CN108667923A - A kind of tunnel structure monitoring device based on Internet of Things - Google Patents
A kind of tunnel structure monitoring device based on Internet of Things Download PDFInfo
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- CN108667923A CN108667923A CN201810415441.6A CN201810415441A CN108667923A CN 108667923 A CN108667923 A CN 108667923A CN 201810415441 A CN201810415441 A CN 201810415441A CN 108667923 A CN108667923 A CN 108667923A
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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
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/06—Testing, supervising or monitoring using simulated traffic
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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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Abstract
The invention belongs to tunnel monitoring technical fields, disclose a kind of tunnel structure monitoring device based on Internet of Things, are provided with data collector；The data collector is fixed on the outside of rock-soil layer, the data collector connects anchorage zone by data line, the anchoring is divided into multiple, it is connected by fibre optical sensor between each anchorage zone, fibre optical sensor can monitor the related data of country rock and prop in tunnel structure, the data collector is by corresponding data transmission to sensing device, the sensing device transfers data to computer terminal or warning device by Internet of Things, and the novel traditional data that solves of the adaptation transmits the inconvenience that consumption resource is big, maintenance is more difficult by optical cable.
Description
Technical field
The invention belongs to tunnel monitoring technical field more particularly to a kind of tunnel structure monitoring devices based on Internet of Things.
Background technology
Tunnel safety is related to life security and the socio-economic activity of the mankind, grasps the healthy shape of the structure in tunnel in time
State is to ensure that the important prerequisite of tunnel safety, structure monitoring are using the lossless sensing technology at scene, by including structural response
Immanent structure network analysis achievees the purpose that structural analysis damage or degenerates；
The essence in tunnel is the synthesis of country rock and supporting construction, and in general, country rock is main load bearing unit,
And supporting construction is complementary and essential, in some special cases, supporting construction is also that main carrying is single
Member, therefore, the monitoring for country rock and supporting construction is the main contents of tunnel monitoring, the monitoring method of labor pain using optical cable into
The distance of the transmission of row data, some tunnels is longer, and also has comparable distance apart from monitoring terminal, on some remote ground
Area needs a considerable amount of optical cables, wastes more resource.
In conclusion problem of the existing technology is：The scope of application of optical cable data transfer is limited, and the number consumed
It measures larger.
Invention content
In view of the problems of the existing technology, the tunnel structure monitoring device based on Internet of Things that the present invention provides a kind of.
The invention is realized in this way a kind of tunnel structure monitoring device based on Internet of Things includes：Data collector；
The data collector is fixed on the outside of rock-soil layer, and protective device, institute are socketed with outside the data collector
It states data collector and anchorage zone is connected by data line, the anchorage zone is provided with multiple, passes through light level between anchorage zone
Device connects, and the light sensor is distributed in the position that entire tunnel needs monitoring data, and the data collector passes through data
Line is connected with sensing device, and the sensing device is connected with Internet of Things by telecommunication, and the Internet of Things passes through telecommunication
It is connected with monitoring terminal；
The data collector forms website gathered data transmission network by ZigBee networkings and remote-terminal unit RTU
Network, sensing data are wirelessly transferred by ZigBee, and be converted to 485 forms in coordinator communicates with remote-terminal unit RTU, far
Journey terminal unit RTU sends commands to sensor at the reservation moment by ZigBee wireless transmissions, starts acquisition and returned data,
Coordinator and terminal device realize the transmitting of data, wired verification with wireless conversion and data；
RTU is sent by 485 forms in predetermined instant and surveys water level or testing temperature order, 485 modules of coordinator part
It is connected to the order and is conveyed in the CPU module of coordinator part, microcontroller is generated to receive and be interrupted, into interrupt routine；
