CN209014139U - A kind of outdoor substation Noise Exposure Forecast system - Google Patents

A kind of outdoor substation Noise Exposure Forecast system Download PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
data
substation
unit
forecast
terminal computer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201822053410.9U
Other languages
Chinese (zh)
Inventor
蔡萱
瞿子涵
魏娜
魏正刚
朱亚辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heiner Cod (hubei) Technology Co Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hubei Electric Power Co Ltd
Original Assignee
Heiner Cod (hubei) Technology Co Ltd
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Hubei Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heiner Cod (hubei) Technology Co Ltd, State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Hubei Electric Power Co Ltd filed Critical Heiner Cod (hubei) Technology Co Ltd
Priority to CN201822053410.9U priority Critical patent/CN209014139U/en
Application granted granted Critical
Publication of CN209014139U publication Critical patent/CN209014139U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

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

A kind of outdoor substation Noise Exposure Forecast system
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.
CN201822053410.9U 2018-12-08 2018-12-08 A kind of outdoor substation Noise Exposure Forecast system Active CN209014139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822053410.9U CN209014139U (en) 2018-12-08 2018-12-08 A kind of outdoor substation Noise Exposure Forecast system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822053410.9U CN209014139U (en) 2018-12-08 2018-12-08 A kind of outdoor substation Noise Exposure Forecast system

Publications (1)

Publication Number Publication Date
CN209014139U true CN209014139U (en) 2019-06-21

Family

ID=66843581

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822053410.9U Active CN209014139U (en) 2018-12-08 2018-12-08 A kind of outdoor substation Noise Exposure Forecast system

Country Status (1)

Country Link
CN (1) CN209014139U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN109297584A (en) A kind of outdoor substation Noise Exposure Forecast system and method
CN102194027B (en) Optimized analytical method and system for noise control in transformer station
CN102156180B (en) System and method for monitoring and forecasting regional visibility
CN209014139U (en) A kind of outdoor substation Noise Exposure Forecast system
CN103778566A (en) Heat-engine plant monitoring and measuring method based on three-dimensional visualization demonstration
CN108090614B (en) Method for establishing space wind field prediction model based on correlation coefficient
CN211375602U (en) Mobile intelligent noise live-action cloud picture modeling system for transformer substation
CN101881842A (en) Network weather
CN110910440B (en) Power transmission line length determination method and system based on power image data
WO2021179700A1 (en) Electricity generation prediction method, apparatus and device, and computer readable storage medium
CN110470379A (en) A kind of substation's movable-type intelligent noise continuous collecting system
CN110187363B (en) Wind measuring method, system, equipment and storage medium suitable for large wind power base
CN104182594A (en) Method for drawing power system wind area graph
CN109670257A (en) A kind of converter station sound field emulation mode and system
CN109284552A (en) Overhead transmission line cable draws lower device three-dimensional modeling method, module and electronic equipment
CN105866732B (en) The mixing indoor orientation method that a kind of improvement MK models and WKNN algorithms are combined
CN105005581A (en) Method and system for processing wind resource data of wind power plant
Zhang et al. Power line simulation for safety distance detection using point clouds
CN116958472A (en) Transmission line crossing detection analysis method
CN112464494A (en) Construction system is built to wisdom
CN108242962A (en) A kind of indoor signal propagation loss computational methods and device based on measurement report
CN115951699A (en) Collaborative path planning method and system for 5G power inspection unmanned aerial vehicle
CN206974485U (en) A kind of project of transmitting and converting electricity environment sensitive factor intelligence real time on-line monitoring system
Kragh et al. The Nord2000 prediction method for road traffic noise–outline and validation, and application in environmental noise mapping
CN106845837B (en) Power transmission and transformation project environment sensitive area monitoring system and method based on big data technology

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant