CN202334597U - Cluster state monitoring system based on WSN (Wireless Sensor Network) - Google Patents
Cluster state monitoring system based on WSN (Wireless Sensor Network) Download PDFInfo
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- CN202334597U CN202334597U CN2011204668714U CN201120466871U CN202334597U CN 202334597 U CN202334597 U CN 202334597U CN 2011204668714 U CN2011204668714 U CN 2011204668714U CN 201120466871 U CN201120466871 U CN 201120466871U CN 202334597 U CN202334597 U CN 202334597U
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Abstract
The utility model provides a cluster state monitoring system based on a WSN (Wireless Sensor Network). A wireless sensor network consisting of a plurality of wireless sensor nodes mounted on equipment is connected with a gathering node, and the gathering node is connected with a data management and analysis platform; data of each wireless sensor node is transmitted to the gathering node in a direct manner or a hop-by-hop manner along the nodes; and the gathering node is a sensor node for enhancing a data processing function or gateway equipment only with a wireless communication interface. According to the cluster state monitoring system and method based on the WSN provided by the utility model, working state information of construction equipment and a fault diagnosis system constructed based on a virtual instrument technology can be accurately obtained through the wireless sensor network, the fault types and parts can be found out in time, and alarm is carried out at a key moment. Therefore, the maintenance defects and surplus maintenance of the equipment can be avoided; the service life of the equipment is prolonged; the maintenance cost of the equipment is reduced, and the construction security is ensured.
Description
Technical field
The utility model relates to the status monitoring field of a group of planes in the projects under construction such as water conservancy and hydropower, transport hub, particularly a kind of group of planes condition monitoring system and method based on WSN.
Background technology
In recent years, water conservancy and hydropower, transport hub project under construction quantities are bigger, and the duration is tight, and project quality requires very strict, and it must be accomplished with the very high construction equipment of up-to-dateness.Say that in a sense construction machinery is to the engineering construction quality decisive role.Because the open work of construction equipment polyphyly receives wind and rain, Exposure to Sunlight, atmosphere, dust to influence and corrode, operational environment is very abominable, and fault is frequent; And the characteristic that construction is produced has determined them to be operated on each building site, and is dispersed big, mobile strong, brought very big difficulty for the timely eliminating of fault.And traditional manufacturing industry production equipment is monitored cable or the optical fiber that needs laying a large amount of in real time; To constitute transmission network; Require harsh occasion (like rotating parts, compressor etc.) restriction to connect up and power supply for operational environment, monitoring network construction and maintenance cost are very high.Raising along with plant equipment complexity and automaticity; Traditional maintenance technology (as shutting down maintenance and schedule maintenance) is difficult to satisfy the demand of maintenance cost and efficient; Needing more rationally efficiently, equipment running status monitoring and diagnosis technology reduces the downtime; Reduce operation and maintenance cost, and prolong the length of service of equipment.
WSN is the abbreviation of wireless sensor network, i.e. wireless sensor network.Chinese patent 200910014364.4 provides a kind of wireless sensor network node, can realize Long-distance Control and saves energy; Chinese patent 200910159494.7 provides a kind of method for routing, wireless sensor node and system of wireless sensor network, the load balancing of transfer of data in can realizing netting.
Summary of the invention
The utility model technical problem to be solved provides a kind of group of planes condition monitoring system and method based on WSN; Can monitor group of planes state in the project under construction easily; Thereby the downtime of equipment in the minimizing group of planes; Reduce operation and maintenance cost, and prolong the length of service of equipment.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: a kind of group of planes condition monitoring system based on WSN; The a plurality of wireless sensor nodes composition wireless sensor networks that are installed on the equipment are connected with aggregation node, and aggregation node is connected with analysis platform with data management;
The data of each wireless sensor node are directly or along the aggregation node that transfers to of node hop-by-hop;
Described aggregation node is sensor node that strengthens data processing function or the gateway device that only has wireless communication interface.
