CN108462974A - Failure management method in wireless sensor node and device - Google Patents
Failure management method in wireless sensor node and device Download PDFInfo
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- CN108462974A CN108462974A CN201810255752.0A CN201810255752A CN108462974A CN 108462974 A CN108462974 A CN 108462974A CN 201810255752 A CN201810255752 A CN 201810255752A CN 108462974 A CN108462974 A CN 108462974A
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- 238000007726 management method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 238000004891 communication Methods 0.000 claims abstract description 22
- 230000000737 periodic effect Effects 0.000 claims abstract description 13
- 230000004913 activation Effects 0.000 claims description 12
- 230000006855 networking Effects 0.000 claims description 8
- 230000008439 repair process Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000009414 blockwork Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of failure management method in wireless sensor node is based on following device：Sensor unit, Zigbee transceiver modules and controller；Sensor unit acquires sensing data, collected data is sent to controller, gathered data is sent to Zigbee transceiver modules by controller, and Zigbee transceiver modules send gathered data by way of Zigbee wireless communications；It is additionally provided with GPRS transceiver modules, fault detection module, state handover module, whether fault detection module periodic detection Zigbee transceiver modules work normally, if detecting that Zigbee transceiver modules work normally, then fault detection module continues periodic detection, and send state Normal Feedback signal to controller, if detecting that Zigbee transceiver modules break down, fault detection module sends fault-signal to controller.
Description
Technical field
The present invention relates to the failure management methods in wireless sensor node more particularly to wireless sensor node.
Background technology
In the wireless sensor network of the prior art, wireless sensor node generally use GPRS module and administrative center into
Row communication, is sent to administrative center by gathered data and is analyzed and handled.It is communicated since GPRS communications need to establish with base station
Connection, the network structure being related to is complex, therefore establishes communication connection and maintain the power consumption needed for communication higher.And
The wireless sensor node in field is usually powered with battery system, and battery capacity is limited, and power saving is to ensure that sensor node is long-term
An important factor for effectively working.
It is adopted to solve the above problems, proposing that one kind (MESH) networking in a manner of Zigbee is reported instead of GPRS in the prior art
Collect the wireless sensor network of data.ZigBee technology is the low-power consumption LAN protocol based on IEEE802.15.4 standards,
Feature is low complex degree, and low-power consumption is to be used for remote control field, can be embedded in various equipment.Although Zigbee wireless sensings
Device node has the advantages that power saving, but when Zigbee communication module breaks down, then can not in time pass through fault message
Zigbee communication network is reported to administrative center, and the prior art only focus on sensor itself and gathered data whether occur it is different
Often, whether and to be not concerned with communication module normal.Also, when Zigbee communication module failure, sensor node is still in acquisition number
According to the data acquired at this time can not be reported to administrative center through Zigbee communication network, require to be real due to many gathered datas
When, therefore can not the gathered data of real-time report be meaningless.And wireless sensor node is often distributed in wider
In geographic range, maintenance personal from failure is found to completing time long to the maintenance needs of Zigbee communication module,
In this period, skimble-skamble data acquisition has consumed a large amount of electric energy.
Invention content
In order to solve the above technical problems, present invention aims at the fault management sides in a kind of wireless sensor node of offer
Method and device, another object of the present invention is to provide a kind of wireless sensor network, including it is multiple as described in claim 1
Wireless sensor node, further includes Zigbee-GPRS gateways and administrative center, with Zigbee between each wireless sensor node
Mode realizes networking.
The technical scheme is that：A kind of failure management method in wireless sensor node is based on following device：Sensing
Device unit, Zigbee transceiver modules and controller, wherein sensor unit acquires sensing data, by collected data
Be sent to controller, gathered data is sent to Zigbee transceiver modules by controller, Zigbee transceiver modules by Zigbee without
The mode of line communication sends gathered data, it is characterised in that：It is additionally provided with GPRS transceiver modules, fault detection module, state switching
Module, whether fault detection module periodic detection Zigbee transceiver modules work normally, if detecting Zigbee transceiver modules
Normal work, then fault detection module continues periodic detection, and sends state Normal Feedback signal to controller, if detected
Zigbee transceiver modules break down, then fault detection module sends fault-signal to controller, and controller receives fault-signal
Afterwards, activation signal is sent to GPRS transceiver modules, while the order that is stopped, GPRS transceiver modules is sent to state handover module
After receiving activation signal, GPRS network is accessed, sends fault message to administrative center, state handover module is stopped receiving
After order, sensor unit is made to be stopped.
