CN111121864A - Power transmission line structure safety monitoring method, device and equipment - Google Patents
Power transmission line structure safety monitoring method, device and equipment Download PDFInfo
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- CN111121864A CN111121864A CN201911274315.4A CN201911274315A CN111121864A CN 111121864 A CN111121864 A CN 111121864A CN 201911274315 A CN201911274315 A CN 201911274315A CN 111121864 A CN111121864 A CN 111121864A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Abstract
The application discloses a method, a device and equipment for monitoring the structure safety of a power transmission line, wherein the method comprises the steps of collecting the tower footing acceleration of a power transmission tower in real time; when the tower footing acceleration value is greater than or equal to the primary threshold value and smaller than the secondary threshold value, acquiring real-time position information of the power transmission tower, and calculating first tower footing displacement according to the real-time position information; comparing the first tower footing displacement with a first displacement threshold value, and judging whether tower collapse risks exist according to a comparison result; when the tower footing acceleration value is larger than or equal to the second-level threshold value, acquiring the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing; and correspondingly comparing the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of the second tower footing with a tension threshold, an inclination angle threshold and a second displacement threshold respectively, and sending an alarm if the tension reaches a preset value or above. The method and the device solve the technical problem that a large amount of storage resources are wasted while the working efficiency of the system is low due to the fact that the existing power transmission line monitoring technology is not targeted for monitoring.
Description
Technical Field
The application relates to the technical field of power systems, in particular to a method, a device and equipment for monitoring the structure safety of a power transmission line.
Background
When the power transmission line is positioned in a region with multiple earthquake disasters, the power transmission tower can generate deformation such as foundation settlement, slippage, inclination and the like, serious accidents such as tower collapse, disconnection and the like can be caused, and the safe and reliable operation of a power grid is seriously influenced. Therefore, for an important power transmission line which is located in an earthquake-prone area and is prone to damage in an earthquake, reasonable monitoring needs to be conducted on the safety of the power transmission tower and the structure of a wire of the power transmission tower, and early warning information is sent out to guarantee the safe and stable operation of the power transmission line.
The existing method for monitoring the deformation of the foundation or the deformation of the tower body of the power transmission tower monitors all indexes of the power transmission tower for a long time, the power consumption is large in perennial uninterrupted operation, and data obtained in the daily operation process are mostly useless data, so that the network transmission data volume is large, and the storage space is occupied, so that a large amount of transmission and storage resources are wasted while the working efficiency of a monitoring system is low.
Disclosure of Invention
The application provides a method, a device and equipment for monitoring the structure safety of a power transmission line, which are used for solving the technical problem that the working efficiency of a system is low and a large amount of storage resources are wasted due to the fact that the existing power transmission line monitoring technology has no targeted monitoring.
In view of this, a first aspect of the present application provides a method for monitoring safety of a power transmission line structure, including:
acquiring the tower footing acceleration of the power transmission tower in real time;
when the tower footing acceleration value is greater than or equal to a primary threshold value and smaller than a secondary threshold value, acquiring real-time position information of the power transmission tower, and calculating first tower footing displacement according to the real-time position information;
comparing the first tower footing displacement with a first displacement threshold value, and judging whether tower collapse risks exist according to a comparison result;
when the tower footing acceleration value is larger than or equal to the second-level threshold value, acquiring the tension of a wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing;
and correspondingly comparing the tension of the wire of the transmission tower, the inclination angle of the transmission tower and the displacement of the second tower footing with a tension threshold, an inclination threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the transmission tower is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower footing is greater than or equal to the second displacement threshold.
Preferably, the first tower footing displacement comprises a first horizontal direction displacement and a first vertical direction displacement;
accordingly, the first displacement threshold includes a first horizontal displacement threshold and a first vertical displacement threshold.
Preferably, the second tower-base displacement comprises a second horizontal direction displacement and a second vertical direction displacement;
accordingly, the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold.
Preferably, the correspondingly comparing the tension of the transmission tower conductor, the inclination angle of the transmission tower and the displacement of the second tower base with a tension threshold, an inclination threshold and a second displacement threshold respectively, and if the tension of the transmission tower conductor is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold, sending an alarm includes:
when the tension of the transmission tower conductor is greater than the tension threshold value, sending out a disconnection alarm;
and when the inclination angle of the transmission tower is larger than the inclination angle threshold value or the second tower footing displacement is larger than the second displacement threshold value, sending out a tower falling alarm.
