CN107576697A - A kind of sensor sensitivity factor acquisition method and terminal device - Google Patents
A kind of sensor sensitivity factor acquisition method and terminal device Download PDFInfo
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- CN107576697A CN107576697A CN201710846583.3A CN201710846583A CN107576697A CN 107576697 A CN107576697 A CN 107576697A CN 201710846583 A CN201710846583 A CN 201710846583A CN 107576697 A CN107576697 A CN 107576697A
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Abstract
The embodiment of the present application discloses a kind of sensor sensitivity factor acquisition method and terminal device, for confirming the sensitivity coefficient of sensor.The embodiment of the present application method includes：Terminal obtains first voltage, and the first voltage is the voltage of sensor output；The terminal obtains second voltage, and the second voltage is the voltage of baseline drift collector output, and the baseline drift collector is used to gather background signal；The terminal obtains pollutant concentration, and the pollutant concentration is measured by preset standard scores analyzer；The terminal determines the sensitivity coefficient of the sensor according to the first voltage, the second voltage and the pollutant concentration.The embodiment of the present application additionally provides a kind of terminal device, for confirming the sensitivity coefficient of sensor.
Description
Technical field
The application is related to atmospheric monitoring field, more particularly to a kind of sensor sensitivity factor acquisition method and terminal are set
It is standby.
Background technology
Atmosphere pollution is puzzlement world's most area, especially a developing country, has a strong impact on human health
And the phenomenon of visibility, therefore effective monitoring is very important the concentration progress to pollutant in air in real time.
The atmospheric monitoring website with depending on government's management and control to pollutant monitoring in air in the world domestic at present, remove
Outside this, occur a kind of monitoring device based on small air mass sensor, the sensor of the monitoring device now
Need the connection of power supply and signal wire.
It is close that the purposes of the monitoring device based on small air mass sensor mainly characterizes regionality, particularly population
The local air quality in high region is spent, air quality index can be calculated, but the sensor of the monitoring device is in environment
Under the conditions of when working sensitivity coefficient it is unknown, so as to cause the data inversion of sensor to lack necessary parameter.
The content of the invention
The embodiment of the present application provides a kind of sensor sensitivity factor acquisition method and terminal device, for confirming to sense
The sensitivity coefficient of device.
The sensor sensitivity factor acquisition method that the embodiment of the present application provides, including：
Terminal obtains first voltage, and the first voltage is the voltage of sensor output；
Terminal obtains second voltage, the voltage that the second voltage exports for baseline drift collector, baseline drift collector
For gathering background signal；
Terminal obtains pollutant concentration, and pollutant concentration is measured by preset standard scores analyzer；
Terminal determines the sensitivity coefficient of sensor according to first voltage, second voltage and pollutant concentration.
Alternatively, terminal determines the sensitivity coefficient bag of sensor according to first voltage, second voltage and pollutant concentration
Include：
The first voltage that terminal will be got, second voltage and pollutant concentration are substituted into formula, first voltage, the second electricity
The data of pressure and pollutant concentration are no less than two groups；
Terminal determines the sensitivity coefficient of sensor according to formula.
Alternatively, the formula includes：
C=(R-k*B)/S；
C is pollutant concentration；
R is first voltage；
B is second voltage；
K is the zoom factor of baseline drift collector；
S is the sensitivity coefficient of sensor.
Alternatively, terminal determines that the sensitivity coefficient of sensor includes according to formula：
Terminal determines the sensitivity coefficient of sensor using formula by the method for nonlinear regression.
Alternatively, terminal determines that the sensitivity coefficient of sensor also includes according to formula：
Terminal determines the zoom factor of baseline drift collector using formula by the method for nonlinear regression；
Terminal substitutes into the zoom factor of baseline drift collector in formula the sensitivity coefficient that sensor is calculated.
Alternatively, terminal obtains first voltage and included：
Terminal receives the packet that microcontroller is sent, and packet is packed by microcontroller and generated, and packet includes first
Voltage.
