CN116732926A - Method, apparatus and readable storage medium for improving air quality - Google Patents
Method, apparatus and readable storage medium for improving air quality Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 60
- 238000012544 monitoring process Methods 0.000 claims abstract description 36
- 239000003344 environmental pollutant Substances 0.000 claims description 18
- 231100000719 pollutant Toxicity 0.000 claims description 18
- 238000012216 screening Methods 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 238000004590 computer program Methods 0.000 claims description 3
- 238000003915 air pollution Methods 0.000 abstract description 3
- 239000000428 dust Substances 0.000 description 34
- 230000001629 suppression Effects 0.000 description 9
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- 230000007613 environmental effect Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H3/00—Applying liquids to roads or like surfaces, e.g. for dust control; Stationary flushing devices
- E01H3/04—Fixed devices, e.g. permanently- installed flushing means
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
- B01D2247/08—Means for controlling the separation process
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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
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Abstract
The present disclosure relates to a method, apparatus and readable storage medium for improving air quality, and relates to the technical field of air pollution control. Comprising the following steps: monitoring the humidity of a target road; starting the sprinkling equipment to sprinkle water on the target road under the condition that the humidity of the target road is less than the preset humidity and at least one of the following conditions is met: the moment of the target road is the target moment, the wind speed and the wind direction of the target road are positioned in a first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are positioned in a second target wind speed and wind direction range under the weather corresponding to the target time period. By using the method for improving the air quality, the water resource can be saved while the air quality is not influenced.
Description
Technical Field
The present disclosure relates to the field of air pollution abatement technology, and more particularly, to a method, apparatus, and readable storage medium for improving air quality.
Background
Along with improvement of the air pollution treatment refinement level, the influence of road dust suppression on urban air quality is paid attention to gradually by sprinkling water to the road to reduce the influence of the road dust on the urban air quality, and in order to reduce the influence of the road dust on the urban air quality, a plurality of areas can carry out sprinkling water operation on the road, and the main effect of sprinkling water equipment operation is dust suppression and dust suppression, because the air is flowing, the lifting of the road dust can be caused in the flowing process, the influence of the road dust on the air quality can be reduced by sprinkling water on the road, and PM (particulate matters) is reduced 10 Concentration and PM 2.5 The concentration plays an important role.
In the related art, in order to suppress road dust, when the road dust concentration of a road is large, water is sprayed on the road to suppress dust transmission. However, in some scenes, although the road dust concentration of the road is high, the influence on the urban air quality is small, and if the road is continuously sprayed with water, the water resource is wasted.
Disclosure of Invention
To overcome the problems in the related art, the present disclosure provides a method, apparatus, and readable storage medium for improving air quality.
According to a first aspect of embodiments of the present disclosure, there is provided a method of improving air quality, comprising:
monitoring the humidity of a target road;
starting a sprinkling device to sprinkle water on the target road under the condition that the humidity of the target road is less than a preset humidity and at least one of the following conditions is met:
the moment of the target road is the target moment, the wind speed and the wind direction of the target road are in a first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are in a second target wind speed and wind direction range under weather corresponding to a target time period;
when the wind speed and direction of the target road are within the first target wind speed and direction range or the wind speed and direction of the target road are within the second target wind speed and direction range, the influence value of the target road on the air quality is larger than a preset influence value.
Optionally, the preset influence value includes a first preset influence value, and the method further includes:
clustering influence values of the target road on the air quality at different historical moments to obtain a plurality of groups of first influence values;
screening a first target influence group which is larger than the first preset influence value from the plurality of groups of first influence values;
and taking the wind speed and direction range corresponding to the first target influence group as the first target wind speed and direction range.
Optionally, the method further comprises:
dividing the influence values of the target road on the air quality at different historical moments according to different time periods to obtain the influence values corresponding to the different time periods;
determining weather types corresponding to the time periods according to the historical meteorological data corresponding to the time periods;
and determining a second target wind speed and direction range under the weather type corresponding to the time period according to the influence value corresponding to the time period.
Optionally, the preset influence value includes a second preset influence value, and determining, according to the influence value corresponding to the time period, a second target wind speed and wind direction range under the weather type corresponding to the time period includes:
clustering a plurality of influence values under the weather conditions corresponding to the time period to obtain a plurality of groups of second influence values;
Screening a second target influence group which is larger than the second preset influence value from the plurality of groups of second influence values;
and taking the wind speed and direction range corresponding to the second target influence group as a second target wind speed and direction range under the weather type corresponding to the time period.
Optionally, the preset influence value includes a third preset influence value, and the method further includes:
determining the influence value of the target road on the air quality at different moments;
and taking the moment when the influence value is larger than the third preset influence value as the target moment.
Optionally, the method further comprises:
and inputting the road information of the target road and pollutant emission amount of the pollutant source emitted by the pollution source on the target road into an air quality model to obtain an influence value of the target road on air quality.