It reads the instruction and another asynchronous serial communication port is selected to send instructions to ZigBee coordinators, it is fixed then to open
When device；
ZigBee coordinators sending out the instruction being connected in the form of wireless, ZigBee terminals are connected to the instruction and should
Instruction is sent in the CPU module of terminal device, and microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the finger received
Another asynchronous serial communication port is enabled and selected, after verification is errorless, 485 modules of terminal device are set to transmission state, and
The instruction is sent afterwards to 485 modules of terminal device again to the pressure sensor in dam, and 485 modules of terminal device are set to
Reception state waits data to be received；
After pressure sensor is connected to order, response measurement simultaneously sends the data measured in the form of 485, and terminal is set
485 standby modules are connected to data and are conveyed in the CPU module of terminal device, and microcontroller is generated to receive and be interrupted, in
Disconnected program, reads the data received and another asynchronous serial communication port is selected to send data to ZigBee terminals；
ZigBee terminals sending out the data being connected in the form of wireless, ZigBee coordinators are connected to the data and should
Data are sent in the CPU module of coordinator, and microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the data received
And select another asynchronous serial communication port, then reset timer and verify, if errorless after verification, it is to send to set 485 modules
The data are simultaneously sent to RTU by state by 485 modules, and 485 module of postposition is reception state, and subsequent command is waited for be sent to；
If wrong after verification, the order that microcontroller retransmission last time is connected to is remeasured to terminal device；If coordinator and no data
It receives, then timer expiry, microcontroller resets Off Timer and sends a command to terminal device again, remeasures；
It is described monitoring terminal signal processing include：
(1) energy consumption model is established：
Whether it is more than threshold value d according to transmission range when sending the data that l is saved to the sensor node at distance d0It is divided into
Two parts：When transmission range is less than threshold value d0When, using free space model；Conversely, then using multipath attenuation model；
εmpFor the power amplification coefficient power amplification ratio of multichannel attenuation model；EelecFor the energy sent or receiving circuit consumes；εfsFor certainly
By the power amplification coefficient power amplification ratio of spatial model；dtoMCHFor cluster inner sensor node to the distance of data cluster head；dtoVCHFor data
Cluster head extremely communicates the distance of cluster head；dtoVCH′To communicate cluster head in cluster to the distance of next-hop trunking traffic cluster head；L is to send number
According to bit numberThreshold value EDAIndicate the energy that data fusion is consumed；
Then sending the energy that needs consume is：
Receiving the energy that needs consume is：ERx(l)=lEelec；
Assuming that N number of sensor node is deployed in the region of M × M, wherein there is k cluster, it is assumed that sensor node is flat
It is assigned in each cluster, i.e., the sensor node of each cluster is consistent without number, then has a N/K sensors section in each cluster
Point, including a main cluster head MCH, a pair cluster head VCH and (N/k-2) a sensor node；
In the frame that network is often taken turns, the ENERGY E of main cluster head consumptionMCHIt is sent including receiving cluster inner sensor node
Data packet and merge data consumption energy and main cluster head send data to the energy that secondary cluster head is consumed；Secondary cluster head
The ENERGY E of consumptionVCHIncluding transmission data packet to the energy of base station and the data packet consumption for forwarding other cluster heads；Cluster inner sensor
The energy of node consumption includes the energy of gathered data consumption and sends data to the energy of main cluster head；Assuming that cluster in communicate away from
From no more than threshold value d0, the distance communicated between cluster head is also no more than threshold value d0；
So the gross energy ε that main cluster head is consumedMCH：
The gross energy E of secondary cluster head consumptionVCHIt indicates：
The gross energy of each sensor node consumption indicates in cluster：
The gross energy of main cluster head, secondary cluster head and the consumption of all the sensors node indicates in one cluster：
The gross energy of k cluster consumption indicates：
Further, the anchor pole of the anchorage zone is plugged on the rock-soil layer position for needing to monitor.