Alternatively, terminal obtains second voltage and included：
Terminal receives the packet that microcontroller is sent, and packet is packed by microcontroller and generated, and packet includes second
Voltage.
Alternatively, sensor includes：
Electrochemical sensor.
Alternatively, terminal includes：
Terminal analysis processing system.
The terminal device that the embodiment of the present application provides, including：
First acquisition unit, for obtaining first voltage, the first voltage is the voltage of sensor output；
Second acquisition unit, for obtaining second voltage, the second voltage is the voltage of baseline drift collector output,
The baseline drift collector is used to gather background signal；
3rd acquiring unit, for obtaining pollutant concentration, the pollutant concentration is measured by preset standard scores analyzer；
Determining unit, for determining the biography according to the first voltage, the second voltage and the pollutant concentration
The sensitivity coefficient of sensor.
Optionally it is determined that unit includes：
First computation subunit, for the first voltage that will be got, the second voltage and the pollutant are dense
Degree is substituted into formula, and the data of the first voltage, the second voltage and the pollutant concentration are no less than two groups；
First determination subelement, for determining the spirit of the sensor by the method for nonlinear regression using the formula
Sensitivity coefficient.
Optionally it is determined that unit also includes：
Second determination subelement, for determining baseline drift collector by the method for nonlinear regression using the formula
Zoom factor；
Second computation subunit, calculated for the zoom factor of the baseline drift collector to be substituted into the formula
To the sensitivity coefficient of sensor.
Alternatively, first acquisition unit includes：
First receiving subelement, for receiving the packet of microcontroller transmission, the packet has the microcontroller
Packing generation, the packet include the first voltage.
Alternatively, second acquisition unit includes：
Second receiving subelement, for the packet for receiving microcontroller transmission, the packet has the micro-control
Device packing generation processed, the packet include the second voltage.
As can be seen from the above technical solutions, the embodiment of the present application has advantages below：
In the embodiment of the present application, terminal can get the first voltage of sensor output, the output of baseline drift collector
Second voltage and the pollutant concentration that measures of standard scores analyzer, and then terminal is according to the first voltage got, the second electricity
Pressure and pollutant concentration can obtain the sensitivity coefficient of sensor, it is ensured that the data inversion of sensor possesses necessary ginseng
Number.
Brief description of the drawings
Fig. 1 is one embodiment schematic diagram of sensor sensitivity factor acquisition method in the embodiment of the present application；
Fig. 2 is another embodiment schematic diagram of sensor sensitivity factor acquisition method in the embodiment of the present application；
Fig. 3 is another embodiment schematic diagram of sensor sensitivity factor acquisition method in the embodiment of the present application；
Fig. 4 is one embodiment schematic diagram of terminal device in the embodiment of the present application；
Fig. 5 is another embodiment schematic diagram of terminal device in the embodiment of the present application；
Fig. 6 is another embodiment schematic diagram of terminal device in the embodiment of the present application；
Fig. 7 is the structural representation of terminal device in the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of sensor sensitivity factor acquisition method and terminal device, for confirming to sense
The sensitivity coefficient of device.
Referring to Fig. 1, sensor sensitivity factor acquisition method one embodiment includes in the embodiment of the present application：
101st, terminal obtains first voltage.
In the present embodiment, the voltage of working electrode output, the measurement of the voltage when first voltage is normal operation of sensor
Method can be measured with voltmeter, it is to be understood that the measuring method of the voltage is except being to use voltage in actual applications
Table measures outer, can also be other modes, such as can be measured with universal meter or other can accurately measure the voltage
The method of concrete numerical value, is not limited specifically herein.
It should be noted that the unit of the voltage can be millivolt, it is to be understood that the unit of the voltage is except can be with
It is outside millivolt, can also be other unit, such as lie prostrate, does not limit herein specifically.
