CN211061051U - Wisdom municipal noise supervision device suitable for all-weather full flow - Google Patents
Wisdom municipal noise supervision device suitable for all-weather full flow Download PDFInfo
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- CN211061051U CN211061051U CN201822112096.7U CN201822112096U CN211061051U CN 211061051 U CN211061051 U CN 211061051U CN 201822112096 U CN201822112096 U CN 201822112096U CN 211061051 U CN211061051 U CN 211061051U
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Abstract
The utility model discloses an all-weather full-flow intelligent municipal noise supervision device, which comprises a multipoint noise acquisition unit, a signal amplification circuit, a frequency weighting circuit, a noise detection circuit, an analog-to-digital converter, a noise data register, a comparison judgment circuit, a noise monitoring and processing unit and a communication module which are connected in sequence; the noise monitoring processing unit is respectively connected with a time comparison judgment controller and a time threshold memory; the time comparison and judgment controller is respectively connected with a time threshold memory, a real-time clock module and a noise alarm threshold memory; the noise alarm threshold value memory is also connected with the comparison decision circuit; the communication module is wirelessly connected with the noise monitoring center. The utility model discloses can realize real-time supervision, multiple spot monitoring, continuous monitoring, accurate judgement and real-time control of urban noise.
Description
Technical Field
The utility model belongs to municipal environmental monitoring field, concretely relates to wisdom municipal noise supervision device suitable for all-weather full flow.
Background
With the rapid development of national economy, the urban environmental noise pollution problem is increasingly prominent. In the noise pollution composition, the noise problem caused by the construction of the construction site in the municipal construction process accounts for a large proportion, and the noise of the construction site disturbs people more and more. The construction noise can not only disturb the life and work of people, but also can influence the body and the mind of people, so the noise problem is more and more emphasized by people, and the most critical ring of noise control is the monitoring of the noise.
Ambient noise pollution has temporal and spatial discontinuities in distribution. The traditional noise monitoring adopts a manual monitoring method for monitoring a plurality of frequencies and time intervals in one year, and has the following problems: (1) the real-time performance is poor, and the pollution condition is not easy to master in time; (2) the continuity is poor, and the noise pollution condition of the construction site cannot be evaluated for a long time; (3) for sudden pollution accidents, the accidents are difficult to find and process in time. It follows that conventional manual monitoring methods have not been able to meet the needs of development.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing but real-time supervision, multiple spot monitoring, continuous monitoring, accurate judgement, real-time control's a wisdom municipal noise supervision device suitable for all-weather full flow.
In order to achieve the above purpose, the utility model provides a following technical scheme: a smart municipal noise supervision device suitable for all-weather full flow comprises a multipoint noise acquisition unit, a signal amplification circuit, a frequency weighting circuit, a noise detection circuit, an analog-to-digital converter, a noise data register, a comparison judgment circuit, a noise monitoring processing unit and a communication module which are sequentially connected; the noise monitoring and processing unit is respectively connected with a time comparison and judgment controller and a time threshold memory; the time comparison and judgment controller is respectively connected with a time threshold memory, a real-time clock module and a noise alarm threshold memory; the noise alarm threshold value memory is also connected with the comparison and judgment circuit; the communication module is wirelessly connected with the noise monitoring center.
The multipoint noise acquisition unit: the system is used for monitoring the noise of the construction site in multiple directions and converting a sound pressure signal of the detected noise into a voltage signal;
a signal amplification circuit: the voltage signal amplifying unit is used for amplifying the voltage signal generated by the multipoint noise collecting unit;
frequency weighting circuit: the signal amplification circuit is used for carrying out frequency filtering on the voltage signal output by the signal amplification circuit according to certain weighting characteristics, namely attenuating certain frequency sounds and enhancing certain frequency sounds, so that the sensitivity of human ears at different frequencies is simulated;
a noise detection circuit: the frequency weighting circuit is used for outputting an alternating current voltage signal which is converted into a direct current signal;
an analog-to-digital converter: the noise detection circuit is used for converting the analog voltage signal output by the noise detection circuit into a digital signal;
noise data register: the noise digital signal is used for storing the noise digital signal output by the analog-to-digital converter;
a comparison and judgment circuit: the noise monitoring and processing unit is used for taking the noise maximum value of the noise digital signal output by the noise data register, comparing and judging the noise maximum value and the noise alarm threshold value output by the noise alarm threshold value storage, and outputting a judgment result signal to the noise monitoring and processing unit;
a noise monitoring processing unit: the time comparison judgment controller is used for receiving a judgment result signal of the comparison judgment circuit and a time comparison judgment result signal of the time comparison judgment controller, inputting a time threshold value into the time threshold value memory, sending an instruction to the time comparison judgment controller, and sending data to the noise monitoring center or receiving data from the noise monitoring center through the communication module;
a communication module: the data processing unit is used for transmitting the data output by the noise monitoring processing unit to the noise monitoring center;
a real-time clock module: for outputting a real-time signal;
time threshold memory: the time threshold value is used for storing the noise generation;
a time comparison decision controller: the time threshold value memory is used for comparing and judging the real-time generated by the noise and the time threshold value of the time threshold value memory so as to judge whether the real-time belongs to the daytime or the night and sending the judgment result to the noise alarm threshold value memory and the noise monitoring processing unit;
noise alarm threshold memory: an alarm threshold for storing worksite noise;
noise monitoring center: and the noise monitoring unit is used for receiving the noise value sent by the noise monitoring processing unit, the corresponding time value and the judgment result and monitoring the noise in real time.
