CN115078193A - Corrosive gas concentration monitoring system and method - Google Patents
Corrosive gas concentration monitoring system and method Download PDFInfo
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- CN115078193A CN115078193A CN202110281350.XA CN202110281350A CN115078193A CN 115078193 A CN115078193 A CN 115078193A CN 202110281350 A CN202110281350 A CN 202110281350A CN 115078193 A CN115078193 A CN 115078193A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/1702—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids
- G01N2021/1704—Systems in which incident light is modified in accordance with the properties of the material investigated with opto-acoustic detection, e.g. for gases or analysing solids in gases
Abstract
The application relates to a corrosive gas concentration monitoring system and a method, belonging to the technical field of corrosive gas concentration monitoring. The application provides a corrosive gas concentration monitoring system, includes: a corrosive gas monitoring device and an outdoor particulate matter concentration monitoring device; the control device can send an outdoor overproof early warning signal when the corrosive gas monitoring device monitors that the outdoor corrosive gas concentration exceeds an outdoor corrosive gas concentration threshold and/or the outdoor particulate matter concentration monitoring device monitors that the outdoor particulate matter concentration exceeds an outdoor particulate matter concentration threshold; the air conditioning equipment can respond to the outdoor overproof early warning signal and close the fresh air inlet. The application also provides a corrosive gas concentration monitoring method. The corrosive gas concentration monitoring system is used for monitoring the atmospheric environment of a precise environment, and a fresh air inlet of the air conditioning equipment can be cut off after the outdoor air exceeds the standard, so that the indoor environment is protected at the first time.
Description
Technical Field
The application relates to the technical field of corrosive gas concentration monitoring, in particular to a corrosive gas concentration monitoring system and a corrosive gas concentration monitoring method.
Background
The atmosphere contains corrosive gases such as sulfur-containing compounds, nitrogen-containing compounds, halogen-containing compounds, and ozone, and the concentration of these corrosive gases is ppb level, but the corrosion of precision equipment and the like can be destroyed by the accumulation of the elapsed time. In some environments with severe requirements on the concentration of corrosive gases, such as data centers, museums, precious cultural relic showcases and the like, the requirements on the concentration of humidity, temperature, illumination and polluted gases are severe in order to slow down the occurrence of the corrosion process.
However, the existing corrosive gas concentration monitoring system has hysteresis and cannot play a role of early warning. When the concentration of corrosive gas is monitored to reach a threshold value, corrosion often already occurs, which does not serve to mitigate corrosion.
Disclosure of Invention
Therefore, the monitoring control system and method for the corrosive gas can monitor the concentration of the corrosive gas and start the early warning module when the concentration of the corrosive gas exceeds a threshold value, and cut off a fresh air inlet of air conditioning equipment, so that the concentration of the corrosive gas in the environment can be well controlled, and the occurrence of a corrosion process is slowed down.
Some embodiments of the present application provide a corrosive gas concentration monitoring system, comprising: the corrosive gas concentration monitoring module comprises a first gas inlet channel, a corrosive gas monitoring device and an exhaust channel which are sequentially connected, wherein the first gas inlet channel is communicated with the outdoor environment; the outdoor particulate matter concentration monitoring module comprises an outdoor air inlet channel, an outdoor particulate matter concentration monitoring device and an outdoor exhaust channel which are connected in sequence, wherein the outdoor particulate matter concentration monitoring device is used for monitoring the outdoor particulate matter concentration; the control device is electrically connected with the corrosive gas monitoring device and the outdoor particulate matter concentration monitoring device, and an outdoor corrosive gas concentration threshold value and an outdoor particulate matter concentration threshold value are preset in the control device; when the corrosive gas monitoring device monitors that the outdoor corrosive gas concentration exceeds the outdoor corrosive gas concentration threshold and/or the outdoor particulate matter concentration monitoring device monitors that the outdoor particulate matter concentration exceeds the outdoor particulate matter concentration threshold, the control device can send an outdoor exceeding early warning signal; and the air conditioning equipment can respond to the outdoor overproof early warning signal and close a fresh air inlet.
