CN113533650A - Gas measuring equipment consistency detection system and detection method - Google Patents
Gas measuring equipment consistency detection system and detection method Download PDFInfo
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- CN113533650A CN113533650A CN202110803766.3A CN202110803766A CN113533650A CN 113533650 A CN113533650 A CN 113533650A CN 202110803766 A CN202110803766 A CN 202110803766A CN 113533650 A CN113533650 A CN 113533650A
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 142
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000003546 flue gas Substances 0.000 claims abstract description 48
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 238000012360 testing method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000012795 verification Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000004886 process control Methods 0.000 description 2
- 230000001364 causal effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
- G01N33/0072—Arrangements to check the analyser by generating a test gas
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Abstract
The present application aims at providing a gas measurement equipment uniformity detection system including: the smoke pipeline is provided with a plurality of access ports so as to access a plurality of gas measuring devices connected with the operation terminal; the PLC control collector is connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to set a pressure value and a temperature value in the flue gas pipeline; the gas divider is communicated to the inlet of the flue gas pipeline, connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to configure gas with a corresponding gas concentration value to enter the flue gas pipeline; the operation terminal determines whether the plurality of gas measuring devices have consistency according to whether the plurality of gas measuring devices have the same measuring data under the set corresponding temperature value, pressure value and gas concentration value.
Description
Technical Field
The application relates to the technical field of industrial equipment, in particular to a gas measuring equipment consistency detection system and a detection method.
Background
In the face of increasingly strict national emission regulations, the consistency of performance parameters and measured data of hundreds of Weichai gas analyzer devices is concerned with the consistency of developed products among platforms and is more concerned with the reliability and reasonableness of engine data calibration in enterprise emission upgrading. In the prior art, a general method for verifying the measurement consistency of an analyzer is as follows: 1. a plurality of devices are connected on the same engine test bench, and are simultaneously measured to verify the consistency of the devices; 2. on different engine test benches, the engines run under the same working condition, are connected with different devices, and the consistency is verified by comparing the measurement results. 3. The method specifically performs linearization check on each device, and further deduces that the consistency among the devices is not problematic.
The prior art is deduced in a causal relationship reasoning mode, 1, the hardware is limited, 1, the method 1 is greatly limited by hardware conditions, particularly for equipment manufacturers, the verification can not be carried out under the condition of no test bench, and the verification cost is high. 2. The credibility of the consistency result is questioned: in the method 2, the test is carried out without a bench, and the consistency can not be ensured due to the influence of factors such as a control boundary condition, hardware position layout and the like, so that the consistency result of the gas analyzer is verified to be unreliable. 3. The method 3 only carries out linearization check, so that the consistency of the derivation equipment is not problematic and is not intuitive enough, the equipment is limited by factors such as self structural design and possible blockage of pipelines after long-time use, and the like, and the linearization check of the analyzer can not comprehensively represent that all performance parameters of the equipment meet the requirements.
Disclosure of Invention
In order to master the state of gas analysis appearance more accurately, verify its parameter performance such as reliability, uniformity, responsiveness, the application provides a gas measuring equipment uniformity detecting system includes: the smoke pipeline is provided with a plurality of access ports so as to access a plurality of gas measuring devices connected with the operation terminal; the PLC control collector is connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to set a pressure value and a temperature value in the flue gas pipeline; the gas divider is communicated to the inlet of the flue gas pipeline, connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to configure gas with a corresponding gas concentration value to enter the flue gas pipeline; the operation terminal determines whether the plurality of gas measuring devices have consistency according to whether the plurality of gas measuring devices have the same measuring data under the set corresponding temperature value, pressure value and gas concentration value.
Optionally, a temperature control device is arranged in the flue gas pipeline and connected with the PLC control collector, and the PLC control collector controls the temperature control device to set a corresponding temperature value when receiving a signal instruction for setting a temperature value from the operation terminal.
