CN205156250U

CN205156250U - Long -range PM2. 5 aerial detection purifier based on 51 singlechip

Info

Publication number: CN205156250U
Application number: CN201520855339.XU
Authority: CN
Inventors: 任静波; 刘敏; 覃涛; 梅川; 张盟
Original assignee: Nanchang Hangkong University
Current assignee: Nanchang Hangkong University
Priority date: 2015-10-29
Filing date: 2015-10-29
Publication date: 2016-04-13
Anticipated expiration: 2025-10-29

Abstract

The utility model discloses a long -range PM2.5 aerial detection purifier based on 51 singlechip, including PM2.5 concentration monitoring module and air -purifying module, PM2.5 concentration monitoring module include sensor, MCU processing circuit and wireless signal transmitter module, the air purifier module include wireless receiving module and air purifier, its characterized in that: the MCU processing circuit is connected to the sensor, and MCU processing circuit connection wireless signal transmitter module, wireless signal transmitter module send a signal for the wireless receiving module, and air purifier is connected to the wireless receiving module. This system can detect the PM2.5 concentration in the air effectively, exceedes a certain setting value system when it and then infories the user through the GSM module, lets the subscriber selection whether open air purifier to reach remote control's mesh.

Description

A kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers

Technical field

The utility model relates to a kind of PM2.5 air purifier communicated and purify, and particularly relates to a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers.

Technical background

Along with the development of society, people's living standard progressively improves, and private car, factory also get more and more, thus causes the concentration of PM2.5 in air and increase gradually, and air pollution problems inherent is more and more subject to concern and the attention of people.Air purifier in the market does not control and remote control function mostly automatically, and this is also the reason that restriction air purifier major part comes into the market.The long-range PM2.5 air detection purifier based on 51 single-chip microcomputers of this Subject Design can make this problem be properly settled.Making people be able to the work of Long-distance Control air purifier, can fresh air be breathed when going back home.

Summary of the invention

The purpose of this utility model there are provided a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers, comprises the function of PM2.5 Concentration Testing, telecommunication, Long-distance Control, purification of air, has practicality, economy and easy to operate advantage.

Following technical scheme is adopted: a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers for realizing above object the utility model, comprise PM2.5 concentration measurement and control module and air-purifying module, described PM2.5 concentration measurement and control module comprises sensor, single-chip microcomputer treatment circuit and wireless signal transmitting module; Described air purifier module comprises wireless receiving module and air purifier; It is characterized in that: sensor connects single-chip microcomputer treatment circuit, single-chip microcomputer processing circuit module connects wireless signal transmitting module, and wireless signal transmitting module sends a signal to wireless receiving module, and wireless receiving module connects air purifier.

PM2.5 concentration monitor module described in the utility model is arranged in room to be detected, directly contacts with air, can measure the concentration of the PM2.5 in air accurately and show on LCDs.Sensor, for measuring the concentration of PM2.5 in air, judges whether to send data to customer mobile terminal by after the analysis of single-chip microcomputer treatment circuit.This part has wireless signal transmission function, without the need to drawing too much wire, decreases the consumptive material expense of this respect.

Sensor described in the utility model is PM2.5 laser sensor SDS011, and this sensor is for detecting the concentration of PM2.5 in air and directly the PM2.5 concentration detected can being converted to data signal output by physical quantity.

Single-chip microcomputer treatment circuit described in the utility model comprises STC51 series monolithic, LCDs, resistance and electric capacity, and whether the data signal acting as analyte sensors transmission of this part reaches the concentration value of setting.

Wireless signal transmitting module described in the utility model is gsm module TC35i, for sending information to user terminal.

The utility model air-purifying module is arranged on house interior to be detected, directly contacts with air; User sends the signal opening air purifier to this module by wireless terminal, thus reach the object purified air.

The utility model reception of wireless signals module is made up of S2W-M02 serial ports WIFI module and 51 single-chip microcomputer STC89LE54 and peripheral electron device, for accepting the signal that user is sent by wireless network, controls the open and close of air purifier simultaneously.

The utility model single-chip microcomputer by control relay thus reach control air purifier open object, relay circuit is made up of relay, triode and resistance, for amplifying the output signal of single-chip microcomputer.

The utility model clarifier uses the material such as centrifugal booster electric machine, HEPA composite activated carbon filter screen to be made, can PM2.5 effectively in filtered air.

The advantage of this device; This device can detect the concentration of PM2.5 in air automatically, and analyze, at PM2.5 concentration over-standard but user not around, user is informed to realize the real-time monitoring to PM2.5 with the communication of mistake gsm module, user is by wireless network Long-distance Control air purifier simultaneously, plays remote control function.This device makes simple, and advantage of lower cost, can carry out extensive use, and this device can improve the air quality of user's living environment greatly, and has remote control function, has the very large market demand.

Accompanying drawing explanation

Fig. 1 is the system principle diagram of the long-range PM2.5 detection purifier based on 51 single-chip microcomputers.

In the drawings, 1, PM2.5 concentration measurement and control module, 2, air-purifying module, 3, sensor, 4, single-chip microcomputer treatment circuit, 5, wireless signal transmitting module, 6, wireless receiving module, 7, air purifier.