The corrosive gas concentration monitoring system in the embodiment of the application is used for monitoring the atmospheric environment of a precise environment, a fresh air inlet of the air conditioning equipment can be cut off after the concentration of the corrosive gas and/or the concentration of the particulate matters in outdoor air exceeds the standard, and the outdoor air with the concentration of the corrosive gas and/or the concentration of the particulate matters exceeding the standard cannot be continuously sent into a room by the air conditioning equipment, so that the indoor environment is protected at the first time.
In addition, the corrosive gas concentration monitoring system according to the embodiment of the application has the following additional technical characteristics:
according to some embodiments of the present application, the corrosive gas concentration monitoring module comprises: and the second air inlet channel is communicated with the indoor environment, is connected with the first air inlet channel in parallel and is connected with the corrosive gas monitoring device through the air passage switching device. By using the corrosive gas monitoring device together, the corrosive gas concentration monitoring module can be used for selectively monitoring the concentration of the corrosive gas in the indoor environment or the outdoor environment, and the structure of the corrosive gas concentration monitoring module is simplified.
According to some embodiments of the present application, the corrosive gas concentration monitoring module further comprises: and the water vapor and carbon dioxide detection device is used for detecting the concentration of the water vapor and the carbon dioxide contained in the gas monitored by the corrosive gas monitoring device.
According to some embodiments of the present application, the corrosive gas monitoring apparatus comprises a plurality of corrosive gas monitoring units connected in series. The multiple corrosive gas monitoring units are connected in series, so that the sampling gas quantity can be increased, and the detection precision is better.
According to some embodiments of the application, the corrosive gas monitoring unit further comprises: and the constant temperature device is used for providing a constant temperature environment for the corrosive gas monitoring unit.
According to some embodiments of the present application, the corrosive gas concentration monitoring system further comprises: indoor particulate matter concentration monitoring module, including consecutive indoor inlet channel, indoor particulate matter concentration monitoring devices and indoor exhaust passage, indoor particulate matter concentration monitoring devices is used for monitoring indoor particulate matter concentration.
According to some embodiments of the present application, the indoor particulate matter concentration monitoring device is a particle counter to be more suitable for clean environments.
According to some embodiments of the present application, the outdoor particulate matter concentration monitoring device is a light scattering PM2.5 and PM10 particulate matter detector. By detecting the concentration levels of PM2.5 and PM10 particulate matter, the outdoor environment particulate matter concentration level can be objectively reflected.
According to some embodiments of the application, the corrosive gas monitoring unit is a laser photoacoustic spectrometer, has high detection precision, and is stable and reliable.
Some embodiments of the present application also provide a corrosive gas concentration monitoring method, including; the outdoor corrosive gas concentration and the particulate matter concentration are monitored in real time, when at least one of the outdoor corrosive gas concentration and the particulate matter concentration exceeds a preset threshold value, the control device sends an outdoor exceeding early warning signal, and the air conditioning equipment can respond to the outdoor exceeding early warning signal and close a fresh air inlet.
By using the corrosive gas concentration monitoring method in the embodiment of the application, the fresh air inlet of the air conditioning equipment can be automatically closed when the outdoor environment exceeds the standard, and the outdoor air with the corrosive gas concentration and/or the particulate matter concentration exceeding the standard cannot be continuously sent into the room by the air conditioning equipment, so that the indoor environment is protected at the first time.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
FIG. 1 is a schematic diagram of a corrosive gas concentration monitoring system provided in an embodiment of the present application;
fig. 2 is a schematic diagram of an operation of a control device in the corrosive gas concentration monitoring system according to the embodiment of the present disclosure.