The application second aspect provides a transmission line structure safety monitoring device, includes:
the acquisition module is used for acquiring the tower footing acceleration of the power transmission tower in real time;
the calculation module is used for acquiring real-time position information of the power transmission tower when the tower footing acceleration value is greater than or equal to a primary threshold value and smaller than a secondary threshold value, and calculating first tower footing displacement according to the real-time position information;
the first judgment module is used for comparing the first tower footing displacement with a first displacement threshold value and judging whether tower collapse risks exist according to a comparison result;
the acquisition module is used for acquiring the tension of a wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing when the acceleration value of the tower footing is greater than or equal to the secondary threshold value;
and the second judging module is used for correspondingly comparing the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of the second tower base with a tension threshold, an inclination threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the power transmission tower is greater than or equal to the tension threshold, or the inclination angle of the power transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold.
Preferably, the first tower footing displacement comprises a first horizontal direction displacement and a first vertical direction displacement;
accordingly, the first displacement threshold includes a first horizontal displacement threshold and a first vertical displacement threshold.
Preferably, the second tower-base displacement comprises a second horizontal direction displacement and a second vertical direction displacement;
accordingly, the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold.
Preferably, the second determination module includes:
the second judgment submodule is used for sending out a wire breakage alarm when the tension of the wire of the transmission tower is greater than the tension threshold value;
and when the inclination angle of the transmission tower is larger than the inclination angle threshold value or the second tower footing displacement is larger than the second displacement threshold value, sending out a tower falling alarm.
The third aspect of the present application provides a device for monitoring the structural safety of a power transmission line, which is characterized in that the device comprises a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the method for monitoring the safety of the power transmission line structure according to the instruction in the program code.
A fourth aspect of the present application provides a computer-readable storage medium, where the computer-readable storage medium is configured to store a program code, and the program code is configured to execute the method for monitoring the safety of the power transmission line structure according to the first aspect.
According to the technical scheme, the embodiment of the application has the following advantages:
the application provides a power transmission line structure safety monitoring method, which comprises the following steps: acquiring the tower footing acceleration of the power transmission tower in real time; when the tower footing acceleration value is greater than or equal to the primary threshold value and smaller than the secondary threshold value, acquiring real-time position information of the power transmission tower, and calculating first tower footing displacement according to the real-time position information; comparing the first tower footing displacement with a first displacement threshold value, and judging whether tower collapse risks exist according to a comparison result; when the tower footing acceleration value is larger than or equal to the second-level threshold value, acquiring the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing; and correspondingly comparing the tension of the wire of the transmission tower, the inclination angle of the transmission tower and the displacement of the second tower footing with a tension threshold, an inclination threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the transmission tower is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower footing is greater than or equal to the second displacement threshold.
According to the method for monitoring the structure safety of the power transmission line, nodes exist when various index data of the power transmission line are obtained, namely conditional conditions are met, under the condition that the system works normally, only the tower footing acceleration of the power transmission tower needs to be obtained, external force attack suffered by the power transmission tower is monitored through setting of the primary threshold and the secondary threshold, the method is more targeted, the monitoring system is triggered to obtain more evaluation indexes when the corresponding threshold is exceeded, and then the possibility of short line or tower collapse of the power transmission line is judged according to the evaluation indexes. According to the method, a large amount of repeated useless data does not need to be acquired all the year round and stored in the system, more operations are triggered only when the system suffers from external force disasters, the monitoring operation of the power transmission line is simplified to a great extent, and few data need to be acquired when the system works normally, so that the technical problem that the existing power transmission line monitoring technology is not targeted to monitor, the working efficiency of the system is low, and meanwhile a large amount of storage resources are wasted is solved.
Drawings
Fig. 1 is a schematic flow chart of a first embodiment of a method for monitoring the structural safety of a power transmission line provided in the present application;
fig. 2 is a schematic structural diagram of an embodiment of a power transmission line structural safety monitoring device provided in the present application;
fig. 3 is a schematic structural diagram of a power transmission line structural safety monitoring device provided in the present application;
fig. 4 is an installation schematic diagram of the transmission line structure safety monitoring device provided by the present application;
wherein the reference numerals are:
1. an acceleration sensor; 2. a control switch; 3. a tension sensor; 4. a tilt sensor; 5. a GNSS positioning module; 6. a communication module; 7. a power supply module; 8. and (4) a server.
Detailed Description
In order to make the technical solutions of the present application better understood, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.
For convenience of understanding, please refer to fig. 1, a first embodiment of the method for monitoring the structural safety of the power transmission line provided by the present application includes:
It should be noted that the acquisition of the tower footing acceleration of the power transmission tower is an important index for realizing the differentiated monitoring of the power transmission line, and the tower footing acceleration value of the power transmission tower can be acquired in real time through equipment such as an acceleration sensor.
