CN107800800A - A kind of transmission tower guard system - Google Patents
A kind of transmission tower guard system Download PDFInfo
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- CN107800800A CN107800800A CN201711079853.9A CN201711079853A CN107800800A CN 107800800 A CN107800800 A CN 107800800A CN 201711079853 A CN201711079853 A CN 201711079853A CN 107800800 A CN107800800 A CN 107800800A
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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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- 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
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention provides a kind of transmission tower guard system, including wireless sensor network, transmission tower monitors protective platform and intelligent terminal, the wireless sensor network is used to gather the compromised sensing data of transmission tower, and the compromised sensing data of the transmission tower collected is sent to the transmission tower and monitors protective platform, the transmission tower monitoring protective platform is used to receive, storage, show the compromised sensing data of transmission tower, and by the compromised sensing data of transmission tower compared with the boundary value of normality threshold scope set in advance, if exceed normality threshold scope, then output alarm signal.The present invention realizes transmission tower monitoring using wireless sensor network technology, and is alarmed in the compromised sensing data exception of transmission tower, is easy to related personnel to carry out remote monitoring.
Description
Technical Field
The invention relates to the technical field of transmission tower monitoring, in particular to a transmission tower protection system.
Background
In recent years, with global warming, severe weather such as typhoon, rainstorm, strong thunderstorm and the like frequently occur, so that natural disasters such as mountain torrents, tower foundation washout, power transmission line breaking due to storm wind, power transmission line scraping, power transmission line tower scraping and the like frequently occur, and the natural disasters form increasing dangers for safe operation of a power grid.
In addition, with the rapid development of economy and the rapid increase of national key infrastructure construction, such as the mass erection of new high-speed railways, new highways, new high-voltage transmission lines and other new key projects, the construction inevitably needs to cross high-voltage transmission corridors and even close to towers. However, these construction units generally do not have professional knowledge of high-voltage power transmission and transformation technology, and lack knowledge of the danger of work in high-voltage corridors. The construction is usually carried out by adopting various large-scale machines, and serious accidents such as dangerous approaching and even line-touching short circuit can be caused. Rough excavation close to the tower and the like may cause serious accidents such as tower foundation damage, tower overturning and the like.
And some temporary constructions do not inform the power operation units because the construction units do not know or get luck psychology, so that safety supervision is lost, and accident potential is formed. More small-sized and individual construction operations are desirable. And the patrolman cannot monitor the whole process, and when the problems are discovered, accidents or accident symptoms are often caused, so that great hidden dangers are brought to the safe operation of the power grid.
Disclosure of Invention
Aiming at the problems, the invention provides a transmission tower protection system.
The purpose of the invention is realized by collecting the following technical scheme:
the transmission tower monitoring and protecting platform is used for receiving, storing and displaying the transmission tower threatened sensing data, comparing the transmission tower threatened sensing data with a boundary value of a preset normal threshold range, and outputting an alarm signal if the transmission tower threatened sensing data exceeds the normal threshold range; the intelligent terminal is connected with the transmission tower monitoring and protecting platform through a communication network and is used for accessing transmission tower threatened sensing data in the transmission tower monitoring and protecting platform in real time.
The invention has the beneficial effects that: the monitoring of the transmission tower is realized by utilizing the wireless sensor network technology, and the alarm is given when the transmission tower is threatened and the sensing data is abnormal, so that the remote monitoring and the protection of related personnel are facilitated.
Drawings
The invention is further illustrated by means of the attached drawings, but the embodiments in the drawings do not constitute any limitation to the invention, and for a person skilled in the art, other drawings can be obtained on the basis of the following drawings without inventive effort.
FIG. 1 is a block diagram of the present invention;
fig. 2 is a connection block diagram of the transmission tower monitoring and protecting platform of the present invention.
Reference numerals:
the system comprises a wireless sensor network 1, a transmission tower monitoring and protecting platform 2, an intelligent terminal 3, a data communication module 10, a data abnormity analysis module 20 and an abnormity alarm module 30.
Detailed Description
The invention is further described with reference to the following examples.
