CN107333321A - A kind of data actuation and its network-building method communicated based on Lora - Google Patents
A kind of data actuation and its network-building method communicated based on Lora Download PDFInfo
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- CN107333321A CN107333321A CN201710542280.2A CN201710542280A CN107333321A CN 107333321 A CN107333321 A CN 107333321A CN 201710542280 A CN201710542280 A CN 201710542280A CN 107333321 A CN107333321 A CN 107333321A
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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
- H04W40/22—Communication route or path selection, e.g. power-based or shortest path routing using selective relaying for reaching a BTS [Base Transceiver Station] or an access point
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H7/00—Brakes with braking members co-operating with the track
- B61H7/02—Scotch blocks, skids, or like track-engaging shoes
- B61H7/10—Scotch blocks, skids, or like track-engaging shoes unattached
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
- G01S5/0252—Radio frequency fingerprinting
-
- 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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- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of data collecting system communicated based on Lora, including some Intelligent iron shoes, some repeater nodes, a coordinator node and an intelligent anti-running monitoring host computer.Intelligent iron shoe includes sensor assembly, skate CPU and skate Lora communication modules；Repeater node includes repeater CPU and repeater Lora communication modules；Coordinator node includes telegon Lora communication modules, telegon CPU and ethernet module.Some Intelligent iron shoes, some repeater nodes, a coordinator node are based on Lora communication protocols and carry out wireless networking, communication.The present invention has the characteristics of efficient, easy to operate, reliability is high, Intelligent iron shoe and coordinator node direct communication pass through signal most strong repeater node indirect communication, the real-time monitoring to anti-skid device state is finally realized, to ensureing that safe railway operation has very important significance and practical value.
Description
Technical field
The present invention relates to railway vehicle parking anti-slide field, realization is especially adapted for use in Railway Site parking and anti-slip reality
When data acquisition and management, specifically a kind of data actuation and its network-building method communicated based on Lora.
Background technology
At present, there is problems with traditional anti-skid device：Whether anti-skid device, which is in place, is difficult to monitor；It is anti-slip when dispatching a car
Whether device has been taken out equally being difficult to monitor；Anti-skid device occur it is stolen can not and alarm；The neck of anti-skid device takes, puts
Put, take out and return, completed by artificial operation, person on duty can not distinguish whether anti-skid device is in the safe shape of specification in time
State；Based on simple point-to-point Lora communication means, there is communication and lose packet, can not be confirmed whether to lead to by most stable channel
The problems such as letter and communication distance need to be expanded further.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems, proposing a kind of based on the Lora data actuations communicated and its networking side
Method.The present invention is a kind of a set of data actuation for based on Lora being communicated high based on efficient, easy to operate, reliability, some intelligence
Skate, some repeater nodes, a coordinator node automatic network-building, Intelligent iron shoe and coordinator node direct communication or pass through
Signal most strong repeater node indirect communication, finally realizes the real-time monitoring to anti-skid device state, to ensureing railway security
Operation has very important significance and practical value.
The technical scheme is that：
The present invention it is a kind of based on Lora communicate data actuation, it include some Intelligent iron shoes, some repeater nodes,
One coordinator node and an intelligent anti-running monitoring host computer, described Intelligent iron shoe include sensor assembly, skate CPU and
Skate Lora communication modules；Described repeater node includes repeater CPU and repeater Lora communication modules；Described association
Device node is adjusted to include telegon Lora communication modules, telegon CPU and ethernet module；Some Intelligent iron shoes, some repeaters
Node, a coordinator node are based on Lora communication protocols and carry out wireless networking, communication, first collect some Intelligent iron shoes
Anti-slip data deliver to coordinator node, and then coordinator node passes through its ethernet module and the intelligent anti-running monitoring host computer phase
Connection, completes data transfer.
The invention also discloses a kind of data actuation network-building method communicated based on Lora, Intelligent iron shoe the method achieve
With coordinator node direct communication or by signal most strong repeater node indirect communication, three links are specifically included：Intelligence
Skate group-net communication process, repeater node group-net communication process and telegon group-net communication process.
