CN112017383A - External force invasion monitoring device under three-span point of power transmission line - Google Patents
External force invasion monitoring device under three-span point of power transmission line Download PDFInfo
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- CN112017383A CN112017383A CN202011007558.4A CN202011007558A CN112017383A CN 112017383 A CN112017383 A CN 112017383A CN 202011007558 A CN202011007558 A CN 202011007558A CN 112017383 A CN112017383 A CN 112017383A
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- 230000009545 invasion Effects 0.000 title claims abstract description 42
- 238000012806 monitoring device Methods 0.000 title claims description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 76
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 17
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
- G08B13/1609—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems
- G08B13/1618—Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems using ultrasonic detection means
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Abstract
The invention relates to a device for monitoring external force invasion under a three-span point of a power transmission line, which comprises: the distance measurement module is used for transmitting and receiving ultrasonic waves to a monitoring area; the information main control module is connected with the ranging module and used for judging whether external force invasion exists or not according to the time interval between the time when the ranging module transmits the ultrasonic waves and the time when the ultrasonic waves are received, and generating a control signal when the external force invasion exists; and the warning module is connected with the information main control module and is used for sending warning information under the control of the control signal. The invention can improve the automation and the real-time performance of the power transmission line inspection, greatly saves the labor cost consumption, improves the monitoring efficiency and the monitoring accuracy and reduces the possibility of misjudgment.
Description
Technical Field
The invention relates to the field of intrusion monitoring, in particular to an external force intrusion monitoring device under a three-span point of a power transmission line.
Background
The three-span point of the power transmission line refers to a section of the power transmission and distribution line crossing a railway, a first-level road and above and an important power transmission channel. In a power grid construction project, numerous problems are often caused by the intersection and the proximity of a power transmission line and important facilities such as railways, highways, power lines and the like, and construction mechanical activities in the area are the main reasons of tripping accidents of the power transmission line, so that the accidents can be effectively reduced by realizing the real-time monitoring of external force invasion under the three-span point of the power transmission line, and the stable operation of the power transmission line is promoted.
At present, the monitoring technology of external force invasion under the power transmission line can be divided into two categories of manual monitoring and online monitoring. The manual mode mainly adopts the manual work to patrol the line or unmanned aerial vehicle and patrols and examines modes such as going on line, but neither kind of mode can avoid bringing the cost of labor problem, judges often to have the time or lag in the space through artificial mode to the external force invasion simultaneously, is difficult to satisfy transmission line monitoring's real-time, the requirement of early warning nature. The on-line monitoring type is often used for installing sensors on a power transmission line to perform real-time automatic monitoring, such as an acceleration sensor, a distance measuring sensor, a camera sensor and the like. However, the single sensor often has respective problems, such as poor early warning capability of the acceleration sensor, and erroneous judgment caused by the fact that the distance measuring sensor is easily affected by a non-monitored target, and the image monitoring method based on the camera sensor often has difficulty in improving the monitoring accuracy due to the lack of a complete intrusion image data set.
Disclosure of Invention
The invention aims to provide a device for monitoring external force invasion of a power transmission line under a three-span point, which can ensure the monitoring efficiency and real-time performance and improve the monitoring accuracy.
In order to achieve the purpose, the invention provides the following scheme:
the utility model provides a transmission line external force invasion monitoring devices under three span points, transmission line external force invasion monitoring devices under three span points includes:
the distance measurement module is used for transmitting and receiving ultrasonic waves to a monitoring area;
the information main control module is connected with the ranging module and used for judging whether external force invasion exists or not according to the time interval between the time when the ranging module transmits the ultrasonic waves and the time when the ultrasonic waves are received, and generating a control signal when the external force invasion exists;
and the warning module is connected with the information main control module and is used for sending warning information under the control of the control signal.
Optionally, the information main control module includes:
the storage is used for storing the minimum safe distance between the power transmission line tower and the external force;
the multiplier is connected with the ranging module and used for calculating the distance from external force invasion according to the time interval between the time when the ranging module transmits the ultrasonic waves and the time when the ranging module receives the ultrasonic waves to form a monitoring distance;
and the comparator is respectively connected with the memory, the multiplier and the warning module and is used for calling the minimum safe distance from the memory, comparing the minimum safe distance with the monitoring distance, and generating a control signal and sending the control signal to the warning module when the monitoring distance is smaller than the minimum safe distance.
