CN211927687U - Gas analysis device and continuous smoke discharge system - Google Patents
Gas analysis device and continuous smoke discharge system Download PDFInfo
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- CN211927687U CN211927687U CN201921625357.3U CN201921625357U CN211927687U CN 211927687 U CN211927687 U CN 211927687U CN 201921625357 U CN201921625357 U CN 201921625357U CN 211927687 U CN211927687 U CN 211927687U
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Abstract
The utility model provides a gas analysis device and continuous smog discharge system, wherein gas analysis device includes: the gas monitoring device comprises a gas monitoring chamber and a corrector, wherein the gas monitoring chamber is provided with a first gas inlet for introducing gas to be detected and a second gas inlet for introducing reference gas with known components, the gas monitoring device is used for sensing component information of the gas, the corrector is configured to determine the offset between the component information sensed by the gas monitoring device and the known component information of the gas after the second gas inlet introduces the reference gas into the gas monitoring chamber, and the component information of the gas sensed by the gas monitoring device is corrected.
Description
Technical Field
The utility model relates to a gas analysis device and continuous smog discharge system, in particular to take correcting unit's gas analysis device and continuous smog discharge system.
Background
The continuous smoke emission monitoring system is used for monitoring information reflected by the content of oxygen, carbon monoxide and carbon dioxide in the exhaust gas, and controlling the combustion chamber in the industrial field, so that the operation of the combustion chamber meets the gas emission standard.
The continuous smoke emission monitoring system utilizes an infrared emitter to generate infrared light with a certain wavelength to irradiate the industrial gas exhausted through a flue, the infrared light with the wavelength is absorbed by specific gas, the infrared light which is not absorbed is received by a sensor, the sensor generates a signal, a processor analyzes and calculates the signal to obtain concentration information of the specific gas, and a display is used for displaying a result. Thus, the continuous smoke emission monitoring system is able to monitor the gas composition of the industrial gas before it is emitted.
To ensure accuracy of the gas measurement, the offset of the sensor needs to be corrected periodically. However, in industrial settings, sensors are typically not removed for calibration.
SUMMERY OF THE UTILITY MODEL
The present invention aims to provide a gas analysis device and a continuous smoke discharge system that can solve the above and/or other technical problems to realize the correction of the component information of gas sensing conveniently and accurately.
In one aspect, the utility model provides a gas analysis device, include: a gas monitoring chamber, the gas monitoring chamber comprising: a first gas introduction port configured to introduce a gas to be measured into the gas monitoring chamber through the first gas introduction port, and a second gas introduction port configured to introduce a reference gas having a known composition into the gas monitoring chamber; a gas monitoring device configured to sense gas flowing through the gas monitoring chamber, and acquire composition information of the gas; and a switching valve configured to perform an opening and closing operation on the first gas introduction port and the second gas introduction port, wherein the gas monitoring device is configured to sense the gas to be measured charged into the gas monitoring chamber after the switching valve opens the first gas introduction port and closes the second gas introduction port, and the gas monitoring device is configured to sense the reference gas charged into the gas monitoring chamber after the switching valve closes the first gas introduction port and opens the second gas introduction port.
Therefore, the utility model relates to a gas analysis device has realized utilizing gas monitoring device to measure its component information to reference gas in single gas monitoring room, realizes under the gaseous monitoring device's of not dismantling gaseous analysis device's the condition, and the component information of accurate, the convenient gaseous reference of realizing gas monitoring device measuring is with the comparison of reference gas's known component information.
Preferably, the gas analysis apparatus further comprises: a corrector connected to the gas monitoring device and configured to determine an offset amount from the composition information of the reference gas sensed by the gas monitoring device and the known composition information of the reference gas, the corrector correcting the composition information of the gas sensed by the gas monitoring device in accordance with the offset amount.
Therefore, the utility model relates to a gas analysis device has realized utilizing gas monitoring device to measure its component information to the reference gas in single gas monitoring room, realizes under the condition of the gas monitoring device who does not dismantle gas analysis device, and accurate, conveniently rectify gas monitoring device's measuring result.
Preferably, the gas monitoring device of the gas analysis device comprises: an infrared emitter configured to emit infrared light to the gas flowing through the gas monitoring chamber; an infrared receiver configured to be disposed opposite to the infrared transmitter and to generate a sensing signal upon receiving infrared rays passing through the gas inside the gas monitoring chamber.