Icon: 100-a corrosive gas concentration monitoring system; 10-a corrosive gas concentration monitoring module; 11-a first air intake passage; 12-a second intake passage; 13-a corrosive gas monitoring device; 131-a corrosive gas monitoring unit; 14-an exhaust channel; 15-an airway switching device; 16-a thermostatic device; 17-water vapor and carbon dioxide detection means; 18-a gas pretreatment device; 20-outdoor particulate matter concentration monitoring module; 21-outdoor air intake channel; 22-outdoor particulate matter concentration monitoring device; 23-outdoor exhaust channel; 30-indoor particulate matter concentration monitoring module; 31-indoor intake passage; 32-indoor particulate matter concentration monitoring device; 33-indoor exhaust duct; 40-a control device; 50-air conditioning equipment; 51-an air conditioner controller; 52-fresh air inlet; 53-a valve; 61-indoor air standard exceeding warning device; and 62, an outdoor air standard exceeding warning device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. 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.
Referring to fig. 1 and 2, a corrosive gas concentration monitoring system 100 according to an embodiment of the present disclosure includes a corrosive gas concentration monitoring module 10, an outdoor particulate matter concentration monitoring module 20, a control device 40, and an air conditioning unit 50. The corrosive gas concentration monitoring module 10 comprises a first air inlet channel 11, a corrosive gas monitoring device 13 and an exhaust channel 14 which are connected in sequence, wherein the first air inlet channel 11 and the exhaust channel are both communicated with the outdoor environment. The outdoor particulate matter concentration monitoring module 20 comprises an outdoor air inlet channel 21, an outdoor particulate matter concentration monitoring device 22 and an outdoor exhaust channel 23 which are connected in sequence, wherein the outdoor particulate matter concentration monitoring device 22 is used for monitoring the outdoor particulate matter concentration. The control device 40 is electrically connected with the corrosive gas monitoring device 13 and the outdoor particulate matter concentration monitoring device 22, and the outdoor corrosive gas concentration threshold A1 and the outdoor particulate matter concentration threshold B1 are preset in the control device 40. When the corrosive gas monitoring device 13 monitors that P1 is not less than A1 and/or the outdoor particulate matter monitoring device 22 monitors that Q1 is not less than B1, the control device 40 can send an outdoor overproof early warning signal, and the air conditioning equipment 50 can respond to the outdoor overproof early warning signal and close the fresh air inlet.
By using the corrosive gas concentration monitoring system 100 in the embodiment of the present application to monitor the atmospheric environment around the precision environment, the fresh air inlet 52 of the air conditioning equipment 50 can be cut off after the concentration of the corrosive gas and/or the concentration of the particulate matter in the outdoor air exceeds the standard, and the outdoor air with the concentration of the corrosive gas and/or the concentration of the particulate matter exceeding the standard cannot be continuously sent into the room by the air conditioning equipment 50, so that the indoor environment is protected in the first time.
The following describes the structure and interconnection of each device of the corrosive gas concentration monitoring system 100 according to the embodiment of the present application.
In the description of the present application, the indoor environment is a data center in which many servers and other electronic devices are stored, and the concentration of corrosive gases and the concentration of particulate matters in the indoor environment affect the reliability and the service life of the servers and other electronic devices.
In other embodiments, the indoor environment may also be a museum, an archive, a cultural relic showcase, a munitions storage, a computer room, a clean environment of advanced manufacturing industry or a laboratory, etc.
In the description of the present application, outdoor environment refers to an atmospheric environment.
In other embodiments, an outdoor environment may also refer to an internal environment outside of an indoor environment.
The corrosive gas concentration monitoring module 10 is used for sampling gas at regular time and detecting the concentration of the corrosive gas.
The corrosive gas concentration monitoring module 10 comprises a first air inlet channel 11, a corrosive gas monitoring device 13 and an exhaust channel 14 which are connected in sequence, wherein the first air inlet channel 11 is communicated with the outdoor environment.
