CN101087218A - Grain information monitoring system based on wireless sensor network - Google Patents
Grain information monitoring system based on wireless sensor network Download PDFInfo
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Abstract
A grain-state detecting system based on wireless sensor network relates to the application of wireless network, and several sensor nodes are berried in the granary to form the cubic monitor network; coordinating node is mounted in every granary, located in outer of granary; at least one relay network consisting of relay nodes is designed according to the granary, and the position of relay nodes are fixed; information sink node and terminal sever are configured separately, located in control room; the coordinating nodes gather the information collected by several sensor nodes, and send it to the terminal sever by the relay network and information node consisting of relay nodes, the software in terminal sever processes the information, and sends commands to coordinating node to realize the network management for granary. The invention makes the detection automation develop fatherly, and improves the management level of information, and it is significant for science and grain security.
Description
Technical field
The present invention relates to the wireless network applied technical field, particularly a kind of grain information monitoring system that is used for grain storage based on wireless sensor network.
Background technology
As the saying goes: " bread is the staff of life ", even in today of hi-tech development, people's existence also be unable to do without grain, it is related to the development of society and stabilizing of people's lives.But at the moisture height, when temperature is also higher, day will be mouldy surplus the grain 10, if untimely processing, grain is rotten with regard to mould evil idea.Mouldy grain, the grain that has turned sour, ablastous seed grain has just lost original use value, causes serious economy loss.Therefore, become very important of grain storage work.Grain is in storage process, and the variation of grain feelings (temperature, humidity, moisture, insect etc.) directly has influence on the quality of grain quality, is necessary its environmental parameter is monitored and controlled.This has stored up grain to how utilizing high-tech means, has higher requirement.Grain information monitoring system addresses that need exactly, is used for realizing the information-based and intelligent of grain reserves.
Grain information monitoring system generally adopts in grain depot, particularly newly-built grain depot, the comparative maturity of technical developments such as its humiture monitoring, the automatic control of ventilation blower.Though on function, can reach requirement substantially, yet the system of the overwhelming majority still all adopts wired mode at present, and whole measurement and control network is laid very loaded down with trivial details, and network configuration is also not too flexible, cause very poor of its autgmentability, a lot of deficiencies are arranged and need improvements.
Summary of the invention
The objective of the invention is to overcome the deficiency of wired monitoring system in the existing grain depot, the function of the high density perception of wireless sensor network and initiatively execution is applied in the storage work of grain, especially the introducing of wireless technology, make whole measurement and control network become very flexibly.Wireless grain information monitoring system integrates that grain temperature detects automatically, silo humidity detects automatically, the functions such as automatic control of control automatically and cooler of ventilating, and is applicable to the monitoring management of various grain depots.Not only can record the parameters (temperature and humidity) of grain feelings, generate form,, and can set up parameter model automatically, analyze and make the control information of intelligence by terminal server for the administrative staff of grain depot provide decision-making foundation.
For achieving the above object, technical solution of the present invention provides a kind of grain information monitoring system based on wireless sensor network, comprises sensing node, coordinator node, via node, information destination node and terminal server; Its most sensing nodes are clocklike imbedded in the grain of silo, constitute the stereoscopic monitoring network; Each silo of coordinator node is provided with one, is positioned at the silo outside; At least one via node according to the difference of control room from the silo distance, is determined the number of via node, and the junction network that via node is formed is according to the concrete condition design of grain depot, the fixed-site of each via node; Information destination node and terminal server dispose one to one, are positioned at the control room; Coordinator node converges the information that most sensing nodes of this silo are gathered, junction network and the information destination node formed by via node are sent to terminal server, software by the terminal server prepackage is handled in real time according to information, issuing command is given coordinator node, realizes the network management of grain storage work.
