Invention content
In view of the defects existing in the prior art, the present invention provides a kind of radio remote and is received apart from the parallel bridge monitoring data of multifrequencyCollecting system and method can effectively solve the above problems.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of radio remote apart from the parallel bridge monitoring data gathering system of multifrequency, including：Wireless data is wholeEnd and multifrequency parallel data collect gateway；The arrangement quantity of the wireless data terminal is M, and M is natural number；Each nothingLine data terminal is connected with several monitoring sensors for being arranged in bridge, and the monitoring sensor is used to acquire the bridge of bridgeMonitoring data, and the bridge monitoring data are transferred to the wireless data terminal；The multifrequency parallel data collects gatewayIt is connect with the M wireless data terminals by wireless communication, each wireless data terminal is simultaneously about to the bridgeMonitoring data are uploaded to the multifrequency parallel data and collect gateway.
Preferably, the multifrequency parallel data collects gateway and the M wireless data terminals pass through internet of things LoRaConnection.
Preferably, transparent relay is further included；Transparent relay is connected to wireless data terminal and multifrequency parallel data collecting netBetween pass.
The present invention also provides a kind of radio remote based on radio remote apart from the parallel bridge monitoring data gathering system of multifrequency away fromFrom the parallel bridge monitoring method of data capture of multifrequency, include the following steps：
Step 1, multifrequency parallel data collects gateway and collects gateway ontology and M roads LoRa routings including multifrequency parallel dataModule；Multifrequency parallel data collects gateway ontology definition N roads LoRa frequency points, No. 0 uplink frequency point and No. 0 downlink frequency point；Wherein,N roads LoRa frequency points are respectively No. 1 frequency point, No. 2 frequency points ..., N frequency points；No. 0 uplink frequency point is special frequency point, is defined as wirelessData terminal shuts report log-on message to multifrequency parallel data collecting net and reports frequency point used in anomalous event；No. 0 downlink frequencyPoint is fixed frequency point, is defined as multifrequency parallel data collection gateway and issues frequency point configuration information and task to wireless data terminalFrequency point used in information；Wherein, the frequency point configuration information refers to the value of frequency point of N roads LoRa frequency points and multifrequency parallel data collecting netClose the best LoRa value of frequency point that ontology is selected based on load balancing from the LoRa frequency points of N roads；N roads LoRa frequency points are defined as countingAccording to the special frequency point of collection；
Step 2, for wireless data terminal, the course of work is：Wireless data terminal after the power is turned on, it is whole to read wireless dataHold address information and the address information of the monitoring sensor of itself connection；Then, wireless data terminal passes through on dedicated No. 0Line frequency point collects gateway to multifrequency parallel data and sends log-on message, in the log-on message with carrying the wireless data terminalThe address information of location information and the monitoring sensor of itself connection；
Then, wireless data terminal continues in No. 0 downlink frequency point reception state, and whether monitoring receives multifrequency parallel dataCollect frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, in the frequency point configuration informationInclude best LoRa value of frequency point；If received, the registered success of wireless data terminal is represented；Then, wireless data terminal rootAccording to received task information, bridge state acquisition work is carried out by monitoring sensor accordingly, when wireless data endAfter end gets required bridge monitoring data, wireless data terminal works in best LoRa value of frequency point, passes through best LoRa frequenciesPoint shuts report bridge monitoring data to multifrequency parallel data collecting net；Then, wireless data terminal switchs to continue in No. 0 downlink frequencyPoint reception state is monitored and whether receives the new task letter that multifrequency parallel data collection gateway is issued by No. 0 downlink frequency pointBreath；In wireless data terminal whole work process, once wireless data terminal detects anomalous event, wireless data terminal is stoodNo. 0 uplink frequency point is worked in, and passes through No. 0 uplink frequency point and actively shuts report anomalous event to multifrequency parallel data collecting net；
Gateway is collected for multifrequency parallel data, the course of work is：
Gateway is collected for multifrequency parallel data, there is M roads LoRa routing modules, for each LoRa routing modules, toolAvailable free state, data receiving state and data distributing state；When the LoRa routing modules are in idle condition, institute is configuredIt states LoRa routing modules and works in No. 0 uplink frequency point reception state, for receiving the abnormal thing of wireless data terminal initiation at any timePart reports information and log-on message；
Come from same wireless data terminal when being received there are two more than LoRa routing modules by No. 0 uplink frequency pointDuring the log-on message reported, multifrequency parallel data collects gateway ontology and is based on preset priority rule, from more than two LoRaA best LoRa routing module is selected in routing module, meanwhile, multifrequency parallel data collects gateway ontology and is based on loadWeighing apparatus strategy, selects best LoRa value of frequency point, then, by best LoRa routing modules to institute from No. 1 frequency point to N frequency pointsIt states log-on message to be responded, if registered through, best LoRa routing modules are operated in No. 0 downlink frequency point first, and pass through 0Number downlink frequency point issues the frequency point configuration information and task for carrying best LoRa value of frequency point to corresponding wireless data terminalInformation；Then, best LoRa routing modules switch to data receiving state, and work in the corresponding best frequency of best LoRa value of frequency pointPoint waits for corresponding wireless data terminal to report bridge monitoring data by best LoRa frequency points, is achieved in data acquisition work(Energy；After data acquire successfully, best LoRa routing modules are switched to No. 0 uplink frequency point reception state, for receiving nothing at any timeThe anomalous event that line data terminal is initiated reports information and log-on message.
