CN212904778U - Calibration system for common gas sensor - Google Patents
Calibration system for common gas sensor Download PDFInfo
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- CN212904778U CN212904778U CN202021777839.3U CN202021777839U CN212904778U CN 212904778 U CN212904778 U CN 212904778U CN 202021777839 U CN202021777839 U CN 202021777839U CN 212904778 U CN212904778 U CN 212904778U
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Abstract
The utility model relates to a gaseous detection technology field especially relates to a gas sensor calbiration system commonly used, including test section and analysis portion, test section and analysis portion wireless connection, the test section includes test box, distribution appearance, sensor group, gas chromatography appearance and signal transmission portion, distribution appearance and test box intercommunication, sensor group and gas chromatography appearance are used for determining the gaseous concentration in the test box respectively, the analysis portion includes signal reception portion, test section and analysis portion pass through signal transmission portion and signal reception portion and realize wireless connection. The utility model discloses a gas sensor calbiration system commonly used has the higher advantage of the calibration degree of accuracy.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a gaseous detection technology field especially relates to a gas sensor calbiration system commonly used.
[ background of the invention ]
In order to understand and grasp the environmental pollution, people monitor the air to evaluate the air quality and accumulate the air quality information, so as to predict or forecast the air quality.
However, most of the gas sensors for atmospheric monitoring on the market at present have the problems of large calibration workload and low calibration accuracy, and influence the accuracy of enterprises on atmospheric quality monitoring.
The prior art is therefore deficient and needs improvement.
[ Utility model ] content
In order to overcome the technical problem, the utility model provides a gas sensor calbiration system commonly used.
The utility model provides a technical problem's scheme provides a gas sensor calbiration system commonly used, including test section and analysis portion, test section and analysis portion wireless connection, the test section includes test box, distribution appearance, sensor group, gas chromatography appearance and signal transmission portion, distribution appearance and test box intercommunication, sensor group and gas chromatography appearance are used for determining the gaseous concentration in the test box respectively, the analysis portion includes signal reception portion, test section and analysis portion pass through signal transmission portion and signal reception portion and realize wireless connection.
Preferably, the testing part further comprises a first single chip microcomputer, and the sensor group, the gas chromatography analyzer and the signal transmitting part are electrically connected with the first single chip microcomputer respectively.
Preferably, the sensor group comprises a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor and a sulfur dioxide sensor which are respectively and electrically connected with the first singlechip.
Preferably, the testing part further comprises an amplifier and an analog-to-digital converter, the amplifier is electrically connected with the analog-to-digital converter, the sensor group is electrically connected with the amplifier, and the analog-to-digital converter is electrically connected with the first single chip microcomputer.
Preferably, the analysis portion further comprises a second single chip microcomputer and a display screen, the signal receiving portion is electrically connected with the second single chip microcomputer, and the display screen is electrically connected with the second single chip microcomputer.
Preferably, the analysis portion further comprises a data storage portion, and the data storage portion is electrically connected with the second single chip microcomputer.
Compared with the prior art, the utility model discloses a gas sensor calbiration system commonly used has following advantage:
the gas chromatographic analyzer is used for accurately measuring the concentration of the gas in the test box, so that the concentration detection value of the gas in the test box is accurately referred when the sensor group outputs the concentration detection value, the adjustment parameter of a certain gas sensor of the sensor group is established through multiple measurements of different concentrations, and the accuracy of the certain gas sensor can be adjusted according to the adjustment parameter, so that the subsequent detection result of the certain gas sensor on the concentration of the gas is more accurate; and only need carry out the experiment several times, work load is less, also does benefit to control timing cost.
The sensor group comprises a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor and a sulfur dioxide sensor, and has the advantages of various types of monitoring gases and rich monitoring contents; the arrangement of the amplifier and the analog-to-digital converter enhances the signal intensity of the detection result of the sensor group, and is beneficial to the processing and transmission of the amplified electric signal by the first single chip microcomputer; the display screen is used for displaying the detection result, so that the detection result can be conveniently and visually observed by a worker; the data storage part is used for storing the detection result, so that a worker can conveniently perform numerical value fitting on the detection result, calibration parameters are established, subsequent calibration of the sensor group is facilitated, and more accurate output results of the sensor group during atmospheric monitoring are facilitated.
