CN106442241A - Air PM value detecting device and method based on GSM wireless transmission - Google Patents

Air PM value detecting device and method based on GSM wireless transmission Download PDF

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Publication number
CN106442241A
CN106442241A CN201610810835.2A CN201610810835A CN106442241A CN 106442241 A CN106442241 A CN 106442241A CN 201610810835 A CN201610810835 A CN 201610810835A CN 106442241 A CN106442241 A CN 106442241A
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CN
China
Prior art keywords
air
communication module
chip microcomputer
gsm communication
mobile phone
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Pending
Application number
CN201610810835.2A
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Chinese (zh)
Inventor
程建华
刘萍
陈岱岱
于天琦
刘柱
费再慧
于东伟
蒋国桉
董楠楠
董铭涛
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Harbin Engineering University
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Harbin Engineering University
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Priority to CN201610810835.2A priority Critical patent/CN106442241A/en
Publication of CN106442241A publication Critical patent/CN106442241A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/06Investigating concentration of particle suspensions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12Messaging; Mailboxes; Announcements
    • H04W4/14Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]

Abstract

The invention relates to the field of environment air quality monitoring, in particular to an air PM2.5 detecting device and method based on GSM wireless transmission. The PM2.5 detecting device based on GSM wireless transmission comprises a PM2.5 detecting module, a single-chip microcomputer minimum system module, a GSM communication module and a mobile phone display terminal. According to the PM2.5 detecting device based on GSM wireless transmission, the operation of inquiring the current air PM2.5 concentration value is easy and convenient, all-time remote inquiring of the air PM2.5 concentration value can be achieved simply by sending inquiring short messages to the GSM communication module with an SIM card in the device, and data transmission is fast and accurate.