Described wireless sensor node is made up of sensor assembly, processing module, wireless communication module and energy supply module;
Sensor assembly is responsible for the collection and the data transaction of monitored area internal information; Processing module is responsible for controlling data and other node data sent that processing operation, storage and the processing of whole sensor node itself gathered, and comprises data security, communication protocol, synchronized positioning, power managed, task management; Wireless communication module is responsible for carrying out radio communication with other sensor node or aggregation node, exchange control messages and transmitting-receiving image data; Power supply module is that sensor node provides operation required power supply.
Adopt the Zigbee agreement to realize wireless networking between described a plurality of wireless sensor node and between wireless sensor node and the aggregation node.
Described data management and analysis platform adopt virtual instrument platform to realize through programming.
Described data management and analysis platform are according to the mechanical fault diagnosis standard; Confirm method for diagnosing faults; And set up feature database, and through the Labview programming data of wireless sensor network transmission are carried out active data and handle, obtain the characteristic parameter of identification mechanical equipment fault; Through the query characteristics storehouse, obtain the running status of plant equipment.
The monitoring parameter of said wireless sensor node comprises oil temperature, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, displacement, speed, acceleration, noise, engine oil pressure, hydraulic transmission oil oil pressure, engine speed and/or the amount of fuel of equipment.
A kind of group of planes state monitoring method based on WSN may further comprise the steps:
One, a plurality of wireless sensor nodes that are installed on the equipment are formed wireless sensor network;
Two, wireless sensor network is connected with aggregation node, and aggregation node is connected with analysis platform with data management;
Three, data management and analysis platform adopt virtual instrument platform; According to the mechanical fault diagnosis standard, confirm method for diagnosing faults, and set up feature database; Through the Labview programming data of wireless sensor network transmission being carried out active data handles; Obtain the characteristic parameter of identification mechanical equipment fault,, obtain the running status of plant equipment through the query characteristics storehouse;
Realize status monitoring through above-mentioned steps to a group of planes.
Adopt between the described wireless sensor node and transmit data along the mode of node hop-by-hop.
The treatment step of described data management and analysis platform is following:
One, raw data acquisition;
Two, data analysis is handled;
Three, carry out the state judgement according to feature database or threshold values;
Four, when meeting failure criterion, alarm then, and feed back to wireless sensor node;
Five, then do not get into storage when meeting failure criterion, for inquiry.
The monitoring parameter of said wireless sensor node comprises oil temperature, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, displacement, speed, acceleration, noise, engine oil pressure, hydraulic transmission oil oil pressure, engine speed and/or the amount of fuel of equipment.
A kind of group of planes condition monitoring system and method that the utility model provides based on WSN; Obtain the work state information of construction equipment and the fault diagnosis system that makes up based on virtual instrument technique accurately through wireless sensor network, can find fault type, position timely, and report to the police at crucial moment; Thereby avoided the not enough and superfluous maintenance of apparatus maintenance; Prolong the useful life of equipment, reduced the apparatus maintenance cost, and guaranteed construction safety.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the system construction drawing of the whole network of a group of planes in the utility model.
Fig. 2 is the structural representation of sensor node in the utility model.
Fig. 3 is the process chart of data collection and analysis platform.
Fig. 4 is a wireless sensor network structure chart in the utility model.
Fig. 5 is ZigBee in the utility model (based on a low-power consumption territory fidonetFido of an IEEE802.15.4 standard) WSN topology diagram.
Fig. 6 is the monitoring facilities figure of five equipment among the utility model embodiment.
Fig. 7 is the monitoring facilities figure of oil temperature among the utility model embodiment.
Fig. 8 is displacement monitoring facilities figure among the utility model embodiment.
Fig. 9 is the utility model embodiment medium velocity monitoring facilities figure.
Figure 10 is an acceleration monitoring program diagram among the utility model embodiment.
Figure 11 is a noise monitoring program diagram among the utility model embodiment.
Figure 12 is oil pressure monitoring facilities figure among the utility model embodiment.
