CN107680343A - A kind of transmission tower intelligent protection system - Google Patents
A kind of transmission tower intelligent protection system Download PDFInfo
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- CN107680343A CN107680343A CN201710855277.6A CN201710855277A CN107680343A CN 107680343 A CN107680343 A CN 107680343A CN 201710855277 A CN201710855277 A CN 201710855277A CN 107680343 A CN107680343 A CN 107680343A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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Abstract
The invention provides a kind of transmission tower intelligent protection system, including the real-time monitoring modular of transmission tower, transmission tower monitors protection center and user terminal, the real-time monitoring modular of transmission tower is used to gather the Monitoring Data that the transmission tower that transmission tower is on the hazard is on the hazard, and the Monitoring Data that the transmission tower that the transmission tower collected is on the hazard is on the hazard is sent to the transmission tower monitoring protection center, the transmission tower monitoring protection center is used to receive, storage, the Monitoring Data that the transmission tower that display transmission tower is on the hazard is on the hazard, and the Monitoring Data that the transmission tower that transmission tower is on the hazard is on the hazard is 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 and protection using wireless sensor network technology.
Description
Technical Field
The invention relates to the technical field of transmission tower monitoring, in particular to an intelligent protection system for a transmission tower.
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 a large amount of new high-speed railways, new highways, new high-voltage transmission lines and other new key projects, the construction inevitably needs to pass through a high-voltage transmission corridor and even close to a tower. 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. These constructions often adopt a plurality of large-scale mechanical constructions, may cause the emergence of dangerous nearly even meeting the vicious accident such as line short circuit. The violent excavation close to the tower and the like may cause serious disastrous 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 can not monitor the system in the whole process, and when problems are found, 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 an intelligent protection system for a transmission tower.
The purpose of the invention is realized by collecting the following technical scheme:
the intelligent protection system comprises a transmission tower real-time monitoring module, a transmission tower monitoring and protection center and a user terminal, wherein the transmission tower real-time monitoring module is used for acquiring monitoring data of a transmission tower threatened by the transmission tower and sending the acquired monitoring data of the transmission tower threatened by the transmission tower to the transmission tower monitoring and protection center, the transmission tower monitoring and protection center is used for receiving, storing and displaying the monitoring data of the transmission tower threatened by the transmission tower, comparing the monitoring data of the transmission tower threatened by the transmission tower with a boundary value of a preset normal threshold range, and outputting an alarm signal if the monitoring data exceeds the normal threshold range; the user terminal is connected with the transmission tower monitoring and protecting center through a communication network and is used for accessing monitoring data of the transmission tower threatened in the transmission tower monitoring and protecting center in real time.
The beneficial effects of the invention are as follows: the monitoring of the transmission tower is realized, and the alarm is given when the monitoring data of the transmission tower threatened by the transmission tower is abnormal, so that the related personnel can conveniently carry out remote monitoring.
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, without inventive effort, further drawings may be derived from the following figures.
FIG. 1 is a block diagram of the present invention;
fig. 2 is a connection block diagram of the transmission tower monitoring and protection center of the present invention.
Reference numerals:
the system comprises a transmission tower real-time monitoring module 1, a transmission tower monitoring and protecting center 2, a user terminal 3, a data communication module 10, a data analysis and processing 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 and fig. 2, the intelligent protection system for the transmission tower provided by this embodiment includes a transmission tower real-time monitoring module 1, a transmission tower monitoring and protection center 2 and a user terminal 3, where the transmission tower real-time monitoring module 1 is configured to collect monitoring data that a transmission tower threatens and transmit the collected monitoring data that the transmission tower threatens to the transmission tower monitoring and protection center 2, the transmission tower monitoring and protection center 2 is configured to receive, store and display the monitoring data that the transmission tower threatens and compare the monitoring data that the transmission tower threatens with a boundary value of a preset normal threshold range, and if the monitoring data exceeds the normal threshold range, output an alarm signal; the user terminal 3 is connected with the transmission tower monitoring and protecting center 2 through a communication network and is used for accessing monitoring data of the transmission tower threatened by the transmission tower in the transmission tower monitoring and protecting center 2 in real time.