It should be noted that the sensor can be carbon monoxide transducer, it is to be understood that the sensor is except can
To be outside carbon monoxide transducer, other types sensor is can also be, such as can be nitric oxide sensor, specifically herein
Do not limit.
102nd, terminal obtains second voltage.
In the present embodiment, voltage that second voltage exports when being baseline drift collector normal work, the baseline drift is adopted
Storage is used to gather background signal, and background signal is electric signal caused by sensor when being not exposed in dusty gas, generally
Output when representing unloaded, background signal is the important technology index of analyte sensors measurement error in addition, therefore baseline is believed
Number collection be very necessary.
It should be noted that the baseline drift collector can be built among sensor, it is to be understood that the base
Line drifts about collector in addition to it can be built in sensor, can also be other modes, such as the baseline drift collector
It can also separate with sensor, not limit herein specifically.
It should be noted that the measuring method of the voltage can be measured with voltmeter, it is to be understood that actually should
The measuring method of the voltage can also be other modes, such as can use general-purpose in addition to being to be measured with voltmeter in
The method that table measures or other can accurately measure the voltage concrete numerical value, is not limited specifically herein.
It should be noted that the unit of the voltage can be millivolt, it is to be understood that the unit of the voltage is except can be with
It is outside millivolt, can also be other unit, such as lie prostrate, does not limit herein specifically.
103rd, terminal obtains pollutant concentration.
In the present embodiment, pollutant concentration is measured by preset standard scores analyzer, and the standard scores analyzer is with sensor same
A period of time is run under one time, same section, similar sample frequency, this can be that several hours can also be for a period of time
Several days, do not limit herein specifically.
If it should be noted that the standard scores analyzer and the sample frequency of sensor differ, can using the time as X-axis,
Interpolation processing is done to the two groups of data got under different sample frequencys, to allow standard analysis instrument and sensor in phase
Run under same sample frequency.
It should be noted that the pollutant concentration can be carbonomonoxide concentration, it is to be understood that the pollutant concentration
In addition to it can be carbonomonoxide concentration, other forms be can also be, such as can be nitric oxide concentration, are not done herein specifically
Limit.
It should be noted that there is no fixation between the step of the step of the step of 101 execution, 102 execution and 103 execution
Sequential, 101 can be first carried out and perform 102 execution 103 afterwards again, 103 can also be first carried out and perform 102 execution 101 afterwards again,
101,102 and 103 steps can be performed simultaneously, do not limited herein specifically.
104th, terminal determines the sensitivity coefficient of sensor according to first voltage, second voltage and pollutant concentration.
Terminal is getting sensor output first voltage, the second voltage of baseline drift collector output and standard analysis
The sensitivity coefficient of sensor can be determined after the pollutant concentration that instrument measures.
It should be noted that the first voltage, second voltage and pollutant concentration are in same time, the ring in same section
Measured under border, this is one group of data, if the data that replacing construction or section measure are another group of data, is needed in the present embodiment
The data wanted are no less than two groups.
In the present embodiment, terminal can get sensor output first voltage respectively, baseline drift collector exports
The pollutant concentration that second voltage and standard scores analyzer measure, so terminal according to get first voltage, second voltage and
Pollutant concentration can obtain the sensitivity coefficient of sensor, it is ensured that the data inversion of sensor possesses necessary parameter.
Based on the embodiment shown in Fig. 1, wherein terminal determines to sense according to first voltage, second voltage and pollutant concentration
The mode of the sensitivity coefficient of device has a variety of, illustrates individually below：
First, terminal substitutes into the first voltage got, second voltage and pollutant concentration in formula, and then terminal utilizes
The formula determines the sensitivity coefficient of sensor by the method for nonlinear regression：
Referring to Fig. 2, another embodiment of the sensitivity coefficient acquisition method of sensor includes in the embodiment of the present application：
201st, terminal received data packet.
Terminal receives the packet that microcontroller is sent, and the packet is packed by microcontroller and generated, and the packet includes
First voltage and second voltage, it is to be understood that the packet can be a packet, including first voltage and the second electricity
Pressure, the packet can also be multiple data packet groups into set, wherein include first voltage and second voltage respectively, specifically this
Place does not limit.
