CN109814549B - Method, device and system for determining pollution source position - Google Patents
Method, device and system for determining pollution source position Download PDFInfo
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- CN109814549B CN109814549B CN201811636099.9A CN201811636099A CN109814549B CN 109814549 B CN109814549 B CN 109814549B CN 201811636099 A CN201811636099 A CN 201811636099A CN 109814549 B CN109814549 B CN 109814549B
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000005070 sampling Methods 0.000 claims abstract description 67
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 55
- 231100000719 pollutant Toxicity 0.000 claims abstract description 55
- 230000011218 segmentation Effects 0.000 claims abstract description 8
- 238000011109 contamination Methods 0.000 claims description 24
- 238000012163 sequencing technique Methods 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000356 contaminant Substances 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
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Abstract
The application discloses a method, a device and a system for determining the position of a pollution source. The method for determining the pollution source position comprises the following steps: setting a cutting line according to wind direction data of a region to be detected, wherein a starting point and an end point of the cutting line are positioned on the boundary of the region to be detected; determining a reference point according to pollution data of the parting line, wherein the pollution data of the parting line comprises pollutant concentration and position data of each sampling point on the parting line; determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the segmentation line and passes through the reference point; and determining the position of the pollution source according to the pollution data of the path line, wherein the pollution data of the path line comprises the pollutant concentration and position data of each sampling point on the path line.
Description
Technical Field
The application belongs to the field of environmental monitoring, and particularly relates to a method, a device and a system for determining the position of a pollution source.
Background
The supervision of atmospheric pollution is more and more paid attention to, and is limited by human power and financial resources, and the supervision departments cannot carry out all-round supervision on all areas, but set the supervision resources in the areas with serious pollution and need important supervision.
At present, the method for checking the pollution sources in the areas needing to be monitored is carried out by manually checking one by one. The method not only needs large-scale data analysis of the supervision area in advance, but also needs a large number of people, is large in workload, causes time cost and labor cost, and is relatively low in working efficiency.
Disclosure of Invention
The embodiment of the application provides a method for determining the position of a pollution source, which comprises the following steps: setting a cutting line according to wind direction data of a region to be detected, wherein a starting point and an end point of the cutting line are positioned on the boundary of the region to be detected; determining a reference point according to the pollution data of the parting line, wherein the pollution data of the parting line comprises the pollutant concentration and position data of each sampling point on the parting line; determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the cutting line and passes through the reference point; and determining the position of a pollution source according to the pollution data of the path line, wherein the pollution data of the path line comprises the pollutant concentration and position data of each sampling point on the path line.
In the above method for determining a location of a pollution source, determining a reference point according to the pollution data of the parting line includes: and taking a sampling point, on the cutting line, of which the pollutant concentration is higher than the pollution average value of the area to be detected as a reference point.
In the above method for determining a location of a pollution source, determining a reference point according to the pollution data of the parting line includes: sequencing sampling points on the segmentation line according to the concentration of pollutants; and taking the sampling point with high pollutant concentration on the cutting line as a reference point according to a preset proportion and a sequencing result.
In the method for determining the position of the pollution source, the determining the position of the pollution source according to the pollution data of the path line includes: and taking a sampling point with the pollutant concentration higher than the pollution average value of the area to be detected on the path line as a pollution source.
In the method for determining the position of the pollution source, the determining the position of the pollution source according to the pollution data of the path line includes: sequencing sampling points on the path line according to the concentration of the pollutants; and taking the sampling point with high pollutant concentration on the path line as a pollution source according to the preset proportion and the sequencing result.
The embodiment of the application also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the method for determining the pollution source position when executing the program.
The embodiment of the application also provides a computer readable storage medium, on which a processor program is stored, wherein the processor program is used for executing the method for determining the pollution source position.
The embodiment of the application also provides a device for determining the position of the pollution source, which comprises the following steps: the cutting line setting module is used for setting a cutting line according to wind direction data of a region to be detected, and a starting point and an end point of the cutting line are positioned on the boundary of the region to be detected; the reference point determining module is used for determining a reference point according to the pollution data of the parting line, wherein the pollution data of the parting line comprises the pollutant concentration and position data of each sampling point on the parting line; the path line determining module is used for determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the cutting line and passes through the reference point; and the pollution source position determining module is used for determining the position of the pollution source according to the pollution data of the path line, wherein the pollution data of the path line comprises the pollutant concentration and position data of each sampling point on the path line.