[ description of the drawings ]
Fig. 1 is a schematic diagram of a specific connection structure of the calibration system for a common gas sensor of the present invention.
Fig. 2 is a schematic diagram of a specific connection structure of a testing part of the calibration system for a common gas sensor of the present invention.
Fig. 3 is a schematic diagram of a specific connection structure of an analysis portion of the common gas sensor calibration system of the present invention.
Description of reference numerals:
10. a common gas sensor calibration system; 11. a test section; 13. an analysis unit; 111. a first single chip microcomputer; 112. a gas distribution instrument; 113. a sensor group; 114. a gas chromatography analyzer; 115. a signal transmitting section; 116. an amplifier; 117. an analog-to-digital converter; 118. a carbon monoxide sensor; 119. a nitrogen dioxide sensor; 120. an ozone sensor; 121. a sulfur dioxide sensor; 131. a second single chip microcomputer; 132. a display screen; 133. a data storage unit; 134. an information receiving unit.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a calibration system 10 for a common gas sensor, which includes a testing portion 11 and an analyzing portion 13, wherein the testing portion 11 is wirelessly connected to the analyzing portion 13, and the testing portion 11 is used for detecting the concentration of gas and sending the detection result to the analyzing portion 13 in a wireless manner. Through test portion 11 and analysis portion 13 wireless connection for the staff who carries out the analysis need not to go to the scene and just can carry out analysis and establish calibration parameter to the testing result, is favorable to reducing the potential safety hazard.
Further, the testing part 11 includes a first single chip microcomputer 111, a gas distribution instrument 112, a testing box (not shown), a sensor group 113, a gas chromatograph 114 and a signal transmitting part 115, wherein the gas distribution instrument 112, the sensor group 113, the gas chromatograph 114 and the signal transmitting part 115 are respectively electrically connected to the first single chip microcomputer 111, the gas distribution instrument 112 is communicated with the testing box, and the sensor group 113 and the gas chromatograph 114 are partially located in the testing box.
Specifically, the gas distributor 112 is used for distributing the gas to be tested into the test box, and the specific types of the input gas are carbon monoxide, nitrogen dioxide, ozone and sulfur dioxide; the test box is used for accommodating gas to be tested; the sensor group 113 is used for detecting the concentration of the gas to be detected in the test box, and it can be understood that the sensor group 113 is the sensor group 113 to be calibrated, and the detection precision of the sensor group 113 on the concentration of the gas to be detected is low; the gas chromatograph 114 is used for detecting the concentration of the gas to be detected, and it can be understood that the gas to be detected by the gas chromatograph 114 of the utility model has higher concentration precision and the detection result thereof is used as the reference for adjusting the sensor group 113; the signal transmitting section 115 is used to wirelessly transmit information to the analyzing section 13.
Preferably, the testing part 11 further includes an amplifier 116 and an analog-to-digital converter 117, the amplifier 116 is electrically connected to the sensor group 113, the amplifier 116 is electrically connected to the analog-to-digital converter 117, and the analog-to-digital converter 117 is electrically connected to the first single chip 111.
When the gas to be measured is detected by the sensor group 113 and the gas chromatograph 114, the first single chip microcomputer 111 wirelessly transmits the detection result to the analysis unit 13 via the information transmission unit.
Further, the sensor group 113 includes a carbon monoxide sensor 118, a nitrogen dioxide sensor 119, an ozone sensor 120, and a sulfur dioxide sensor 121, wherein the carbon monoxide sensor 118, the nitrogen dioxide sensor 119, the ozone sensor 120, and the sulfur dioxide sensor 121 are electrically connected to the first single chip microcomputer 111, and specifically, the carbon monoxide sensor 118, the nitrogen dioxide sensor 119, the ozone sensor 120, and the sulfur dioxide sensor 121 are electrically connected to the first single chip microcomputer 111 through an amplifier 116 and an analog-to-digital converter 117.
