CN115021190B - Transmission line control system - Google Patents
Transmission line control system Download PDFInfo
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- CN115021190B CN115021190B CN202210679574.0A CN202210679574A CN115021190B CN 115021190 B CN115021190 B CN 115021190B CN 202210679574 A CN202210679574 A CN 202210679574A CN 115021190 B CN115021190 B CN 115021190B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 158
- 230000008859 change Effects 0.000 claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 21
- 238000012937 correction Methods 0.000 claims abstract description 15
- 238000009413 insulation Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 abstract description 3
- 230000035882 stress Effects 0.000 description 67
- CNQCVBJFEGMYDW-UHFFFAOYSA-N lawrencium atom Chemical compound [Lr] CNQCVBJFEGMYDW-UHFFFAOYSA-N 0.000 description 43
- 238000010586 diagram Methods 0.000 description 18
- 238000001514 detection method Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 238000010248 power generation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/14—Arrangements or devices for damping mechanical oscillations of lines, e.g. for reducing production of sound
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
- G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/001—Driving devices, e.g. vibrators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- General Physics & Mathematics (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a power transmission line control system. The transmission line control system includes: the power transmission line control module comprises a piezoelectric element and at least two piezoelectric element control units, wherein the piezoelectric element is respectively and electrically connected with the piezoelectric element control units and the power transmission line, and the piezoelectric element control units are in communication connection with the background control module; the piezoelectric element outputs an electric change signal according to the stress change signal of the power transmission line, the piezoelectric element control unit outputs an electric feedback signal to the background control unit according to the electric change signal, the background control module outputs a stress control signal according to the electric feedback signal, and the piezoelectric element control unit outputs a stress correction signal to the piezoelectric element according to the stress control signal so as to control the motion state of the power transmission line. And the stress in the power transmission line is detected and regulated through the power transmission line control module and the background control module, so that the normal work of the power transmission line is ensured.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a power transmission line control system.
Background
With the increasing development of the power industry to intellectualization, automation and unmanned, the development of a power transmission line monitoring device is particularly important, at present, although a wire stress detection device is arranged on a power transmission line, load cannot be balanced according to unbalanced stress, stable power transmission of the power transmission line is ensured, when the galloping phenomenon of a large-span power transmission line is detected by means of video monitoring, stress detection and the like, but the occurrence of galloping cannot be controlled, so that a plurality of defects still exist in the aspect of wire detection of the power transmission line, and important problems of development are still needed for stress control and wire stress detection of the power transmission line.
Disclosure of Invention
The invention provides a power transmission line control system which is used for detecting and adjusting stress in a power transmission line and ensuring normal operation of the power transmission line.
The invention provides a transmission line control system, which comprises: the power transmission line control module comprises a piezoelectric element and at least two piezoelectric element control units, wherein the piezoelectric element is respectively and electrically connected with the piezoelectric element control units and the power transmission line, and the piezoelectric element control units are in communication connection with the background control module;
the piezoelectric element outputs an electric change signal according to the stress change signal of the power transmission line, the piezoelectric element control unit outputs an electric feedback signal to the background control module according to the electric change signal, the background control module outputs a stress control signal according to the electric feedback signal, and the piezoelectric element control unit outputs a stress correction signal to the piezoelectric element according to the stress control signal so as to control the motion state of the power transmission line.
Optionally, the piezoelectric element control unit includes a communication subunit, the communication subunit is electrically connected with the piezoelectric element, and the communication subunit is connected with the background control module in a communication manner.
Optionally, the piezoelectric element control unit includes a battery subunit, the battery subunit is electrically connected with the piezoelectric element, and the battery subunit outputs a stress correction electrical signal to the piezoelectric element according to the stress correction signal.
Optionally, the battery subunit is a solar battery.
Optionally, the transmission line control system includes a connection part, the connection part includes a first connection part and a second connection part, the piezoelectric element control unit is connected with the transmission line tower through the first connection part, and the piezoelectric element is connected with the transmission line through the second connection part.
Optionally, the transmission line control module includes an insulation unit, the insulation unit is connected with the piezoelectric element and the second connecting component respectively, and the insulation unit is used for insulation between the transmission line and the transmission line tower.