In the above device for determining a position of a contamination source, the reference point determining module uses a sampling point on the slicing line where the concentration of the contamination is higher than the average value of the contamination in the area to be detected as the reference point.
In the device for determining the position of the pollution source, the reference point determining module ranks the sampling points on the cutting line according to the concentration of the pollutant; and taking the sampling point with high pollutant concentration on the cutting line as a reference point according to a preset proportion and a sequencing result.
In the above device for determining a pollution source position, the pollution source position determining module uses a sampling point on the path line, where the concentration of the pollutant is higher than the pollution average value of the area to be detected, as the pollution source.
In the device for determining the position of the pollution source, the pollution source position determining module ranks the sampling points on the path line according to the concentration of the pollutant, and takes the sampling points with high concentration of the pollutant on the path line as the pollution source according to the preset proportion and the ranking result.
The embodiment of the application also provides a system for determining the position of the pollution source, which comprises mobile equipment and a device for determining the position of the pollution source, wherein the device for determining the position of the pollution source is the device for determining the position of the pollution source; the device for determining the pollution source position sends the set segmentation line information to the mobile equipment; the mobile equipment moves along the parting line and collects pollution data of the parting line, and the pollution data of the parting line is sent to the device for determining the pollution source position; the device for determining the pollution source position sends path line information to the mobile equipment; the mobile equipment moves along the path line and collects pollution data of the path line, and the pollution data of the path line is sent to the device for determining the pollution source position.
According to the method, the device and the system for determining the pollution source position, the position of the pollution source is automatically determined through equipment, and the efficiency of pollution source investigation is improved; the position of the pollution source exceeding the standard can be locked rapidly, and the labor cost is saved.
Drawings
FIG. 1 is a flow chart of a method of determining the location of a contamination source according to an embodiment of the present application.
FIG. 2 is a schematic diagram of an apparatus for determining the location of a source of contamination in accordance with an embodiment of the present application.
FIG. 3 is a schematic diagram of a system for determining the location of a source of contamination in accordance with an embodiment of the present application.
Detailed Description
The following detailed description of specific embodiments of the application is provided in connection with the accompanying drawings and examples in order to provide a better understanding of the application and its various aspects and advantages. However, the following description of specific embodiments and examples is for illustrative purposes only and is not intended to be limiting of the application.
The term "coupled" as used herein is to be interpreted broadly, unless explicitly stated or limited otherwise, as the term "coupled" as used herein, as defined in the context of the present application, as defined in the claims, and as the term "coupled" as used herein, as defined in the claims. In the description of the present application, it should be understood that the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices 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 application.
FIG. 1 is a flow chart of a method of determining the location of a contamination source according to an embodiment of the present application. As shown in fig. 1, the method of determining the location of a pollution source of the present embodiment includes the following steps.
Step S101, setting a cutting line according to wind direction data of a region to be detected (region for short), wherein the starting point and the end point of the cutting line are positioned on the boundary of the region to be detected.
The wind direction of the area to be detected can be obtained through the monitoring equipment, and the wind direction can influence the spread of pollutants. The tangential line is set according to the wind direction of the area to be detected, and the tangential line can extend along the direction of the wind direction, i.e. the direction from the start point to the end point of the tangential line is the same as the direction of the wind direction. The tangential line may also extend against the wind direction, i.e. the direction from the start point to the end point of the tangential line is opposite to the direction of the wind direction.
The start point and the end point of the cutting line are positioned on the boundary of the area to be detected, so that the cutting line divides the area into two parts. Alternatively, the cut lines divide the area equally according to the area of the area.
Step S102, determining a reference point according to the pollution data of the parting line, wherein the pollution data of the parting line comprises the pollutant concentration and position data of each sampling point on the parting line.
The mobile device moves from the start point to the end point of the cutting line according to the set cutting line, and the mobile device comprises a detector and can be used for detecting pollution data. The detection period of the detector can be set according to the situation, for example, 30 seconds/time, and the mobile device can sample every 30 seconds when moving on the cutting line, so as to detect the concentration of the pollutant. The pollution data of the parting line obtained by the mobile device comprises the pollutant concentration and position data of each sampling point on the parting line.