Optionally, the method further comprises:
and under the condition that the humidity of the target road is less than the preset humidity and the following conditions are met, not starting the water spraying equipment:
the moment of the target road is a non-target moment;
the wind speed and direction of the target road are located outside the first target wind speed and direction range;
the time period of the target road is the target time period or the weather type of the target road is not the target weather type or the wind speed and the wind direction of the target road are located outside the second target wind speed and wind direction range.
According to a second aspect of embodiments of the present disclosure, there is provided an apparatus for improving air quality, comprising:
a humidity monitoring module configured to monitor humidity of a target road;
the starting module is configured to start the sprinkling equipment to sprinkle the target road under the condition that the humidity of the target road is less than the preset humidity and at least one of the following conditions is met:
the moment of the target road is the target moment, the wind speed and the wind direction of the target road are in the first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are in the second target wind speed and wind direction range under the weather corresponding to the target time period.
According to a third aspect of embodiments of the present disclosure, there is provided an apparatus for improving air quality, comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
steps of a method of improving air quality provided by the first aspect of an embodiment of the present disclosure are performed.
According to a fourth aspect of embodiments of the present disclosure, there is provided a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of improving air quality provided by the first aspect of the present disclosure.
The technical scheme provided by the embodiment of the disclosure can comprise the following beneficial effects:
under the condition that the humidity of the target road is smaller than the preset humidity, the condition that water does not exist on the target road or the existing water is insufficient to play a good dust suppression role on dust is indicated, in order to further determine whether the target road can have a large influence on the air quality, whether the moment of the target road is the target moment or whether the wind speed and the wind direction of the target road are located in the first target wind speed and the wind direction of the target road or whether the wind direction of the target road are located in the second target wind speed and the wind direction of the weather type corresponding to the target time period is determined, if at least one condition of the three conditions is met, the condition that the wind speed and the wind direction of the target road at the current moment downwards have a large influence on the air quality of a target area or a monitoring station point is indicated, in this case, in order to avoid the large influence on the air quality, the sprinkling equipment can be controlled to perform water sprinkling on the target road so as to reduce the road dust quantity on the target road, and further reduce the influence on the air quality.
In addition, according to the embodiment of the disclosure, the target road is sprayed only when the target moment or the first target wind speed and direction range or the second target wind speed and direction range under the weather corresponding to the target time period is located, namely, the influence of the target road on the air quality is large, and the target road is not sprayed under the condition that the influence value of the air quality is small, so that the waste of water resources is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.
FIG. 1 is a flow chart illustrating a method of improving air quality according to an exemplary embodiment.
FIG. 2 is a graph showing an impact value over time according to an exemplary embodiment.
FIG. 3 is a schematic diagram illustrating wind speed and direction ranges according to an exemplary embodiment.
Fig. 4 is a block diagram illustrating an apparatus for improving air quality according to an exemplary embodiment.
Fig. 5 is a block diagram illustrating an apparatus for improving air quality according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present disclosure as detailed in the accompanying claims.
It should be noted that, all actions for acquiring signals, information or data in the present disclosure are performed under the condition of conforming to the corresponding data protection rule policy of the country of the location and obtaining the authorization given by the owner of the corresponding device.
In the related art, the road can be sprayed with water to inhibit dust when the road dust concentration of the road is greater than a preset concentration; the road dust concentration is larger than the preset concentration to serve as a sprinkling basis, the temperature and the humidity are combined, the environmental influence coefficient of the road is calculated according to the temperature and the humidity of the road, and the road is sprinkled to inhibit dust under the condition that the environmental influence coefficient is larger than the standard influence coefficient.
However, in both of these schemes, even if the road dust concentration of a certain road is high or the environmental impact coefficient is large, there is a case where the influence on the urban air quality or the monitoring site is small. For example, the road is located in the downwind direction of the city or the monitoring station, and dust on the road is influenced by wind, and only flows to a place far away from the city or the monitoring station, but does not flow to the city or the monitoring station, so that in this case, the air quality of the city or the monitoring station is not influenced, and if the road is sprayed with water, the waste of water resources is definitely caused.
In the related art, water can be sprayed at intervals for a certain period of time, so that a better dust suppression effect is obtained. For example, at a relatively high temperature (21 ℃ C.), water may be sprayed at intervals of about one-half hour, with a water spray rate of about 1.1kg/m 2 The dust suppression effect reaches more than 90 percent. However, by adopting the scheme, water is sprayed every certain time, and when dust on a road cannot flow to a city or a monitoring station to influence the air quality of the city or the monitoring station, the water is sprayed on the road when the water spraying moment is reached, so that the waste of water resources is also caused.
FIG. 1 is a flow chart illustrating a method of improving air quality, as shown in FIG. 1, that may be employed in a sprinkler, according to an exemplary embodiment, including the following steps.
