CN102322895A - Environmental monitoring substation based on Internet of Things and design method thereof - Google Patents
Environmental monitoring substation based on Internet of Things and design method thereof Download PDFInfo
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- CN102322895A CN102322895A CN201110216309A CN201110216309A CN102322895A CN 102322895 A CN102322895 A CN 102322895A CN 201110216309 A CN201110216309 A CN 201110216309A CN 201110216309 A CN201110216309 A CN 201110216309A CN 102322895 A CN102322895 A CN 102322895A
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Abstract
The invention discloses an environmental monitoring substation based on the Internet of Things and a design method thereof. The environmental monitoring substation has the structure that the signal output/input end of a main control processor module are respectively correspondingly connected with the signal output/ input end of a wireless data transmission module and the signal output/ input end of a GPS (Global Positioning System) receiving module; and the signal output end of the main control processor module is respectively correspondingly connected with the signal input end of a display module and the signal input end of an alarm module. The environmental monitoring substation has the advantages that a processor collects environment information and geographical position information, and the information is sent wirelessly after being processed. According to the environmental monitoring substation, the humiture, the radiance, the carbon monoxide content, the carbon dioxide content, the smoke content and the sulfur dioxide content of the environment can be simultaneously collected and monitored, and the integration level is higher. 433MHz wireless communication is adopted, so that low-cost and large-range real-time environment monitoring becomes possible. Meanwhile, the GPS receiving module is adopted to accurately record environment monitoring point position and monitoring time.
Description
Technical field
What the present invention relates to is a kind of environmental monitoring substation and method for designing based on Internet of Things, belongs to holder working application technical field.
Background technology
Nowadays, air pollution, forest fire protection and intelligent booth more and more receive people's attention, but how in real time, the relevant environmental index of monitoring easily, particularly long term monitoring cheaply, perplexing people always.Existing environment monitoring device or volume are bigger; Or the monitoring type is single, and integrated level is low, or is limited to the single-point monitoring; If the multiple spot monitoring then need be laid the communications cable, can't satisfy the practical applications requirement in the environmental monitoring (particularly forest ecology monitoring) on a large scale.
Summary of the invention
What the present invention proposed is a kind of environmental monitoring substation and method for designing based on Internet of Things, and its purpose is intended to overcome the above-mentioned drawback of taking out existence in the existing environmental monitoring.Its integrated level is high, can reduce the environmental monitoring cost effectively, adopts wireless data transfer module and GPS receiver module, has not only broken away from the dependence to the communications cable, and can assurance accurately be arranged to environmental monitoring position and monitoring time.
Technical solution of the present invention: a kind of its structure of environmental monitoring substation based on Internet of Things is to comprise master processor module, sensor assembly, wireless data transfer module, GPS receiver module, display module, alarm module; Corresponding joining of signal I/O end of the first signal output/input end of master processor module and sensor assembly wherein; Corresponding the joining of signal I/O end of the secondary signal output/input end of master processor module and wireless data transfer module; The 3rd signal output/input end of master processor module and corresponding the joining of signal I/O end of GPS receiver module; Corresponding the joining of signal input part of first signal output part of master processor module and display module, corresponding the joining of signal input part of the secondary signal output terminal of master processor module and alarm module.The invention has the beneficial effects as follows: compared with present technology, gather simultaneously and humiture, luminance brightness, carbon monoxide content, carbon dioxide content, smog content and the content of sulfur dioxide of monitoring of environmental, integrated level is higher.The present invention adopts the 433MHz radio communication, makes low-cost, large-scale real time environment monitoring become possibility, adopts the GPS receiver module simultaneously, but accurate recording environmental monitoring sites position and monitoring time.
Description of drawings
Accompanying drawing 1 is a kind of structured flowchart of the environmental monitoring substation based on Internet of Things;
Accompanying drawing 2 is design framework synoptic diagram of the present invention.
Embodiment
Combine accompanying drawing that the present invention is done further explanation at present.Accompanying drawing is rough schematic view, and therefore basic structure of the present invention and method for designing only are described in a schematic way.
Contrast accompanying drawing 1; A kind of environmental monitoring substation based on Internet of Things; Its structure comprises master processor module U01, sensor assembly U02, wireless data transfer module U03, GPS receiver module U04, display module U05, alarm module U06; Corresponding joining of signal I/O end of the first signal output/input end of master processor module U01 and sensor assembly U02 wherein; Corresponding the joining of signal I/O end of the secondary signal output/input end of master processor module U01 and wireless data transfer module U03; The 3rd signal output/input end of master processor module U01 and corresponding the joining of signal I/O end of GPS receiver module U04; Corresponding the joining of signal input part of first signal output part of master processor module U01 and display module U05, corresponding the joining of signal input part of the secondary signal output terminal of master processor module U01 and alarm module U06.
Said master processor module U01 comprises core processor, JTAG debugging interface, reset circuit and external data interface.Wherein, Core processor is the Cortex-M3 processor of TI (Texas Instruments) company; Because the compatibility of kernel and instruction, they can be LM3S615, LM3S617, LM3S618, LM3S811, LM3S812, LM3S815, LM3S817, LM3S818 or LM3S828.The major parameter of these Cortex-M3 processors is: 32 low-power consumption microcontrollers of 3.3V power supply, and dominant frequency is 50MHz, integrated 4 road A/D converters; The in-chip FLASH of 32KB～64KB; 2 UART interfaces, 1 IIC interface, 1 SPI interface and 20 GPIO interface nearly.
Said sensor assembly U02 comprises multiple different sensor, is used to gather different environment information.Sensor assembly U02 comprises unibus digital temperature-humidity sensor, environmental luminance sensor, carbon monoxide transducer, carbon dioxide sensor, smoke transducer, SO 2 sensor.Wherein the unibus digital temperature-humidity sensor is connected with master processor module U01 through the GPIO interface; Environmental luminance sensor is connected with master processor module U01 through the IIC interface; And carbon monoxide transducer, carbon dioxide sensor, smoke transducer and SO 2 sensor are connected with master processor module U01 through the A/D translation interface respectively.
System module on the preferred nRF905 matrix of said wireless data transfer module U03 is operated under the 433MHz frequency wireless data transfer module U03, guarantees the quality and the safety of communication.Under nothing was blocked condition, the transmission range of wireless data transfer module U03 can reach 500 meters.Wireless data transfer module U03 adopts the SPI interface to be connected with master processor module U01 with the GPIO interface.
Said GPS receiver module U04 adopts the UART interface and is connected with master processor module U01, is used to receive latitude and longitude information and standard time information.
Said display module U05 is the LCD module OCMJ4*8C with Chinese character base, is used to show longitude and latitude, time and the sensor data information of current location.Display module U05 adopts the GPIO interface to be connected with master processor module U01.
Said alarm module U06 is made up of direct current hummer and light emitting diode and driving circuit, and the sound when being used for data exception, light are reported to the police.Alarm module U06 is connected with master processor module U01 through the GPIO interface.
Environmental monitoring substation based on Internet of Things sends to master station with environmental information and time, the latitude and longitude information of gathering through wireless mode in real time; Software on the master station generates various forms automatically; And the formation history curve, for environmental monitoring and improvement provide reliable data foundation.
Contrast accompanying drawing 2, a kind of method for designing of the environmental monitoring substation based on Internet of Things is transplanted embedded OS U1, then based on embedded OS U1, with the form developing application U2 of multitask on the basis of hardware components U0.
Said embedded OS U1 is a μ C/OS-II embedded real-time operating system, and it has the kernel of refining, guaranteeing to take few processor resource, and nearly 64 of support tasks, and have intertask communication and priority is provided with function.The benefit of introducing embedded OS U1 is can carry out modular program design, and be convenient to the upgrading of system.
Said application program U2 major function comprises: at first time, the latitude and longitude information of timing acquiring sensor die block message and GPS receiver module; The form of pressing table 1 then is packing data, and the data of packing are sent through wireless data transfer module; Then sensor information and time, the latitude and longitude information of gathering are shown through display module, and judge whether sensing data unusual, if unusual, to spoken, the light warning.
Table 1
| 1 Byte | 2 Byte | 3 Byte | 4 Byte | 5-11 Byte | 12 Byte | 13 Byte |
| Packet origin identification sign indicating number | Substation ID sign indicating number | Timing code | The longitude and latitude sign indicating number | Sensing data | Check code | Packet finishes identification code |
The environmental monitoring substation based on Internet of Things that the present invention relates to is the part of whole monitoring system; Whole monitoring system is except that power supply unit; Comprise the environmental monitoring substation that several the present invention relates to, also have a master station (server) in addition based on Internet of Things.Wherein, The environmental monitoring substation based on Internet of Things that the present invention relates to sends to master station with environmental information and time, the latitude and longitude information of gathering through wireless mode in real time; Software on the master station generates various forms automatically; And the formation history curve, for environmental monitoring and improvement provide reliable data foundation.
Claims (6)
1. environmental monitoring substation based on Internet of Things; It is characterized in that comprising master processor module, sensor assembly, wireless data transfer module, GPS receiver module, display module, alarm module; Corresponding joining of signal I/O end of the first signal output/input end of master processor module and sensor assembly wherein; Corresponding the joining of signal I/O end of the secondary signal output/input end of master processor module and wireless data transfer module; The 3rd signal output/input end of master processor module and corresponding the joining of signal I/O end of GPS receiver module; Corresponding the joining of signal input part of first signal output part of master processor module and display module, corresponding the joining of signal input part of the secondary signal output terminal of master processor module and alarm module.
2. a kind of environmental monitoring substation according to claim 1 based on Internet of Things; It is characterized in that sensor assembly comprises unibus digital temperature-humidity sensor, environmental luminance sensor, carbon monoxide transducer, carbon dioxide sensor, smoke transducer, SO 2 sensor, wherein the unibus digital temperature-humidity sensor is connected with master processor module through the GPIO interface; Environmental luminance sensor is connected with master processor module through the IIC interface; Carbon monoxide transducer, carbon dioxide sensor, smoke transducer and SO 2 sensor are connected with master processor module through the A/D translation interface respectively.
3. a kind of environmental monitoring substation according to claim 1 based on Internet of Things; It is characterized in that wireless data transfer module is a system module on the nRF905 matrix; Wireless data transfer module is operated under the 433MHz frequency, guarantees the quality and the safety of communication, under nothing is blocked condition; The transmission range of wireless data transfer module reaches 500 meters, and wireless data transfer module adopts the SPI interface to be connected with master processor module with the GPIO interface.
4. a kind of environmental monitoring substation based on Internet of Things according to claim 1 is characterized in that said GPS receiver module adopts the UART interface and is connected with master processor module, is used to receive latitude and longitude information and standard time information.
5. a kind of environmental monitoring substation based on Internet of Things according to claim 1 is characterized in that display module is the LCD module OCMJ4*8C with Chinese character base, is used to show longitude and latitude, time and the sensor data information of current location; Display module adopts the GPIO interface to be connected with master processor module.
6. a kind of environmental monitoring substation according to claim 1 based on Internet of Things; It is characterized in that said alarm module is made up of direct current hummer and light emitting diode and driving circuit; Sound when being used for data exception, light are reported to the police, and alarm module is connected with master processor module through the GPIO interface.
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| CN102594878A (en) * | 2012-02-03 | 2012-07-18 | 中国联合网络通信集团有限公司 | Internet of things information fusion method, internet of things terminal equipment and internet of things platform |
| CN103234577A (en) * | 2013-03-28 | 2013-08-07 | 李信 | Indoor humiture measuring system |
| CN103391305A (en) * | 2012-05-11 | 2013-11-13 | 四川优的科技有限公司 | Hardware device for wireless sensor network node |
| CN104089369A (en) * | 2014-06-30 | 2014-10-08 | 四川长虹电器股份有限公司 | Intelligent air conditioner and air quality detection method and system based on intelligent air conditioner |
| CN105424568A (en) * | 2015-07-22 | 2016-03-23 | 广东技术师范学院 | PM2.5 detection device and method |
| CN107085071A (en) * | 2017-03-23 | 2017-08-22 | 重庆蓝岸通讯技术有限公司 | Environmental monitoring air all-in-one |
| CN108121286A (en) * | 2017-12-19 | 2018-06-05 | 大连威迪欧信息技术有限公司 | A kind of method of environmental monitoring and system based on Internet of Things |
| CN109661918A (en) * | 2017-10-16 | 2019-04-23 | 顾程燕 | A kind of afforestation energy saving greenhouse system |
| CN111721350A (en) * | 2020-06-30 | 2020-09-29 | 南昌工程学院 | Intelligent sensor |
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| CN107085071A (en) * | 2017-03-23 | 2017-08-22 | 重庆蓝岸通讯技术有限公司 | Environmental monitoring air all-in-one |
| CN109661918A (en) * | 2017-10-16 | 2019-04-23 | 顾程燕 | A kind of afforestation energy saving greenhouse system |
| CN108121286A (en) * | 2017-12-19 | 2018-06-05 | 大连威迪欧信息技术有限公司 | A kind of method of environmental monitoring and system based on Internet of Things |
| CN111721350A (en) * | 2020-06-30 | 2020-09-29 | 南昌工程学院 | Intelligent sensor |
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Application publication date: 20120118 |