CN108200664A - A kind of radio remote is apart from the parallel bridge monitoring data gathering system of multifrequency and method - Google Patents
A kind of radio remote is apart from the parallel bridge monitoring data gathering system of multifrequency and method Download PDFInfo
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- CN108200664A CN108200664A CN201810113951.8A CN201810113951A CN108200664A CN 108200664 A CN108200664 A CN 108200664A CN 201810113951 A CN201810113951 A CN 201810113951A CN 108200664 A CN108200664 A CN 108200664A
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/08—Load balancing or load distribution
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
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Abstract
The present invention provides a kind of radio remote and includes apart from the parallel bridge monitoring data gathering system of multifrequency and method, system：Wireless data terminal and multifrequency parallel data collect gateway；The multifrequency parallel data is collected gateway and is connect with the M wireless data terminals by wireless communication, and each wireless data terminal is simultaneously about to the bridge monitoring data and is uploaded to the multifrequency parallel data collection gateway.Further include transparent relay.Advantage is：The present invention has expanded the number of sensors that can be accommodated in bridge monitoring well, solve the problems, such as data in bridge monitoring it is real-time, reliably collect, the timeliness of bridge monitoring and abnormity early warning is greatly improved, more timely and effectively all kinds of status datas of bridge are provided for bridge operational management and maintenance department.
Description
Technical field
The invention belongs to the data collection techniques fields that bridge monitors in real time, and in particular to a kind of radio remote apart from multifrequency simultaneously
Row bridge monitoring data gathering system and method.
Background technology
With the fast development of urban transportation, bridge effectively promotees as one of most important traffic infrastructure in city
Into urban economy development, the trip for the people is provided convenience, and improves the quality of life of the people.Although Urban Bridge
The engineering service life exist for quite a long time, but bridge structure safety and durability there are still risk, such as：Bridge is born for a long time
Under the influence of carrying work or neighbouring engineering construction etc. so that the partly or wholly structure of bridge generates variation, cause structural stress and
It strains exceeded.In addition, the factors such as inclination, torsion, crack, support displacement, bridge pier sedimentation will all affect making for bridge and structure
With safety.
Many bridge collapse accidents that recent domestic has occurred, are mostly due to lack due Bridge Condition Monitoring
Means cause.Therefore, the health monitoring of bridge has caused the great attention of people.It is right by implementing to monitor on-line to bridge
The factor of above-mentioned influence bridge security operation, which is timed, quantitatively monitors and obtains real time data, and data are handled in time
Analysis, assesses the operating status and safety of structure of bridge, can not only assess bridge health state, is the daily of bridge
Maintenance detection, is safeguarded, is reinforced and repair provides foundation, while also to ensureing that the intact, safe, unimpeded etc. of Urban Bridge has
Positive effect.
At present, manual type is relied primarily on to managing and protecting for bridge, i.e.,：Walkaround inspection is carried out, then carry out to the appearance of bridge
The objective evaluation of serviceable condition grade, so that it is determined that bridge technology safe condition.Have at present and be based partially on wireless telecommunications
Bridge monitoring running state scheme, by affixing one's name to various monitoring sensors in bridge upper mounting portion, and pass through wireless network and will supervise
The data for surveying sensor reach business platform.However, with the increase for needing the information category for monitoring bridge, the sensor of deployment
Type and quantity it is also more and more.Such as：The river-spanning bridge of one moderate-length usually requires all kinds of of deployment hundred or more
Sensor is monitored, a large amount of sensor is initiated wireless data and reported, and is easy to generate co-channel interference and causes what data reported to prolong
It even loses late.How while ensureing that bridge monitoring data safe collection reports, real-time and adaptability, energy are improved
According to business needs, the sampling period is adjusted flexibly, accomplishes real real time on-line monitoring value, is in the urgent need to address at present ask
Topic.
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 multifrequency
Collecting 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 whole
End and multifrequency parallel data collect gateway；The arrangement quantity of the wireless data terminal is M, and M is natural number；Each nothing
Line data terminal is connected with several monitoring sensors for being arranged in bridge, and the monitoring sensor is used to acquire the bridge of bridge
Monitoring data, and the bridge monitoring data are transferred to the wireless data terminal；The multifrequency parallel data collects gateway
It is connect with the M wireless data terminals by wireless communication, each wireless data terminal is simultaneously about to the bridge
Monitoring 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 LoRa
Connection.