In step S101, the humidity of the target road is monitored.
The target road refers to a heavily polluted road in which an influence value on the air quality is greater than a fourth preset influence value among the plurality of roads in the target area. The target area may be a city in the related art described above, but may be other areas, which is not limited by the embodiments of the present disclosure.
The target area is provided with a plurality of roads, the road information corresponding to each road and the pollutant emission amount of the pollutant source emitted by the road can be input into an air quality model, and the air quality model is utilized to simulate and obtain the influence value of each road on the air quality; and screening target roads with influence values larger than a fourth preset influence value from the plurality of roads, wherein the target roads are roads with larger influence on the air quality of the target area.
The air quality model comprises CMAQ (Community Multiscale Air Quality Modeling System, a multi-scale air quality model), WRF-CHEM (Weather Research and Forecasting Model, a weather prediction model), AERMOD (Ams/Epa Regulatory Model, an atmosphere prediction model) and other models, the air quality model is used for operating a meteorological principle and a mathematical method, simulating pollutant data in horizontal and vertical directions, the air quality model takes pollutant discharge amount discharged by a pollutant source in the atmosphere and road information of a target road as input data, analyzing interaction relation among pollutants, conveying and diffusing the pollutants and other processes, and outputting influence values of the target road on the air quality.
Humidity monitoring devices may be provided around the target road, with which humidity of the target road is monitored. By arranging the humidity monitoring equipment in the target road of the target area instead of arranging the humidity monitoring equipment on all roads in the target area, the humidity monitoring can be carried out on the target road with serious pollution degree in a targeted manner, the number of the humidity monitoring equipment is reduced, and the monitoring cost is saved.
In general, water is present on a road surface of a target road on which water is just sprayed or which is just raining, the relative humidity of the road surface is 100%, the relative humidity of the road surface gradually decreases along with the evaporation of the water on the road surface, when the relative humidity of the road surface is 90% to 100%, the water on the road surface can play a better role in inhibiting dust, and when the relative humidity of the road surface is lower than 90%, the water on the road surface cannot play a better role in inhibiting dust. Therefore, the embodiment of the disclosure needs to monitor the road surface humidity of the target road to determine whether the sprinkler needs to be started to sprinkler the target road.
In step S102, in a case where the humidity of the target road is less than a preset humidity and at least one of the following conditions one, two and three is satisfied, a sprinkler is started to sprinkle the target road.
When the road surface humidity of the target road is smaller than the preset humidity, it is indicated that water does not exist on the target road or the water does not exist on the target road sufficiently to achieve a good dust suppression effect on dust, and at this time, in order to further determine whether the road surface needs to be sprayed with water, the following three conditions can be combined for further judgment.
And the moment of the target road is the target moment.
The target time is the time when the influence value of the road on the air quality of the target area or the monitoring station is larger than the third preset influence value, namely the time when the contribution value of the road on the air quality of the target area or the monitoring station is larger. The pollutants such as dust and the like of the target road in the target area can be transmitted to the monitoring station through air, the monitoring station can monitor and obtain the influence value of the target road in the target area on the air quality, and then the influence values at a plurality of moments are analyzed to obtain the target moment.
And the wind speed and the wind direction of the target road are positioned in a first target wind speed and wind direction range.
In some embodiments, the first target wind speed and direction range is a wind speed and direction range in which the obtained influence value of the target road on the air quality is greater than a first preset influence value according to the influence value of the target road on the air quality of the target area or the monitoring station point at different historical moments.
Optionally, the first wind speed and wind direction range includes a first wind speed range and a first wind direction range, and when comparing, the wind speed of the target road is compared with the first wind speed range, and the wind direction of the target road is compared with the first wind direction range.
And thirdly, the wind speed and the wind direction of the target road are positioned in a second target wind speed and wind direction range under the weather condition corresponding to the target time period.
The second target wind speed and direction range is obtained by dividing the time period of the influence value of the target road on the air quality of the target area or the monitoring station point at different historical moments and has larger influence on the air quality at different time periods.
Because the wind speed and the wind direction of the target road are compared with the first target wind speed and the wind direction range, whether the wind speed and the wind direction of the target road are in the first target wind speed and the wind direction range is required to be determined, when the wind speed and the wind direction of the target road are compared with the second target wind speed and the wind direction range, whether the current time period of the target road is the target time period or not is required to be determined, whether the current weather type of the target road is the weather type corresponding to the target time period or not is required to be determined, and whether the current wind speed and the wind direction of the target road are in the second target wind speed and the wind direction range is required to be determined, so that the third condition is harsher than the second condition, and the second target wind speed and the wind direction range is smaller and more accurate than the first target wind speed and the wind direction range.
The second wind speed and wind direction range comprises a second wind speed range and a second wind direction range, and when the comparison is performed, the current wind speed of the target road is compared with the second wind speed range, and the current wind direction of the target road is compared with the second wind direction range.