Referring to fig. 1, the transmission tower protection system provided in this embodiment includes a wireless sensor network 1, a transmission tower monitoring protection platform 2 and an intelligent terminal 3, where the wireless sensor network 1 is configured to collect transmission tower threatened sensing data and send the collected transmission tower threatened sensing data to the transmission tower monitoring protection platform 2, and the transmission tower monitoring protection platform 2 is configured to receive, store and display the transmission tower threatened sensing data, compare the transmission tower threatened sensing data with a boundary value of a preset normal threshold range, and output an alarm signal if the transmission tower threatened sensing data exceeds the normal threshold range; the intelligent terminal 3 is connected with the transmission tower monitoring and protecting platform 2 through a communication network and is used for accessing transmission tower threatened sensing data in the transmission tower monitoring and protecting platform 2 in real time.
In one embodiment, as shown in fig. 2, the transmission tower monitoring and protecting platform 2 includes a data communication module 10, a data anomaly analysis module 20, and an anomaly alarm module 30, where the data communication module 10 is connected to the data anomaly analysis module 20, and the data anomaly analysis module 20 is connected to the anomaly alarm module 30.
In one embodiment, the threat sensing data of the transmission tower comprises vibration signals around the transmission tower and local horizontal displacement of the transmission tower.
In the above embodiment, when a person climbs and knocks the power transmission tower and the surrounding of the power transmission tower has a phenomenon that earthmoving construction, large machinery approaches and the like to generate vibration, the wireless sensor network 1 can acquire signals.
The embodiment of the invention realizes the monitoring of the transmission tower by utilizing the wireless sensor network technology, and gives an alarm when the transmission tower is threatened and the sensing data is abnormal, thereby facilitating the remote monitoring of related personnel.
In one embodiment, the wireless sensor network 1 includes a base station node set outside a transmission tower monitoring area and a plurality of sensor nodes deployed in the set transmission tower monitoring area; when network topology construction is carried out, a plurality of backbone nodes are selected by the sensor nodes through election, and the base station nodes establish routing paths from all the backbone nodes to the base station nodes, so that a backbone network is formed; the method comprises the steps that the remaining sensor nodes send collected transmission tower threatened sensing data to the nearest backbone node, the backbone node is used for collecting the transmission tower threatened sensing data sent by the sensor nodes, the collected transmission tower threatened sensing data and the transmission tower threatened sensing data collected by the backbone node are fused, and the fused transmission tower threatened sensing data are sent to a base station node according to the established routing path.
In one embodiment, the selecting, by the sensor node, a plurality of backbone nodes by election specifically includes:
(1) Initially, each sensor node acquires information of other sensor nodes in a communication range of the sensor node through information interaction, and a neighbor node list is created and updated;
(2) Each sensor node calculates a random threshold value according to the following formula:
in the formula, T i Representing a random threshold value calculated by the sensor node i, E i Mu is the energy cost of sending a transmission tower threatened sensing data packet for the set sensor node, v is the energy cost of receiving a transmission tower threatened sensing data packet for the set sensor node, n is the current residual energy of the sensor node i i Representing the number of neighbor nodes of a sensor node i, wherein the neighbor nodes are other sensor nodes positioned in the communication range of the sensor node, D (i, j) is the distance between the sensor node i and the jth neighbor node thereof, D (i, sink) is the distance between the sensor node i and a base station node, and eta 1 、η 2 Is a set weight factor;
(3) Each sensor node generates a random number between 0 and 1 by using a secure encrypted random number generator, and judges whether the random number is smaller than a calculated random threshold value, if so, the sensor node is selected as an alternative backbone node;
(4) And each alternative backbone node confirms whether other alternative backbone nodes exist in the communication range of the alternative backbone node through information interaction, if so, the current residual energy and the number of neighbor nodes are compared, if the current residual energy and the number of neighbor nodes are smaller than that of other alternative backbone nodes in the communication range, the backbone node election is abandoned, and finally, the alternative backbone nodes which are not abandoned and are elected by the backbone node election are successfully selected as the backbone nodes.