Further, controller sends work order when receiving state Normal Feedback signal to state handover module.
Further, state handover module is the switch being located on the power supply circuit of sensor unit, is ordered when receiving work
When enabling, switch conduction, make power supply to sensor unit power, when receive be stopped order when, switch disconnect, so that power supply is stopped
It powers to sensor unit.
Further, wireless sensor node includes alarm lamp, when fault detection module detects that Zigbee is received and dispatched
When module breaks down, alarm lamp flicker.
Further, fault message includes fault time, the ID of the wireless sensor node of failure or geographical location
Deng.
Another object of the present invention is to provide a kind of failure management method of wireless sensor network, including it is multiple described
Wireless sensor node, further include Zigbee-GPRS gateways and administrative center, between each wireless sensor node with
Zigbee modes realize that networking, wireless sensor node acquire sensing data, then by way of Zigbee wireless communications
Gathered data is wirelessly transmitted to Zigbee-GPRS gateways, the Zigbee-GPRS gateways execute data conversion, by Zigbee
Data are converted to the data that suitable GPRS modes are sent, and access GPRS network, and gathered data is sent to administrative center.
Further, the networking mode of multiple wireless sensor nodes is star-like, chain or heterogeneous network structure.
Further, administrative center is provided with GPRS servers and user interface, shows fault message on a user interface.
The present invention's also provides a kind of working method of wireless sensor node, which is characterized in that includes the following steps：
A. whether fault detection module periodic detection Zigbee transceiver modules work normally, if detecting that Zigbee is received and dispatched
Module works normally, then carries out step b, otherwise carries out step c；
B. fault detection module continues periodic detection, and sends state Normal Feedback signal to controller, and controller is to shape
State handover module sends work order, makes sensor unit gathered data；
C. fault detection module sends fault-signal to controller, and after controller receives fault-signal, mould is received and dispatched to GPRS
Block sends activation signal, while sending the order that is stopped to state handover module；
After d.GPRS transceiver modules receive activation signal, GPRS network is accessed, fault message is sent to administrative center；
E. state handover module makes sensor unit be stopped, waits to be repaired after receiving and being stopped order；
F. after completing to repair, restarting, return to step a.
Further, in step b, after completing acquisition, collected data are sent to controller, controller will acquire number
According to Zigbee transceiver modules are sent to, Zigbee transceiver modules send gathered data by way of Zigbee wireless communications.
Advantageous effect：Scheme based on the application can switch to spare communication module in Zigbee communication module failure
To report fault message, it is simultaneously stopped gathered data, to realize reporting in time for fault message, while there is lower energy
Consumption.Whether worked normally above by first detection Zigbee transceiver modules, in the case where Zigbee transceiver modules work normally
Promote the mode of sensor unit gathered data again, sensor cell can be made to stop work when Zigbee transceiver modules are abnormal
Make, reduces power consumption；Such sequencing can make the data that acquisition reports have more real-time simultaneously.The side of the application
Case can switch to spare communication module to report fault message in Zigbee communication module failure, be simultaneously stopped gathered data,
To realize reporting in time for fault message, while there is lower energy consumption.
Description of the drawings
Fig. 1 is the schematic diagram of the wireless sensor network of the present invention.
Fig. 2 is the schematic diagram of the structure of the wireless sensor node of the present invention.
Fig. 3 is the work flow diagram of the wireless sensor node of the present invention.
Specific implementation mode
The technical solution further illustrated the present invention below in conjunction with Figure of description and specific embodiment.It should be appreciated that this
The described specific embodiment in place is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, the wireless sensor network of the present invention includes multiple wireless sensor nodes, Zigbee-GPRS nets
It closes, administrative center.Realize that networking, networking mode can be star-like, chains between each wireless sensor node in a manner of Zigbee
Type or heterogeneous network structure.Wireless sensor node acquires sensing data, then by way of Zigbee wireless communications
Gathered data is wirelessly transmitted to Zigbee-GPRS gateways.The Zigbee-GPRS gateways execute data conversion, by Zigbee
Data are converted to the data that suitable GPRS modes are sent, and access GPRS network, and gathered data remote-wireless is sent to pipe
Reason center.Administrative center is provided with GPRS servers and user interface (not shown).