The influence values of the target road on the air quality of the target area or the monitoring station under different historical moments can be divided according to the time periods, so that influence values corresponding to a plurality of different time periods are obtained. On the basis, the target time period is a time period in which the current moment of the target road is located in a plurality of different time periods.
According to the influence values corresponding to different time periods, weather types corresponding to different time periods can be determined, and then a second target wind speed and direction range, in which the influence value of the weather types on the air quality is larger than a second preset influence value, is determined.
In some embodiments, the target road has an effect value on the air quality that is greater than a preset effect value when the target time or the wind speed and direction of the target road is within the first target wind speed and direction range or the wind speed and direction of the target road is within the second target wind speed and direction range.
The preset influence values at least comprise a first preset influence value, a second preset influence value, a third preset influence value and a fourth preset influence value which are provided by any embodiment of the disclosure, and the four influence values can be the same or different and are set according to actual scenes, and when the influence value of the target road on the air quality is greater than the preset influence value, the influence of the target road on the air quality of the target area or the monitoring station is larger.
And under the condition that the humidity of the target road is greater than the preset humidity, the water sprinkling equipment is not started to sprinkle water on the target road. It can be understood that, under the condition that the humidity of the target road is greater than the preset humidity, the water on the target road can play a better role in dust suppression, so that the water spraying equipment is not required to be started to spray water on the target road.
According to the technical scheme, under the condition that the humidity of the target road is smaller than the preset humidity, the fact that water does not exist on the target road or the existing water is insufficient to play a good dust suppression role on dust is indicated, in order to further determine whether the target road can have a large influence on the air quality, whether the moment of the target road is the target moment or whether the wind speed and the wind direction of the target road are located in the first target wind speed and the wind direction of the target road or whether the wind direction of the target road is located in the second target wind speed and the wind direction of the weather type corresponding to the target time period is determined, if at least one of the three conditions is met, the fact that the wind speed and the wind direction of the target road at the current moment downwards have a large influence on the air quality of a target area or a monitoring station point is indicated, in this case, in order to avoid the large influence on the air quality, the sprinkling of sprinkling equipment on the target road can be controlled so as to reduce the road dust lifting quantity on the target road, and further reduce the influence on the air quality.
Compared with the scheme of sprinkling water or sprinkling water when the road dust concentration is higher at certain intervals, the sprinkling conditions of the embodiment of the disclosure are more severe, a plurality of conditions such as preset humidity, target moment, first target wind speed and wind direction range, weather type second target wind speed and wind direction range corresponding to the target time period are increased, and therefore sprinkling times are reduced, and waste of water resources is reduced.
In addition, according to the embodiment of the disclosure, the target road is sprayed only when the target moment or the first target wind speed and direction range or the second target wind speed and direction range under the weather corresponding to the target time period is located, namely, the influence of the target road on the air quality is large, and the target road is not sprayed under the condition that the influence value of the air quality is small, so that the waste of water resources is avoided.
Some specific embodiments and alternative embodiments related to the above-mentioned step S101 and step S102 are described below.
In some alternative embodiments, the target time may be obtained by the following steps, and sprinkling water when the time at which the target road is located is the target time.
In step A1, the impact value of the target road on the air quality at different moments is determined.
The road information of the target road and the pollutant emission amount of the pollutant source emitted by the pollutant source on the target road can be input into an air quality model to obtain an influence value of the target road on the air quality, and the method comprises the following steps: and (3) obtaining the influence value by inputting road information of the target road and pollutant discharge amount of a pollution source on the target road and historical meteorological data into an air quality model.
In step A2, a time when the influence value is greater than the third preset influence value is taken as the target time.
The simulation results at a plurality of different moments can be analyzed, and the daily change characteristics of the influence values of each target road on the air quality in each month can be summarized to obtain a change curve graph of the influence values, for example, please refer to the influence at different moments of 1 month shown in fig. 2The graph of values, the X-axis shows time of day and the Y-axis PM of the target link 2.5 Influence value (PM) 2.5 The impact value of (2) is represented in FIG. 2 as PM 2.5 Contribution value), it can be seen from fig. 2 that the influence of the target road on the air quality is greater than the third preset influence value from 6 to 9 in 1 month and from 17 to 23 in 1 month, and therefore, when the current time of the target road is from 6 to 9 in 1 month and from 17 to 23 in 1 month, the sprinkler can be started to spray water.
In step A3, when the current time of the target road is the target time, the sprinkler is started to sprinkler the target road.
In some alternative embodiments, the first target wind speed and direction range may be obtained by spraying water when the wind speed and direction of the target road is within the first target wind speed and direction range.
In step B1, the influence values of the target road on the air quality at different historical moments are clustered to obtain a plurality of groups of first influence values.