And 102, when the tower footing acceleration value is greater than or equal to the primary threshold value and smaller than the secondary threshold value, acquiring real-time position information of the power transmission tower, and calculating the first tower footing displacement according to the real-time position information.
It should be noted that the setting of the acceleration threshold may be reasonably set according to the historical data, for example, the primary threshold is 0.05g, the secondary threshold is 0.1g, and in the daily operation state, the tower base acceleration value generally does not exceed the primary threshold, so the data acquired in the system is only the acceleration value, and there is no other redundant data. When the tower footing acceleration value exceeds the first-level threshold value and is lower than the second-level threshold value, the real-time position information of the power transmission tower needs to be acquired, the real-time position information can be acquired by the positioning device, and the first tower footing displacement is calculated according to the real-time position information.
And 103, comparing the first tower footing displacement with a first displacement threshold, and judging whether the tower collapse risk exists according to the comparison result.
It should be noted that the first displacement threshold in this embodiment corresponds to the first tower footing displacement, and also includes a first horizontal displacement threshold and a first vertical displacement threshold; in the comparison of the two threshold values in the horizontal direction and the vertical direction, only the condition that the threshold value is exceeded exists, the tower falling risk is judged to exist, and an alarm is sent out.
And 104, when the tower footing acceleration value is larger than or equal to the second-level threshold value, acquiring the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing.
It should be noted that when the tower footing acceleration value exceeds the second-level threshold value, the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of the second tower footing need to be obtained at the same time, the second tower footing displacement has the same meaning as the first tower footing displacement and reflects the displacement or deformation of the power transmission tower, and is obtained and calculated by a positioning device, and the tension of the wire of the power transmission tower and the inclination angle of the power transmission tower can be obtained by a relevant sensor.
And 105, correspondingly comparing the tension of the wire of the transmission tower, the inclination angle of the transmission tower and the displacement of the second tower base with a tension threshold, an inclination angle threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the transmission tower is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination angle threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold.
It should be noted that the second tower footing displacement also includes a second horizontal direction displacement and a second vertical direction displacement, and correspondingly, the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold; comparing the obtained tension of the wire of the transmission tower with a tension threshold value to judge whether a wire breakage risk exists or not, and if the tension of the wire of the transmission tower is greater than the tension threshold value, giving a wire breakage alarm; comparing the obtained inclination angle of the power transmission tower with an inclination angle threshold, and sending a tower falling alarm when the inclination angle of the power transmission tower exceeds the inclination angle threshold; and comparing the second tower footing displacement with a second displacement threshold, and sending a tower falling alarm under the condition that the second tower footing displacement exceeds the second displacement threshold, wherein the sent alarms are not influenced mutually, and if the three indexes exceed the set thresholds, a disconnection alarm and a tower falling alarm can be sent. The comparison of the second tower footing displacement with the second displacement threshold is the same as the comparison of the first tower footing displacement with the first displacement threshold, and is not repeated herein.
According to the method for monitoring the structure safety of the power transmission line, nodes exist when various index data of the power transmission line are obtained, namely conditional, under the condition that the system works normally, only the tower footing acceleration of the power transmission tower needs to be obtained, external force attack suffered by the power transmission tower is monitored through setting of the primary threshold and the secondary threshold, the method is more targeted, the monitoring system is triggered to obtain more evaluation indexes when the corresponding thresholds are exceeded, and then the possibility of short line or tower collapse of the power transmission line is judged according to the evaluation indexes. According to the method, a large amount of repeated useless data does not need to be acquired all the year round and stored in the system, more operations are triggered only when the system suffers from external force disasters, the monitoring operation of the power transmission line is simplified to a great extent, and few data need to be acquired when the system works normally, so that the technical problem that the existing power transmission line monitoring technology is not targeted to monitor, the working efficiency of the system is low, and meanwhile a large amount of storage resources are wasted is solved.
For convenience of understanding, please refer to fig. 2, an embodiment of a device for monitoring structural safety of a power transmission line is further provided in the present application, including:
the acquisition module 201 is used for acquiring the tower footing acceleration of the power transmission tower in real time;
the calculation module 202 is used for acquiring real-time position information of the power transmission tower when the tower footing acceleration value is greater than or equal to a primary threshold value and smaller than a secondary threshold value, and calculating first tower footing displacement according to the real-time position information;
the first judging module 203 is configured to compare the first tower footing displacement with a first displacement threshold, and judge whether there is a tower collapse risk according to a comparison result;
the obtaining module 204 is configured to obtain the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower, and the displacement of the second tower footing when the acceleration value of the tower footing is greater than or equal to the second-level threshold;
and the second judging module 205 is configured to compare the tension of the transmission tower conductor, the inclination angle of the transmission tower, and the displacement of the second tower base with a tension threshold, an inclination threshold, and a second displacement threshold, respectively, and send an alarm if the tension of the transmission tower conductor is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold.