Fig. 2 shows the concrete structure of wireless sensor node.Wireless sensor node 10 includes sensor unit,
Zigbee transceiver modules, GPRS transceiver modules, fault detection module, state handover module and controller.
Sensor unit acquires sensing data, and collected data are sent to the caching (not shown) of controller, controls
Gathered data in caching is sent to Zigbee transceiver modules by device processed, and Zigbee transceiver modules are wirelessly communicated by Zigbee
Gathered data is sent to Zigbee-GPRS gateways by mode.
Whether fault detection module periodic detection Zigbee transceiver modules work normally.If detecting that Zigbee receives and dispatches mould
Block works normally, then fault detection module continues periodic detection, and it refers to that cannot normally receive or transmission data that can work normally,
It refer to periodically 1 minute；And state Normal Feedback signal is sent to controller, controller sends work life to state handover module
It enables, makes sensor unit gathered data.If detecting that Zigbee transceiver modules break down, fault detection module is to control
Device sends fault-signal.After controller receives fault-signal, activation signal is sent to GPRS transceiver modules, while switching to state
Module sends the order that is stopped.
After GPRS transceiver modules receive activation signal, GPRS network is accessed, sends fault message to administrative center, and in pipe
Fault message is shown in the user interface at reason center.Fault message may include fault time, the wireless sensor of failure
The ID of node or geographical location etc..Maintenance personal can repair to scene as early as possible after seeing fault message.
Preferably, wireless sensor node can also include alarm lamp (not shown).When fault detection module is examined
When measuring the failure of Zigbee transceiver modules, alarm lamp flicker.In this way, maintenance personal can easily have found event
Hinder equipment.
State handover module makes sensor unit be stopped after receiving and being stopped order.Specifically, state is cut
It can be the switch being located on the power supply circuit of sensor unit to change the mold block, and when receiving work order, switch conduction makes power supply
It powers to sensor unit.When receive be stopped order when, switch disconnect, make power supply stop to sensor unit power.
Fig. 3 shows the workflow of wireless sensor node.
First, whether fault detection module periodic detection Zigbee transceiver modules work normally.
If detecting that Zigbee transceiver modules work normally, fault detection module continues periodic detection, and to control
Device sends state Normal Feedback signal, and controller sends work order to state handover module, makes sensor unit gathered data.
After completing acquisition, collected data are sent to controller, gathered data is sent to Zigbee transceiver modules by controller,
Gathered data is sent to Zigbee-GPRS gateways by Zigbee transceiver modules by way of Zigbee wireless communications.
If detecting that Zigbee transceiver modules break down, fault detection module sends fault-signal to controller.
After controller receives fault-signal, activation signal is sent to GPRS transceiver modules, while being sent to state handover module and stopping work
It orders.
After GPRS transceiver modules receive activation signal, GPRS network is accessed, sends fault message to administrative center, and in pipe
Fault message is shown in the user interface at reason center.
State handover module makes sensor unit be stopped, waits to be repaired after receiving and being stopped order.
After maintenance personal completes to repair, restarting returns to initial step.
Whether worked normally above by first detection Zigbee transceiver modules, in the feelings of Zigbee transceiver modules normal work
Promote the mode of sensor unit gathered data under condition again, when Zigbee transceiver modules are abnormal sensor cell can be stopped
It only works, reduces power consumption；Such sequencing can make the data that acquisition reports have more real-time simultaneously.
Above, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, it should be noted that not taking off
In the case of range from the described aspect and/or embodiment that are such as defined by the appended claims, various changes can be carried out
Shape and modification.
