CN107132163A - A kind of haze detector with gas sensor array - Google Patents
A kind of haze detector with gas sensor array Download PDFInfo
- Publication number
- CN107132163A CN107132163A CN201610111274.7A CN201610111274A CN107132163A CN 107132163 A CN107132163 A CN 107132163A CN 201610111274 A CN201610111274 A CN 201610111274A CN 107132163 A CN107132163 A CN 107132163A
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- module
- haze
- monitoring
- main board
- gas sensor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/048—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance for determining moisture content of the material
Abstract
The invention discloses a kind of haze detector with gas sensor array, it mainly includes body, antenna and PCB main board, PCB main board is by embedded intelligence processor module, haze (PM2.5) monitoring modular, temperature-humidity monitoring module, operation keyboard module, liquid crystal display module, long distance wireless data transmission blocks, power module is constituted；It solves the shortcoming that traditional environment monitoring device is expensive, inconvenient for use, popularity rate is not high, product can not be promoted；Generally applicable various surrounding enviroment monitorings are used, and the environmental monitoring of the small range such as particularly suitable all kinds of farms, campus, cell, hospital is used.
Description
Technical field
The present invention relates to a kind of haze monitor, more particularly to a kind of haze detector with gas sensor array.
Background technology
The environmental problems such as haze, environmental pollution, global air temperature warming are increasingly paid close attention to by people；Equipment at present to environmental monitoring is relatively more, but is all the large-scale monitoring device that government weather department uses, not only expensive, and operation is also very inconvenient, and only very professional personnel can use；Therefore, although people are very high to the degree of concern of environment, and environment supervision instrument popularity rate is very low, and current environment monitor is completely unsuitable for small range, and such as farm, campus, cell, hospital's occasion are used.
The content of the invention
For above-mentioned situation, it is an object of the invention to provide a kind of haze detector with gas sensor array and remote real time monitoring terminal, demand of the people to environmental monitoring, and powerful, cheap, convenient use can be met；And product input cost is low, it is easy to penetration and promotion.
To achieve these goals, a kind of haze detector with gas sensor array, it mainly includes body, antenna and PCB main board, and the PCB main board is by embedded intelligence processor module, haze（PM2.5）Monitoring modular, temperature-humidity monitoring module, operation keyboard module, liquid crystal display module, long distance wireless data transmission blocks, real-time clock module, power module are constituted.Gas sensor array and refractometer are additionally provided with the outside of the body.
In order to realize structure, effect optimization, its further step is：Antenna is fixed on the top of body and is connected with the long distance wireless data transmission blocks on PCB main board；Power module is lithium battery and is connected with embedded intelligence processor module；Haze（PM2.5）Monitoring modular, temperature-humidity monitoring module, operation keyboard module, liquid crystal display module, real-time clock module, long distance wireless data transmission blocks are individually connected and are fixed on PCB main board with embedded intelligence processor module respectively；Body is provided with temperature and humidity measurement air-inlet grille and haze（PM2.5）Monitor air-inlet grille；Operation keyboard module provided with " plus ", " menu ", " subtracting ", " movement " four buttons.
The present invention also provides a kind of remote real time monitoring terminal, and it includes showing that software is constituted by long distance wireless data reception module, data processing module, computer and monitoring in real time.
A kind of haze detector with gas sensor array of the present invention, it mainly includes body, antenna and PCB main board, and the PCB main board is by embedded intelligence processor module, haze（PM2.5）The technical scheme that monitoring modular, temperature-humidity monitoring module, operation keyboard module, liquid crystal display module, real-time clock module, long distance wireless data transmission blocks, power module are constituted；It solves the shortcoming that traditional environment monitoring device is expensive, inconvenient for use, popularity rate is not high, product can not be promoted.
The present invention produced beneficial effect compared with prior art：
Ith, kernel control module of the invention uses high-performance, high reliability, low cost, the embedded intelligence processor of small size, and whole design is with relatively higher intelligence degree and reliability；
IIth, the present invention uses high-precision haze（PM2.5）Sensor is monitored, can the μ (10 of effective detection 1-6) more than m dust granules, with higher accuracy and sensitivity；
IIIth, the present invention uses the temperature-humidity monitoring sensor of high reliability, and Monitoring Data is reliable and stable；
IVth, the present invention is using module design, and volume is very small, and whole instrument only has 4 control buttons, very easy to use；The cost control of whole product is low, and reasonable price, commercial promise is considerable；
Vth, Monitoring Data of the invention can also be not only shown in remote computer terminal, analyzed, stored, analysis and preservation function with data by way of wireless data transmission by live display in real time；
VIth, present inventive concept is ingenious, compact conformation, scientific and reasonable, and comprehensive function is more；The environmental data on periphery can effectively be monitored and reference and foundation is provided for production and living, with stronger practical value and market popularization value.
