CN203287101U - On-site noise acquisition system - Google Patents
On-site noise acquisition system Download PDFInfo
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- CN203287101U CN203287101U CN2013202030445U CN201320203044U CN203287101U CN 203287101 U CN203287101 U CN 203287101U CN 2013202030445 U CN2013202030445 U CN 2013202030445U CN 201320203044 U CN201320203044 U CN 201320203044U CN 203287101 U CN203287101 U CN 203287101U
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Abstract
The utility model discloses an on-site noise acquisition system comprising audio frequency collectors, audio frequency digital signal converter, sound level collectors, a sound level digital signal converter and a data processing device. The digital quantity output terminal of the audio frequency digital signal converter and the digital quantity output terminal of the sound level digital signal converter are connected with the data input of the data processing device. The data processing device obtains on-site noise acquisition data based on acquisition time, matching audio frequency and sound levels, so that the problem that in the prior art, machinery work on-site noise acquisition accuracy is low is solved. Sound signals of a front end are performed double sampling and are analyzed, so that a plurality of collecting mechanisms can be set, network back-transmitting of remote noise data is achieved, characteristics of machinery work distributed layout are completely met, the on-site sound can be monitored in real time even though working personnel are not on site, corresponding treatment on abnormal conditions arisen such as exceeding noises and the like is carried out, and a large quantity of human resources and material resources are saved.
Description
Technical field
The utility model relates to the environment measuring field of working site, particularly a kind of on-the-spot Noise Acquisition system.
Background technology
Along with the progress of society, the acceleration of industrial automation development, increasing mechanical work has replaced original intensive manpower operation.The sustainable growth people that are accompanied by mechanical work are more and more important to the running shape control of machinery, in case machine breaks down, may cause major accident, cause whole activity chain to stop, so people more and more pay attention to the state of mechanical work.
Traditional solution adopts the monitoring personnel on duty or treat that machinery adopts after shutting down the method such as repairing to solve this problem in turn more.But because the general area of mechanical work is larger, due to the having no rule and can follow of, abnormality, so people expend fund and manpower to the monitoring of machine operation state very much.
Simultaneously, the important information that is containing some mechanical operating conditions own in the noise of mechanical work.The machinery that runs well has voice signal stably, if the mechanical noise signal occurs to change suddenly, illustrate that fault may appear in machinery,, if can the acquisition noise signal and noise signal is analyzed, will help equipment running status is carried out Real-Time Monitoring.Usually the function ratio of traditional noise analysis instrument is more single, as sound meter, can only measure sound level, as need to noise further analysis can't complete.
Hence one can see that, in realizing process of the present utility model, the inventor finds in prior art to have following shortcoming: in prior art because the Noise Acquisition to the mechanical work scene only adopts single acquisition geometry, while is due to the restriction of acquisition geometry, therefore can't provide the noise at scene accurately and gather, cause institute's noise gathering signal to have larger deviation, thereby deviation appears in the analysis of being undertaken by this noise gathering signal after directly causing, and can't correctly embody the noise circumstance at mechanical work scene.
The utility model content
For defect of the prior art, the utility model provides a kind of on-the-spot Noise Acquisition system, thereby has solved the low problem of mechanical work on-site noise acquisition precision in the prior art.
in the utility model, on-the-spot Noise Acquisition system, comprise: the audio collection device, the audio digital signals converter, the sound level collector, sound level digital signal converter and data processing equipment, the output of described audio collection device is connected with the analog input end of described audio digital signals converter, the output of described sound level collector is connected with the analog input end of described sound level digital signal converter, the digital output end of described audio digital signals converter and the digital output end of described sound level digital signal converter are connected with the data input of described data processing equipment, described data processing equipment is according to acquisition time, mate described audio frequency and described sound level and obtain on-the-spot Noise Acquisition data.
In some embodiments, described audio collection device comprises successively and to connect: acoustic pickup, noise filter, and audio collection ground scrambler and audio transmission ground demoder, described acoustic pickup carries out sound collection and picks up simultaneously the sound pick-up time.
In some embodiments, described audio digital signals converter comprises connection successively: audio collection card, signal memory cell and audio file output unit.
In some embodiments, described sound level collector comprises: sound meter, described sound meter carry out the decibel collection of sound and pick up simultaneously the sound pick-up time.
In some embodiments, described sound level digital signal converter comprises: the decibel digital quantizer, described decibel digital quantizer is converted to digital quantity with the analog quantity of decibel collection.
