CN205209628U - Outdoor wireless ambient noise monitoring system - Google Patents
Outdoor wireless ambient noise monitoring system Download PDFInfo
- Publication number
- CN205209628U CN205209628U CN201520855751.1U CN201520855751U CN205209628U CN 205209628 U CN205209628 U CN 205209628U CN 201520855751 U CN201520855751 U CN 201520855751U CN 205209628 U CN205209628 U CN 205209628U
- Authority
- CN
- China
- Prior art keywords
- chip microcomputer
- amplifier
- noise
- information
- internet
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides an outdoor wireless ambient noise monitoring system, include: sound sensor, preamplifier, secondary amplifier, a weighting network, logarithmic detector, AD converter, singlechip, gang up letter, wireless network module, launch pad, receiving station, internet, data processing center, operation user, RAM memory, clock, LCD and show. The utility model provides an outdoor wireless ambient noise monitoring system, reasonable in design, simple structure, have range of application guangZhou, the measuring of can automizing, can be in real time advantage such as measuring in succession, overcome owing to lack corresponding monitoring facilities, the noise usually can not get the problem of timely monitoring yu improvement, this device market potential is big, can promote on market.
Description
Technical field
The utility model relates to a kind of outdoor wireless environment noise monitoring system, belongs to noise-monitoring equipment design ap-plication field.
Background technology
Along with the propelling day by day of industrialization step, traffic growing, the noise caused by heavy-duty machines equipment and the vehicles of factory is on the rise.Owing to lacking corresponding monitoring equipment, noise usually can not get monitoring and governance timely, can produce huge harm with the same noise pollution of other chemical contaminations to human auditory, cardiovascular and cerebrovascular etc.The monitoring of equipment sensitivity had at present is not high, and monitoring index is comparatively single, and automaticity is lower, and the result detected well can not react the actual state of noise with the extent of injury.
For this reason, design a kind of outdoor wireless environment noise monitoring system, automatic monitoring can be carried out to noise, reduce the manufacturing cost of surveying instrument.This instrument application scope is wide, various complex environment operating mode can be adapted to very well, record can be carried out to the place and noise generation time having noise pollution, by radio network interface uploading data, continuous print monitoring analysis can be realized, simultaneously by Internet Transmission artificial terminal enhance the usefulness of system.This instrument also can be used for college teaching demonstration and scientific research activity, is conducive to student and fully realizes and the producing cause grasping noise, thus promote that it is to the scientific research Exploratory behavior of Noise measarement.
Summary of the invention
The purpose of this utility model is to provide a kind of outdoor wireless environment noise monitoring system.
The utility model solves the technical scheme that its technical matters adopts: a kind of outdoor wireless environment noise monitoring system, comprise: sound transducer, prime amplifier, secondary amplifier, A weighting network, logarithmic detector, A/D converter, single-chip microcomputer, gang up letter, wireless network module, transmitting station, receiving platform, internet, data processing centre (DPC), operation user, RAM storer, clock, LCD shows, it is characterized in that: a kind of sound transducer of outdoor wireless environment noise monitoring system is connected to prime amplifier, prime amplifier is connected with secondary amplifier, when noise produces, sound transducer obtains noise information and sends to prime amplifier process, secondary amplifier is sent to after prime amplifier process, reduce by prime amplifier and secondary amplifier the acoustic attenuation caused due to front terminal impedance and expand monitoring range and sensitivity, secondary amplifier is connected with A weighting network, A weighting network is connected to logarithmic detector, signal after amplification sends to A weighting network to carry out filtering by secondary amplifier, logarithmic detector is sent to carry out the process of logarithmic detector process through the filtered voice signal of A weighting network, thus the sensitivity of simulation people's ear when different frequency, logarithmic detector is connected to single-chip microcomputer by A/D converter, after simulating signal being converted to digital signal by A/D converter, information conveyance is carried out Treatment Analysis to single-chip microcomputer, single-chip microcomputer, as central processing unit, is connected to RAM storer, and single-chip microcomputer carries out preliminary identifying processing to numeral and is stored in the middle of RAM storer by information, single-chip microcomputer also connects clock, single-chip microcomputer operationally, the simultaneously value of recording clock, single-chip microcomputer also connects LCD display, shows display noise information by Single-chip Controlling LCD, single-chip microcomputer connects simultaneously gangs up letter, and gang up letter and be connected with wireless network module, wireless network module is connected with transmitting station, to gang up delivering after believer in a certain religion's single-chip microcomputer obtaining information by wireless network module via transmitting station, transmitting station realizes communicating by wireless signal emission and receiving platform, receiving platform is connected to internet, there is data processing centre (DPC) inside, internet, uploads to internet and then be transferred to data processing centre (DPC) after receiving platform obtaining information, and operation user obtains noise information by data processing centre (DPC).
