CN209690255U - A kind of Multiple Source Sensor calibration platform - Google Patents
A kind of Multiple Source Sensor calibration platform Download PDFInfo
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- CN209690255U CN209690255U CN201822020500.8U CN201822020500U CN209690255U CN 209690255 U CN209690255 U CN 209690255U CN 201822020500 U CN201822020500 U CN 201822020500U CN 209690255 U CN209690255 U CN 209690255U
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- gas
- multiple source
- suspended matter
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- 239000007789 gas Substances 0.000 claims abstract description 86
- 238000005259 measurement Methods 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 239000000725 suspension Substances 0.000 claims abstract description 9
- 239000000779 smoke Substances 0.000 claims description 9
- 239000004509 smoke generator Substances 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 16
- 239000000523 sample Substances 0.000 description 4
- 238000013178 mathematical model Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract
The utility model discloses a kind of Multiple Source Sensors to calibrate platform, including can be to set the gas or suspended matter output device, air cavity, computing module that concentration value exports at least two gases or suspended matter, air cavity can install the Multiple Source Sensor component to be measured for being used for detection gas or concentration of suspension, the delivery outlet of gas or suspended matter output device is connected to by admission line with air cavity, and computing module and sensor element to be measured are electrically connected to obtain the gas or concentration of suspension measured value of the detection of Multiple Source Sensor component；The design provides the sensitivity coefficient of easy means measurement Multiple Source Sensor component, user can be modified according to measurement result, guarantee the measuring accuracy of Multiple Source Sensor component, while by continuous amendment, the durability of Multiple Source Sensor component is extended, the wasting of resources is reduced.
Description
Technical field
The utility model relates to sensor fields, especially pick up calibration platform.
Background technique
Traditional Multiple Source Sensor can measure the concentration of each component in mixed gas or suspended matter, and multi-source passes
Sensor is made of several sensor probes for respectively corresponding measurement gas with various or concentration of suspension, finally by each sensor
The concentration data set of probe detection is output in controller, but the sensor probe meeting due to detecting corresponding gas or suspended matter
It is influenced by other gases or suspended matter.
For example, one kind is exclusively used in detection mixing CO2、CH4The Multiple Source Sensor of gas concentration, by CO2Sensor and CH4It passes
Sensor is constituted, CO2Sensor is in detection CO2When gas, CH will receive4The influence of gas can be incited somebody to action according to certain mathematical model
CO2The impacted situation of sensor sets sensitivity coefficient, similarly, CH4Sensor also has relative to CO2The sensitivity coefficient of gas,
Controller, by utilizing sensitivity coefficient weighted calculation, can just obtain after the concentration data for getting each sensor probe detection
The concentration of each component gas is taken, i.e., for example, CO2The CO that sensor measurement comes out2Concentration is c1, CH4What sensor measurement came out
CH4Concentration is c2, and CO in mixed gas2Actual concentrations be a1, CH4Actual concentrations be a2, and according to existing measuring gage
Rule, integrates out the mathematical model under the sensitivity coefficient based on different sensors, c1=a1b11+a2b12, and c2=a1
B21+a2b22, b11, b12 are CO2Sensor is respectively for CO in mixed gas2Gas, CH4The sensitivity coefficient of gas, together
Reason, b21, b22 are CH4Sensor is respectively for CO in mixed gas2Gas, CH4The sensitivity coefficient of gas, controller according to
On mathematical modeling formula, the actual concentrations of each component in mixed gas can be retrodicted out.
However, Multiple Source Sensor is after long-term use, it may appear that aging, for the sensitive journey of component each in mixed gas
Degree can change, if the sensitivity coefficient before continuing to continue to use calculates, will lead to final measurement result inaccuracy, but now
There is no a set of calibration platform that can correct Multiple Source Sensor sensitivity coefficient.
Utility model content
In order to solve the above technical problems, the purpose of the utility model is to provide one kind, can accurately to correct Multiple Source Sensor quick
Feel the calibration platform of coefficient.
The technical solution adopted in the utility model is:
A kind of Multiple Source Sensor calibration platform, comprising:
Gas or suspended matter output device can export at least two gases or suspended matter to set concentration value；
Air cavity can install the Multiple Source Sensor component to be measured for being used for detection gas or concentration of suspension, gas or outstanding
The delivery outlet of floating object output device is connected to by admission line with air cavity；
Computing module is electrically connected to obtain the gas of Multiple Source Sensor component detection or hang with sensor element to be measured
Floating object concentration measurement.
The gas or suspended matter output device include main control module and gas or suspended matter generating means, gas or outstanding
Floating object generating means is connected to by admission line with air cavity, and main control module and gas or suspended matter generating means are electrically connected with root
According to setting concentration value control gas or the work of suspended matter generating means.
The gas or suspended matter generating means include CO2Generator, CH4Generator, CO generator, oil smoke generator with
And two or more in PM2.5 generator.
Exhaust outlet is provided on the air cavity.
It further include benchmaring device, whether the concentration for detecting the mixed gas or suspended matter that are passed through in air cavity reaches
The standard value that can be tested.
The benchmaring device includes reference sensor component, processor and indicate indicator, reference sensor component
Be arranged in air cavity to detect the concentration of mixed gas or suspended matter being passed through, processor respectively with reference sensor component, refer to
Show that component is electrically connected, processor, which is used to judge whether the concentration of the mixed gas or suspended matter being passed through to reach, to be tested
It standard value and is prompted by indicate indicator.
The reference sensor component includes CO2Sensor, CH4Sensor, CO sensor, oil smoke sensor and PM2.5
Combination of two or more in sensor.
The reference sensor component is Solid polymer electrochemical sensor.
The reference sensor component is removably disposed in air cavity, and reference sensor component removably with place
Device is managed to be electrically connected.
The utility model has the beneficial effects that
The concentration value output at least two of the utility model pick up calibration platform, gas or suspended matter output device to set
Kind gas or suspended matter are equivalent to below by taking two kinds of gases or suspended matter as an example and learn that the reality of two kinds of gases or suspended matter is dense
Angle value, two kinds of gases or suspended matter enter air cavity mixing, and Multiple Source Sensor component to be measured carries out two kinds of gases or suspended matter
Measurement, computing module obtain the signal of Multiple Source Sensor to obtain the concentration measurement of two kinds of gases or suspended matter, and respectively
Many experiments are carried out with different setting concentration value, obtain multiple groups experimental data, user is according to the sensitivity of Multiple Source Sensor component
Coefficient mathematical model, c1=a1b11+a2b12 and c2=a1b21+a2b22, be calculated b11, b12, b21,
The value of b22, for correcting Multiple Source Sensor component for the sensitivity coefficient of corresponding gas or suspended matter, the design provides simplicity
Means measurement Multiple Source Sensor component sensitivity coefficient, user can be modified according to measurement result, guarantee multi-source sensing
The measuring accuracy of device component, while by continuous amendment, the durability of Multiple Source Sensor component is extended, resource wave is reduced
Take.
Detailed description of the invention
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model pick up calibration platform.
Specific embodiment
As shown in Figure 1, a kind of Multiple Source Sensor calibrates platform, for measuring the sensitivity coefficient of Multiple Source Sensor, wherein packet
It includes:
Gas or suspended matter output device 1 can export at least two gases or suspended matter to set concentration value；
Air cavity 2, can install the Multiple Source Sensor component 4 to be measured for detection gas or concentration of suspension, gas or
The delivery outlet of suspended matter output device 1 is connected to by admission line with air cavity 2；
Computing module 3 is electrically connected to obtain the detection of Multiple Source Sensor component 4 with Multiple Source Sensor component 4 to be measured
Gas or concentration of suspension measured value.
Wherein, gas or suspended matter output device 1 are according to the type of Multiple Source Sensor component 4 to be measured, and selection output is not
Same gas or suspended matter mixing, for example, including CO for the Multiple Source Sensor of common detection peculiar smell2Sensor, CH4Sensing
Device, CO sensor, oil smoke sensor and PM2.5 sensor, then gas or suspended matter generating means include CO2Generator, CH4
Two or more in generator, CO generator, oil smoke generator and PM2.5 generator export CO2、CH4, CO, oil smoke,
PM2.5, it is, of course, also possible to include the generator of other gases or suspended matter, computing module includes analog-to-digital conversion unit and MCU
Or CPU, for handling the detection data for obtaining Multiple Source Sensor component to be measured.
