CN112213243A - Dust emission degree detection system, dust emission degree detection method, and computer storage medium - Google Patents
Dust emission degree detection system, dust emission degree detection method, and computer storage medium Download PDFInfo
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Abstract
The invention provides a dust emission degree detection system, a dust emission degree detection method and a computer storage medium, wherein the dust emission degree detection system comprises a test area, and test dust is arranged on the test area; the dust detectors are arranged on two sides of the test area; and the processor is connected with the dust detector and is used for acquiring a dust concentration value measured by the dust detector and determining the dust flying degree according to the dust concentration value. According to the dust emission degree detection system provided by the invention, the dust concentration values at different positions in the test area are detected simultaneously by the plurality of dust detectors, so that the uniform detection of the dust concentration values at all the positions in the test area is realized, accurate data is further provided for finally determining the dust emission degree of the test area, and the dust emission degree detection system is simple in structure and easy to realize. The dust concentration of a plurality of dust concentrations of different positions of the test area is processed and calculated, and the dust flying degree is finally obtained, so that the accuracy of dust flying degree detection is improved.
Description
The present application claims priority from chinese patent application entitled "dust emission level detection system, dust emission level detection method, and computer storage medium" filed by the chinese patent office at 09/25/2020, which is incorporated herein by reference in its entirety.
Technical Field
The invention relates to the technical field of environmental protection equipment, in particular to a dust emission degree detection system, a dust emission degree detection method and a computer storage medium.
Background
In the related art, when the flying dust degree is detected, the dust floating in the air is very easily influenced by the air flow to deflect, so that the detector can not detect or the measured dust concentration is very low, and the detection result of the flying dust degree has a large error and has no reference value.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, a first object of the present invention is to provide a dust level detection system.
The second purpose of the invention is to provide a dust emission degree detection method.
A third object of the present invention is to provide a computer storage medium.
In view of the above, a first aspect of the present invention provides a dust level detection system, comprising; the testing area is provided with testing dust; the dust detectors are arranged on two sides of the test area; and the processor is connected with the dust detector and is used for acquiring a dust concentration value measured by the dust detector and determining the dust flying degree according to the dust concentration value.
According to the dust flying degree detection system provided by the invention, the plurality of dust detectors are arranged on two sides of the test area, and the plurality of dust detectors are connected with the processor, so that the processor can determine the dust flying degree according to the dust concentration detected by the dust detectors. Further, a plurality of dust detection appearance can distribute in the both sides of test area by equidistance to can detect the dust concentration of test area uniformly, thereby realize gathering the dust concentration of each different positions of test area, guarantee to detect the accuracy of data. Specifically, when the raise dust takes place, detect the dust concentration of the different positions of test area both sides simultaneously through a plurality of dust detector, the rethread treater obtains a plurality of dust concentration values of the different positions of test area, handles the calculation to a plurality of dust concentration values, finally obtains this raise dust phenomenon's raise dust degree.
According to the dust emission degree detection system provided by the invention, the dust concentration values at different positions in the test area are detected simultaneously by the plurality of dust detectors, so that the uniform detection of the dust concentration values at all the positions in the test area is realized, accurate data is further provided for finally determining the dust emission degree of the test area, and the dust emission degree detection system is simple in structure and easy to realize. Furthermore, the dust concentration of a plurality of dust at different positions of the test area is processed and calculated, and the dust flying degree is finally obtained, so that the accuracy of dust flying degree detection is improved.
Furthermore, the dust emission degree detection system provided by the invention can be applied to detecting the dust emission degree in the vehicle running process. Specifically, the test area is provided with dust, when the dust emission degree of the vehicle in the running process is tested, the vehicle is firstly driven at rated power, and the vehicle tire passes through the test area and generates dust emission so as to simulate the dust emission phenomenon of the vehicle when the vehicle runs on a road; at this moment, the dust concentration of different positions at two sides of the test area is detected by a plurality of dust detectors arranged at two sides of the test area, and then the raised dust degree can be determined by the processor according to a plurality of dust concentration values, so that the raised dust degree in the running process of the vehicle can be obtained. The dust emission degree detection system provided by the invention can simulate the dust emission phenomenon of a vehicle running on a road, so that the dust emission degree of the vehicle running process is detected, the process is simple and easy to realize, and the test result is accurate.