And determining a sampling point with higher pollutant concentration in all sampling points on the cutting line as a reference point according to the pollution data of the cutting line.
Step S103, determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the cutting line and passes through the reference point. That is, a perpendicular line to the tangential line is drawn on the plane through the reference point, and a line segment in which the perpendicular line is located in the region is taken as a path line.
Step S104, determining the position of a pollution source according to pollution data of the path line, wherein the pollution data of the path line comprises pollutant concentration and position data of each sampling point on the path line.
After the path line is determined, the mobile device moves along the path line, pollution data of all sampling points on the path line are collected, and the pollution data of the path line comprise pollutant concentration and position data of all the sampling points on the path line.
And according to the pollution data of the path line, taking the sampling point with higher pollutant concentration in the sampling points on the path line as a pollution source, wherein the pollution data of the path line contains the position information of the pollution source, so that the position of the pollution source is determined.
According to the method for determining the pollution source position, the pollution source position is determined by collecting pollution data through the mobile equipment, so that the pollution source position exceeding the standard can be locked rapidly, and the labor cost is saved.
In the method for determining the pollution source position, the pollution average value of the area can be obtained first, and when the reference point is determined according to the pollution data of the parting line, the sampling point, on which the pollutant concentration on the parting line is higher than the pollution average value of the area to be detected, is taken as the reference point.
In another scheme, after the pollution data of the parting line are collected, sorting sampling points on the parting line according to the concentration of pollutants; and taking a sampling point with high pollutant concentration on the cutting line as a reference point according to a preset proportion and a sequencing result. If the preset proportion is set to 20%, sorting sampling points on the cutting line from high to low according to the concentration of pollutants, and taking the first 20% of sampling points as reference points according to the sorting result.
In the method for determining the position of the pollution source, determining the position of the pollution source according to the pollution data of the path line includes: and taking a sampling point on the path line, wherein the concentration of the pollutant is higher than the pollution average value of the area, as a pollution source.
In another scheme, after the pollution data of the path line are collected, sorting sampling points on the path line according to the concentration of pollutants; and taking the sampling point with high pollutant concentration on the path line as a pollution source according to the preset proportion and the sequencing result. If the preset proportion is set to 20%, the sampling points on the path line are ranked from high to low according to the concentration of the pollutants, and the first 20% of sampling points are determined to be pollution sources according to the ranking result.
In this embodiment, the cutting line and the path line may be straight lines or curved, for example, the cutting line and the path line encounter an obstacle in extension, so that the obstacle can be avoided, so as to facilitate movement of the mobile device.
When the pollution data of the cutting line is collected, the mobile device can move from the starting point to the end point along the cutting line and then move along the path line. In another scheme, when the mobile equipment moves along the parting line from the starting point, a certain sampling point is determined as a reference point, the mobile equipment changes to move along a path line passing through the reference point, and pollution data of the path line are collected; after the pollution data of the path line are collected, the mobile equipment continues to move along the parting line, and the steps are repeated until the mobile equipment reaches the end point of the parting line.
The present embodiment also provides a computer-readable storage medium having stored thereon a processor program for performing the above-described method of determining a location of a contamination source.
The embodiment of the application also provides electronic equipment, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor realizes the method for determining the pollution source position when executing the program.
FIG. 2 is a schematic diagram of an apparatus for determining the location of a source of contamination in accordance with an embodiment of the present application. As shown in fig. 2, the apparatus for determining a location of a pollution source according to the present embodiment includes: a segmentation line setting module 201, a reference point determining module 202, a path line determining module 203 and a pollution source position determining module 204.
The cutting line setting module 201 receives the wind direction data of the area transmitted by the monitoring device, and sets the cutting line according to the wind direction data of the area. The starting point and the end point of the cutting line are positioned on the boundary of the area to be detected, and the cutting line can extend along the wind direction from the starting point to the end point or can extend against the wind direction. The cut line will divide the area in two. Optionally, the cutting line divides the area equally according to the area of the area.
And according to the set parting line, the mobile equipment moves along the parting line, and the pollution data of the pollution data parting line of the acquired parting line comprises the pollutant concentration and position data of each sampling point on the parting line.