Description

A kind of air PM value detection device based on gsm wireless transmission and its detection method
Technical field
The present invention relates to environmental air quality monitoring field, particularly a kind of air PM value inspection based on gsm wireless transmission Survey device and its detection method.
Background technology
In recent years, the requirement to living standard for the people has been not limited solely to the aspects such as clothing, food, lodging and transportion -- basic necessities of life, living environment Quality is increasingly paid close attention to by people, for example PM2.5 content, air quality, humiture etc., by detecting ambient condition, and in time Issue bad environmental information, the various diseases leading to because air condition is not good can be prevented.With modern society's industrialization, work Factory gets more and more, global warming, and worse and worse, the therefore detection to air PM2.5 content has become as ring to air quality One important step of border state-detection, is also a urgent problem.Based on this, design a kind of air PM2.5 content Detection means is used for obtaining environmental information, real-time monitoring air quality, and can be properly protected in advance measure according to air quality. Therefore, carry out air PM2.5 concentration value detection method and its research of device is significant.
Suzhou Fu Laixi intelligence Science and Technology Ltd. Li Hong magnitude people, is all the dust sensor of PPD42NJ with 2 models As air PM2.5 content detection element, row data communication is entered using WIFI module, has invented a kind of high accuracy PM2.5 Detection means, the data that 2 dust sensors are collected is sent to and obtains in current environment after single-chip microcomputer is processed PM2.5 concentration value, and server (Li Hongxing, Zhu Xuehua are sent to by WIFI device《A kind of detection of high accuracy PM2.5 Device》, patent of invention, in September, 2014).But the method is carried out data transmission using WIFI network, largely limit The transmission range of data.In addition, can be affected by spatial obstacle thing using WIFI wireless network transmissions data, can contract further Short transmission distance simultaneously affects data transmission quality.A kind of therefore air PM2.5 content transmission based on GSM network of present invention design Method, long transmission distance, signal stabilization, easy and simple to handle and improve operating efficiency, further, since GSM network cover very wide General, greatly improve the applicability of this invention, it is possible to achieve the remote real time monitoring to ambient air quality.Additionally, this Bright also have ambient air quality automatic early-warning function, exceedes threshold set in advance when device detects air PM2.5 concentration value During value, present air PM2.5 concentration value is sent from trend mobile phone display terminal with short message form, people carry according to SMS alarm Show the preparation that can properly protect in time.
Content of the invention
It is an object of the invention to provide a kind of realize air PM value concentration over-standard is carried out with the realization of automatic alarm simultaneously The PM2.5 detection means of remote real-time query.
The present invention also aims to providing a kind of air PM value detection method based on gsm wireless transmission.
A kind of PM value detection device based on gsm wireless transmission, including PM2.5 detection module, single-chip minimum system mould Block, gsm communication module, mobile phone display terminal four part.Dust sensor detection in the air PM2.5 in PM2.5 detection module Concentration, and analog voltage corresponding with the air PM2.5 concentration is inputed to single-chip microcomputer, single-chip microcomputer passes through serial ports and gsm communication Module is connected, and gsm communication module realizes radio communication by GSM network and mobile phone display terminal.When using mobile phone to gsm communication When module sends short message enquiry breath, single-chip microcomputer can control gsm communication module by the PM2.5 concentration value when pre-test with short message shape Formula is sent to mobile phone display terminal.
Realize the PM value detection device based on gsm wireless transmission and method comprises the following steps:
Step one:The corresponding relation of PM2.5 concentration value and air quality separate index number and PM2.5 air quality in setting air Early warning value;Parameter setting is carried out to single-chip minimum system module and gsm communication module, gsm communication module is transmitted and received note The form of breath is arranged to TEXT pattern;The phone number of mobile phone display terminal is write single-chip microcomputer by the form of program code In;
Step 2:Dust sensor in PM2.5 detection module carries out Real-time Collection to the PM2.5 concentration value of in the air, Analog voltage signal corresponding with PM2.5 concentration value is transmitted to single-chip minimum system module, by single-chip microcomputer to the mould recording Intend voltage to be changed and resolved the PM2.5 concentration value obtaining in the air, supply people to inquire about at any time;
Step 3:Single-chip microcomputer can be sentenced to resolving the PM2.5 concentration value obtaining in step 2 and carrying out air quality early warning first Disconnected, if exceeding PM2.5 concentration alarm threshold value set in advance in step one, single-chip microcomputer can send AT instruction to gsm communication module Carry out on-line operation, then control gsm communication module to send out resolving the PM2.5 concentration value obtaining in step 2 with short message form Deliver to mobile phone display terminal, realize air quality alarm function;
Step 4:Staff utilizes mobile phone message editor " chaxun " and is sent to gsm communication module, gsm communication Module after receiving " chaxun " short message, this character string is sent in single-chip microcomputer, and single-chip microcomputer is current as inquiry using this character string The foundation of air PM2.5 concentration value;
Step 5:Single-chip microcomputer is identified to short message enquiry breath " chaxun " character string receiving in step 4 and judges Afterwards, single-chip minimum system module controls gsm communication module will to resolve the air PM2.5 concentration value obtaining in step 2 with note Breath form sends to mobile phone display terminal.
The beneficial effects of the present invention is:
(1) the PM2.5 detection means based on gsm wireless transmission, inquiry present air PM2.5 concentration value is easy and simple to handle, only Need in device equipped with SIM gsm communication module send short message enquiry breath enable complete to air PM2.5 concentration value It when, remote inquiry, data transfer is fast and accurately.
(2) when in the air PM2.5 concentration value exceedes alarm threshold value set in advance, device can show eventually from trend mobile phone End sends present air PM2.5 concentration value with short message form, realizes auto-alarm function, reminds people's current air mass relatively Difference the measure that properly protects in time.
Brief description
PM2.5 detection means and Method And Principle block diagram that Fig. 1 is transmitted based on gsm wireless;
