CN117053323B - Air purification system based on indoor air proportion self-balancing - Google Patents
Air purification system based on indoor air proportion self-balancing Download PDFInfo
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- CN117053323B CN117053323B CN202311012206.1A CN202311012206A CN117053323B CN 117053323 B CN117053323 B CN 117053323B CN 202311012206 A CN202311012206 A CN 202311012206A CN 117053323 B CN117053323 B CN 117053323B
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- 238000004887 air purification Methods 0.000 title claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 102
- 230000008859 change Effects 0.000 claims abstract description 59
- 238000004088 simulation Methods 0.000 claims abstract description 42
- 238000000746 purification Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims abstract description 16
- 239000007789 gas Substances 0.000 claims description 338
- 238000001514 detection method Methods 0.000 claims description 61
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000005856 abnormality Effects 0.000 abstract 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 15
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 239000000779 smoke Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The invention relates to the technical field of air purification, in particular to an air purification system based on self-balancing of indoor air proportion. The system comprises a monitoring data prediction module, a dynamic data simulation module and a purification equipment start-stop regulation module. According to the invention, the set monitoring data prediction module predicts various gas concentration changes in the indoor air intake process according to indoor and outdoor gas concentration monitoring data, various gas concentration changes in the indoor air exhaust process are received in real time by the set dynamic data simulation module, the corresponding real-time model is generated according to the various regional gas concentration sensor monitoring data, meanwhile, the dynamic data simulation module receives various gas prediction concentration change information to predict various gas change amplitude of indoor air, the purification equipment start-stop regulation and control module combines various gas prediction concentration change models to regulate various purification equipment purification rates in advance, and various gas concentration abnormality duration is reduced.
Description
Technical Field
The invention relates to the technical field of air purification, in particular to an air purification system based on self-balancing of indoor air proportion.
Background
The air purification is an integral solution for providing sterilization and disinfection, dust and haze reduction, removing harmful decoration residues, peculiar smell and the like for various indoor environmental problems, improving living and office conditions, improving physical and mental health, and mainly comprising radioactive gas, mold, particulate matters, decoration residues, second-hand smoke and the like, and in recent years, more and more people pay attention to indoor air quality, pay attention to household healthy living environments, can effectively prevent some diseases, and greatly influence physical health for some old people, children and physically weak people by poor air environment.
Because the concentration ratio of each gas in the air needs to be measured in the air detection process, the concentration ratio of each gas in the air is actually detected because the gas is harmless to human bodies in a certain concentration state, most of the existing indoor air purification systems adopt real-time gas concentration detection to determine the concentration of each gas in the air of a region to be detected in the current state, and then whether harmful gas is generated in the current region to be detected is deduced.
In order to cope with the above problems, there is a need for an air purification system based on self-balancing of the indoor air ratio.
Disclosure of Invention
The present invention is directed to an air purification system based on self-balancing of indoor air ratio, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above-mentioned purpose, provide an air purification system based on indoor air proportion self-balancing, including gas concentration monitoring module, gas concentration monitoring module is according to the various gas distribution condition in regional to be measured, selects corresponding gas concentration sensor to carry out gas concentration monitoring, gas concentration monitoring module output is connected with monitoring area planning module, monitoring area planning module is used for confirming all kinds of gas concentration sensor monitoring position, invokes the gas concentration sensor monitoring data in each different positions in real time, monitoring area planning module output is connected with monitoring data prediction module, monitoring data prediction module is used for according to indoor outer gas concentration monitoring data, predicts in the unit time: various gas concentration changes in the indoor air intake process and various gas concentration changes in the indoor air exhaust process, and various gas prediction concentration change information is generated;
the output end of the monitoring data prediction module is connected with a dynamic data simulation module, the input end of the dynamic data simulation module is connected with the output end of the monitoring area planning module, the dynamic data simulation module is used for receiving monitoring data of gas concentration sensors of all areas in real time and generating corresponding real-time models according to the monitoring data of the gas concentration sensors of all areas, meanwhile, the dynamic data simulation module receives various gas prediction concentration change information to generate various gas prediction concentration change models, the output end of the dynamic data simulation module is connected with a gas concentration proportion planning module, the gas concentration proportion planning module is used for determining indoor various gas concentration proportion in a safe state and determining concentration change threshold values of various gases, the output end of the gas concentration proportion planning module is connected with a purifying equipment start-stop regulation module, the purifying equipment start-stop regulation module is used for selecting purifying equipment corresponding to gases according to various gas distribution conditions of the areas to be detected, and controlling the start-stop of the corresponding purifying equipment according to various gas concentration proportion and various gas concentration change threshold values in the safe state, and simultaneously regulating the purifying rate of various purifying equipment in advance.