Therefore, the utility model relates to a gas analysis device can utilize the infrared ray light of the specific frequency spectrum that infrared emitter produced to shine the gas in the gas monitoring room of flowing through, and partial specific gas obtains partial specific gaseous concentration through the infrared ray light of absorbing specific frequency spectrum, the infrared energy of calculating infrared generator transmission and the infrared energy difference that infrared receiver received.
Preferably, the gas monitoring device of the gas analysis device further comprises: a data processor configured to convert the sensing signal into an energy value received by the infrared receiver, calculate an attenuation of the energy value transmitted by the infrared transmitter and the energy received by the infrared receiver, and calculate composition information of the gas.
Therefore, the utility model relates to a gas analysis device can utilize the infrared ray light of the specific frequency spectrum that infrared emitter produced to shine the gas in the gas monitoring room of flowing through, and partial specific gas obtains the concentration of partial specific gas molecule through the infrared ray light of absorbing specific frequency spectrum, the infrared energy of calculating infrared generator transmission and the infrared energy difference that infrared receiver received.
Preferably, the gas monitoring device of the gas analysis device comprises: and the infrared control device is configured to be connected with the infrared emitter so as to adjust the spectrum of the infrared emitted by the infrared emitter.
Therefore, the utility model relates to a gas analysis device can be through adjusting the infrared spectrum that infrared emitter jetted out to the concentration of several gaseous molecules in the gas, thereby obtain gaseous component information.
Preferably, the gas monitoring device of the gas analysis device further comprises: an analog-to-digital converter configured to be connected to the infrared receiver, wherein the analog-to-digital converter converts the sensing signal into a digital signal, and then transmits the digital signal to a data processor, and the data processor processes the digital signal to obtain the composition information of the gas.
Preferably, the gas analysis apparatus further comprises: a gas source configured to generate the reference gas having a known composition and coupled to the second gas introduction port to introduce the reference gas into the gas monitoring chamber.
Preferably, the gas analysis apparatus further comprises: a switching valve configured to be a first switching state in which the calibrator corrects the composition information of the gas and a second switching state in which the calibrator does not correct the composition information of the gas, the first switching state corresponding to the switching valve closing a first gas introduction port, opening a second gas introduction port, and introducing the reference gas into the gas monitoring chamber when the calibrator corrects the composition information of the gas, the second switching state corresponding to the switching valve closing a second gas introduction port, opening the first gas introduction port, and introducing the gas to be measured into the gas monitoring chamber when the calibrator does not correct the composition information of the gas.
Therefore, the utility model relates to a gas analysis device has realized utilizing gas monitoring device to measure its component information to the reference gas in single gas monitoring room, realizes under the condition of the gas monitoring device who does not dismantle gas analysis device, and accurate, conveniently rectify gas monitoring device's measuring result.
Preferably, the gas monitoring chamber of the gas analysis apparatus further comprises: a gas discharge port configured to communicate with the gas monitoring chamber and discharge a gas introduced into the gas monitoring chamber through the first gas introduction port or the second gas introduction port.
On the other hand, the utility model also provides a continuous smog discharge system includes: a smoke monitoring chamber, the smoke monitoring chamber comprising: a first gas introduction port configured to introduce a gas to be measured into the gas monitoring chamber through the first gas introduction port, and a second gas introduction port configured to introduce a reference gas having a known composition into the smoke monitoring chamber; a smoke discharge port configured to communicate with the smoke monitoring chamber, discharging gas introduced into the smoke monitoring chamber through the first gas introduction port or the second gas introduction port; a smoke monitoring device configured to sense gas flowing through the smoke monitoring chamber, to obtain constituent information of the gas; and a switching valve configured to perform an opening and closing operation on the first gas introduction port and the second gas introduction port, wherein when the switching valve opens the first gas introduction port and closes the second gas introduction port, the smoke monitoring device is configured to sense the gas to be measured flowing through the smoke monitoring chamber, and when the switching valve closes the first gas introduction port and opens the second gas introduction port, the smoke monitoring device is configured to sense the reference gas flowing through the smoke monitoring chamber.
Therefore, the utility model relates to a continuous smog discharge system has realized utilizing smog monitoring device to measure its component information to reference gas in single gaseous monitoring room, realizes under the smog monitoring device's that does not dismantle continuous smog discharge system the condition, and accurate, conveniently realize smog monitoring device measuring reference gas's component information and reference gas's known component information's comparison.