Optionally, the alert module comprises:
the high-frequency loudspeaker is connected with the information main control module and is used for sending out warning information under the control of the control signal;
and the power amplifier is respectively connected with the information main control module and the high-frequency loudspeaker and is used for improving the power of the high-frequency loudspeaker under the control of the control signal.
Optionally, the distance measurement module is an HY-SRF05 ultrasonic distance measurement module.
Optionally, the device for monitoring external force intrusion under the three-span point of the power transmission line further includes:
the monitoring module is connected with the information main control module and used for collecting image information of a monitoring area under the control of the control signal and transmitting the image information to the information main control module;
the information main control module is also connected with a target receiver and is used for sending the image information to the target receiver.
Optionally, the device for monitoring external force intrusion under the three-span point of the power transmission line further includes:
and the wireless communication module is arranged between the information main control module and the target receiver.
Optionally, the wireless communication module is a communication chip SIM 900A.
Optionally, the monitoring module is an extramountain eagle eye camera.
Optionally, the device for monitoring external force intrusion under the three-span point of the power transmission line further includes:
and the power supply module is respectively connected with the ranging module and the information main control module and is used for providing direct current stable voltage for the ranging module and the information main control module.
Optionally, the power supply module is a 12V dc battery.
According to the specific embodiment provided by the invention, the invention discloses the following technical effects: the external force invasion monitoring device under the three-span point of the power transmission line, provided by the invention, is characterized in that the ranging module transmits and receives ultrasonic waves to a monitoring area, the information main control module judges whether external force invasion exists or not through the time interval between the transmitting and receiving of the ultrasonic waves by the ranging module, and if external force invasion exists, the information main control module controls the operation of the warning module and sends warning information. The external force invasion monitoring device provided by the invention can warn mechanical invasion by sending warning information after judging that the external force invasion exists through ultrasonic ranging, is favorable for preventing the occurrence of tripping accidents of a power transmission line caused by the mechanical invasion, maintains the stable operation of a power grid, and simultaneously improves the monitoring accuracy while ensuring the monitoring efficiency and real-time performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
Fig. 1 is a schematic block structure diagram of an external force intrusion monitoring device under a three-span point of a power transmission line provided by the invention;
fig. 2 is a schematic diagram of an internal structure of the information main control module.
Description of the symbols:
the system comprises a distance measuring module 1, an information main control module 2, a memory 21, a multiplier 22, a comparator 23, a warning module 3, a power supply module 4, a monitoring module 5, a storage module 6, a wireless communication module 7 and a target receiver 8.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention aims to provide an external force invasion monitoring device under a three-span point of a power transmission line, which transmits and receives ultrasonic waves to a monitoring area through a distance measuring module, an information main control module judges whether external force invasion exists according to the time interval between the ultrasonic waves transmitted and received by the distance measuring module, if the external force invasion exists, an alarm module is started to warn the invasion device, the monitoring efficiency and the real-time performance are ensured, the monitoring accuracy is improved, the occurrence of tripping accidents of the power transmission line caused by mechanical invasion is effectively prevented, and the stable operation of a power grid is maintained.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1, the external force intrusion monitoring device under the three-span point of the power transmission line of the invention comprises a distance measuring module 1, an information main control module 2 and a warning module 3.
Specifically, the distance measurement module 1 is configured to transmit and receive ultrasonic waves to a monitoring area, and perform information transceiving control through an IO port of the information main control module 2. In this embodiment, the distance measuring module 1 is an HY-SRF05 ultrasonic distance measuring module.
The information main control module 2 is connected with the ranging module 1, and the information main control module 2 is used for judging whether external force invasion exists according to the time interval from the time when the ranging module transmits ultrasonic waves to the time when the ranging module receives the ultrasonic waves, and generating a control signal when the external force invasion exists.
The warning module 3 is connected with the information main control module 2, and the warning module 3 is used for sending warning information under the control of the control signal.