The first tower footing displacement comprises a first horizontal direction displacement and a first vertical direction displacement; the first displacement threshold comprises a first horizontal displacement threshold and a first vertical displacement threshold; the second tower footing displacement comprises a second horizontal direction displacement and a second vertical direction displacement; the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold.
Further, the second determination module 205 includes a second determination submodule 2051 for issuing a wire breakage alarm when the tension of the transmission tower conductor is greater than the tension threshold; and when the inclination angle of the transmission tower is greater than the inclination angle threshold value or the second tower footing displacement is greater than the second displacement threshold value, giving out a tower falling alarm.
For convenience of understanding, the present application provides an application example of a power transmission line structure safety monitoring device, specifically please refer to fig. 3 and 4, where fig. 3 is a schematic structural diagram of the power transmission line structure safety monitoring device; fig. 4 is a schematic installation diagram of the safety monitoring device for the power transmission line structure. The device specifically includes: the system comprises an acceleration sensor 1, a control switch 2, a tension sensor 3, a tilt sensor 4, a GNSS positioning module 5, a communication module 6, a power module 7 and a server 8; the acceleration sensor is used for acquiring the tower footing acceleration of the power transmission tower in real time, then comparing the tower footing acceleration with a primary threshold, triggering the GNSS positioning module through the control switch to acquire real-time position information of the power transmission tower when the acceleration peak value exceeds the primary threshold and is lower than a secondary threshold, calculating the displacement of a first tower footing, and sending the acquired displacement information to the server through the communication module for judgment, so that the monitoring of the tower collapse risk of the power transmission tower is realized through the detection of the displacement; when the acceleration peak value exceeds a secondary threshold value, triggering a tension sensor to detect the tension borne by the power transmission line through a control switch, triggering an inclination angle sensor to detect the inclination angle value of the power transmission tower, triggering a GNSS positioning module to detect the displacement value of the tower base of the power transmission tower, sending all the acquired data of the power transmission line to a server through a communication module, and sending out a disconnection alarm when the tension of a wire of the power transmission tower exceeds the tension threshold value; when the inclination angle of the power transmission tower exceeds an inclination angle threshold value or the displacement value of the tower base exceeds a preset displacement, a tower falling alarm is sent out; the power module provides power for the monitoring device. Only when the earthquake intensity reaches a certain value, namely the acceleration value of the tower footing exceeds a first-level threshold value, the positioning module is triggered to acquire a real-time position, the inclination angle sensor acquires the inclination angle of the power transmission tower, and the tension sensor acquires the tension of the power transmission line; under the condition that the power transmission line is in a normal state, the GNSS positioning module, the inclination angle sensor and the tension sensor are in a standby state, useless power transmission line data cannot be acquired, energy consumption is very low, different elements of the power transmission line structure safety can be monitored according to different earthquake grades, and when the earthquake grade is low, only the deformation of the power transmission tower foundation, namely the tower foundation displacement, is monitored; when the earthquake level is higher, the deformation of the power transmission tower foundation, the inclination angle of the tower body, the tension of the power transmission tower lead and the like are monitored, and differential monitoring of different earthquake levels is realized. Therefore, the application example can solve the technical problem that the existing power transmission line monitoring technology has no targeted monitoring, so that the working efficiency of the system is low, and a large amount of storage resources are wasted.
In order to facilitate understanding, the application provides a power transmission line structure safety monitoring device, which comprises a processor and a memory:
the memory is used for storing the program codes and transmitting the program codes to the processor;
the processor is used for executing any one of the power transmission line structure safety monitoring methods in the embodiments of the power transmission line structure safety monitoring method according to the instructions in the program codes.
To facilitate understanding, the present application provides a computer-readable storage medium for storing program codes, where the program codes are used to execute any one of the transmission line structure safety monitoring methods in the embodiments of the transmission line structure safety monitoring method of the present application.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for executing all or part of the steps of the method described in the embodiments of the present application through a computer device (which may be a personal computer, a server, or a network device). And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A method for monitoring the structure safety of a power transmission line is characterized by comprising the following steps:
acquiring the tower footing acceleration of the power transmission tower in real time;
when the tower footing acceleration value is greater than or equal to a primary threshold value and smaller than a secondary threshold value, acquiring real-time position information of the power transmission tower, and calculating first tower footing displacement according to the real-time position information;
comparing the first tower footing displacement with a first displacement threshold value, and judging whether tower collapse risks exist according to a comparison result;
when the tower footing acceleration value is larger than or equal to the second-level threshold value, acquiring the tension of a wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing;
and correspondingly comparing the tension of the wire of the transmission tower, the inclination angle of the transmission tower and the displacement of the second tower footing with a tension threshold, an inclination threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the transmission tower is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower footing is greater than or equal to the second displacement threshold.