The reference point determining module 202 determines, as the reference point, a sampling point with a higher concentration of the contaminant among the sampling points on the slicing line according to the contamination data of the slicing line.
The path line determining module 203 determines a path line according to the position data of the reference point, the path line is perpendicular to the cutting line, passes through the reference point, and the start point and the end point of the path line are located on the boundary of the region.
After the path line is determined, the mobile device moves along the path line, pollution data of all sampling points on the path line are collected, and the pollution data of the path line comprise pollutant concentration and position data of all the sampling points on the path line.
The pollution source position determining module 204 uses the sampling point with higher pollutant concentration in the sampling points on the path line as the pollution source according to the pollution data of the path line, the pollution data of the path line contains the position information of the pollution source, and the pollution source position determining module 204 identifies the position of the pollution source in the area.
Optionally, the reference point determining module 202 uses, as the reference point, a sampling point on the dicing line having a higher contaminant concentration than the average of the contamination of the area to be detected, according to the average of the contamination of the area to be detected.
In another approach, the reference point determination module 202 ranks the sampling points on the slicing line according to the contaminant concentration; and taking a sampling point with high pollutant concentration on the cutting line as a reference point according to a preset proportion and a sequencing result. The preset proportion can be determined according to actual conditions.
Optionally, the pollution source position determining module 204 uses, as the pollution source, a sampling point on the path line with a concentration of the pollutant higher than the pollution average value of the area to be detected according to the pollution average value of the area to be detected.
In another scheme, the pollution source position determining module 204 sorts the sampling points on the path line according to the pollutant concentration, and uses the sampling points with high pollutant concentration on the path line as the pollution source according to the preset proportion and the sorting result. The preset proportion can be determined according to actual conditions.
FIG. 3 is a schematic diagram of a system for determining the location of a source of contamination in accordance with an embodiment of the present application. As shown in fig. 3, the system for determining a pollution source position of the present embodiment includes: a mobile device 301 and means for determining the location of a source of pollution (means for short) 302. The means 302 for determining the location of the source of contamination is the means for determining the location of the source of contamination described above. Information may be transferred between mobile device 301 and apparatus 302 via wireless signals.
The slicing line setting module 201 of the apparatus 302 sets slicing lines according to the wind direction data, and then sends the set slicing line information to the mobile device 301. Alternatively, the slicing line setting module 201 is disposed on the mobile device 301 and moves along with the mobile device 301, so as to facilitate information transmission. The mobile device 301 may be an unmanned aerial vehicle or a vehicle, or may be other carrier. If the mobile device 301 is an unmanned aerial vehicle, the set cutting line may be a straight line. If the mobile device 301 is a vehicle, the set cut line may be curved, facilitating the vehicle to bypass the obstacle.
The mobile device 301 moves along the dicing line and collects the contamination data of the dicing line, and sends the contamination data of the dicing line to the apparatus 302. The reference point determination module 202 of the apparatus 302 determines a reference point based on the contamination data of the cut line. The path line determining module 203 determines a path line according to the position data of the reference point. The route determination module 203 may also be provided on the mobile device 301.
The apparatus 302 transmits the route information to the mobile device 301, and the mobile device 301 moves along the route and collects the pollution data of the route, and transmits the pollution data of the route to the apparatus 302. The pollution source location determination module 204 of the device 302 determines the location of the pollution source based on the pollution data of the path line.
If there is no mobile device in the area to be detected, the apparatus 302 sends the set segmentation line information to the mobile device 301 closest to the area, and the mobile device 301 moves to the starting point of the segmentation line to start data acquisition.
The method, the device and the system for determining the pollution source position can find the pollution hot spot in real time, thereby rapidly locking the pollution source position of the out-of-standard emission and avoiding the complicated process of manual investigation one by one. The method of the embodiment can be combined with other pollution monitoring modes, such as a hot spot grid monitoring mode, and the two modes complement each other and calibrate each other, so that the comprehensive monitoring of the atmospheric pollution is truly realized.