Detailed description of the invention

The utility model is achieved like this, as shown in Figure 1, comprise PM2.5 concentration measurement and control module 1 and air-purifying module 2, described PM2.5 concentration measurement and control module 1 comprises sensor 3, single-chip microcomputer treatment circuit 4 and wireless signal transmitting module 5, to realize the real-time monitoring to PM2.5 concentration in air; Described air purifier module 2 comprises wireless receiving module 6 and air purifier 7, to realize analysis to PM2.5 concentration in air, Long-distance Control and purification function.It is characterized in that: sensor 3 connects single-chip microcomputer processing circuit module 4, single-chip microcomputer processing circuit module 4 connects wireless signal transmitting module 5, and wireless signal transmitting module 5 sends a signal to wireless receiving module 6, and wireless receiving module 6 connects air purifier 7.

Implementation step of the present utility model is as follows: sensor is started working, laser sensor can produce the phenomenon of faint light scattering when laser is radiated at the particle by checkout gear, and the waveform that sensor produces in particular directions is relevant with the diameter of particle, the real-time number concentration of different-grain diameter can be obtained by reduction formula, thus this physical quantity of PM2.5 CI detected is converted to the triggering level of data signal output as subsequent conditioning circuit.

After single-chip microcomputer signal processing circuit obtains signal, by the program of inside, the signal received is analyzed, judge whether the concentration monitored reaches setting value, if do not reach setting value, return and continue monitoring, reach setting value and then send note to designated user terminal by single-chip microcomputer transmission signal control wireless transmitter module (gsm module), reminding user is selected to open air purifier.

User sends signal by wireless network, reception is responsible for by wireless receiving module (WIFI module), the signal of reception processes and is converted to level signal and is sent to single-chip microcomputer by WIFI module further, and then control air purifier unlatching by Single-chip Controlling relay module, thus reach the object purified air.

System, according to above operation, can be monitored the PM2.5 concentration in air well, and discovery simultaneously can be sent short messages after exceeding standard and be notified that user selects to open air purifier and reaches the object purified air.

(1) PM2.5 detection scheme;

Main employing PM2.5 laser sensor SDS011, this laser sensor key property is the phenomenon that can produce faint light scattering when laser is radiated at the particle by checkout gear, and the waveform that sensor produces in particular directions is relevant with the diameter of particle, the real-time number concentration of different-grain diameter can be obtained by reduction formula, thus this physical quantity of PM2.5 CI detected is converted to the triggering level of data signal output as subsequent conditioning circuit.Such sensor has the advantage that data are accurate, response is quick, resolution ratio is high, and its performance well meets the requirement of device.

(2) signal transacting scheme;

The signal that input signal is divided into sensor output signal and user terminal to be sent by wireless network, sensor output signal carries circuit by sensor and completes multistage amplification to small-signal, filtering, shaping, thus obtains a level signal.

The signal that user terminal is launched by wireless network is received by S2W-M02 serial ports WIFI module, S2W-M02 serial ports WIFI is the UART-WIFI transparent transmission module of a super low-power consumption, aim at mobile device and Internet of Things application design, can the physical equipment of user be connected on WIFI wireless network by built-in ICP/IP protocol, carry out internet or local area network communication, realize network savvy.This module is mainly used in accepting the signal that user is sent by wireless network.

(3) single-chip microcomputer signal transacting scheme:

Single-chip microcomputer signal processing circuit is made up of STC51 series monolithic and peripheral circuit, the triggering signal of this module incoming level change-over circuit, the PM2.5 concentration signal that analyte sensors exports also controls the open and close of air purifier, controls the work of gsm communication module simultaneously.It is simple that STC51 series monolithic has structure, and easy to use, with low cost, be widely used, the advantages such as disposal ability is relatively strong, can meet the process of this part to signal well.

(4) purification of air segmentation scheme:

Relay module is connected with single-chip microcomputer signal processing circuit and air purifier, carries out work, thus control the work of follow-up air purifier when relay module receives the output signal of one-chip computer module.

(5) gsm communication scheme:

Gsm communication scheme mainly adopts this module of gsm module TC35I-GSM(can manual designated user, can send SMS information to designated user when triggering this module or dial subscriber phone), it has the function sending SMS messaging.Receive the service request of service centre at gsm module after, send the early warning information of PM2.5 concentration over-standard to designated user, prompting user opens air purifier.The effect of this module is PM2.5 concentration under the present circumstances when reaching setting value, sends early warning information, complete the function of monitoring PM2.5 in real time to designated user.

Claims

1. based on a long-range PM2.5 air detection purifier for 51 single-chip microcomputers, comprise PM2.5 concentration measurement and control module and air-purifying module, described PM2.5 concentration measurement and control module comprises sensor, single-chip microcomputer treatment circuit and wireless signal transmitting module; Described air purifier module comprises wireless receiving module and air purifier; It is characterized in that: sensor connects single-chip microcomputer treatment circuit, single-chip microcomputer treatment circuit connects wireless signal transmitting module, and wireless signal transmitting module sends a signal to wireless receiving module, and wireless receiving module connects air purifier.

2. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described PM2.5 concentration monitor module is arranged in room to be detected.

3. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described sensor is PM2.5 laser sensor SDS011.

4. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described single-chip microcomputer treatment circuit comprises STC51 series monolithic, LCDs, resistance and electric capacity.

5. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described wireless signal transmitting module is gsm module TC35i.

6. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described air-purifying module is arranged on house interior to be detected.

7. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described reception of wireless signals module is made up of S2W-M02 serial ports WIFI module and peripheral electron device thereof.

8. a kind of long-range PM2.5 air detection purifier based on 51 single-chip microcomputers according to claim 1, is characterized in that: described air-purifying module uses centrifugal booster electric machine, HEPA composite activated carbon screen material is made.