CN209014139U - A kind of outdoor substation Noise Exposure Forecast system - Google Patents
A kind of outdoor substation Noise Exposure Forecast system Download PDFInfo
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- CN209014139U CN209014139U CN201822053410.9U CN201822053410U CN209014139U CN 209014139 U CN209014139 U CN 209014139U CN 201822053410 U CN201822053410 U CN 201822053410U CN 209014139 U CN209014139 U CN 209014139U
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Abstract
The utility model discloses a kind of outdoor substation Noise Exposure Forecast system, twisted pair and interchanger to the communication transfer between more terminal computers；The acoustic data acquisition device is arranged near substation's sound source and factory Jie Chu, acquires sound pressure level and frequency spectrum data and is transported to terminal computer connected to it；The airborne laser range finder is Hand-Held LASER Range Finder, and airborne laser range finder acquires substation's solid supplemental characteristic and station-keeping data, and will be delivered to terminal computer connected to it；The temperature monitoring, moisture monitors and air monitoring device are fixedly arranged in substation, acquire substation's temperature data, humidity data and real-time air speed data respectively, and transfer data to terminal computer connected to it.Using cloud distribution terminal computing architecture, prediction can be reduced and calculate the time, convenient for engineering in practice quickly it is concluded that and being adjusted prediction.
Description
Technical field
The utility model relates to noise pollution and prevention and control field, specially a kind of outdoor substation Noise Exposure Forecast system.
Background technique
As substation's urbanization phenomenon is increasingly severe, Yuan Jian substation periphery creates many residential blocks, creates power transformation
It stands and much also has to addressing in the more location in residential block, substation's neighboring buildings gradually rise with the density of population, substation's phase
Neighbouring region acoustic environment functional areas classification is required to be changed into 2 class area limit values even 1 class area limit value rapidly by 3 class area emission limits.Become
Strong influence can be generated to ambient enviroment by generating the noise based on low frequency in power station in the equipment running process such as transformer, perhaps
Multi-Substation therefore forecasts noise to instruct noise abatement to have become people in turn by a large amount of complaints of nearby residents
Growing interest the problem of.
Outdoor substation includes 220kv, 500kv, 550kv, 800kv as a kind of major type of substation, capacity
And with first-class different type, due to the feature that outdoor substation is outdoor, the radiation of noise source tends to nearby residents area
It produces bigger effect.And outdoor substation is larger since there are occupied areas, factors, manual measurement are influenced etc. by climatope
Often cost is very high for the mode of acoustic environment.Therefore, have to the research of the Noise Exposure Forecast method and system of outdoor substation important
Meaning.
The existing forecast system for outdoor acoustic environment be mostly based on SOUNDPLAN, CANADA/A, LIMA,
The softwares such as RAYNOISE.On the whole, after decades of development, various functions are all very powerful for these softwares.But due to these
Software is mostly universal software, mainly for noise source be that automobile, train, industry are whole etc., for transformer, capacitor
Device, reactor etc. are the substation of Main Noise Sources, and there are precision of predictions not enough, Software Specialty is not strong, human-computer interaction
The features such as poor.
Given this status, designing a set of Noise Exposure Forecast system and method for being specifically intended for outdoor substation is art technology
Personnel's urgent problem to be solved.
Utility model content
In order to realize that the accurate forecast of outdoor substation noise, the utility model provide a kind of outdoor substation noise prediction
System and method.
The technical solution of the utility model includes:
A kind of outdoor substation Noise Exposure Forecast system, including terminal computer, interchanger, twisted pair, acoustic data acquisition
Device, airborne laser range finder, temperature monitoring, moisture monitors and air monitoring device,
The twisted pair and interchanger are to the communication transfer between more terminal computers；
The acoustic data acquisition device is arranged near substation's sound source and factory Jie Chu, acquires sound pressure level and frequency spectrum data simultaneously
It is transported to terminal computer connected to it；
The airborne laser range finder be Hand-Held LASER Range Finder, airborne laser range finder acquire substation's solid supplemental characteristic and
Station-keeping data, and will be delivered to terminal computer connected to it；
The temperature monitoring, moisture monitors and air monitoring device are fixedly arranged in substation, acquire power transformation respectively
It stands temperature data, humidity data and real-time air speed data, and transfers data to terminal computer connected to it；
Solidify the forecast module being equipped with to carry out Noise Exposure Forecast in the terminal computer, forecast module passes through reception
Sound pressure level and frequency spectrum data, substation's solid supplemental characteristic and station-keeping data, substation's temperature data, the humidity number arrived
Noise Exposure Forecast is carried out according to real-time air speed data.
The forecast module include communication connection main control unit, input-output unit, modeling unit, Database Unit,
Display unit and computing unit, to control, the data of input-output unit input the main control unit or calculated result exports；
The modeling unit is to receive data and be modeled, and the Database Unit is to storing data library information, the display
Unit is to export forecast result, and the computing unit is to calculate the data of acquisition.