Further, the corrosive gas concentration monitoring module 10 further includes a second intake passage 12 and a passage switching device 15. The second air inlet channel 12 is communicated with the indoor environment, and the second air inlet channel 12 is connected with the first air inlet channel 11 in parallel and is connected with the corrosive gas monitoring device 13 through the air channel switching device 15.
Can link to each other the inlet end of corrosive gas monitoring devices 13 with one in first inlet channel 11 and the second inlet channel 12 through gas flue auto-change over device 15, link to each other first inlet channel 11, second inlet channel 12 alternative with corrosive gas monitoring devices 13 in turn, use corrosive gas monitoring devices 13 independently to carry out the detection of corrosive gas concentration in the gas of indoor environment or outdoor environment. By using the corrosive gas monitoring device 13 together, the corrosive gas concentration monitoring module 10 can be used to selectively monitor the concentration of the corrosive gas in the indoor environment or the outdoor environment, thereby simplifying the structure of the corrosive gas concentration monitoring module 10.
The gas channel switching device 15 may be an electrically controlled three-way valve, the three interfaces are respectively connected to the gas inlet end of the corrosive gas monitoring device 13, the first gas inlet channel 11 and the second gas inlet channel 12, and the electrically controlled three-way valve is electrically connected to the control device 40. The air passage switching device 15 may also include two electrically operated valves respectively disposed in the first air intake passage 11 and the second air intake passage 12, so as to enable the first air intake passage 11 and the second air intake passage 12 to alternatively communicate with the corrosive gas monitoring device 13.
In other embodiments, an independent corrosive gas concentration detection module applied to the indoor environment may be further provided to increase the frequency of monitoring the corrosive gas concentration in the indoor environment by the corrosive gas concentration monitoring system 100, thereby improving the reliability of monitoring.
In some embodiments of the present application, the corrosive gas monitoring apparatus 13 includes a plurality of corrosive gas monitoring units 131, and the plurality of corrosive gas monitoring units 131 are connected in series.
For example, the plurality of corrosive gas monitoring units 131 includes five corrosive gas monitoring units 131, five corrosive gas monitoring units 131 are connected in series, and the five corrosive gas monitoring units 131 are respectively corresponding to H 2 S、SO 2 、HCl、NO 2 、O 3 The concentration of the corrosive gas is detected, each corrosive gas is correspondingly provided with a threshold, and if the concentration of more than one corrosive gas exceeds the standard, the concentration of the corrosive gas in the gas is judged to exceed the standard.
In other embodiments, multiple corrosive gas monitoring units 131 may be connected in parallel, and the detection of multiple corrosive gases may be performed simultaneously, so as to increase the detection speed.
In some embodiments of the present application, the corrosive gas monitoring unit 131 is a laser photoacoustic spectrometer, which has high detection precision and is stable and reliable.
In other embodiments, the corrosive gas monitoring unit 131 may also be an electrochemical detector, an ultraviolet fluorescence detector, a gas chromatography detector, or the like.
Optionally, each corrosive gas monitoring unit 131 further comprises a thermostat 16 for providing a constant temperature environment for the corrosive gas monitoring unit 131.
By providing the thermostat device 16, the corrosive gas monitoring means 131 can detect the corrosive gas in a constant temperature environment, and the detection accuracy can be improved.
In the description of the present application, the constant temperature environment refers to that the environmental temperature of the corrosive gas monitoring unit 131 is within a preset interval range, and when the environmental temperature is lower than or higher than the preset interval range, the constant temperature device 16 is started to heat or cool the environmental temperature, so that the environmental temperature is restored to be within the preset interval range.
The thermostat device 16 may be a common air conditioner, and an aquifer may be disposed outside the corrosive gas monitoring unit 131, so as to control the temperature of water in the aquifer to ensure that the corrosive gas monitoring unit 131 is in a constant temperature environment.
