CN110174587A - A kind of blood glucose meter is used to detect the starting-up method and system of strip - Google Patents
A kind of blood glucose meter is used to detect the starting-up method and system of strip Download PDFInfo
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- CN110174587A CN110174587A CN201910449226.2A CN201910449226A CN110174587A CN 110174587 A CN110174587 A CN 110174587A CN 201910449226 A CN201910449226 A CN 201910449226A CN 110174587 A CN110174587 A CN 110174587A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
Abstract
The invention discloses starting-up methods and system that a kind of blood glucose meter is used to detect strip, and described method includes following steps: step S1, persistently detect the level for the I/O port that MCU is connect with strip socket；The current level state of the I/O port is compared by step S2 with its previous moment state, and compared result is recorded respectively；Step S3, record result is judged, judge whether strip is inserted into according to different record results, when judging strip insertion, trigger blood glucose meter booting, the present invention is detected and is judged by the high and low level to I/O port, realizes the purpose of the insertion to blood glucose meter strip accurately detected, and improves the accuracy of blood glucose meter booting.
Description
Technical field
The present invention relates to blood glucose meter booting detection technique fields, more particularly to a kind of opening for blood glucose meter detection strip
Machine method and system.
Background technique
Fig. 1 is the main circuit structure diagram of blood glucose meter comprising main control microprocessor (MCU) and its peripheral circuit 10, electricity
Source circuit 20, man-machine interface 30, three electrode detection circuits 40, current measurement circuit 50, strip socket 60, strip detection circuit 70
And strip 80.Wherein main control microprocessor (MCU) and its peripheral circuit 10, it is electric for current measurement after detecting strip insertion
The analog signal that road 50 exports is converted to digital signal, is shown in man-machine interface after calculation process；Power circuit 20
For battery and voltage stable circuit, for the lower voltage of battery to be converted to the voltage of each circuit work of suitable blood glucose meter；
Man-machine interface 30 includes keyboard circuit and display circuit, for receiving the instruction of user's input and giving operating status and result
With display；Three electrode detection circuits 40 be micro-current buffer and amplifying circuit, when for will test strip export micro-current into
Row buffering amplification；Current measurement circuit 50, the current signal for exporting three electrode detection circuits 40 are converted to analog voltage
And it is connected to the analog-to-digital conversion interface of main control microprocessor (MCU)；Strip socket 60 is to accommodate examination comprising 5 output contacts
Item insertion flat cavity, for strip be inserted into and passes through the first output line W1, the second output line W2, strip test side TR, instead
Feeder line RE and be connected to blood glucose meter circuit；Strip detection circuit 70 is dispelled capacitor (not shown) by resistance R3 and burr and is formed,
For changing the level of strip test side TR by the strip conductor of special designing when strip is inserted into；Strip 80 is special designing
Blood supporting body comprising 4 conductor P1~P4, for examining blood and the micro-current of enzyme reaction generation by being transmitted to three electrodes
Slowdown monitoring circuit 40, and assist completing strip insertion detection.
In the prior art, in the process of blood sugar test, test strip for blood-sugar is usually inserted into blood glucose meter to (strip is inserted
Mouthful 60),
Fig. 2 is the schematic diagram of the main control microprocessor (MCU) of blood glucose meter, and Fig. 3 is strip socket 60 and strip detection circuit
70 schematic diagram, blood glucose meter booting is judged by judging the level of the I/O port of MCU (Fig. 2) (PB5), the I/O port of MCU
(PB5) it is connect by PB5_DETECT with the strip mouth in Fig. 3.When being not inserted into test strip for blood-sugar, as shown in figure 3,
The level of PB5_DETECT is 3V level, so MCU detection I/O port level is high level, when test strip for blood-sugar insertion,
Strip interface 3 and 4 just links together, and the level of PB5_DETECT is GND level, so the level of MCU detection I/O port is low
Level, after the MCU of blood glucose meter detects strip according to the level (low level) of I/O port, blood glucose meter is switched on and enters test circle
Face prompts user to suck blood sample, and after blood sample is added to test-strips by user, blood glucose meter will automatically begin to test, completion to be tested
After show test result.
However, the scene of general blood glucose meter application is more complicated, the scene that may be used has strong electromagnetic, it is also possible to
The not agile people of hand uses.Therefore, blood glucose meter detection strip start process in, these in special circumstances, can exist it is following lack
It falls into:
1, blood glucose meter has been already inserted into blood glucose strip, detection strip failure, and instrument is not switched on；
2, instrument is not inserted into blood glucose strip, blood glucose meter Auto Power On.