Claims (9)
1. the failure management method in a kind of wireless sensor node, it is characterized in that being based on following device：Sensor unit,
Zigbee transceiver modules and controller, wherein sensor unit acquires sensing data, and collected data are sent to control
Gathered data is sent to Zigbee transceiver modules by device processed, controller, and Zigbee transceiver modules are wirelessly communicated by Zigbee
Mode sends gathered data；It is additionally provided with GPRS transceiver modules, fault detection module, state handover module, fault detection module is fixed
Whether phase detection Zigbee transceiver modules work normally, if detecting that Zigbee transceiver modules work normally, fault detect
Module continues periodic detection, and sends state Normal Feedback signal to controller, if detecting that Zigbee transceiver modules occur
Failure, then fault detection module is to controller transmission fault-signal, after controller receives fault-signal, to GPRS transceiver modules hair
Activation signal is sent, while the order that is stopped is sent to state handover module, after GPRS transceiver modules receive activation signal, access
GPRS network sends fault message to administrative center, and state handover module makes sensor unit after receiving and being stopped order
It is stopped.
2. the failure management method in wireless sensor node according to claim 1, it is characterized in that fault message includes
Fault time, the ID of the wireless sensor node of failure or geographical location.
3. the failure management method in wireless sensor node according to claim 1, it is characterized in that controller is receiving
When to state Normal Feedback signal, work order is sent to state handover module.
4. the failure management method in wireless sensor node according to claim 1, it is characterized in that state handover module
It is the switch being located on the power supply circuit of sensor unit, when receiving work order, switch conduction makes power supply to sensor list
Member power supply, when receive be stopped order when, switch disconnect, make power supply stop to sensor unit power.
5. the failure management method in wireless sensor node according to claim 1, it is characterized in that wireless sensor node
Point includes alarm lamp, when fault detection module detects that Zigbee transceiver modules break down, alarm lamp flicker.
6. the failure management method in a kind of wireless sensor node according to claim 1, it is characterized in that being applied to nothing
Line sensor network, wireless sensor network include multiple wireless sensor nodes, further include Zigbee-GPRS gateways and management
Center realizes that networking, wireless sensor node acquire sensing data between each wireless sensor node in a manner of Zigbee,
Then gathered data is wirelessly transmitted to Zigbee-GPRS gateways, the Zigbee- by way of Zigbee wireless communications
GPRS gateways execute data conversion, Zigbee data are converted to the data that suitable GPRS modes are sent, and access GPRS network,
Gathered data is sent to administrative center.
7. the failure management method in a kind of wireless sensor node according to claim 6, it is characterized in that multiple wireless
The networking mode of sensor node is star-like, chain or heterogeneous network structure；Administrative center is provided with GPRS servers and use
Family interface, shows fault message on a user interface.
8. a kind of wireless sensor node failure management method according to claim 6, it is characterized in that including the following steps：
A. whether fault detection module periodic detection Zigbee transceiver modules work normally, if detecting Zigbee transceiver modules
Normal work, then carry out step b, otherwise carries out step c；
B. fault detection module continues periodic detection, and sends state Normal Feedback signal to controller, and controller is cut to state
It changes the mold block and sends work order, make sensor unit gathered data；
C. fault detection module sends fault-signal to controller, after controller receives fault-signal, is sent out to GPRS transceiver modules
Activation signal is sent, while the order that is stopped is sent to state handover module；
After d.GPRS transceiver modules receive activation signal, GPRS network is accessed, fault message is sent to administrative center；
E. state handover module makes sensor unit be stopped, waits to be repaired after receiving and being stopped order；
F. after completing to repair, restarting, return to step a.
9. a kind of wireless sensor node failure management method according to claim 6 is completed it is characterized in that in step b
After acquisition, collected data are sent to controller, gathered data is sent to Zigbee transceiver modules, Zigbee by controller
Transceiver module sends gathered data by way of Zigbee wireless communications.
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| CN201810255752.0A CN108462974A (en) | 2018-03-27 | 2018-03-27 | Failure management method in wireless sensor node and device |
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| CN201810255752.0A CN108462974A (en) | 2018-03-27 | 2018-03-27 | Failure management method in wireless sensor node and device |
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Cited By (2)
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| CN109727440A (en) * | 2019-02-15 | 2019-05-07 | 天地科技股份有限公司 | A kind of wireless sensor |
| CN110234089A (en) * | 2019-06-04 | 2019-09-13 | 苏州经贸职业技术学院 | A kind of wireless sensor network system and collecting method |
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