Gas or suspended matter output device 1 include main control module 11 and gas or suspended matter generating means 12, gas or
Suspended matter generating means 12 is connected to by admission line with air cavity 2,12 electricity of main control module 11 and gas or suspended matter generating means
Property connection to be worked according to setting concentration value control gas or suspended matter generating means, main control module 11 can be CPU or MCU
And peripheral circuit, switching circuit, input peripheral etc. are based on sensing to be measured to control gas or suspended matter generating means 12
The difference of device, moreover it is possible to corresponding to open CO2Generator, CH4In generator, CO generator, oil smoke generator and PM2.5 generator
Two or more startings.
The application method of this pick up calibration platform are as follows: the concentration value that user sets in gas or suspended matter output device,
At least two gases or suspended matter are exported, below with CO2、CH4, CO, oil smoke, for PM2.5 mixture, be equivalent to and learn herein
CO2、CH4, CO, oil smoke, PM2.5 actual concentrations value, CO2Actual concentrations are a1, CH4Actual concentrations are a2, and CO actual concentrations are
A3, oil smoke actual concentrations are a4, and PM2.5 actual concentrations are a5, and each gas and suspended matter enter air cavity mixing, multi-source to be measured
Sensor element respectively measures every kind of gas and suspended matter, and the signal that computing module obtains Multiple Source Sensor is dense to obtain
Measured value is spent, a hybrid sensor can also be wherein set in Multiple Source Sensor, and hybrid sensor can be a kind of solid-state polymerization
Object electrochemical sensor can detect roughly the concentration of mixture, and have the advantages that small power consumption, in conjunction with sensitivity coefficient model
It is specific as follows:
CO2Measurement value sensor is c1=a1b11+a2b21+a3b31+a4b41
CH4Measurement value sensor is c2=a1b12+a2b22+a3b32+a4b42
CO measurement value sensor is c3=a1b13+a2b23+a3b33+a4b43
Oil smoke measurement value sensor is c4=a1b14+a2b24+a3b34+a4b44+a5b54
PM2.5 measurement value sensor is c5=a4b45+a5b55
Hybrid sensor measured value is c6=a1b16+a2b26+a3b36+a4b46+a5b56；
And many experiments are carried out with different setting concentration values respectively, multiple groups experimental data are obtained, to be calculated
Sensitivity coefficient.
The design provides the sensitivity coefficient of easy means measurement Multiple Source Sensor component 4, and user can be according to measurement
As a result it is modified, guarantees the measuring accuracy of Multiple Source Sensor component 4, while by continuous amendment, extending multi-source biography
The durability of inductor components 4 reduces the wasting of resources.
Further, air cavity 2 can vacuumize cavity for closed, and the air inlet on air cavity passes through admission line and gas
Or the delivery outlet connection of suspended matter output device, so that gas with various is exported, and in the design preferred embodiment, it is set on air cavity 2
It is equipped with exhaust outlet 21, the air inlet on air cavity 2 is connected to by admission line with the delivery outlet of gas or suspended matter output device 1,
The gas of gas or the constantly output setting concentration of suspended matter output device 1, passes through 21 row of exhaust outlet for the air in air cavity 2
Out, and reach concentration to be measured.
Further, in order to guarantee that measurement data is accurate, further include benchmaring device 5, be passed through in air cavity 2 for detecting
Whether mixed gas or the concentration of suspended matter reach the standard value that can be tested, and standard value is manually set herein, it is therefore intended that
It prevents in the initial state, air is not discharged for the gas that gas or suspended matter output device 1 export, and concentration not up to stablizes shape
The reading that Multiple Source Sensor component 4 to be measured is read under state causes measurement result inaccurate.
Benchmaring device 5 includes reference sensor component 51, processor 52 and indicate indicator 53, reference sensor portion
Part 51 is arranged in air cavity 2 to detect the concentration of mixed gas or suspended matter being passed through, processor 52 respectively with reference sensor
Component 51, indicate indicator 53 are electrically connected, and processor 52 is for judging whether the concentration for the mixed gas or suspended matter being passed through reaches
It prompting to the standard value that can be tested and by indicate indicator 53, processor 52 can be MCU or CPU herein,
Indicate indicator 53 can be display screen, indicator light etc..
Reference sensor component 51 includes CO herein2Sensor, CH4Sensor, CO sensor, oil smoke sensor and
Combination of two or more or reference sensor component 51 in PM2.5 sensor are Solid polymer electrochemical sensor.
Based on detecting to different Multiple Source Sensors, therefore reference sensor component 51 is removably disposed in air cavity 2
In, and reference sensor component 51 is removably electrically connected with processor 52, the shape being detachably arranged in air cavity 2 herein
Formula can be the connection types such as buckle, screw thread, and common plug electric terminal detachably can be used with 52 connection type of processor.
The foregoing is merely the preferred embodiments of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the utility model aim technical solution belong to the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of Multiple Source Sensor calibrates platform characterized by comprising
Gas or suspended matter output device can export at least two gases or suspended matter to set concentration value；
Air cavity can install the Multiple Source Sensor component to be measured for being used for detection gas or concentration of suspension, gas or suspended matter
The delivery outlet of output device is connected to by admission line with air cavity；
Computing module is electrically connected to obtain the gas of Multiple Source Sensor component detection or hang with Multiple Source Sensor component to be measured
Floating object concentration measurement.
2. a kind of Multiple Source Sensor according to claim 1 calibrates platform, it is characterised in that: the gas or suspended matter are defeated
Device includes main control module and gas or suspended matter generating means out, gas or suspended matter generating means by admission line with
Air cavity connection, main control module and gas or suspended matter generating means are electrically connected according to setting concentration value control gas or suspension
The work of object generating means.
3. a kind of Multiple Source Sensor according to claim 2 calibrates platform, it is characterised in that: the gas or suspension produce
Raw component includes CO2Generator, CH4Two kinds or more in generator, CO generator, oil smoke generator and PM2.5 generator
Kind.
4. a kind of Multiple Source Sensor according to claim 1 calibrates platform, it is characterised in that: the row of being provided on the air cavity
Port.
5. a kind of Multiple Source Sensor according to claim 4 calibrates platform, it is characterised in that: further include benchmaring dress
It sets, whether the concentration for detecting the mixed gas or suspended matter that are passed through in air cavity reaches the standard value that can be tested.
6. a kind of Multiple Source Sensor according to claim 5 calibrates platform, it is characterised in that: the benchmaring device packet
Reference sensor component, processor and indicate indicator are included, reference sensor component is arranged in air cavity to be mixed with what detection was passed through
The concentration of gas or suspended matter is closed, processor is electrically connected with reference sensor component, indicate indicator respectively, and processor is for sentencing
It is open close enter mixed gas or suspended matter concentration whether reach the standard value that can be tested and by indicate indicator carry out
Prompt.
7. a kind of Multiple Source Sensor according to claim 6 calibrates platform, it is characterised in that: the reference sensor component
Including CO2Sensor, CH4Combination of two or more in sensor, CO sensor, oil smoke sensor and PM2.5 sensor.
8. a kind of Multiple Source Sensor according to claim 6 calibrates platform, it is characterised in that: the reference sensor component
For Solid polymer electrochemical sensor.
9. a kind of Multiple Source Sensor according to claim 7 or 8 calibrates platform, it is characterised in that: the reference sensor
Component is removably disposed in air cavity, and reference sensor component is removably electrically connected with processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020500.8U CN209690255U (en) | 2018-11-28 | 2018-11-28 | A kind of Multiple Source Sensor calibration platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822020500.8U CN209690255U (en) | 2018-11-28 | 2018-11-28 | A kind of Multiple Source Sensor calibration platform |
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| Publication Number | Publication Date |
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| CN209690255U true CN209690255U (en) | 2019-11-26 |
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| CN201822020500.8U Expired - Fee Related CN209690255U (en) | 2018-11-28 | 2018-11-28 | A kind of Multiple Source Sensor calibration platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595609A (en) * | 2020-06-19 | 2020-08-28 | 中国计量科学研究院 | A respiratory rhythm generating device, detection system and detection method thereof |
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2018
- 2018-11-28 CN CN201822020500.8U patent/CN209690255U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111595609A (en) * | 2020-06-19 | 2020-08-28 | 中国计量科学研究院 | A respiratory rhythm generating device, detection system and detection method thereof |
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Granted publication date: 20191126 |