CN104570160A - Air environment monitoring instrument based on smart phone - Google Patents

Abstract

The invention relates to an air environment monitoring instrument based on a smart phone, the air environment monitoring instrument based on the smart phone comprises an air environment monitoring main body and a smart phone installed with internet applications, a signal chip computer main controller, a temperature and humidity sensor, an optical sensor, a dust sensor and a signal line of a liquid crystal display of the air environment monitoring main body are all connected to a signal terminal of a sensor expansion board, circuits of a power switch, a fan and a power module are connected to a power terminal of the sensor expansion board, a Bluetooth communication module is arranged on a serial socket of the sensor expansion board; the internet applications adopt a human-computer interaction interface and comprise a data display function, a data analysis function and a communicating function. The air environment monitoring instrument based on the smart phone comprises the steps that firstly, air environment data are being monitored in real time and locally through the environment monitoring main body, secondly, the data are transmitted to the smart phone through the Bluetooth communication module arranged between the environment monitoring main body and the smart phone, finally, the data are being analyzed and displayed through the smart phone applications, and then the life of people and the travel plan can be suggested and guided.

Description

Smartphone-based air environment monitor

technical field

The invention relates to an air environment monitoring instrument, in particular to an air environment monitoring instrument based on a smart phone.

Background technique

With the increasing air pollution, in order to seek a healthy living environment, people need to obtain the quality of the surrounding air environment in time, monitor the air environment parameters in real time, and then put forward corresponding suggestions for life and travel. At present, professional air environment monitors on the market are expensive, not easy to carry, and cannot be combined with smart phone applications; in addition, with the advent of the mobile Internet era, people generally own smart phones, although people can obtain them from the Internet through mobile phones Related air environment data, but this method has certain limitations, it cannot directly and accurately obtain local real-time air environment data. Therefore, this brings a good application prospect to the smart phone-based air environment monitor.

Contents of the invention

The technical problem to be solved by the present invention is to provide a smart phone-based air environment monitor, which can detect local real-time air environment data: temperature, humidity, illuminance and PM2. It is transmitted to the smart phone through the communication control system, and then the data is analyzed through the mobile phone, and then suggestions are made for people's life and travel plans, so as to reduce the harm of the adverse environment to the health. This monitor is cheap, easy to carry, and easy to use. It can be widely used in people's daily life.

Air environment monitor based on smart phone, it comprises air environment monitor main body and the smart phone that application software is installed, the single-chip microcomputer main controller of described air environment monitor main body, temperature and humidity sensor, light sensor, dust sensor and liquid crystal screen The signal lines of the sensor expansion board are all connected to the signal terminals of the sensor expansion board, the lines of the power switch, fan and power supply module are connected to the power terminal of the sensor expansion board, and the Bluetooth communication module is installed on the serial port socket of the sensor expansion board. The main body of the instrument is installed in the casing cover and the casing of the monitoring instrument. The Bluetooth communication module and the intelligent receiving end are connected by Bluetooth communication. The application software adopts a human-computer interaction interface including data display, data analysis and communication functions.

The single-chip main controller adopts Arduino single-chip controller, and the sensor expansion board adopts Arduino sensor expansion board.

The temperature and humidity sensor adopts DHT22 digital temperature and humidity sensor.

The light sensor adopts LX1972 ambient light sensor.

The dust sensor adopts GP2Y1010AU0F dust sensor.

The LCD screen adopts a 1602 LCD screen.

The power module adopts a rechargeable 7.4V lithium battery, and the power switch adopts a toggle switch.

The dust sensor is installed on the bottom plate of the outer casing, and a circular hole is opened in the bottom plate below the air hole of the dust sensor.

The fan is installed on the upper surface of the casing cover, and a fan port is arranged above it.

The present invention has following beneficial effect:

The present invention adopts the above-mentioned design, first monitors the air environment data in real time on the spot through the main body of the environmental monitor; then transmits the data to the smartphone through the Bluetooth communication module between the two; finally analyzes and displays the data through the smartphone software, and then Suggestions and guidance on people's lives and travel plans. The detector is cheap, easy to carry and easy to use, and can be widely used in people's daily life.

The above-mentioned single-chip main controller adopts Arduino single-chip controller, and the sensor expansion board adopts Arduino sensor expansion board. By installing various sensors on the sensor expansion board, the air environment parameters can be detected.

The above-mentioned temperature and humidity sensor adopts DHT22 digital temperature and humidity sensor, which is used to analyze and collect the temperature and humidity data in the environment.

The light sensor mentioned above adopts the LX1972 ambient light sensor, which is used to analyze and collect the light data in the environment.

The above dust sensor adopts GP2Y1010AU0F dust sensor, which is used to analyze and collect the data of dust and PM2.5 in the air environment.

The above-mentioned LCD screen adopts a 1602 LCD screen, which is used to display the air environment data collected through sensors, so that people can get a general understanding of the air environment data.

The above-mentioned power module adopts a rechargeable 7.4V lithium battery for providing electric energy to the main body of the detector, and the power switch adopts a toggle switch for on-off control of the power supply of the main body of the detector.

The above-mentioned dust sensor is installed on the bottom plate of the outer shell, and a circular hole is opened in the bottom plate below the air hole of the dust sensor, so as to realize the convection of the air entering the dust sensor, so that the collection of environmental data is more accurate.

The above-mentioned fan is installed on the upper surface of the shell cover, and a fan port is arranged above it, which is used to send air into the main body of the detector, so as to facilitate the data monitoring and analysis of each sensor.

The above-mentioned bluetooth communication module can transmit the data monitored by the main body of the detector to the receiving end of the smart phone.