PM2.5 detection means and method flow diagram that Fig. 2 is transmitted based on gsm wireless.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described further.
The present invention relates to a kind of PM value detection device based on gsm wireless transmission and method, described PM2.5 detection means bag Include PM2.5 detection module, single-chip minimum system module, gsm communication module, mobile phone display terminal four part.PM2.5 detects mould In block dust sensor detection in the air PM2.5 concentration, and will analog voltage corresponding with the air PM2.5 concentration transmit to Single-chip microcomputer, single-chip microcomputer is connected with gsm communication module by serial ports, and it is real with mobile phone display terminal that gsm communication module passes through GSM network Existing radio communication.When sending short message enquiry breath using mobile phone to gsm communication module, single-chip microcomputer can control gsm communication module to incite somebody to action When the PM2.5 concentration value of pre-test is sent to mobile phone display terminal with short message form.When dust sensor, PM2.5 is detected dense After degree exceedes threshold value set in advance, current PM2.5 concentration value is sent by Single-chip Controlling gsm communication module with short message form To mobile phone display terminal, carry out air quality early warning.Present invention achieves to the round-the-clock of air PM2.5 value, long-range monitoring and Inquiry.
As shown in figure 1, a kind of PM2.5 concentration detection apparatus based on gsm wireless transmission and method, whole system by PM2.5 detection module, single-chip minimum system module, gsm communication module, mobile phone display terminal four part composition.PM2.5 detects The analog voltage signal of measurement is transmitted and carries out data calculation and storage to single-chip minimum system module by module;Single-chip microcomputer is minimum System module is connected with gsm communication module by serial line interface and realizes two-way communication;Gsm communication module with equipped with fixed number China Mobile's SIM is connected and logins GSM network;Mobile phone display terminal is double by the GSM network realization that is connected with gsm communication module To communication.
Dust sensor model PMS5003 selected by PM2.5 detection means based on gsm wireless transmission, is an amount of money The general particle concentration sensor of word formula.
As shown in figure 1, of the present invention comprised the following steps based on the PM2.5 detection method of gsm wireless transmission:
Step one:Carry out parameter setting firstly the need of to single-chip minimum system module and gsm communication module, for convenience of aobvious Show PM2.5 concentration value and reduce coding code difficulty, the form that gsm communication module is sent short message is arranged to TEXT lattice Formula, makes gsm communication module show by TEXT said shank and send note;Then the phone number of mobile phone display terminal is passed through In coding code write single-chip microcomputer, gsm communication module is controlled to send present air PM2.5 to the mobile phone display terminal of people Concentration value information;Setting air PM2.5 concentration alarm threshold value, is write in single-chip microcomputer by coding code;For the system The PM2.5 concentration value scope that can measure, formulates air quality separate index number and corresponding in the air PM2.5 concentration value form, such as Shown in following table:
Air quality level and corresponding in the air PM2.5 concentration value
Step 2:After system electrification work, dust sensor in the PM2.5 detection module PM2.5 concentration in the air Value carries out Real-time Collection, and analog voltage signal corresponding with PM2.5 concentration value is transmitted to single-chip minimum system module, by list Piece machine is changed to the analog voltage recording and is resolved the PM2.5 concentration value obtaining in the air, supplies people to inquire about at any time.
Step 3:Single-chip microcomputer can be sentenced to resolving the PM2.5 concentration value obtaining in step 2 and carrying out air quality early warning first Disconnected;From air quality separate index number and corresponding in the air PM2.5 concentration value form:When PM2.5 detection module is measured currently Air PM2.5 concentration value is more than 150 μ g/m3Less than 250 μ g/m3When, single-chip microcomputer can send AT instruction to gsm communication module to be carried out On-line operation, then controls gsm communication module will to resolve the present air PM2.5 concentration value obtaining and " currently sky in step 2 Makings amount is:Unhealthy to sensitive group " sentence is sent to mobile phone display terminal with short message form, realizes air quality alarm Function;When PM2.5 detection module measures present air PM2.5 concentration value more than 250 μ g/m3Less than 350 μ g/m3When, single-chip microcomputer control Gsm communication module processed will resolve the present air PM2.5 concentration value obtaining and " current air mass is in step 2:Unhealthy " Sentence is sent to mobile phone display terminal with short message form, reminds people's present air PM2.5 concentration higher air quality in time Poor;When PM2.5 detection module measures present air PM2.5 concentration value more than 500 μ g/m3When, Single-chip Controlling gsm communication mould Block will resolve the present air PM2.5 concentration value obtaining and " current air mass is in step 2:Toxic " sentence is with note Breath form is sent to mobile phone display terminal, reminds people to properly protect measure reduce outgoing;Air quality warning function will have Beneficial to the monitor in real time to air PM2.5 information for the people, properly protect measure in time.
Step 4:Gsm communication module is connected with the SIM equipped with fixing phone number and logins GSM network, it is possible to achieve Transmitting-receiving short message, the function of answering and call;Staff utilizes mobile phone message editor " chaxun " and is sent to GSM Communication module, gsm communication module after receiving " chaxun " short message, this character string is sent in single-chip microcomputer, and single-chip microcomputer is by this word Symbol string is as the foundation of inquiry present air PM2.5 concentration value;
Step 5:Short message enquiry breath " chaxun " character string that single-chip microcomputer receives to gsm communication module in step 4 is entered Row identification and judgement, when the character that single-chip microcomputer identifies in order caching register is " chaxun ", then judge behaviour now Making purpose is inquiry present air PM2.5 concentration value and Air Quality;Single-chip minimum system module controls gsm communication mould Block is sent resolving the air PM2.5 concentration value obtaining in step 2 to mobile phone display terminal with short message form.
It should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.In addition, it is to be understood that After having read the content of present invention instruction, those skilled in the art can make various changes or modifications to the present invention, these The equivalent form of value equally falls within the application appended claims limited range.

