CN108981892A - A kind of environment noise test method - Google Patents
A kind of environment noise test method Download PDFInfo
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- CN108981892A CN108981892A CN201810633953.XA CN201810633953A CN108981892A CN 108981892 A CN108981892 A CN 108981892A CN 201810633953 A CN201810633953 A CN 201810633953A CN 108981892 A CN108981892 A CN 108981892A
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- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H11/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by detecting changes in electric or magnetic properties
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Abstract
The invention discloses a kind of environment noise test methods, include the following steps: any reverberation of positional distance (except ground) at least 3.5M external pelivimetry for installing noise transducer, away from ground level 1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of reading in 5 seconds, continuously read 200 data, main noise source nearby is recorded while reading, weather condition, statistical vehicle flowrate, monitoring time and frequency divide 09:00, 15:00, tri- periods of 21:00, data are recorded every 5s, record 200 altogether every time, cart quantity and trolley quantity are recorded simultaneously, 200 data that each point is measured every time, it is arranged from big to small.The present invention can not only guarantee the accuracy of detection data, source and the reason of noise can be also analyzed according to testing result, the prior art is solved in the arrangement of sensor, is not correspondingly improved in terms of detecting interval time and detection number, leads to the problem that testing result is not accurate enough.
Description
Technical field
The present invention relates to environmental monitoring technology field, specially a kind of environment noise test method.
Background technique
With the development of modern urban construction and urban transportation, urban environment noise pollution has become countries in the world big city
The important environmental problem that city faces；Noise pollution has become after water pollution, atmosphere pollution, solid waste pollution
Four overall situation public hazards；City noise pollution has seriously affected people and has normally worked, learns and rest, and noise pollution complains event
Quantity occupies always the first place that events are complained in all kinds of environmental pollutions, carries out detection promptly and accurately and analysis and effective to ambient noise
Control is just particularly important.
Ambient noise refers to and lives around generated interference in industrial production, construction, communications and transportation and social life
The sound of environment.Ambient noise is to provide to protect population health and living environment to made by noise permissible range.It formulates former
Then, should there should be advanced, scientific and actuality to protect the hearing of people, sleep rest, talk thinking as foundation.Environment
Noise basic standard is the basic foundation of Standard of Environmental Noise.The base that various countries are recommended all referring to International Organization for Standardization greatly
Number (such as 30 decibels of sleep), and formulated according to the concrete condition in this country and place.
Pollution from environmental noise refers to that generated ambient noise is more than the ambient noise discharge standard of national regulation, and does
The phenomenon that disturbing other people normal lifves, working and learning.Pollution from environmental noise is a kind of energy contamination, with other industrial pollution one
Sample is the public hazards for endangering human environment.The characteristics of noise pollution has its own: noise is temporary, noise source stopping sounding,
Noise just disappears；Ambient noise source distribution be it is dispersed, the range of influence of noise is limitation.
The patent of invention of Patent No. CN103323095A proposes a kind of environmental noise variable excitation detection estimation method,
The invention forms the magnetic field of varying strength, to change noise transducer sensitivity, makes it by the size of change excitation signal
It is adapted to the detection noise under different noise circumstances, solves and needs different type noise transducer in varying environment noise
Technical problem, but the invention is not correspondingly improved in terms of detecting interval time and detection number in the arrangement of sensor,
Cause testing result not accurate enough, for this purpose, a kind of it is proposed that environment noise test method.
Summary of the invention
The purpose of the present invention is to provide a kind of environment noise test methods, to solve mentioned above in the background art ask
Topic.
To achieve the above object, it the invention provides the following technical scheme: a kind of environment noise test method, including walks as follows
It is rapid: any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground level
1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, reading while, is remembered
Nearby main noise source, weather condition, statistical vehicle flowrate are recorded, monitoring time and frequency divide 09:00,15:00,21:00 tri-
Period records data every 5s, records 200 altogether every time, while recording cart quantity and trolley quantity, each point is surveyed every time
200 data obtained, are arranged from big to small, determine that L10, L50, L90, traffic noise meet normal distribution, utilize formula
Leq=L50+d^2/60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, and measurement knot is obtained after processing
Fruit.
Preferably, weather should carry out in the case of no sleet, no thunder and lightning when the measurement, wind speed in 5m/s or less into
Row.
Preferably, when the road noise measures, noise transducer is placed in about 20 centimeters on the outside of main road, away from ground height
About 1.2 meters of degree.
Preferably, the data summarize the equivalent continuous sound level characteristic distributions and interpretation of result of each period after calculating,
The relationship of vehicle flowrate and evaluation amount is obtained, draws the relational graph between vehicle flowrate and noise grade, while drawing noise pollution figure.