The generally applicable various surrounding enviroment monitorings of the present invention are used, and the environmental monitoring of the small range such as particularly suitable all kinds of farms, campus, cell, hospital is used.
The present invention is described in further detail with reference to the accompanying drawings and examples.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is hardware design block diagram of the present invention.
Fig. 3 is remote real time monitoring terminal schematic diagram.
Fig. 4 is operation program FB(flow block) of the present invention.
Fig. 5 is power module schematic diagram of the present invention.
In figure：1st, body, 2, antenna, 3, PCB main board, 4th, LCD MODULE, 5th, embedded intelligence processor module, 6, operation keyboard module, 61, " plus " button, 62nd, " menu " button, 63rd, button " is subtracted ", 64, " movement " button, 7, power module, 8th, temperature-humidity monitoring module, 9, haze（PM2.5）Monitoring modular, 10, temperature and humidity measurement air-inlet grille, 11, haze（PM2.5）Monitor air-inlet grille, 12, long distance wireless data reception module, 13, data processing module, 14, computer, 15, monitoring in real time show software.
Embodiment
Referring to the drawings 1 and Fig. 2, what the present invention was realized in：A kind of haze detector with gas sensor array, it is characterised in that it mainly includes body 1, antenna 2 and PCB main board 3, and the PCB main board 3 is by embedded intelligence processor module 5, haze（PM2.5）Monitoring modular 9, temperature-humidity monitoring module 8, operation keyboard module 6, LCD MODULE 4, long distance wireless data transmission blocks, real-time clock module, power module 7 are constituted.Gas sensor array and refractometer are additionally provided with the outside of the body.
As shown in figure 1, the antenna 2 of the present invention is fixed on the top of body 1 and is connected with the long distance wireless data transmission blocks on PCB main board 3；Power module 7 is lithium battery and is connected with embedded intelligence processor module 5；Haze（PM2.5）Monitoring modular 9, temperature-humidity monitoring module 8, operation keyboard module 6, LCD MODULE 4, real-time clock module, long distance wireless data transmission blocks are individually connected and are fixed on PCB main board 3 with embedded intelligence processor module 5 respectively；Body 1 is provided with temperature and humidity measurement air-inlet grille 10 and haze（PM2.5）Monitor air-inlet grille 11；Operation keyboard module provided with " plus " button 61, " menu " button 62, " subtracting " button 63,64 4 buttons of " movement " button；Button only can just be used when adjustment time, if monitor needs adjustment time, " menu " button 62 is then pressed first, entry time sets interface, then it can be switched over by " movement " button 64 between hour, minute, second three, finally by " plus " button 61 or " subtracting " button 63, be adjusted correspondingly.
As shown in figure 3, remote real time monitoring terminal is main to show that software 15 is constituted by long distance wireless data reception module 12, data processing module 13, computer 14 and monitoring in real time；Long distance wireless data reception module 12 can receive the remote environment-monitoring data in the range of 500-1000 meters, and the progress Data Analysis Services of data processing module 13 are transferred to, and carry out data display in real time and completion data storage function by monitoring display software 15 in real time on computer 14.
As shown in figure 4, the workflow of the present invention is：Switch on power first, after starting through the setting time of operation keyboard module 6 and confirmation, temperature-humidity monitoring module 8, haze（PM2.5）Monitoring modular 9 starts gathered data by air-inlet grille, is then inserted into the Monitoring Data progress data processing that 5 pairs of formula intelligent processor is collected, converts analog signals into data signal, and carry out the series of computation such as digital filtering, data conversion；Finally by the data and real-time time after conversion in the case where embedded intelligence processor 5 is controlled, LCD MODULE 4 and long distance wireless data transmission blocks are sent to, realtime curve and long distance wireless data transfer is carried out；During whole monitoring, if button is pressed, then corresponding button adjustment programme is performed, if no button is pressed, directly return, re-start the monitoring of environmental data；Whole monitoring process is the structure of an Infinite Cyclic, it is ensured that the change of all environmental datas has response promptly and accurately to external world.