It should be noted that the microcontroller can first receive the simulation letter that sensor and baseline drift collector are sent
Number, the analog signal includes the signal of first voltage and the signal of second voltage, the simulation that microcontroller will receive afterwards
Signal is converted to data signal, and the signal after conversion is packed, and subsequent microcontroller passes the packet for generation of packing
Data transmission unit is transported to, and packet is sent to terminal or by data transmission unit that packet is standby by data transmission unit
Part to by data storage card access terminal and packet being backed up into terminal again after data storage card.
It should be noted that the signal transmission between the sensor and baseline drift collector and microcontroller can be logical
Cross data wire completion, it is to be understood that in addition, the letter between the sensor and baseline drift collector and microcontroller
Number transmission can also be completed by way of being wirelessly transferred, and not limit herein specifically.
202nd, terminal extracts first voltage and second voltage from packet.
Terminal extracts first voltage and second voltage after the packet sent from microcontroller is received from packet
Concrete numerical value.
203rd, terminal obtains pollutant concentration.
In the present embodiment, step 203 is similar with the step 103 in the embodiment shown in Fig. 1, and here is omitted.
It should be noted that the sequential do not fixed between step 201 and step 203, can first carry out step 201,
Step 203 can be first carried out, step 201 and step 203 can also be performed simultaneously, do not limited herein specifically.
204th, terminal substitutes into first voltage, second voltage and pollutant concentration in formula.
In the present embodiment, the formula is specially：
C=(R-k*B)/S；
The C is pollutant concentration；
The R is first voltage；
The B is second voltage；
The k is the zoom factor of baseline drift collector；
The S is the sensitivity coefficient of sensor.
It should be noted that wherein k and S is to seek parameter in generation.
205th, terminal determines the sensitivity coefficient of sensor using formula by way of nonlinear regression.
In the present embodiment, the initial value that the initial value that can set k in formula is 1, S is 0.5 millivolt/part per billion,
And the R measured and B is substituted into formula and tries to achieve current pollutant concentration C0, make followed by the method for Multiple Non Linear Regression
The current contamination concentration C tried to achieve0The quadratic sum of error is minimum between the pollutant concentration C measured with standard scores analyzer, now
The sensor sensitivity factor as finally determined based on the S that principle of least square method is tried to achieve.
In the present embodiment, the packet that terminal can be sent by receiving microcontroller gets the electricity of sensor output first
Pressure, the second voltage of baseline drift collector output, and terminal can get the pollutant concentration that standard scores analyzer measures,
The first voltage got, second voltage and pollutant concentration are substituted into formula by subsequent terminal, and then it is non-thread to utilize formula to pass through
Property the method that returns can determine the sensitivity coefficient of sensor, it is ensured that the data inversion of sensor possesses necessary parameter.
2nd, terminal substitutes into the first voltage got, second voltage and pollutant concentration in formula, and then terminal utilizes
The formula determines the zoom factor of baseline drift collector by the method for nonlinear regression, and further terminal is by the baseline of determination
The zoom factor of drift collector also substitutes into formula the sensitivity coefficient that sensor is calculated：
Referring to Fig. 3, another embodiment of the sensitivity coefficient acquisition method of sensor includes in the embodiment of the present application：
301st, terminal received data packet.
In the present embodiment, step 301 is similar with step 201 in embodiment illustrated in fig. 2, and here is omitted.
302nd, terminal extracts first voltage and second voltage from packet.
In the present embodiment, step 302 is similar with step 202 in embodiment illustrated in fig. 2, and here is omitted.
303rd, terminal obtains pollutant concentration.
In the present embodiment, step 303 is similar with the step 103 in the embodiment shown in Fig. 1, and here is omitted.