Further, the analysis portion 13 includes a second single chip microcomputer 131, a display screen 132, a data storage portion 133 and an information receiving portion 134, and the display screen 132, the data storage portion 133 and the information receiving portion 134 are electrically connected to the second single chip microcomputer 131 respectively. The information receiving part 134 is wirelessly connected with the information transmitting part and used for receiving the concentration information of the gas to be detected sent by the first single chip microcomputer 111, the display screen 132 is used for displaying the concentration information of the gas to be detected, and the data repository is used for storing the concentration information of the gas to be detected.
Compared with the prior art, the utility model discloses a gas sensor calbiration system commonly used has following advantage:
the gas chromatographic analyzer is used for accurately measuring the concentration of the gas in the test box, so that the concentration detection value of the gas in the test box is accurately referred when the sensor group outputs the concentration detection value, the adjustment parameter of a certain gas sensor of the sensor group is established through multiple measurements of different concentrations, and the accuracy of the certain gas sensor can be adjusted according to the adjustment parameter, so that the subsequent detection result of the certain gas sensor on the concentration of the gas is more accurate; and only need carry out the experiment several times, work load is less, also does benefit to control timing cost.
The sensor group comprises a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor and a sulfur dioxide sensor, and has the advantages of various types of monitoring gases and rich monitoring contents; the arrangement of the amplifier and the analog-to-digital converter enhances the signal intensity of the detection result of the sensor group, and is beneficial to the processing and transmission of the amplified electric signal by the first single chip microcomputer; the display screen is used for displaying the detection result, so that the detection result can be conveniently and visually observed by a worker; the data storage part is used for storing the detection result, so that a worker can conveniently perform numerical value fitting on the detection result, calibration parameters are established, subsequent calibration of the sensor group is facilitated, and more accurate output results of the sensor group during atmospheric monitoring are facilitated.
The above description is only for the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications made within the spirit of the present invention, equivalent replacements and improvements should be included in the scope of the present invention.
Claims (6)
1. A calibration system for a conventional gas sensor, comprising: the gas sensor calibration system commonly used includes test section and analysis portion, test section and analysis portion wireless connection, the test section includes test box, distribution appearance, sensor group, gas chromatography appearance and signal transmission portion, distribution appearance and test box intercommunication, sensor group and gas chromatography appearance are used for determining the concentration of gas in the test box respectively, the analysis portion includes signal reception portion, test section and analysis portion pass through signal transmission portion and signal reception portion and realize wireless connection.
2. The common gas sensor calibration system of claim 1, wherein: the testing part further comprises a first single chip microcomputer, and the sensor group, the gas chromatography analyzer and the signal transmitting part are electrically connected with the first single chip microcomputer respectively.
3. A conventional gas sensor calibration system according to claim 2 wherein: the sensor group comprises a carbon monoxide sensor, a nitrogen dioxide sensor, an ozone sensor and a sulfur dioxide sensor which are respectively and electrically connected with the first single chip microcomputer.
4. A conventional gas sensor calibration system according to claim 2 wherein: the testing part further comprises an amplifier and an analog-to-digital converter, the amplifier is electrically connected with the analog-to-digital converter, the sensor group is electrically connected with the amplifier, and the analog-to-digital converter is electrically connected with the first single chip microcomputer.
5. The common gas sensor calibration system of claim 1, wherein: the analysis portion further comprises a second single chip microcomputer and a display screen, the signal receiving portion is electrically connected with the second single chip microcomputer, and the display screen is electrically connected with the second single chip microcomputer.
6. The common gas sensor calibration system of claim 5, wherein: the analysis part also comprises a data storage part, and the data storage part is electrically connected with the second singlechip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021777839.3U CN212904778U (en) | 2020-08-21 | 2020-08-21 | Calibration system for common gas sensor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021777839.3U CN212904778U (en) | 2020-08-21 | 2020-08-21 | Calibration system for common gas sensor |
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| CN212904778U true CN212904778U (en) | 2021-04-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702600A (en) * | 2021-09-27 | 2021-11-26 | 北京伟瑞迪科技有限公司 | Environmental analyzer calibration apparatus and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113702600A (en) * | 2021-09-27 | 2021-11-26 | 北京伟瑞迪科技有限公司 | Environmental analyzer calibration apparatus and method |
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