Further, IP address dynamic allocation method includes two new frame knots in the WLAN of the data collector
Structure and a new transmission/receiver function；
Frame structure includes：
Packet type：Identify HELLO message；
Version：The version number of the HELLO message received is identical as the Version of oneself, handles, different then abandon；
TTL：HELLO message life cycles；
Mark：Identify immediate neighbor, two-way link, visualization；
Initiator IP address：Generate the IP address of the node of HELLO message；
Seq：HELLO message it is new and old；
Initiator MAC Address：Generate the interface IP address of HELLO message；
Sender MAC Address：Forward the MAC Address of the node of HELLO message；
flag：It identifies whether to be gateway node；
qos：Link-quality；
Conflict notification packet format：
Head：L2MPM protocol headers；
Mark：Conflict notification packet identifies；
IP address：The IP address of conflict；
Dst：The MAC Address of conflicting nodes；
Src：Send the MAC Address of the node of conflict notification；
New transmission/receiver function is as follows：
The transmission conflict notification Function Format newly defined is as follows：
L2MPM_send_collimsg(struct L2MPM_pri*m_pri,__be32ip,uint8_t*mac)；
The reception conflict notification Function Format newly defined is as follows：
L2MPM_receive_collimsg(struct sk_buff*skb,struct L2MPM_port*receive_
if)。
Advantages of the present invention and good effect are：The light sensor of the invention is both sensor information and transmission medium,
As sensor information, have the advantages that measurement sensitivity height, performance are stablized, as transmission medium, not by electricity in transmission process
The interference of magnetic, loss of signal amount is small, and the medium of detection data transmission is used as by technology of Internet of things, breaches the limit for transmitting distance
Remote distributed monitoring may be implemented in system, and anchorage zone is set to anchor pole, can in tunnel-liner and seam deformation monitoring, carry
The high precision of monitoring.
Description of the drawings
Fig. 1 is that the tunnel structure monitoring device collecting method structure provided in an embodiment of the present invention based on Internet of Things is shown
It is intended to.
Fig. 2 is the tunnel structure monitoring device system structure diagram provided in an embodiment of the present invention based on Internet of Things.
In figure：1, rock-soil layer；2, data collector；3, anchorage zone；4, light sensor；5, sensing device；6, Internet of Things；
7, terminal is monitored.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows.
The structure of the present invention is explained in detail below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the tunnel structure monitoring device provided in an embodiment of the present invention based on Internet of Things is provided with：
Rock-soil layer 1, data collector 2, anchorage zone 3, light sensor 4, sensing device 5, Internet of Things 6, monitoring terminal 7.
The data collector 2 is fixed on the outside of rock-soil layer 1, and protective device is socketed with outside the data collector 2,
The data collector 2 connects anchorage zone 3 by data line, and the anchorage zone 3 is provided with multiple, passes through light between anchorage zone 3
Line sensor 4 connects, and the light sensor 4 is distributed in the position that entire tunnel needs monitoring data, the data collector
It is connected with sensing device by data line, the sensing device is connected with Internet of Things 6 by telecommunication, and the Internet of Things 6 is logical
Crossing long-range communication connection has monitoring terminal 7.
The data collector forms website gathered data transmission network by ZigBee networkings and remote-terminal unit RTU
Network, sensing data are wirelessly transferred by ZigBee, and be converted to 485 forms in coordinator communicates with remote-terminal unit RTU, far
Journey terminal unit RTU sends commands to sensor at the reservation moment by ZigBee wireless transmissions, starts acquisition and returned data,
Coordinator and terminal device realize the transmitting of data, wired verification with wireless conversion and data；
RTU is sent by 485 forms in predetermined instant and surveys water level or testing temperature order, 485 modules of coordinator part
It is connected to the order and is conveyed in the CPU module of coordinator part, microcontroller is generated to receive and be interrupted, into interrupt routine；
It reads the instruction and another asynchronous serial communication port is selected to send instructions to ZigBee coordinators, it is fixed then to open
When device；
ZigBee coordinators sending out the instruction being connected in the form of wireless, ZigBee terminals are connected to the instruction and should
Instruction is sent in the CPU module of terminal device, and microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the finger received
Another asynchronous serial communication port is enabled and selected, after verification is errorless, 485 modules of terminal device are set to transmission state, and
The instruction is sent afterwards to 485 modules of terminal device again to the pressure sensor in dam, and 485 modules of terminal device are set to
Reception state waits data to be received；
After pressure sensor is connected to order, response measurement simultaneously sends the data measured in the form of 485, and terminal is set
485 standby modules are connected to data and are conveyed in the CPU module of terminal device, and microcontroller is generated to receive and be interrupted, in
Disconnected program, reads the data received and another asynchronous serial communication port is selected to send data to ZigBee terminals；
