
The implementation of block includes that liquid crystal display, numeral method, mobile phone terminal such as show at the modes；Alarm module implementation includes sound
The modes such as alarm or light warning；Communication module includes bluetooth, WiFi, GPRS, NBIoT, wired serial ports etc..
Microprocessor includes AFE(analog front end) measuring circuit, controller module, clock circuit, data memory module, communication mould
Block B, front end measurement circuit, clock circuit are connect with controller module input terminal respectively, and controller module output end is deposited with data
Storage module, communication module B are separately connected.
One kind being based on I2The blood index detection system of C communication, comprising the following steps:
S1, system starting；
S2, initial parameter setting；
S3, system identification test paper type and correction；
S4, system read test paper and correspond to measurement parameter；
S5, start to measure；
S6, measurement terminate.
Before test paper is inserted into test paper connector plugging slot in step S1, system is in low-power consumption standby state, by test paper or school
After positive card insertion enters test paper connector plugging slot, test paper electrode of substrate or correction card electrode connect No. 6 stitch of test paper connector and test paper
No. 1 pin-strapping of device is connect, is pulled to low level after system detection to No. 6 stitch of test paper connector；
Initial parameter setting is the setting of stitch level in step S2, in which: No. 2 stitch of test paper connector, test paper connector 3
No. 5 number stitch, test paper connector stitch level are 1, and No. 4 stitch level of test paper connector are 0.
Used when system identification test paper type in step S3 No. 2 stitch of test paper connector to No. 5 stitch of test paper connector as
Common I/O interface, system identification test paper type method and bearing calibration are as follows:
S3.1, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, test paper connector 2
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 0, No. 3 stitch level of test paper connector be 1, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is total cholesterol test paper；
S3.2, test paper No. 3 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, test paper connector 3
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 1, No. 3 stitch level of test paper connector be 0, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is blood sugar test paper；
S3.3, test paper No. 4 stitch of electrode of substrate short circuit test paper connector and No. 5 stitch of test paper connector, test paper connector 5
Number stitch high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 1, No. 3 stitch level of test paper connector be 1, No. 4 needles of test paper connector
Foot level is 0, and No. 5 stitch level of test paper connector are 0, then system identification to test paper at this time is blood ketone test paper；
S3.4, when system judges that test paper connector is not belonging to type described in S4.1, S4.2, S4.3, adjust stitch at this time
Level setting, No. 2 stitch level of test paper connector are 1, and No. 3 stitch level of test paper connector are 0, No. 4 stitch of test paper connector
Level is 1, and No. 5 stitch level of test paper connector are 1；
S3.5, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 3 stitch of test paper connector, test paper connector 2
Number stitch high level can be dragged down by the low level of No. 3 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch
Level, if No. 2 stitch level of test paper connector be 0, No. 3 stitch level of test paper connector be 0, No. 4 needles of test paper connector
Foot level is 1, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is uric acid test paper；
S3.6, when system identification to insertion test paper connector mouth test paper do not meet situation described in S4.1~S4.5 when, then
Open correction card identification, correction card identification step are as follows:
After S3.6.1, correction card insertion test paper connector, 1 to No. 6 pin of correction card is correspondingly connected with the 1 of test paper connector
To No. 6 stitch, No. 1 stitch of test paper connector together with 6 pin-strapping of test paper connector, is waken up system by correction card；
No. 2 S3.6.2, test paper connector stitch setting level are 1, and No. 5 stitch setting level of test paper connector are 0, test paper
No. 5 stitch composition power supplys of No. 2 stitch of connector and test paper connector are that chip is powered in correction card；No. 3 stitch of test paper connector
For SCL, No. 4 stitch of test paper connector are SDA, and No. 4 stitch of No. 3 stitch of test paper connector and test paper connector are as simulation I2C
Communication port first sends identification code, carries out correction data transmission after correct identification, otherwise system reports an error；After data are transmitted,
Correction card is extracted, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector are no longer shorted together by correction card top electrode,
No. 6 stitch of test paper connector become high level again by low level, and it is standby that system enters the progress of Low-power-consumptiodormancy dormancy state immediately；
During step S4, system is transferred and is currently inserted into setting parameter corresponding to test paper connector in reservoir, including
The pressurization voltage of current test paper connector, pressing time.