In one embodiment, the transmission tower monitoring and protecting center 2 includes a data communication module 10, a data analysis processing module 20, and an abnormality alarm module 30, where the data communication module 10 is connected to the data analysis processing module 20, and the data analysis processing module 20 is connected to the abnormality alarm module 30.
In one embodiment, the monitoring data of the threatening 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 transmission tower and the surrounding of the transmission tower has a phenomenon that earthmoving construction, large machinery approaches and the like to generate vibration, the transmission tower real-time monitoring module 1 can acquire signals.
The embodiment of the invention realizes the monitoring of the transmission tower by utilizing the wireless sensor network technology, and alarms when the monitoring data of the transmission tower threatened by the transmission tower is abnormal, thereby facilitating the remote monitoring of related personnel.
In one embodiment, the transmission tower real-time monitoring module 1 includes a wireless sensor network and a sink node, and the wireless sensor network is arranged on the body and around the transmission tower and used for collecting monitoring data of the transmission tower threatened by the transmission tower; the convergent node is used for being connected with a wireless sensor network, acquiring the monitoring data of the transmission tower threatened by the transmission tower from the wireless sensor network, caching and processing the monitoring data of the transmission tower threatened by the transmission tower, and transmitting the processed monitoring data of the transmission tower threatened by the transmission tower to a transmission tower monitoring and protecting center 2 through a mobile communication network.
In one embodiment, the wireless sensor network comprises a plurality of sensor nodes for acquiring the monitoring data of the transmission tower threatened by the transmission tower, and after acquiring the monitoring data of the transmission tower threatened by the transmission tower, each sensor node transmits the acquired monitoring data of the transmission tower threatened by the transmission tower to the sink node.
Before the sensor node sends the monitoring data that transmission tower received the threat to the sink node, establish its route to between the sink node, specifically include:
(1) Setting the sensor node as gamma, acquiring all paths from the gamma to the sink node, and calculating the optimal value of each path:
in the formula of lambda γ→o Represents the lambda path from the sensor node gamma to the sink node o,is path λ γ→o Having a number of sensor nodes, K i Is a path lambda γ→o Node degree of the ith sensor node of (1), E i 、E i0 Are respectively a path λ γ→o Current remaining energy, initial energy, f (E) of the ith sensor node above i -0.1E i0 ) Sequentially traversing paths lambda from gamma to the path direction of the sink node for a set traversal value function γ→o Upper sensor node, if path λ γ→o On one sensor node satisfies E i -0.1E i0 <, 0, f (E) i -0.1E i0 ) =0, stopping traversal, if path λ γ→o All sensor nodes on satisfy E i -0.1E i0 When f is greater than or equal to 0, f (E) i -0.1E i0 )＝1，δ α,β Represents a path λ γ→o The transmission delay between the upper sensor nodes alpha, beta;
(2) And selecting the path with the maximum preferred value as a route path from the gamma to the sink node, and establishing a route from the gamma to the sink node.
The embodiment establishes a route establishing strategy from the sensor nodes to the sink node, and restricts the transmission path width of the monitoring data of the transmission tower under threat, wherein the multidimensional consideration is carried out on the transmission path of the monitoring data of the transmission tower under the threat according to the energy of each sensor node, the node degree and the transmission delay among the sensor nodes in the path, so that the established route is more reliable and has shorter delay, the reliability and the timeliness of the transmission of the monitoring data of the transmission tower under the threat are ensured, a traversal value function is set, when the current residual energy of the sensor nodes in the path does not meet the requirement, the optimal value is set to be 0, traversal is stopped, the calculation time of the optimal value can be saved, and the route establishing efficiency is improved.