In some embodiments, described data processing equipment is: processor of single chip computer and programmable gate array FPGA processor.
In some embodiments, described audio collection device comprises: the multichannel voice frequency collector.
In some embodiments, also comprise: audio collection device supervising device, described audio collection supervising device is connected with a plurality of described audio collection devices, when described audio collection device quantity, during lower than setting value, sends warning message.
In some embodiments, also comprise: sound level collector supervising device, described sound level acquisition monitoring device is connected with a plurality of described sound level collectors, when described sound level collector quantity, during lower than setting value, sends warning message.
compared with prior art, have the following advantages according to on-the-spot Noise Acquisition system of the present utility model: the on-the-spot Noise Acquisition system that the utility model proposes, adopt dual noise gathering mechanism, the voice signal of front end is carried out dual sampling to be analyzed, thereby can be to multiple collection mechanism be set, perfection has realized the network passback of long-range noise data, the characteristics that meet mechanical work distributed arrangement fully, the not on-site sound that also can the Real-Time Monitoring scene of staff, and the abnormal conditions such as the noise that occurs exceeds standard are made corresponding processing, thereby a large amount of power material resources have been saved.
Description of drawings
Fig. 1 is the composition schematic diagram of on-the-spot Noise Acquisition system in a kind of embodiment of the utility model;
Fig. 2 is that the audio collection of on-the-spot Noise Acquisition system in the utility model partly forms schematic diagram;
Fig. 3 is that the sound level collecting part of on-the-spot Noise Acquisition system in the utility model forms schematic diagram;
Fig. 4 is the composition schematic diagram of on-the-spot Noise Acquisition system in another kind of embodiment in the utility model.
Embodiment
Below in conjunction with accompanying drawing, utility model is described in further detail.as shown in the utility model schematic diagram in Fig. 1, on-the-spot Noise Acquisition system in the utility model comprises: audio collection device 11, audio digital signals converter 12, sound level collector 13, sound level digital signal converter 14 and data processing equipment 15, the output of audio collection device 11 is connected with the analog input end of audio digital signals converter 12, the output of sound level collector 13 is connected with the analog input end of sound level digital signal converter 14, the digital output end of audio digital signals converter 12 and the digital output end of sound level digital signal converter 14 are connected with the data input of data processing equipment 15, data processing equipment 15 is according to acquisition time, coupling audio frequency and sound level are obtained on-the-spot Noise Acquisition data.Wherein, data processing equipment 15 is: processor of single chip computer and programmable gate array FPGA processor.
As shown in Figure 2, in the present embodiment, audio collection device 11 comprises successively and to connect: acoustic pickup 21, noise filter 22, audio collection ground scrambler 23 and audio transmission ground demoder 24, acoustic pickup 21 carry out sound collection and pick up simultaneously the sound pick-up time.In the present embodiment, audio digital signals converter 12 comprises connection successively: audio collection card 24, signal memory cell 25 and audio file output unit 26.Wherein, audio collection device 11 comprises: multichannel voice frequency collector 11.: acoustic pickup 21 is passed the real-time sound in scene back terminal after coding, can protect like this authenticity of on-the-spot passback sound.Transmission network: this system scope is larger, and circumstance complication preferentially adopts the fiber plant transmission, guarantees the transmission quality of signal.Terminal: be mainly that the receiving front-end signal analyzes and store two parts to signal.
As shown in Figure 3, sound level collector 13 comprises: sound meter 31, sound meter 31 carry out the decibel collection of sound and pick up simultaneously the sound pick-up time.Sound level digital signal converter 14 comprises: decibel digital quantizer 32, decibel digital quantizer 32 is converted to digital quantity with the analog quantity of decibel collection.The sound meter collection be the decibel value of mechanical noise.Sound meter sends to modular converter with the decibel signal of Real-time Collection with voltage form, modular converter is passed sound meter back signal and is converted to 4～20ma current value, the current signal that converts divides two-way, one tunnel becomes the switching value signal through module converts, abnormal current is reported to the police, and alerting signal is reached PLC ，Ling Yi road signal directly enter PLC and convert the decibels signal to.Two paths of signals is passed back through the PLC network, reports to the police in a road, and a road is as on-the-spot decibel value historical data.
