CN210980264U

CN210980264U - Air quality monitoring system

Info

Publication number: CN210980264U
Application number: CN201921741608.4U
Authority: CN
Inventors: 林为; 李帅兵
Original assignee: Foshan Polytechnic
Current assignee: Foshan Polytechnic
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-07-10
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses an air quality monitoring system, which is applied to an air purifier and comprises a detection control module, a lower computer, a communication module, a cloud server and a user terminal; the detection control module comprises a single chip microcomputer and a detection sensor, the single chip microcomputer is connected with the air purifier, the detection sensor is used for detecting air quality signals and transmitting the air quality signals to the single chip microcomputer, and the single chip microcomputer controls the air purifier to be switched on and switched off according to the air quality signals and sends the air quality signals and the running state of the air purifier to the lower computer. Adopt the utility model discloses, can realize the remote control to air purifier, the user can know the air quality very conveniently, can also avoid unnecessary energy loss according to the automatic air purifier of opening of current air quality situation or closing simultaneously.

Description

Air quality monitoring system

Technical Field

The utility model relates to an air quality detects and the control field, especially relates to an air quality monitored control system.

Background

In our daily life, with the continuous progress of the economic society and science, the pursuit of people on the quality of life is higher and higher, the consumption is continuously upgraded in the aspects of clothes, eating and housing, and the like, and the self living environment is also paid attention to.

On the other hand, the problem of air pollution is more and more serious due to the rapid development of economy, especially when automobiles are in large numbers. Air pollution directly affects people's health, is closely related to people's life safety, and consequently, more and more people begin to use air purifier to purify indoor air, improves self health coefficient. Most of the existing air purifiers in the market need to be manually opened, and the air purifiers always work after being opened, unless being manually closed; when people forget to turn off, a large amount of electricity is consumed; in addition, the detected air quality cannot be remotely checked or can only be checked in the same local area network, which is inconvenient for people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an air quality monitoring system is provided, can solve current air purifier and produce a large amount of power consumption problems.

In order to solve the technical problem, the utility model provides an air quality monitoring system, which is applied to an air purifier and comprises a detection control module, a lower computer, a communication module, a cloud server and a user terminal; the detection control module comprises a single chip microcomputer and a detection sensor, the single chip microcomputer is connected with the air purifier, the detection sensor is used for detecting air quality signals and transmitting the air quality signals to the single chip microcomputer, and the single chip microcomputer controls the air purifier to be switched on and switched off according to the air quality signals and sends the air quality signals and the running state of the air purifier to the lower computer. The lower computer transmits the air quality signal and the running state of the air purifier to the cloud server through the communication module; the user terminal is in wireless communication connection with the cloud server and used for acquiring the air quality signal and the running state of the air purifier and uploading the remote control signal to the cloud server, the cloud server transmits the remote control signal to the lower computer, the lower computer transmits the remote control signal to the single chip microcomputer, and the single chip microcomputer controls the running of the air purifier according to the remote control signal.

Preferably, the communication module is an NB101 communication module.

Preferably, the lower machine is a smallest system board of STM32F407ZET 6.

Preferably, the single chip microcomputer is MEGA48 PA.

Preferably, the detection sensor comprises a dust sensor and a temperature and humidity sensor, the dust sensor is used for collecting concentration data of air PM2.5, and the temperature and humidity sensor is used for collecting temperature and humidity data of the air.

Preferably, the detection sensor further includes a TVOC sensor, a formaldehyde sensor, an ozone sensor, and a gas sensor.

Preferably, the dust sensor is GP2Y1014AU, and is used for detecting the concentration of PM2.5 in the air, and an infrared L ED and a phototransistor are arranged in the dust sensor, the infrared L ED and the phototransistor are diagonally distributed, and the single chip microcomputer provides periodic pulse voltage for the infrared L ED through a triode.

Preferably, the dust sensor is connected to an analog-to-digital conversion pin of the single chip microcomputer through a voltage dividing circuit, the voltage dividing circuit includes a first voltage dividing resistor and a second voltage dividing resistor, one end of the first voltage dividing resistor is connected to the dust sensor, the other end of the first voltage dividing resistor is connected to the analog-to-digital conversion pin of the single chip microcomputer, and the other end of the first voltage dividing resistor is grounded through the second voltage dividing resistor.