Step S5 include it is following step by step:
S5.1, triggering of bleeding；
S5.2, impedance measurement；
S5.3, current measurement；
S5.4, as the result is shown；
System is pressurizeed needed for adjusting No. 5 stitch output voltages to current type test paper connector according to test paper connector type
Voltage value and pressurization duration, after blood to be detected instills test paper connector reaction cavity, system starts countdown, detection system
It unites in the standing duration that blood instills reaction cavity triggering measurement completely and reaction cavity does not start pressurization, by test paper connector
No. 2 stitch measure the intracorporal impedance of test paper connector reaction chamber, obtain the hematocrit of current tested blood sample, wait reaction chamber
Start to pressurize in vivo, then by the size of current on No. 5 stitch acquisition electrodes of test paper connector, collected current value is detection electricity
Flow valuve matches corresponding correction coefficient at this time by the impedance measured, corrects the detection electric current influenced by hematocrit
Value, finally exports measurement result；The output result includes two ways, another one is being shown by liquid crystal display
Kind is exported by communication serial port to third party's receiving device；
Test paper connector is extracted in step S6, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector are no longer by test paper
On electrode be shorted together, No. 6 stitch of test paper connector become high level again by low level, and system enters Low-power-consumptiodormancy dormancy immediately
State carries out standby.
Test paper connector includes 6 stitch, test paper reaction cavity, and No. 1 stitch of the test paper connector is grounding pin；Examination
No. 2 stitch of paper connector are AFE(analog front end) A；No. 3 stitch of test paper connector are I2C communicates SCL pin；No. 4 needles of test paper connector
Foot is I2C communicates SDA pin；No. 5 stitch of test paper connector are AFE(analog front end) E；No. 6 stitch of test paper connector are that booting identification is drawn
Foot.
After test paper is inserted into slot, test paper electrode can take the lead in short-circuit stitch 1 and stitch 6, and detection system recognizes 6 signal of stitch
It is pulled low, detection system wakes up from low power consumpting state, prepares measurement.4 measuring electrodes point after test paper is fully inserted into, on test paper
It is not contacted with 2~stitch of stitch 5, opens test paper category identification at this time, form different conducting figures by 4 electrodes on test paper
Case, detection system can be pulled low by recognizing same leg signal, so that judgement is currently inserted into the type of test paper.Test paper drop
Blood starts to measure, and it is anti-that measuring system applies corresponding current test paper between connection test paper working electrode and two stitch to electrode
Required voltage is answered, pressing time has nothing in common with each other according to variety classes test paper.Before simulation by 5 connecting detection system of stitch
End, measurement obtain the electric current that current test paper reaction generates, complete measurement；
After calibration card is inserted into slot, calibration card electrode can take the lead in short-circuit stitch 1 and stitch 6, and detection system recognizes stitch 6
Signal is pulled low, and detection system wakes up from low power consumpting state.Whether what detection system can preferentially judge insertion is test paper, if sentenced
Disconnected is not test paper, then enters I2C communication pattern forms stable potential difference between stitch 2 and stitch 5, power for correction card.Needle
Foot 3 and stitch 4 are modeled as I2SCL the and SDA pin and correction card inside chip of C communication are communicated.Communication starts preceding progress
Verification, verification pass through, then start the transmission of correction data；Do not pass through, then system reports an error.
Claims (9)
1. one kind is based on I2The blood index detection system of C communication, it is characterised in that: including power supply, test paper connector, host computer, report
Alert module, the power supply are separately connected with test paper connector, host computer, alarm module, test paper connector output end and host computer
Input terminal connection, host computer output end are connect with alarm module.
