CN106483258A - Air quality data collection and radio transmitting device under a kind of forest environment - Google Patents
Air quality data collection and radio transmitting device under a kind of forest environment Download PDFInfo
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- CN106483258A CN106483258A CN201611150646.3A CN201611150646A CN106483258A CN 106483258 A CN106483258 A CN 106483258A CN 201611150646 A CN201611150646 A CN 201611150646A CN 106483258 A CN106483258 A CN 106483258A
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- G—PHYSICS
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- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The embodiment of the invention discloses air quality data is gathered and radio transmitting device under a kind of forest environment, mainly include CPU module, modulus AD conversion, RS232 serial port module, GPRS wireless transport module, flash data memory module, calendar time generation module, temperature collect module, power management module.Wherein CPU module is by RS232 serial ports and forest environment Detection of Air Quality equipment interactive command and data, the measurement data of one side capture and detection apparatus, the working condition of one side monitor and detection equipment.Ecological website indoor temperature is measured by temperature collect module, for ensureing that Detection of Air Quality equipment operates in suitable temperature environment.Also other environmental datas can be gathered by AD conversion module, and add timestamp for all gathered datas, be stored in flash chip.While the work state information of the data of collection and testing equipment is wirelessly uploaded to the webserver using GPRS module, the obtaining means of forest environment Detection of Air Quality data are made to become simple, convenient and reliable.
Description
Technical field
The present invention relates to measurement and monitoring technical field, the collection of air quality data under more particularly to a kind of forest environment
With radio transmitting device.
Background technology
Nowadays, atmosphere pollution has become as the unavoidable problem of city dweller, and the monitoring of air ambient index is made a living
It is convenient that the health assessment of state system is provided with management, and real-time, accurate environmental data is obtained formulates political affairs with analysis for environmental administration
Plan, take measures with pollution abatement, protect people's health to provide scientific basis.However, as most of ecological environments are supervised
Web construction is surveyed in suburb, forest and park, difficulty is brought to the real-time Transmission of Detection of Air Quality data, make related work people
Member must not irregularly arrive ecological website and carry out on-site data gathering, and this not only consumes a large amount of human and material resources and time, Er Qiesuo
The data of collection do not have real-time, and isomery dispersion, it is difficult to carry out unified management and follow-up Treatment Analysis.On the other hand,
, when fault is run into or emergency situations (as having a power failure) quit work, station field signal personnel are difficult for the automatic detection system of ecological website
To find simultaneously solve problem in time, this may cause prolonged loss of data.
Content of the invention
For solving the above problems, it is an object of the invention to provide a kind of be used for forest ecological environment parameter monitoring field,
Integrate the terminal installation that data acquisition, equipment condition monitoring, data such as are wirelessly transferred at the function.For accurate, convenient and real
When obtain forest ecology air quality parameters, and the working condition of reliable, timely monitor and detection equipment provides method, to ecology
Environmental monitoring and scientific research personnel provide facility.
For reaching above-mentioned purpose, the technical scheme is that：
A kind of collection of forest air quality testing data and radio transmitting device, including CPU module, modulus AD conversion,
RS232 data acquisition module, GPRS wireless data transfer module, flash data memory module, calendar time generation module, temperature
Degree acquisition module, power management module.The single-chip microcomputer of model MSP430F149 that the CPU module is produced using NI company,
Have the characteristics that low power consumption and high reliability；The RS232 data acquisition module is connected with the UART module of CPU, the terminal dress
Put and be connected with forest environment Detection of Air Quality equipment by the RS232 data acquisition module, for interactive command and data,
The measurement data of one side capture and detection apparatus, the working condition of one side monitor and detection equipment；The temperature collect module with
The I/O module of CPU is connected, for monitoring the indoor temperature of ecological website；The terminal installation can be also adopted by AD conversion module
Collect the environmental data of other analog signal outputs, and the data of collection are enclosed upper timestamp, be stored in described flash data
In storage chip；The GPRS module is connected with mainboard by arranging pin, and the CPU passes through serial ports and GPRS module interaction data,
For the work state information of the data of collection and testing equipment is wirelessly uploaded to the webserver.
Alternatively, the forest environment Detection of Air Quality equipment refers to the conventional of ecological environment field of monitoring of air quality
Equipment, including：42i type NO-NO of Thermo Scientific company of U.S. production2-NOxAnalyzer, 43i type SO2Analyzer,
48i type CO analyzer, 49i type O3Analyzer, 410i type CO2Analyzer, and domestic blue shield Photoelectron Corp. production big
Aerated particle thing PM2.5 analyzer and Atmospheric particulates PM10 analyzer.