Preferably, transparent relay is further included；Transparent relay is connected to wireless data terminal and multifrequency parallel data collecting net
Between 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 from
From 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 data
Module；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 wireless
Data terminal shuts report log-on message to multifrequency parallel data collecting net and reports frequency point used in anomalous event；No. 0 downlink frequency
Point is fixed frequency point, is defined as multifrequency parallel data collection gateway and issues frequency point configuration information and task to wireless data terminal
Frequency 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 net
Close 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 counting
According 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 data
Hold address information and the address information of the monitoring sensor of itself connection；Then, wireless data terminal passes through on dedicated No. 0
Line frequency point collects gateway to multifrequency parallel data and sends log-on message, in the log-on message with carrying the wireless data terminal
The 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 data
Collect frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, in the frequency point configuration information
Include best LoRa value of frequency point；If received, the registered success of wireless data terminal is represented；Then, wireless data terminal root
According to received task information, bridge state acquisition work is carried out by monitoring sensor accordingly, when wireless data end
After end gets required bridge monitoring data, wireless data terminal works in best LoRa value of frequency point, passes through best LoRa frequencies
Point shuts report bridge monitoring data to multifrequency parallel data collecting net；Then, wireless data terminal switchs to continue in No. 0 downlink frequency
Point reception state is monitored and whether receives the new task letter that multifrequency parallel data collection gateway is issued by No. 0 downlink frequency point
Breath；In wireless data terminal whole work process, once wireless data terminal detects anomalous event, wireless data terminal is stood
No. 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, tool
Available free state, data receiving state and data distributing state；When the LoRa routing modules are in idle condition, institute is configured
It 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 time
Part 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 point
During the log-on message reported, multifrequency parallel data collects gateway ontology and is based on preset priority rule, from more than two LoRa
A best LoRa routing module is selected in routing module, meanwhile, multifrequency parallel data collects gateway ontology and is based on load
Weighing 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 points
It 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 0
Number downlink frequency point issues the frequency point configuration information and task for carrying best LoRa value of frequency point to corresponding wireless data terminal
Information；Then, best LoRa routing modules switch to data receiving state, and work in the corresponding best frequency of best LoRa value of frequency point
Point 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 time
The 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 reports
The 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 configured
M+2 roads trunking traffic module；
After transparent relay power-up initializing, each wireless data terminal address information is read, each wireless data terminal connects
The monitoring address information of sensor and transparent relay address information connect；Then, transparent relay passes through dedicated No. 0 upper line frequency
Point collects gateway to multifrequency parallel data and sends log-on message, and each wireless data terminal address letter is carried in the log-on message
Breath, 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 data
The 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 information
Best LoRa value of frequency point；If received, the registered success of transparent relay is represented；Then, transparent relay is appointed according to what is received
Business information carries out bridge state acquisition work, when the transparent relay gets required bridge by monitoring sensor accordingly
After beam monitoring data, transparent relay works in best LoRa value of frequency point, is collected by best LoRa frequency points to multifrequency parallel data
Gateway reports bridge monitoring data；Then, transparent relay switchs to continue in No. 0 downlink frequency point reception state, and whether monitoring receives
The new mission bit stream issued to multifrequency parallel data collection gateway by No. 0 downlink frequency point；It is entirely worked in transparent relay
Cheng Zhong, once transparent relay detects anomalous event, transparent relay works in No. 0 uplink frequency point immediately, and passes through No. 0 upper line frequency
Point 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 data
This acquisition method is realized in the wireless data terminal deployment of relaying and connection bridge monitoring sensor.It is of the invention to expand well
The 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, greatly
The timeliness of bridge monitoring and abnormity early warning is improved, for bridge operational management and department is conserved and provides more timely and effectively bridge
All kinds of status datas of beam.
Description of the drawings
Fig. 1 is structure diagram of the radio remote provided by the invention apart from the parallel bridge monitoring data gathering system of multifrequency；
Fig. 2 is the execution flow chart of wireless data terminal；
Fig. 3 is the execution flow chart that multifrequency parallel data collects gateway；
Fig. 4 is the execution flow chart of transparent relay.
Specific embodiment
In order to which technical problem solved by the invention, technical solution and advantageous effect is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein only to
It 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 distance
The 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 end
The 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 biographies
The wireless data terminal and multifrequency parallel data of sensor collect reliable, low latency the method for data capture between gateway and are
System.