2. The power transmission line structure safety monitoring method according to claim 1, wherein the first tower footing displacement comprises a first horizontal direction displacement and a first vertical direction displacement;
accordingly, the first displacement threshold includes a first horizontal displacement threshold and a first vertical displacement threshold.
3. The power transmission line structure safety monitoring method according to claim 1, wherein the second tower footing displacement comprises a second horizontal direction displacement and a second vertical direction displacement;
accordingly, the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold.
4. The transmission line structure safety monitoring method according to claim 1, wherein the correspondingly comparing the tension of the transmission tower conductor, the inclination angle of the transmission tower and the displacement of the second tower base with a tension threshold, an inclination threshold and a second displacement threshold respectively, and if the tension of the transmission tower conductor is greater than or equal to the tension threshold, or the inclination angle of the transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold, an alarm is issued, comprising:
when the tension of the transmission tower conductor is greater than the tension threshold value, sending out a disconnection alarm;
and when the inclination angle of the transmission tower is larger than the inclination angle threshold value or the second tower footing displacement is larger than the second displacement threshold value, sending out a tower falling alarm.
5. The utility model provides a transmission line structure safety monitoring device which characterized in that includes:
the acquisition module is used for acquiring the tower footing acceleration of the power transmission tower in real time;
the calculation module is used for acquiring real-time position information of the power transmission tower when the tower footing acceleration value is greater than or equal to a primary threshold value and smaller than a secondary threshold value, and calculating first tower footing displacement according to the real-time position information;
the first judgment module is used for comparing the first tower footing displacement with a first displacement threshold value and judging whether tower collapse risks exist according to a comparison result;
the acquisition module is used for acquiring the tension of a wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of a second tower footing when the acceleration value of the tower footing is greater than or equal to the secondary threshold value;
and the second judging module is used for correspondingly comparing the tension of the wire of the power transmission tower, the inclination angle of the power transmission tower and the displacement of the second tower base with a tension threshold, an inclination threshold and a second displacement threshold respectively, and giving an alarm if the tension of the wire of the power transmission tower is greater than or equal to the tension threshold, or the inclination angle of the power transmission tower is greater than or equal to the inclination threshold, or the displacement of the second tower base is greater than or equal to the second displacement threshold.
6. The transmission line structure safety monitoring device according to claim 5, wherein the first tower footing displacement comprises a first horizontal direction displacement and a first vertical direction displacement;
accordingly, the first displacement threshold includes a first horizontal displacement threshold and a first vertical displacement threshold.
7. The transmission line structure safety monitoring device according to claim 5, wherein the second tower footing displacement includes a second horizontal direction displacement and a second vertical direction displacement;
accordingly, the second displacement threshold includes a second horizontal displacement threshold and a second vertical displacement threshold.
8. The transmission line structure safety monitoring device according to claim 5, wherein the second determination module comprises:
the second judgment submodule is used for sending out a wire breakage alarm when the tension of the wire of the transmission tower is greater than the tension threshold value;
and when the inclination angle of the transmission tower is larger than the inclination angle threshold value or the second tower footing displacement is larger than the second displacement threshold value, sending out a tower falling alarm.
9. A transmission line structure safety monitoring device, characterized in that the device comprises a processor and a memory:
the memory is used for storing program codes and transmitting the program codes to the processor;
the processor is configured to execute the power transmission line structure safety monitoring method according to any one of claims 1 to 4 according to instructions in the program code.
10. A computer-readable storage medium for storing a program code for executing the transmission line structure safety monitoring method according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274315.4A CN111121864A (en) | 2019-12-12 | 2019-12-12 | Power transmission line structure safety monitoring method, device and equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911274315.4A CN111121864A (en) | 2019-12-12 | 2019-12-12 | Power transmission line structure safety monitoring method, device and equipment |
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| CN111121864A true CN111121864A (en) | 2020-05-08 |
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| CN201911274315.4A Pending CN111121864A (en) | 2019-12-12 | 2019-12-12 | Power transmission line structure safety monitoring method, device and equipment |
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| CN (1) | CN111121864A (en) |
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