Optionally, each corrosive gas monitoring unit 131 further comprises a moisture and carbon dioxide detecting means 17 for detecting the concentration of moisture and carbon dioxide contained in the gas monitored in the corrosive gas monitoring unit 131.
Through setting up steam and carbon dioxide detection device 17, can detect the concentration of steam and carbon dioxide that contain in the gas, through signal processing, and then reduce in the gas steam and carbon dioxide to the interference of corrosive gas concentration's testing result.
Optionally, the corrosive gas concentration monitoring module 10 further comprises a gas pretreatment device 18 connected between the gas passage switching device 15 and the corrosive gas monitoring device 13 for filtering the gas entering the corrosive gas monitoring device 13.
Through setting up gaseous preprocessing device 18, can tentatively purify the gas that gets into corrosive gas monitoring devices 13, avoid great impurity to get into corrosive gas monitoring devices 13 in order to cause the equipment to damage.
For example, the gas pretreatment device 18 may be a screen or other form of device that treats only gases physically.
The outdoor particulate matter concentration monitoring module 20 is used to monitor the particulate matter concentration of the outdoor environment.
The outdoor particulate matter concentration monitoring module 20 comprises an outdoor air inlet channel 21, an outdoor particulate matter concentration monitoring device 22 and an outdoor exhaust channel 23 which are connected in sequence, wherein the outdoor particulate matter concentration monitoring device 22 is used for monitoring the particulate matter concentration of the outdoor environment.
In some embodiments of the present application, the outdoor particulate matter concentration monitoring device 22 is a light scattering PM2.5 and PM10 particulate matter detector, and can objectively reflect the outdoor environmental particulate matter concentration level by detecting the concentration levels of PM2.5 and PM10 particulate matter.
In other embodiments, other indexes can be used for judging the concentration level of the particulate matter in the outdoor environment, and corresponding detection equipment is arranged.
Optionally, the corrosive gas concentration monitoring system 100 further includes an indoor particulate matter concentration monitoring module 30, which includes an indoor air intake channel 31, an indoor particulate matter concentration monitoring device 32 and an indoor exhaust channel 33 connected in sequence, where the indoor particulate matter concentration monitoring device 32 is configured to monitor the indoor particulate matter concentration.
Through detecting the particulate matter concentration in the indoor environment, can accurately learn the particulate matter concentration level in the indoor ambient air.
In some embodiments of the present application, the indoor particulate matter concentration monitoring device 32 is a particle counter, which is more suitable for clean environments.
In other embodiments, the indoor particulate matter concentration monitoring device 32 can also be the same as the outdoor particulate matter concentration monitoring device 22.
The control device 40 is electrically connected with the indoor particulate matter concentration monitoring device 32, and the corrosive gas concentration monitoring system 100 further comprises an indoor air overproof warning device 61 and an outdoor air overproof warning device 62 which are connected with the control device 40.
Wherein, the control device 40 is preset with a chamber corrosive gas concentration threshold A2 and a chamber particulate matter concentration threshold B2. When the corrosive gas monitoring device 13 monitors that the concentration of the corrosive gas in the room is P2, and the concentration of the particulate matters in the room monitored by the indoor particulate matter monitoring device is Q2, when the corrosive gas monitoring device 13 monitors that P2 is not less than A2 and/or when the indoor particulate matter monitoring device 32 monitors that Q2 is not less than B2, the control device 40 can send an indoor exceeding warning signal, and the indoor air exceeding warning device 61 responds and warns workers that the concentration of the corrosive gas and/or the particulate matters in the indoor air exceeds the standard.
Similarly, the outdoor air excessive warning device 62 can respond to the outdoor excessive warning signal to warn the worker that the corrosive gas and/or the particulate matters in the outdoor air are excessive.
Alternatively, in order to facilitate sampling of the gas, the first intake passage 11, the second intake passage 12, the outdoor intake passage 21, and the indoor intake passage 31 may be equipped with a blower that facilitates the flow of the gas.