The data collection of bridge operating status is related to monitoring the wireless data terminal of sensor side, the collection of multifrequency parallel data
Gateway.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 apply
In 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 multichannel
The 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-segment
LoRa 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 received
Collecting 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 multifrequency
Parallel data collects gateway；The arrangement quantity of the wireless data terminal is M, and M is natural number；Each wireless data is whole
End is connected with several monitoring sensors for being arranged in bridge, and the monitoring sensor is used to acquire the bridge monitoring number of bridge
According to, and the bridge monitoring data are transferred to the wireless data terminal；The multifrequency parallel data collects gateway and M institute
It states wireless data terminal to connect by wireless communication, each wireless data terminal is simultaneously about to the bridge monitoring data
It is uploaded to the multifrequency parallel data and collects gateway.Wherein, the multifrequency parallel data collects gateway and the M wireless datas
Terminal is connected by internet of things LoRa.Further include transparent relay；Transparent relay is connected to wireless data terminal and multifrequency is parallel
Between 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 point
It 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 altogether
Point, 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 uplink
Frequency 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 net
Volume 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 terminal
Frequency 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 and
Multifrequency 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 connection
Monitor the address information of sensor；Then, wireless data terminal is collected by dedicated No. 0 uplink frequency point to multifrequency parallel data
Gateway sends log-on message, and the monitoring of the wireless data terminal address information and itself connection is carried in the log-on message
The address information of sensor；
Then, wireless data terminal continues in No. 0 downlink frequency point reception state, and whether monitoring receives multifrequency parallel data
Collect frequency point configuration information and mission bit stream that gateway is issued by No. 0 downlink frequency point；Wherein, in the frequency point configuration information
Include best LoRa value of frequency point；If received, the registered success of wireless data terminal is represented；Then, wireless data terminal root
According to received task information, bridge state acquisition work is carried out by monitoring sensor accordingly, when wireless data end
After end gets required bridge monitoring data, wireless data terminal works in best LoRa value of frequency point, passes through best LoRa frequencies
Point shuts report bridge monitoring data to multifrequency parallel data collecting net；Then, wireless data terminal switchs to continue in No. 0 downlink frequency
Point reception state is monitored and whether receives the new task letter that multifrequency parallel data collection gateway is issued by No. 0 downlink frequency point
Breath；In wireless data terminal whole work process, once wireless data terminal detects anomalous event, for example, data terminal
Abnormal or monitoring sensor abnormality etc., wireless data terminal works in No. 0 uplink frequency point immediately, and passes through No. 0 uplink frequency point master
Trend 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 data
There are M roads LoRa routing modules, for each LoRa routing modules, there is idle state, data receiving state and data distributing shape
State；When the LoRa routing modules are in idle condition, the LoRa routing modules are configured and work in No. 0 uplink frequency point reception
State, 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 point
During the log-on message reported, multifrequency parallel data collects gateway ontology and is based on preset priority rule, from more than two LoRa
A best LoRa routing module is selected in routing module, meanwhile, multifrequency parallel data collects gateway ontology and is based on load
Weighing 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 points
It 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 0
Number downlink frequency point issues the frequency point configuration information and task for carrying best LoRa value of frequency point to corresponding wireless data terminal
Information；Then, best LoRa routing modules switch to data receiving state, and work in the corresponding best frequency of best LoRa value of frequency point
Point 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 time
The 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 simultaneously
Realize 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 solid
Its 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 sent
Reception 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 collection
Into 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 task
Hair, 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 please
It 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 used
Ask 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. 4