Preferably, the continuous smoke evacuation system further comprises: a corrector connected to the smoke monitoring device and configured to determine an offset from the composition information of the reference gas sensed by the smoke monitoring device and the known composition information of the reference gas, the corrector correcting the composition information of the gas sensed by the smoke monitoring device in accordance with the offset.
Therefore, the utility model relates to a continuous smog discharge system has realized utilizing smog monitoring device to measure its component information to reference gas in single smog monitoring room, realizes under the condition of not dismantling smog monitoring device, and accurate, conveniently rectify smog monitoring device's measuring result.
Preferably, the smoke monitoring device of the continuous smoke evacuation system comprises: an infrared emitter configured to emit infrared light to gas flowing through the smoke monitoring chamber; an infrared receiver configured to be disposed opposite the infrared transmitter and to generate a sensing signal upon receiving infrared light passing through the gas within the smoke monitoring chamber.
Therefore, the utility model relates to a continuous smog discharge system can utilize the infrared ray light of the specific frequency spectrum that infrared emitter produced to shine the gas in the gas monitoring room of flowing through, and partial specific gas obtains partial specific gaseous concentration through the infrared ray light of absorbing specific frequency spectrum, the infrared energy of calculating infrared generator transmission and the infrared energy difference that infrared receiver received.
Preferably, the smoke monitoring device of the continuous smoke evacuation system further comprises: a data processor configured to convert the sensing signal into an energy value received by the infrared receiver, calculate an attenuation of the energy value received by the infrared receiver and the emission energy value of the infrared emitter to calculate composition information of the gas.
Preferably, the smoke monitoring device of the continuous smoke evacuation system comprises: and the infrared control device is configured to be connected with the infrared emitter so as to adjust the spectrum of the infrared emitted by the infrared emitter.
Therefore, the utility model relates to a continuous smog discharge system can be through adjusting the infrared spectrum that infrared emitter jetted out to the concentration of several gaseous molecules in the gas, thereby obtain gaseous component information.
Preferably, the smoke monitoring device of the continuous smoke evacuation system further comprises: an analog-to-digital converter configured to be connected to the infrared receiver, wherein the analog-to-digital converter converts the sensing signal into a digital signal, and then transmits the digital signal to a data processor, and the data processor processes the digital signal to obtain the composition information of the gas.
Therefore, the utility model relates to a continuous smoke discharging system has realized utilizing to carry reference gas and measure the difference of its component information and the known component information of reference gas in single gas monitoring room to realize under the condition of not dismantling continuous smoke discharging system's smoke monitoring device, accurate, conveniently rectify smoke monitoring device's measuring result.
Preferably, the continuous smoke evacuation system further comprises: a gas source configured to generate the reference gas having a known composition and connected to the second gas introduction port to introduce the reference gas into the smoke monitoring chamber.
Therefore, the utility model relates to a continuous smoke discharging system has realized utilizing to carry reference gas and measure the difference of its component information and the known component information of reference gas in single gas monitoring room to realize under the condition of not dismantling continuous smoke discharging system's smoke monitoring device, accurate, conveniently rectify smoke monitoring device's measuring result.
Preferably, the switching valve of the continuous smoke discharging system is configured as a first switching state in which the corrector corrects the composition information of the gas and a second switching state in which the corrector does not correct the composition information of the gas, the first switching state corresponding to the switching valve closing a first gas introduction port, opening a second gas introduction port, and introducing the reference gas into the smoke monitoring chamber when the corrector corrects the composition information of the gas, the second switching state corresponding to the switching valve closing a second gas introduction port, opening the first gas introduction port, and introducing the gas to be measured into the smoke monitoring chamber when the corrector does not correct the composition information of the gas.
Therefore, the utility model relates to a continuous smog discharge system has realized utilizing smog monitoring device to measure its component information and this value and the difference of the known component information of reference gas in single gaseous monitoring room, realizes under the smog monitoring device's of not dismantling continuous smog discharge system the condition, and accurate, conveniently rectify smog monitoring device's measuring result.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein the content of the first and second substances,
FIG. 1 is a schematic diagram illustrating a gas analysis apparatus according to an exemplary embodiment;
FIG. 2 is a schematic diagram illustrating a continuous smoke evacuation system according to an exemplary embodiment;
fig. 3 is a schematic diagram illustrating a measurement curve I for sensing a reference gas and a reference curve II for the reference gas according to an exemplary embodiment.