It should be noted that the sequential do not fixed between step 301 and step 303, can first carry out step 301,
Step 303 can be first carried out, step 301 and step 303 can also be performed simultaneously, do not limited herein specifically.
304th, terminal substitutes into first voltage, second voltage and pollutant concentration in formula.
In the present embodiment, step 304 is similar with the step 204 in the embodiment shown in Fig. 2, and here is omitted.
305th, terminal determines the zoom factor of baseline drift collector using formula by way of nonlinear regression.
In the present embodiment, the initial value that the initial value that can set k in formula is 1, S is 0.5 millivolt/part per billion,
And the R measured and B is substituted into formula and tries to achieve current pollutant concentration C0, make followed by the method for Multiple Non Linear Regression
The current contamination concentration C tried to achieve0The quadratic sum of error is minimum between the pollutant concentration C measured with standard scores analyzer, now
Zoom factor based on the k that principle of least square method the is tried to achieve baseline drift collectors as finally determined.
306th, terminal the zoom factor substitution formula of baseline drift collector is calculated the sensitivity coefficient of sensor.
Terminal is after the zoom factor of baseline drift collector is determined by the zoom factor generation of the baseline drift collector
Enter into the formula described in step 304, and first voltage, second voltage and pollutant concentration that terminal is got also substitute into public affairs
The sensitivity coefficient of sensor can be calculated in formula.
In the present embodiment, the packet that terminal can be sent by receiving microcontroller gets the electricity of sensor output first
Pressure, the second voltage of baseline drift collector output, and terminal can get the pollutant concentration that standard scores analyzer measures,
The first voltage got, second voltage and pollutant concentration are substituted into formula by subsequent terminal, and then it is non-thread to utilize formula to pass through
Property the method that returns can determine the zoom factor of baseline drift collector, terminal is by the baseline drift collector of determination afterwards
Zoom factor substitutes into formula the sensitivity coefficient that sensor has been calculated again, it is ensured that the data inversion of sensor possesses must
The parameter wanted.
The transducer sensitivity acquisition method in the embodiment of the present application is described above, the application implemented below
Terminal device in example is described：
Referring to Fig. 4, one embodiment of terminal device includes in the embodiment of the present application：
First acquisition unit 401, for obtaining first voltage, first voltage is the voltage of sensor output；
Second acquisition unit 402, for obtaining second voltage, second voltage is the voltage of baseline drift collector output,
Baseline drift collector is used to gather background signal；
3rd acquiring unit 403, for obtaining pollutant concentration, pollutant concentration is measured by preset standard scores analyzer；
Determining unit 404, the sensitivity system for determining sensor according to first voltage, second voltage and pollutant concentration
Number.
In the present embodiment, first acquisition unit 401 can get the first voltage of sensor output, second acquisition unit
402 can get the second voltage of baseline drift collector output, and the 3rd acquiring unit 403 can be got by standard analysis
The pollutant concentration that instrument measures, determining unit 404 can determine sensor according to first voltage, second voltage and pollutant concentration
Sensitivity coefficient, it is ensured that the data inversion of sensor possesses necessary parameter.
It should be noted that determining unit 404 determines sensor according to first voltage, second voltage and pollutant concentration
The method of sensitivity coefficient has a variety of, illustrates separately below：
First, determining unit substitutes into the first voltage got, second voltage and pollutant concentration in formula, and then utilizes
The formula determines the sensitivity coefficient of sensor by the method for nonlinear regression：
Referring to Fig. 5, another embodiment of terminal device includes in the embodiment of the present application：
First acquisition unit 501, for obtaining first voltage, first voltage is the voltage of sensor output；
Second acquisition unit 502, for obtaining second voltage, second voltage is the voltage of baseline drift collector output,
Baseline drift collector is used to gather background signal；
3rd acquiring unit 503, for obtaining pollutant concentration, pollutant concentration is measured by preset standard scores analyzer；
Determining unit 504, the sensitivity system for determining sensor according to first voltage, second voltage and pollutant concentration
Number.