In addition, the dust emission degree detection system provided by the embodiment of the invention can also have the following additional technical characteristics:
in above-mentioned technical scheme, furtherly, raise dust degree detecting system still includes first dust removal piece, and first dust removal piece sets up in the entrance of test area.
In the technical scheme, when the dust emission degree of the vehicle in the running process is detected, the vehicle is firstly controlled to drive on the first dust removal part at a rated power, enters the test area through the inlet of the test area, and then drives on the test dust, so that the dust emission phenomenon of the vehicle in the running process on the road is simulated. Before the vehicle drives into the test area, clear away adnexed earth dust on with the vehicle tire through first dust removal piece to avoided the dust that the vehicle tire originally carried to cause the interference to the test result, caused raise dust degree testing result to appear the error, further improved raise dust degree testing result's accuracy.
Specifically, first dust removal piece can be rubber carpet, gets rid of the attached earth dust on the vehicle tire through the adhesive force of rubber, and simple structure easily realizes, low cost.
In any of the above technical solutions, further, the dust emission degree detection system further includes a plurality of test rods, the plurality of test rods are disposed on two sides of the test area; the dust detector is arranged on the test rod.
In this technical scheme, set up a plurality of test bars through the both sides at the test area territory, can realize setting up a plurality of dust detection appearance respectively on the test bar to can select the height of dust detection appearance apart from ground according to the test demand of difference, and then can detect the dust concentration in the air of co-altitude not of pertinence, further improved the accuracy of the testing result of raise dust degree.
Further, the test rod can set up to multistage retractable, and the multistage body of rod is telescopic in proper order and sets up in adjacent pole internal, sets up the dust detector in the one end of test rod, through the length of adjusting the test rod, can adjust the height of dust detector apart from ground, simple structure, convenient operation.
In any one of the above technical solutions, further, the dust degree detection system further includes a second dust removal member, and the second dust removal member is disposed at an outlet of the test area.
In this technical scheme, in the exit of test area territory, can also be provided with the second piece that removes dust, when the raise dust degree that detects the vehicle process of traveling, through removing dust the piece and setting up in the exit of test area territory with the second to make when the vehicle drives away from the test area territory, the test dust that adheres to and on the vehicle tire can clear away under the dust removal effect of second piece that removes dust, avoids on the vehicle tire adnexed dust to cause the pollution to other road surfaces.
Specifically, the second dust removal piece can be a rubber carpet, soil and dust attached to the vehicle tire are removed through the adhesive force of rubber, the structure is simple, the implementation is easy, and the cost is low.
According to a second aspect of the present invention, there is provided a dust level detecting method for a dust level detecting system according to any one of the above technical solutions, including: acquiring a preset dust concentration value of a test area; determining an effective value of the dust concentration value from the plurality of dust concentration values; determining a dust height value according to the effective value; and determining the dust raising degree according to the dust raising degree value.
According to the method for detecting the dust flying degree, the dust concentration of different positions of a test area is detected through a plurality of dust detectors, the dust floats in the air and is easily influenced by the air flow to deviate, even if no wind exists, the dust concentration cannot be detected or is extremely low by some dust detectors, and the dust concentration value cannot be used as a detection basis for the dust flying degree of the test area. Therefore, before the raise dust degree is determined, a plurality of detected dust concentrations need to be screened to determine the effective value of the dust concentration, then the effective value of the dust concentration is processed and calculated to obtain the raise dust degree value of a test area, and finally the raise dust degree of the raise dust phenomenon is determined according to the raise dust degree value.
According to the method for detecting the dust flying degree, the dust concentration values of different positions in the test area are obtained, the dust concentration values are screened to obtain the effective values of the dust concentration values, data are accurately and reliably acquired, the dust flying degree value is further obtained through processing and calculation according to the effective values, and finally the dust flying degree of the dust flying phenomenon is obtained. The testing process is simple and convenient, and the accuracy of the detection result is high.
In any of the above technical solutions, further, the step of determining an effective value of the dust concentration value from among the plurality of dust concentration values specifically includes: obtaining a first average value of a plurality of dust concentration values; determining the dust concentration value which is larger than or equal to the first average value as an effective value. After the first pipeline is formed by performing heat treatment on the formed ceramic powder, the method further comprises the following steps: respectively bonding the wear-resistant rings to two ends of the first pipeline; the flange is bonded to the outer wall of the first pipe and the wear ring.