As a further improvement of the technical scheme, the gas concentration monitoring module comprises a gas detection and identification unit, wherein the gas detection and identification unit is used for detecting various gases in the air of the area to be detected, the output end of the gas detection and identification unit is connected with a gas sensor selection unit, and the gas sensor selection unit selects a corresponding gas concentration sensor to detect the concentration of the corresponding gas according to a detection result.
As a further improvement of the technical scheme, the gas concentration monitoring module further comprises a detection interval making unit, the detection interval making unit is used for determining a detection time interval, the existence time of various gases is detected in the detection time interval, the output end of the detection interval making unit is connected with an instantaneous gas rejecting unit, the instantaneous gas rejecting unit is used for making a existence time threshold value, the gas with the existence time lower than the time threshold value in the detection time interval is rejected, and the output end of the instantaneous gas rejecting unit is connected with the input end of the gas sensor selecting unit.
As a further improvement of the technical scheme, the instantaneous gas rejection unit adopts a time threshold rejection algorithm, and the algorithm formula is as follows:
O T :[t 1 ，t 2 ，…，t n ]；
wherein O is T Represents a time set of various gases existing in a detection time interval, O represents various gas concentrations, T represents the detection time interval, and T 1 To t n For the time of various gases in the detection time interval, n represents the total number of the gases detected in the air of the region to be detected, f (t) is a time detection function, t is the current time of the gases to be detected, t 0 For the time threshold, when the current time t of the existence of the gas to be detected is lower than the time threshold t 0 When the output of the time detection function f (t) is 0, the output is marked as instantaneous gas, and the time t of the current gas to be detected is not lower than the time threshold t 0 And when the time detection function f (t) is output to be 1, the gas to be detected is marked.
As a further improvement of the technical scheme, the monitoring data prediction module comprises an air flow direction determination unit, wherein the air flow direction determination unit is used for determining the air flow direction of the area to be detected, the output end of the air flow direction determination unit is connected with an in-out gas concentration analysis unit, the in-out gas concentration analysis unit is used for determining the concentration change condition of various in-out gases, the output end of the in-out gas concentration analysis unit is connected with an indoor gas change prediction unit, and the indoor gas change prediction unit predicts the concentration change trend of various gases in the inner chamber in unit time according to the concentration change condition of various in-out gases.
As a further improvement of the technical scheme, the dynamic data simulation module comprises a data type classification unit, the data type classification unit is used for classifying the received data, the output end of the data type classification unit is connected with a corresponding model simulation unit, and the corresponding model simulation unit performs corresponding model simulation by combining the data classification result.
As a further improvement of the technical scheme, the gas concentration ratio planning module comprises a gas collocation identification unit, the gas collocation identification unit is used for determining various gas collocations in the region to be detected, the output end of the gas collocation identification unit is connected with a safety threshold planning unit, the safety threshold planning unit determines a gas concentration threshold under a safety state according to a gas type, the output end of the safety threshold planning unit is provided with a concentration ratio determining unit, and the concentration ratio determining unit is combined with various gas concentration thresholds under the safety state to determine the gas concentration ratio in the air in the safety state of the region to be detected.
As a further improvement of the technical scheme, the purifying equipment start-stop regulation and control module comprises purifying equipment corresponding units, wherein the purifying equipment corresponding units select corresponding purifying equipment according to the gas existence type of the region to be detected, the positions of the purifying equipment are determined, the output ends of the purifying equipment corresponding units are connected with purifying efficiency adjusting units, and the purifying efficiency adjusting units adjust the corresponding purifying equipment efficiency according to the gas concentration change range of the region to be detected.
As a further improvement of the technical scheme, the output end of the purification efficiency adjusting unit is connected with a prediction adjusting unit, and the prediction adjusting unit is used for combining various gas prediction concentration change models and responding to corresponding purification equipment in advance.