The input-output unit includes parameters,acoustic input, geometric parameter input, customized input, Output of for ms, two
Tie up the output of acoustic pressure cloud atlas and three-dimensional acoustic pressure cloud atlas output.
The Database Unit include noise source frequency spectrum data library, directive property database, acoustical material parameter database and
Building base unit library.
Compared with prior art, the utility model has the beneficial effects that substation's Noise Exposure Forecast system using data acquisition,
The prediction, it can be achieved that outdoor substation target point sound pressure level is calculated, exports Trinitarian mode, and then grasps outdoor transformer
Acoustic environment of standing characteristic, to instruct substation newly-built or the implementation of noise abatement；Using cloud distribution terminal computing architecture, can reduce
Prediction calculates the time, convenient for engineering in practice quickly it is concluded that and being adjusted prediction.
Detailed description of the invention
A kind of Fig. 1: outdoor substation Noise Exposure Forecast system schematic provided by the embodiment of the utility model；
Fig. 2: forecast module schematic diagram calculation provided by the embodiment of the utility model；
Fig. 3: single future position calculation flow chart provided by the embodiment of the utility model.
In figure: 1. terminal computers, 2. interchangers, 3. twisted pairs, 4. acoustic data acquisition devices, 5. airborne laser range finders, 6.
Temperature monitoring, 7. moisture monitors, 8. air monitoring devices.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
As depicted in figs. 1 and 2, a kind of outdoor substation Noise Exposure Forecast system described in the utility model embodiment, including
Terminal computer 1, interchanger 2, twisted pair 3, acoustic data acquisition device 4, airborne laser range finder 5, temperature monitoring 6, humidity detection
Device 7 and air monitoring device 8,
The twisted pair 3 and interchanger 2 are to the communication transfer between more terminal computers 1；
The acoustic data acquisition device 4 is arranged near substation's sound source and factory Jie Chu, acquires sound pressure level and frequency spectrum data
And it is transported to terminal computer 1 connected to it；
The airborne laser range finder 5 is Hand-Held LASER Range Finder, and airborne laser range finder 5 acquires substation's solid supplemental characteristic
And station-keeping data, and will be delivered to terminal computer 1 connected to it；
The temperature monitoring 6, moisture monitors 7 and air monitoring device 8 are fixedly arranged in substation, and acquisition becomes respectively
Power station temperature data, humidity data and real-time air speed data, and transfer data to terminal computer 1 connected to it；
Solidify the forecast module being equipped with to carry out Noise Exposure Forecast in the terminal computer 1, forecast module is by connecing
Sound pressure level and frequency spectrum data, substation's solid supplemental characteristic and the station-keeping data, substation's temperature data, humidity received
Data and real-time air speed data carry out Noise Exposure Forecast.
The forecast module include communication connection main control unit, input-output unit, modeling unit, Database Unit,
Display unit and computing unit, to control, the data of input-output unit input the main control unit or calculated result exports；
The modeling unit is to receive data and be modeled, and the Database Unit is to storing data library information, the display
Unit is to export forecast result, and the computing unit is to calculate the data of acquisition.
The input-output unit includes parameters,acoustic input, geometric parameter input, customized input, Output of for ms, two
Tie up the output of acoustic pressure cloud atlas and three-dimensional acoustic pressure cloud atlas output.
The Database Unit include noise source frequency spectrum data library, directive property database, acoustical material parameter database and
Building base unit library.
A kind of outdoor substation Noise Exposure Forecast method, including step in detail below,
Substation has been respectively arranged terminal computer 1, interchanger 2, twisted pair 3, acoustic data acquisition to step 1 outdoors
Device 4, airborne laser range finder 5, temperature monitoring 6, moisture monitors 7 and air monitoring device 8；
Step 2 uses the sound at the acquisition of acoustic data acquisition device 4 transformer, capacitor, reactor, generation corona equipment
It arbitrarily downgrades, noise spectrum and directive property, converts acoustic power level for sound pressure level；
Equilibrium temperature when the acquisition forecast of step 3 temperature monitoring 6 in substation, humidity sensor 7 acquire pre- give the correct time
Constant humidity in substation, the constant humidity when acquisition of air velocity transducer 8 is forecast in substation；
Acoustic power level, frequency spectrum data, direction are inputted in the forecast module that step 4 solidifies installation in terminal computer 1
Property data, temperature, humidity and wind speed are as initial parameter；
Step 5 establishes substation equipment model and Source Model in forecast module, after determining analyzed area, by being distributed
The terminal computer 1 of setting works at the same time, and obtains the noise profile cloud atlas of forecast substation.
Source Model is in the step 5
L (r)=L (r0)+Dc- △ LA (1)
ΔLA=Adiv+Aatm+Agr+Abar+Amisc(2)
In formula:
The sound pressure level of L (r) --- future position；
L (r0) --- the sound pressure level of reference point；
Dc --- critical distance；
Decaying caused by Adiv --- geometric divergence；
Decaying caused by Aatm --- Atmospheric Absorption；
Decaying caused by Agr --- ground effect；
Decaying caused by Abar --- sound barrier；
Amisc --- decaying caused by other various aspects effects.
