CN211824720U - Noise monitoring voice reminding system - Google Patents

Abstract

The utility model discloses a noise monitoring voice reminder system, which comprises a host and slaves installed in multiple positions; the host comprises a single chip minimum system, a bluetooth module, a clock module, a liquid crystal screen, a buzzer and a wireless receiving module; The machine includes a single chip minimum system, a sound sensor, a signal conditioning module, a wireless transmitting module and a display module; the host communicates with the slaves in multiple positions through the wireless receiving module, and receives the data sent by the slaves through the wireless transmitting module. The screen displays the sound decibel value of the location of each slave in real time; the host acquires the date and time by reading the data of the clock module; the host sends the sound data of the location of each slave to the administrator's mobile phone through the Bluetooth module; The buzzer reminds the sound exceeding the standard information. The utility model realizes the noise monitoring of the whole library by a single person, reduces manpower input, and improves the effect of noise monitoring.

Description

A noise monitoring voice reminder system

technical field

The utility model belongs to the technical field of noise monitoring, in particular to a noise monitoring voice reminder system.

Background technique

Noise has always been a major factor affecting people's quality of life, work and study. Noise pollution is one of the three major pollutions in the world today. University libraries are often the center of student self-study on campus, and a quiet reading environment can help readers concentrate, concentrate on study and engage in research work.

Noise is an acoustic phenomenon that produces unpleasant or irritating hearing. Physiologically, noise may not only cause problems such as endocrine abnormalities, headache, fatigue and high blood pressure, but more serious harm is the acoustic hearing loss caused by prolonged exposure; and psychologically, noise will make people feel Tiredness and inability to concentrate will affect students' performance in various homework and thinking and learning ability, so effective methods should be taken to prevent and control them.

Utility model content

The technical problem to be solved by the present invention is to provide a noise monitoring voice reminder system aiming at the above-mentioned deficiencies of the prior art.

In order to realize the above-mentioned technical purpose, the technical scheme adopted by the present utility model is:

A noise monitoring voice reminder system, including a master and a slave installed in multiple locations;

The host includes a single chip minimum system, a Bluetooth module, a clock module, a liquid crystal screen, a buzzer and a wireless receiving module;

The slave includes a single chip minimum system, a sound sensor, a signal conditioning module, a wireless transmission module and a display module;

The host communicates with the slaves in multiple positions through the wireless receiving module, receives the data sent by the slaves through the wireless transmitting module, the host displays the sound decibel value of the location of each slave in real time through the LCD screen; the host reads the clock module by reading the clock module. The data obtained by the host computer realizes the acquisition of the date and time; the host sends the sound data of the location of each slave to the administrator's mobile phone through the Bluetooth module; the host reminds the sound exceeding the standard information through the buzzer.

The above-mentioned minimum host system adopts STM32 series single-chip microcomputer, adopts STM32F103RCT6 single-chip microcomputer, communicates with the Bluetooth module through the serial port, reads the clock module data through the IIC protocol, controls the LCD display through the serial port, controls the buzzer through the I/O port, and communicates with the Bluetooth module through the SPI protocol. Wireless receiver module communication.

The Bluetooth module of the above host adopts HC-05 Bluetooth module, which is powered by 3.3V voltage and communicates with the minimum system through the serial port, and TTL level is used in the communication.

The clock module of the above host adopts DS1302 module, which communicates with the minimum system through the IIC protocol to realize the minimum system timing.

The wireless receiving module of the above-mentioned host adopts the PT2262 module, which realizes receiving the data of the wireless transmitting module of the slave.

The wireless transmitter module of the above-mentioned slave adopts the PT2272 module, which realizes the PT2262 module that sends the sound sensor data to the host.

The minimum system of the above slaves adopts STM32 series single-chip microcomputer and STM32F103RCT6 single-chip microcomputer. The minimum system of the slave machine reads the voltage value of the signal conditioning module through AD, the minimum system of the slave machine controls the display module to display the sound value through the serial port, and the minimum system of the slave machine uses the SPI protocol. Communicate with the wireless transmitter module.

The signal conditioning module of the above-mentioned slave uses the NE5532 amplifier to convert the millivolt-level signal of the sound sensor into a volt-level signal.

The above-mentioned sound sensor adopts an electret microphone.

The utility model has the following beneficial effects:

The noise monitoring voice reminder system of the utility model realizes the noise monitoring of the specific location of the library through the slave machines distributed in multiple locations of the library, and realizes the distinction between the noise and the specific location through the algorithm in the single chip microcomputer. At the same time of sound monitoring, by sending the noise data to the host, and then to the administrator app, the administrator can monitor the library as a whole, so that a single person can monitor the entire library, reducing manpower investment. The effect of noise monitoring is improved.

Description of drawings

1 is a schematic diagram of the system architecture of the present invention;

2 is a schematic diagram of the mainframe structure of the present utility model;

3 is a schematic diagram of the slave machine architecture of the present invention;

FIG. 4 is a schematic circuit diagram of the Bluetooth module of the present invention.

Detailed ways

The embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to Figure 1, a noise monitoring voice reminder system includes a master and a slave installed in multiple locations;

Referring to FIG. 2, the host includes a single-chip minimum system, a Bluetooth module, a clock module, a liquid crystal screen, a buzzer and a wireless receiving module;

Referring to Figure 3, the slave includes a single-chip minimum system, a sound sensor, a signal conditioning module, a wireless transmission module and a display module;

The host communicates with the slaves in multiple positions through the wireless receiving module, receives the data sent by the slaves through the wireless transmitting module, the host displays the sound decibel value of the location of each slave in real time through the LCD screen; the host reads the clock module by reading the clock module. The data obtained by the host computer realizes the acquisition of the date and time; the host sends the sound data of the location of each slave to the administrator's mobile phone through the Bluetooth module; the host reminds the sound exceeding the standard information through the buzzer.