In the present embodiment, first acquisition unit 501 further comprises：
First receiving subelement 5011, the packet for receiving microcontroller transmission, packet are packed by microcontroller
Generation, packet include first voltage.
In the present embodiment, second acquisition unit 502 further comprises：
Second receiving subelement 5021, the packet for receiving microcontroller transmission, packet are packed by microcontroller
Generation, packet include second voltage.
In the present embodiment, determining unit 504 further comprises：
First computation subunit 5041, the first voltage for that will get, second voltage and pollutant concentration substitute into public
In formula, the data of first voltage, second voltage and pollutant concentration are no less than two groups；
First determination subelement 5042, the sensitivity for determining sensor by the method for nonlinear regression using formula
Coefficient.
In the present embodiment, the first receiving subelement 5011 receives the packet for including first voltage that microcontroller is sent,
Second receiving subelement 5021 receives the packet for including second voltage that microcontroller is sent, and the 3rd acquiring unit 503 can be with
Get the pollutant concentration measured by standard scores analyzer, the first computation subunit 5041 is by first voltage, second voltage and dirt
Contaminate thing concentration to substitute into formula, the first determination subelement 5042, sensor is determined by the method for nonlinear regression using formula
Sensitivity coefficient, it is ensured that the data inversion of sensor possesses necessary parameter.
2nd, determining unit substitutes into the first voltage got, second voltage and pollutant concentration in formula, and then utilizes
The formula determines the zoom factor of baseline drift collector by the method for nonlinear regression, then the baseline drift of determination is gathered
The zoom factor of device substitutes into the sensitivity coefficient that sensor is calculated in formula：
Referring to Fig. 6, another embodiment of terminal device includes in the embodiment of the present application：
First acquisition unit 601, for obtaining first voltage, first voltage is the voltage of sensor output；
Second acquisition unit 602, for obtaining second voltage, second voltage is the voltage of baseline drift collector output,
Baseline drift collector is used to gather background signal；
3rd acquiring unit 603, for obtaining pollutant concentration, pollutant concentration is measured by preset standard scores analyzer；
Determining unit 604, the sensitivity system for determining sensor according to first voltage, second voltage and pollutant concentration
Number.
In the present embodiment, first acquisition unit 601 further comprises：
First receiving subelement 6011, the packet for receiving microcontroller transmission, packet are packed by microcontroller
Generation, packet include first voltage.
In the present embodiment, second acquisition unit 602 further comprises：
Second receiving subelement 6021, the packet for receiving microcontroller transmission, packet are packed by microcontroller
Generation, packet include second voltage.
In the present embodiment, determining unit 604 further comprises：
First computation subunit 6041, the first voltage for that will get, second voltage and pollutant concentration substitute into public
In formula, the data of first voltage, second voltage and pollutant concentration are no less than two groups；
Second determination subelement 6042, for determining baseline drift collector by the method for nonlinear regression using formula
Zoom factor；
Second computation subunit 6043, calculate for the zoom factor of the baseline drift collector of determination to be substituted into formula
To the sensitivity coefficient of sensor.
In the present embodiment, the first receiving subelement 6011 receives the packet for including first voltage that microcontroller is sent,
Second receiving subelement 6021 receives the packet for including second voltage that microcontroller is sent, and the 3rd acquiring unit 603 can be with
Get the pollutant concentration measured by standard scores analyzer, the first computation subunit 6041 is by first voltage, second voltage and dirt
Contaminate thing concentration to substitute into formula, the second determination subelement 6042, determine that baseline floats by the method for nonlinear regression using formula
The zoom factor of collector is moved, the zoom factor of the baseline drift collector of determination is substituted into public affairs by the second computation subunit 6043 again
The sensitivity coefficient to sensor calculated in formula, it is ensured that the data inversion of sensor possesses necessary parameter.