Preferably, the temperature and humidity sensor is DHT 11.

Preferably, the user terminal may be a PC terminal, a tablet terminal or a mobile phone terminal.

Implement the utility model has the advantages that:

the utility model provides an air quality monitored control system can acquire air quality signal through acquisition sensor, according to air quality signal passes through air purifier's switch can be controlled to the singlechip, when air quality signal value is less than the threshold value that the singlechip set for, then opens air purifier, otherwise does not open or close the clarifier.

The lower computer passes through NB101 communication module will air quality signal and air purifier's running state uploads to high in the clouds server, and user's accessible user terminal acquires the air quality signal and the running state of air purifier of high in the clouds server to issue command signal to high in the clouds server, the lower computer is sent to rethread NB101 module, further control air purifier's switch.

Drawings

Fig. 1 is a schematic view of an air quality monitoring system provided by the present invention;

fig. 2 is a schematic diagram of a detection control module provided by the present invention;

fig. 3 is a circuit diagram of a specific implementation of the detection control module provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the invention is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the invention.

As shown in fig. 1, the utility model provides a pair of air quality monitored control system is applied to air purifier, including detecting control module 1, next machine 2, communication module 3, high in the clouds server 4 and user terminal 5.

As shown in fig. 2, the detection control module 1 includes a single chip microcomputer 101 and a detection sensor 102, and the single chip microcomputer 101 is connected to the air purifier.

The detection sensor 102 is used for detecting an air quality signal and transmitting the air quality signal to the single chip microcomputer 101, and the single chip microcomputer 101 controls the on-off of the air purifier according to the air quality signal and sends the air quality signal and the running state of the air purifier to the lower computer 2.

The lower computer 2 transmits the air quality signal and the running state of the air purifier to the cloud server 4 through the communication module 3; user terminal 5 with high in the clouds server 4 wireless communication is connected for acquire air quality signal with air purifier's running state to reach remote control signal upload to high in the clouds server 4, high in the clouds server 4 will remote control signal transmission extremely lower computer 2, lower computer 2 will remote control signal transmission extremely singlechip 101, singlechip 101 basis remote control signal control air purifier's operation.

It is required to explain, the utility model discloses a detection control module 1 can realize avoiding unnecessary energy loss according to current air quality adjustment air purifier's running state. Specifically, the current air quality signal is acquired by the detection sensor 102 and transmitted to the single chip microcomputer 101, the single chip microcomputer 101 compares the air quality signal value with a set threshold value, and when the air quality signal value is lower than the threshold value set by the single chip microcomputer, the air purifier is turned on, otherwise, the air purifier is not turned on or turned off. The utility model discloses lower computer 2 will air quality signal and air purifier's running state passes through communication module 3 and uploads to high in the clouds server 4, and user's accessible user terminal 5 acquires the air quality signal of high in the clouds server 4 and air purifier's running state to assign instruction signal to high in the clouds server 4, and send lower computer 2 through communication module 3, transmit to singlechip 101 by lower computer 2 again, further control air purifier's switch, in order to realize remote operation, adjust air purifier's running state.

Preferably, the communication module 3 is an NB101 communication module. It should be noted that the NB101 communication module is a low power consumption communication device with a function of transmitting and receiving wireless signals, which is developed based on a remote BC95 chip module, and a telecommunication SIM card is inserted into the NB101 communication module, so that signals can be transmitted and received through a telecommunication operator base station. Compared with the traditional GSM, the NB101 communication module is adopted for data transmission, and the communication area covered by the operator base station is wide, so that the communication system can also cover places where signals of underground garages, basements, underground pipelines and the like are difficult to reach, and has the advantage of lower energy consumption.

Preferably, the lower computer 2 is a minimum system board of STM32F407ZET6, but is not limited thereto, and any component capable of realizing the above functions can be substituted.

Specifically, the single chip microcomputer 101 is MEGA48PA, but is not limited thereto, and any component capable of achieving the above functions can be substituted.

Preferably, the detection sensor 102 includes a dust sensor and a temperature and humidity sensor, the dust sensor is used for collecting air PM2.5 concentration data, and the temperature and humidity sensor is used for collecting air temperature and humidity data.

More preferably, the dust sensor is GP2Y1014 AU.