The air conditioning equipment 50 is a common central air conditioner or a wall-mounted or floor-mounted air conditioner, the air conditioning equipment 50 includes an air conditioning controller 51, a fresh air inlet 52 and a valve 53, the air conditioning controller 51 is electrically connected with the control device 40, and the valve 53 is disposed at the fresh air inlet 52 and electrically connected with the air conditioning controller 51.
When the control device 40 sends the outdoor excessive warning signal, the air conditioner controller 51 receives the outdoor excessive warning signal and controls the valve 53 to close the fresh air inlet, so as to prevent outdoor air from entering the room.
The embodiment of the application also provides a corrosive gas concentration monitoring method, which comprises the following steps of; the outdoor corrosive gas concentration and the particulate matter concentration are monitored in real time, when at least one of the outdoor corrosive gas concentration and the particulate matter concentration is monitored to exceed a preset threshold value, the control device sends an outdoor exceeding early warning signal, and the air conditioning equipment can respond to the outdoor exceeding early warning signal and close a fresh air inlet.
The following describes specific steps of the corrosive gas concentration monitoring method in detail by taking the corrosive gas concentration monitoring system 100 in the embodiment of the present application as an example, but the implementation of the method is not limited to the use of the corrosive gas concentration monitoring system 100.
The corrosive gas concentration monitoring method comprises the following steps:
the control device 40 controls the air channel switching device 15 to switch once every preset unit time, the corrosive gas monitoring device 13 performs corrosive gas concentration detection once after switching the air channel every time, so as to detect the corrosive gas concentrations of indoor and outdoor environments in turn, the detected outdoor corrosive gas concentration is P1, the indoor corrosive gas concentration is P2, and a signal representing P1 or P2 is sent to the control device 40 in real time;
the outdoor particulate matter concentration monitoring device 22 detects the particulate matter concentration of the outdoor environment once every preset unit time, defines the monitored outdoor particulate matter concentration as Q1, and immediately sends a signal representing Q1 to the control device 40;
the indoor particulate matter concentration monitoring device 32 detects the particulate matter concentration of the indoor environment once every preset unit time, the monitored particulate matter concentration is defined as Q2, and a signal representing Q2 is sent to the control device 40 in real time;
the control device 40 is preset with an outdoor corrosive gas concentration threshold A1, an indoor corrosive gas concentration threshold A2, an outdoor particulate matter concentration threshold B1 and an indoor particulate matter concentration threshold B2, and the control device 40 compares P1 and A1, P2 and A2, Q1 and B1 and Q2 and B2 in real time;
when the control device 40 detects that P1 is more than or equal to one of A1 and Q1 is more than or equal to B1, or P1 is more than or equal to A1 and Q1 is more than or equal to B1, the control device 40 judges that the outdoor environment exceeds the standard and sends an outdoor standard exceeding early warning signal;
the outdoor air standard exceeding warning device 62 can respond to the outdoor standard exceeding early warning signal to warn the worker that the outdoor air exceeds the standard;
the air conditioner controller 51 of the air conditioning equipment 50 can respond to the outdoor overproof early warning signal and control the valve 53 to close so as to close the fresh air inlet 52;
when the control device 40 detects that P2 is more than or equal to one of A2 and Q2 is more than or equal to B2, or P2 is more than or equal to A2 and Q2 is more than or equal to B2, the control device 40 judges that the indoor environment exceeds the standard and sends an indoor exceeding early warning signal;
the indoor air excessive warning device 61 can respond to the indoor excessive warning signal to warn the worker that the indoor air is excessive.
By using the corrosive gas concentration monitoring method in the embodiment of the application, the fresh air inlet 52 of the air conditioning equipment 50 can be automatically closed when the outdoor environment exceeds the standard, and the outdoor air with the corrosive gas concentration and/or the particulate matter concentration exceeding the standard cannot be continuously sent into the room by the air conditioning equipment 50, so that the indoor environment is protected in the first time.