Preferably, the preset priority rule refers to：It is initially received the log-on message that wireless data terminal reportsThe highest priority of LoRa routing modules.
Preferably, for transparent relay, the course of work is：
Transparent relay collects gateway with multifrequency parallel data simultaneously and each wireless data terminal is connect；Transparent relay is configuredM+2 roads trunking traffic module；
After transparent relay power-up initializing, each wireless data terminal address information is read, each wireless data terminal connectsThe monitoring address information of sensor and transparent relay address information connect；Then, transparent relay passes through dedicated No. 0 upper line frequencyPoint collects gateway to multifrequency parallel data and sends log-on message, and each wireless data terminal address letter is carried in the log-on messageBreath, the monitoring address information of sensor of each wireless data terminal connection and transparent relay address information；
Then, transparent relay continues in No. 0 downlink frequency point reception state, and whether monitoring receives the collection of multifrequency parallel dataThe frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, it is included in the frequency point configuration informationBest LoRa value of frequency point；If received, the registered success of transparent relay is represented；Then, transparent relay is appointed according to what is receivedBusiness information carries out bridge state acquisition work, when the transparent relay gets required bridge by monitoring sensor accordinglyAfter beam monitoring data, transparent relay works in best LoRa value of frequency point, is collected by best LoRa frequency points to multifrequency parallel dataGateway reports bridge monitoring data；Then, transparent relay switchs to continue in No. 0 downlink frequency point reception state, and whether monitoring receivesThe new mission bit stream issued to multifrequency parallel data collection gateway by No. 0 downlink frequency point；It is entirely worked in transparent relayCheng Zhong, once transparent relay detects anomalous event, transparent relay works in No. 0 uplink frequency point immediately, and passes through No. 0 upper line frequencyPoint actively shuts report anomalous event to multifrequency parallel data collecting net.
Radio remote provided by the invention has the following advantages apart from the parallel bridge monitoring data gathering system of multifrequency and method：
The present invention is by designing new parallel data acquisition method, and by collecting gateway, transparent in multifrequency parallel dataThis acquisition method is realized in the wireless data terminal deployment of relaying and connection bridge monitoring sensor.It is of the invention to expand wellThe number of sensors that can be accommodated in bridge monitoring, solve the problems, such as data in bridge monitoring it is real-time, reliably collect, greatlyThe timeliness of bridge monitoring and abnormity early warning is improved, for bridge operational management and department is conserved and provides more timely and effectively bridgeAll kinds of status datas of beam.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction withAccompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only toIt explains the present invention, is not intended to limit the present invention.
For solve the problems, such as data in bridge monitoring it is real-time, reliably collect, it is more that the present invention provides a kind of radio remote distanceThe parallel bridge monitoring data gathering system of frequency and corresponding method.It can be comprehensively efficiently by the wireless data of a large amount of bridge monitorings endThe data at end are fused to backend services platform in a manner of low latency, and the timeliness of bridge monitoring and abnormity early warning is greatly improved.