ZigBee terminals sending out the data being connected in the form of wireless, ZigBee coordinators are connected to the data and should
Data are sent in the CPU module of coordinator, and microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the data received
And select another asynchronous serial communication port, then reset timer and verify, if errorless after verification, it is to send to set 485 modules
The data are simultaneously sent to RTU by state by 485 modules, and 485 module of postposition is reception state, and subsequent command is waited for be sent to；
If wrong after verification, the order that microcontroller retransmission last time is connected to is remeasured to terminal device；If coordinator and no data
It receives, then timer expiry, microcontroller resets Off Timer and sends a command to terminal device again, remeasures；
It is described monitoring terminal signal processing include：
(1) energy consumption model is established：
Whether it is more than threshold value d according to transmission range when sending the data that l is saved to the sensor node at distance d0It is divided into
Two parts：When transmission range is less than threshold value d0When, using free space model；Conversely, then using multipath attenuation model；
εmpFor the power amplification coefficient power amplification ratio of multichannel attenuation model；EelecFor the energy sent or receiving circuit consumes；εfsFor certainly
By the power amplification coefficient power amplification ratio of spatial model；dtoMCHFor cluster inner sensor node to the distance of data cluster head；dtoVCHFor data
Cluster head extremely communicates the distance of cluster head；dtoVCH′To communicate cluster head in cluster to the distance of next-hop trunking traffic cluster head；L is to send number
According to bit numberThreshold value EDAIndicate the energy that data fusion is consumed；
Then sending the energy that needs consume is：
Receiving the energy that needs consume is：ERx(l)=lEelec；
Assuming that N number of sensor node is deployed in the region of M × M, wherein there is k cluster, it is assumed that sensor node is flat
It is assigned in each cluster, i.e., the sensor node of each cluster is consistent without number, then has a N/K sensors section in each cluster
Point, including a main cluster head MCH, a pair cluster head VCH and (N/k-2) a sensor node；
In the frame that network is often taken turns, the ENERGY E of main cluster head consumptionMCHIt is sent including receiving cluster inner sensor node
Data packet and merge data consumption energy and main cluster head send data to the energy that secondary cluster head is consumed；Secondary cluster head
The ENERGY E of consumptionVCHIncluding transmission data packet to the energy of base station and the data packet consumption for forwarding other cluster heads；Cluster inner sensor
The energy of node consumption includes the energy of gathered data consumption and sends data to the energy of main cluster head；Assuming that cluster in communicate away from
From no more than threshold value d0, the distance communicated between cluster head is also no more than threshold value d0；
So the gross energy ε that main cluster head is consumedMCH：
The gross energy E of secondary cluster head consumptionVCHIt indicates：
The gross energy of each sensor node consumption indicates in cluster：
The gross energy of main cluster head, secondary cluster head and the consumption of all the sensors node indicates in one cluster：
The gross energy of k cluster consumption indicates：
IP address dynamic allocation method includes that two new frame structures and one are new in the WLAN of data collector
Transmission/receiver function；
Frame structure includes：
Packet type：Identify HELLO message；
Version：The version number of the HELLO message received is identical as the Version of oneself, handles, different then abandon；
TTL：HELLO message life cycles；
Mark：Identify immediate neighbor, two-way link, visualization；
Initiator IP address：Generate the IP address of the node of HELLO message；
Seq：HELLO message it is new and old；
Initiator MAC Address：Generate the interface IP address of HELLO message；
Sender MAC Address：Forward the MAC Address of the node of HELLO message；
flag：It identifies whether to be gateway node；
qos：Link-quality；
Conflict notification packet format：
Head：L2MPM protocol headers；
Mark：Conflict notification packet identifies；
IP address：The IP address of conflict；
Dst：The MAC Address of conflicting nodes；
Src：Send the MAC Address of the node of conflict notification；
New transmission/receiver function is as follows：
The transmission conflict notification Function Format newly defined is as follows：
L2MPM_send_collimsg(struct L2MPM_pri*m_pri,__be32ip,uint8_t*mac)；
The reception conflict notification Function Format newly defined is as follows：
L2MPM_receive_collimsg(struct sk_buff*skb,struct L2MPM_port*receive_
if)。
The operation principle of the present invention：Anchorage zone 3 is provided with anchor pole, and anchor pole is inserted in rock-soil layer 1, to fix optical fiber
The inside of rock-soil layer, distributive fiber optic strain of the light sensor 4 based on back-scattering light measure, and temperature occurs along optical fiber
Change or there are when axial strain, the frequency shifts backwards to Brillouin scattering in optical fiber, the drift value of frequency with
Fibre strain and the variation of temperature are in good linear relationship, therefore can be obtained by optical fiber edge by the drift value of monitoring frequency
The distributed intelligence of line temperature and strain, the data that the data collector 2 monitors acquisition fibre optical sensor 4, passes through and incudes dress
Connection Internet of Things 6 is set, the information of monitoring is passed into monitoring terminal 7, monitoring terminal 7 is further handled and divided to data
Analysis, if transmitting signal.