As shown in Figure 4, in order to make the usage quantity of native system energy Real Time Monitoring live audio collector 11 and sound level collector 13, prevent that namely thereby live audio collector 11 and sound level collector 13 are less than setting value and affect the noise data collection effect, therefore also comprise in native system: audio collection device supervising device 41 and sound level collector supervising device 42, audio collection supervising device 41 and a plurality of audio collection device 11 (11-1,11-2 ...) connect, during lower than setting value, send warning message when audio collection device 11 quantity.Sound level collector supervising device 42, sound level acquisition monitoring device and a plurality of sound level collector 13 (13-1,13-2 ...) connect, during lower than setting value, send warning message when sound level collector 13 quantity.Thereby guarantee to gather the validity of noise data.
By the such scheme on-the-spot Noise Acquisition system that proposes of the utility model as can be known, adopt dual noise gathering mechanism, the voice signal of front end is carried out dual sampling to be analyzed, thereby can be to multiple collection mechanism be set, perfection has realized the network passback of long-range noise data, the characteristics that meet mechanical work distributed arrangement fully, the not on-site sound that also can the Real-Time Monitoring scene of staff, and the abnormal conditions such as the noise that occurs exceeds standard are made corresponding processing, thereby a large amount of power material resources have been saved.
Above-described is only embodiments more of the present utility model.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design, can also make some distortion and improvement, these all belong to the protection domain of utility model.
Claims (9)
1. on-the-spot Noise Acquisition system, it is characterized in that, comprise: the audio collection device, the audio digital signals converter, the sound level collector, sound level digital signal converter and data processing equipment, the output of described audio collection device is connected with the analog input end of described audio digital signals converter, the output of described sound level collector is connected with the analog input end of described sound level digital signal converter, the digital output end of described audio digital signals converter and the digital output end of described sound level digital signal converter are connected with the data input of described data processing equipment, described data processing equipment is according to acquisition time, mate described audio frequency and described sound level and obtain on-the-spot Noise Acquisition data.
2. acquisition system according to claim 1, it is characterized in that, described audio collection device comprises connection successively: acoustic pickup, noise filter, and audio collection ground scrambler and audio transmission ground demoder, described acoustic pickup carries out sound collection and picks up simultaneously the sound pick-up time.
3. acquisition system according to claim 2, is characterized in that, described audio digital signals converter comprises successively and to connect: audio collection card, signal memory cell and audio file output unit.
4. acquisition system according to claim 1, is characterized in that, described sound level collector comprises: sound meter, described sound meter carry out the decibel collection of sound and pick up simultaneously the sound pick-up time.
5. acquisition system according to claim 4, is characterized in that, described sound level digital signal converter comprises: the decibel digital quantizer, described decibel digital quantizer is converted to digital quantity with the analog quantity of decibel collection.
6. according to claim 3 or 5 described acquisition systems, is characterized in that, described data processing equipment is: processor of single chip computer and programmable gate array FPGA processor.
7. acquisition system according to claim 1, is characterized in that, described audio collection device comprises: the multichannel voice frequency collector.
8. acquisition system according to claim 1, it is characterized in that, also comprise: audio collection device supervising device, described audio collection supervising device is connected with a plurality of described audio collection devices, during lower than setting value, send warning message when described audio collection device quantity.
9. acquisition system according to claim 1, it is characterized in that, also comprise: sound level collector supervising device, described sound level acquisition monitoring device is connected with a plurality of described sound level collectors, during lower than setting value, send warning message when described sound level collector quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202030445U CN203287101U (en) | 2013-04-22 | 2013-04-22 | On-site noise acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202030445U CN203287101U (en) | 2013-04-22 | 2013-04-22 | On-site noise acquisition system |
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| CN203287101U true CN203287101U (en) | 2013-11-13 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852156A (en) * | 2014-03-28 | 2014-06-11 | 南京理工大学 | Environmental noise position distribution measurement device based on microphone array |
| CN106679796A (en) * | 2015-11-09 | 2017-05-17 | 无锡中衡环境科技有限公司 | Noise sampler |
| CN111678586A (en) * | 2020-06-17 | 2020-09-18 | 西南大学 | Restaurant noise reminding system |
-
2013
- 2013-04-22 CN CN2013202030445U patent/CN203287101U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103852156A (en) * | 2014-03-28 | 2014-06-11 | 南京理工大学 | Environmental noise position distribution measurement device based on microphone array |
| CN106679796A (en) * | 2015-11-09 | 2017-05-17 | 无锡中衡环境科技有限公司 | Noise sampler |
| CN111678586A (en) * | 2020-06-17 | 2020-09-18 | 西南大学 | Restaurant noise reminding system |
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| 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: 20131113 Termination date: 20170422 |
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| CF01 | Termination of patent right due to non-payment of annual fee |