Optionally, a variable frequency fan is arranged in the flue gas pipeline and connected with the PLC control collector, and when the PLC control collector receives a signal instruction for setting a pressure value from an operation terminal, the PLC control collector controls the rotation frequency of the variable frequency fan to control the pressure value in the flue gas pipeline.
Optionally, the variable frequency fan is connected with the PLC control collector through a frequency converter, and the PLC control collector controls the frequency converter to control the variable frequency fan.
And when receiving a signal instruction for setting a gas concentration value of the operation terminal, the gas divider allocates the zero gas and the full gas with corresponding amounts to allocate the gas with corresponding concentrations.
Optionally, a mixing fan is arranged at an inlet and an outlet of the gas divider communicated with the flue gas pipeline, and is used for fully mixing zero gas and full gas and sending the zero gas and the full gas into the flue gas pipeline.
Optionally, the variable frequency fan is disposed at an outlet of the flue gas duct.
Optionally, a relative pressure sensor is further arranged in the flue gas pipeline, and the relative pressure sensor is connected with the operation terminal through a PLC control collector, is used for detecting a pressure value in the flue gas pipeline, and feeds the pressure value back to the operation terminal.
According to another aspect of the present application, there is also provided a method for detecting consistency of a gas measurement device, applied to an operation terminal, including: the method comprises the steps of obtaining a pressure value parameter, a temperature value parameter and a gas concentration parameter set by a user, generating corresponding instruction signals according to the pressure value parameter, the temperature value parameter and the gas concentration parameter, sending the pressure value instruction signals and the temperature value instruction signals to a PLC (programmable logic controller) control collector and sending the gas concentration instruction signals to a gas divider, setting a pressure value inside a flue gas pipeline when the PLC control collector receives the pressure value instruction signals, setting a temperature value inside the flue gas pipeline when the PLC control collector receives the temperature value instruction signals, configuring gas with a corresponding gas concentration value to enter the flue gas pipeline when the gas divider receives the gas concentration instruction signals, accessing a plurality of gas measuring devices connected with an operation terminal to the flue gas pipeline, obtaining measuring data of the plurality of gas measuring devices, and obtaining a plurality of gas measuring device measuring data according to the corresponding temperature value, gas concentration parameter and the gas concentration parameter set by the plurality of gas measuring devices, And whether the measured data under the conditions of the pressure value and the gas concentration value are the same or not is determined to determine whether the plurality of gas measuring devices have consistency or not.
The technical scheme of the application can strictly simulate the environments such as the temperature of the rack smoke exhaust pipeline, the pressure of the sampling point and the like; the accuracy is high: multi-point (different gas concentrations) verification can be realized in a program control mode, and the comprehensive and accurate consistency verification result is ensured; the gas with different concentration standards is dynamically proportioned in the whole process to execute the detection process, the whole control process does not need manual intervention, the concentration and the test time are automatically adjusted, multiple devices are supported to be tested simultaneously, the unified and reliable boundary conditions are ensured, and the test result is accurate and reliable.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a consistency detection system of a gas measurement device provided in the present application.
Description of reference numerals:
1-variable frequency fan, 2-smoke exhaust pipeline, 3-variable frequency, 4-PLC control acquisition system, 5-operation terminal, 6-zero gas device, 7-full gas device, 8-gas cutter, 9-mixing fan, 10-relative pressure sensor, 11-heating device, 12-gas measuring equipment 1, 13-gas measuring equipment 2, 14-gas measuring equipment 3 and 15-gas measuring equipment n.
Detailed Description
The present application is described in further detail below with reference to the attached figures. The following description, with reference to the accompanying drawings, is provided to facilitate a comprehensive understanding of various embodiments of the application as defined by the claims and their equivalents. These embodiments include various specific details for ease of understanding, but these are to be considered exemplary only. Accordingly, those skilled in the art will appreciate that various changes and modifications may be made to the various embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions will be omitted herein for brevity and clarity.