It should be noted that the above embodiments described above with reference to the drawings are only for illustrating the present application and not for limiting the scope of the present application, and it should be understood by those skilled in the art that modifications or equivalent substitutions to the present application are intended to be included in the scope of the present application without departing from the spirit and scope of the present application. Furthermore, unless the context indicates otherwise, words occurring in the singular form include the plural form and vice versa. In addition, unless specifically stated, all or a portion of any embodiment may be used in combination with all or a portion of any other embodiment.
Claims (5)
1. A method of determining a location of a source of contamination, comprising:
setting a cutting line according to wind direction data of a region to be detected, wherein a starting point and an end point of the cutting line are positioned on the boundary of the region to be detected;
determining a reference point according to the pollution data of the parting line, wherein the pollution data of the parting line comprises the pollutant concentration and position data of each sampling point on the parting line; wherein, the determining a reference point according to the pollution data of the cutting line includes: taking a sampling point, on the cutting line, of which the pollutant concentration is higher than the pollution average value of the area to be detected as a reference point; or sequencing the sampling points on the cutting line according to the pollutant concentration, and taking the sampling points with high pollutant concentration on the cutting line as reference points according to the preset proportion and sequencing result;
determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the cutting line and passes through the reference point; determining the position of a pollution source according to the pollution data of the path line, wherein the pollution data of the path line comprises the pollutant concentration and position data of each sampling point on the path line; wherein, the determining the position of the pollution source according to the pollution data of the path line comprises: taking a sampling point on the path line, the concentration of which is higher than the pollution average value of the area to be detected, as a pollution source; or sequencing sampling points on the path line according to the concentration of the pollutants; and taking the sampling point with high pollutant concentration on the path line as a pollution source according to the preset proportion and the sequencing result.
2. An electronic device comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, wherein the processor implements the method of determining a location of a contamination source of claim 1 when the program is executed by the processor.
3. A computer readable storage medium having stored thereon a processor program for performing the method of determining a location of a contamination source of claim 1.
4. An apparatus for determining the location of a source of contamination, comprising:
the cutting line setting module is used for setting a cutting line according to wind direction data of a region to be detected, and a starting point and an end point of the cutting line are positioned on the boundary of the region to be detected;
the reference point determining module is used for determining a reference point according to the pollution data of the parting line, wherein the pollution data of the parting line comprises the pollutant concentration and position data of each sampling point on the parting line; the reference point determining module takes a sampling point, on the cutting line, of which the pollutant concentration is higher than the pollution average value of the area to be detected as a reference point; or the reference point determining module ranks sampling points on the segmentation line according to the pollutant concentration; according to a preset proportion and a sequencing result, taking a sampling point with high pollutant concentration on the cutting line as a reference point;
the path line determining module is used for determining a path line according to the position data of the reference point, wherein the path line is perpendicular to the cutting line and passes through the reference point;
the pollution source position determining module is used for determining the position of a pollution source according to the pollution data of the path line, wherein the pollution data of the path line comprises the pollutant concentration and position data of each sampling point on the path line; the pollution source position determining module takes sampling points, of which the pollutant concentration on the path line is higher than the pollution average value of the area to be detected, as a pollution source; or the pollution source position determining module ranks sampling points on the path line according to the pollutant concentration, and takes the sampling points with high pollutant concentration on the path line as the pollution source according to the preset proportion and the ranking result.
5. A system for determining the location of a source of contamination comprising a mobile device and means for determining the location of a source of contamination as claimed in claim 4;
the device for determining the pollution source position sends the set segmentation line information to the mobile equipment;
the mobile equipment moves along the cutting line to collect pollution data of the cutting line, and the pollution data of the cutting line is sent to the device for determining the pollution source position;
the device for determining the pollution source position sends path line information to the mobile equipment;
the mobile equipment moves along the path line and collects pollution data of the path line, and the pollution data of the path line is sent to the device for determining the pollution source position.
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| CN110376343B (en) * | 2019-06-04 | 2021-03-23 | 中国环境科学研究院 | Method and device for accurately diagnosing pollution source and electronic device |
| CN110850030A (en) * | 2019-11-18 | 2020-02-28 | 山东汇力环保科技有限公司 | Miniature air station and environment monitoring method |
| CN115792137B (en) * | 2023-01-17 | 2023-06-06 | 河北先河环保科技股份有限公司 | Atmospheric pollution tracing method and device and terminal |
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