Preferably, the noise transducer is using electrodynamic type (moving-coil type) sensor, capacitance type sensor, piezoelectric type sensing
One of device.
Preferably, the noise transducer is without repeatedly being calibrated, software automatic zero set, and sample frequency is 10000
Secondary/second.
Compared with prior art, the beneficial effects of the present invention are: the present invention is different to section by multiple noise transducers
Position detected, and detection data is calculated, obtains the equivalent continuous sound level characteristic distributions and knot of each period
Fruit analysis, while according to the relationship of vehicle flowrate and evaluation amount, the relational graph between vehicle flowrate and noise grade is drawn, and draw and make an uproar
Sound pollution figure can not only guarantee the accuracy of detection data, can also analyze source and the reason of noise according to testing result, solution
In the arrangement of sensor, detection interval time and detection number aspect are not correspondingly improved, cause the prior art of having determined
The not accurate enough problem of testing result.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of technical solution: a kind of environment noise test method includes the following steps: noise transducer
Any reverberation of the positional distance of installation (except ground) at least 3.5M external pelivimetry, away from ground level 1.2M or more, reading mode
With slow gear, every the one instantaneous A sound level of readings in 5 seconds, 200 data are continuously read, main noise is next near record while reading
Source, weather condition, statistical vehicle flowrate, monitoring time and frequency divide 09:00,15:00,21:00 tri- periods, record every 5s
Data record 200 altogether every time, while recording cart quantity and trolley quantity, 200 data that each point is measured every time, from
Arrive greatly it is small arranged, determine that L10, L50, L90, traffic noise meet normal distribution, using formula Leq=L50+d^2/60, d=
L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, obtain measurement result after processing.
Embodiment one:
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground level
1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, reading while, is remembered
Nearby main noise source, weather condition, statistical vehicle flowrate are recorded, monitoring time and frequency divide 09:00,15:00,21:00 tri-
Period records data every 5s, records 200 altogether every time, while recording cart quantity and trolley quantity, each point is surveyed every time
200 data obtained, are arranged from big to small, determine that L10, L50, L90, traffic noise meet normal distribution, utilize formula
Leq=L50+d^2/60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, and measurement knot is obtained after processing
Fruit.
Embodiment two:
In example 1, following processes are added:
Weather should carry out in the case of no sleet, no thunder and lightning when measurement, and wind speed is carried out in 5m/s or less.
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground height
Spend 1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, while reading
Nearby main noise source, weather condition, statistical vehicle flowrate are recorded, monitoring time and frequency divide 09:00,15:00,21:00 tri-
A period records data every 5s, records 200 altogether every time, while recording cart quantity and trolley quantity, and each point is each
200 data measured, are arranged from big to small, are determined that L10, L50, L90, traffic noise meet normal distribution, are utilized public affairs
Formula Leq=L50+d^2/60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, are measured after processing
As a result, weather should carry out in the case of no sleet, no thunder and lightning when measurement, wind speed is carried out in 5m/s or less.
Embodiment three:
In example 2, following processes are added:
When road noise measures, noise transducer is placed in about 20 centimeters on the outside of main road, away from about 1.2 meters of ground level.
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground height
Spend 1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, while reading
Nearby main noise source, weather condition, statistical vehicle flowrate are recorded, monitoring time and frequency divide 09:00,15:00,21:00 tri-
Noise transducer when road noise measures, is placed in about 20 centimeters on the outside of main road by a period, away from about 1.2 meters of ground level,
Data are recorded every 5s, record 200 altogether every time, while recording cart quantity and trolley quantity, 200 that each point is measured every time
A data, are arranged from big to small, are determined that L10, L50, L90, traffic noise meet normal distribution, are utilized formula Leq=L50+
D^2/60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, obtain measurement result after processing, when measurement
Weather should carry out in the case of no sleet, no thunder and lightning, and wind speed is carried out in 5m/s or less.
Example IV:
In the third embodiment, following processes are added:
Data summarize the equivalent continuous sound level characteristic distributions and interpretation of result of each period after calculating, obtain vehicle flowrate and evaluation
The relationship of amount draws the relational graph between vehicle flowrate and noise grade, while drawing noise pollution figure.