The above is only the preferred embodiments of the present invention, and is not intended to limit the present invention in any form,
Every any simple modification made to the above embodiment according to the technical essence of the invention, equivalent variations and modification, belong to
In the range of technical solution of the present invention.
Claims (3)
1. a kind of tunnel structure monitoring device based on Internet of Things, which is characterized in that the tunnel structure prison based on Internet of Things
Device is surveyed to be provided with：
Data collector；
The data collector is fixed on the outside of rock-soil layer, and protective device, the number are socketed with outside the data collector
Anchorage zone is connected by data line according to collector, the anchorage zone is provided with multiple, connects by light sensor between anchorage zone
It connects, the light sensor is distributed in the position that entire tunnel needs monitoring data, and the data collector is connected by data line
It is connected to sensing device, the sensing device is connected with Internet of Things by telecommunication, and the Internet of Things is connected by telecommunication
There is monitoring terminal；
The data collector forms website gathered data transmission network by ZigBee networkings and remote-terminal unit RTU, passes
Sensor data are wirelessly transferred by ZigBee, and be converted to 485 forms in coordinator communicates with remote-terminal unit RTU, long-range whole
End unit RTU sends commands to sensor at the reservation moment by ZigBee wireless transmissions, starts acquisition and returned data, coordination
Device and terminal device realize the transmitting of data, wired verification with wireless conversion and data；
RTU sends survey water level by 485 forms in predetermined instant or testing temperature order, 485 modules of coordinator part are connected to
The order is simultaneously conveyed in the CPU module of coordinator part, and microcontroller is generated to receive and be interrupted, into interrupt routine；
It reads the instruction and another asynchronous serial communication port is selected to send instructions to ZigBee coordinators, then opening timing
Device；
ZigBee coordinators sending out the instruction being connected in the form of wireless, ZigBee terminals are connected to the instruction and by the instructions
It is sent in the CPU module of terminal device, microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the instruction received simultaneously
Another asynchronous serial communication port is selected, after verification is errorless, 485 modules of terminal device is set to transmission state, are then sent out
The instruction is given, again to the pressure sensor in dam, 485 modules of terminal device to be set to reception to 485 modules of terminal device
State waits data to be received；
After pressure sensor is connected to order, response measurement simultaneously sends the data measured in the form of 485, terminal device
485 modules are connected to data and are conveyed in the CPU module of terminal device, and microcontroller is generated to receive and be interrupted, into interruption journey
Sequence reads the data received and another asynchronous serial communication port is selected to send data to ZigBee terminals；
ZigBee terminals sending out the data being connected in the form of wireless, ZigBee coordinators are connected to the data and by the data
It is sent in the CPU module of coordinator, microcontroller is generated to receive and be interrupted, and into interrupt routine, reads the data received and choosing
Another asynchronous serial communication port is selected, timer is then reset and is verified, if errorless after verification, it is transmission state to set 485 modules
And the data are sent to RTU by 485 modules, and 485 module of postposition is reception state, and subsequent command is waited for be sent to；If school
Test rear wrong, microcontroller retransmits the order that is connected to of last time to terminal device, remeasures；If simultaneously no data connects coordinator
It receives, then timer expiry, microcontroller resets Off Timer and sends a command to terminal device again, remeasures；
It is described monitoring terminal signal processing include：
(1) energy consumption model is established：
Whether it is more than threshold value d according to transmission range when sending the data that l is saved to the sensor node at distance d0It is divided into two
