CN207037396U - An environment remote monitoring system based on Internet of Things technology - Google Patents

Abstract

A kind of PM2.5 remote monitoring systems and its application method based on technology of Internet of things, including MCU microprocessors, laser dust sensor are the utility model is related to, WiFi communication module, light-coupled isolation relay, internet of things equipment cloud platform, LCDs and intelligent terminal.Described laser dust sensor, LCDs and light-coupled isolation relay is connected with MCU microprocessors, MCU microprocessors are connected with WiFi communication module, WiFi communication module is connected by internet with equipment cloud platform, and light-coupled isolation relay is also connected with corresponding electric appliance.By this monitoring system, user can observe directly the parameter collected on liquid crystal display or check that simultaneously transmitting order to lower levels control corresponding electric appliance works using intelligent terminal.The utility model data and uploads to high in the clouds needed for continuously can quickly and accurately collecting, and user can check data in intelligent terminal in real time and issue work order to corresponding electric appliance, allows corresponding electric appliance energization work, so as to reach the purpose of wisdom environment.

Description

An environment remote monitoring system based on Internet of Things technology

technical field

The utility model relates to an environment remote monitoring system, which belongs to the technical field of environment monitoring and Internet of Things.

Background technique

In recent years, the issue of smog has frequently hit the headlines and become a hot topic of concern. Smog is an environmental problem that cannot be ignored in China at present. It is reported that the area affected by smog weather in my country this year accounts for about 1/4 of the country's land area, and the number of people affected is about 600 million. The economic losses and impact on health caused by it are difficult to estimate. How to accurately monitor PM2.5 plays an important role in protecting human health. Most of the PM2.5 monitors sold in the market in my country at this stage are hand-held instruments, all of which require manual operation, and the price of the instruments is high, so they cannot be widely promoted among ordinary people. Moreover, the instrument generally only has a detection function, and the function is single.

Utility model content

In order to overcome the deficiencies of the above-mentioned prior art, the utility model provides a PM2.5 remote monitoring system based on Internet of Things technology.

The technical scheme adopted by the utility model is: a PM2.5 remote monitoring system based on Internet of Things technology, including MCU microprocessor, laser dust sensor, WiFi communication module, optocoupler isolation relay, Internet of Things equipment cloud platform, liquid crystal display screen and smart terminal. The laser dust sensor and the optocoupler isolation relay are connected to the MCU microprocessor, the MCU microprocessor is connected to the WiFi communication module, the WiFi communication module is connected to the device cloud platform through the Internet, and the optocoupler isolation relay is also connected to the corresponding electrical appliances.

The model of the preferred MCU microprocessor of the utility model is STM32F103CBT6, and the reason for using this MCU is that this MCU has fast calculation speed and supports multiple communication protocols.

The model of the preferred laser dust sensor of the utility model is the DSL-03 laser dust sensor. The reason for using this sensor is that the sensor has high precision, small package, simple operation and low price.

The model of the preferred WiFi communication module of the present invention is ESP826-01. The reason for using this communication module is that the WiFi communication module has small package, simple operation and low price.

The model of the preferred WiFi communication module of the present invention is ESP8266-01. The reason for using this communication module is that the WiFi communication module has small package, simple operation and low price.

The preferred device cloud platform of the utility model is the China Mobile ONENET cloud platform. The reason for using the device cloud platform is that the device cloud platform is free, easy to operate, and can quickly generate applications.

Among them, pin 1 and pin 2 of the DSL-03 laser dust sensor are respectively connected to the power ground of the STM32F103CBT6 microcontroller and the 5V power supply, pin 3 and pin 4 are respectively connected to the PA10 and PA9 pins of the STM32F103CBT6 microcontroller, and pin 5 and Pin six is left floating. The TXD and RXD pins of ESP826-01 are respectively connected to PA3 and PA2 of STM32F103CBT6 microcontroller. The trigger pin of the optocoupler isolation relay is connected to PA0 of the STM32F103CBT6 microcontroller.

A method of using a PM2.5 remote monitoring system based on Internet of Things technology:

1) Start the entire monitoring system and wait for the system to connect to the WiFi signal to establish a connection with the device cloud platform.