To sum up, detection strip booting mistake can bring very bad experience to user, therefore just need a kind of reliable
Stabilization mode can accurate detection test strip for blood-sugar whether be inserted into blood glucose meter, in accurately detecting test strip for blood-sugar
Start blood glucose meter booting after insertion.
Summary of the invention
In order to overcome the deficiencies of the above existing technologies, purpose of the present invention is to provide a kind of blood glucose meters for detecting examination
The starting-up method and system of item are all detected and are judged by the high and low level to I/O port, realized to blood glucose meter strip
The purpose of insertion accurately detected improves the accuracy of blood glucose meter booting.
In view of the above and other objects, the present invention proposes that a kind of blood glucose meter is used to detect the starting-up method of strip, including such as
Lower step:
Step S1 persistently detects the level for the I/O port that MCU is connect with strip socket；
The current level state of the I/O port is compared by step S2 with its previous moment state, compared result difference
It is recorded；
Step S3 judges record result, judges whether strip is inserted into according to different record results, in judging
When strip is inserted into, triggering blood glucose meter booting.
Preferably, identical as previous level state to the current level state of the lasting I/O port respectively in step S2
And all be low level and the I/O port current level state it is identical as previous level state and be all the comparison result of high level
It is recorded.
Preferably, in step S3, when according to record result judge the I/O port level state be continuously in it is low level
When recording number more than preset value, then judges that blood glucose strip is inserted into, trigger blood glucose meter normal boot-strap；When according to record result judgement
When the record number that the level state of the I/O port is continuously in high level is more than preset value, then judge that blood glucose strip is not inserted into,
Blood glucose meter is not switched on.
Preferably, in low level before and after within a preset time, judging the level state of the I/O port according to record result
Record number and front and back when being in the record number of high level and being less than preset value, then judge that mistake occurs in strip insertion,
And give corresponding prompt.
Preferably, in step S2, comparison result is recorded using two variable M/N, if the current level shape of the I/O port
State is identical as previous level state and is all low level, then enables variable M+1；If the current level state of the I/O port and previous level
State is identical and is all high level, then enables variable N+1；If the I/O port current level state is different from previous level state, enable
Variable N=M=0.
Preferably, in step S3, when the current level state for recording the I/O port is identical as previous level state and is all
When low level variable M is added to always preset threshold, judge that blood glucose strip is inserted into, triggers blood glucose meter normal boot-strap, detection knot
Beam；When current level state that record records the I/O port is identical as previous level state and all adds up always for the variable N of high level
When to preset threshold, judge that blood glucose strip is not inserted into, blood glucose meter terminates without booting, epicycle detection.
Preferably, in step S3, when within a preset time, variable M, the N value of record is all not above corresponding default
Threshold value then judges that mistake occurs in strip insertion at this time, gives miscue, and repeat level detection and deterministic process always.
In order to achieve the above objectives, the present invention also provides the boot systems that a kind of blood glucose meter is used to detect strip, comprising:
Level detection unit, for persistently detecting the level for the I/O port that MCU is connect with strip socket；
Level compares counting unit, for the current level state of the I/O port to be compared with its previous state, compares
Relatively result is recorded respectively；
Record result judges processing unit, for judging record result, judges examination according to different record results
Whether item is inserted into, when judging strip insertion, triggering blood glucose meter booting.
Preferably, the level compares counting unit using two variable M/N to record comparison result, if the I/O port is worked as
Preceding level state is identical as previous level state and is all low level, then enables variable M+1；If the current level state of the I/O port with
Previous level state is identical and is all high level, then enables variable N+1；If the I/O port current level state and previous level state are not
Together, then variable N=M=0 is enabled.
Preferably, the record result judge processing unit according to record result judge the level state of the I/O port always
When being more than preset threshold in low level record number, judges that blood glucose strip is inserted into, trigger blood glucose meter normal boot-strap；The note
Record result judge processing unit according to record result judge that the level state of the I/O port is constantly in the record number of high level
When more than preset threshold, judge that blood glucose strip is not inserted into, blood glucose meter is not switched on；The record result judges processing unit pre-
If in the time, being judged to be in low level record number and front and back in height before and after the level state of the I/O port according to record result
When the record number of level is less than preset value, then judge that mistake occurs in strip insertion, and give corresponding prompt.