Further, the detection sensor 102 further includes a TVOC sensor, a formaldehyde sensor, an ozone sensor, and a gas sensor.

As shown in FIG. 3, the detection control module 1 is a specific implementation circuit diagram, U2 is a dust sensor module GP2Y1014AU, which is used for detecting the concentration of PM2.5 in Air, and has an infrared L ED and a phototransistor inside, and an infrared L ED is diagonally distributed with the phototransistor. the singlechip U1 provides a periodic pulse voltage to the infrared L ED inside the sensor through a triode Q1, and when PM2.5 particles in Air are irradiated by infrared light, the infrared light received by the phototransistor changes, thereby causing a change in the level of a signal output pin (pin 5), and the greater the concentration of PM2.5 in Air is, wherein the PM2.5 concentration data output by the pin 5 of the sensor U2 is sent to the pin 19 of the MEGA48PA for A/D conversion, the singlechip U PA for A/D conversion, and the singlechip U3985 outputs PD signals according to the size of the sensor U2, and when the Air Purifier is switched on, and switched off automatically, thereby the singlechip outputs a signal representing that the Air Purifier is switched on, and the singlechip U3 and the singlechip outputs a PD signal when the Air Purifier is switched off, and the Air Purifier is switched on.

Preferably, the user terminal 5 may be a PC terminal, a tablet terminal or a mobile phone terminal.

To sum up, the utility model discloses can solve the problem that exists in the prior art field, can realize the remote control to air purifier, the user can know the air quality very conveniently, and simultaneously, air purifier can also avoid unnecessary energy loss according to current air quality adjustment running state.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and decorations can be made without departing from the principle of the invention, and these modifications and decorations are also regarded as the protection scope of the present invention.

Claims

1. An air quality monitoring system is applied to an air purifier and is characterized by comprising a detection control module, a lower computer, a communication module, a cloud server and a user terminal;

the detection control module comprises a single chip microcomputer and a detection sensor, the single chip microcomputer is connected with the air purifier, the detection sensor is used for detecting an air quality signal and transmitting the air quality signal to the single chip microcomputer, and the single chip microcomputer controls the air purifier to be switched on and off according to the air quality signal and sends the air quality signal and the running state of the air purifier to a lower computer;

the lower computer transmits the air quality signal and the running state of the air purifier to the cloud server through the communication module;

the user terminal is in wireless communication connection with the cloud server and used for acquiring the air quality signal and the running state of the air purifier and uploading the remote control signal to the cloud server, the cloud server transmits the remote control signal to the lower computer, the lower computer transmits the remote control signal to the single chip microcomputer, and the single chip microcomputer controls the running of the air purifier according to the remote control signal.

2. The air quality monitoring system of claim 1, wherein the detection sensors comprise a dust sensor and a temperature and humidity sensor, the dust sensor is used for collecting PM2.5 concentration data of air, and the temperature and humidity sensor is used for collecting temperature and humidity data of air.

3. The air quality monitoring system of claim 2, wherein the dust sensor is internally provided with an infrared L ED and a phototransistor, the infrared L ED is diagonally distributed with the phototransistor, and the singlechip supplies periodic pulse voltage to the infrared L ED through a triode.

4. The air quality monitoring system according to claim 2, wherein the dust sensor is connected to an analog-to-digital conversion pin of the single chip microcomputer through a voltage dividing circuit, the voltage dividing circuit includes a first voltage dividing resistor and a second voltage dividing resistor, one end of the first voltage dividing resistor is connected to the dust sensor, and the other end of the first voltage dividing resistor is connected to the analog-to-digital conversion pin of the single chip microcomputer and is grounded through the second voltage dividing resistor.

5. The air quality monitoring system of claim 2, wherein the detection sensors further comprise a TVOC sensor, a formaldehyde sensor, an ozone sensor, and a gas sensor.

6. The air quality monitoring system of claim 1, wherein the communication module is an NB101 communication module.

7. The air quality monitoring system of claim 1 wherein the lower computer is a minimum system board of STM32F407ZET 6.

8. The air quality monitoring system of claim 1, wherein the single chip is MEGA48 PA.

9. The air quality monitoring system of claim 2, wherein the temperature and humidity sensor is DHT 11.

10. The air quality monitoring system of claim 1, wherein the user terminal is a PC terminal, a tablet terminal or a mobile phone terminal.