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground height
Spend 1.2M or more, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, while reading
Nearby main noise source, weather condition, statistical vehicle flowrate are recorded, monitoring time and frequency divide 09:00,15:00,21:00 tri-
Noise transducer when road noise measures, is placed in about 20 centimeters on the outside of main road by a period, away from about 1.2 meters of ground level,
Data are recorded every 5s, record 200 altogether every time, while recording cart quantity and trolley quantity, 200 that each point is measured every time
A data, are arranged from big to small, are determined that L10, L50, L90, traffic noise meet normal distribution, are utilized formula Leq=L50+
D^2/60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, obtain measurement result after processing, when measurement
Weather should carry out in the case of no sleet, no thunder and lightning, and wind speed is carried out in 5m/s or less, and data summarize each period after calculating
Equivalent continuous sound level characteristic distributions and interpretation of result, obtain the relationship of vehicle flowrate and evaluation amount, draw vehicle flowrate and noise etc.
Relational graph between grade, while drawing noise pollution figure.
Embodiment five:
In example IV, following processes are added:
Noise transducer uses one of electrodynamic type (moving-coil type) sensor, capacitance type sensor, piezoelectric transducer, road
When noise testing, measuring point is selected between two crossings, should be greater than 50m away from crossing, length is less than the section of 100m, and measuring point is selected in two-way
Section is intermediate, and drawing evaluation amount when noise pollution figure is drawn is Leq or L10, by each measuring point L10 by the gear classification of 5dB mono-, with difference
Color or hacures indicate each noise pollution grade.
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground height
1.2M or more is spent, wherein noise transducer is using in electrodynamic type (moving-coil type) sensor, capacitance type sensor, piezoelectric transducer
One kind, the slow gear of reading mode, every the one instantaneous A sound level of readings in 5 seconds, 200 data of continuous reading, reading while, is recorded
Neighbouring main noise source, weather condition, statistical vehicle flowrate, when monitoring time and frequency divide 09:00,15:00,21:00 tri-
Between section, when road noise measures, noise transducer is placed in about 20 centimeters on the outside of main road, away from about 1.2 meters of ground level, every
5s records data, records 200 altogether every time, while recording cart quantity and trolley quantity, 200 numbers that each point is measured every time
According to being arranged from big to small, determine that L10, L50, L90, traffic noise meet normal distribution, utilize formula Leq=L50+d^2/
60, d=L10-L90, approximate calculation equivalent continuous A sound level obtain noise data, obtain measurement result after processing, weather when measurement
Ying Wu sleet carries out in the case of no thunder and lightning, and wind speed is carried out in 5m/s or less, data summarized after calculating each period etc.
Imitate continuous level distribution feature and interpretation of result, obtain the relationship of vehicle flowrate and evaluation amount, draw vehicle flowrate and noise grade it
Between relational graph, while drawing noise pollution figure, drawing evaluation amount when noise pollution figure is drawn is Leq or L10, by each measuring point
L10 is by the gear classification of 5dB mono-, and in different colors or hacures indicate each noise pollution grade road, and when noise testing, measuring point is selected in
Between two crossings, 50m should be greater than away from crossing, length is less than the section of 100m, and measuring point is selected among two sections.
Embodiment six:
In embodiment five, following processes are added:
Noise transducer is without repeatedly being calibrated, software automatic zero set, and sample frequency is 10000 times/second.
Any reverberation of positional distance (except ground) at least 3.5M external pelivimetry that noise transducer is installed, away from ground height
1.2M or more is spent, wherein noise transducer is using in electrodynamic type (moving-coil type) sensor, capacitance type sensor, piezoelectric transducer
One kind, noise transducer is without repeatedly being calibrated, software automatic zero set, and sample frequency is 10000 times/second, reading side
The slow gear of formula continuously reads 200 data every the one instantaneous A sound level of readings in 5 seconds, main noise near record while reading
Source, weather condition, statistical vehicle flowrate, monitoring time and frequency divide 09:00,15:00,21:00 tri- periods, road noise
When measurement, noise transducer is placed in about 20 centimeters on the outside of main road, away from about 1.2 meters of ground level, records data every 5s, often
It is secondary to record 200 altogether, while recording cart quantity and trolley quantity, 200 data that each point is measured every time, from big to small into
Row arrangement, determines that L10, L50, L90, traffic noise meet normal distribution, using formula Leq=L50+d^2/60, d=L10-L90,
Approximate calculation equivalent continuous A sound level obtains noise data, obtains measurement result after processing, and weather should be in no sleet, nothing when measurement
It is carried out in the case of thunder and lightning, wind speed is carried out in 5m/s or less, and data summarize the equivalent continuous sound level point of each period after calculating
Cloth feature and interpretation of result obtain the relationship of vehicle flowrate and evaluation amount, draw the relational graph between vehicle flowrate and noise grade, together
When draw noise pollution figure, draw noise pollution figure draw when evaluation amount be Leq or L10, each measuring point L10 is kept off by 5dB mono-
Classification, in different colors or hacures indicate each noise pollution grade road, and when noise testing, measuring point is selected between two crossings,
It should be greater than 50m away from crossing, length is less than the section of 100m, and measuring point is selected among two sections.