Point：When transmission range is less than threshold value d0When, using free space model；Conversely, then using multipath attenuation model；
εmpFor the power amplification coefficient power amplification ratio of multichannel attenuation model；EelecFor the energy sent or receiving circuit consumes；εfsFor free sky
Between model power amplification coefficient power amplification ratio；dtoMCHFor cluster inner sensor node to the distance of data cluster head；dtoVCHFor data cluster head
To the distance of communication cluster head；dtoVCH′To communicate cluster head in cluster to the distance of next-hop trunking traffic cluster head；L is transmission data
Bit numberThreshold value EDAIndicate the energy that data fusion is consumed；
Then sending the energy that needs consume is：
Receiving the energy that needs consume is：ERx(l)=lEelec；
Assuming that N number of sensor node is deployed in the region of M × M, wherein there is k cluster, it is assumed that sensor node is average mark
It being fitted in each cluster, i.e., the sensor node of each cluster is consistent without number, then has a N/K sensor nodes in each cluster,
Including a main cluster head MCH, a pair cluster head VCH and (N/k-2) a sensor node；
In the frame that network is often taken turns, the ENERGY E of main cluster head consumptionMCHThe data sent including receiving cluster inner sensor node
Wrap and merge data consumption energy and main cluster head send data to the energy that secondary cluster head is consumed；Secondary cluster head consumption
ENERGY EVCHIncluding transmission data packet to the energy of base station and the data packet consumption for forwarding other cluster heads；Cluster inner sensor node
The energy of consumption includes the energy of gathered data consumption and sends data to the energy of main cluster head；Assuming that the distance communicated in cluster is not
More than threshold value d0, the distance communicated between cluster head is also no more than threshold value d0；
So the gross energy ε that main cluster head is consumedMCH：
The gross energy E of secondary cluster head consumptionVCHIt indicates：
The gross energy of each sensor node consumption indicates in cluster：
The gross energy of main cluster head, secondary cluster head and the consumption of all the sensors node indicates in one cluster：
The gross energy of k cluster consumption indicates：
2. the tunnel structure monitoring device based on Internet of Things as described in claim 1, which is characterized in that the anchor of the anchorage zone
Bar is plugged on the rock-soil layer position for needing to monitor.
3. the tunnel structure monitoring device based on Internet of Things as described in claim 1, which is characterized in that the data collector
WLAN in IP address dynamic allocation method include two new frame structures and a new transmission/receiver function；
Frame structure includes：
Packet type：Identify HELLO message；
Version：The version number of the HELLO message received is identical as the Version of oneself, handles, different then abandon；
TTL：HELLO message life cycles；
Mark：Identify immediate neighbor, two-way link, visualization；
Initiator IP address：Generate the IP address of the node of HELLO message；
Seq：HELLO message it is new and old；
The addresses InitiatorMAC：Generate the interface IP address of HELLO message；
The addresses SenderMAC：Forward the MAC Address of the node of HELLO message；
flag：It identifies whether to be gateway node；
qos：Link-quality；
Conflict notification packet format：
Head：L2MPM protocol headers；
Mark：Conflict notification packet identifies；
IP address：The IP address of conflict；
Dst：The MAC Address of conflicting nodes；
Src：Send the MAC Address of the node of conflict notification；
New transmission/receiver function is as follows：
The transmission conflict notification Function Format newly defined is as follows：
L2MPM_send_collimsg(struct L2MPM_pri*m_pri,__be32ip,uint8_t*mac)；
The reception conflict notification Function Format newly defined is as follows：
L2MPM_receive_collimsg(struct sk_buff*skb,struct L2MPM_port*receive_if)。
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| CN201810415441.6A CN108667923A (en) | 2018-05-03 | 2018-05-03 | A kind of tunnel structure monitoring device based on Internet of Things |
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|---|---|---|---|---|
| CN102419346A (en) * | 2011-08-10 | 2012-04-18 | 中国矿业大学 | Bolting support quality detection method and detection device |
| JP2014190841A (en) * | 2013-03-27 | 2014-10-06 | Omiya Ind Co Ltd | Anchor bolt failure detection system |
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