The terms and phrases used in the following specification and claims are not to be limited to the literal meaning, but are merely for the clear and consistent understanding of the application. Accordingly, it will be appreciated by those skilled in the art that the description of the various embodiments of the present application is provided for illustration only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings in some embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is to be understood that the terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only, and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items. The expressions "first", "second", "third", "the first", "the second", and "the third" are used for modifying the respective elements without regard to order or importance, and are used only for distinguishing one element from another element without limiting the respective elements. The system mainly adopts a temperature PID closed-loop control algorithm in a PLC controller, and is combined with upper computer software compiled by Labview software to carry out real-time communication. The specific implementation technical method is as follows:
the system hardware comprises: industrial personal computer (operation terminal), PLC control and collection module (PLC control collector), gas divider unit (gas divider), exhaust system, heating unit, etc
The software comprises the following components: and (3) performing man-machine interaction control based on upper computer software (installed in a computer and an operation terminal) compiled by Labview.
The control mode is realized as follows:
program control presetting: through the design of a human-computer interaction interface on the operation terminal, the simulation multipoint program control can be preset, and the program control content of each point can comprise gas concentration ratio, running time, sampling point pressure, sampling point temperature and the like.
And (3) process control: the software in the computer system of the operation terminal and the Siemens S7-200 series PLC controller carry out real-time temperature and pressure acquisition through an RS-232 communication protocol and customized communication contents and are respectively realized through closed-loop PID control in a mode of controlling heating by a fan and a solid-state relay through a frequency converter. Meanwhile, the communication mode between the computer and the gas divider is measured and controlled, and the gas divider is controlled to be configured with standard gas with different concentrations. So as to complete the program control process control and the boundary condition control.
The specific implementation technical method is as follows: data analysis function: different devices communicate with the measurement and control computer software according to different communication protocols, transmit related measurement data in real time, and the measurement and control computer records in real time and generates a consistency detection report according to the measurement results of consistency, linearity, response time and the like after the completion.
Specifically, a gas measurement device consistency detection system includes:
the smoke pipeline is provided with a plurality of access ports so as to access a plurality of gas measuring devices connected with the operation terminal; the PLC control collector is connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to set a pressure value and a temperature value in the flue gas pipeline; the gas divider is communicated to the inlet of the flue gas pipeline, connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to configure gas with a corresponding gas concentration value to enter the flue gas pipeline; the operation terminal determines whether the plurality of gas measuring devices have consistency according to whether the plurality of gas measuring devices have the same measuring data under the set corresponding temperature value, pressure value and gas concentration value. And if the measurement data are the same, confirming that the plurality of gas measurement devices have consistency.
Optionally, a temperature control device is arranged in the flue gas pipeline and connected with the PLC control collector, and the PLC control collector controls the temperature control device to set a corresponding temperature value when receiving a signal instruction for setting a temperature value from the operation terminal.
Optionally, a variable frequency fan is arranged in the flue gas pipeline and connected with the PLC control collector, and when the PLC control collector receives a signal instruction for setting a pressure value from an operation terminal, the PLC control collector controls the rotation frequency of the variable frequency fan to control the pressure value in the flue gas pipeline.
Optionally, the variable frequency fan is connected with the PLC control collector through a frequency converter, and the PLC control collector controls the frequency converter to control the variable frequency fan.
And when receiving a signal instruction for setting a gas concentration value of the operation terminal, the gas divider allocates the zero gas and the full gas with corresponding amounts to allocate the gas with corresponding concentrations.
Optionally, a mixing fan is arranged at an inlet and an outlet of the gas divider communicated with the flue gas pipeline, and is used for fully mixing zero gas and full gas and sending the zero gas and the full gas into the flue gas pipeline.
Optionally, the variable frequency fan is disposed at an outlet of the flue gas duct.
Optionally, a relative pressure sensor is further arranged in the flue gas pipeline, and the relative pressure sensor is connected with the operation terminal through a PLC control collector, is used for detecting a pressure value in the flue gas pipeline, and feeds the pressure value back to the operation terminal.