Shown in FIG. 1 is the bridge monitoring system scheme based on wireless communication, and all kinds of monitoring sensor deployments are on bridge.Wireless data terminal is connected on all kinds of monitoring sensors, and the running state data of bridge is passed through low-power consumption internet of things(LoRa) it is transmitted to multifrequency parallel data and collects gateway.Multifrequency parallel data collects gateway again by all kinds of carrier networks, such as：NB-IoT, 4G and GPRS are uploaded to business platform server.What the present invention was discussed is mainly connecting all kinds of bridge monitorings biographiesThe wireless data terminal and multifrequency parallel data of sensor collect reliable, low latency the method for data capture between gateway and areSystem.
The data collection of bridge operating status is related to monitoring the wireless data terminal of sensor side, the collection of multifrequency parallel dataGateway.If bridge or environmental barrier are serious, transparent relay is further related to.The wireless data collection method of the present invention is exactly to applyIn these three equipment.The core of the present invention is by using the parallel of the remote LoRa real-time performances bridge monitoring data of multichannelThe efficiency of all kinds of monitoring data of bridge is greatly improved in acquisition.Wherein, the wireless data terminal for monitoring sensor side uses one-segmentLoRa realizes that multifrequency parallel data collects gateway and uses N roads LoRa hardware realizations (N >=2).The data that the present invention is described below are receivedCollecting system, method of data capture frequency point define and realization on different devices and perform logic.
With reference to figure 1, radio remote includes apart from the parallel bridge monitoring data gathering system of multifrequency：Wireless data terminal and multifrequencyParallel data collects gateway；The arrangement quantity of the wireless data terminal is M, and M is natural number；Each wireless data is wholeEnd is connected with several monitoring sensors for being arranged in bridge, and the monitoring sensor is used to acquire the bridge monitoring number of bridgeAccording to, and the bridge monitoring data are transferred to the wireless data terminal；The multifrequency parallel data collects gateway and M instituteIt states wireless data terminal to connect by wireless communication, each wireless data terminal is simultaneously about to the bridge monitoring dataIt is uploaded to the multifrequency parallel data and collects gateway.Wherein, the multifrequency parallel data collects gateway and the M wireless datasTerminal is connected by internet of things LoRa.Further include transparent relay；Transparent relay is connected to wireless data terminal and multifrequency is parallelBetween data collection gateway.
(1) the frequency point definition of data collection
To realize multiple wireless concurrent working to improve data collection efficiency, the present invention is as far as possible by data collection frequency pointIt efficiently utilizes, while special consideration should be given to the load imbalance problems that different frequent points is avoided to be likely to occur.N roads LoRa frequencies are defined altogetherPoint, here by taking N=4 as an example, the setting principle of other N is similar.As N=4,1~No. 4 frequency point is defined, also defines No. 0 uplinkFrequency point and No. 0 downlink frequency point.
No. 0 uplink frequency point is special frequency point, is defined as wireless data terminal and shuts report note to multifrequency parallel data collecting netVolume and reports frequency point used in anomalous event at information；
No. 0 downlink frequency point is fixed frequency point, is defined as multifrequency parallel data collection gateway and issues frequency to wireless data terminalFrequency point used in point configuration information and mission bit stream；Wherein, the frequency point configuration information refer to N roads LoRa frequency points value of frequency point andMultifrequency parallel data collects the best LoRa value of frequency point that gateway ontology is selected based on load balancing from the LoRa frequency points of N roads；
N roads LoRa frequency points are defined as the special frequency point of data collection, and collecting gateway by multifrequency parallel data determines specific frequency point.1~No. 4 frequency point can also flexibly be changed after the completion of bridge monitoring sensor deployment.