Figure 13 is engine speed monitoring facilities figure among the utility model embodiment.
Figure 14 is the monitoring facilities figure of an equipment among the utility model embodiment.
Figure 15 is a reading and writing data program diagram among the utility model embodiment.
Embodiment
As shown in fig. 1, a kind of group of planes condition monitoring system based on WSN, a plurality of wireless sensor nodes composition wireless sensor networks that are installed on the equipment are connected with aggregation node, and aggregation node is connected with analysis platform with data management;
The data of each wireless sensor node are directly or along the aggregation node that transfers to of node hop-by-hop; Wireless sensor network system is made up of a large amount of sensor nodes, mainly comprises sensor node, (Sensor Node) and aggregation node (Sink Node).A large amount of sensor nodes be deployed at random monitored area (Sensor Field) inner or near, can constitute network through the self-organizing mode.The wireless sensor node data monitored is transmitted along other wireless sensor node hop-by-hop ground; Monitoring Data maybe be by a plurality of node processing in transmission course; Be routed to aggregation node through behind the multi-hop, arrive management and analysis platform through serial line interface or EBI at last.The wireless sensor network architecture is as shown in Figure 4.
Described aggregation node is sensor node that strengthens data processing function or the gateway device that only has wireless communication interface.The disposal ability of aggregation node, storage capacity and the communication capacity wireless sensor node that compares is eager to excel; Aggregation node connects external networks such as wireless sensor network and Internet; Realize the communication Protocol Conversion between two kinds of protocol stacks; The monitoring task of while release management wireless sensor node, and a data forwarding of collecting is to external network.Aggregation node both can be a sensor node with enhancement function, had enough energy to supply with and more internal memory and computational resource, also can be not have monitoring function only to have the special gateway equipment of wireless communication interface.
Be limited by the low-power consumption of ZigBee agreement; The signal transmission distance of wireless sensor node is limited, and it is reliable inadequately only depending on wireless sensor networking, so the utility model has been introduced aggregation node (Sink Node) when networking; Usually aggregation node is arranged in and is easy to obtain continue electric energy; And can receive the position of wireless sensor node data, aggregation node arrives data management and analysis platform through serial line interface or EBI again, thereby has promoted the reliability of whole system.
Described wireless sensor node is made up of sensor assembly, processing module, wireless communication module and energy supply module;
As shown in Figure 2; Sensor assembly is responsible for the collection and the data transaction of monitored area internal information; Processing module is responsible for controlling data and other node data sent that processing operation, storage and the processing of whole sensor node itself gathered, and comprises data security, communication protocol, synchronized positioning, power managed, task management or the like; Wireless communication module is responsible for carrying out radio communication with other sensor node or aggregation node, exchange control messages and transmitting-receiving image data; Power supply module is that sensor node provides operation required power supply, adopts minicell usually.
Wireless sensor node is a miniature embedded system normally, its disposal ability, storage capacity and communication capacity relatively a little less than, through carrying the powered battery of finite energy.See from network function; Each wireless sensor node is taken into account the terminal and the router dual-use function of legacy network node; Except carrying out local information collection and data processing; Also to change data sent and store, manage and processing such as fusion other node, simultaneously and other node cooperation accomplish some particular tasks.
Adopt the Zigbee agreement to realize wireless networking between described a plurality of wireless sensor node and between wireless sensor node and the aggregation node.When being specially each module of setting up wireless sensor network system,, set up RF receiving and transmission module, realize the wireless transmission of data according to the ZigBee consensus standard.According to the type of group of planes monitoring parameter, set up sensor assembly, realize the collection of Monitoring Data.According to the basic handling requirement of Monitoring Data,, set up processor module, as shown in Figure 5 such as data acquisition system etc.
The ZigBee agreement be a kind of emerging closely, low complex degree, low-power consumption, low data rate, radio network technique cheaply, it is a kind of technological motion between radio mark technology and bluetooth.Being mainly used near radio connects.It coordinates to realize communication each other according to the 802.15.4 standard between thousands of small transducers.These transducers only need energy seldom, through radio wave data are passed to another transducer from a transducer with the mode of relay, so their communication efficiency is very high.