The above-mentioned smart phone receiving end can receive the data transmitted by the main body of the detector, and can display and analyze the air environment data.

Description of drawings

The present invention will be further described below in conjunction with drawings and embodiments.

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of the reverse structure of the housing cover of the main body of the air environment detector of the present invention.

Fig. 3 is a schematic diagram of the front structure of the outer casing of the main body of the air environment detector of the present invention.

Fig. 4 is a flow chart of the steps of the method of use of the present invention.

In the figure: power switch 1, fan 2, DHT22 digital temperature and humidity sensor 3, LX1972 ambient light sensor 4, housing cover 5, housing body 6, power module 7, Bluetooth communication module 8, GP2Y1010AU0F dust sensor 9, Arduino microcontroller controller 10 , Arduino sensor expansion board 11, 1602 LCD screen 12.

Detailed ways

Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

The implementation method of the present invention relates to a kind of air environment monitor based on smart phone, as shown in Figure 1, it comprises the smart phone that air environment monitor main body and application software are installed, the single-chip microcomputer main control of described air environment monitor main body The signal lines of the sensor, temperature and humidity sensor, light sensor, dust sensor and LCD screen are all connected to the signal terminal of the sensor expansion board, the power switch, fan and power supply module are connected to the power terminal of the sensor expansion board, and the Bluetooth communication module It is installed on the serial port socket of the sensor expansion board; the application software adopts a human-computer interaction interface and includes data display, data analysis and communication functions.

As shown in Figure 2, the power switch 1 is set on the top of the housing cover 5, using a toggle switch, the DHT22 digital temperature and humidity sensor 3, the LX1972 ambient light sensor 4 and the fan 2 are all installed on the upper surface of the housing cover 5, Ventilation holes for the fan 2 and a see-through window for the 1602 liquid crystal screen 12 are processed on the housing cover 5 .

As shown in Figure 3, Arduino sensor expansion board 11, 1602 liquid crystal screen 12 and power supply module 7 are all installed on the base plate of outer shell 6, bluetooth communication module 8, GP2Y1010AU0F dust sensor 9 and Arduino single-chip microcomputer controller 10 are all installed on the Arduino sensor On the signal serial port of the expansion board 11, a round hole is provided in the bottom plate below the through hole of the GP2Y1010AU0F dust sensor 9, and the air is sucked into the box by the fan 2 to fully contact the sensor and form air convection.

As shown in Figure 4, the specific working process of the present invention is to turn on the bluetooth of the mobile phone and the corresponding APP application software, and then connect the mobile phone and the main body of the monitor through the Bluetooth function. The data is analyzed, and finally the collected parameters are displayed and analyzed through the mobile phone, the environmental conditions are evaluated, and suggestions are made for people's life and travel.

The concrete operating principle of device of the present invention is:

Start the main switch of the air environment detector, and some symbols and numbers will be displayed on the 1602 LCD screen. The temperature is represented by T, the humidity is represented by H, the concentration of fine particles is represented by PM2.5, and the light intensity is represented by P; at this time, it is installed on the Arduino sensor The DHT22 digital temperature and humidity sensor on the expansion board, the LX1972 ambient light sensor 4GP2Y1010AU0F dust sensor and the Arduino single-chip controller start to work, collect and analyze various data parameters in the air environment, and display the parameters on the 1602 LCD screen.

Turn on the Bluetooth function on the mobile phone and the corresponding APP application software, and start the online function, enter the online page, select the name of the Bluetooth module on the main body of the air environment detector, and after the Bluetooth connection of the smart phone is successful, it will return to the main page, and the upper part of the main interface will be Graphical symbols, text data and decorative lines are used to express air environment information in a friendly and intuitive manner. The analysis of the current air environment information by the smartphone will be displayed at the bottom of the main interface, and appropriate tips will be displayed in the form of a dialog box to advise and guide people's lives. And travel, after use, close the APP application software.

Claims (9)

1. based on the air environment monitoring instrument of smart mobile phone, it is characterized in that: it comprises air environment monitoring instrument main body and is provided with the smart mobile phone of application software, the single-chip microcomputer master controller of described air environment monitoring instrument main body, Temperature Humidity Sensor, optical sensor, the signal wire of dust sensor and liquid crystal display is all connected on the signal terminal of sensor expansion board, power switch, the connection of fan and power module is on the power supply terminal of sensor expansion board, bluetooth communication is installed on the serial ports socket of sensor expansion board, whole air environment monitoring instrument main body is arranged in monitor casing cover and shell body, realize bluetooth communication between described bluetooth communication with intelligent receiving terminal to be connected, described application software adopts human-computer interaction interface to comprise data display, data analysis and communication function.

2. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described single-chip microcomputer master controller adopts Arduino singlechip controller, and sensor expansion board adopts Arduino sensor expansion board.

3. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described Temperature Humidity Sensor adopts DHT22 digital hygro sensor.

4. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described optical sensor adopts LX1972 ambient light sensor.

5. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described dust sensor adopts GP2Y1010AU0F dust sensor.

6. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described liquid crystal display adopts 1602 liquid crystal displays.

7. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described power module adopts chargeable 7.4V lithium battery, and described power switch adopts tumbler switch.

8. according to claim 1 or 5 based on the air environment monitoring instrument of smart mobile phone, it is characterized in that: described dust sensor is arranged on the base plate of shell body, and have circular hole in base plate below dust sensor air hole.

9. the air environment monitoring instrument based on smart mobile phone according to claim 1, is characterized in that: described fan is arranged on casing cover upper surface, is provided with fan mouth above it.