As a further improvement of the technical scheme, the output end of the start-stop regulation and control module of the purifying equipment is connected with a proportion deviation early-warning module, and the proportion deviation early-warning module is used for determining the efficiency threshold value of each purifying equipment and carrying out early warning on the gas breaking through the efficiency threshold value.
Compared with the prior art, the invention has the beneficial effects that:
in the air purification system based on the self-balancing of the indoor air proportion, various gas concentration changes in the indoor air intake process are predicted according to indoor and outdoor gas concentration monitoring data through the set monitoring data prediction module, various gas concentration changes in the indoor air exhaust process are received in real time through the set dynamic data simulation module, corresponding real-time models are generated according to the monitoring data of the gas concentration sensors in various areas, meanwhile, various gas prediction concentration change information is received through the dynamic data simulation module, various gas change amplitude of the indoor air is predicted, the purification equipment start-stop regulation and control module is combined with various gas prediction concentration change models, various purification equipment purification rates are regulated and controlled in advance, and various abnormal duration of the gas concentration is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a gas concentration monitoring module according to the present invention;
FIG. 3 is a schematic diagram of a structure of a prediction module of monitoring data according to the present invention;
FIG. 4 is a schematic diagram of a dynamic data simulation module according to the present invention;
FIG. 5 is a schematic diagram of a gas concentration ratio planning module according to the present invention;
FIG. 6 is a schematic diagram of a start-stop control module of the purification apparatus according to the present invention.
The meaning of each reference sign in the figure is:
10. a gas concentration monitoring module; 110. a gas detection and identification unit; 120. a gas sensor selecting unit; 130. a detection section creating unit; 140. an instantaneous gas rejection unit;
20. a monitoring area planning module;
30. a monitoring data prediction module; 310. an air flow direction determining unit; 320. an inlet and outlet gas concentration analysis unit; 330. an indoor gas change prediction unit;
40. a dynamic data simulation module; 410. a data type classification unit; 420. a corresponding model simulation unit;
50. a gas concentration ratio planning module; 510. a gas collocation identification unit; 520. a safety threshold planning unit; 530. a concentration ratio determination unit;
60. a purifying equipment start-stop regulation module; 610. a purifying device correspondence unit; 620. a purification efficiency adjustment unit; 630. a predictive regulation unit;
70. and the proportion deviation early warning module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, an air purifying system based on self-balancing of indoor air proportion is provided, which comprises a gas concentration monitoring module 10, the gas concentration monitoring module 10 selects corresponding gas concentration sensors to monitor gas concentration according to various gas distribution conditions of an area to be measured, the output end of the gas concentration monitoring module 10 is connected with a monitoring area planning module 20, the monitoring area planning module 20 is used for determining monitoring positions of various gas concentration sensors, monitoring data of the gas concentration sensors at different positions are called in real time, the output end of the monitoring area planning module 20 is connected with a monitoring data prediction module 30, and the monitoring data prediction module 30 is used for predicting the monitoring data of indoor and outdoor gas concentration according to the monitoring data in unit time: various gas concentration changes in the indoor air intake process and various gas concentration changes in the indoor air exhaust process, and various gas prediction concentration change information is generated;
the output end of the monitoring data prediction module 30 is connected with the dynamic data simulation module 40, the input end of the dynamic data simulation module 40 is connected with the output end of the monitoring area planning module 20, the dynamic data simulation module 40 is used for receiving monitoring data of gas concentration sensors of all areas in real time and generating corresponding real-time models according to the monitoring data of the gas concentration sensors of all areas, meanwhile, the dynamic data simulation module 40 receives various gas prediction concentration change information and generates various gas prediction concentration change models, the output end of the dynamic data simulation module 40 is connected with the gas concentration ratio planning module 50, the gas concentration ratio planning module 50 is used for determining indoor various gas concentration ratios in a safe state and determining concentration change threshold values of various gases, the output end of the gas concentration ratio planning module 50 is connected with the purifying equipment start-stop regulation module 60, the purifying equipment start-stop regulation module 60 is used for selecting purifying equipment corresponding to gas according to various gas distribution conditions of the areas to be detected, the indoor various gas concentration ratios and the concentration change threshold values of various gases are combined, corresponding purifying equipment start-stop is controlled, and various gas prediction concentration change models are combined, and the purifying equipment purification rates are advanced.