Further, as shown in fig. 2, the information main control module 2 includes a memory 21, a multiplier 22 and a comparator 23. Specifically, the memory 21 is configured to store a minimum safe distance between the power transmission line tower and an external force; the multiplier 22 is connected with the ranging module 1, and the multiplier 22 is used for calculating the distance from external force invasion according to the time interval between the time when the ranging module 1 transmits ultrasonic waves and the time when the ranging module receives the ultrasonic waves, so as to form a monitoring distance; the comparator 23 is respectively connected to the memory 21, the multiplier 22 and the warning module 3, and the comparator 23 is configured to retrieve the minimum safety distance from the memory 21, compare the minimum safety distance with the monitoring distance, and generate a control signal and send the control signal to the warning module 3 when the monitoring distance is smaller than the minimum safety distance.
The warning module 3 controls a warning switch through an IO port of the information main control module 2 and sends warning information under the control of a control signal. The warning information sent by the warning module 3 can be high-decibel buzzing sound for warning the intrusion device. The warning module 3 comprises a high frequency loudspeaker and a power amplifier. Specifically, the high-frequency loudspeaker sends out warning information under the control of the control signal; the power amplifier is connected with the high-frequency loudspeaker and used for improving the power of the high-frequency loudspeaker under the control of the control signal.
Preferably, the external force intrusion monitoring device under the three-span point of the power transmission line of the invention may further include: a monitoring module 5, a wireless communication module 7 and a target receiver 8.
The monitoring module 5 is used for collecting image information of a monitored area under the control of the control signal. The monitoring module 5 can configure camera initialization parameters through the IIC bus of the information main control module 2, and transmit image information to the information main control module 2 through a serial port. In this embodiment, the monitoring module 5 is an extravehicular eagle eye camera.
The information main control module 2 is further connected with the target receiver 8, and the information main control module 2 sends the image information to the target receiver 8. In this embodiment, the target receiver 8 may be a transmission line control center. The image information of the intrusion device is sent to the target receiver 8, so that the workers can be reminded of mechanical intrusion, the interaction capacity of monitoring is guaranteed, and meanwhile, the monitoring efficiency and real-time performance are guaranteed and the possibility of misjudgment is reduced through a combined mode of automatic early warning and manual confirmation.
The wireless communication module 7 is arranged between the information main control module 2 and the target receiver 8, and early warning information transmission of external force invasion of the three-span point area of the power transmission line is achieved. The wireless communication module is adopted to reduce the cost problem caused by the arrangement of the communication cable, and meanwhile, the combined action of the warning module 3, the information main control module 2 and the wireless communication module 7 is utilized to realize the information interaction and communication between the transmission tower site and the central control room, so that the intelligent level of monitoring is improved. In this embodiment, the wireless communication module 7 adopts a communication chip SIM 900A.
As a specific embodiment, the external force intrusion monitoring device under the three-span point of the power transmission line provided by the invention may further include a power supply module 4, where the power supply module is used to provide a direct current stabilized voltage for the distance measurement module 1, the monitoring module 5, and the information main control module 2. In this embodiment, the power supply module 4 is a 12V dc battery.
As a specific embodiment, the external force intrusion monitoring device under the three-span point of the power transmission line provided by the invention can further comprise a storage module 6, wherein the storage module 6 stores image data through an SPI communication bus of the information main control module 2, so that real-time storage of monitoring images can be realized, backup use of information is improved, and sufficient data support is provided for construction of a subsequent power transmission line intrusion image system. In this embodiment, the storage module 6 is an SD card.
And moreover, the external force intrusion monitoring device under the three-span point of the power transmission line is arranged above the power transmission line tower, the main monitoring area is the three-span point area around the tower, and the monitored object is large-scale engineering machinery which threatens the intrusion of the tower.
Specifically, in this embodiment, the process of monitoring the external force intrusion includes: distance measuring module 1 sends and receives the ultrasonic wave to the monitoring area, when the foreign object is close to the shaft tower, the produced ultrasonic wave of distance measuring module 1 can return in the short time, information host system 2 can judge whether there is the external force invasion according to ultrasonic wave's receiving and dispatching time interval, if there is then start warning module 3 and carry out buzzing and remind, start monitoring module 5 simultaneously and carry out the image shooting to the invader, after monitoring module 5 shoots the image, send image information to information host system 2, information host system 2 keeps this image information transmission to storage module 6 in the SD card, and with this image information transmission to wireless communication module 7, send warning information and control image information to target receiver 8 by this module, accomplish the invasion early warning.