The ZigBee standard has been expanded network layer and application layer framework on the basis of the physical layer of 802.15.4 and media access control sublayer.Network layer mainly is responsible for the converging of business data flow, device discovery, service discovery, safety and authentication etc.Application layer mainly contains three parts: the Using P rofile of the APS that is connected with network layer, ZDO, device.
In networking, ZigBee mainly adopts three kinds of networking modes: star network, tree network, mesh network.
Generally speaking, along with the increase of communication distance, the complexity of equipment, power consumption and system cost are all increasing.With respect to existing various wireless communication technologys, the ZigBee technology will be lowest power consumption and cost techniques.Simultaneously because the low data rate and the communication range features of smaller of zigBee technology have also determined the ZigBee technology to be suitable for carrying the less business of data traffic.
Wireless sensor network in the present embodiment is based on commercially available GAINSJ node platform; Mainly be to adopt various kinds of sensors; Like Wen Du ﹑ Su Du ﹑ Jia Su Du ﹑ pressure sensor etc. each state parameter of construction machinery is carried out data acquisition; Form the Mesh network after the intact data of each node collection, transfer to the storage of data management and analysis platform at last and analyze data.The Temperature Humidity Sensor that present embodiment carries with the GAINSJ node carries out the humiture monitoring.
The GAINSJ node adopts the ZigBee communication standard.Three kinds of device types have been defined in the ZigBee standard, i.e. coordinator unit (Coordinator) ﹑ routing device (Router) and terminal equipment (Enddevice).Its effect is respectively coordinator node and initiates network; Wait for the adding of routing device or terminal node; Routing device communicates as the repeater between the remote equipment, also can be used as the father node of route or terminal node, and can transmit data; Terminal node can only add network as leaf node, does not possess the ability of transmitting data.There is not terminal node in this module, so form Mesh network as shown in Figure 5, promptly special network structure.
Sensing data on the regular collection plate of router device in this Mesh net, and send through radio frequency, if Coordinator not in its single-hop overlay area, can pass through other router node forwarding informations.16 short addresses of source device that comprise this frame in the data of transmission, the Shi Du ﹑ temperature of equipment upper sensor, and the current battery voltage value of equipment.These data all send to the GAINSJ backstage iSnamp-J on the PC by telegon (Coordinator) node through Serial Port Line, on the backstage, sensing data are carried out visualized operation.
In Fig. 6-Figure 15, described data management and analysis platform adopt virtual instrument platform to realize through programming.
The monitoring parameter of said wireless sensor node comprises oil temperature, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, displacement, speed, acceleration, noise, engine oil pressure, hydraulic transmission oil oil pressure, engine speed and/or the amount of fuel of equipment.
Status monitoring part in the utility model mainly is to utilize virtual instrument platform.According to mechanical fault diagnosis theoretical method and standard, confirm method for diagnosing faults, and set up feature database.Through the Labview programming data of wireless sensor network transmission are carried out active data and handle, obtain the characteristic parameter of identification mechanical equipment fault,, obtain the running status of plant equipment through the query characteristics storehouse.The flow chart of data collection and analysis platform is as shown in Figure 3.
A kind of group of planes state monitoring method based on WSN may further comprise the steps:
One, a plurality of wireless sensor nodes that are installed on the equipment are formed wireless sensor network;
Specific as follows:
At first; According to construction equipment common faults form; Confirm construction equipment monitoring position and parameter, mainly be vibration and noise etc. some have the general physical parameter of international standard, and these physical parameters are converted into the signal of telecommunication through transducer; Character according to acquisition parameter is added signal pre-processing module, the parameter value that obtains gathering.
In order to monitor the operation conditions of construction equipment in real time, must confirm tested physical parameter, so that select for use right sensors that trouble location is detected to easy trouble location, the type that occurs of job site equipment operation.