According to another aspect of the present application, there is also provided a method for detecting consistency of a gas measurement device, applied to an operation terminal, including: the method comprises the steps of obtaining a pressure value parameter, a temperature value parameter and a gas concentration parameter set by a user, generating corresponding instruction signals according to the pressure value parameter, the temperature value parameter and the gas concentration parameter, sending the pressure value instruction signals and the temperature value instruction signals to a PLC (programmable logic controller) control collector and sending the gas concentration instruction signals to a gas divider, setting a pressure value inside a flue gas pipeline when the PLC control collector receives the pressure value instruction signals, setting a temperature value inside the flue gas pipeline when the PLC control collector receives the temperature value instruction signals, configuring gas with a corresponding gas concentration value to enter the flue gas pipeline when the gas divider receives the gas concentration instruction signals, accessing a plurality of gas measuring devices connected with an operation terminal to the flue gas pipeline, obtaining measuring data of the plurality of gas measuring devices, and obtaining a plurality of gas measuring device measuring data according to the corresponding temperature value, gas concentration parameter and the gas concentration parameter set by the plurality of gas measuring devices, And whether the measured data under the conditions of the pressure value and the gas concentration value are the same or not is determined to determine whether the plurality of gas measuring devices have consistency or not.
The technical scheme of the application can strictly simulate the environments such as the temperature of the rack smoke exhaust pipeline, the pressure of the sampling point and the like; the accuracy is high: multi-point (different gas concentrations) verification can be realized in a program control mode, and the comprehensive and accurate consistency verification result is ensured; the gas with different concentration standards is dynamically proportioned in the whole process to execute the detection process, the whole control process does not need manual intervention, the concentration and the test time are automatically adjusted, multiple devices are supported to be tested simultaneously, the unified and reliable boundary conditions are ensured, and the test result is accurate and reliable.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.
Claims (9)
1. A gas measurement device compliance detection system, comprising:
the smoke pipeline is provided with a plurality of access ports so as to access a plurality of gas measuring devices connected with the operation terminal;
the PLC control collector is connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to set a pressure value and a temperature value in the flue gas pipeline;
the gas divider is communicated to the inlet of the flue gas pipeline, connected with the operation terminal and used for receiving a signal instruction of the operation terminal so as to configure gas with a corresponding gas concentration value to enter the flue gas pipeline;
the operation terminal determines whether the plurality of gas measuring devices have consistency according to whether the plurality of gas measuring devices have the same measuring data under the set corresponding temperature value, pressure value and gas concentration value.
2. The gas measuring device consistency detection system of claim 1, wherein a temperature control device is disposed within the flue gas duct;
the temperature control device is connected with the PLC control collector, and the PLC control collector controls the temperature control device to set a corresponding temperature value when receiving a signal instruction of the operation terminal for setting the temperature value.
3. The gas measuring device consistency detection system of claim 1, wherein a variable frequency fan is disposed within the flue gas duct;
the variable frequency fan is connected with the PLC control collector, and the PLC control collector controls the rotation frequency of the variable frequency fan to control the pressure value in the flue gas pipeline when receiving a signal instruction of an operation terminal for setting the pressure value.
4. The gas measuring device consistency detection system according to claim 3, wherein the variable frequency fan is connected with the PLC control collector through a frequency converter, and the PLC control collector controls the variable frequency fan by controlling the frequency converter.
5. The gas measuring device consistency detection system of claim 1, wherein the gas divider is separately communicated with the zero gas device and the full gas device;
and when the gas divider receives a signal instruction for setting a gas concentration value of the operation terminal, the gas divider allocates zero gas and full gas with corresponding amounts to allocate gas with corresponding concentrations.
6. The system for consistency detection of gas measuring equipment according to claim 1, wherein a mixing fan is disposed at an inlet of the gas divider in communication with the flue gas duct for thoroughly mixing the zero gas and the full gas and feeding the mixture into the flue gas duct.
7. The gas measurement device consistency detection system of claim 3, wherein the variable frequency fan is disposed at an outlet of the flue gas duct.