The present invention is detected by multiple noise transducers position different to section, and is counted to detection data
It calculates, obtains the equivalent continuous sound level characteristic distributions and interpretation of result of each period, while according to the pass of vehicle flowrate and evaluation amount
System draws the relational graph between vehicle flowrate and noise grade, and draws noise pollution figure, can not only guarantee the standard of detection data
True property can also analyze source and the reason of noise according to testing result, solve the prior art in the arrangement of sensor, between detection
It is not correspondingly improved in terms of time and detection number, leads to the problem that testing result is not accurate enough.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of environment noise test method, characterized by the following steps: the positional distance for installing noise transducer
Any reverberation (except ground) at least 3.5M external pelivimetry, away from ground level 1.2M or more, the slow gear of reading mode, every 5 seconds
An instantaneous A sound level is read, 200 data are continuously read, main noise source, weather condition, system near record while reading
Vehicle flowrate is counted, monitoring time and frequency divide 09:00,15:00,21:00 tri- periods, record data every 5s, remember altogether every time
Record 200, while cart quantity and trolley quantity are recorded, 200 data that each point is measured every time are arranged from big to small
Column, determine that L10, L50, L90, traffic noise meet normal distribution, approximate using formula Leq=L50+d^2/60, d=L10-L90
Equivalent continuous A sound level is calculated, noise data is obtained, obtains measurement result after processing.
2. a kind of environment noise test method according to claim 1, it is characterised in that: weather Ying Wu when the measurement
Sleet carries out in the case of no thunder and lightning, and wind speed is carried out in 5m/s or less.
3. a kind of environment noise test method according to claim 1, it is characterised in that: when the road noise measures,
Noise transducer is placed in about 20 centimeters on the outside of main road, away from about 1.2 meters of ground level.
4. a kind of environment noise test method according to claim 1, it is characterised in that: the data are summarized every after calculating
The equivalent continuous sound level characteristic distributions of a period and interpretation of result obtain the relationship of vehicle flowrate and evaluation amount, draw vehicle flowrate
Relational graph between noise grade, while drawing noise pollution figure.
5. a kind of environment noise test method according to claim 1, it is characterised in that: the noise transducer is using electricity
One of dynamic formula (moving-coil type) sensor, capacitance type sensor, piezoelectric transducer.
6. a kind of environment noise test method according to claim 1, it is characterised in that: when the road noise measures,
Measuring point is selected between two crossings, should be greater than 50m away from crossing, length is less than the section of 100m, and measuring point is selected among two sections.
7. a kind of environment noise test method according to claim 4, it is characterised in that: the drafting noise pollution figure is drawn
Evaluation amount is Leq or L10 when processed, and by each measuring point L10 by the gear classification of 5dB mono-, in different colors or hacures indicate each noise
The class of pollution.
8. a kind of environment noise test method according to claim 1, it is characterised in that: the noise transducer be not necessarily into
Repeatedly calibration, software automatic zero set, and sample frequency are 10000 times/second to row.
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Cited By (5)
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| CN109785621A (en) * | 2019-02-02 | 2019-05-21 | 重庆港力环保股份有限公司 | A kind of road traffic noise intelligent optimized control method relying on big data |
| CN111238629A (en) * | 2019-07-12 | 2020-06-05 | 杭州爱华仪器有限公司 | Device and method for reducing influence of wind speed on noise measurement |
| CN113283860A (en) * | 2021-05-17 | 2021-08-20 | 贾刚 | Laboratory detection sampling quality control system and method based on system platform |
| CN113494959A (en) * | 2020-04-08 | 2021-10-12 | 苏州文泽可智能科技有限公司 | Method for judging noise of plant |
| CN117349611A (en) * | 2023-12-06 | 2024-01-05 | 山东清控生态环境产业发展有限公司 | Water quality fluctuation instrument monitoring method based on big data analysis |
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| CN117349611A (en) * | 2023-12-06 | 2024-01-05 | 山东清控生态环境产业发展有限公司 | Water quality fluctuation instrument monitoring method based on big data analysis |
| CN117349611B (en) * | 2023-12-06 | 2024-03-08 | 山东清控生态环境产业发展有限公司 | Water quality fluctuation instrument monitoring method based on big data analysis |
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Application publication date: 20181211 |