1 calculating process of terminal computer is in the step 5,
Search is scanned to entire acoustic model space with 1 degree of angle centered on receiving point, sees searched for fan
Shape region whether sound source, reflecting surface, barrier and ground absorption region；
It if there is point sound source, then sees that whether there are obstacles and attenuation region between point sound source and receiving point, calls
Source Model calculates each point sound source in the region to the noise contribution value Locti of each octave of receiving point；
If there is line source or area source of sound S, then they are divided segment Si with two sides in the region, and examine division
Whether the longitudinal size b of line or area source of sound afterwards meets less than this condition of the half of sound source to receiving point distance, is unsatisfactory for then
It is divided, until meeting condition；
Replace corresponding sound source segment Si with the point sound source of same acoustic power level, position for replaced sound source center of gravity
Position；
Then Source Model is called to calculate sound source segment Si to the noise contribution value Locti (Si) of each octave of receiving point；
Same method scans next region, belonging to all of same line or area source of sound S like this after run-down
Locti (Si) addition obtain the line or area source of sound to the through noise contribution value of the receiving point.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of outdoor substation Noise Exposure Forecast system, it is characterised in that: including terminal computer (1), interchanger (2), multiple twin
Line (3), acoustic data acquisition device (4), airborne laser range finder (5), temperature monitoring (6), moisture monitors (7) and air monitoring device
(8),
The twisted pair (3) and interchanger (2) are to the communication transfer between more terminal computers (1)；
The acoustic data acquisition device (4) is arranged near substation's sound source and factory Jie Chu, acquires sound pressure level and frequency spectrum data simultaneously
It is transported to terminal computer connected to it (1)；
The airborne laser range finder (5) is Hand-Held LASER Range Finder, and airborne laser range finder (5) acquires substation's solid supplemental characteristic
And station-keeping data, and will be delivered to terminal computer connected to it (1)；
The temperature monitoring (6), moisture monitors (7) and air monitoring device (8) are fixedly arranged in substation, are acquired respectively
Substation's temperature data, humidity data and real-time air speed data, and transfer data to terminal computer connected to it (1)；
Solidify the forecast module being equipped with to carry out Noise Exposure Forecast in the terminal computer (1), forecast module passes through reception
Sound pressure level and frequency spectrum data, substation's solid supplemental characteristic and station-keeping data, substation's temperature data, the humidity number arrived
Noise Exposure Forecast is carried out according to real-time air speed data.
2. a kind of outdoor substation Noise Exposure Forecast system according to claim 1, it is characterised in that: the forecast module packet
Main control unit, input-output unit, modeling unit, Database Unit, display unit and the computing unit of communication connection are included, it is described
To control, the data of input-output unit input main control unit or calculated result exports；The modeling unit is to receive data
And modeled, for the Database Unit to storing data library information, the display unit is described to export forecast result
Computing unit is to calculate the data of acquisition.
3. a kind of outdoor substation Noise Exposure Forecast system according to claim 2, it is characterised in that: the input and output list
Member includes parameters,acoustic input, geometric parameter input, customized input, Output of for ms, two-dimentional acoustic pressure cloud atlas output and three dimensional sound
Press cloud atlas output.
4. a kind of outdoor substation Noise Exposure Forecast system according to claim 2, it is characterised in that: the Database Unit
Including noise source frequency spectrum data library, directive property database, acoustical material parameter database and building base unit library.
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| CN201822053410.9U CN209014139U (en) | 2018-12-08 | 2018-12-08 | A kind of outdoor substation Noise Exposure Forecast system |
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| CN201822053410.9U CN209014139U (en) | 2018-12-08 | 2018-12-08 | A kind of outdoor substation Noise Exposure Forecast system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297584A (en) * | 2018-12-08 | 2019-02-01 | 国网湖北省电力有限公司电力科学研究院 | A kind of outdoor substation Noise Exposure Forecast system and method |
| US11715381B1 (en) * | 2020-06-26 | 2023-08-01 | United States Of America As Represented By The Administrator Of Nasa | Method for identifying aircraft that exceed a specified noise condition in a defined geographical area |
-
2018
- 2018-12-08 CN CN201822053410.9U patent/CN209014139U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297584A (en) * | 2018-12-08 | 2019-02-01 | 国网湖北省电力有限公司电力科学研究院 | A kind of outdoor substation Noise Exposure Forecast system and method |
| CN109297584B (en) * | 2018-12-08 | 2024-03-08 | 国网湖北省电力有限公司电力科学研究院 | Noise forecasting system and method for outdoor transformer substation |
| US11715381B1 (en) * | 2020-06-26 | 2023-08-01 | United States Of America As Represented By The Administrator Of Nasa | Method for identifying aircraft that exceed a specified noise condition in a defined geographical area |
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