The invention realizes real-time intrusion monitoring under three-span points of the power transmission line by installing the monitoring device on the power transmission line tower, monitors large-scale mechanical intrusion in a target area by utilizing the ultrasonic distance measuring device, improves the automation and the real-time performance of routing inspection of the power transmission line, greatly saves the labor cost consumption, adopts a combined mode of machine monitoring and manual confirmation by the information fusion technology of the ultrasonic distance measuring module 1 and the monitoring module 5, not only ensures the monitoring efficiency and the real-time performance, but also reduces the possibility of misjudgment, improves the monitoring accuracy, provides a data basis for the implementation of subsequent image monitoring by using the storage module 6, and improves the monitoring interaction capacity by the linkage of site warning and the wireless transmission module. The invention is beneficial to preventing the occurrence of the tripping accident of the power transmission line caused by mechanical invasion and maintaining the stable operation of the power grid.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. For the system disclosed by the embodiment, the description is relatively simple because the system corresponds to the method disclosed by the embodiment, and the relevant points can be referred to the method part for description.
The principles and embodiments of the present invention have been described herein using specific examples, which are provided only to help understand the method and the core concept of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (10)
1. The utility model provides an external force invasion monitoring devices under transmission line three-span point which characterized in that, external force invasion monitoring devices includes under transmission line three-span point:
the distance measurement module is used for transmitting and receiving ultrasonic waves to a monitoring area;
the information main control module is connected with the ranging module and used for judging whether external force invasion exists or not according to the time interval between the time when the ranging module transmits the ultrasonic waves and the time when the ultrasonic waves are received, and generating a control signal when the external force invasion exists;
and the warning module is connected with the information main control module and is used for sending warning information under the control of the control signal.
2. The device for monitoring external force intrusion under three-span points of the power transmission line according to claim 1, wherein the information main control module comprises:
the storage is used for storing the minimum safe distance between the power transmission line tower and the external force;
the multiplier is connected with the ranging module and used for calculating the distance from external force invasion according to the time interval between the time when the ranging module transmits the ultrasonic waves and the time when the ranging module receives the ultrasonic waves to form a monitoring distance;
and the comparator is respectively connected with the memory, the multiplier and the warning module and is used for calling the minimum safe distance from the memory, comparing the minimum safe distance with the monitoring distance, and generating a control signal and sending the control signal to the warning module when the monitoring distance is smaller than the minimum safe distance.
3. The device for monitoring external force invasion under three-span point of power transmission line according to claim 1, wherein the warning module comprises:
the high-frequency loudspeaker is connected with the information main control module and is used for sending out warning information under the control of the control signal;
and the power amplifier is respectively connected with the information main control module and the high-frequency loudspeaker and is used for improving the power of the high-frequency loudspeaker under the control of the control signal.
4. The device for monitoring the external force invasion under the triple-span point of the power transmission line according to claim 1, wherein the distance measurement module is an HY-SRF05 ultrasonic distance measurement module.
5. The device for monitoring external force intrusion under three-span point of power transmission line according to claim 1, further comprising:
the monitoring module is connected with the information main control module and used for collecting image information of a monitoring area under the control of the control signal and transmitting the image information to the information main control module;
the information main control module is also connected with a target receiver and is used for sending the image information to the target receiver.
6. The device for monitoring external force intrusion under three-span point of power transmission line according to claim 5, further comprising:
and the wireless communication module is arranged between the information main control module and the target receiver.
7. The device for monitoring the external force intrusion under the triple-span point of the power transmission line according to claim 6, wherein the wireless communication module is a communication chip SIM 900A.
8. The device for monitoring external force invasion under three-span points of power transmission line according to claim 5, wherein the monitoring module is an extramountain eagle eye camera.
9. The device for monitoring external force intrusion under three-span points of power transmission line according to any one of claims 1-8, wherein the device for monitoring external force intrusion under three-span points of power transmission line further comprises:
and the power supply module is respectively connected with the ranging module and the information main control module and is used for providing direct current stable voltage for the ranging module and the information main control module.
10. The device for monitoring external force invasion under three-span points of power transmission line according to claim 9, wherein the power supply module is a 12V direct current storage battery.
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| CN202011007558.4A CN112017383A (en) | 2020-09-23 | 2020-09-23 | External force invasion monitoring device under three-span point of power transmission line |
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| CN202011007558.4A CN112017383A (en) | 2020-09-23 | 2020-09-23 | External force invasion monitoring device under three-span point of power transmission line |
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