2. as described in claim 1 a kind of based on I2The blood index detection system of C communication, it is characterised in that: the test paper connection
Device includes main body, top shell, stitch is several, sliding slot baffle is several, and the main body is divided into slot mouth, test paper seat, attachment base, is inserted
Notch and attachment base are connected to the both ends of test paper seat, and test paper seat two sides are respectively provided with a snap device, and top shell passes through
Snap device is mounted at the top of test paper seat, is provided with window in top shell, and stitch, sliding slot baffle are mounted on test paper seat bottom,
And stitch passes through attachment base, the input terminal connection of stitch and host computer.
3. as described in claim 1 a kind of based on I2The blood index detection system of C communication, it is characterised in that: the host computer packet
Micro treatment module, display module, alarm module, communication module A are included, the micro treatment module receives the transmitting of test paper connector stitch
The signal come, by treated, signal is transferred to display module, alarm module respectively.
4. as claimed in claim 3 a kind of based on I2The blood index detection system of C communication, it is characterised in that: the microprocessor
Including AFE(analog front end) measuring circuit, controller module, clock circuit, data memory module, communication module B, front end measurement circuit,
Clock circuit is connect with controller module input terminal respectively, controller module output end and data memory module, communication module B point
It does not connect.
5. as described in claim 1 a kind of based on I2The blood index detection system of C communication, it is characterised in that the following steps are included:
S1, system starting；
S2, initial parameter setting；
S3, system identification test paper type and correction；
S4, system read test paper and correspond to measurement parameter；
S5, start to measure；
S6, measurement terminate.
6. as claimed in claim 5 a kind of based on I2The blood index detection system of C communication, it is characterised in that: in the step S1
Before test paper is inserted into test paper connector plugging slot, system is in low-power consumption standby state, by test paper or correction card insertion test paper connection
After device slot, test paper electrode of substrate or correction card electrode by No. 1 pin-strapping of No. 6 stitch of test paper connector and test paper connector,
Low level is pulled to after system detection to No. 6 stitch of test paper connector；
Initial parameter setting is the setting of stitch level in the step S2, in which: No. 2 stitch of test paper connector, test paper connector 3
No. 5 number stitch, test paper connector stitch level are 1, and No. 4 stitch level of test paper connector are 0.
7. as claimed in claim 5 a kind of based on I2The blood index detection system of C communication, it is characterised in that: in the step S3
Use No. 2 stitch of test paper connector to No. 5 stitch of test paper connector as common I/O interface, system when system identification test paper type
Identify that test paper type method and bearing calibration are as follows:
S3.1, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, No. 2 needles of test paper connector
Foot high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch electricity
Flat, if No. 2 stitch level of test paper connector are 0, No. 3 stitch level of test paper connector are 1, No. 4 stitch electricity of test paper connector
Putting down is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is total cholesterol test paper；
S3.2, test paper No. 3 stitch of electrode of substrate short circuit test paper connector and No. 4 stitch of test paper connector, No. 3 needles of test paper connector
Foot high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch electricity
Flat, if No. 2 stitch level of test paper connector are 1, No. 3 stitch level of test paper connector are 0, No. 4 stitch electricity of test paper connector
Putting down is 0, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is blood sugar test paper；
S3.3, test paper No. 4 stitch of electrode of substrate short circuit test paper connector and No. 5 stitch of test paper connector, No. 5 needles of test paper connector
Foot high level can be dragged down by the low level of No. 4 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch electricity
Flat, if No. 2 stitch level of test paper connector are 1, No. 3 stitch level of test paper connector are 1, No. 4 stitch electricity of test paper connector
Putting down is 0, and No. 5 stitch level of test paper connector are 0, then system identification to test paper at this time is blood ketone test paper；
S3.4, when system judges that test paper connector is not belonging to type described in S4.1, S4.2, S4.3, at this time adjust stitch level
Setting, No. 2 stitch level of test paper connector are 1, and No. 3 stitch level of test paper connector are 0, No. 4 stitch level of test paper connector