In one embodiment, initially, a sink node allocates a reliability to each sensor node, the sink node periodically detects the reliability of the sensor node in a detection period, and when the feasibility of the sensor node is lower than a set reliability threshold, the sensor node is made to sleep, where the reliability is detected by the following formula:
in the formula, S p Representing the reliability, S, of the sensor node p obtained by the current detection of the sink node in a detection period p-1 Representing the reliability of the sensor node p before detection, A p The ratio of the number of times that the sensor node p continuously acquires the monitoring data threatened by the same transmission tower to the total number of the acquired monitoring data threatened by the transmission tower in a detection period is represented, and the detection period is set to be 0, T]，C p (t) represents the degree of deviation of monitoring data of the transmission tower threatened, acquired by the sensor node p at the time t, from the regional average monitoring value, wherein the regional average monitoring value is a fusion value of the monitoring data of the transmission tower threatened, acquired by the sensor node p and the neighboring sensor nodes at the time t, and t belongs to [0]Setting the average monitoring value of the area as Y (t), and setting the monitoring data of the transmission tower threatened collected by the sensor node p at the time t as X (t),C T to set a threshold value of the degree of deviation, B p In the detection period C p (t) is greater than C T Number of times of (E) p 、E p0 Current remaining energy and initial energy, g (E), of the sensor node p, respectively p -0.1E p0 ) For the set value function, when E p -0.1E p0 When not less than 0, g (E) p -0.1E p0 ) =1, when E p -0.1E p0 <, 0, g (E) p -0.1E p0 )＝0，ρ 1 、ρ 2 、ρ 3 、ρ 8 Is a set weight coefficient and satisfies rho 1 +ρ 2 +ρ 3 +ρ 8 ＝1。
According to the embodiment, a reliability detection formula is set, the stability of monitoring data of a transmission tower subjected to threat acquired by sensor nodes and the current residual energy of the sensor nodes are considered, so that the reliability of the sensor nodes can be detected progressively, the sensor nodes capable of tolerating instant loss of confidence can be realized, the reliability of the sensor nodes can be detected more justly, the sensor nodes with the reliability not meeting the set reliability threshold value can be dormant, the influence of the sensor nodes with low reliability on the transmission of the monitoring data of the transmission tower subjected to threat can be avoided, the reliability of collecting the monitoring data of the transmission tower subjected to the threat is improved, and the wireless sensor network energy of an intelligent protection system of the transmission tower is saved.
In one embodiment, a sink node periodically detects the validity of each routing path in a detection period, when the validity of a routing path from a sensor node to the sink node is lower than a set validity threshold, the sink node sends a message to the corresponding sensor node, and the sensor node receives the message and reconstructs a route between the sink nodes, wherein the detection formula of the validity is as follows:
in the formula, xi γ→o Represents the routing path between sensor node gamma to the sink node, W (ξ) γ→o ) Is representative of xi γ→o The effectiveness in one detection period, h is xi γ→o The (h) th sensor node of (c),is xi γ→o Having a number of sensor nodes, m h 、n h Respectively representing the successful times of transmitting the monitoring data threatened by the transmission tower and the failed times of transmitting the monitoring data threatened by the transmission tower to the next-hop monitoring node by the sensor node h in the detection period, and S h And representing the reliability of the sensor node h obtained by the current detection of the sink node in the detection period.
According to the method, the reliability and the communication success rate of the sensor nodes on the routing path are used as consideration factors, an effective detection formula of the reliability of the routing path with high precision is set, and when the validity of the routing path between the sensor nodes and the sink node is lower than a set validity threshold value, the routing path is updated, so that dynamic maintenance and updating of the communication link of the wireless sensor network are achieved, the reliability of transmission of monitoring data of the power transmission tower which is threatened can be guaranteed, and the monitoring precision of the intelligent protection system of the power transmission tower is improved.