According to the technical scheme, after the dust concentration values of different test areas are obtained, the dust concentration values need to be screened to discharge data without reference values, and errors caused to the dust emission degree detection result are avoided. Specifically, a first average value of a plurality of dust concentration values is first calculated, then, a dust concentration value smaller than the first average value among the plurality of dust concentration values is excluded, and a dust concentration value greater than or equal to the first average value is taken as an effective value. The screening of the effective value of the dust concentration value is realized, and the accuracy of the dust flying degree detection result is ensured.
In any of the above technical solutions, further, the step of determining the dust height value according to the effective value specifically includes: obtaining a second average value of the plurality of effective values; and determining the dust lift value according to a preset formula.
In the technical scheme, after the effective value of the dust concentration value is obtained, a second average value of the effective values is calculated, and further, the dust lift value displayed by the dust can be calculated according to the effective value of the dust concentration, the second average value and a preset formula.
Specifically, the preset formula is as follows:
wherein x ismaxIs the maximum value of the valid values,
is the second average value, and S is the dust height value.
In any of the above technical solutions, further, the step of determining the dust emission degree according to the dust emission degree value specifically includes: and determining the dust raising degree according to the preset range of the dust raising degree value.
In the technical scheme, after the dust lift value of the dust lifting phenomenon is obtained through calculation, the dust lifting degree of the dust lifting phenomenon can be determined according to the dust lift value. Specifically, the raise dust degree value can be divided into a plurality of different preset ranges, each preset range corresponds to a raise dust degree, then the raise dust degree value obtained through calculation is judged to be in which preset range, and the raise dust degree corresponding to the preset range is the raise dust degree obtained through the detection of the raise dust phenomenon.
Specifically, the preset range of the dust height value may include: s1 is less than 0.5mg/m3, and the corresponding dust degree is slight dust; and when the calculated dust height value S is in the range of S1, the detection result of the dust showing this time is slight dust. Further, the preset range of the dust height value may further include: s2 is more than or equal to 0.5mg/m3 and less than 1.5mg/m3, and the corresponding dust emission degree is light dust emission; s3 is more than or equal to 1.5mg/m3 and less than 2mg/m3, and the corresponding dust emission degree is moderate dust emission; s4 is more than or equal to 2mg/m3, and the corresponding dust emission degree is serious dust emission.
According to a third aspect of the present invention, there is also provided a computer storage medium having a computer program stored thereon, the computer program, when executed by a processor, implementing the raise dust level detection method according to any one of the above-mentioned technical solutions.
The invention provides a computer-readable storage medium, on which a computer program is stored, wherein when the computer program is executed, the steps of the dust emission degree detection method according to any one of the above technical solutions are realized; therefore, all the beneficial technical effects of the dust emission degree detection method according to any one of the above technical solutions are achieved, and are not described herein again.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a dust emission level detection system according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a dust level detection method according to a first embodiment of the present invention;
fig. 3 is a schematic flow chart of a dust level detection method according to a second embodiment of the present invention;
fig. 4 is a schematic flow chart of a dust emission level detection method according to a third embodiment of the present invention;
fig. 5 is a schematic flow chart of a dust emission level detection method according to a fourth embodiment of the present invention.
Wherein, the corresponding relation between the reference numbers and the part names in fig. 1 is:
100 dust level detection system, 102 test area, 104 dust detector, 106 first dust removal piece, 108 test rod, 110 second dust removal piece.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
A dust emission level detection system, a dust emission level detection method, and a computer storage medium according to some embodiments of the present invention are described below with reference to fig. 1 to 5.
Example one
As shown in fig. 1, the present invention provides a dust level detection system 100, which includes a test area 102, a dust detector 104, and a processor, wherein the test area 102 is provided with test dust; the dust detectors 104 are arranged on two sides of the test area 102, and the number of the dust detectors is multiple; the processor is connected to the dust detector 104, and is configured to obtain a dust concentration value measured by the dust detector 104, and determine a dust flying degree according to the dust concentration value.