The different historical time may be a plurality of different historical time within at least one time period, for example, taking three time periods of three years as an example, the influence values of the target road on the air quality in all the historical time periods of three years can be clustered, so as to obtain a plurality of groups of first influence values.
For example, if all the historical time points in three years are 1 point, 2 point, 3 point, 4 point, 5 point, 6 point, 7 point and 8 point, and the influence values of a certain item mark road on the air quality at the eight different historical time points of 1 point, 2 point, 3 point, 4 point, 5 point, 6 point, 7 point and 8 point are A1, B1, C1, D1, E1, F1, G1 and H1, if the influence values of A1, B1, C1 and D1 are close, the A1, B1, C1 and D1 are divided into a group of first influence values; if the influence values of E1, F1, G1, H1 are close, E1, F1, G1, H1 are divided into another set of first influence values.
In step B2, a first target influence group greater than the first preset influence value is selected from the plurality of groups of first influence values.
For each of the plurality of sets of first influence values, a smallest influence value of the set of first influence values may be compared with a first preset influence value, and if greater than the first preset influence value, the set of first influence values is taken as a first target influence set.
For each of the plurality of sets of first influence values, the average influence value of the set of first influence values may also be compared with a first preset influence value, and if greater than the first preset influence value, the set of first influence values may be taken as the first target influence set.
The impact values in the first target impact group are impact values that have a greater impact on air quality.
For example, if the average or minimum impact value of A1, B1, C1, D1 is greater than the first preset impact value, A1, B1, C1, D1 is taken as the first target impact group.
In step B3, a wind speed and direction range corresponding to the first target influence group is used as the first target wind speed and direction range.
The wind speed and direction range corresponding to the first target influence group is a range formed by a plurality of wind speeds and directions.
The influence values corresponding to the 1 point, the 2 point, the 3 point and the 4 point of a certain target road are A1, B1, C1 and D1, the corresponding wind speeds and directions are A2, B2, C2 and D2, and if the influence values corresponding to the 1 point, the 2 point, the 3 point and the 4 point are formed into a first target influence group, the wind speeds and directions corresponding to the 1 point, the 2 point, the 3 point and the 4 point are formed into wind speed and direction ranges, and the wind speed and the wind direction ranges are used as the first target wind speed and direction ranges. For example, referring to fig. 3, north and south east in fig. 3 represent wind directions, and 1 to 5 represent wind speeds in m/s, and it can be seen from fig. 3 that the first target wind speed and direction range (black area in fig. 3) having a large influence on the air quality is a wind direction range of 330 degrees to 60 degrees and a wind speed range of 0-2m/s, and if the wind speed and direction of the target road is within the first target wind speed and direction range, the influence of the target road on the air quality is large.
In step B4, when the current wind speed and direction of the target road are within the first target wind speed and direction range, starting the sprinkling equipment to sprinkle water on the target road.
When the wind speed and the wind direction of the target road are within the first target wind speed and the wind direction range, the influence value of the target road on the target area or the monitoring station calculated by the air quality model is larger, and at the moment, the sprinkling equipment is required to be started to sprinkle the target road so as to inhibit dust and reduce the influence value of the target road on the target area or the monitoring station.
When comparing the current wind speed and the wind direction of the target road with the first target wind speed and the wind direction range, the wind speed is compared with the first wind speed range, and the wind direction is compared with the first wind direction range.
For example, taking the first target wind speed and direction range as the wind direction range of 330 degrees to 60 degrees and the wind speed range of 0 to 2m/s as an example, when the current wind speed of the target road is located in the wind direction range of 330 degrees to 60 degrees and the current wind speed of the target road is located in the wind speed range of 0 to 2m/s, the air quality influence of the target road on the target area or the monitoring station is larger under the current wind speed and the wind direction.
It is understood that when the humidity on the target road after sprinkling is greater than or equal to the preset humidity, the sprinkling device can be controlled to stop sprinkling the water on the target road.
In some alternative embodiments, the second target wind speed and direction range may be obtained by spraying water when the wind speed and direction of the target road is within the second target wind speed and direction range.
In step C1, the influence values of the target road on the air quality at different historical moments are divided according to different time periods, so as to obtain the influence values corresponding to the different time periods.
The time period may be one month, one quarter, and the disclosure is not limited herein.
For example, taking a time period as a month for example, simulating the influence value of the target road in 2020, 2021 and 2022 on the air quality of the target area or the monitoring station to obtain the influence value of each historical moment in the three years on the air quality of the target area or the monitoring station; and dividing the influence values of 1 month in 2020, 2021 and 2022 into one group of data, dividing the influence values of february in 2020, 2021 and 2022 into another group of data, and so on to obtain the influence values corresponding to 12 months in three historical years respectively.
In step C2, according to the historical meteorological data corresponding to the time period, determining a weather type corresponding to the time period.