2) After the connection is established, the single-chip microcomputer controls the PM2.5 sensor to start working, and the PM2.5 sensor located at the collection point starts to collect the PM2.5 concentration and transmits it to the STM32F103CBT6 single-chip microcomputer through the serial port.

3) After the microcontroller receives the data, process the data collected in step (2) and convert it into a concentration value, display the concentration value on the local OLED LCD screen, and transmit it to the ESP8266-01WiFi module through the serial port communication and upload it to the device through the EDP protocol cloud platform.

4) According to their own needs, the user can view the collected data on the LCD screen or the smart terminal, and can issue commands on the smart terminal to close the normally open contacts of the relay, so that electrical appliances (such as exhaust fans) can be energized and work.

The beneficial effects of the utility model invention are:

(1) Add the Internet of Things technology to the PM2.5 collection system, connect the PM2.5 collection system to the device cloud platform, and remotely view the data collected by the system and issue control instructions.

(2) The device cloud platform used is free and easy to access, which saves a lot of development and construction work, and the system cost is cheap and easy to promote.

Description of drawings

Fig. 1 is the system configuration diagram of the utility model invention.

detailed description

In conjunction with the accompanying drawings, the utility model is further described through specific embodiments, but is not limited thereto.

Example 1:

A method of using a PM2.5 remote monitoring system based on Internet of Things technology:

1) Start the entire monitoring system and wait for the system to connect to the WiFi signal to establish a connection with the device cloud platform.

2) After the connection is established, the single-chip microcomputer controls the PM2.5 sensor to start working, and the PM2.5 sensor located at the bedroom collection point starts to collect the PM2.5 concentration, and transmits the collected data to the STM32F103CBT6 single-chip microcomputer through the serial port.

3) After the MCU receives the data, process the data collected in step (2) and convert it into a concentration value, display the concentration value on the local OLED LCD screen, and transmit it to the ESP8266-01WiFi module through the serial port communication to upload to the device through the EDP protocol cloud platform.

4) According to their own needs, the user can view the collected PM2.5 data in the bedroom on the LCD screen or the smart terminal, and can issue commands on the smart terminal to close the normally open contacts of the relay, so that the bedroom ventilation fan can be energized to work.

Claims (8)

1. a kind of PM2.5 remote monitoring systems based on technology of Internet of things, it is characterised in that including MCU microprocessors（1）, swash Light dust sensor（2）, WiFi communication module（3）, light-coupled isolation relay（4）, internet of things equipment cloud platform（5）, liquid crystal Display screen（6）And intelligent terminal（7）；Described laser dust sensor（2）, LCDs（6）With light-coupled isolation relay（4） With MCU microprocessors（1）It is connected, MCU microprocessors（1）With WiFi communication module（3）It is connected, WiFi communication module（3）Pass through Internet and equipment cloud platform（5）It is connected, light-coupled isolation relay（4）Also with corresponding electric appliance（8）It is connected.

A kind of 2. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 1, it is characterised in that institute The MCU microprocessors stated（1）Model STM32F103CBT6.

A kind of 3. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 2, it is characterised in that institute The laser dust sensor model number stated is DSL-03 laser dust sensors（2）.

A kind of 4. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 3, it is characterised in that institute The WiFi communication module stated（3）Model ESP8266-01.

A kind of 5. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 4, it is characterised in that institute The light-coupled isolation relay stated（4）Triggering mode be high level triggering；The normally opened contact access electrical equipment of light-coupled isolation relay （8）Electric power loop in.

A kind of 6. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 5, it is characterised in that institute The equipment cloud platform stated（5）For middle mobile ONENET cloud platforms.

A kind of 7. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 6, it is characterised in that institute The LCDs stated（6）For 0.96 cun of OLED display screen.

A kind of 8. PM2.5 remote monitoring systems based on technology of Internet of things according to claim 7, it is characterised in that institute The intelligent terminal stated（7）For cell phone application or page end application, user（9）Intelligent terminal can be passed through（7）PM2.5 is carried out long-range Monitoring.