1 or several available frequency points are selected between frequency point.Such as：Multifrequency parallel data collects the 1st, the 2 road LoRa routings of gateway
Module 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 moulds
No. 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 multifrequency
Data collection gateway communication, the present invention devise transparent relay, can not influence the communication equipment of wireless data terminal and parallel gateway
Under 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 whole
End is changed to the wireless data terminal of tape relay function, has wireless data terminal function and relay function.Performing logic can
It is broadly described：
(1) transparent relay has 6 road LoRa communication modules, can forward No. 0 uplink simultaneously, No. 0 downlink and 1~No. 4
Frequency 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 acquisition
Number 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 configured
M+2 roads trunking traffic module；
After transparent relay power-up initializing, each wireless data terminal address information is read, each wireless data terminal connects
The monitoring address information of sensor and transparent relay address information connect；Then, transparent relay passes through dedicated No. 0 upper line frequency
Point collects gateway to multifrequency parallel data and sends log-on message, and each wireless data terminal address letter is carried in the log-on message
Breath, 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 data
The 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 information
Best LoRa value of frequency point；If received, the registered success of transparent relay is represented；Then, transparent relay is appointed according to what is received
Business information carries out bridge state acquisition work, when the transparent relay gets required bridge by monitoring sensor accordingly
After beam monitoring data, transparent relay works in best LoRa value of frequency point, is collected by best LoRa frequency points to multifrequency parallel data
Gateway reports bridge monitoring data；Then, transparent relay switchs to continue in No. 0 downlink frequency point reception state, and whether monitoring receives
The new mission bit stream issued to multifrequency parallel data collection gateway by No. 0 downlink frequency point；It is entirely worked in transparent relay
Cheng Zhong, once transparent relay detects anomalous event, transparent relay works in No. 0 uplink frequency point immediately, and passes through No. 0 upper line frequency
Point 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 examine
Consider the robustness of data collection, when part wireless data terminal or relaying appearance exception, can ensure the collection of other data
It is unaffected.Since whole network is using broadcast concurrent mechanism, no routing table establishes problem, and only multifrequency parallel data is received
Collection gateway module has data terminal handover number parameter (power down loss), once so wireless data terminal and transparent relay shape
Into network in some communication module be damaged, can directly replace new module, while network can also arbitrarily increase
Or 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 method
Point：
The present invention is by designing new parallel data acquisition method, and by collecting gateway, transparent in multifrequency parallel data
This acquisition method is realized in the wireless data terminal deployment of relaying and connection bridge monitoring sensor.It is of the invention to expand well
The 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, greatly
The timeliness of bridge monitoring and abnormity early warning is improved, for bridge operational management and department is conserved and provides more timely and effectively bridge
All 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 art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
Depending on protection scope of the present invention.
Claims (6)
1. a kind of radio remote is apart from the parallel bridge monitoring data gathering system of multifrequency, which is characterized in that including：Wireless data terminal
Gateway is collected with multifrequency parallel data；The arrangement quantity of the wireless data terminal is M, and M is natural number；It is each described wireless
Data terminal is connected with several monitoring sensors for being arranged in bridge, and the monitoring sensor is used to acquire the bridge prison of bridge
Measured data, and the bridge monitoring data are transferred to the wireless data terminal；The multifrequency parallel data collects gateway and M
A wireless data terminal is connected by wireless communication, and each wireless data terminal is simultaneously about to the bridge monitoring
Data are uploaded to the multifrequency parallel data and collect gateway.
2. a kind of radio remote according to claim 1 exists apart from the parallel bridge monitoring data gathering system of multifrequency, feature
In the multifrequency parallel data is collected gateway and connect with the M wireless data terminals by internet of things LoRa.
3. a kind of radio remote according to claim 1 exists apart from the parallel bridge monitoring data gathering system of multifrequency, feature
In further including transparent relay；Transparent relay is connected between wireless data terminal and multifrequency parallel data collection gateway.