Having worked out a series of in the world is the international standard of weighing machine state with the vibratory output, and China has also worked out corresponding national standards with reference to international standard.The physical quantity of evaluation machine vibration state can be: vibration acceleration, vibration velocity and vibration displacement.Generally speaking, at lower frequency region (below the 10Hz), as vibration standard, mainly detect the vibration of axle with displacement; Frequency domain (10-1000Hz) mainly detects the vibration of swiveling construction machine with the foundation of certain speed level as diagnosis; At high frequency region (more than the 1000Hz), then, mainly detect the vibration that bearing and gear defects cause with the standard of acceleration as judgement.
Simultaneously, in order to satisfy environmental protection, driver's hearing protection and to consider the state of the art of domestic engineering goods, the GB16710.1-1996 standard code the minimum index of China's construction machinery product noise.Here with reference to GB16710.1-1996 canonical measure engineering machinery external radiation noise level limit.
Construction machinery also need carry out monitoring to hydraulic system, engine, drive system, cooling system and complete machine state in running, and judges the tested anomaly that measures of corresponding site automatically, adopts different modes to report to the police.In actual monitoring, to select relevant with it monitoring parameter to specific monitoring target.
The duty parameters such as engine oil pressure, lubricating system oil pressure, oil temperature, hydraulic fluid temperature, torque-converters oil temperature, cooling water temperature, engine speed, amount of fuel that utilize construction machinery are as the monitoring record object, investigation construction machinery and the state variation of engine and the rule of variation.
Two, wireless sensor network is connected with aggregation node, and aggregation node is connected with analysis platform with data management;
Three, data management and analysis platform adopt virtual instrument platform; According to the mechanical fault diagnosis standard, confirm method for diagnosing faults, and set up feature database; Through the Labview programming data of wireless sensor network transmission being carried out active data handles; Obtain the characteristic parameter of identification mechanical equipment fault,, obtain the running status of plant equipment through the query characteristics storehouse;
Utilize virtual instrument software platform, set up data management and analysis platform, the data that can collect wireless sensor network comparatively intuitively show, analyze, store, so that analyzing failure cause.Design program through virtual instrument system, in this example with state informations such as the vibration of monitoring five construction equipments, noise, temperature, pressure, and alarm indication.Its software program flow chart is as shown in Figure 6:
In this example, data management and analysis platform module can realize to five construction equipments oil temperature, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, displacement, speed, acceleration, noise, engine oil pressure, hydraulic transmission oil oil pressure, engine speed, amount of fuel is monitored in real time and analyze.Design the program diagram of each monitoring parameter respectively.
The monitoring facilities of oil temperature, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, it mainly realizes the waveform of these four kinds of temperature and numerical value are shown.The user can revise input parameter voluntarily, when show value when setting limit value, corresponding alarm lamp brightens.Then, this is programmed to a sub-virtual instrument (LabVIE is called for short VI), so that call when designing a monitoring of equipment program.As shown in Figure 7.In this module, the temperature signal of gathering is shown, amplifies, the user can revise each parameter value voluntarily.When temperature surpassed setting numerical value, corresponding alarm lamp brightened.
The displacement monitoring program mainly realize displacement waveform demonstration, filtering, windowing, minimize, maximizing, ask root-mean-square value.The user can revise input parameter voluntarily, and when output displacement during greater than the limit value set, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.As shown in Figure 8.
The speed monitoring program mainly realize speed waveform demonstration, filtering, windowing, ask amplitude, ask phase place.The user can revise input parameter voluntarily, and when output speed during greater than the limit value set, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.As shown in Figure 9.
The acceleration monitoring program mainly realize acceleration waveform demonstration, filtering, windowing, ask amplitude, ask phase place.The user can revise input parameter voluntarily, and when output acceleration during greater than the limit value set, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.Shown in figure 10.
The noise monitoring program mainly realize speed waveform demonstration, filtering, windowing, ask power spectrum.The user can revise input parameter voluntarily, and when output noise during greater than the limit value set, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.Shown in figure 11.