Described grain information monitoring system based on wireless sensor network, its described formation stereoscopic monitoring network, after being shop one deck grain, then on the grain surface with homogeneous matrix form cloth one deck sensing node, after repaving one deck grain thereon, repeat aforesaid way cloth one deck sensing node, in the grain heap of per unit cube volume a sensing node is arranged; The known method for routing in The data geographical position transmits in stereoscopic graticule, the data message of the sensing node on each planar network adopts identical pattern, all converge, be transferred to the coordinator node of silo outside then between layer and the layer by the sensing node unification in this corner downwards to a corner.
Described grain information monitoring system based on wireless sensor network, the locus of its described each sensing node is corresponding with its node serial number, the unified known pattern in geographical position that adopts of the route of data realizes.
Described grain information monitoring system based on wireless sensor network, its described coordinator node, the position is fixed, and has represented the numbering of this silo, and it had both converged the grain feelings data of this silo sensing node, finished the controlled function that terminal server is given again.
Described grain information monitoring system based on wireless sensor network, in its described terminal server the full database that the grain complex closes parameter is housed, application software can be analyzed comparison according to the concrete grain feelings parameter that network is beamed back, thereby make correct decision-making, and can utilize network with the workbench of monitoring, management information is sent to each functional department and relevant leader, also have function with higher authorities' telecommunication networking and warning.
Described grain information monitoring system based on wireless sensor network, it has regularly active acquisition function of grain feelings data, and step is as follows: at first, the sensing node in each silo records the grain feelings parameter in space of living in termly; Secondly, the cubic network of forming by most sensing nodes is given coordinator node grain feelings parameter and positional information route; Then, coordinator node is given via node data, and via node is issued information destination node through junction network; At last, information destination node is given the terminal server analyzing and processing data that obtain from junction network.
Described grain information monitoring system based on wireless sensor network, it has passive at any time image data, positioning function, and step is as follows: at first, server sends to supporting information destination node to position data; Then, information destination node is given the junction network that via node is formed data wirelessly, is broadcast to the silo of needs test or all silos by via node; At last, whether the coordinator node judgment data of corresponding silo issues this silo, if, then analyze the content of data, start " solid " sensing network image data and also return, or carry out corresponding operation; Otherwise, abandon the data that this time receive.
Technical characterstic of the present invention is:
(1) wireless transmission.Adopt wireless data acquisition and processing (DAP), lay very conveniently, greatly reduce construction cost and engineering time, reduced system cost, flexibility greatly improves.If adopt traditional wire laying mode, be about to on-the-spot data of being gathered and give data processor by cable transmission, will expend a lot of cables so.In addition because grain storage work, the grain buttress be not extended immobilization a position, can frequent moving, this has brought huge difficulty also for the cabling of cable, thereby also can bring a lot of inconvenience to grain storage work.And utilize many advantages of wireless technology self, but can well address these problems.
(2) digitlization.With regard to digitlization, therefore the signal parameter of simulation becomes digitized electromagnetic wave to all grain feelings parameters fully in sensing node, is subjected to extraneous interference when having avoided analog signal transmission long easily, has improved the stability and the reliability of system works.Each measurement point respectively has an independently physical address as a monitoring node independently, constitutes a digital collection communication and Control Network in the self-organizing mode.
(3) microminiaturization and low-power consumption.Node uses microminiaturized integrated MEMS transducer, and volume can be done very for a short time, and reaches the effect of low-power consumption simultaneously from two aspects of hardware and software.If adopt the mechanism of sleeping/waking, common lithium battery can be for node work more than 2 years.
(4) Highgrade integration.Each detecting unit all comprises cereal temperature, humidity and moisture transducer simultaneously, is integrated on the sensing node, realizes that integrated multifunctional detects.
(5) intellectuality.This system can be analyzed automatically according to the grain humiture and the water parameters that record, realizes automatic overtemperature, the super wet and warning of going mouldy, and judges the ventilation cooling condition automatically, accurately and timely holds ventilating occasion, selection draft type, decision-making ventilation time; Avoid blindly ventilating and blindly cooling off and cause unnecessary grain quality infringement, waste energy and contaminated environment.