Description of reference numerals:
10: gas analysis device
100: gas monitoring chamber
101: gas introducing port to be measured
102: gas discharge port
103: reference gas introduction port
110: infrared emitter
111: infrared receiver
112: infrared controller
113: analog-to-digital converter
114: data processor
115: display device
120: correcting unit
130: gas source
20: continuous smoke exhaust system
200: smoke monitoring chamber
201: gas introducing port to be measured
202: smoke exhaust port
203: reference gas introduction port
210: infrared emitter
211: infrared receiver
212: infrared controller
213: analog-to-digital converter
214: data processor
215: display device
220: correcting unit
230: gas source
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, in which like reference numerals refer to like parts in the drawings.
Fig. 1 is a schematic diagram illustrating a gas analysis apparatus according to an exemplary embodiment.
As shown in fig. 1, the gas analysis apparatus 10 may include: a gas monitoring chamber 100, a gas monitoring device, a calibrator 120, a gas source 130, and a switching valve.
The gas monitoring chamber 100 may include: a test gas inlet 101, a gas outlet 102, and a reference gas inlet 103. The gas introduction port 101 may be provided to introduce a gas to be measured into the gas monitoring chamber 100 for measurement. The reference gas introduction port 103 can introduce a reference gas having a known composition into the gas monitoring chamber 100 for measurement. Gas flowing through the gas monitoring chamber 100 may exit the gas monitoring chamber 100 through a gas exhaust 102.
The gas monitoring device may include: an infrared emitter 110, an infrared receiver 111, an infrared controller 112, an analog-to-digital converter 113, a data processor 114, and a display 115.
The infrared emitter 110 may be disposed at one side of the gas monitoring chamber 100 to irradiate the gas flowing through the gas monitoring chamber 100. An infrared receiver 111 may be disposed opposite the infrared emitter 110 at the other side of the gas monitoring chamber 100 to receive the infrared rays emitted from the infrared emitter 110 toward the gas monitoring chamber 100. The infrared receiver 111 may generate an electrical signal after receiving the infrared rays passing through the gas in the gas monitoring chamber 100, and the electrical signal may serve as a sensing signal.
The analog/digital converter 113 may be connected to the infrared receiver 111, and convert a sensing signal generated after the infrared received by the infrared receiver 111 into a digital signal.
The data processor 114 may be connected to the analog/digital converter 113 to convert the sensing signal into an energy value, which is the energy received by the infrared receiver 111. The data processor 114 may be configured to calculate the impairment between the transmitted energy of the infrared transmitter 110 and the amount of energy received by the infrared receiver 111 to determine the composition information of the gas. One skilled in the art can easily think of calculating the concentration value of a certain gas molecule in the gas according to the subtraction value between the emission energy of the infrared emitter 110 and the energy received by the infrared receiver 111 by using the lambert-beer law, for example.
The infrared controller 112 may be configured to adjust the infrared spectrum emitted by the infrared emitter 110 to enable measurement of concentration values of several gas molecules in the gas to enable measurement of gas components. For example, one skilled in the art will readily recognize that the infrared absorption spectrum of, for example, carbon dioxide is at about a 4.2 micron infrared wavelength.
A display 115 may be provided in connection with the data processor 114 to display information of the composition of the measured gas.
The corrector 120 may be configured to be connected to the data processor 114 in the gas monitoring apparatus and configured to correct the component information of the gas sensed by the gas monitoring apparatus based on a difference between the sensed component information of the reference gas and the known component information of the reference gas as an offset of the component information of the gas measured by the gas monitoring apparatus. When the calibrator 120 calibrates the composition information of the gas sensed by the gas monitoring apparatus, the gas introduction port 101 to be measured may be closed and the reference gas introduction port 103 may be opened.
And the switching valve can close the gas inlet 101 to be tested and open the reference gas inlet 103 when the corrector 120 corrects the component information of the gas sensed by the gas monitoring device. When the calibrator 120 does not calibrate the composition information of the gas sensed by the gas detection device, the switching valve may close the reference gas introduction port 103 and open the gas-to-be-measured introduction port 101 to enable continuous measurement of the gas-to-be-measured by the gas detection device. The switching valve may be a valve provided in the reference gas introduction port 103 and the sample gas introduction port 101 to open and close the sample gas introduction port 101 and the reference gas introduction port 103.