Compared with prior art, the starting-up method and system that a kind of blood glucose meter of the present invention is used to detect strip are by persistently examining
The level for surveying the I/O port that MCU is connect with strip socket, the current level state of the I/O port and its previous moment state are compared
Compared with, compared result is recorded respectively, and judges whether strip is inserted into according to different record results, in judge strip insert
Fashionable, triggering blood glucose meter booting, the present invention is detected by the high and low level to I/O port and is judged, it can be achieved that blood glucose
The accurate detection of the insertion of instrument strip improves the accuracy of blood glucose meter booting.
Detailed description of the invention
Fig. 1 is the main circuit structure diagram of blood glucose meter；
Fig. 2 is the schematic diagram of the main control microprocessor (MCU) of blood glucose meter；
Fig. 3 is the schematic diagram of strip socket and strip detection circuit；
Fig. 4 is the step flow chart for the starting-up method that a kind of blood glucose meter of the present invention is used to detect strip；
Fig. 5 is the flow chart for the starting-up method that blood glucose meter is used to detect strip in the specific embodiment of the invention；
Fig. 6 is the system architecture diagram for the boot system that a kind of blood glucose meter of the present invention is used to detect strip.
Specific embodiment
Below by way of specific specific example and embodiments of the present invention are described with reference to the drawings, those skilled in the art can
Understand further advantage and effect of the invention easily by content disclosed in the present specification.The present invention can also pass through other differences
Specific example implemented or applied, details in this specification can also be based on different perspectives and applications, without departing substantially from
Various modifications and change are carried out under spirit of the invention.
Fig. 4 is the step flow chart for the starting-up method that a kind of blood glucose meter of the present invention is used to detect strip.As shown in figure 4, this
The starting-up method that a kind of blood glucose meter is used to detect strip is invented, is included the following steps:
Step S1 persistently detects the level for the I/O port that MCU is connect with strip socket.In the specific embodiment of the invention, MCU
I/O port (PB5) connect with strip socket by PB5_DETECT, the level of the I/O port can be periodically detected, in this way, working as blood glucose survey
It during strip is inserted into blood glucose meter, then can be judged according to the level of the I/O port detected, specifically, frequency can be preset
Rate (such as 50Hz) detects the level of the I/O port, but invention is not limited thereto.
The current level state of the I/O port is compared by step S2 with its previous state, and compared result carries out respectively
Record.
In the specific embodiment of the invention, comparison result is recorded using two variable M/N, if the current level of the I/O port
State is identical as previous level state and is all low level, then enables variable M+1；If the current level state of the I/O port and previous electricity
Level state is identical and is all high level, then enables variable N+1；If the I/O port current level state (example different from previous level state
If one is high level, one is low level), then enable variable N=M=0.
Step S3 judges record result, judges whether strip is inserted into according to different record results, in judging
When strip is inserted into, triggering blood glucose meter booting.
In the specific embodiment of the invention, when according to record result judge that the level state of the I/O port is constantly in low level
Record number be more than preset threshold when, then judge blood glucose strip be inserted into, trigger blood glucose meter normal boot-strap；When according to record result
When judging that the level state of the I/O port is constantly in the record number of high level more than preset threshold, then judge that blood glucose strip does not have
Insertion, blood glucose meter are not switched on；In low electricity before and after within a preset time, judging the level state of the I/O port according to record result
When the record number that flat record number and front and back are in high level is less than corresponding preset threshold, then judge that strip is inserted into
There is mistake, and gives corresponding prompt.
Specifically, during level detection, when the current level state and previous level state phase for recording the I/O port
When being all added to together and always preset threshold (such as 8) for low level variable M, judges that blood glucose strip is inserted into, trigger blood glucose meter
Normal boot-strap, detection terminate；When record record the I/O port current level state it is identical as previous level state and all be high level
Variable N when being added to preset threshold (such as 8) always, judge that blood glucose strip is not inserted into, blood glucose meter is without booting, epicycle inspection
Survey terminates；And work as in preset time, if recorded preset threshold (such as 8 times) record required time or presetting in 5 minutes, at this time
Interior M, N value are all not above preset value, then judge that mistake occurs in strip insertion at this time, can give miscue, and weigh always
(it may be that interference or strip insertion are not in place etc. that the reason of mistake, which occurs, in strip insertion for multiple above-mentioned level detection and deterministic process
Situation).
As it can be seen that in the present invention, M, N must have one and meet the condition for being greater than preset value, and detection just terminates, thus
Not will receive the limitation of the time of detection, blood glucose meter can be very good to judge to be inserted into whether slow scene has the insertion of blood glucose strip,
And the present invention is detected and is judged by the high and low level to I/O port, can be better achieved anti-interference.