(6) network management.Whole grain information monitoring system is realized network management on the basis of digitlization, multi-functional integrated and auto-control.Whole system will form local area network (LAN) and link wide area network, realize remote data transmission differentiated control, the grain situation condition that selected in the storehouse under administrative departments at different levels can both stay indoors and inquire about, highest administration office can in time obtain the grain feelings information of national grain depots at different levels by the local area network (LAN) of subordinate administrative departments at different levels to carry out supervision.
The present invention need not transform the warehouse, just can realize digitlization grain feelings data acquisition fast and accurately, and fulfillment database recorded and stored and analyzing and processing provide and protect the grain decision-making foundation.Equipment dependability increases, and the integrated level height is settled flexibly, and is detachable, reduced the system maintenance expense.Its application success will bring great convenience to grain information monitoring, also will bring huge economic benefit to grain system.Simultaneously, through certain modification and perfect, this system can also be applied to have great promotional value among other industry.
Description of drawings
Fig. 1 is the schematic diagram that the present invention is based on whole wireless grain information monitoring network in the grain information monitoring system of wireless sensor network;
Fig. 2 the present invention is based on silo sensing node schematic layout pattern in the grain information monitoring system of wireless sensor network;
Fig. 3 is a sensing node structure chart of the present invention;
Fig. 4 is a coordinator node structure chart of the present invention;
Fig. 5 is a via node structure chart of the present invention;
Fig. 6 is an information destination node structure chart of the present invention;
Fig. 7 is the grain feelings data active collecting flowchart figure that the present invention is based on the grain information monitoring system of wireless sensor network;
Fig. 8 is the director data issue flow chart that the present invention is based on the grain information monitoring system of wireless sensor network.
Embodiment
Further describe specific embodiments of the invention below in conjunction with accompanying drawing.
As shown in Figure 1, the formation of system of the present invention comprises 4 kinds of nodes and 1 station server, and the title and the function of various device are as follows:
(1) sensing node A.Gather according to certain rules in the inside of grain, be responsible for to gather grain feelings parameter,, and the data route is sent to the coordinator node of this silo as temperature, humidity and moisture etc.
(2) coordinator node B.Each silo is equipped with a coordinator node, and what be mainly used to finish TT﹠C system initiatively carries out function: according to the analysis result that server is passed back, and the running of control ventilation and cooling device.In addition, also be responsible for collecting the data that all sensing nodes of this storehouse are adopted back, and send junction network to.
(3) via node C.Play relaying, be laid between silo and the control room, be used for strengthening the distance of radio communication, thereby grain depot and control room are connected.All via nodes constitute junction network jointly.
(4) information destination node D.With the supporting use of terminal server, be the bridge of getting in touch wireless and wired two kinds of networks: give terminal server the data that relaying transmits, perhaps the execution command that terminal server is sent sends by junction network.
(5) terminal server E.Gather all-network data computing machine system, generally be positioned at control room at a distance.Being responsible for analyzing and display network data and the automatic decision-making suggestion that generates, also is the instruction distribution platforms of grain depot administrative staff by the network management silo simultaneously.Can also be by Internet to external world's issue grain feelings information.
Say that on the whole system of the present invention mainly is made up of control centre's equipment, trunking and silo equipment three parts.As shown in Figure 1, specifically comprise sensing node A, coordinator node B, via node C, information destination node D and terminal server E, they constitute the local area network (LAN) of whole grain depot monitoring jointly.Sensing node A is to use maximum nodes, is mixed in the process that grain puts in storage in the middle of the grain, and concrete distribution method can describe in detail in the content of back.Coordinator node B is the node of each silo standard configuration, and this node is fixed, and has represented the numbering of this silo, generally is placed on the outside of this silo.It had both converged the grain feelings data of this silo, finished the controlled function that terminal server is given again.Junction network is also very fixing, just according to the difference of control room from the silo distance, can suitably increase or reduce the number of via node C.Information destination node D and terminal server E are supporting to be placed in the control room, realizes communication by RS232 or USB interface.