As shown in figure 5, power module 7 includes lithium battery and power supply adaptor, host circuit needs two kinds of supply voltages, wherein, embedded intelligence processor module 5, temperature-humidity monitoring module 8, operation keyboard module 6, LCD MODULE 4, haze（PM2.5）The grade of monitoring modular 9 uses 5 volts of power voltage supplies of DC, and long distance wireless data transmission blocks use 3.3 volts of power voltage supplies of DC；Therefore, 7.4 volts of voltages of DC of lithium battery output need to be converted to 5 volts of 3.3 volts of DC and DC respectively through DC-DC voltage transformation modules 1 and DC-DC voltage transformation modules 2, then are connected respectively with long distance wireless data transmission blocks, embedded intelligence processor module 5 and other modules；The charging of lithium battery is managed by lithium cell charging management module, when lithium battery does not have electricity, power supply adaptor and 220 volts of voltages in connection, lithium battery is charged by lithium cell charging management module, after electric quantity of lithium battery is full of, lithium cell charging management module automatically cuts off charging current, in case lithium battery is overcharged and damaged.
The embedded intelligence processor module 5 of the present invention is included using low cost, low-power consumption, high performance embeded processor STM32F103CBT6, and using high performance ARM Cortex-M3 32 RISC core, working frequency can reach 72MHz；It is widely used in motor driving and control, medical treatment and portable equipment, PC game peripherals and GPS platforms.
The haze of the present invention（PM2.5）Monitoring modular 9 includes GP2Y1010AU0F hazes, the dust granules sensor of SHARP companies of Japan；The sensor uses particle counting principle, can more than 1 μm of Sensitive Detection diameter particle, internal heater, which can be realized, is automatically drawn into air；And 5 volts of power voltage supplies of direct current are used, it can stablize in 1 second after plugging in, normally run, by particle counting principle, calculate the concentration of dust in air, and exported in the form of DC voltage.Dust granule in air is more, and the voltage of output is higher, and the formula of calculating is as follows：Output voltage values=dust concentration（mg/m3）÷10×K(V/0.1mg/m3Output voltage during)+dustless（Wherein K is sensor check-up inducing degree）, the voltage of output is analog signal, is data signal by analog-signal transitions by the analog-to-digital converting module of embeded processor, the voltage levels that embeded processor is exported according to sensor can calculate the concentration of dust in air.
The temperature-humidity monitoring module 8 of the present invention, which is included, uses DHT11 digital hygro sensors, it is a humiture compound sensor exported containing calibrated data signal, the digital module acquisition technique and temperature and humidity sensing technology of its application specific, it is ensured that product has high reliability and remarkable long-time stability；Sensor includes a resistance-type humidity sensing element and a NTC temperature element；The product has the advantages that quality brilliance, super fast response, strong antijamming capability, cost performance are high；Each DHT11 sensors are calibrated in extremely accurate humidity verification room, and calibration factor in the form of program to exist in OTP memory, and sensor internal will call these calibration factors in the processing procedure of detection model；The sensor uses Single Wire Bus Technology, it is only necessary to which a bus is connected with embedded intelligence processor, the system integration is become simple quick.Extra small volume, extremely low power consumption, become and give the class application even optimal selection of the harshest application scenario；The power supply voltage range 3.3-5.5V DC of the sensor, moisture measurement scope 20-90%RH, measurement accuracy ± 5%RH, 0-50 DEG C of temperature measurement range, measurement accuracy ± 1 DEG C；Output signal is data signal, and embedded intelligence processor can directly read sampled data and be handled.
The real-time clock module of the present invention is included is used as kernel control chip using DS1302 digital dock, DS1302 be DALLAS companies of the U.S. release a kind of high-performance, low-power consumption, the real time clock circuit with RAM, it can to year, month, day, Sunday, when, minute, second carry out timing, with leap year compensation function, operating voltage is 2.5V~5.5V；The chip is synchronized with embedded intelligence processor using three-wire interface and communicated, and the clock signal or RAM data of multiple bytes can be once transmitted using burst mode；The signal of output is data signal, can be embedded directly into formula intelligent processor and carry out data processing.
The LCD MODULE 4 of the present invention, which is included, uses LCD liquid crystal displays, and concrete model is DV12864, can be with Display of Chinese characters, numeral, letter and other figures；The display screen and embeded processor use Parallel Interface Communication, the data such as temperature, humidity, haze and time that embeded processor is collected, after inter-process, are shown on liquid crystal display.