Alternatively, the terminal installation can be gathered and the ambient air quality parameter transmitted includes：NO、NO2、NOx、SO2、
CO、O3、CO2, the aerial content such as PM2.5 and PM10.
Alternatively, the control function of the single-chip microcomputer includes：
Data acquisition function, is communicated by the RS232 functional module and the forest air quality detection apparatus, a side
Face sends instruction to obtain the measurement data of testing equipment, on the other hand, when 3 transmission instructions should without receiving testing equipment
When answering, testing equipment fault is judged, generate the operating state data of testing equipment fault.
Data wireless transmission function, is communicated by the UART0 functional module and the GPRS module of the single-chip microcomputer, control
The GPRS module is wirelessly transferred the operating state data of the air quality parameters data and testing equipment for collecting.
Transmitting device oneself state function of reporting, the data acquisition send itself work with transmitting device timing to server
Make status information, facilitate remote monitoring personnel failure judgement source in the case of it can not be properly received measurement data.
Alternatively, the GPRS module adopts independent functional module, is connected with mainboard with row's pin, is easy to replace and mistake
Debugging.
Alternatively, the GPRS module is made using the double frequency GSM/GPRS wireless module SIM900a of compact, high reliability
For master chip.
Alternatively, the temperature collect module adopts the digital temperature sensor of model DS18B20, with small volume,
Low cost, the feature of high precision.
The temperature collect module is used for gathering the ecological station indoor temperature in field, plays the ecological station room conditioning work of monitoring
State, ensures that testing equipment is operated in suitable environment temperature, it is to avoid cause testing equipment to damage because temperature is too high.
Alternatively, the modulus AD conversion module can gather the environmental parameters of 8 road analog signal outputs.
Alternatively, the calendar time generation module is that the environmental parameters for gathering stamp timestamp.
Alternatively, the flash data memory module is used for storing the Ecological Environmental Data of collection, beyond the data of capacity
The data of previous storage will be covered.
Compared with prior art, the invention has the advantages that：
By uploading the environment of ecological monitoring website collection using the double frequency GSM/GPRS wireless module of high reliability in real time
Air quality parameters information, has been greatly saved human and material resources and the time of related practitioner, has reduced the probability of corrupt data,
The manageability of data is improve, is follow-up data processing, real-time exhibition provides convenient；
By the working condition of monitoring of environmental testing equipment, and be uploaded to server end in real time, be conducive to monitoring personnel and
Shi Faxian simultaneously repairs the failure problems of testing equipment, it is to avoid barrier cannot measure the long-time loss of data for causing for some reason；
By forest ecological environment parameter monitoring website indoor temperature is monitored, and it is uploaded to server end in real time, is conducive to
Monitoring personnel grasps the air-conditioning work state in ecological website room, it is to avoid cause testing equipment to damage because operating ambient temperature is too high
Bad.
Description of the drawings
Fig. 1 is the structural frames of air quality data collection and radio transmitting device under forest environment provided by the present invention
Figure；
Fig. 2 is the workflow of air quality data collection and radio transmitting device under forest environment provided by the present invention
Block diagram；
Fig. 3 is the application scenarios of air quality data collection and radio transmitting device under forest environment provided by the present invention
Figure.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
Conversely, the present invention covers any replacement that does in the spirit and scope of the present invention being defined by the claims, repaiies
Change, equivalent method and scheme.
Under forest environment provided by the present invention, air quality data collection is embodied as with one kind of radio transmitting device
Mode is as shown in figure 1, the system includes CPU module 101, AD analog-to-digital conversion module 102, I/O module 103, serial communication UART0
Module 104 and UART1 module 105, GPRS wireless transport module 106, RS232 serial port level conversion module 107, external air
Quality detection apparatus 108, device power supply module 109, cpu reset circuit 110, LED light 111, digital temperature are sensed
Device 112, flash data memory module 113, calendar time generation module 114.Wherein CPU module 101 is using the production of NI company
The single-chip microcomputer of model MSP430F149, have the characteristics that abundant internal resource, low-power consumption and high reliability；AD analog-to-digital conversion mould
Block 102, I/O module 103, UART0 104 and UART1 105 are the internal resource of CPU module 101, which are added simple outer
Enclose circuit and just can achieve corresponding function.Transistor-Transistor Logic level is converted into by UART1 module 105 by serial port level conversion module 107
RS232 level, is connected with forest environment Detection of Air Quality equipment 108, for interactive command and data, one side acquisition testing
The measurement data of equipment, the working condition of one side monitor and detection equipment.GPRS module 106 is connected with mainboard by arranging pin, is led to
UART0 module 104 and CPU interaction data is crossed, for data to be wirelessly uploaded to the webserver.Power module 109 is used for electricity
Pressure adaptation, 12V input voltage is converted into 3.3V and is powered to CPU, and be converted into 5V powering to GPRS module.The I/O mould of CPU
Block 103 controls two LED lights 111, and one of them is used for indicating GPRS status signal, and another is used for indicating data is activation
State, the indicator lamp fast blink when data is activation success.Temperature sensor 113 is directly welded on circuit board, model
DS18B20, with small volume, hardware spending is low, the feature of high precision, for measuring ECOLOGICAL ENVIRONMENTAL MONITORING station indoor temperature, and
Server is uploaded in time by GPRS module 106, remote monitoring personnel can judge the work of testing equipment by indoor temperature
Environment, temperature is too high to cause testing equipment to damage；Clock circuit 114 adopts DS1302 low-power consumption real-time timepiece chip, with
CPU interaction current time the data interpolation timestamp to collection, form Data Entry, are stored in flash memory 113.