The full database that the grain complex closes parameter is housed among the terminal server E, application software can be analyzed comparison according to the concrete grain feelings parameter that network is beamed back, thereby make correct decision-making, and can utilize network with the workbench of monitoring, management information is sent to each functional department and relevant leader, also have function with higher authorities' telecommunication networking.System of the present invention has the Realtime Alerts function, and the server of control centre can be handled all kinds of warning messages, and stores in real time and report to the police.For the grain feelings of danger, terminal server E can report to the police with the form of voice, so that the grain depot staff handles in time; Ventilation and cooling system are used for controlling the parameter of grain feelings, can realize artificial and automatic two kinds of controls, and grain is remained under the constant grain storage environment, to prolong the life-span of grain.Functions peculiar is exactly can locating query grain feelings among the present invention, this has made full use of the location technology of wireless sensor network, administrative staff only need to come the releasing position instruction by terminal server E, automatically navigate to node in the indication zone by wireless grain information monitoring system, and this grain feelings parameter of selecting is at present reported.
Grain information monitoring system of the present invention is in a silo scope, and the multi-hop of data transmits the routing mode that adopts based on the geographical position.In the process of grain warehouse-in, whole silo cubic network is also set up simultaneously, and the locus of each sensing node A is corresponding with its node serial number, and the unified known pattern in geographical position that adopts of the route of data realizes.
Set up the complete wireless grain information monitoring system of a cover, need many sensing node A, the coordinator node B that equates with the silo number, a plurality of via node C, information destination node D and a station server E.The three-dimensional network that sensing node A constitutes, the collection and the route of responsible data are key points of whole network.
For the foundation of " three-dimensional " network in each silo, can be in the process of grain warehouse-in, sensing node A is dispensed in the middle of the grain, the sensing node A design of miniaturization is laid very convenient.Concrete way is exactly: shop one deck grain, No. 1 node of (plane of supposing silo is a rectangle) beginning cloth in the corner of this aspect then, then on cornerwise direction, expand 2, No. 3 node outward, follow 4,5, No. 6 nodes of cloth again, and the like, cloth one deck sensing node A regularly, its layout is as shown in Figure 2; After one deck cloth is good, repave one deck grain thereon, repeat aforesaid way cloth one deck sensing node, that try one's best is even, the thickness of grain is about about 1 meter (grain belongs to the undesirable heat conductor) greatly, therefore can guarantee a sensing node A in every cubic metre the grain heap.Like this, the common measurement and control network of forming a three-dimensional of all the sensing node A in the whole silo can be accomplished " no dead angle " to the monitoring of silo.The known method for routing in The data geographical position transmits in this stereoscopic graticule, the data message of sensing node A on each planar network adopts identical pattern, all converge to a corner, the sensing node A unification by this corner is transferred to coordinator node B downwards between layer and the layer then.
Each silo is equipped with a coordinator node B, and this coordinator node B fixes, and according to layout type as above, should be placed on the top of this silo outside.The junction network that via node C forms is also fixed, and does not just need too many change after disposable the laying, and under the closer situation of silo, can also reduce or save via node C in the control room.Information destination node D and terminal server E are supporting to be placed in the control room, realizes communication by RS232 or USB interface.
The shared hardware platform that can subtract sanction of four category nodes at different application, disposes different hardware and finishes different functions.Sensing node A is made of jointly power supply, single-chip microcomputer, radio-frequency module and distinctive sensor assembly, and each parts connects routinely, as shown in Figure 3; Coordinator node B is used for controlling the interface module composition of actuating equipment in addition by power supply, single-chip microcomputer and radio-frequency module, and each parts connects routinely, as shown in Figure 4; And via node C comprises power supply, single-chip microcomputer and radio-frequency module, is the simplest node of 26S Proteasome Structure and Function, and each parts connects routinely, as shown in Figure 5; Information destination node D in the accompanying drawing 6 has then increased a RS232 or USB interface on the basis of via node C, to communicate by letter with server E.