Engine oil pressure, hydraulic transmission oil oil pressure monitoring facilities mainly realize two kinds of pressure waveform demonstration, filtering, ask arithmetic mean, ask kurtosis, ask intermediate value, maximizing.The user can revise input parameter voluntarily, when output pressure greater than corresponding when setting limit value, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.Shown in figure 12.
The engine speed monitoring facilities mainly realize engine speed waveform demonstration, filtering, windowing, ask amplitude spectrum, ask phase spectrum.The user can revise input parameter voluntarily, and when output speed during greater than the limit value set, alarm lamp is bright.Then, this is programmed to a sub-VI, so that call when designing a monitoring of equipment program.Shown in figure 13.
Amount of fuel monitoring facilities major function is to prescribe a time limit less than setting down when oil mass, and alarm lamp is bright; When oil mass is zero, this equipment autostop.
Call whole signal monitoring program diagrams that above-mentioned preceding 7 types of sub-VI make an equipment, monitoring and signal processing when mainly realizing the whole signal of equipment.Then, this is programmed to a sub-VI, shown in figure 14, so that call when designing five monitoring of equipment programs.
Design data writes table procedure figure, and major function is that a two-dimensional array is write an Excel form, and sets up the table access path.Then, this is programmed to a sub-VI, so that call when designing five monitoring of equipment programs.Shown in figure 15.
Sub-VI of whole signal monitoring program diagrams and the data of calling an equipment write the sub-VI of form, and have added the While loop structure, monitoring, analyzing and processing when having realized five all signals of equipment, real-time, continuous acquisition, storage.When human observer finds that catastrophe failure need be shut down, press corresponding STOP key, can realize the shutdown operation of this equipment.The monitoring facilities figure of five equipment sees Fig. 6.
In addition, data management and analysis platform have also designed the data read program fetch.It can read three-dimensional data.When human observer need be checked historical Monitoring Data, only need to select correct path to get final product.
This powerful programming of the utility model combining with wireless sensor network and virtual instrument and analysis tool have been designed the group of planes monitor architecture based on wireless sensor network.
Specifically as shown in Figure 3, the treatment step of described data management and analysis platform is following:
One, raw data acquisition;
Two, data analysis is handled;
Three, carry out the state judgement according to feature database or threshold values;
Four, when meeting the established standards that fault perhaps is called incident; Alarm then; And feed back to wireless sensor node, for the equipment of automatic control, this feedback data also can be used as the signal of automatic control; The for example frequency change control signal of motor, perhaps the proportioning valve opening control signal of hydraulic oil;
Five, then get into storage when the data that do not meet fault or be called the event setup standard, through Network Transmission to client for inquiry.
Realize status monitoring through above-mentioned steps to a group of planes.
The remote condition monitoring of the group of planes that construction machinery is formed and diagnosis have the characteristics of dispersiveness, flowability, make that the real-time monitoring of this kind equipment and remote diagnosis are quite difficult.This project is intended research and how to be utilized wireless sensor network technology to build a construction equipment monitoring system based on wireless sensor network, and further studies the mode of operation and the framework theory of the wireless sensor network that is suitable for the construction equipment condition monitoring.
Can predict, have only the work state information that obtains construction equipment accurately, could possibility be provided for follow-up failure diagnosis, maintenance decision and based on the expert diagnosis of the Internet.
Selected a plurality of construction equipments are used to set up sensor network; Each sensor network disposition is used for sensor node and dedicated gateway nodes such as temperature, pressure, vibration, moment of torsion, power monitoring; And build transmission network and be connected to the Internet; And the data that collect are managed and analyze, to know the state of construction equipment.
The utility model is primarily aimed at the monitoring of construction equipment running status, and wherein data acquisition module is realized through building wireless sensor network.Implementation procedure is: the state information of gathering construction equipment through sensor node; Transmit data to aggregation node through wireless sensor network; Through the RS232 serial line interface data are sent to data management and analysis platform by aggregation node again, supply human observer to observe, analyze.Predictable, it also is feasible that the data that monitoring running state obtained are thus carried out intelligentized automatic control.