The weather pattern corresponding to each time period may be one or more, for example, weather pattern 1, weather pattern 2 and weather pattern 3 corresponding to 1 month of time period, which is not limited in the embodiment of the present disclosure.
According to the historical meteorological data corresponding to the time period, determining the weather type corresponding to the time period comprises the following steps: selecting parting factors of parting areas from historical meteorological data corresponding to time periods as data to be clustered; filtering the data to be clustered; clustering the filtered data to be clustered, and establishing a parting model; and iteratively updating the parting model, and parting the weather situation in the time period by using the parting model to obtain at least one weather model corresponding to the time period.
The historical meteorological data comprises historical wind speed and wind direction data, humidity, temperature and other meteorological data.
In step C3, clustering the plurality of influence values under the weather type corresponding to the time period to obtain a plurality of groups of second influence values.
Clustering a plurality of influence values under weather corresponding to the time period to obtain a plurality of groups of second influence values, wherein the step of obtaining the plurality of groups of second influence values comprises the following steps: and clustering a plurality of influence values when the same weather type appears in the same time period of different time periods to obtain a plurality of groups of second influence values. Of course, multiple impact values of the same weather type may also be clustered in a time period of the same time period, which is not limited by the embodiments of the present disclosure.
The time period includes a time period, for example, when the time period is a year, the included time period may be a month; for another example, when the time period is year, the included time period may be quarter.
For example, taking a period of time as one year and a period of time as one month, the dates of occurrence of the weather type 1 in three years of history are respectively from 1 month to 1 day 10 in 2020, from 11 days to 20 days in 2021, and from 21 days to 31 days in 2022, so that a plurality of influence values when the same weather type 1 occurs in three different years of the same 1 st month in 2020 from 1 month to 10 days, from 11 days to 20 days in 2021, and from 21 days to 31 days in 2022 can be clustered to obtain a plurality of groups of second influence values.
In step C4, a second target influence group greater than the second preset influence value is selected from the plurality of groups of second influence values.
The principle of the step C4 is the same as that of the step B2, and will not be described here again.
In step C5, the wind speed and direction range corresponding to the second target influence group is used as a second target wind speed and direction range under the weather type corresponding to the time period.
The principle of step C5 is the same as that of step B3, and will not be described here again.
And C6, when the current wind speed and direction of the target road are within a second target wind speed and direction range under the weather condition corresponding to the target time period, starting the sprinkling equipment to sprinkle water on the target road.
The following will specifically explain the above steps C1 to C6 by taking a time period as a month as an example, if weather type 1, weather type 2 and weather type 3 are corresponding to 1 month, the dates of occurrence of weather type 1 are respectively 2020 1 month 1 day to 10 days, 2021 1 month 11 day to 20 days, 2022 1 month 21 day to 31 days, so that the influence values of the target road on the air quality in 2020 1 month 1 day to 10 days, 2021 month 11 day to 20 days, 2022 month 1 day 21 day to 31 days can be clustered, and the influence of the weather type 1 under 30 to 50 degrees of air 0-3m/s is larger, and the water spraying device can be automatically started when the weather type 1 under 30 to 50 degrees of air 0-3m/s is set in the control system.
And judging whether the weather type of the target road is weather type 1 or not when the target road is currently located in 1 month, if the weather type 1 is weather type 1, continuously judging whether the current wind speed and the wind direction of the target road are within a second target wind speed and the wind direction range of 30-50 degrees wind 0-3m/s, and if the current wind speed and the wind direction are within the second target wind speed and the wind direction range of 30-50 degrees wind, starting the water sprinkling equipment to sprinkle water.
In the steps A1 to A3, the target road is sprayed only at the target moment, and in the steps B1 to B4, the target road is sprayed only when the wind speed and the wind direction of the target road are within the first target wind speed and the wind direction range, so the conditions of the steps B1 to B4 are more severe than the conditions of the steps A1 to A3.
In step C1 to step C6, considering the weather type and the time period, it is required that the current time of the target road is located in the target time period, the weather type of the target road is the target weather type, and the wind speed and the wind direction of the target road are located in the second target wind speed and the wind direction, it is determined that the influence value of the target road on the air quality is greater than the preset influence value, and the conditions in step C1 to step C6 are more severe than the conditions in step B1 to step B4, so that the obtained second target wind speed and wind direction range is more accurate than the first target wind speed and wind direction range.
Therefore, in some optional embodiments, at the current time, if the humidity of the target road is less than the preset humidity and the time at which the target road is located is the target time, the sprinkler is started to sprinkler the target road, so that it is not necessary to determine whether the wind speed and direction are within the first target wind speed and direction range or within the second target wind speed and direction range under the weather type corresponding to the target time period, and therefore the calculation amount is saved.