Fig. 7 is regularly active gatherer processes of grain feelings data: at first, the sensing node A in each silo records the grain feelings parameter in space of living in termly; Secondly, give coordinator node B grain feelings parameter and positional information route by cubic network; Then, coordinator node B gives via node C data, and via node C gives information destination node D again; At last, information destination node D gives terminal server E analyzing and processing the data that obtain from junction network.
Fig. 8 is the flow process of the passive collection of data and system's ACTIVE CONTROL: at first, server E sends to supporting information destination node D to data; Then, information destination node D gives the junction network that via node C forms data wirelessly, and is broadcast to all silos; At last, whether issue this silo by the coordinator node B judgment data of each silo.If then analyze the content of data and carry out corresponding operation; Otherwise, abandon the data that this time receive.
Claims (7)
1, a kind of grain information monitoring system based on wireless sensor network comprises sensing node, coordinator node, via node, information destination node and terminal server; It is characterized in that: most sensing nodes are clocklike imbedded in the grain of silo, constitute the stereoscopic monitoring network; Each silo of coordinator node is provided with one, is positioned at the silo outside; At least one via node according to the difference of control room from the silo distance, is determined the number of via node, and the junction network that via node is formed is according to the concrete condition design of grain depot, the fixed-site of each via node; Information destination node and terminal server dispose one to one, are positioned at the control room; Coordinator node converges the information that most sensing nodes of this silo are gathered, junction network and the information destination node formed by via node are sent to terminal server, software by the terminal server prepackage is handled in real time according to information, issuing command is given coordinator node, realizes the network management of grain storage work.
2, the grain information monitoring system based on wireless sensor network according to claim 1, it is characterized in that: described formation stereoscopic monitoring network, after being shop one deck grain, then on the grain surface with homogeneous matrix form cloth one deck sensing node, after repaving one deck grain thereon, repeat aforesaid way cloth one deck sensing node, in the grain heap of per unit cube volume a sensing node is arranged; The known method for routing in The data geographical position transmits in stereoscopic graticule, the data message of the sensing node on each planar network adopts identical pattern, all converge, be transferred to the coordinator node of silo outside then between layer and the layer by the sensing node unification in this corner downwards to a corner.
3, the grain information monitoring system based on wireless sensor network according to claim 1 and 2, it is characterized in that: the locus of described each sensing node is corresponding with its node serial number, and the unified known pattern in geographical position that adopts of the route of data realizes.
4, the grain information monitoring system based on wireless sensor network according to claim 1 and 2, it is characterized in that: described coordinator node, the position is fixed, represented the numbering of this silo, it had both converged the grain feelings data of this silo sensing node, finished the controlled function that terminal server is given again.
5, the grain information monitoring system based on wireless sensor network according to claim 1, it is characterized in that: the full database that the grain complex closes parameter is housed in the described terminal server, application software can be analyzed comparison according to the concrete grain feelings parameter that network is beamed back, thereby make correct decision-making, and can utilize network with the workbench of monitoring, management information is sent to each functional department and relevant leader, also have function with higher authorities' telecommunication networking and warning.
6, the grain information monitoring system based on wireless sensor network according to claim 1 and 2, it is characterized in that: have regularly active acquisition function of grain feelings data, step is as follows: at first, the sensing node in each silo records the grain feelings parameter in space of living in termly; Secondly, the cubic network of forming by most sensing nodes is given coordinator node grain feelings parameter and positional information route; Then, coordinator node is given via node data, and via node is issued information destination node through junction network; At last, information destination node is given the terminal server analyzing and processing data that obtain from junction network.