The first link Intelligent iron shoe group-net communication process specific steps of data actuation network-building method communicated based on Lora
It is as follows：
(1) Intelligent iron shoe broadcast signal strength detection data frame；
(2) Intelligent iron shoe collects the signal strength data that coordinator node is returned with repeater node, Intelligent iron shoe record n
Individual node signal strength RSSI value and its corresponding node Self address；
(3) Intelligent iron shoe is compared one by one to n RSSI value, obtains the RSSI value Max=RSSI (K) of maximum；
(4) whether judge the corresponding node Self address of the corresponding Max of k-th node is coordinator node Self address,
If it is, destination address is set to coordinator node Self address by Intelligent iron shoe, and send the data to coordinator node；Such as
Fruit is not that then destination address is set to oneself of repeater by skate according to the Self address of the corresponding repeater node of k-th node
Body address, sends the data to repeater.
Specifically walked based on Lora second link repeater node group-net communication process of data actuation network-building method communicated
It is rapid as follows：
(1) repeater node judges whether the data frame received is that the signal broadcasted is strong after data frame is received, first
Degree detection data frame, if it is, reading itself RSSI value and returning to Intelligent iron shoe；Sentence if it is not, then carrying out next step
It is disconnected；
(2) repeater node compare Self address with send data node destination address it is whether identical, if identical,
Then the repeater CPU of repeater node receives data, and data are sent by repeater Lora modules；If it is not the same,
Then carry out next step judgement；
(3) repeater node continue to compare node of the Self address with sending data relay address it is whether identical, if
Identical, then repeater node forwards data, if it is different, then continuing waiting for next data frame.
Specifically walked based on Lora the 3rd link coordinator node group-net communication process of data actuation network-building method communicated
It is rapid as follows：
(1) coordinator node judges whether the data frame received is that the signal broadcasted is strong after data frame is received, first
Degree detection data frame, if it is, reading itself RSSI value and returning to Intelligent iron shoe；Sentence if it is not, then carrying out next step
It is disconnected；
(2) coordinator node continue to compare node of the Self address with sending data destination address it is whether identical, if
Identical, then telegon CPU receives data by telegon Lora modules, and it is anti-by ethernet module to send data to intelligence
Monitoring host computer is slipped, if it is different, then continuing waiting for next data frame.
The data actuation network-building method communicated based on the Lora data collecting systems communicated based on Lora, it is characterized in that intelligence
The data frame that skate, repeater node and coordinator node send or received includes Self address, destination address and relaying ground
Location, the Self address refers to Lora communication node Self address, and the destination address refers to Lora communication final purpose node address,
The relay address refers to Lora communications need to carry out the relay node address of relay forwarding by the node.
Beneficial effects of the present invention：
A kind of intelligent anti-running system communicated based on Lora of the present invention, is a set of high based on efficient, easy to operate, reliability
It is a kind of based on Lora communicate data actuation, some Intelligent iron shoes, some repeater nodes, automatic group an of coordinator node
Net, Intelligent iron shoe and coordinator node direct communication or by signal most strong repeater node indirect communication are final to realize pair
The real-time monitoring of anti-skid device state, to ensureing that safe railway operation has very important significance and practical value.
Compared with traditional WiFi or ZigBee communication mode, LoRa communication features have：LoRa networkings capacity is big, networking spirit
Living, favorable expandability can flexibly increase network node.Using Star Network framework, compared with mesh network architecture, it is that have most
The simplest network structure of low latency.LoRa technologies possess the signal intensity RSSI value and superpower signal to noise ratio snr of superelevation in itself,
Spread spectrum chip based on LoRa, it is possible to achieve direct or indirect (by the routing node) networking of terminal node and coordinator node
Connection, constitutes a wide range of, remote star network.
Compared with the self-organizing networks such as ZigBee, the difficulty of Lora communications also artificial formulation networks trategy in need,
The present invention exactly proposes a kind of based on the signal intensity RSSI value received, automatically selects the communication of most stable channel, automatic system
Fixed, loading networks trategy data actuation network-building method, realize as terminal node Intelligent iron shoe and coordinator node it is straight
Connect or low-power consumption, telecommunication indirectly.
Brief description of the drawings
Fig. 1 is the present invention based on the Lora data actuation compositions communicated and network-building method.