And under the current moment, if the humidity of the target road is smaller than the preset humidity and the moment of the target road is a non-target moment, judging whether the wind speed and the wind direction are within a first target wind speed and wind direction range, and if so, starting the sprinkling equipment to sprinkle the target road without judging whether the wind speed and the wind direction are within a second target wind speed and wind direction range under the weather type corresponding to the target time period, thereby saving the calculated amount.
And under the current moment, if the humidity of the target road is smaller than the preset humidity and the wind speed and direction are out of the first target wind speed and direction range, judging whether the wind speed and direction are in the second target wind speed and direction range, and if so, starting the sprinkling equipment to sprinkle the target road.
In some alternative embodiments, the watering device may be controlled not to activate by the following steps.
In step D1, the sprinkler is not started in case the humidity of the target road is less than the preset humidity and the following condition is satisfied:
and the moment of the target road is a non-target moment.
And in the second condition, the wind speed and the wind direction of the target road are positioned outside the first target wind speed and wind direction range.
And in the third condition, the time period of the target road is the target time period or the weather type of the target road is not the target weather type or the wind speed and the wind direction of the target road are out of the second target wind speed and wind direction range.
Under the condition that all the three conditions are met, the influence value of the target road on the air quality is smaller than or equal to the preset influence value, and the air quality is not greatly influenced even if the target road is not sprayed with water.
In some scenes, when the target road is located in the downwind direction of the target area or the monitoring station, the influence value of the air quality model simulation to the air quality of the target area or the monitoring station is lower than a preset influence value, and if the moment of the target road is not the target moment, the wind speed and the wind direction of the target road are not located in the first wind speed and wind direction range and are not located in the second wind speed and wind direction range of the weather type corresponding to the target time period, namely, when the influence value of the target road to the air quality is smaller, sprinkling of water to the target road is not needed, and therefore waste of water resources is reduced; because the influence value of the target road on the air quality is below the preset influence value, the influence on the air quality is small, and even if the target road is not sprayed with water, the target road can not have great influence on the air quality.
Fig. 4 is a block diagram illustrating an apparatus for improving air quality according to an exemplary embodiment. Referring to fig. 4, the air quality improving apparatus 400 includes: a humidity monitoring module 410 and a starting module 420;
a humidity monitoring module 410 configured to monitor humidity of a target road;
a starting module 420 configured to start the sprinkler to sprinkle the target road if the humidity of the target road is less than a preset humidity and at least one of the following conditions is satisfied:
the moment of the target road is the target moment, the wind speed and the wind direction of the target road are in the first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are in the second target wind speed and wind direction range under the weather corresponding to the target time period.
Optionally, the preset influence value includes a first preset influence value, and the apparatus 400 for improving air quality includes:
the clustering module is configured to cluster the influence values of the target road on the air quality at different historical moments to obtain a plurality of groups of first influence values;
a screening module configured to screen a first target influence group greater than the first preset influence value from the plurality of groups of first influence values;
The first target wind speed and direction range determining module is configured to take a wind speed and direction range corresponding to the first target influence group as the first target wind speed and direction range.
Optionally, the apparatus 400 for improving air quality includes:
the dividing module is configured to divide the influence values of the target road on the air quality at different historical moments according to different time periods to obtain the influence values corresponding to the different time periods;
the weather type module is configured to determine weather types corresponding to the time periods according to the historical meteorological data corresponding to the time periods;
the second target wind speed and direction range determining module is configured to determine a second target wind speed and direction range under the weather type corresponding to the time period according to the influence value corresponding to the time period.
Optionally, the preset influence value includes a second preset influence value, and the second target wind speed and wind direction range determining module includes:
the clustering sub-module is configured to cluster a plurality of influence values under the weather type corresponding to the time period to obtain a plurality of groups of second influence values;
a screening sub-module configured to screen a second target influence group greater than the second preset influence value from the plurality of groups of second influence values;
And the second target wind speed and wind direction range determining submodule is configured to take the wind speed and wind direction range corresponding to the second target influence group as a second target wind speed and wind direction range under the weather type corresponding to the time period.
Optionally, the preset influence value includes a third preset influence value, and the apparatus 400 for improving air quality includes:
an impact value determination module configured to determine impact values of the target road on air quality at different times;
and the target moment determining module is configured to take the moment when the influence value is larger than the third preset influence value as the target moment.
Optionally, the apparatus 400 for improving air quality includes:
and the simulation module is configured to input the road information of the target road and the pollutant emission amount of the pollutant source emitted on the target road into an air quality model to obtain the influence value of the target road on the air quality.
Optionally, the apparatus 400 for improving air quality includes:
a prohibition start module configured to not start the sprinkler apparatus if the humidity of the target road is less than the preset humidity and the following condition is satisfied:
the moment of the target road is a non-target moment;
The wind speed and direction of the target road are located outside the first target wind speed and direction range;
the time period of the target road is the target time period or the weather type of the target road is not the target weather type or the wind speed and the wind direction of the target road are located outside the second target wind speed and wind direction range.