The beneficial effects of the utility model are: adopt logarithmic detector, the logarithm of the sound that people's ear is heard and the sound intensity is almost linear, adopt logarithmic detector can the relation of the more reasonably energy that has of simulated sound and people's ear, adopt double amplifying circuit, the voice signal of input is amplified, improve the scope of test, the measuring accuracy of entire system is improve a rank, adopt double integration A/D converter, improve the antijamming capability of analog-to-digital efficiency and entire system, good effect is played to the optimization of system, adopt wireless network and cable network in conjunction with transmission mode, the system of expanding can arrange scope, reduce cable network to connect institute and make troubles and the long transmission instability problem caused apart from wireless network.
Accompanying drawing explanation
Fig. 1 is a kind of outdoor wireless environment noise monitoring system schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, a kind of outdoor wireless environment noise monitoring system of the utility model is described further.
In Fig. 1,1-sound transducer, 2-prime amplifier, 3-secondary amplifier, 4-A weighting network, 5-transmitting station, 6-wireless network module, 7-gang up letter, 8-receiving platform, 9-internet, 10-logarithmic detector, 11-A/D converter, 12-single-chip microcomputer, 13-RAM storer, 14-clock, 15-LCD shows, 16-operation user, 17-data processing centre (DPC).
A kind of sound transducer 1 of outdoor wireless environment noise monitoring system is used for acquisition noise information, the voice signal of input can amplify by prime amplifier 2 and secondary amplifier 3, improve the scope of test, the measuring accuracy of entire system is improve a rank.A weighting network 4 can carry out filtering process to signal.Logarithmic detector 10 can the relation of the energy that has of simulated sound and people's ear.Simulating signal can be converted to digital signal by A/D converter 11.Single-chip microcomputer 12, can by noise signal stored in RAM storer 13 as central processing unit, the information of recording clock 14 simultaneously, and display in LCD display 15, can be launched by signal by ganging up letter 7 and wireless network module 6 and transmitting station 5 meanwhile.Receiving platform 8 can receive the information that transmitting station 5 is launched.Internet 9 can upload the data to data processing centre (DPC) 17, and operation user 16 can obtain noise information by data processing centre (DPC) 17.
Sound transducer 1 is connected to prime amplifier 2, and prime amplifier 2 is connected with secondary amplifier 3, and secondary amplifier 3 is connected with A weighting network 4, and A weighting network 4 is connected to logarithmic detector 10, and logarithmic detector 10 is connected to single-chip microcomputer 12 by A/D converter 11.Single-chip microcomputer 12, as central processing unit, respectively connected RAM storer 13, clock 14, LCD display 15 and gangs up letter 7.Gang up letter 7 to be connected with wireless network module 6, wireless network module 6 is connected with transmitting station 5, and transmitting station 5 can realize communicating with receiving platform 8 by wireless signal emission, and receiving platform 8 is connected to internet 9, there is data processing centre (DPC) 17 inside, internet 9, and operation user 16 can visit data processing enter 17.
When noise produces, sound transducer 1 obtains noise information, reduces the acoustic attenuation caused due to front terminal impedance expand monitoring range and sensitivity by prime amplifier 2 and secondary amplifier 3.Carry out the sensitivity at different frequency of the filtering of voice signal and logarithmic detector process simulation people ear through A weighting network 4 and logarithmic detector 10 afterwards, then simulating signal to be converted to information conveyance after digital signal to single-chip microcomputer 12 by A/D converter 11.Single-chip microcomputer 12 carries out preliminary identifying processing to numeral and is stored in the middle of RAM storer 13 by information, simultaneously the value of recording clock 14, and by information displaying in LCD display 15.Gang up letter 7 after single-chip microcomputer 12 obtaining information by wireless network module 6 via transmitting station 5 by delivering.Upload to internet 9 after receiving platform 8 obtaining information of the other end and then be transferred to data processing centre (DPC) 17, the operation user 16 in data handling heart 17 can carry out Real Time Observation to make and reacts behave timely.
The utility model provides a kind of outdoor wireless environment noise monitoring system, reasonable in design, structure is simple, have applied range, can Aulomatizeted Detect, can the advantage such as real-time continuous detection, overcome owing to lacking corresponding monitoring equipment, noise usually can not get the problem of monitoring and governance timely, this device market potential is large, can commercially promote.