When the formaldehyde gas monitoring system is specifically used, firstly, the gas concentration monitoring module 10 selects corresponding gas concentration sensors to monitor gas concentration according to various gas distribution conditions of a region to be detected, for example, the region to be detected monitors the existence of formaldehyde gas, at the moment, the formaldehyde gas concentration sensors are required to be selected for monitoring the formaldehyde gas concentration of the region to be detected in real time, the monitoring region planning module 20 determines monitoring positions of various gas concentration sensors, and invokes monitoring data of the gas concentration sensors at different positions in real time, and the region monitored by the formaldehyde gas monitoring system comprises two blocks: indoor area monitoring and outdoor area monitoring, wherein the indoor area monitoring mainly determines the concentration proportion of various indoor gases in real time, and the outdoor area monitoring mainly comprises the following steps: in the air intake state, the concentration ratio of various gases in the air discharged outdoors is monitored, in the air outlet state, the concentration ratio of various gases in the air discharged outdoors is monitored, and the monitoring data prediction module 30 predicts the unit time according to the indoor and outdoor gas concentration monitoring data: the method comprises the steps that various gas concentration changes in an indoor air intake process and various gas concentration changes in an indoor air exhaust process generate various gas prediction concentration change information, then a dynamic data simulation module 40 receives various regional gas concentration sensor monitoring data in real time and generates a corresponding real-time model according to various regional gas concentration sensor monitoring data, meanwhile, the dynamic data simulation module 40 receives various gas prediction concentration change information to generate various gas prediction concentration change models which are used for predicting various gas change amplitudes of indoor air, a gas concentration ratio planning module 50 determines various indoor gas concentration ratios in a safe state and determines various gas concentration change threshold values, the various gas concentration ranges change to normal values in the various gas concentration change threshold value range, a purification equipment start-stop regulation module 60 selects corresponding gas purification equipment according to various gas distribution conditions of a region to be detected, controls the start-stop of the corresponding purification equipment according to various gas concentration ratios in the safe state and various gas concentration change threshold values, and starts the corresponding purification equipment when certain indoor gas concentration or various gas concentrations break through the corresponding concentration change threshold values, and meanwhile, the purification equipment start-stop regulation and control module 60 starts corresponding purification equipment to carry out purification treatment according to the various gas prediction concentration change rates in the safe state, and various gas prediction regulation and control of various gas concentration change rates are combined.
According to the invention, the set monitoring data prediction module 30 predicts the unit time according to the indoor and outdoor gas concentration monitoring data: various gas concentration changes in the indoor air intake process and various gas concentration changes in the indoor air exhaust process are received in real time through the set dynamic data simulation module 40, corresponding real-time models are generated according to the monitoring data of the gas concentration sensors in various areas, meanwhile, various gas prediction concentration change information is received by the dynamic data simulation module 40, various gas prediction concentration change models are generated and used for predicting various gas change amplitudes of indoor air in the next process, the corresponding purification equipment is started by the purification equipment start-stop regulation and control module 60 to carry out purification treatment on the air, and meanwhile, various purification equipment purification rates are regulated and controlled in advance by combining with the various gas prediction concentration change models, various abnormal duration of the gas concentration is reduced, and the system response efficiency is improved.
In addition, the gas concentration monitoring module 10 includes a gas detection and identification unit 110, the gas detection and identification unit 110 is used for detecting that various gases exist in the air of the area to be detected, the output end of the gas detection and identification unit 110 is connected with a gas sensor selection unit 120, the gas sensor selection unit 120 selects a corresponding gas concentration sensor to perform concentration detection of the corresponding gas according to a detection result, and since various gases exist in the air of the area to be detected, in order to enable a final detection result to be accurate, the most suitable gas concentration sensor needs to be selected to perform corresponding detection, various gases exist in the air of the area to be detected through the gas detection and identification unit 110, a detection result is generated, and the detection result is transmitted to the gas sensor selection unit 120, and the gas sensor selection unit 120 selects the corresponding gas concentration sensor to perform concentration detection of the corresponding gas according to the detection result, so that various gases of the area to be detected can be detected correspondingly, and detection accuracy is improved.
Further, the gas concentration monitoring module 10 further includes a detection interval making unit 130, the detection interval making unit 130 is configured to determine a detection time interval, and detect the presence time of each type of gas in the detection time interval, the output end of the detection interval making unit 130 is connected to an instantaneous gas rejecting unit 140, where the instantaneous gas rejecting unit 140 is configured to make a presence time threshold, reject a gas whose presence time is lower than the time threshold in the detection time interval, and the output end of the instantaneous gas rejecting unit 140 is connected to the input end of the gas sensor selecting unit 120.
Still further, the transient gas elimination unit 140 employs a time threshold elimination algorithm, whose algorithm formula is as follows:
O T :[t 1 ，t 2 ，…，t n ]；
wherein O is T Represents a time set of various gases existing in a detection time interval, O represents various gas concentrations, T represents the detection time interval, and T 1 To t n For the time of various gases in the detection time interval, n represents the total number of the gases detected in the air of the region to be detected, f (t) is a time detection function, t is the current time of the gases to be detected, t 0 For the time threshold, when the current time t of the existence of the gas to be detected is lower than the time threshold t 0 When the output of the time detection function f (t) is 0, the output is marked as instantaneous gas, and the time t of the current gas to be detected is not lower than the time threshold t 0 And when the time detection function f (t) is output to be 1, the gas to be detected is marked.
Specifically, the monitoring data prediction module 30 includes an air flow direction determining unit 310, the air flow direction determining unit 310 is used for determining an air flow direction of a region to be detected, an in-out gas concentration analyzing unit 320 is connected to an output end of the air flow direction determining unit 310, the in-out gas concentration analyzing unit 320 is used for determining concentration variation conditions of various in-out gases, an output end of the in-out gas concentration analyzing unit 320 is connected to an indoor gas variation predicting unit 330, the indoor gas variation predicting unit 330 predicts various gas concentration variation trend in an indoor unit according to the concentration variation conditions of various in-out gases, firstly the air flow direction determining unit 310 determines the air flow direction of the region to be detected, the in-out gas concentration analyzing unit 320 determines the concentration variation conditions of various in-out gases according to the air flow direction of the region to be detected, and the indoor gas variation predicting unit 330 predicts various gas concentration variation trend in the indoor unit for later modeling, and responds to the starting and stopping of the purifying device in advance
In addition, the dynamic data simulation module 40 includes a data type classification unit 410, the data type classification unit 410 is used for classifying received data, the output end of the data type classification unit 410 is connected with a corresponding model simulation unit 420, the corresponding model simulation unit 420 performs corresponding model simulation in combination with a data classification result, the data type classification unit 410 classifies the received data into area gas concentration sensor monitoring data and various gas prediction concentration change data, the classified data is transmitted to the corresponding model simulation unit 420 by hand, the corresponding model simulation unit 420 performs corresponding model simulation in combination with a data classification result, for example, the gas prediction concentration change data is intuitively monitored through a line graph, and a concentration change rate and a concentration change time point are determined, so that the current gas concentration change trend can be more intuitively determined.
Further, the gas concentration ratio planning module 50 includes a gas collocation identifying unit 510, the gas collocation identifying unit 510 is used for determining various gas collocations in the area to be detected, the output end of the gas collocation identifying unit 510 is connected with a safety threshold planning unit 520, the safety threshold planning unit 520 determines a gas concentration threshold in a safety state according to a gas type, the output end of the safety threshold planning unit 520 is provided with a concentration ratio determining unit 530, the concentration ratio determining unit 530 combines various gas concentration thresholds in the safety state, the gas concentration ratio in the air in the safety state of the area to be detected is determined, and as different gas collocations, the safety concentration threshold changes accordingly, for example, the A gas is A1 in a normal gas state, after the gas B in the area to be detected exists, the two interact, the safety concentration B becomes A2, the gas collocation identifying unit 510 is configured to determine various gas collocations in the area to be detected, the safety threshold planning unit 520 determines the gas concentration threshold in the safety state according to the gas type, the concentration ratio determining unit 530 combines various gas concentration thresholds in the safety state, determines the gas concentration ratio in the air in the safety state of the area to be detected according to different gas, and the accuracy of the whole monitoring system is improved by carrying out the gas collocation in the safety state according to different gas thresholds.
Still further, the purifying device start-stop regulation module 60 includes a purifying device corresponding unit 610, the purifying device corresponding unit 610 selects corresponding purifying devices according to the gas existence type of the area to be measured, and determines the positions of the purifying devices, the output end of the purifying device corresponding unit 610 is connected with a purifying efficiency adjustment unit 620, the purifying efficiency adjustment unit 620 adjusts the corresponding purifying device efficiency according to the gas concentration variation range of the area to be measured, the purifying device corresponding unit 610 selects corresponding purifying devices according to the gas existence type of the area to be measured, and determines the positions of the purifying devices, the purifying efficiency adjustment unit 620 adjusts the corresponding purifying device efficiency according to the gas concentration variation range of the area to be measured, so that the various gas concentrations of the area to be measured maintain a normal state
In addition, the output end of the purification efficiency adjustment unit 620 is connected with a prediction adjustment unit 630, the prediction adjustment unit 630 is used for combining various gas prediction concentration change models, responding to corresponding purification equipment in advance, and improving and adjusting the purification rate of various purification equipment.
In addition, the output end of the start-stop regulation and control module 60 of the purifying equipment is connected with a proportion deviation early-warning module 70, and the proportion deviation early-warning module 70 is used for determining the efficiency threshold value of each purifying equipment and carrying out early warning on the gas which breaks through the efficiency threshold value;
when the system is specifically used, the proportion deviation early-warning module 70 is used for determining the efficiency threshold value of each purifying device, early warning is carried out on the gas breaking through the efficiency threshold value, for example, the prediction model determines that the current detected gas generation amount exceeds the efficiency threshold value of the corresponding purifying device, at the moment, the purifying device cannot meet the purifying work of the corresponding gas, the preset proportion deviation early-warning module 70 is used for early warning, and the detecting personnel is reminded of making a corresponding scheme in advance.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. Air purification system based on indoor air proportion self-balancing, including gas concentration monitoring module (10), gas concentration monitoring module (10) are according to the various gas distribution condition in region that awaits measuring, select for use corresponding gas concentration sensor to carry out gas concentration monitoring, its characterized in that: the gas concentration monitoring system comprises a gas concentration monitoring module (10), a monitoring area planning module (20) and a monitoring unit time prediction module (30), wherein the output end of the gas concentration monitoring module (10) is connected with the monitoring area planning module (20), the monitoring area planning module (20) is used for determining monitoring positions of various gas concentration sensors, calling monitoring data of the gas concentration sensors at different positions in real time, and the output end of the monitoring area planning module (20) is connected with the monitoring data prediction module (30), and the monitoring data prediction module (30) is used for predicting the monitoring data of the gas concentration in the unit time according to indoor and outdoor gas concentration: various gas concentration changes in the indoor air intake process and various gas concentration changes in the indoor air exhaust process, and various gas prediction concentration change information is generated;
the method comprises the steps that the output end of a monitoring data prediction module (30) is connected with a dynamic data simulation module (40), the input end of the dynamic data simulation module (40) is connected with the output end of a monitoring area planning module (20), the dynamic data simulation module (40) is used for receiving monitoring data of gas concentration sensors of all areas in real time and generating corresponding real-time models according to the monitoring data of the gas concentration sensors of all areas, meanwhile, the dynamic data simulation module (40) receives various gas prediction concentration change information to generate various gas prediction concentration change models, the output end of the dynamic data simulation module (40) is connected with a gas concentration proportion planning module (50), the gas concentration proportion planning module (50) is used for determining the concentration proportion of various gases in a room in a safe state and determining the concentration change threshold value of various gases, the output end of the gas concentration proportion planning module (50) is connected with a purifying equipment start-stop regulation module (60), the purifying equipment start-stop regulation module (60) selects purifying equipment corresponding to various gases according to the gas distribution conditions of the areas to be detected, and simultaneously combines various indoor gas concentration proportion and various gas concentration change thresholds in a safe state and various gas purification equipment prediction mode to control various gas concentration change rates in advance, and various purifying equipment prediction and control various gas concentration change rates are simultaneously combined with various gas prediction and stop modes;
the gas concentration monitoring module (10) comprises a gas detection and identification unit (110), wherein the gas detection and identification unit (110) is used for detecting various gases in the air of a region to be detected, the output end of the gas detection and identification unit (110) is connected with a gas sensor selection unit (120), and the gas sensor selection unit (120) selects a corresponding gas concentration sensor to detect the concentration of the corresponding gas according to a detection result;