It is 1, No. 5 stitch level of test paper connector are 1；
S3.5, test paper No. 2 stitch of electrode of substrate short circuit test paper connector and No. 3 stitch of test paper connector, No. 2 needles of test paper connector
Foot high level can be dragged down by the low level of No. 3 stitch of test paper connector, at this time 2 stitch of Test paper connector~5 stitch electricity
Flat, if No. 2 stitch level of test paper connector are 0, No. 3 stitch level of test paper connector are 0, No. 4 stitch electricity of test paper connector
Putting down is 1, and No. 5 stitch level of test paper connector are 1, then system identification to test paper at this time is uric acid test paper；
S3.6, when system identification to insertion test paper connector mouth test paper do not meet situation described in S4.1~S4.5 when, then open
Correction card identification, correction card identification step are as follows:
After S3.6.1, correction card insertion test paper connector, 1 to No. 6 pin of correction card is correspondingly connected with the 1 to 6 of test paper connector
No. 1 stitch of test paper connector together with 6 pin-strapping of test paper connector, is waken up system by number stitch, correction card；
No. 2 S3.6.2, test paper connector stitch setting level are 1, and No. 5 stitch setting level of test paper connector are 0, test paper connection
No. 5 stitch composition power supplys of No. 2 stitch of device and test paper connector are that chip is powered in correction card；No. 3 stitch of test paper connector are
SCL, No. 4 stitch of test paper connector are SDA, and No. 4 stitch of No. 3 stitch of test paper connector and test paper connector are as simulation I2C is logical
Believe port, first send identification code, carries out correction data transmission after correct identification, otherwise system reports an error；After data are transmitted, pull out
Correction card out, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector are no longer shorted together by correction card top electrode, examination
No. 6 stitch of paper connector become high level again by low level, and it is standby that system enters the progress of Low-power-consumptiodormancy dormancy state immediately；
During the step S4, system is transferred and is currently inserted into setting parameter corresponding to test paper connector in reservoir, including
The pressurization voltage of current test paper connector, pressing time.
8. as claimed in claim 5 a kind of based on I2The blood index detection system of C communication, it is characterised in that: the step S5 packet
Include it is following step by step:
S5.1, triggering of bleeding；
S5.2, impedance measurement；
S5.3, current measurement；
S5.4, as the result is shown；
The electricity of pressurization needed for system adjusts No. 5 stitch output voltages to current type test paper connector according to test paper connector type
Pressure value and pressurization duration, after blood to be detected instills test paper connector reaction cavity, system starts countdown, and detection system exists
Blood instills reaction cavity triggering measurement completely and reaction cavity does not start in the standing duration of pressurization, by test paper connector 2
Stitch measures the intracorporal impedance of test paper connector reaction chamber, obtains the hematocrit of current tested blood sample, waits reaction cavity
Inside start to pressurize, then by the size of current on No. 5 stitch acquisition electrodes of test paper connector, collected current value is detection electric current
Value matches corresponding correction coefficient at this time by the impedance measured, corrects the detection current value influenced by hematocrit,
Finally measurement result is exported；The output result includes two ways, and one is being shown by liquid crystal display, another kind is
It is exported by communication serial port to third party's receiving device；
Test paper connector is extracted in the step S6, No. 6 stitch of No. 1 stitch of test paper connector and test paper connector are no longer by test paper
On electrode be shorted together, No. 6 stitch of test paper connector become high level again by low level, and system enters Low-power-consumptiodormancy dormancy immediately
State carries out standby.
9. as claimed in claim 5 a kind of based on I2The blood index detection system of C communication, it is characterised in that: the test paper connection
Device includes 6 stitch, test paper reaction cavity, and No. 1 stitch of the test paper connector is grounding pin；No. 2 stitch of test paper connector
For AFE(analog front end) A；No. 3 stitch of test paper connector are I2C communicates SCL pin；No. 4 stitch of test paper connector are I2C communication SDA draws
Foot；No. 5 stitch of test paper connector are AFE(analog front end) E；No. 6 stitch of test paper connector are booting identification pin.
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