Memory 113 is 8M using the chip of model AT45DB081D, amount of capacity, for backing up measurement data, works as data storage
During more than memory capacity, new data will cover the legacy data of previous storage.8 road AD analog-to-digital conversion modules and level shifting circuit
115 are used for Function Extension, can be used to gather the ambient parameter of other analog signal outputs, and level shifting circuit 115 will simulate letter
Number it is adjusted to the scope of suitable single-chip microcomputer collection.
Air quality data collection and radio transmitting device, wherein GPRS module independence under the forest environment of above example
Design, is connected with CPU module place mainboard by the way of contact pin, facilitates function debugging, replacement and the maintenance of GPRS module.
In a specific Application Example, Fig. 2 gives the collection of air quality data under the present embodiment forest environment
The course of work with radio transmitting device (hereinafter referred to as number passes device)：
Step 1：House dog, initialization com port, I/O module are closed in initialization, MSP430F149 single-chip microcomputer, and arrange two
Individual timer is respectively used to chronometric data acquisition interval and sends keep-alive inter-packet gap.Forest environment Detection of Air Quality equipment (bag
Include U.S.'s Thermo Scientific equipment and domestic blue shield equipment) biography device once, is therefore counted every sampling in 1 hour every m
Minute (m<60) data request command being sent to testing equipment can ensure that data are not lost.Keep-alive bag is used for number and passes device to clothes
Itself working condition is reported at business device end, and when received server-side is less than data, keep-alive bag can help analyzing failure cause, keep-alive
Inter-packet gap is set to per half an hour once.
After the completion of initialization, CPU is while monitor two timer state, workflow divides two branch roads while carrying out, right
In branch road 1：
Step 2：When data acquisition timer overflows, counter O reset, restarts timing, while number passes device to gloomy
Woods ambient air quality testing equipment sends the data of command request measurement；
Step 3：Judging that number passes the data answering whether device receives testing equipment, if not having, repeating to send request life
Order, if send order frequency n>=3, testing equipment response is not also received, then judges testing equipment fault, while generating detection
The operating state data of equipment fault.If receiving the data answering of testing equipment, receiving data；
Step 4：The temperature data of collection digital temperature sensor output, meanwhile, alternatively, start 8 road AD analog-to-digital conversion,
Gather the ambient parameter of other analog signal outputs；
Step 5：The current time of clock circuit is read, and 2-4 is walked the data for obtaining and form one article in the specific format
Partial data, encloses timestamp and saves it in flash chip；
Step 6：The data formed to far-end server forwarding step 5 by GPRS module, are sent completely rear return to step 2
Etc. pending data acquisition next time.
For branch road 2：
Step 2：When keepalive timer overflows, counter O reset, restarts timing, while generating keep-alive packet.
Step 3：Keep-alive bag is sent to far-end server by GPRS module, number of reports passes the working condition of device.Send
After the completion of the pending keep-alive next time bag such as return to step 2 send.
Referring to Fig. 3, it is the collection of air quality data and the one of wireless transmission terminal under embodiment of the present invention forest environment
Individual application scenario diagram.Number is passed device 32 and is connected with the Detection of Air Quality equipment 31 of forest ecology monitoring station, after gathered data
Data being wirelessly transferred into GPRS network, the server 33 of data center being sent to through Internet, data just may be used after treatment
Air quality information can be shown in real time by terminal 34.
Forest environment air quality data provided by the present invention collection with the feature of radio transmitting device is：
1. integrate the collection of forest environment Detection of Air Quality data and be wirelessly transferred, improve related practitioner and exist
Technological means in terms of data acquisition, has been greatly saved human and material resources and the time of practitioner, while reducing corrupt data
Probability, improves the manageability of data, is follow-up data processing, real-time exhibition provides convenient；
2. the working condition of testing equipment, and upload server in real time, while gathering ambient air quality data, are monitored,
Be conducive to monitoring personnel to find in time and repair the failure problems of testing equipment, it is to avoid barrier cannot measure the long-time for causing for some reason
Loss of data；
3., while gathering forest ecological environment parameter monitoring station indoor temperature, be conducive to monitoring personnel to grasp ecological station indoor
The working condition of air-conditioning, it is to avoid cause testing equipment to damage because operating ambient temperature is too high.
The above embodiments are only that the preferred embodiment of the present invention is described, not to the design of the present invention and
Scope is defined.On the premise of without departing from design concept of the present invention, various modifications that technical scheme is made
And improvement, belong to protection scope of the present invention.
Claims (9)
1. air quality data collection and radio transmitting device under a kind of forest environment, including CPU module, modulus AD conversion,
RS232 data acquisition module, GPRS data wireless transport module, flash data memory module, calendar time generation module, temperature
Degree acquisition module, power management module.The single-chip microcomputer of model MSP430F149 that the CPU module is produced using NI company,
Have the characteristics that low power consumption and high reliability；The RS232 data acquisition module is connected with the UART module of CPU, and described device is led to
Cross the RS232 data acquisition module to be connected with forest environment Detection of Air Quality equipment, for interactive command and data, a side
The measurement data of face capture and detection apparatus, the working condition of one side monitor and detection equipment；The temperature collect module is with CPU's
I/O module is connected, for monitoring the indoor temperature of ecological website；Described device can also gather other simulations by AD conversion module
The environmental data of signal output, and the data of collection are enclosed timestamp, it is stored in described flash data storage chip；
The GPRS module is connected with mainboard by arranging pin, and the UART0 module interaction data with the CPU, for the number that will be gathered
The webserver is wirelessly uploaded to according to the work state information with testing equipment.
2. under forest environment according to claim 1, air quality data is gathered and radio transmitting device, it is characterised in that
The attachable forest air quality detection apparatus of described device are the common equipment in ecological monitoring field, including：U.S. Thermo
42i type NO-NO of Scientific company production2-NOxAnalyzer, 43i type SO2Analyzer, 48i type CO analyzer, 49i type O3
Analyzer, 410i type CO2Analyzer, and the Atmospheric particulates PM2.5 analyzer of domestic blue shield Photoelectron Corp. production
With Atmospheric particulates PM10 analyzer.
3. under the forest environment according to claim 1 to 2, air quality data is gathered and radio transmitting device, and its feature exists
Can gather in, described device and the ambient air quality parameter transmitted includes：NO、NO2、NOx、SO2、CO、O3、CO2, PM2.5 with
And the aerial content such as PM10.
4. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In the Single-chip Controlling function includes：
Data acquisition function, is communicated by the RS232 functional module and the forest air quality detection apparatus, on the one hand sends out
Send and instruct so that the measurement data of testing equipment is obtained, on the other hand when instruction is sent without receiving testing equipment response 3 times,
Judge testing equipment fault, generate the operating state data of testing equipment fault.
Data wireless transmission function, is communicated by the UART0 functional module and the GPRS module of the single-chip microcomputer, and control is described
GPRS module is wirelessly transferred the operating state data of the air quality parameters data and testing equipment for collecting.
Transmitting device oneself state function of reporting, the transmitting device timing send itself work state information to server, side
Just remote monitoring personnel failure judgement source in the case of it can not be properly received measurement data.
5. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In the GPRS module adopts independent functional module, is connected with mainboard with row's pin, is easy to replace and mistake debugging.
6. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In, the temperature collect module is used for gathering the ecological station indoor temperature in field, plays the ecological station room conditioning working condition of monitoring,
Ensure the effect of testing equipment suitable services environment temperature.
7. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In the modulus AD conversion module can gather the environmental parameters of 8 road analog signal outputs.
8. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In the calendar time generation module is the timestamp that the environmental parameters of collection stamp data acquisition.
9. under the forest environment according to claims 1 to 3, air quality data is gathered and radio transmitting device, and its feature exists
In the environmental parameters of described device collection are stored in described flash storage chip, and the data beyond capacity will be covered
The data of previous storage.
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| CN107682405A (en) * | 2017-09-08 | 2018-02-09 | 四川省绵阳太古软件有限公司 | Ecological travel city environmental data fusion processing system and method based on oxygen life degree |
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| CN109188970A (en) * | 2018-09-05 | 2019-01-11 | 北京市燃气集团有限责任公司 | A kind of indoor gas safety monitoring wisdom terminal and method for safety monitoring |
| CN109612895A (en) * | 2019-02-16 | 2019-04-12 | 新疆林科院森林生态研究所 | A kind of air quality monitoring method in urban forests environment |
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Application publication date: 20170308 |
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