The utility model has adopted active data analysis and processing method to different acquired signal.Particularly the utility model data processing function performance and convenient interface intuitively of having utilized the Labview platform built data management and analysis platform, realized the Monitoring and Controlling more easily to system.
Claims (6)
1. group of planes condition monitoring system based on WSN is characterized in that: be installed on a plurality of wireless sensor nodes on the equipment and form wireless sensor networks and be connected with aggregation node, aggregation node is connected with analysis platform with data management;
The data of each wireless sensor node are directly or along the aggregation node that transfers to of node hop-by-hop;
Described aggregation node is sensor node that strengthens data processing function or the gateway device that only has wireless communication interface.
2. a kind of group of planes condition monitoring system according to claim 1 based on WSN, it is characterized in that: described wireless sensor node is made up of sensor assembly, processing module, wireless communication module and energy supply module;
Sensor assembly is responsible for the collection and the data transaction of monitored area internal information; Processing module is responsible for controlling data and other node data sent that processing operation, storage and the processing of whole sensor node itself gathered, and comprises data security, communication protocol, synchronized positioning, power managed, task management; Wireless communication module is responsible for carrying out radio communication with other sensor node or aggregation node, exchange control messages and transmitting-receiving image data; Power supply module is that sensor node provides operation required power supply.
3. a kind of group of planes condition monitoring system based on WSN according to claim 1 is characterized in that: adopt the Zigbee agreement to realize wireless networking between described a plurality of wireless sensor nodes and between wireless sensor node and the aggregation node.
4. a kind of group of planes condition monitoring system based on WSN according to claim 1 is characterized in that: described data management and analysis platform adopt virtual instrument platform to realize through programming.
5. a kind of group of planes condition monitoring system according to claim 4 based on WSN; It is characterized in that: described data management and analysis platform are according to the mechanical fault diagnosis standard, confirm method for diagnosing faults, and set up feature database; Through the Labview programming data of wireless sensor network transmission being carried out active data handles; Obtain the characteristic parameter of identification mechanical equipment fault,, obtain the running status of plant equipment through the query characteristics storehouse.
6. a kind of group of planes condition monitoring system based on WSN according to claim 5 is characterized in that: the monitoring parameter of said wireless sensor node comprises the oil temperature of equipment, cooling water temperature, torque-converters oil temperature, the oily temperature of hydraulic oil, displacement, speed, acceleration, noise, engine oil pressure, hydraulic transmission oil oil pressure, engine speed and/or amount of fuel.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930864A (en) * | 2012-11-26 | 2013-02-13 | 江苏物联网研究发展中心 | Sound networking voice information keyword mining system based on child nodes |
| US10931551B2 (en) | 2018-05-31 | 2021-02-23 | Abb Power Grids Switzerland Ag | Condition monitoring of wireless networks in industrial plants |
| CN117596297A (en) * | 2024-01-17 | 2024-02-23 | 中国海洋大学 | Complex virtual instrument software aggregation method |
| CN117596297B (en) * | 2024-01-17 | 2024-04-19 | 中国海洋大学 | Complex virtual instrument software aggregation method |
-
2011
- 2011-11-22 CN CN2011204668714U patent/CN202334597U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102930864A (en) * | 2012-11-26 | 2013-02-13 | 江苏物联网研究发展中心 | Sound networking voice information keyword mining system based on child nodes |
| US10931551B2 (en) | 2018-05-31 | 2021-02-23 | Abb Power Grids Switzerland Ag | Condition monitoring of wireless networks in industrial plants |
| CN117596297A (en) * | 2024-01-17 | 2024-02-23 | 中国海洋大学 | Complex virtual instrument software aggregation method |
| CN117596297B (en) * | 2024-01-17 | 2024-04-19 | 中国海洋大学 | Complex virtual instrument software aggregation method |
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