Claims (1)
1. an outdoor wireless environment noise monitoring system, comprise: sound transducer, prime amplifier, secondary amplifier, A weighting network, logarithmic detector, A/D converter, single-chip microcomputer, gang up letter, wireless network module, transmitting station, receiving platform, internet, data processing centre (DPC), operation user, RAM storer, clock, LCD shows, it is characterized in that: a kind of sound transducer of outdoor wireless environment noise monitoring system is connected to prime amplifier, prime amplifier is connected with secondary amplifier, when noise produces, sound transducer obtains noise information and sends to prime amplifier process, secondary amplifier is sent to after prime amplifier process, reduce by prime amplifier and secondary amplifier the acoustic attenuation caused due to front terminal impedance and expand monitoring range and sensitivity, secondary amplifier is connected with A weighting network, A weighting network is connected to logarithmic detector, signal after amplification sends to A weighting network to carry out filtering by secondary amplifier, logarithmic detector is sent to carry out the process of logarithmic detector process through the filtered voice signal of A weighting network, thus the sensitivity of simulation people's ear when different frequency, logarithmic detector is connected to single-chip microcomputer by A/D converter, after simulating signal being converted to digital signal by A/D converter, information conveyance is carried out Treatment Analysis to single-chip microcomputer, single-chip microcomputer, as central processing unit, is connected to RAM storer, and single-chip microcomputer carries out preliminary identifying processing to numeral and is stored in the middle of RAM storer by information, single-chip microcomputer also connects clock, single-chip microcomputer operationally, the simultaneously value of recording clock, single-chip microcomputer also connects LCD display, shows display noise information by Single-chip Controlling LCD, single-chip microcomputer connects simultaneously gangs up letter, and gang up letter and be connected with wireless network module, wireless network module is connected with transmitting station, to gang up delivering after believer in a certain religion's single-chip microcomputer obtaining information by wireless network module via transmitting station, transmitting station realizes communicating by wireless signal emission and receiving platform, receiving platform is connected to internet, there is data processing centre (DPC) inside, internet, uploads to internet and then be transferred to data processing centre (DPC) after receiving platform obtaining information, and operation user obtains noise information by data processing centre (DPC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855751.1U CN205209628U (en) | 2015-11-01 | 2015-11-01 | Outdoor wireless ambient noise monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520855751.1U CN205209628U (en) | 2015-11-01 | 2015-11-01 | Outdoor wireless ambient noise monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205209628U true CN205209628U (en) | 2016-05-04 |
Family
ID=55847338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520855751.1U Expired - Fee Related CN205209628U (en) | 2015-11-01 | 2015-11-01 | Outdoor wireless ambient noise monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205209628U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228709A (en) * | 2017-05-19 | 2017-10-03 | 亿信标准认证集团有限公司 | Square noise intensity detector |
| CN107402062A (en) * | 2017-08-29 | 2017-11-28 | 苏州麦喆思科电子有限公司 | A kind of method for controlling square dance noise |
-
2015
- 2015-11-01 CN CN201520855751.1U patent/CN205209628U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228709A (en) * | 2017-05-19 | 2017-10-03 | 亿信标准认证集团有限公司 | Square noise intensity detector |
| CN107402062A (en) * | 2017-08-29 | 2017-11-28 | 苏州麦喆思科电子有限公司 | A kind of method for controlling square dance noise |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103414991A (en) | Self-adaptive adjustment method for indoor sound reinforcement system | |
| CN205209628U (en) | Outdoor wireless ambient noise monitoring system | |
| CN201926500U (en) | Ultra low power consumption digital sound level meter based on WIFI (Wireless Fidelity) | |
| CN102510418A (en) | Method and device for measuring speech intelligibility at noisy environment | |
| CN111508531A (en) | Audio processing method and device | |
| CN201453277U (en) | Speech audiometry volume automatic calibrating device for audiometer | |
| CN203163873U (en) | Noise measuring device | |
| Blair et al. | Measuring environmental noise from airports, oil and gas operations, and traffic with smartphone applications: laboratory and field trials | |
| CN203097950U (en) | Underground gas density real-time monitoring system used in mine | |
| CN104274209A (en) | Novel fetus-voice meter based on mobile intelligent terminal | |
| CN203988071U (en) | Simulated environment hearing aid fitting instrument | |
| Gunatilaka | An iot-enabled acoustic sensing platform for noise pollution monitoring | |
| CN204718646U (en) | A kind of new indoor harmful gas composition detection system | |
| CN203773011U (en) | Partial discharge detector based on audio power amplifier circuit | |
| CN201422869Y (en) | Psychological tracking and analyzing device | |
| CN204731366U (en) | Metal-enclosed bus equipment ac voltage withstanding discharge fault positioning system | |
| CN206235390U (en) | A kind of hand-held vibration noise measuring instrument with writing function | |
| CN206226723U (en) | A kind of loudspeaker detection means | |
| CN204613730U (en) | A kind of culture environment of aquatic products supervising device | |
| CN104713579A (en) | Universal type sensor signal processing system | |
| CN206919927U (en) | A kind of area surroundings detecting and controlling system based on wireless network sensor | |
| CN201683903U (en) | Pocket portable screening type sonometer | |
| CN203493632U (en) | Passive-type fetal heart rate measuring system | |
| CN204760211U (en) | Power transformer active noise reduction system | |
| CN206136296U (en) | Otoacoustic emission transmission detection device based on mobile intelligent equipment audio interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20161101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |