Environmental monitoring node and system based on technology of Internet of things
Technical field
The invention belongs to Internet of Things exploitation and application.Specifically, relate to a kind of environmental monitoring node and system based on technology of Internet of things.
Background technology
The forms of characterization of environment has multiple, and main forms of characterization comprises temperature, humidity, noise, vibration, air pressure etc., and environmental monitoring is subjected to society and national attention as part important in the monitoring field, has far-reaching and practical meaning.Existing enviromental monitoring equipment is mainly fixing point monitor, handheld monitor etc.
Fixing point monitor cost height in the existing enviromental monitoring equipment, volume is big, is not easy to move, and needs power line and communication data line, is unfavorable for using on a large scale with high density and layouts.Even problems such as it is low to adopt the monitoring equipment of radio communication also to exist message transmission rate, and network stabilization is poor, and the Web-compatible ability is not good are difficult to realize on a large scale, highdensity networking and data interaction.
Handheld monitor in the existing enviromental monitoring equipment is relatively heavier, needs operation manually, does not generally possess network savvy, can only check at this machine.Owing to need operation manually, be difficult to realize long-term monitoring, and can't under extreme and particular surroundings, use that use cost is higher.This type of monitoring equipment is subjected to the restriction of service condition and networked capabilities, and the environmental monitoring of stable, long-term and regional extent can't be provided.
Summary of the invention
The objective of the invention is, use that technology of Internet of things makes that this environmental monitoring node and system possess that device volume is little, low in energy consumption, installation and maintenance are easy, low cost of manufacture, use cost are low, exempt from cloth power line and order wire, round-the-clock monitoring, monitored density is adjustable, can the high density monitoring, can use under special or extreme environment, characteristics such as wireless self-networking, high and the mutual transmission of support high-speed data.
In order to reach purpose of the present invention, applied technical scheme is a kind of environmental monitoring node and system based on technology of Internet of things.Its node comprises power supply module, sensor assembly, radio-frequency communication module, node control module.Its system comprises the hardware and software two large divisions, and wherein software section is made of library component, application configuration module, system's control die set, scheduling module, the relevant module of application; Hardware components is made of node, base sites, function modoularization sensor cluster.
According to one embodiment of present invention, possess standby and sleep mode, can guarantee the flying power of node and system's long-term work based on the environmental monitoring node and the system of technology of Internet of things.
According to one embodiment of present invention, environmental monitoring node and the system based on technology of Internet of things comprises radio-frequency communication module, its radio-frequency communication module employing Zigbee or 3G wireless communications mode.
According to one embodiment of present invention, environmental monitoring node and system based on technology of Internet of things comprise sensor assembly, its sensor assembly adopts the function modoularization sensor cluster, has temperature sensor module, humidity sensor module, Raindrop sensor module, noise transducer module, vibrating sensor module, strain gauge module, pH value sensor assembly, combustible gas sensor module, GPS sensor assembly, camera sensor assembly, gas pressure sensor module.
According to one embodiment of present invention, comprise power supply module based on the environmental monitoring node and the system of technology of Internet of things, its power supply module comprises master battery pack and backup battery group, and two battery pack all adopt the rechargeable type lithium battery power supply.
The beneficial effect that the present invention realizes comprises: this environment monitoring device volume is little, and is low in energy consumption, and installation and maintenance are easy, low cost of manufacture, use cost is low, exempts from cloth power line and order wire, round-the-clock monitoring, monitored density is adjustable, can high density monitor, and can use under special or extreme environment, wireless self-networking, high supports that high-speed data transmits alternately, supports the digit information collection and the transmission of video, audio frequency, image; In conjunction with the operation interface of native system, can provide graphical, intelligentized regional environment parameter real time monitoring and warning.
Description of drawings
The brilliant gloomy thing connection environmental monitoring system hierarchical structure of Fig. 1;
The brilliant gloomy thing connection environmental monitoring node MANET network configuration of Fig. 2;
Embodiment
The present invention is environmental monitoring node and the system based on technology of Internet of things.Its node comprises power supply module, sensor assembly, radio-frequency communication module, node control module.Its system comprises the hardware and software two large divisions, and wherein software section is made of library component, application configuration module, system's control die set, scheduling module, the relevant module of application; Hardware components is made of node, base sites, function modoularization sensor cluster.
Power supply module in the system comprises master battery pack and backup battery group, and two battery pack all adopt the rechargeable type lithium battery power supply.The correlation technique parameter is: input voltage: AC/DC9V~36V; Lithium battery capacity: 2800mAH; Lithium battery rated voltage: 3.7V; Charging voltage: 5V; Charge mode: constant pressure and flow; Charge protection: overcurrent, overvoltage, overtemperature protection.
The power consumption correlation technique parameter of node is in the system: emission maximum electric current: 20mA; Maximum is accepted electric current: 20mA; Standby current: 10mA; Resting state: 0.9uA.
Sensor assembly of the present invention adopts the function modoularization sensor cluster, comprises temperature sensor module, humidity sensor module, Raindrop sensor module, noise transducer module, vibrating sensor module, strain gauge module, pH value sensor assembly, combustible gas sensor module, GPS sensor assembly, camera sensor assembly, gas pressure sensor module.
Radio-frequency communication module of the present invention adopts Zigbee or 3G wireless communications mode.Wherein the 3G wireless communications mode can use 3 kinds of different 3G wireless communication modules according to the difference of Operation Network.The correlation technique parameter of Zigbee wireless communications mode is in the system: transmission range: 100 meters; Network topology: star-like, tree type, chain; Frequency: 2.4GHZ; Wireless channel: 11~26; Sensitivity :-100dbm; Transmitting power: 19dbm.
The correlation technique parameter of data-interface is in the system: maximum data packet: 256 bytes; Data-interface: standard RS232 serial ports; Rs 232 serial interface signal: TXD, RXD, GND; Serial ports speed: 1200~38400bps; Data bit: 7,8; Checker: 1.
USB interface in the system can provide the Connection Service with computer, realizes functions such as system's adjustment, warning are provided with.
The index of correlation parameter of system works environment is: working temperature :-20~85 degrees centigrade; Storage temperature :-20~85 degrees centigrade.
The technical scope of this invention is not limited to the content on the specification, must determine its technical scope according to the claim scope.