According to the dust level detection system 100 provided by the invention, the plurality of dust detectors 104 are arranged on two sides of the test area 102, and the plurality of dust detectors 104 are connected with the processor, so that the processor can determine the dust level according to the dust concentration detected by the dust detectors 104. Further, a plurality of dust detectors 104 can be equidistantly distributed on both sides of test area 102, so as to be able to uniformly detect the dust concentration of test area 102, thereby realizing the collection of the dust concentration of each different position of test area 102 and ensuring the accuracy of the detection data. Specifically, when the raise dust occurs, the dust concentration at different positions on two sides of the test area 102 is detected by the dust detectors 104, a plurality of dust concentration values at different positions of the test area 102 are obtained by the processor, the dust concentration values are processed and calculated, and finally the raise dust degree of the raise dust phenomenon is obtained.
According to the dust emission degree detection system 100 provided by the invention, the dust concentration at different positions of the test area 102 is simultaneously detected by the dust detectors 104, so that the dust concentration values at all positions in the test area 102 are uniformly detected, accurate data are provided for finally determining the dust emission degree of the test area 102, and the dust emission degree detection system is simple in structure and easy to realize. Furthermore, the dust emission degree is finally obtained by processing and calculating the dust concentrations at different positions of the test area 102, so that the accuracy of dust emission degree detection is improved.
Further, the dust emission degree detection system 100 provided by the invention can be applied to detecting the dust emission degree in the vehicle driving process. Specifically, the test area 102 is provided with dust, when the dust emission degree of the vehicle in the running process is tested, the vehicle is firstly driven at rated power, and the vehicle tire passes through the test dust through the test area 102 to generate dust emission so as to simulate the dust emission phenomenon of the vehicle when the vehicle runs on a road; at this time, the dust concentration at different positions at two sides of the test area 102 is detected by the dust detectors 104 arranged at two sides of the test area 102, and then the dust emission degree can be determined by the processor according to the dust concentration values, so that the dust emission degree in the driving process of the vehicle can be obtained. The dust emission degree detection system 100 provided by the invention can simulate the dust emission phenomenon of a vehicle running on a road, so that the dust emission degree of the vehicle running process can be detected, the process is simple and easy to realize, and the test result is accurate.
Specifically, the dust detector 104 may be a PM2.5 detector or a PM10 detector.
Example two
On the basis of the above embodiment, as shown in fig. 1, the dust level detecting system 100 further includes a first dust removing member 106, and the first dust removing member 106 is disposed at the inlet of the testing area 102.
In this embodiment, when detecting the dust emission degree of the vehicle during driving, the vehicle is first controlled to drive on the first dust removing member 106 at a rated power, enter the test area 102 through the entrance of the test area 102, and then drive on the test dust, so as to simulate the dust emission phenomenon of the vehicle during driving on the road. Before the vehicle enters the test area 102, the first dust removing part 106 is used for removing soil and dust attached to the vehicle tire, so that the problem that the dust originally carried by the vehicle tire interferes with a test result, an error occurs in a dust emission degree detection result, and the accuracy of the dust emission degree detection result is further improved.
Specifically, the first dust removing member 106 may be a rubber carpet, which removes dirt and dust attached to the tires of the vehicle by the adhesive force of rubber, and has a simple structure, easy implementation and low cost.
Further, the dust level detection system 100 further includes a plurality of test rods 108, the number of the test rods 108 is plural, and the plurality of test rods 108 are disposed at two sides of the test area 102; the dust detector 104 is disposed on the test rod 108.
Specifically, through setting up a plurality of test bars 108 in the both sides of test area 102, can realize setting up a plurality of dust detector 104 respectively on test bar 108 to can be selected from the height of dust detector 104 apart from ground according to the test demand of difference, and then can detect the dust concentration in the air of co-altitude not of pertinence, further improved the accuracy of the testing result of raise dust degree.
Further, the test rod 108 can be set up to multistage retractable, and the multistage body of rod is in proper order telescopically set up in adjacent body of rod, sets up the dust detector 104 in the one end of test rod 108, through the length of adjusting test rod 108, can adjust the height of dust detector 104 apart from ground, simple structure, convenient operation.
Further, the dust level detecting system 100 further includes a second dust removing member 110, and the second dust removing member 110 is disposed at an outlet of the testing area 102.