Fig. 2 is Intelligent iron shoe workflow diagram in the data actuation communicated based on Lora of the invention.
Fig. 3 is repeater node workflow diagram in the data actuation communicated based on Lora of the invention.
Fig. 4 is coordinator node workflow diagram in the data actuation communicated based on Lora of the invention.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
As shown in figure 1, a kind of data actuation communicated based on Lora of the present invention, including some Intelligent iron shoes, Ruo Ganzhong
After device node, a coordinator node and an intelligent anti-running monitoring host computer, described Intelligent iron shoe include sensor assembly,
Skate CPU (preferential to select model STM32L15X) and skate Lora communication modules (model F8L10D)；Described repeater section
Point includes repeater CPU (preferential to select model STM32L15X) and repeater Lora communication modules (model F8L10D)；Institute
The coordinator node stated includes telegon Lora communication modules (model F8L10D), telegon CPU (preferentially from model
) and ethernet module (model W5100) STM32L15X；Some Intelligent iron shoes, some repeater nodes, a telegon section
Point carries out wireless networking, communication based on Lora communication protocols, and the anti-slip data that some Intelligent iron shoes are collected first are delivered into coordination
Device node, then coordinator node be connected by its ethernet module with the intelligent anti-running monitoring host computer, complete data pass
It is defeated.
As shown in figure 1, it is a kind of based on Lora communicate data actuation, specifically by some Intelligent iron shoes, repeater node 1,
Repeater node 2, repeater node 3, repeater node 4, coordinator node and intelligent anti-running monitoring host computer composition, specific networking
Process is as follows：
Intelligent iron shoe broadcast signal strength detection data frame, all repeaters for receiving this data frame, telegon first
Node can return to a signal intensity RSSI value, and Intelligent iron shoe is compared to these RSSI values finds a maximum, if
Signal intensity maximum is coordinator node, then destination address is set to the Self address of coordinator node by Intelligent iron shoe, then
Data are directly transmitted into coordinator node；If signal intensity it is maximum be repeater node 2, Intelligent iron shoe is by destination address
The Self address 101 of repeater node 2 is set to, repeater node 2 receives after the data of Intelligent iron shoe, destination address is set to
The Self address 1 of coordinator node, relay address is set to the Self address 100 of repeater node 1, by repeater node 1
Data forwarding is to coordinator node；If signal intensity maximum is repeater node 4, destination address is set to by Intelligent iron shoe
The Self address 103 of repeater node 4, repeater node 4 is received after data, and destination address is set into coordinator node itself
Address 1, relay address is set to the Self address 102 of repeater node 3, is then forwarded data by repeater node 3,
Relay address is set to the Self address 100 of repeater node 1 by repeater node 3, is forwarded the data to by repeater node 1
Coordinator node.Coordinator node eventually receives the intelligent anti-running data of Intelligent iron shoe transmission, then transmits data to intelligence
Anti-slip monitoring host computer.
The a kind of of the present invention realizes Intelligent iron shoe and coordinator node based on the Lora data actuation network-building methods communicated
Direct communication or by signal most strong repeater node indirect communication, specifically includes three links：Intelligent iron shoe group-net communication
Process, repeater node group-net communication process and telegon group-net communication process.
The first link Intelligent iron shoe group-net communication process such as Fig. 2 institute of data actuation network-building method communicated based on Lora
Show, comprise the following steps that：
(1) Intelligent iron shoe broadcast signal strength detection data frame；
(2) Intelligent iron shoe collects the signal strength data that coordinator node is returned with repeater node, Intelligent iron shoe record n
Individual node signal strength RSSI value and its corresponding node Self address；
(3) Intelligent iron shoe is compared one by one to n RSSI value, obtains the RSSI value Max=RSSI (K) of maximum；
(4) whether judge the corresponding node Self address of the corresponding Max of k-th node is coordinator node Self address,
If it is, destination address is set to coordinator node Self address by Intelligent iron shoe, and send the data to coordinator node；Such as
Fruit is not that then destination address is set to repeater by Intelligent iron shoe according to the Self address of the corresponding repeater node of k-th node
Self address, send the data to repeater.