It should be noted that the features of the embodiments in the present application may be combined with each other without conflict.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A corrosive gas concentration monitoring system, comprising:
the corrosive gas concentration monitoring module comprises a first gas inlet channel, a corrosive gas monitoring device and an exhaust channel which are sequentially connected, wherein the first gas inlet channel is communicated with the outdoor environment;
the outdoor particulate matter concentration monitoring module comprises an outdoor air inlet channel, an outdoor particulate matter concentration monitoring device and an outdoor exhaust channel which are sequentially connected, wherein the outdoor particulate matter concentration monitoring device is used for monitoring the concentration of outdoor particulate matter;
the control device is electrically connected with the corrosive gas monitoring device and the outdoor particulate matter concentration monitoring device, and an outdoor corrosive gas concentration threshold value and an outdoor particulate matter concentration threshold value are preset in the control device;
when the corrosive gas monitoring device monitors that the outdoor corrosive gas concentration exceeds the outdoor corrosive gas concentration threshold and/or the outdoor particulate matter concentration monitoring device monitors that the outdoor particulate matter concentration exceeds the outdoor particulate matter concentration threshold, the control device can send an outdoor exceeding early warning signal;
and the air conditioning equipment can respond to the outdoor overproof early warning signal and close a fresh air inlet.
2. The corrosive gas concentration monitoring system of claim 1, wherein said corrosive gas concentration monitoring module comprises:
and the second air inlet channel is communicated with the indoor environment, is connected with the first air inlet channel in parallel and is connected with the corrosive gas monitoring device through the air passage switching device.
3. The corrosive gas concentration monitoring system of claim 1, wherein said corrosive gas concentration monitoring module further comprises:
and the water vapor and carbon dioxide detection device is used for detecting the concentration of the water vapor and the carbon dioxide contained in the gas monitored by the corrosive gas monitoring device.
4. The corrosive gas concentration monitoring system of claim 1, wherein said corrosive gas monitoring device comprises a plurality of corrosive gas monitoring units, said plurality of corrosive gas monitoring units being connected in series.
5. The corrosive gas concentration monitoring system of claim 4, wherein said corrosive gas monitoring unit further comprises:
and the constant temperature device is used for providing a constant temperature environment for the corrosive gas monitoring unit.
6. The corrosive gas concentration monitoring system of claim 5, wherein said corrosive gas monitoring unit is a laser photoacoustic spectrometer.
7. The corrosive gas concentration monitoring system of claim 1, further comprising:
indoor particulate matter concentration monitoring module, including consecutive indoor inlet channel, indoor particulate matter concentration monitoring devices and indoor exhaust passage, indoor particulate matter concentration monitoring devices is used for monitoring indoor particulate matter concentration.
8. The corrosive gas concentration monitoring system of claim 7, wherein said indoor particulate matter concentration monitoring device is a particle counter.
9. The corrosive gas concentration monitoring system of claim 1, wherein said outdoor particulate matter concentration monitoring device is a light scattering PM2.5 and PM10 particulate matter detector.
10. A corrosive gas concentration monitoring method is characterized by comprising the following steps of;
the outdoor corrosive gas concentration and the particulate matter concentration are monitored in real time, when at least one of the outdoor corrosive gas concentration and the particulate matter concentration is monitored to exceed a preset threshold value, the control device sends an outdoor exceeding early warning signal, and the air conditioning equipment can respond to the outdoor exceeding early warning signal and close a fresh air inlet.
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| CN202110281350.XA CN115078193A (en) | 2021-03-16 | 2021-03-16 | Corrosive gas concentration monitoring system and method |
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| CN202110281350.XA CN115078193A (en) | 2021-03-16 | 2021-03-16 | Corrosive gas concentration monitoring system and method |
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