Specifically, at the exit of the test area 102, a second dust removing part 110 may be further disposed, and when the dust emission degree of the vehicle during the driving process is detected, the second dust removing part 110 is disposed at the exit of the test area 102, so that when the vehicle drives away from the test area 102, the test dust attached to the vehicle tire can be removed under the dust removing effect of the second dust removing part 110, and pollution of the dust attached to the vehicle tire to other road surfaces is avoided.
Specifically, the second dust removing member 110 may be a rubber carpet, which removes dirt and dust attached to the tires of the vehicle by the adhesive force of rubber, and has a simple structure, easy implementation and low cost.
EXAMPLE III
As shown in fig. 2, the present invention provides a dust level detecting method, for use in the dust level detecting system 100 according to any of the above embodiments, the detecting method includes:
s202, acquiring a preset dust concentration value of a test area;
s204, determining an effective value of the dust concentration value from the plurality of dust concentration values;
s206, determining a dust height value according to the effective value;
and S208, determining the dust raising degree according to the dust raising degree value.
According to the method for detecting the dust flying degree, the dust concentration of different positions of a test area is detected through a plurality of dust detectors, the dust floats in the air and is easily influenced by the air flow to deviate, even if no wind exists, the dust concentration cannot be detected or is extremely low by some dust detectors, and the dust concentration value cannot be used as a detection basis for the dust flying degree of the test area. Therefore, before the raise dust degree is determined, a plurality of detected dust concentrations need to be screened to determine the effective value of the dust concentration, then the effective value of the dust concentration is processed and calculated to obtain the raise dust degree value of a test area, and finally the raise dust degree of the raise dust phenomenon is determined according to the raise dust degree value.
According to the method for detecting the dust flying degree, the dust concentration values of different positions in the test area are obtained, the dust concentration values are screened to obtain the effective values of the dust concentration values, data are accurately and reliably acquired, the dust flying degree value is further obtained through processing and calculation according to the effective values, and finally the dust flying degree of the dust flying phenomenon is obtained. The testing process is simple and convenient, and the accuracy of the detection result is high.
Example four
As shown in fig. 3, a method for detecting a dust emission level according to an embodiment of the present invention includes:
s302, acquiring a preset dust concentration value of a test area;
s304, obtaining a first average value of a plurality of dust concentration values;
s306, determining the dust concentration value which is more than or equal to the first average value as an effective value;
s308, determining a dust height value according to the effective value;
and S310, determining the dust raising degree according to the dust raising degree value.
In this embodiment, after the dust concentration values of the different test areas are obtained, the plurality of dust concentration values need to be screened to discharge data without reference value, so as to avoid errors brought to the dust emission degree detection result. Specifically, a first average value of a plurality of dust concentration values is first calculated, then, a dust concentration value smaller than the first average value among the plurality of dust concentration values is excluded, and a dust concentration value greater than or equal to the first average value is taken as an effective value. The screening of the effective value of the dust concentration value is realized, and the accuracy of the dust flying degree detection result is ensured.
EXAMPLE five
As shown in fig. 4, a method for detecting a dust emission level according to an embodiment of the present invention includes:
s402, acquiring a preset dust concentration value in a test area;
s404, obtaining a first average value of a plurality of dust concentration values;
s406, determining the dust concentration value which is more than or equal to the first average value as an effective value;
s408, acquiring a second average value of the plurality of effective values;
s410, determining a dust lift value according to a preset formula;
and S412, determining the dust raising degree according to the dust raising degree value.
In this embodiment, after the effective value of the dust concentration value is obtained, a second average value of the plurality of effective values is calculated, and further, the dust height value appearing at this time can be calculated according to the effective value of the dust concentration, the second average value, and a preset formula.
Specifically, the preset formula is as follows:
wherein x ismaxIs the maximum value of the valid values,
is the second average value, and S is the dust height value.
EXAMPLE six
As shown in fig. 5, a method for manufacturing a transfer pipe according to an embodiment of the present invention includes:
s502, acquiring a preset dust concentration value in a test area;
s504, obtaining a first average value of a plurality of dust concentration values;
s506, determining the dust concentration value which is larger than or equal to the first average value as an effective value;
s508, obtaining a second average value of the plurality of effective values;
s510, determining a dust lift value according to a preset formula;
and S512, determining the dust raising degree according to the preset range of the dust raising degree value.