Fig. 2 is a schematic diagram illustrating a continuous smoke evacuation system according to an exemplary embodiment.
As shown in fig. 2, the continuous smoke evacuation system 20 may include: a smoke monitoring chamber 200, a smoke vent 202, a smoke monitoring device, a calibrator 220, a gas source 230, and a switching valve.
The smoke monitoring chamber 200 may comprise: a gas inlet 201 for measurement, and a reference gas inlet 203. The gas introduction port 201 may be provided to introduce the gas to be measured into the smoke monitoring chamber 200 for measurement. The reference gas inlet 203 may introduce a reference gas having a known composition into the smoke monitoring chamber 200 for measurement.
The smoke discharge port 202 communicates with the smoke monitoring chamber 200, and gas introduced into the smoke monitoring chamber 200 through the gas-to-be-measured inlet port 201 or the reference gas inlet port 203 is discharged from the smoke discharge port 202 to the outside.
The smoke monitoring device may comprise: an infrared transmitter 210, an infrared receiver 211, an infrared controller 212, an analog-to-digital converter 213, a data processor 214, and a display 215.
An infrared emitter 210 may be provided on one side of the smoke monitoring chamber 200 to illuminate the gas flowing through the smoke monitoring chamber 200. An infrared receiver 211 may be located on the other side of the smoke monitoring chamber 200 opposite the infrared transmitter 210 to receive infrared light transmitted from the infrared transmitter 210 to the smoke monitoring chamber 200. The infrared receiver 211, upon receiving infrared light through the gas within the smoke monitoring chamber 200, may generate an electrical signal, which may serve as a sensing signal.
The analog/digital converter 213 may be connected to the infrared receiver 211, and convert a sensing signal generated after the infrared received by the infrared receiver 211 into a digital signal. The analog/digital converter 213 sends the digital signal to the data processor 214, and the data processor 214 processes the digital signal to obtain the composition information of the gas.
The data processor 214 may be connected to the analog/digital converter 213 to convert the sensing signal into an energy value, which is the energy received by the infrared receiver 211. The data processor 214 may be configured to calculate a loss between the transmitted energy of the infrared transmitter 210 and the amount of energy received by the infrared receiver 211 to determine constituent information of the gas. One skilled in the art can readily appreciate that the concentration value of a certain gas molecule in the gas is calculated from the subtraction value between the emission energy of the infrared emitter 210 and the energy received by the infrared receiver 211 using, for example, lambert-beer's law.
The infrared controller 122 may be configured to adjust the infrared spectrum emitted by the infrared emitter 210 to enable measurement of concentration values of several gas molecules in the gas to enable measurement of gas components. For example, one skilled in the art will readily recognize that the infrared absorption spectrum of, for example, carbon dioxide is at about a 4.2 micron infrared wavelength.
A display 215 may be provided in connection with the data processor 214 to display information on the composition of the measured gas.
The corrector 220 may be arranged in connection with the data processor 214 in the smoke monitoring apparatus and configured to use the difference between the sensing of the constituent information of the reference gas and the known constituent information of the reference gas as an offset of the constituent information of the gas measured by the smoke monitoring apparatus and to correct the offset as the constituent information of the gas sensed by the smoke monitoring apparatus. When the calibrator 220 calibrates the composition information of the gas sensed by the smoke monitoring apparatus, the gas introduction port 201 to be measured may be closed, and the reference gas introduction port 203 may be opened.
The switching valve can close the gas inlet 201 to be tested and open the reference gas inlet 203 when the corrector 220 corrects the component information of the gas sensed by the smoke monitoring device. When the calibrator 220 does not calibrate the composition information of the gas sensed by the gas detection apparatus, the switching valve may close the reference gas introduction port 203 and open the gas-to-be-measured introduction port 201 to enable continuous measurement of the gas-to-be-measured by the gas detection apparatus. The switching valve may be a valve provided in the reference gas introduction port 203 and the sample gas introduction port 201 to open and close the sample gas introduction port 201 and the reference gas introduction port 203.