In the embodiment, the minimum system of the host adopts STM32 series single-chip microcomputer, adopts STM32F103RCT6 single-chip microcomputer, communicates with the Bluetooth module through the serial port, reads the clock module data through the IIC protocol, controls the LCD display through the serial port, and controls the buzzer through the I/O port. , communicate with the wireless receiving module through the SPI protocol.

Referring to FIG. 4 , in the embodiment, the bluetooth module of the host adopts HC-05 bluetooth module, uses 3.3V voltage for power supply, communicates with the minimum system through the serial port, and uses TTL level in the communication.

In the embodiment, the clock module of the host adopts the DS1302 module, which communicates with the minimum system through the IIC protocol, so as to realize the minimum system timing.

In the embodiment, the wireless receiving module of the host adopts a PT2262 module to receive data from the wireless transmitting module of the slave.

In the embodiment, the wireless transmission module of the slave adopts the PT2272 module, which realizes the transmission of the sound sensor data to the PT2262 module of the host.

In the embodiment, the minimum system of the slave machine adopts STM32 series single-chip microcomputer and STM32F103RCT6 single-chip microcomputer. The minimum system of the slave machine reads the voltage value of the signal conditioning module through AD, and the minimum system of the slave machine controls the display module to display the sound value through the serial port. The minimal system communicates with the wireless transmitter module through the SPI protocol.

In the embodiment, the signal conditioning module of the slave adopts an NE5532 amplifier to convert the millivolt-level signal of the sound sensor into a volt-level signal.

In an embodiment, the sound sensor adopts an electret microphone.

The working principle of the utility model is as follows: the sound sensors of a plurality of slaves respectively collect the sound signals at their locations, and the millivolt-level signals output by the sound sensors are converted into volt-level signals between 0-3.3V through the signal conditioning module, and then Convert it into sound decibel value, display the sound decibel value in real time through the display module, and send the sound decibel value to the host through the wireless transmitter module;

The host summarizes the sound decibel value information of multiple slaves, and displays the noise information in the library on the LCD screen in real time according to the location of each slave. When the noise of a slave exceeds the threshold, the host can pass the buzzer. An alarm is issued, and the library administrator can view the real-time status of the entire library through the mobile app in real time during the operation of the host computer.

After adopting the noise monitoring voice reminding system of the utility model, the noise monitoring of the specific location of the library is realized through the slave machines distributed in multiple locations of the library, and the algorithm in the single-chip microcomputer realizes the distinction of the noise, and realizes the detection of the noise. While monitoring the sound of the specific location, by sending the noise data to the host, and then to the administrator's app, the administrator can monitor the entire library, so that a single person can monitor the entire library, reducing manpower. investment to improve the effect of noise monitoring.

The above are only the preferred embodiments of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the present invention should be regarded as the protection scope of the present invention.

Claims (9)

1. A noise monitoring voice reminding system is characterized by comprising a host and slave machines which are issued and installed at a plurality of positions;

the host comprises a singlechip minimum system, a Bluetooth module, a clock module, a liquid crystal screen, a buzzer and a wireless receiving module;

the slave machine comprises a singlechip minimum system, a sound sensor, a signal conditioning module, a wireless transmitting module and a display module;

the host machine is communicated with the slave machines at multiple positions through the wireless receiving module, receives data sent by the slave machines through the wireless transmitting module, and displays sound decibel values of the positions of the slave machines in real time through the liquid crystal screen; the host computer realizes the acquisition of date and time by reading the data of the clock module; the master machine sends the sound data of the positions of the slaves to the administrator mobile phone through the Bluetooth module; the host machine reminds the sound overproof information through a buzzer.

2. The noise monitoring voice reminding system as claimed in claim 1, wherein the minimum system of the host computer adopts an STM32 series single chip microcomputer, adopts an STM32F103RCT6 single chip microcomputer, communicates with a Bluetooth module through a serial port, reads clock module data through an IIC protocol, controls a liquid crystal display through the serial port, controls a buzzer through an I/O port, and communicates with a wireless receiving module through an SPI protocol.

3. The noise monitoring voice reminding system of claim 1, wherein the bluetooth module of the host computer is HC-05 bluetooth module, is powered by 3.3V voltage, communicates with the minimum system through a serial port, and uses TTL level in communication.

4. The noise monitoring voice reminding system of claim 1, wherein the clock module of the host adopts a DS1302 module, and communicates with a minimum system through an IIC protocol to realize minimum system time service.

5. The noise monitoring voice reminding system according to claim 1, wherein the wireless receiving module of the master machine adopts a PT2262 module to receive data from the wireless transmitting module of the slave machine.

6. The noise monitoring voice reminding system according to claim 1, wherein the wireless transmitting module of the slave machine adopts a PT2272 module, so as to realize sending the data of the sound sensor to a PT2262 module of the master machine.

7. The noise monitoring voice reminding system as claimed in claim 1, wherein the minimum system of the slave machine adopts an STM32 series single chip microcomputer, an STM32F103RCT6 single chip microcomputer, the minimum system of the slave machine reads the voltage value of the signal conditioning module through AD, the minimum system of the slave machine controls the display module to display the sound value through a serial port, and the minimum system of the slave machine communicates with the wireless transmission module through an SPI protocol.

8. The noise monitoring voice prompt system of claim 1, wherein the signal conditioning module of the slave machine adopts an NE5532 amplifier to convert millivolt signals of the sound sensor into volt signals.

9. The noise monitoring voice prompt system according to claim 1, wherein the sound sensor is an electret microphone.

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