The noise alarm threshold memory stores 2 sets of noise alarm thresholds, 70 db and 55 db respectively.
The time threshold memory stores 2 sets of time thresholds, respectively 06: 00 and 22: 00.
the communication module adopts a GPRS communication mode.
The utility model has the advantages that: noise collection is carried out by setting a plurality of noise monitoring points, whether the site noise exceeds the environmental noise emission standard regulation of a building construction site boundary is comprehensively judged according to real-time and site noise values, the collected noise values, the corresponding time values and the judgment results are transmitted to a noise monitoring center in real time, and real-time monitoring, multi-point monitoring, continuous monitoring, accurate judgment and real-time control of the noise can be realized.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1: a smart municipal noise supervision device suitable for all-weather full flow comprises a multipoint noise acquisition unit, a signal amplification circuit, a frequency weighting circuit, a noise detection circuit, an analog-to-digital converter, a noise data register, a comparison judgment circuit, a noise monitoring processing unit and a communication module which are sequentially connected; the noise monitoring and processing unit is respectively connected with a time comparison and judgment controller and a time threshold memory; the time comparison and judgment controller is respectively connected with a time threshold memory, a real-time clock module and a noise alarm threshold memory; the noise alarm threshold value memory is also connected with the comparison and judgment circuit; the communication module is wirelessly connected with the noise monitoring center.
The multipoint noise acquisition unit: the system is used for monitoring the noise of the construction site in multiple directions and converting a sound pressure signal of the detected noise into a voltage signal;
a signal amplification circuit: the voltage signal amplifying unit is used for amplifying the voltage signal generated by the multipoint noise collecting unit;
frequency weighting circuit: the signal amplification circuit is used for carrying out frequency filtering on the voltage signal output by the signal amplification circuit according to certain weighting characteristics, namely attenuating certain frequency sounds and enhancing certain frequency sounds, so that the sensitivity of human ears at different frequencies is simulated;
a noise detection circuit: the frequency weighting circuit is used for outputting an alternating current voltage signal which is converted into a direct current signal;
an analog-to-digital converter: the noise detection circuit is used for converting the analog voltage signal output by the noise detection circuit into a digital signal;
noise data register: the noise digital signal is used for storing the noise digital signal output by the analog-to-digital converter;
a comparison and judgment circuit: the noise monitoring and processing unit is used for taking the noise maximum value of the noise digital signal output by the noise data register, comparing and judging the noise maximum value and the noise alarm threshold value output by the noise alarm threshold value storage, and outputting a judgment result signal to the noise monitoring and processing unit;
a noise monitoring processing unit: the time comparison judgment controller is used for receiving a judgment result signal of the comparison judgment circuit and a time comparison judgment result signal of the time comparison judgment controller, inputting a time threshold value into the time threshold value memory, sending an instruction to the time comparison judgment controller, and sending data to the noise monitoring center or receiving data from the noise monitoring center through the communication module;
a communication module: the data processing unit is used for transmitting the data output by the noise monitoring processing unit to the noise monitoring center;
a real-time clock module: for outputting a real-time signal;
time threshold memory: the time threshold value is used for storing the noise generation;
a time comparison decision controller: the time threshold value memory is used for comparing and judging the real-time generated by the noise and the time threshold value of the time threshold value memory so as to judge whether the real-time belongs to the daytime or the night and sending the judgment result to the noise alarm threshold value memory and the noise monitoring processing unit;
noise alarm threshold memory: an alarm threshold for storing worksite noise;
noise monitoring center: and the noise monitoring unit is used for receiving the noise value sent by the noise monitoring processing unit, the corresponding time value and the judgment result and monitoring the noise in real time.
The noise alarm threshold memory stores 2 sets of noise alarm thresholds, 70 db and 55 db respectively.
The time threshold memory stores 2 sets of time thresholds, respectively 06: 00 and 22: 00.
the communication module adopts a GPRS communication mode.
The above description is only the preferred embodiment of the present invention, and it is not understood that the protection scope of the present invention is limited, and the technical engineers in the field are right according to the content of the above utility model, and the improvement and adjustment made by the present invention are all included in the protection scope of the present invention.
Claims (2)
1. The utility model provides an wisdom municipal noise supervision device suitable for all-weather full flow, its characterized in that: the system comprises a multipoint noise acquisition unit, a signal amplification circuit, a frequency weighting circuit, a noise detection circuit, an analog-to-digital converter, a noise data register, a comparison decision circuit, a noise monitoring processing unit and a communication module which are sequentially connected; the noise monitoring and processing unit is respectively connected with a time comparison and judgment controller and a time threshold memory; the time comparison and judgment controller is respectively connected with a time threshold memory, a real-time clock module and a noise alarm threshold memory; the noise alarm threshold value memory is also connected with the comparison and judgment circuit; the communication module is wirelessly connected with the noise monitoring center.
2. The intelligent municipal noise supervision device according to claim 1, which is adapted for all-weather full-flow, and is characterized by: the communication module adopts a GPRS communication mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112096.7U CN211061051U (en) | 2018-12-16 | 2018-12-16 | Wisdom municipal noise supervision device suitable for all-weather full flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822112096.7U CN211061051U (en) | 2018-12-16 | 2018-12-16 | Wisdom municipal noise supervision device suitable for all-weather full flow |
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| Publication Number | Publication Date |
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| CN211061051U true CN211061051U (en) | 2020-07-21 |
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| CN201822112096.7U Active CN211061051U (en) | 2018-12-16 | 2018-12-16 | Wisdom municipal noise supervision device suitable for all-weather full flow |
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| CN (1) | CN211061051U (en) |
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