The terminal device in the embodiment of the present application is described the angle of slave module functional entity above, below from hard
Terminal device in the embodiment of the present application is described the angle of part processing, referring to Fig. 7, the terminal in the embodiment of the present application
Another embodiment of equipment includes：
Fig. 7 be the embodiment of the present application provide a kind of terminal device structural representation, the terminal device 700 can because configuration or
Performance is different and produces bigger difference, can include one or more central processing units (central
Processing units, CPU) 722 (for example, one or more processors) and memory 732, one or more
Store the storage medium 730 (such as one or more mass memory units) of application program 742 or data 744.Wherein, deposit
Reservoir 732 and storage medium 730 can be of short duration storage or persistently storage.Being stored in the program of storage medium 730 can include
One or more modules (diagram does not mark), each module can include operating the series of instructions in terminal device.
Further, central processing unit 722 be could be arranged to communicate with storage medium 730, and storage is performed on terminal device 700 and is situated between
Series of instructions operation in matter 730.
The central processing unit 722 can perform following steps according to command operating：
First voltage is obtained, the first voltage is the voltage of sensor output；
Second voltage is obtained, the second voltage is the voltage of baseline drift collector output, and baseline drift collector is used for
Gather background signal；
Pollutant concentration is obtained, pollutant concentration is measured by preset standard scores analyzer；
The sensitivity coefficient of sensor is determined according to first voltage, second voltage and pollutant concentration.
Terminal device 700 can also include one or more power supplys 726, one or more wired or wireless nets
Network interface 750, one or more input/output interfaces 758, and/or, one or more operating systems 741, such as
Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
Can be based on the terminal device structure shown in the Fig. 7 as the step performed by terminal device in above-described embodiment.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematical, for example, the unit
Division, only a kind of division of logic function, can there is other dividing mode, such as multiple units or component when actually realizing
Another system can be combined or be desirably integrated into, or some features can be ignored, or do not perform.It is another, it is shown or
The mutual coupling discussed or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or unit
Close or communicate to connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the application can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is used as independent production marketing or use
When, it can be stored in a computer read/write memory medium.Based on such understanding, the technical scheme of the application is substantially
The part to be contributed in other words to prior art or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are causing a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the application
Portion or part steps.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
Described above, above example is only to illustrate the technical scheme of the application, rather than its limitations；Although with reference to before
Embodiment is stated the application is described in detail, it will be understood by those within the art that：It still can be to preceding
State the technical scheme described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and scope of each embodiment technical scheme of the application.
Claims (10)
- A kind of 1. sensor sensitivity factor acquisition method, it is characterised in that including：Terminal obtains first voltage, and the first voltage is the voltage of sensor output；The terminal obtains second voltage, the voltage that the second voltage exports for baseline drift collector, the baseline drift Collector is used to gather background signal；The terminal obtains pollutant concentration, and the pollutant concentration is measured by preset standard scores analyzer；The terminal determines the sensitive of the sensor according to the first voltage, the second voltage and the pollutant concentration Spend coefficient.
- 2. according to the method for claim 1, it is characterised in that the terminal is according to the first voltage, second electricity Pressure and the pollutant concentration determine that the sensitivity coefficient of the sensor includes：The first voltage that the terminal will be got, the second voltage and the pollutant concentration are substituted into formula, institute The data for stating first voltage, the second voltage and the pollutant concentration are no less than two groups；The terminal determines the sensitivity coefficient of the sensor according to the formula.
- 3. according to the method for claim 2, it is characterised in that the formula includes：C=(R-k*B)/S；The C is the pollutant concentration；The R is the first voltage；The B is the second voltage；The k is the zoom factor of baseline drift collector；The S is the sensitivity coefficient of sensor.
- 4. according to the method for claim 3, it is characterised in that the terminal determines the sensor according to the formula Sensitivity coefficient includes：The terminal determines the sensitivity coefficient of the sensor using the formula by the method for nonlinear regression.
- 5. according to the method for claim 3, it is characterised in that the terminal determines the sensor according to the formula Sensitivity coefficient also includes：The terminal determines the zoom factor of the baseline drift collector using the formula by the method for nonlinear regression；The zoom factor of the baseline drift collector is substituted into the formula and the sensor is calculated by the terminal Sensitivity coefficient.
- 6. method according to any one of claim 1 to 5, it is characterised in that the terminal, which obtains first voltage, to be included：The terminal receives the packet that microcontroller is sent, and the packet is packed by the microcontroller and generated, the number According to including the first voltage；Or,The terminal, which obtains second voltage, to be included：The terminal receives the packet that microcontroller is sent, and the packet is packed by the microcontroller and generated, the number According to including the second voltage.
- A kind of 7. terminal device, it is characterised in that including：First acquisition unit, for obtaining first voltage, the first voltage is the voltage of sensor output；Second acquisition unit, for obtaining second voltage, the second voltage is the voltage of baseline drift collector output, described Baseline drift collector is used to gather background signal；3rd acquiring unit, for obtaining pollutant concentration, the pollutant concentration is measured by preset standard scores analyzer；Determining unit, for determining the sensor according to the first voltage, the second voltage and the pollutant concentration Sensitivity coefficient.
- 8. terminal device according to claim 7, it is characterised in that the determining unit includes：First computation subunit, for the first voltage that will be got, the second voltage and the pollutant concentration generation Enter in formula, the data of the first voltage, the second voltage and the pollutant concentration are no less than two groups；First determination subelement, for determining the sensitivity of the sensor by the method for nonlinear regression using the formula Coefficient.
- 9. terminal device according to claim 8, it is characterised in that the determining unit also includes：Second determination subelement, for determining the contracting of baseline drift collector by the method for nonlinear regression using the formula Put coefficient；Second computation subunit, biography is calculated for the zoom factor of the baseline drift collector to be substituted into the formula The sensitivity coefficient of sensor.
- 10. the terminal device according to any one of claim 7 to 9, it is characterised in that the first acquisition unit bag Include：First receiving subelement, for receiving the packet of microcontroller transmission, the packet is packed by the microcontroller Generation, the packet include the first voltage；Or,The second acquisition unit includes：Second receiving subelement, for the packet for receiving microcontroller transmission, the packet is by the microcontroller Packing generation, the packet include the second voltage.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109187355A (en) * | 2018-09-04 | 2019-01-11 | 深圳市卡普瑞环境科技有限公司 | A kind of purging gas path device applied to optical cavity structure |
| CN109187354A (en) * | 2018-09-04 | 2019-01-11 | 深圳市卡普瑞环境科技有限公司 | A kind of purging gas path device suitable for optical cavity structure |
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| CN102243058A (en) * | 2011-04-15 | 2011-11-16 | 中国船舶重工集团公司第七○二研究所 | Calibration device and calibration method for sensitivity coefficient of strain transducer |
| CN102288122A (en) * | 2011-04-22 | 2011-12-21 | 中国航空工业集团公司北京长城计量测试技术研究所 | Online calibrating device and method for fiber Bragg grating (FBG) strain sensor |
| CN102313523A (en) * | 2011-08-18 | 2012-01-11 | 中国飞机强度研究所 | Sensitivity calibration method of fiber Bragg grating strain sensor |
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| JPH041539A (en) * | 1990-04-17 | 1992-01-07 | Murata Mfg Co Ltd | Sensitivity coefficient measuring method for piezoelectric element |
| CN102243058A (en) * | 2011-04-15 | 2011-11-16 | 中国船舶重工集团公司第七○二研究所 | Calibration device and calibration method for sensitivity coefficient of strain transducer |
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| CN109187355A (en) * | 2018-09-04 | 2019-01-11 | 深圳市卡普瑞环境科技有限公司 | A kind of purging gas path device applied to optical cavity structure |
| CN109187354A (en) * | 2018-09-04 | 2019-01-11 | 深圳市卡普瑞环境科技有限公司 | A kind of purging gas path device suitable for optical cavity structure |
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