Fig. 3 is a schematic diagram illustrating a measurement curve I for sensing a reference gas and a reference curve II for the reference gas according to an exemplary embodiment.
As shown in fig. 3, a curve I is a graph of a gas monitoring apparatus measuring one gas molecule of the reference gas in the gas monitoring chamber 100, the horizontal axis represents the concentration of the gas molecule, and the vertical axis represents measurement information such as time or temperature. Gas source 130 may be configured to gradually increase the concentration of the gas molecules of the gas flowing through gas monitoring chamber 100 over time. The concentration information of the gas molecules corresponding to the four points (A, B, C, D) in curve I is selected. Curve II is a reference curve for a reference gas, and the (a ', B', C ', D') corresponding to (A, B, C, D) on curve II represents the actual concentration of the gas molecules. The concentration values represented by the midpoint E of (A, B, C, D) and the corresponding point E ' on (a ', B ', C ', D ') may be taken, and the difference between the concentration values may be used as the offset of the component information measurement value of the gas molecule or gas and the component information of the gas molecule or gas of known component by the gas monitoring device, and the offset may be used as the component information of the gas molecule or gas sensed by the gas monitoring device by the corrector 120.
It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any equivalent changes, modifications and combinations that may be made by those skilled in the art without departing from the spirit and principles of the invention should be considered within the scope of the invention.
Claims (17)
1. A gas analysis apparatus, comprising:
a gas monitoring chamber, the gas monitoring chamber comprising: a first gas introduction port configured to introduce a gas to be measured into the gas monitoring chamber through the first gas introduction port, and a second gas introduction port configured to introduce a reference gas having a known composition into the gas monitoring chamber;
a gas monitoring device configured to sense gas flowing through the gas monitoring chamber, and acquire composition information of the gas;
and a switching valve configured to open and close the first and second gas introduction ports,
wherein the gas monitoring device is configured to sense the gas to be measured filled in the gas monitoring chamber after the switching valve opens the first gas introduction port and closes the second gas introduction port,
the gas monitoring device is configured to sense the reference gas filled in the gas monitoring chamber after the switching valve closes the first gas introduction port and opens the second gas introduction port.
2. The gas analysis apparatus of claim 1, further comprising: a corrector connected to the gas monitoring device and configured to determine an offset amount from the composition information of the reference gas sensed by the gas monitoring device and the known composition information of the reference gas, the corrector correcting the composition information of the gas sensed by the gas monitoring device in accordance with the offset amount.
3. The gas analysis apparatus of claim 1, wherein the gas monitoring apparatus comprises:
an infrared emitter configured to emit infrared light to the gas flowing through the gas monitoring chamber;
an infrared receiver configured to be disposed opposite to the infrared transmitter and to generate a sensing signal upon receiving infrared rays passing through the gas inside the gas monitoring chamber.
4. The gas analysis device of claim 3, wherein the gas monitoring device further comprises: a data processor configured to convert the sensing signal into an energy value received by the infrared receiver, calculate an attenuation of the energy value received by the infrared receiver and the emission energy value of the infrared emitter to obtain the composition information of the gas.
5. A gas analysis apparatus according to any one of claims 3 or 4, wherein the gas monitoring apparatus comprises: and the infrared control device is configured to be connected with the infrared emitter so as to adjust the spectrum of the infrared emitted by the infrared emitter.
6. The gas analysis device of claim 4, wherein the gas monitoring device further comprises: an analog-to-digital converter configured to be connected to the infrared receiver and convert the sensing signal into a digital signal, the analog-to-digital converter transmitting the digital signal to the data processor, the digital signal being processed by the data processor to obtain composition information of the gas.
7. The gas analysis apparatus according to any one of claims 1 to 4, further comprising: a gas source configured to generate the reference gas having a known composition and coupled to the second gas introduction port to introduce the reference gas into the gas monitoring chamber.
8. The gas analysis apparatus according to any one of claims 1 to 4, further comprising: a switching valve configured to be a first switching state in which the corrector corrects the composition information of the gas and a second switching state in which the corrector does not correct the composition information of the gas,
when the calibrator calibrates the composition information of the gas, the first switching state corresponds to the switching valve closing the first gas introduction port, opening the second gas introduction port, introducing the reference gas into the gas monitoring chamber,
when the calibrator does not calibrate the component information of the gas, the second switching state corresponds to the switching valve closing the second gas introduction port, opening the first gas introduction port, and introducing the gas to be measured into the gas monitoring chamber.