The embodiment provides an election mechanism of backbone nodes, which randomly elects alternative backbone nodes by means of a random threshold value, so that each sensor node in a good state has an opportunity to become a backbone node, which is beneficial to establishing a wide-range backbone network, improves the uniformity of the backbone nodes in a deployment area of the wireless sensor network 1, and reduces network loss caused by aggregation of the backbone nodes; the election mechanism further screens out the alternative backbone nodes with current residual energy and small node density from the alternative backbone nodes with a relatively short distance, so that the scale of the backbone network is reduced, and the communication cost for collecting the threatened sensing data of the transmission tower is further saved.
In one embodiment, the base station node establishes a routing path from each backbone node to the base station node, and specifically includes:
(1) Setting a backbone node as phi, setting the base station node as sink, acquiring all routing paths from the base station node to the base station node, wherein each routing path is formed by connecting a plurality of backbone nodes, defining the rest backbone nodes except the phi as relay forwarding nodes of the phi, transmitting the threatened sensing data of the transmission tower to the backbone nodes as child nodes of the backbone nodes, and calculating the selection probability of each routing path:
in the formula (I), the compound is shown in the specification,represents the rho-th routing path from the backbone node phi to the base station node sink,is composed ofToThe current residual energy of each relay forwarding node is mu, the energy cost of a transmission tower threatened sensing data packet is sent to the set sensor node, v, the energy cost of a transmission tower threatened sensing data packet is received by the set sensor node,is composed ofToNumber of child nodes of relay forwarding node, M ρ Is composed ofThe number of the relay forwarding nodes on the network,is composed ofToThe maximum communication radius of each relay forwarding node,is composed ofTotal length of path of (1), λ 1 、λ 2 Is a set weight coefficient and satisfies 0<λ 2 <λ 1 <1；
(2) And selecting the routing path with the highest probability as the final routing path.
In this embodiment, based on the energy consumption of the relay forwarding node, the communication radius, and the length factor of the routing path, a calculation formula of the selection probability of the routing path is designed, and the routing path from the backbone node to the base station node is selected according to the selection probability, so that a better routing path with a longer life cycle can be established, and the energy of each backbone node and the load of the relay forwarding node are balanced and borne on the premise of ensuring a shorter routing distance, which is helpful for prolonging the life cycle of the wireless sensor network 1, and a good foundation is laid for effective monitoring and protection of the power transmission tower.
In one embodiment, when no backbone node exists in a communication range of a sensor node, the sensor node transmits acquired transmission tower threatened sensing data to a neighbor node with a maximum state value, the neighbor node forwards the transmission tower threatened sensing data to the backbone node with a nearest distance, when the sensor node acquires the state value of the neighbor node, the sensor node broadcasts a message to each neighbor node, and each neighbor node calculates its own state value through the following formula and feeds back the state value to the sensor node:
in the formula, Z αβ State value, R, of the beta-th neighbor node representing sensor node alpha αβmax The maximum communication radius of the beta-th neighbor node of the sensor node alpha, D (alpha beta, gamma) is the distance between the beta-th neighbor node of the sensor node alpha and the backbone node closest to the beta-th neighbor node of the sensor node alpha, n αβ The number of neighbor nodes, n, of the beta-th neighbor node of the sensor node alpha α Number of neighbor nodes of sensor node alpha, χ 1 、χ 2 Is a set weight factor and satisfies 0<χ 1 ,χ 2 <1。
The embodiment considers the situation that no backbone node exists in the communication range of the sensor node, and provides a transmission tower threatened sensing data transmission mechanism of the sensor node far away from the backbone node, wherein a calculation formula of a state value is formulated according to the distance between a neighbor node and the backbone node closest to the neighbor node, the communication range and the node density, the sensor node selects the state value of the neighbor node from the state values to assist in forwarding the transmission tower threatened sensing data, the reliability of the transmission tower threatened sensing data forwarding is favorably ensured, the energy consumption of the transmission tower threatened sensing data forwarding transmission is further saved, and the state value of the sensor node is not measured by using the current residual energy, so that the sensor node only needs to acquire the state value once in the topology construction process, the energy consumption caused by multiple times of confirmation is avoided, and the communication cost of the transmission tower intelligent protection system in the transmission tower threatened sensing data collection aspect is saved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (6)
1. A transmission tower protection system is characterized by comprising a wireless sensor network, a transmission tower monitoring and protection platform and an intelligent terminal, wherein the wireless sensor network is used for collecting transmission tower threatened sensing data and sending the collected transmission tower threatened sensing data to the transmission tower monitoring and protection platform, the transmission tower monitoring and protection platform is used for receiving, storing and displaying the transmission tower threatened sensing data, comparing the transmission tower threatened sensing data with a boundary value of a preset normal threshold range, and outputting an alarm signal if the transmission tower threatened sensing data exceeds the normal threshold range; the intelligent terminal is connected with the transmission tower monitoring and protecting platform through a communication network and is used for accessing transmission tower threatened sensing data in the transmission tower monitoring and protecting platform in real time.