(2) the execution logic of data terminal
The workflow of data terminal is described as follows：
With reference to figure 2, wireless data terminal is after the power is turned on, automatic to read wireless data terminal address information and itself connectionMonitor the address information of sensor；Then, wireless data terminal is collected by dedicated No. 0 uplink frequency point to multifrequency parallel dataGateway sends log-on message, and the monitoring of the wireless data terminal address information and itself connection is carried in the log-on messageThe address information of sensor；
Then, wireless data terminal continues in No. 0 downlink frequency point reception state, and whether monitoring receives multifrequency parallel dataCollect frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, in the frequency point configuration informationInclude best LoRa value of frequency point；If received, the registered success of wireless data terminal is represented；Then, wireless data terminal rootAccording to received task information, bridge state acquisition work is carried out by monitoring sensor accordingly, when wireless data endAfter end gets required bridge monitoring data, wireless data terminal works in best LoRa value of frequency point, passes through best LoRa frequenciesPoint shuts report bridge monitoring data to multifrequency parallel data collecting net；Then, wireless data terminal switchs to continue in No. 0 downlink frequencyPoint reception state is monitored and whether receives the new task letter that multifrequency parallel data collection gateway is issued by No. 0 downlink frequency pointBreath；In wireless data terminal whole work process, once wireless data terminal detects anomalous event, for example, data terminalAbnormal or monitoring sensor abnormality etc., wireless data terminal works in No. 0 uplink frequency point immediately, and passes through No. 0 uplink frequency point masterTrend multifrequency parallel data collecting net shuts report anomalous event.
(3) multifrequency parallel data collects the execution logic of gateway
With reference to figure 3, multifrequency parallel data collects gateway, and the course of work is：Gateway, tool are collected for multifrequency parallel dataThere are M roads LoRa routing modules, for each LoRa routing modules, there is idle state, data receiving state and data distributing shapeState；When the LoRa routing modules are in idle condition, the LoRa routing modules are configured and work in No. 0 uplink frequency point receptionState, the anomalous event for receiving wireless data terminal initiation at any time report information and log-on message；
Come from same wireless data terminal when being received there are two more than LoRa routing modules by No. 0 uplink frequency pointDuring the log-on message reported, multifrequency parallel data collects gateway ontology and is based on preset priority rule, from more than two LoRaA best LoRa routing module is selected in routing module, meanwhile, multifrequency parallel data collects gateway ontology and is based on loadWeighing apparatus strategy, selects best LoRa value of frequency point, then, by best LoRa routing modules to institute from No. 1 frequency point to N frequency pointsIt states log-on message to be responded, if registered through, best LoRa routing modules are operated in No. 0 downlink frequency point first, and pass through 0Number downlink frequency point issues the frequency point configuration information and task for carrying best LoRa value of frequency point to corresponding wireless data terminalInformation；Then, best LoRa routing modules switch to data receiving state, and work in the corresponding best frequency of best LoRa value of frequency pointPoint waits for corresponding wireless data terminal to report bridge monitoring data by best LoRa frequency points, is achieved in data acquisition work(Energy；After data acquire successfully, best LoRa routing modules are switched to No. 0 uplink frequency point reception state, for receiving nothing at any timeThe anomalous event that line data terminal is initiated reports information and log-on message.
Summary is as follows：
(1) multifrequency parallel data, which collects gateway, can install N roads LoRa routing modules (present invention is by taking N=4 as an example), can be simultaneouslyRealize that parallel data is collected using 1~No. 4 frequency point.LoRa routing modules 1~No. 4 frequency point of discord is bound, i.e., indefinite solidIts fixed correspondence；
(2) multifrequency parallel data collects 4 road LoRa routing modules of gateway and No. 0 uplink frequency point is in when no data are sentReception state, the anomalous event that can receive wireless data terminal initiation at any time report, and alignment is not made in the frequency point of data collectionInto influence.Such as：In 4 road LoRa routing modules, the 1st tunnel therein is just in using No. 0 downlink frequency point under Data Collection taskHair, then the 2nd~4 road LoRa routing modules are in No. 0 uplink receiving state；
(3) multifrequency parallel data collect gateway it is possible that multichannel LoRa routing modules No. 0 uplink frequency point receive pleaseIt asks, then responds wireless data terminal in No. 0 downlink frequency point by which LoRa routing module of gateway decision, such as：It may be usedAsk the gateway first reached then preferential answering or the response mechanism using introducing priority.
(4) the LoRa routing modules of multifrequency parallel data collection gateway are before each data packet is issued, first at 1~No. 41 or several available frequency points are selected between frequency point.Such as：Multifrequency parallel data collects the 1st, the 2 road LoRa routings of gatewayModule is currently just occupying 2, No. 3 frequency points and is carrying out data receiver respectively, then multifrequency parallel data collects the 3rd road LoRa of gateway routing mouldsNo. 0 downlink frequency point can be used to issue data for block, and the 3rd tunnel of selection, in No. 1 frequency point, the 4th tunnel receives data in No. 4 frequency points.