The second link repeater node group-net communication process such as Fig. 3 institute of data actuation network-building method communicated based on Lora
Show, comprise the following steps that：
(4) repeater node judges whether the data frame received is that the signal broadcasted is strong after data frame is received, first
Degree detection data frame, if it is, reading itself RSSI value and returning to Intelligent iron shoe；Sentence if it is not, then carrying out next step
It is disconnected；
(5) repeater node compare Self address with send data node destination address it is whether identical, if identical,
Then the repeater CPU of repeater node receives data, and data are sent by repeater Lora modules；If it is not the same,
Then carry out next step judgement；
(6) repeater node continue to compare node of the Self address with sending data relay address it is whether identical, if
Identical, then repeater node forwards data, if it is different, then continuing waiting for next data frame.
The 3rd link coordinator node group-net communication process such as Fig. 4 institute of data actuation network-building method communicated based on Lora
Show, comprise the following steps that：
(1) coordinator node judges whether the data frame received is that the signal broadcasted is strong after data frame is received, first
Degree detection data frame, if it is, reading itself RSSI value and returning to Intelligent iron shoe；Sentence if it is not, then carrying out next step
It is disconnected；
(2) coordinator node continue to compare node of the Self address with sending data destination address it is whether identical, if
Identical, then telegon CPU receives data by telegon Lora modules, and it is anti-by ethernet module to send data to intelligence
Monitoring host computer is slipped, if it is different, then continuing waiting for next data frame.
Claims (6)
1. a kind of data actuation communicated based on Lora, it is characterized in that it includes some Intelligent iron shoes, some repeater nodes, one
Individual coordinator node and an intelligent anti-running monitoring host computer, described Intelligent iron shoe include sensor assembly, skate CPU and iron
Footwear Lora communication modules；Described repeater node includes repeater CPU and repeater Lora communication modules；Described coordination
Device node includes telegon Lora communication modules, telegon CPU and ethernet module；Some Intelligent iron shoes, some repeater sections
Point, a coordinator node are based on Lora communication protocols and carry out wireless networking, communication, first by preventing that some Intelligent iron shoes are collected
Slip data and deliver to coordinator node, then coordinator node is connected by its ethernet module with the intelligent anti-running monitoring host computer
Connect, complete data transfer.
2. a kind of data actuation network-building method communicated based on Lora, it is characterized in that the method achieve Intelligent iron shoe and telegon
Node direct communication or by signal most strong repeater node indirect communication, specifically includes three links：Intelligent iron shoe networking
Communication process, repeater node group-net communication process and telegon group-net communication process.
3. a kind of data actuation network-building method communicated based on Lora according to claim 2, it is characterized in that the intelligence
Skate group-net communication process is comprised the following steps that：
(1) Intelligent iron shoe broadcast signal strength detection data frame；
(2) Intelligent iron shoe collects the signal strength data that coordinator node is returned with repeater node, and Intelligent iron shoe records n section
Point signal intensity RSSI value and its corresponding node Self address；
(3) Intelligent iron shoe is compared one by one to n RSSI value, obtains the RSSI value Max=RSSI (K) of maximum；
(4) whether judge the corresponding node Self address of the corresponding Max of k-th node is coordinator node Self address, if
It is that then destination address is set to coordinator node Self address by Intelligent iron shoe, and sends the data to coordinator node；If no
It is that then destination address is set to itself ground of repeater by skate according to the Self address of the corresponding repeater node of k-th node
Location, sends the data to repeater.
4. a kind of data actuation network-building method communicated based on Lora according to claim 2, it is characterized in that the relaying
Device node networking communication process is comprised the following steps that：
(1) repeater node judges whether the data frame received is the signal intensity inspection broadcasted after data frame is received, first
Data frame is surveyed, if it is, reading itself RSSI value and returning to Intelligent iron shoe；If it is not, then carrying out next step judgement；
(2) repeater node compare Self address with send data node destination address it is whether identical, if identical, in
Data are received after the repeater CPU of device node, data are sent by repeater Lora modules；If it is not the same, then entering
Row next step judges；
(3) repeater node continue to compare node of the Self address with sending data relay address it is whether identical, if identical,
Then repeater node forwards data, if it is different, then continuing waiting for next data frame.