In this embodiment, after the dust lift value of the dust emission phenomenon is obtained by calculation, the dust emission degree of the dust emission phenomenon can be determined according to the dust lift value. Specifically, the raise dust degree value can be divided into a plurality of different preset ranges, each preset range corresponds to a raise dust degree, then the raise dust degree value obtained through calculation is judged to be in which preset range, and the raise dust degree corresponding to the preset range is the raise dust degree obtained through the detection of the raise dust phenomenon.
Specifically, the preset range of the dust height value may include: s1 is less than 0.5mg/m3, and the corresponding dust degree is slight dust; and when the calculated dust height value S is in the range of S1, the detection result of the dust showing this time is slight dust. Further, the preset range of the dust height value may further include: s2 is more than or equal to 0.5mg/m3 and less than 1.5mg/m3, and the corresponding dust emission degree is light dust emission; s3 is more than or equal to 1.5mg/m3 and less than 2mg/m3, and the corresponding dust emission degree is moderate dust emission; s4 is more than or equal to 2mg/m3, and the corresponding dust emission degree is serious dust emission.
EXAMPLE seven
In an embodiment of the present invention, a computer-readable storage medium is provided, on which a computer program is stored, which, when executed, performs the dust level detection method according to any one of the above-mentioned embodiments.
The present invention provides a computer-readable storage medium, on which a computer program is stored, wherein when the computer program is executed, the dust level detection method according to any one of the above embodiments is performed. Therefore, all the advantageous technical effects of the dust emission level detection method according to any one of the above-mentioned embodiments are achieved, and are not described herein again.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1, the dust level detecting system 100 provided by the present invention includes a testing area 102, a dust detector 104, and a processor, wherein the testing area 102 is provided with testing dust; the dust detectors 104 are arranged on two sides of the test area 102, and the number of the dust detectors is multiple; the processor is connected to the dust detector 104, and is configured to obtain a dust concentration value measured by the dust detector 104, and determine a dust flying degree according to the dust concentration value.
Further, raise dust degree detecting system 100 still includes first dust removal piece 106 and second dust removal piece 110, clears away adnexed earth dust on the vehicle tire through first dust removal piece 106 to the dust that has avoided the vehicle tire to originally carry causes the interference to the test result, causes raise dust degree testing result to appear the error, has further improved the accuracy of raise dust degree testing result. By arranging the second dust removing part 110 at the outlet of the test area 102, when the vehicle leaves the test area 102, the test dust attached to the vehicle tire can be removed under the dust removing effect of the second dust removing part 110, and the pollution of the dust attached to the vehicle tire to other road surfaces is avoided.
Specifically, both the first dust removing member 106 and the second dust removing member 110 may be rubber carpets.
Further, the dust level detection system 100 further includes a plurality of test rods 108, the number of the test rods 108 is plural, and the plurality of test rods 108 are disposed at two sides of the test area 102; the dust detector 104 is disposed on the test rod 108. By arranging a plurality of test bars 108 on both sides of the test area 102, it is possible to arrange a plurality of dust detectors 104 on the test bars 108, respectively, so that the height of the dust detector 104 from the ground can be selected according to different test requirements.
According to the dust emission degree detection system 100 provided by the invention, the dust concentration at different positions of the test area 102 is simultaneously detected by the dust detectors 104, so that the dust concentration values at all positions in the test area 102 are uniformly detected, accurate data are provided for finally determining the dust emission degree of the test area 102, and the dust emission degree detection system is simple in structure and easy to realize. Furthermore, the dust emission degree is finally obtained by processing and calculating the dust concentrations at different positions of the test area 102, so that the accuracy of dust emission degree detection is improved.
Further, the dust emission degree detection system 100 provided by the invention can be used for detecting the dust emission degree of a vehicle in a running process, specifically, the test area 102 is provided with the set dust, when the dust emission degree of the vehicle in the running process is tested, firstly, the vehicle runs at a rated power, and the vehicle tire runs over the test dust through the test area 102 to generate the dust emission so as to simulate the dust emission phenomenon of the vehicle in the running process on a road; at this time, the dust concentration at different positions at two sides of the test area 102 is detected by the dust detectors 104 arranged at two sides of the test area 102, and then the dust emission degree can be determined by the processor according to the dust concentration values, so that the dust emission degree in the driving process of the vehicle can be obtained.