(4) the execution logic of transparent relay
When certain wireless data terminals are because of situations such as communication distance or barrier obstruction, lead to not parallel with multifrequencyData collection gateway communication, the present invention devise transparent relay, can not influence the communication equipment of wireless data terminal and parallel gatewayUnder the premise of system and change network configuration, conveniently it is deployed on bridge.Simultaneously, moreover it is possible to which the wireless data some specific positions is wholeEnd is changed to the wireless data terminal of tape relay function, has wireless data terminal function and relay function.Performing logic canIt is broadly described：
(1) transparent relay has 6 road LoRa communication modules, can forward No. 0 uplink simultaneously, No. 0 downlink and 1~No. 4Frequency point data；
(2) transparent relay collects gateway to multifrequency parallel data by No. 0 uplink frequency point and sends out 1~No. 4 frequency point ginseng of acquisitionNumber request, multifrequency parallel data collect gateway and postback 1~No. 4 frequency point parameters by No. 0 downlink frequency point
With reference to figure 4, for transparent relay, specific work process is：
Transparent relay collects gateway with multifrequency parallel data simultaneously and each wireless data terminal is connect；Transparent relay is configuredM+2 roads trunking traffic module；
After transparent relay power-up initializing, each wireless data terminal address information is read, each wireless data terminal connectsThe monitoring address information of sensor and transparent relay address information connect；Then, transparent relay passes through dedicated No. 0 upper line frequencyPoint collects gateway to multifrequency parallel data and sends log-on message, and each wireless data terminal address letter is carried in the log-on messageBreath, the monitoring address information of sensor of each wireless data terminal connection and transparent relay address information；
Then, transparent relay continues in No. 0 downlink frequency point reception state, and whether monitoring receives the collection of multifrequency parallel dataThe frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, it is included in the frequency point configuration informationBest LoRa value of frequency point；If received, the registered success of transparent relay is represented；Then, transparent relay is appointed according to what is receivedBusiness information carries out bridge state acquisition work, when the transparent relay gets required bridge by monitoring sensor accordinglyAfter beam monitoring data, transparent relay works in best LoRa value of frequency point, is collected by best LoRa frequency points to multifrequency parallel dataGateway reports bridge monitoring data；Then, transparent relay switchs to continue in No. 0 downlink frequency point reception state, and whether monitoring receivesThe new mission bit stream issued to multifrequency parallel data collection gateway by No. 0 downlink frequency point；It is entirely worked in transparent relayCheng Zhong, once transparent relay detects anomalous event, transparent relay works in No. 0 uplink frequency point immediately, and passes through No. 0 upper line frequencyPoint actively shuts report anomalous event to multifrequency parallel data collecting net.
Based on wireless bridge health monitoring, the real-time of data collection is on the one hand considered, on the other hand also need to examineConsider the robustness of data collection, when part wireless data terminal or relaying appearance exception, can ensure the collection of other dataIt is unaffected.Since whole network is using broadcast concurrent mechanism, no routing table establishes problem, and only multifrequency parallel data is receivedCollection gateway module has data terminal handover number parameter (power down loss), once so wireless data terminal and transparent relay shapeInto network in some communication module be damaged, can directly replace new module, while network can also arbitrarily increaseOr wireless data terminal is reduced, whole network will not be had an impact.
Radio remote provided by the invention has following excellent apart from the parallel bridge monitoring data gathering system of multifrequency and methodPoint：
The present invention is by designing new parallel data acquisition method, and by collecting gateway, transparent in multifrequency parallel dataThis acquisition method is realized in the wireless data terminal deployment of relaying and connection bridge monitoring sensor.It is of the invention to expand wellThe number of sensors that can be accommodated in bridge monitoring, solve the problems, such as data in bridge monitoring it is real-time, reliably collect, greatlyThe timeliness of bridge monitoring and abnormity early warning is improved, for bridge operational management and department is conserved and provides more timely and effectively bridgeAll kinds of status datas of beam.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the artFor member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also shouldDepending on protection scope of the present invention.