Fig. 5 is the flow chart for the starting-up method that blood glucose meter is used to detect strip in the specific embodiment of the invention.Such as Fig. 5 institute
Show, the blood glucose meter be used for detect strip starting-up method the step of it is as follows:
Step 1, it is 0 that value LevelPre, which assigns initial value, before level；
Step 2, it is 0 that low and high level, which counts Hnum/Lnum and assigns initial value,；
Step 3, level present worth Level is read；
Step 4, whether value LevelPre and level present worth Level are equal before decision level, if unequal, are worth before level
Iteration, LevelPre=Level, and return step 2 enters step 5 if equal；
Step 5, iteration LevelPre=Level is worth before level；
Step 6, whether decision level present worth is high, if so, count is incremented for high level, i.e. Hnum=Hnum+1, into step
Rapid 7；If level present worth be it is low, count is incremented for low level, i.e. Lnum=Lnum+1, enters step 8；
Step 7, judge that high level counts whether Hnum is greater than high threshold Hmax, if so, return step 2, terminates epicycle
Detection, if otherwise return step 3 continues to test；
Step 8, judge that low level counts whether Lnum is greater than high threshold Lmax, if so, triggering is switched on and initializes, and
The test of test strip for blood-sugar is carried out, otherwise return step 3 continues to detect.
Fig. 6 is the system architecture diagram for the boot system that a kind of blood glucose meter of the present invention is used to detect strip.As shown in fig. 6, this
Invent the boot system that a kind of blood glucose meter is used to detect strip, comprising:
Level detection unit 601, for persistently detecting the level for the I/O port that MCU is connect with strip socket.Have in the present invention
In body embodiment, the I/O port (PB5) of MCU is connect by PB5_DETECT with strip socket, can periodically detect the level of the I/O port,
In this way, can then be judged according to the level of the I/O port detected, specifically during test strip for blood-sugar insertion blood glucose meter
Ground can detect the level of the I/O port with predeterminated frequency (such as 50Hz), but invention is not limited thereto.
Level compares counting unit 602, right for the current level state of the I/O port to be compared with its previous state
Comparison result is recorded respectively.
In the specific embodiment of the invention, level compares counting unit 602 and compares knot using two variable M/N to record
Fruit enables variable M+1 if the current level state of the I/O port is identical as previous level state and is all low level；If the I/O port
Current level state it is identical as previous level state and all be high level, then enable variable N+1；If the I/O port current level state
(such as one is high level, and one is low level) different from previous level state, then enable variable N=M=0.
Record result judges processing unit 603, for judging record result, is judged according to different record results
Whether strip is inserted into, when judging strip insertion, triggering blood glucose meter booting.
In the specific embodiment of the invention, when record result judges that processing unit 603 judges the I/O port according to record result
Level state when being constantly in low level record number more than preset threshold, then judge that blood glucose strip is inserted into, trigger blood glucose
Instrument normal boot-strap；When record result judges that processing unit 603 judges that the level state of the I/O port is constantly according to record result
When the record number of high level is more than preset threshold, then judge that blood glucose strip is not inserted into, blood glucose meter is not switched on；When default
In, record result judges that processing unit 603 judges the level state front and back of the I/O port in low level according to record result
When the record number that record number and front and back are in high level is less than corresponding preset threshold, then judge that strip insertion occurs
Mistake, and give corresponding prompt.
In conclusion starting-up method and system that a kind of blood glucose meter of the present invention is used to detect strip are by persistently detecting MCU
The current level state of the I/O port is compared by the level for the I/O port connecting with strip socket with its previous moment state, right
Comparison result is recorded respectively, and judges whether strip is inserted into according to different record results, when judging strip insertion,
Blood glucose meter booting is triggered, the present invention is detected by the high and low level to I/O port and judged, it can be achieved that blood glucose meter strip
Insertion accurate detection, improve blood glucose meter booting accuracy.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.Any
Without departing from the spirit and scope of the present invention, modifications and changes are made to the above embodiments by field technical staff.Therefore,
The scope of the present invention, should be as listed in the claims.
Claims (10)
1. a kind of blood glucose meter is used to detect the starting-up method of strip, include the following steps:
Step S1 persistently detects the level for the I/O port that MCU is connect with strip socket；
The current level state of the I/O port is compared by step S2 with its previous moment state, and compared result carries out respectively
Record；
Step S3 judges record result, judges whether strip is inserted into according to different record results, in judging strip
When insertion, triggering blood glucose meter booting.