7, the grain information monitoring system based on wireless sensor network according to claim 1 and 2 is characterized in that: have passive at any time image data, positioning function, step is as follows: at first, server sends to supporting information destination node to position data; Then, information destination node is given the junction network that via node is formed data wirelessly, is broadcast to the silo of needs test or all silos by via node; At last, whether the coordinator node judgment data of corresponding silo issues this silo, if, then analyze the content of data, start " solid " sensing network image data and also return, or carry out corresponding operation; Otherwise, abandon the data that this time receive.
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| CN102004479A (en) * | 2010-11-17 | 2011-04-06 | 南京财经大学 | Wireless sensor network monitoring system for grain situation of grain depot |
| CN102013024A (en) * | 2010-11-04 | 2011-04-13 | 南通大学 | Grain depot and grain situation wireless monitoring system based on multistage RFID reader-writer network |
| CN102158989A (en) * | 2011-04-15 | 2011-08-17 | 南京信息工程大学 | Grain depot environment monitoring system |
| CN102682586A (en) * | 2012-06-11 | 2012-09-19 | 国网电力科学研究院 | Transmission line state monitoring communication system |
| CN103196486A (en) * | 2013-02-22 | 2013-07-10 | 昆明维萌科技有限公司 | Monitoring system and monitoring method for tobacco storage based on wireless sensor network |
| CN103281708A (en) * | 2013-06-19 | 2013-09-04 | 清华大学 | Wireless sensor node deploying method |
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| CN104009786A (en) * | 2013-02-27 | 2014-08-27 | 南京攀登信息技术有限公司 | Granary information transfer device based on wireless sensing network |
| CN104777859A (en) * | 2014-05-22 | 2015-07-15 | 胡祖国 | System for detecting and processing temperature and humidity of grain storehouse |
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| CN102013024B (en) * | 2010-11-04 | 2013-06-26 | 南通大学 | Grain depot and grain situation wireless monitoring system based on multistage RFID reader-writer network |
| CN102004479A (en) * | 2010-11-17 | 2011-04-06 | 南京财经大学 | Wireless sensor network monitoring system for grain situation of grain depot |
| CN102158989A (en) * | 2011-04-15 | 2011-08-17 | 南京信息工程大学 | Grain depot environment monitoring system |
| CN102682586A (en) * | 2012-06-11 | 2012-09-19 | 国网电力科学研究院 | Transmission line state monitoring communication system |
| CN103196486A (en) * | 2013-02-22 | 2013-07-10 | 昆明维萌科技有限公司 | Monitoring system and monitoring method for tobacco storage based on wireless sensor network |
| CN104009786A (en) * | 2013-02-27 | 2014-08-27 | 南京攀登信息技术有限公司 | Granary information transfer device based on wireless sensing network |
| CN103281708B (en) * | 2013-06-19 | 2016-03-23 | 清华大学 | Wireless sensor node dispositions method |
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| CN103424206A (en) * | 2013-08-09 | 2013-12-04 | 江南大学 | Wireless monitoring system and method for fermentation temperature of white wine pits |
| CN104777859A (en) * | 2014-05-22 | 2015-07-15 | 胡祖国 | System for detecting and processing temperature and humidity of grain storehouse |
| CN105700420A (en) * | 2015-04-08 | 2016-06-22 | 华中科技大学 | Grain condition monitoring network terminal machine and grain condition monitoring system |
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| CN105933416A (en) * | 2016-04-23 | 2016-09-07 | 刘涛 | Network system based on ground embedded wireless sensors and monitoring method thereof |
| CN106197754B (en) * | 2016-06-30 | 2018-10-23 | 湖南万通科技股份有限公司 | Layout designs map generalization method, grain feelings detection terminal and system in silo |
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| CN110766561A (en) * | 2019-09-11 | 2020-02-07 | 河南工业大学 | Abnormal grain condition detection method based on wireless tomography technology |
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