9. The gas analysis apparatus of any one of claims 1-4, wherein the gas monitoring chamber further comprises: a gas discharge port configured to communicate with the gas monitoring chamber and discharge a gas introduced into the gas monitoring chamber through the first gas introduction port or the second gas introduction port.
10. A continuous fume evacuation system, comprising:
a smoke monitoring chamber, the smoke monitoring chamber comprising: a first gas introduction port configured to introduce a gas to be measured into the smoke monitoring chamber through the first gas introduction port, a second gas introduction port configured to introduce a reference gas having a known composition into the smoke monitoring chamber,
and a smoke discharge port configured to communicate with the smoke monitoring chamber, for discharging a gas introduced into the smoke monitoring chamber through the first gas introduction port or the second gas introduction port to the outside;
a smoke monitoring device configured to sense gas flowing through the smoke monitoring chamber, to obtain constituent information of the gas;
and a switching valve configured to open and close the first and second gas introduction ports,
wherein the smoke monitoring device is configured to sense the gas to be measured flowing through the smoke monitoring chamber after the switching valve opens the first gas introduction port and closes the second gas introduction port,
the smoke monitoring device is configured to sense the reference gas flowing through the smoke monitoring chamber after the switching valve closes the first gas introduction port and opens the second gas introduction port.
11. The continuous smoke evacuation system of claim 10 further comprising: a corrector connected to the smoke monitoring device and configured to determine an offset from the composition information of the reference gas sensed by the smoke monitoring device and the known composition information of the reference gas, the corrector correcting the composition information of the gas sensed by the smoke monitoring device in accordance with the offset.
12. The continuous smoke evacuation system of claim 10, wherein said smoke monitoring device comprises:
an infrared emitter configured to emit infrared light to gas flowing through the smoke monitoring chamber;
an infrared receiver configured to be disposed opposite the infrared transmitter and to generate a sensing signal upon receiving infrared light passing through the gas within the smoke monitoring chamber.
13. The continuous smoke evacuation system of claim 12, wherein said smoke monitoring device further comprises: a data processor configured to convert the sensing signal into an energy value received by the infrared receiver, calculate an attenuation of the energy value received by the infrared receiver and the emission energy value of the infrared emitter to obtain the composition information of the gas.
14. A continuous smoke evacuation system as claimed in any one of claims 12 or 13 wherein said smoke monitoring means comprises: and the infrared control device is configured to be connected with the infrared emitter so as to adjust the spectrum of the infrared emitted by the infrared emitter.
15. The continuous smoke evacuation system of claim 13, wherein said smoke monitoring device further comprises: an analog-to-digital converter configured to be connected to the infrared receiver, wherein the analog-to-digital converter converts the sensing signal into a digital signal, and then transmits the digital signal to the data processor, and the data processor processes the digital signal to obtain the composition information of the gas.
16. The continuous smoke evacuation system of any one of claims 10 to 13 further comprising: a gas source configured to generate the reference gas having a known composition and connected to the second gas introduction port to introduce the reference gas into the smoke monitoring chamber.
17. The continuous smoke evacuation system of any one of claims 10 to 13 further comprising: a switching valve configured to be a first switching state in which the corrector corrects the composition information of the gas and a second switching state in which the corrector does not correct the composition information of the gas,
when the corrector corrects the composition information of the gas, the first switching state corresponds to the switching valve closing the first gas introduction port, opening the second gas introduction port, introducing the reference gas into the smoke monitoring chamber,
when the corrector does not correct the component information of the gas, the second switching state corresponds to the switching valve closing the second gas inlet, opening the first gas inlet, and introducing the gas to be detected into the smoke monitoring chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625357.3U CN211927687U (en) | 2019-09-26 | 2019-09-26 | Gas analysis device and continuous smoke discharge system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921625357.3U CN211927687U (en) | 2019-09-26 | 2019-09-26 | Gas analysis device and continuous smoke discharge system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211927687U true CN211927687U (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921625357.3U Expired - Fee Related CN211927687U (en) | 2019-09-26 | 2019-09-26 | Gas analysis device and continuous smoke discharge system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211927687U (en) |
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2019
- 2019-09-26 CN CN201921625357.3U patent/CN211927687U/en not_active Expired - Fee Related
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