The long distance wireless data of the present invention are sent（Receive）Module section, which is included, uses NRF905 wireless communication modules, and nRF905 uses the VLSI ShockBurst technologies of Nordic companies of Norway；ShockBurst technologies enable nRF905 to provide the data transfer of high speed, and data processing/clock covering is carried out without expensive high speed MCU；By the way that the igh-speed wire-rod production line relevant with RF agreement is put into chip, nRF905 is supplied to one SPI interface of microcontroller of application, and the interface rate that speed is set by microcontroller oneself is determined；NRF905 can be RX patterns by software design patterns（Receive）With TX patterns（Transmitting）, in communication process, as long as setting correct transmitting address and receiving address, after the matching of address, being wirelessly transferred for data can be completed；NRF905 reduces the speed of digital application part to reduce average current consumption in the application by ShockBurst mode of operations when RF is attached with maximum rate；In ShockBurst RX patterns, address matching AM and data ready DR signal notify the effective addresses of MCU mono- and packet each to finish receiving；NRF905 automatically generates lead code and CRC check code in ShockBurst TX patterns, and data ready DR signal notifies MCU data transfers to complete.
Remote computer monitoring terminal is included is programmed exploitation using LabVIEW development environments；LabVIEW（Laboratory Virtual Instrument Engineering Workbench）It is a kind of graphical programming language for replacing line of text to create application program with icon；It is widely received by industrial quarters, academia and research laboratory, is considered as data acquisition and the instrument control software of standard；LabVIEW is integrated with and met the hardware of GPIB, VXI, RS-232 and RS-485 agreement and the repertoire of data collecting card communication；It is also built-in to be easy to the built-in function using software standards such as TCP/IP, ActiveX；This is that One function is powerful and flexible software；The virtual instrument of oneself can be easily set up using it, its patterned interface to program and using process all vivid and interestings.
Claims (3)
1. a kind of haze detector with gas sensor array, it is characterized in that it mainly includes body, antenna and PCB main board, the PCB main board is made up of embedded intelligence processor module, haze PM2.5 monitoring modulars, temperature-humidity monitoring module, operation keyboard module, LCD MODULE, long distance wireless data transmission blocks, real-time clock module, power module；The antenna is fixed on the top of body and is connected with the long distance wireless data transmission blocks on PCB main board；The power module is lithium battery and is connected with embedded intelligence processor module；The haze PM2.5 monitoring modulars, temperature-humidity monitoring module, operation keyboard module, LCD MODULE, real-time clock module, long distance wireless data transmission blocks are individually connected and are fixed on PCB main board with embedded intelligence processor module respectively；
Gas sensor array and refractometer are additionally provided with the outside of the body.
2. a kind of haze detector with gas sensor array according to claim 1, it is characterised in that the body is provided with temperature and humidity measurement air-inlet grille and haze monitoring air-inlet grille.
3. a kind of haze detector with gas sensor array according to claim 1, it is characterised in that the operation keyboard module provided with " plus ", " menu ", " subtracting ", " movement " four buttons.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610111274.7A CN107132163A (en) | 2016-02-29 | 2016-02-29 | A kind of haze detector with gas sensor array |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610111274.7A CN107132163A (en) | 2016-02-29 | 2016-02-29 | A kind of haze detector with gas sensor array |
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| CN107132163A true CN107132163A (en) | 2017-09-05 |
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| CN201610111274.7A Pending CN107132163A (en) | 2016-02-29 | 2016-02-29 | A kind of haze detector with gas sensor array |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174140A (en) * | 2019-06-18 | 2019-08-27 | 合肥市枫林环保有限公司 | A kind of intelligent portable hospital environment detection terminal, EMS and environment detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201937669U (en) * | 2010-12-23 | 2011-08-17 | 上海华勤通讯技术有限公司 | Mobile phone with refractometer |
| CN204269515U (en) * | 2014-12-07 | 2015-04-15 | 湖南软件职业学院 | A kind of hand-held haze monitor |
| CN205049931U (en) * | 2015-10-13 | 2016-02-24 | 南京信息工程大学 | Indoor environment real -time monitoring system |
-
2016
- 2016-02-29 CN CN201610111274.7A patent/CN107132163A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201937669U (en) * | 2010-12-23 | 2011-08-17 | 上海华勤通讯技术有限公司 | Mobile phone with refractometer |
| CN204269515U (en) * | 2014-12-07 | 2015-04-15 | 湖南软件职业学院 | A kind of hand-held haze monitor |
| CN205049931U (en) * | 2015-10-13 | 2016-02-24 | 南京信息工程大学 | Indoor environment real -time monitoring system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174140A (en) * | 2019-06-18 | 2019-08-27 | 合肥市枫林环保有限公司 | A kind of intelligent portable hospital environment detection terminal, EMS and environment detection method |
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Application publication date: 20170905 |