the gas concentration monitoring module (10) further comprises a detection interval making unit (130), the detection interval making unit (130) is used for determining a detection time interval, the existence time of various gases is detected in the detection time interval, the output end of the detection interval making unit (130) is connected with an instantaneous gas rejecting unit (140), the instantaneous gas rejecting unit (140) is used for making a existence time threshold value, the gas with the time lower than the time threshold value in the detection time interval is rejected, and the output end of the instantaneous gas rejecting unit (140) is connected with the input end of the gas sensor selecting unit (120);
the monitoring data prediction module (30) comprises an air flow direction determination unit (310), wherein the air flow direction determination unit (310) is used for determining the air flow direction of a region to be detected, the output end of the air flow direction determination unit (310) is connected with an inlet and outlet gas concentration analysis unit (320), the inlet and outlet gas concentration analysis unit (320) is used for determining the concentration change condition of various inlet and outlet gases, the output end of the inlet and outlet gas concentration analysis unit (320) is connected with an indoor gas change prediction unit (330), and the indoor gas change prediction unit (330) predicts the concentration change trend of various gases in an inner chamber in unit time according to the concentration change condition of various inlet and outlet gases;
the dynamic data simulation module (40) comprises a data type classification unit (410), the data type classification unit (410) is used for classifying received data, the output end of the data type classification unit (410) is connected with a corresponding model simulation unit (420), and the corresponding model simulation unit (420) performs corresponding model simulation by combining data classification results;
the gas concentration ratio planning module (50) comprises a gas collocation identification unit (510), the gas collocation identification unit (510) is used for determining various gas collocations in a region to be detected, the output end of the gas collocation identification unit (510) is connected with a safety threshold planning unit (520), the safety threshold planning unit (520) determines a gas concentration threshold in a safety state according to a gas type, the output end of the safety threshold planning unit (520) is provided with a concentration ratio determination unit (530), and the concentration ratio determination unit (530) is combined with various gas concentration thresholds in the safety state to determine the concentration ratio of gas in air in the safety state of the region to be detected;
the purifying equipment start-stop regulation and control module (60) comprises a purifying equipment corresponding unit (610), wherein the purifying equipment corresponding unit (610) selects corresponding purifying equipment according to the gas existence type of an area to be detected, the position of each purifying equipment is determined, the output end of the purifying equipment corresponding unit (610) is connected with a purifying efficiency regulating unit (620), and the purifying efficiency regulating unit (620) regulates the efficiency of the corresponding purifying equipment according to the gas concentration variation range of the area to be detected;
the monitoring area planning module (20) is used for determining monitoring positions of various gas concentration sensors and calling monitoring data of the gas concentration sensors at different positions in real time, and an area monitored by the monitoring area planning module (20) comprises two large blocks:
indoor area monitoring and outdoor area monitoring, wherein the indoor area monitoring is used for determining concentration ratios of various indoor gases in real time;
the outdoor area monitoring is used for monitoring concentration ratios of various gases in the air discharged outdoors into the room in an air inlet state and concentration ratios of various gases in the air discharged indoors into the room in an air outlet state.
2. The indoor air proportional self-balancing based air purification system of claim 1, wherein: the instantaneous gas rejection unit (140) adopts a time threshold rejection algorithm, and the algorithm formula is as follows:
；
；
wherein,indicating the time set of the presence of various gases in the detection time interval,/for each gas>Indicating the concentration of various gases>Indicating the detection time interval, & lt + & gt>To->For the time when the various gases exist in the detection time interval, n represents the waiting timeTotal number of gases detected in the air of the zone, +.>As a time detection function, t is the current time of existence of the gas to be detected, < >>For the time threshold, when the current time t of the presence of the gas to be measured is below the time threshold +.>Time detection function->The output is 0, the gas is marked as instantaneous gas, and the current time t of the gas to be detected is not lower than the time threshold +.>Time detection function->The output is 1, marked as the gas to be measured.
3. The indoor air proportional self-balancing based air purification system of claim 1, wherein: the output end of the purification efficiency adjusting unit (620) is connected with a prediction adjusting unit (630), and the prediction adjusting unit (630) is used for combining various gas prediction concentration change models and responding to corresponding purification equipment in advance.
4. The indoor air proportional self-balancing based air purification system of claim 1, wherein: the output end of the purification equipment start-stop regulation and control module (60) is connected with a proportion deviation early warning module (70), and the proportion deviation early warning module (70) is used for determining the efficiency threshold value of each purification equipment and carrying out early warning on gas breaking through the efficiency threshold value.
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