8. The gas measuring equipment consistency detection system according to claim 1, wherein a relative pressure sensor is further arranged in the flue gas pipeline, and the relative pressure sensor is connected with the operation terminal through a PLC control collector, is used for detecting a pressure value in the flue gas pipeline, and feeds the pressure value back to the operation terminal.
9. A consistency detection method of gas measurement equipment is applied to an operation terminal and is characterized by comprising the following steps:
acquiring a pressure value parameter, a temperature value parameter and a gas concentration parameter which are set by a user;
generating a corresponding instruction signal according to the pressure value parameter, the temperature value parameter and the gas concentration parameter;
sending the pressure value instruction signal and the temperature value instruction signal to a PLC control collector, and sending a gas concentration instruction signal to a gas divider;
the PLC controls the collector to set a pressure value in the flue gas pipeline when receiving the pressure value instruction signal, and sets a temperature value in the flue gas pipeline when receiving the temperature value instruction signal;
the gas divider is used for configuring gas with a corresponding gas concentration value to enter the flue gas pipeline when receiving a gas concentration command signal;
wherein, a plurality of gas measuring devices connected with an operation terminal are connected to the flue gas pipeline
Acquiring measurement data of a plurality of gas measurement devices;
and determining whether the plurality of gas measuring devices have consistency according to whether the plurality of gas measuring devices have the same measuring data under the set corresponding temperature value, pressure value and gas concentration value.
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| CN202110803766.3A CN113533650A (en) | 2021-07-16 | 2021-07-16 | Gas measuring equipment consistency detection system and detection method |
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| CN202110803766.3A CN113533650A (en) | 2021-07-16 | 2021-07-16 | Gas measuring equipment consistency detection system and detection method |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128861A (en) * | 2010-12-29 | 2011-07-20 | 河南汉威电子股份有限公司 | Automatic calibration system for gas sensor |
| CN105021777A (en) * | 2015-07-31 | 2015-11-04 | 湖北大学 | Multifunctional gas sensor testing system |
| CN105588916A (en) * | 2014-11-12 | 2016-05-18 | 长沙理工大学 | Flowing/static two-purpose gas sensor test system |
| CN105628752A (en) * | 2014-11-28 | 2016-06-01 | 国网青海省电力公司电力科学研究院 | Calibration method of electrochemical sensor |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN206540883U (en) * | 2017-01-16 | 2017-10-03 | 清华大学 | A kind of gas sensor evaluation and test and calibration system |
| CN111398353A (en) * | 2020-03-24 | 2020-07-10 | 合肥微纳传感技术有限公司 | Multichannel gas sensor test system |
| CN111650972A (en) * | 2020-06-12 | 2020-09-11 | 重庆科技学院 | Multi-component dynamic gas distribution test system with mixer |
-
2021
- 2021-07-16 CN CN202110803766.3A patent/CN113533650A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102128861A (en) * | 2010-12-29 | 2011-07-20 | 河南汉威电子股份有限公司 | Automatic calibration system for gas sensor |
| CN105588916A (en) * | 2014-11-12 | 2016-05-18 | 长沙理工大学 | Flowing/static two-purpose gas sensor test system |
| CN105628752A (en) * | 2014-11-28 | 2016-06-01 | 国网青海省电力公司电力科学研究院 | Calibration method of electrochemical sensor |
| CN105021777A (en) * | 2015-07-31 | 2015-11-04 | 湖北大学 | Multifunctional gas sensor testing system |
| CN106645587A (en) * | 2017-01-16 | 2017-05-10 | 清华大学 | Gas sensor evaluation and calibration system |
| CN206540883U (en) * | 2017-01-16 | 2017-10-03 | 清华大学 | A kind of gas sensor evaluation and test and calibration system |
| CN111398353A (en) * | 2020-03-24 | 2020-07-10 | 合肥微纳传感技术有限公司 | Multichannel gas sensor test system |
| CN111650972A (en) * | 2020-06-12 | 2020-09-11 | 重庆科技学院 | Multi-component dynamic gas distribution test system with mixer |
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