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. An intelligent protection system for a transmission tower is characterized by comprising a transmission tower real-time monitoring module, a transmission tower monitoring and protection center and a user terminal, wherein the transmission tower real-time monitoring module is used for acquiring monitoring data of a transmission tower threatened by the transmission tower and sending the acquired monitoring data of the transmission tower threatened by the transmission tower to the transmission tower monitoring and protection center, the transmission tower monitoring and protection center is used for receiving, storing and displaying the monitoring data of the transmission tower threatened by the transmission tower, comparing the monitoring data of the transmission tower threatened by the transmission tower with a boundary value of a preset normal threshold range, and outputting an alarm signal if the monitoring data exceeds the normal threshold range; the user terminal is connected with the transmission tower monitoring and protecting center through a communication network and is used for accessing monitoring data of the transmission tower threatened in the transmission tower monitoring and protecting center in real time.
2. The intelligent protection system of the transmission tower as claimed in claim 1, wherein the monitoring and protection center of the transmission tower comprises a data communication module, a data analysis and processing module and an abnormality alarm module, the data communication module is connected with the data analysis and processing module, and the data analysis and processing module is connected with the abnormality alarm module.
3. The intelligent protection system for transmission towers according to claim 1, wherein the threatened monitoring data of the transmission towers comprises vibration signals around the transmission towers and local horizontal displacement of the transmission towers.
4. The intelligent protection system of the transmission tower as claimed in claim 1, wherein the transmission tower real-time monitoring module comprises a wireless sensor network and a sink node, the wireless sensor network is arranged on the tower body and around the transmission tower and is used for collecting monitoring data of the transmission tower threatened by the transmission tower; the convergent node is used for being connected with a wireless sensor network, acquiring the monitoring data of the transmission tower threatened by the transmission tower from the wireless sensor network, caching and processing the monitoring data of the transmission tower threatened by the transmission tower, and transmitting the processed monitoring data of the transmission tower threatened by the transmission tower to a transmission tower monitoring and protecting center through a mobile communication network.
5. The intelligent protection system for the transmission towers according to claim 4, wherein the wireless sensor network comprises a plurality of sensor nodes for acquiring monitoring data of the transmission towers with threat, and after acquiring the monitoring data of the transmission towers with threat, the acquired monitoring data of the transmission towers with threat are sent to the convergence node.
6. The intelligent protection system for the transmission tower as claimed in claim 5, wherein the sensor node constructs a route from the sensor node to the sink node before sending the threatened monitoring data of the transmission tower to the sink node, and specifically comprises:
(1) Setting the sensor node as gamma, acquiring all paths from the gamma to the sink node, and calculating the optimal value of each path:
in the formula, λ γ→o Represents the lambda path from the sensor node gamma to the sink node o,is a path lambda γ→o Number of sensor nodes, K i Is a path lambda γ→o Node degree of the ith sensor node of (1), E i 、E i0 Are respectively a path λ γ→o Current remaining energy, initial energy, f (E) of the ith sensor node of (1) i -0.1E i0 ) Sequentially traversing paths lambda from gamma to the path direction of the sink node for a set traversal value function γ→o Upper sensor node, if path λ γ→o On one sensor node satisfies E i -0.1E i0 <, 0, f (E) i -0.1E i0 ) =0, stopping traversal, if path λ γ→o All sensor nodes on satisfy E i -0.1E i0 When f is greater than or equal to 0, f (E) i -0.1E i0 )＝1，δ α,β Represents a path λ γ→o The transmission delay between the upper sensor nodes alpha, beta;
(2) And selecting the path with the maximum preferred value as a route path from the gamma to the sink node, and establishing a route from the gamma to the sink node.
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| CN201710855277.6A CN107680343B (en) | 2017-09-20 | 2017-09-20 | A kind of transmission tower intelligent protection system |
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| CN201710855277.6A CN107680343B (en) | 2017-09-20 | 2017-09-20 | A kind of transmission tower intelligent protection system |
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| CN107993418A (en) * | 2017-11-21 | 2018-05-04 | 钟永松 | A kind of transmission tower protective device |
| CN111917180A (en) * | 2020-07-02 | 2020-11-10 | 广东电网有限责任公司 | Intelligent power tower monitoring system |
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