4. a kind of radio remote based on radio remote described in claim 1 apart from the parallel bridge monitoring data gathering system of multifrequency away from
From the parallel bridge monitoring method of data capture of multifrequency, which is characterized in that include the following steps：
Step 1, multifrequency parallel data collects gateway and collects gateway ontology and M roads LoRa routing moulds including multifrequency parallel data
Block；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
Road 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 no line number
Report log-on message is shut to multifrequency parallel data collecting net and report frequency point used in anomalous event according to terminal；No. 0 downlink frequency point
For fixed frequency point, it is defined as multifrequency parallel data collection gateway and issues frequency point configuration information and task letter to wireless data terminal
Frequency point used in breath；Wherein, the frequency point configuration information refers to the value of frequency point of N roads LoRa frequency points and multifrequency parallel data collects gateway
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 data
Collect special frequency point；
Step 2, for wireless data terminal, the course of work is：Wireless data terminal after the power is turned on, reads wireless data terminal
The address information of location information and the monitoring sensor of itself connection；Then, wireless data terminal passes through dedicated No. 0 upper line frequency
Point collects gateway to multifrequency parallel data and sends log-on message, and the wireless data terminal address letter is carried in the log-on message
The address information of breath and the monitoring sensor of itself connection；
Then, wireless data terminal continues in No. 0 downlink frequency point reception state, and whether monitoring receives the collection of multifrequency parallel data
The 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 information
Best LoRa value of frequency point；If received, the registered success of wireless data terminal is represented；Then, wireless data terminal is according to connecing
The mission bit stream received carries out bridge state acquisition work, when the wireless data terminal is obtained by monitoring sensor accordingly
After getting required bridge monitoring data, wireless data terminal works in best LoRa value of frequency point, by best LoRa frequency points to
Multifrequency parallel data collecting net shuts report bridge monitoring data；Then, wireless data terminal switchs to continue to connect in No. 0 downlink frequency point
Receipts state is monitored and whether receives the new mission bit stream that multifrequency parallel data collection gateway is issued by No. 0 downlink frequency point；
In wireless data terminal whole work process, once wireless data terminal detects anomalous event, wireless data terminal work immediately
Make in No. 0 uplink frequency point, and pass through No. 0 uplink frequency point and actively shut 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, there is sky
Not busy state, data receiving state and data distributing state；When the LoRa routing modules are in idle condition, described in configuration
LoRa routing modules work in No. 0 uplink frequency point reception state, for receiving the anomalous event of 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 point and report
Log-on message when, multifrequency parallel data collects gateway ontology and is based on preset priority rule, is route from more than two LoRa
A best LoRa routing module is selected in module, meanwhile, multifrequency parallel data collects gateway ontology and is based on load balancing plan
Slightly, best LoRa value of frequency point is selected from No. 1 frequency point to N frequency points, then, by best LoRa routing modules to the note
Volume information is responded, if registered through, best LoRa routing modules are operated in No. 0 downlink frequency point first, and pass through under No. 0
Line frequency point issues the frequency point configuration information and mission bit stream for carrying best LoRa value of frequency point to corresponding wireless data terminal；
Then, best LoRa routing modules switch to data receiving state, and work in the corresponding best frequency point of best LoRa value of frequency point, etc.
It treats that corresponding wireless data terminal reports bridge monitoring data by best LoRa frequency points, is achieved in data acquisition function；When
After data acquire successfully, best LoRa routing modules are switched to No. 0 uplink frequency point reception state, for receiving wireless data at any time
The anomalous event that terminal is initiated reports information and log-on message.
5. radio remote according to claim 4 is apart from the parallel bridge monitoring method of data capture of multifrequency, which is characterized in that institute
Preset priority rule is stated to refer to：It is initially received the preferential of the LoRa routing modules for the log-on message that wireless data terminal reports
Grade highest.
6. radio remote according to claim 4 is apart from the parallel bridge monitoring method of data capture of multifrequency, which is characterized in that right
In transparent relay, the course of work is：
Transparent relay collects gateway with multifrequency parallel data simultaneously and each wireless data terminal is connect；M+2 is configured in transparent relay
Road trunking traffic module；
After transparent relay power-up initializing, each wireless data terminal address information is read, each wireless data terminal connects
Monitor the address information of sensor and transparent relay address information；Then, transparent relay by dedicated No. 0 uplink frequency point to
Multifrequency parallel data collects gateway and sends log-on message, carry in the log-on message each wireless data terminal address information,
The monitoring address information of sensor and transparent relay address information of each wireless data terminal connection；
Then, transparent relay continues in No. 0 downlink frequency point reception state, and whether monitoring receives multifrequency parallel data and collect gateway
The frequency point configuration information and mission bit stream issued by No. 0 downlink frequency point；Wherein, comprising best in the frequency point configuration information
LoRa value of frequency point；If received, the registered success of transparent relay is represented；Then, transparent relay is believed according to received task
Breath carries out bridge state acquisition work by monitoring sensor accordingly, when the transparent relay gets required bridge prison
After measured data, transparent relay works in best LoRa value of frequency point, and gateway is collected to multifrequency parallel data by best LoRa frequency points
Report bridge monitoring data；Then, transparent relay switchs to continue in No. 0 downlink frequency point reception state, and it is more whether monitoring receives
Frequency parallel data collects the new mission bit stream that gateway is issued by No. 0 downlink frequency point；In transparent relay whole work process,
Once transparent relay detects anomalous event, transparent relay works in No. 0 uplink frequency point immediately, and passes through No. 0 uplink frequency point master
Trend multifrequency parallel data collecting net shuts report anomalous event.
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