The specific manner in which the various modules perform the operations in the apparatus of the above embodiments have been described in detail in connection with the embodiments of the method, and will not be described in detail herein.
The present disclosure also provides a computer readable storage medium having stored thereon computer program instructions which, when executed by a processor, implement the steps of the method of improving air quality provided by the present disclosure.
Fig. 5 is a block diagram illustrating an apparatus 500 for improving air quality according to an exemplary embodiment. For example, the apparatus 500 may be provided as a server. Referring to fig. 5, apparatus 500 includes a processing component 522 that further includes one or more processors and memory resources represented by memory 532 for storing instructions, such as applications, executable by processing component 522. The application programs stored in the memory 532 may include one or more modules each corresponding to a set of instructions. Further, the processing component 522 is configured to execute instructions to perform the method of improving air quality described above.
The apparatus 500 may also include a power component 526 configured to perform power management of the apparatus 500, a wired or wireless network interface 550 configured to connect the apparatus 500 to a network, and an input/output interface 558. The apparatus 500 may operate based on an operating system stored in the memory 532.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure. This disclosure is intended to cover any adaptations, uses, or adaptations of the disclosure following the general principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It is to be understood that the present disclosure is not limited to the precise arrangements and instrumentalities shown in the drawings, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A method of improving air quality comprising:
monitoring the humidity of a target road;
Starting a sprinkling device to sprinkle water on the target road under the condition that the humidity of the target road is less than a preset humidity and at least one of the following conditions is met:
the moment of the target road is the target moment, the wind speed and the wind direction of the target road are in a first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are in a second target wind speed and wind direction range under weather corresponding to a target time period;
when the wind speed and direction of the target road are within the first target wind speed and direction range or the wind speed and direction of the target road are within the second target wind speed and direction range, the influence value of the target road on the air quality is larger than a preset influence value.
2. The method of claim 1, wherein the preset influence value comprises a first preset influence value, the method further comprising:
clustering influence values of the target road on the air quality at different historical moments to obtain a plurality of groups of first influence values;
screening a first target influence group which is larger than the first preset influence value from the plurality of groups of first influence values;
and taking the wind speed and direction range corresponding to the first target influence group as the first target wind speed and direction range.
3. The method according to claim 1, wherein the method further comprises:
dividing the influence values of the target road on the air quality at different historical moments according to different time periods to obtain the influence values corresponding to the different time periods;
determining weather types corresponding to the time periods according to the historical meteorological data corresponding to the time periods;
and determining a second target wind speed and direction range under the weather type corresponding to the time period according to the influence value corresponding to the time period.
4. A method according to claim 3, wherein the preset influence value comprises a second preset influence value, and determining a second target wind speed and direction range in a weather type corresponding to the time period according to the influence value corresponding to the time period comprises:
clustering a plurality of influence values under the weather conditions corresponding to the time period to obtain a plurality of groups of second influence values;
screening a second target influence group which is larger than the second preset influence value from the plurality of groups of second influence values;
and taking the wind speed and direction range corresponding to the second target influence group as a second target wind speed and direction range under the weather type corresponding to the time period.
5. The method of claim 1, wherein the preset influence value comprises a third preset influence value, the method further comprising:
determining the influence value of the target road on the air quality at different moments;
and taking the moment when the influence value is larger than the third preset influence value as the target moment.
6. The method according to claim 1, wherein the method further comprises:
and inputting the road information of the target road and pollutant emission amount of the pollutant source emitted by the pollution source on the target road into an air quality model to obtain an influence value of the target road on air quality.
7. The method according to claim 1, wherein the method further comprises:
and under the condition that the humidity of the target road is less than the preset humidity and the following conditions are met, not starting the water spraying equipment:
the moment of the target road is a non-target moment;
the wind speed and direction of the target road are located outside the first target wind speed and direction range;
the time period of the target road is the target time period or the weather type of the target road is not the target weather type or the wind speed and the wind direction of the target road are located outside the second target wind speed and wind direction range.
8. An apparatus for improving air quality comprising:
a humidity monitoring module configured to monitor humidity of a target road;
the starting module is configured to start the sprinkling equipment to sprinkle the target road under the condition that the humidity of the target road is less than the preset humidity and at least one of the following conditions is met:
the moment of the target road is the target moment, the wind speed and the wind direction of the target road are in the first target wind speed and wind direction range, and the wind speed and the wind direction of the target road are in the second target wind speed and wind direction range under the weather corresponding to the target time period.
9. An apparatus for improving air quality comprising:
a processor;
a memory for storing processor-executable instructions;
wherein the processor is configured to:
the method of any of the preceding claims 1-7 is performed.
10. A computer readable storage medium having stored thereon computer program instructions, which when executed by a processor, implement the steps of the method of any of claims 1 to 7.
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