2. the starting-up method that a kind of blood glucose meter as described in claim 1 is used to detect strip, it is characterised in that: in step S2
In, it is identical as previous level state to the current level state of the lasting I/O port respectively and be all low level and the I/O port
Current level state is identical as previous level state and is all recorded for the comparison result of high level.
3. the starting-up method that a kind of blood glucose meter as claimed in claim 2 is used to detect strip, it is characterised in that: in step S3
In, when the level state for judging the I/O port according to record result is continuously in low level record number more than preset value, then
Judge that blood glucose strip is inserted into, triggers blood glucose meter normal boot-strap；When according to record result judge that the level state of the I/O port is persistently located
When the record number of high level is more than preset value, then judge that blood glucose strip is not inserted into, blood glucose meter is not switched on.
4. the starting-up method that a kind of blood glucose meter as claimed in claim 3 is used to detect strip, it is characterised in that: when default
In, judge that the level state front and back of the I/O port is in high level in low level record number and front and back according to record result
Record number then judge that mistake occurs in strip insertion when being less than preset value, and give corresponding prompt.
5. the starting-up method that a kind of blood glucose meter as claimed in claim 2 is used to detect strip, it is characterised in that: in step S2
In, comparison result is recorded using two variable M/N, if the current level state of the I/O port is identical as previous level state and all
For low level, then variable M+1 is enabled；If the current level state of the I/O port is identical as previous level state and is all high level,
Enable variable N+1；If the I/O port current level state is different from previous level state, variable N=M=0 is enabled.
6. the starting-up method that a kind of blood glucose meter as claimed in claim 5 is used to detect strip, it is characterised in that: in step S3
In, when the current level state for recording the I/O port is identical as previous level state and is all added to always for low level variable M
When preset threshold, judges that blood glucose strip is inserted into, trigger blood glucose meter normal boot-strap, detection terminates；When record records the current of the I/O port
Level state is identical as previous level state and when being all added to preset threshold always for the variable N of high level, judges that blood glucose tries
Item is not inserted into, and blood glucose meter terminates without booting, epicycle detection.
7. the starting-up method that a kind of blood glucose meter as claimed in claim 6 is used to detect strip, it is characterised in that: in step S3
In, when within a preset time, variable M, the N value of record is all not above corresponding preset threshold, then judge that strip is inserted at this time
There is mistake, give miscue, and repeats level detection and deterministic process always.
8. the boot system that a kind of blood glucose meter is used to detect strip, comprising:
Level detection unit, for persistently detecting the level for the I/O port that MCU is connect with strip socket；
Level compares counting unit, for the current level state of the I/O port to be compared with its previous state, ties to comparing
Fruit is recorded respectively；
Record result judges processing unit, for judging record result, judges that strip is according to different record results
No insertion, when judging strip insertion, triggering blood glucose meter booting.
9. the boot system that a kind of blood glucose meter as claimed in claim 8 is used to detect strip, it is characterised in that: the level ratio
Comparison result is recorded using two variable M/N compared with counting unit, if the current level state of the I/O port and previous level state
It is identical and all be low level, then enable variable M+1；If the current level state of the I/O port is identical as previous level state and is all height
Level then enables variable N+1；If the I/O port current level state is different from previous level state, variable N=M=0 is enabled.
10. the boot system that a kind of blood glucose meter as claimed in claim 9 is used to detect strip, it is characterised in that: the record
As a result judge that processing unit is constantly in low level record number in the level state for judging the I/O port according to record result and surpasses
When crossing preset threshold, judges that blood glucose strip is inserted into, trigger blood glucose meter normal boot-strap；The record result judges processing unit in root
According to record result judge the I/O port level state be constantly in high level record number be more than preset threshold when, judge blood glucose
Strip is not inserted into, and blood glucose meter is not switched on；The record result judges processing unit within a preset time, is sentenced according to record result
Break and is in the record number of high level in low level record number and front and back before and after the level state of the I/O port and is less than
When preset value, then judge that mistake occurs in strip insertion, and give corresponding prompt.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505315A (en) * | 2021-02-07 | 2021-03-16 | 北京华益精点生物技术有限公司 | Automatic test calibration device and calibration method for programmable blood glucose meter |
| CN112505315B (en) * | 2021-02-07 | 2021-05-25 | 北京华益精点生物技术有限公司 | Automatic test calibration device and calibration method for programmable blood glucose meter |
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