2. The protection system of claim 1, wherein the transmission tower monitoring and protection platform comprises a data communication module, a data anomaly analysis module and an anomaly alarm module, the data communication module is connected with the data anomaly analysis module, and the data anomaly analysis module is connected with the anomaly alarm module.
3. The system according to claim 1, wherein the transmission tower threat sensing data comprises vibration signals around the transmission tower and local horizontal displacement of the transmission tower.
4. The system according to claim 1, wherein the wireless sensor network comprises a base station node located outside the monitoring area of the power transmission tower and a plurality of sensor nodes located within the monitoring area of the power transmission tower.
5. The transmission tower protection system according to claim 4, wherein when the network topology is constructed, the sensor nodes select a plurality of backbone nodes through election, and the base station nodes establish routing paths from the backbone nodes to the base station nodes, so that a backbone network is formed; the method comprises the steps that the remaining sensor nodes send collected transmission tower threatened sensing data to the nearest backbone node, the backbone node is used for collecting the transmission tower threatened sensing data sent by the sensor nodes, the collected transmission tower threatened sensing data and the transmission tower threatened sensing data collected by the backbone node are fused, and the fused transmission tower threatened sensing data are sent to a base station node according to the established routing path.
6. The transmission tower protection system according to claim 5, wherein the sensor nodes select a plurality of backbone nodes through election, specifically comprising:
(1) Initially, each sensor node acquires information of other sensor nodes in a communication range of the sensor node through information interaction, and a neighbor node list is created and updated;
(2) Each sensor node calculates a random threshold value according to the following formula:
in the formula, T i Representing a random threshold value calculated by the sensor node i, E i Mu is the energy cost of sending a transmission tower threatened sensing data packet for the set sensor node, v is the energy cost of receiving a transmission tower threatened sensing data packet for the set sensor node, n is the current residual energy of the sensor node i i The number of neighbor nodes of the sensor node i is represented, wherein the neighbor nodes are other sensors positioned in the communication range of the sensor nodeD (i, j) is the distance between the sensor node i and the jth neighbor node thereof, D (i, sink) is the distance between the sensor node i and the base station node, and eta is 1 、η 2 Is a set weight factor;
(3) Each sensor node generates a random number between 0 and 1 by using a secure encrypted random number generator, and judges whether the random number is smaller than a calculated random threshold value, if so, the sensor node is selected as an alternative backbone node;
(4) And each alternative backbone node confirms whether other alternative backbone nodes exist in the communication range of the alternative backbone node through information interaction, if so, the current residual energy and the number of neighbor nodes are compared, if the current residual energy and the number of neighbor nodes are smaller than that of other alternative backbone nodes in the communication range, the backbone node election is abandoned, and finally, the alternative backbone nodes which are not abandoned and are elected by the backbone node election are successfully selected as the backbone nodes.
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| CN201711079853.9A CN107800800A (en) | 2017-11-06 | 2017-11-06 | A kind of transmission tower guard system |
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| CN107993418A (en) * | 2017-11-21 | 2018-05-04 | 钟永松 | A kind of transmission tower protective device |
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