Further, the length of test area is 20 meters, all is provided with the rubber carpet that length is 5 meters in test area's entry and exit to clear away the dust that adheres to on the vehicle tyre, avoid causing the influence and producing the error to the testing result, also prevent simultaneously that dust from polluting other road surfaces.
Specifically, the dust generated in the running process of the vehicle comprises dust fall and floating dust, and the diameter range of the dust is about 2.5-100 mu m. The particles with the diameter larger than 10 mu m settle by self gravity, which is called dust fall; particles smaller than 10 μm in diameter are called fly ash because they cannot settle. In this embodiment, a PM10 detector is used for detection.
Further, since the test is performed in an open environment, even in a sunny and calm weather, the dust raised by the vehicle traveling on the ground surface is easily deflected by the influence of the air flow, and therefore, some dust detectors 104 may not detect or the measured dust concentration is extremely low, and therefore, the data recorded by the plurality of dust detectors 104 needs to be screened and processed.
Specifically, the average value of the dust concentrations detected by the plurality of dust detectors 104 is calculated first, and the data smaller than the average value among the plurality of dust concentrations is excluded to obtain the effective value of the dust concentration.
Further, calculating the average value of a plurality of effective values of the dust concentration according to a preset formula
And calculating the dust lift value, and finally determining the dust lifting degree of the dust lifting phenomenon detected this time according to the preset range of the dust lift value.
Wherein x ismaxIs the maximum value of the valid values,
is the second average value, and S is the dust height value.
Specifically, the preset range of the dust emission level value may include: s1 is less than 0.5mg/m3, and the corresponding dust degree is slight dust; and when the calculated dust height value S is in the range of S1, the detection result of the dust showing this time is slight dust. Further, the preset range of the dust height value may further include: s2 is more than or equal to 0.5mg/m3 and less than 1.5mg/m3, and the corresponding dust emission degree is light dust emission; s3 is more than or equal to 1.5mg/m3 and less than 2mg/m3, and the corresponding dust emission degree is moderate dust emission; s4 is more than or equal to 2mg/m3, and the corresponding dust emission degree is serious dust emission.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A dust emission level detection system is characterized by comprising;
the device comprises a test area, a dust collecting device and a dust collecting device, wherein test dust is arranged on the test area;
the dust detectors are arranged on two sides of the test area;
and the processor is connected with the dust detector and is used for acquiring a dust concentration value measured by the dust detector and determining the dust flying degree according to the dust concentration value.
2. The detection system of claim 1, further comprising:
the first dust removal piece is arranged at an inlet of the test area.
3. The detection system of claim 1, further comprising:
the test device comprises a test area, a plurality of test rods and a plurality of test rods, wherein the test rods are arranged on two sides of the test area;
the dust detector is arranged on the test rod.
4. The detection system according to any one of claims 1 to 3, further comprising:
and the second dust removal piece is arranged at an outlet of the test area.
5. A dust level detection method for use in the dust level detection system according to any one of claims 1 to 4, characterized by comprising:
acquiring the dust concentration value preset in the test area;
determining a valid value of the dust concentration value from a plurality of the dust concentration values;
determining a dust height value according to the effective value;
and determining the dust raising degree according to the dust raising height value.
6. The detection method according to claim 5, wherein the step of determining an effective value of the dust concentration value from the plurality of dust concentration values specifically comprises:
obtaining a first average value of a plurality of dust concentration values;
determining the dust concentration value greater than or equal to the first average value as the effective value.
7. The method according to claim 5, wherein the step of determining the dust emission level value according to the effective value specifically includes:
obtaining a second average value of a plurality of effective values;
and determining the dust lift value according to a preset formula.
8. The detection method according to claim 7,
the preset formula is as follows:
wherein x ismaxIs the maximum value of said valid values,
and S is the dust lift value.
9. The method according to claim 5, wherein the step of determining the dust level according to the dust level value specifically includes:
and determining the dust raising degree according to the preset range of the dust raising degree value.
10. A computer storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the dusting level detection method of any of claims 5 to 9.
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