Claims (2)

1. a kind of air PM2.5 detection means based on gsm wireless transmission it is characterised in that:Including PM2.5 detection module, list Piece machine minimum systematic module, gsm communication module, mobile phone display terminal four part;Dust sensor inspection in PM2.5 detection module Survey in the air PM2.5 concentration, and analog voltage corresponding with the air PM2.5 concentration is inputed to single-chip microcomputer, single-chip microcomputer passes through Serial ports is connected with gsm communication module, and gsm communication module realizes radio communication by GSM network and mobile phone display terminal;Work as utilization Mobile phone to gsm communication module send short message enquiry breath when, single-chip microcomputer can control the gsm communication module will be dense for the PM2.5 when pre-test Angle value is sent to mobile phone display terminal with short message form.
2. a kind of air PM2.5 detection method based on gsm wireless transmission according to claim 1 is it is characterised in that wrap Include following step:
(1) corresponding relation of PM2.5 concentration value and air quality separate index number and air PM2.5 concentration early warning value in setting air; Parameter setting is carried out to single-chip minimum system module and gsm communication module, the form that gsm communication module is received and dispatched short message sets It is set to TEXT pattern;The phone number of mobile phone display terminal is write in single-chip microcomputer by the form of program code;
(2) dust sensor in PM2.5 detection module carries out Real-time Collection to the PM2.5 concentration value of in the air, will be with PM2.5 The corresponding analog voltage signal of concentration value transmits to single-chip minimum system module, by single-chip microcomputer, the analog voltage recording is carried out Conversion obtains the PM2.5 concentration value of in the air with resolving, and supplies staff to inquire about at any time;
(3) single-chip microcomputer can carry out air quality early warning judgement to resolving the PM2.5 concentration value obtaining in step 2 first, if exceeding PM2.5 concentration alarm threshold value set in advance in step one, single-chip microcomputer sends AT instruction to gsm communication module and carries out online behaviour Make, then control gsm communication module to show resolving the PM2.5 concentration value obtaining in step 2 and be sent to mobile phone with short message form Show terminal, realize air quality alarm function;
(4) staff using mobile phone message editor chaxun and is sent to gsm communication module, and gsm communication module receives After chaxun short message, this character string is sent in single-chip microcomputer, single-chip microcomputer using this character string as inquiry present air PM2.5 The foundation of concentration value;
(5) after single-chip microcomputer is identified and judges to the short message enquiry breath chaxun character string receiving in step 4, single-chip microcomputer Minimum systematic module controls gsm communication module to send out resolving the air PM2.5 concentration value obtaining in step (2) with short message form Deliver to mobile phone display terminal.
CN201610810835.2A 2016-09-08 2016-09-08 Air PM value detecting device and method based on GSM wireless transmission Pending CN106442241A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008009403A1 (en) * 2006-07-17 2008-01-24 Biophos Ag Mobile device for particle analysis by image correlation
CN104280517A (en) * 2014-03-19 2015-01-14 黄克亚 Wireless air quality monitoring system
CN204154914U (en) * 2014-08-18 2015-02-11 兰州大学 A kind of floatable PM2.5 monitoring device based on Internet of Things
CN105203700A (en) * 2014-06-13 2015-12-30 桂林电子科技大学 Real-time early warning system for internal environment of high-voltage cable branch boxes
CN105606499A (en) * 2015-11-12 2016-05-25 南京信息工程大学 Suspended particulate matter mass concentration real-time detection device, and measuring method
CN105806505A (en) * 2016-03-23 2016-07-27 哈尔滨工程大学 GSM-based high-precision remote temperature monitoring system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008009403A1 (en) * 2006-07-17 2008-01-24 Biophos Ag Mobile device for particle analysis by image correlation
CN104280517A (en) * 2014-03-19 2015-01-14 黄克亚 Wireless air quality monitoring system
CN105203700A (en) * 2014-06-13 2015-12-30 桂林电子科技大学 Real-time early warning system for internal environment of high-voltage cable branch boxes
CN204154914U (en) * 2014-08-18 2015-02-11 兰州大学 A kind of floatable PM2.5 monitoring device based on Internet of Things
CN105606499A (en) * 2015-11-12 2016-05-25 南京信息工程大学 Suspended particulate matter mass concentration real-time detection device, and measuring method
CN105806505A (en) * 2016-03-23 2016-07-27 哈尔滨工程大学 GSM-based high-precision remote temperature monitoring system

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