5. a kind of data actuation network-building method communicated based on Lora according to claim 2, it is characterized in that described coordinate
Device node networking communication process is comprised the following steps that：
(1) coordinator node judges whether the data frame received is the signal intensity inspection broadcasted after data frame is received, first
Data frame is surveyed, if it is, reading itself RSSI value and returning to Intelligent iron shoe；If it is not, then carrying out next step judgement；
(2) coordinator node continue to compare node of the Self address with sending data destination address it is whether identical, if identical,
Then telegon CPU receives data by telegon Lora modules, and send data to intelligent anti-running prison by ethernet module
Main frame is controlled, if it is different, then continuing waiting for next data frame.
6. a kind of data actuation network-building method communicated based on Lora according to claim 2, it is characterized in that Intelligent iron shoe,
The data frame that repeater node and coordinator node send or received includes Self address, destination address and relay address, institute
State Self address and refer to Lora communication node Self address, the destination address refers to Lora communication final purpose node address, described
Relay address refers to Lora communications need to carry out the relay node address of relay forwarding by the node.
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| CN107942810A (en) * | 2017-12-11 | 2018-04-20 | 南京富岛信息工程有限公司 | A kind of anti running system coordinator and its data processing method based on Zigbee communication data buffering |
| CN108184232A (en) * | 2018-01-23 | 2018-06-19 | 珠海派诺科技股份有限公司 | LORA wireless communications relay method, apparatus and system |
| CN108777882A (en) * | 2018-06-08 | 2018-11-09 | 东北农业大学 | A kind of LoRa communication means, apparatus and system towards low-power consumption wide area network |
| CN108810912A (en) * | 2018-06-11 | 2018-11-13 | 深圳云博智联科技有限公司 | A kind of system and method for realizing Mesh networkings based on LoRa |
| CN109050573A (en) * | 2018-08-15 | 2018-12-21 | 山西大学 | A kind of intelligent anti-running device displacement detector, method and system |
| CN109448346A (en) * | 2018-10-15 | 2019-03-08 | 南京富岛信息工程有限公司 | A kind of intelligence derailer state monitoring system and its group-net communication method |
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| CN110111551A (en) * | 2019-05-07 | 2019-08-09 | 南京富岛信息工程有限公司 | Multichannel intelligent anti-running system, data communications method and communication data frame format |
| CN111132260A (en) * | 2019-11-27 | 2020-05-08 | 江苏三希科技股份有限公司 | Lora communication method and system for multi-route ad hoc network |
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| CN107942810B (en) * | 2017-12-11 | 2020-05-26 | 南京富岛信息工程有限公司 | Anti-slip system coordinator based on Zigbee communication data buffering and data processing method thereof |
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| CN108184232B (en) * | 2018-01-23 | 2021-03-02 | 珠海派诺科技股份有限公司 | LORA wireless communication relay method, device and system |
| CN108777882A (en) * | 2018-06-08 | 2018-11-09 | 东北农业大学 | A kind of LoRa communication means, apparatus and system towards low-power consumption wide area network |
| CN108810912A (en) * | 2018-06-11 | 2018-11-13 | 深圳云博智联科技有限公司 | A kind of system and method for realizing Mesh networkings based on LoRa |
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| CN110087225A (en) * | 2019-04-25 | 2019-08-02 | Oppo广东移动通信有限公司 | Message treatment method and relevant apparatus |
| CN110087225B (en) * | 2019-04-25 | 2021-06-08 | Oppo广东移动通信有限公司 | Message processing method and related device |
| CN110111551A (en) * | 2019-05-07 | 2019-08-09 | 南京富岛信息工程有限公司 | Multichannel intelligent anti-running system, data communications method and communication data frame format |
| CN110111551B (en) * | 2019-05-07 | 2020-12-15 | 南京富岛信息工程有限公司 | Multichannel intelligent anti-slip system, data communication method and communication data frame format |
| CN111132260A (en) * | 2019-11-27 | 2020-05-08 | 江苏三希科技股份有限公司 | Lora communication method and system for multi-route ad hoc network |
| CN111132260B (en) * | 2019-11-27 | 2022-02-18 | 江苏三希科技股份有限公司 | Lora communication method and system for multi-route ad hoc network |
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Application publication date: 20171107 |