Optionally, the piezoelectric element includes a piezoelectric component and a strain component, the strain component is attached to a surface of the piezoelectric component, and the piezoelectric component and the strain component are electrically connected with the piezoelectric element control unit and the power transmission line.
Optionally, the piezoelectric element includes an electrical signal sensor, and the electrical signal sensor is electrically connected to the piezoelectric assembly, the strain assembly, and the piezoelectric element control unit, respectively.
Optionally, the at least two piezoelectric element control units include a first piezoelectric element control unit and a second piezoelectric element control unit connected in parallel and arranged at intervals;
the power transmission line control module further comprises a protection unit, the protection unit comprises a first protection unit and a second protection unit, the protection unit is respectively connected with the first piezoelectric element control unit and the second piezoelectric element control unit,
the piezoelectric element is electrically connected with the first piezoelectric element control unit and the second piezoelectric element control unit respectively;
the first protection unit and the second protection unit are respectively positioned at two sides of the piezoelectric element and are symmetrically arranged; the protection unit is used for preventing the piezoelectric element control unit from falling off when the piezoelectric element fails.
Optionally, the protection unit includes: the support assembly is connected with the first piezoelectric element control unit and the second piezoelectric element control unit respectively, the first piezoelectric element control unit and the second piezoelectric element control unit are sequentially arranged along a first direction, the sliding assembly at least partially penetrates through the second piezoelectric element control unit, the support assembly comprises a first side face, a second side face and a first hollow structure which at least partially penetrates through the first side face and the second side face, the support assembly further comprises a first bottom face, a second bottom face and a second hollow structure which are oppositely arranged, the second bottom face at least partially penetrates through the second bottom face, the sliding assembly comprises a first sliding subsection and a second sliding subsection which are connected with each other, the first sliding subsection is positioned in the first hollow structure, the second sliding subsection is positioned in the second hollow structure, the sliding assembly slides along the first direction, and the distance between the first bottom face and the second bottom face is smaller than the length of the sliding assembly;
the first direction is a direction pointing to the second bottom surface along the first bottom surface.
According to the technical scheme provided by the embodiment of the invention, the power transmission line control system comprises: the power transmission line control module comprises a piezoelectric element and at least two piezoelectric element control units, wherein the piezoelectric element is respectively and electrically connected with the piezoelectric element control units and the power transmission line, and the piezoelectric element control units are in communication connection with the background control module; the piezoelectric element outputs an electric change signal according to the stress change signal of the power transmission line, the piezoelectric element control unit outputs an electric feedback signal to the background control unit according to the electric change signal, the background control module outputs a stress control signal according to the electric feedback signal, and the piezoelectric element control unit outputs a stress correction signal to the piezoelectric element according to the stress control signal so as to control the motion state of the power transmission line. And the stress in the power transmission line is detected and regulated through the power transmission line control module and the background control module, so that the normal work of the power transmission line is ensured.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a transmission line control system according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a power transmission line tower according to a first embodiment of the present invention;
fig. 3 is a schematic diagram of a part of a transmission line control system according to a first embodiment of the present invention;
fig. 4 is a schematic diagram of vibration waveforms of a power transmission line according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a transmission line control system according to a second embodiment of the present invention;
fig. 6 is a schematic structural diagram of another transmission line control system according to the second embodiment of the present invention;
fig. 7 is a schematic structural diagram of a transmission line control module according to a second embodiment of the present invention;
fig. 8 is a schematic structural diagram of a protection unit according to a second embodiment of the present invention;
fig. 9 is a front view of a protection unit according to a second embodiment of the present invention;
fig. 10 is a side view of a protection unit according to a second embodiment of the present invention;
fig. 11 is a schematic structural diagram of a sliding assembly according to a second embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1
Fig. 1 is a schematic structural diagram of a transmission line control system according to a first embodiment of the present invention, fig. 2 is a schematic structural diagram of a transmission line tower according to a first embodiment of the present invention, and fig. 3 is a schematic structural diagram of a portion of a transmission line control system according to a first embodiment of the present invention, where as shown in fig. 1, fig. 2 and fig. 3, a transmission line control system 100 includes: the power transmission line control module 101 and the background control module 102, wherein the power transmission line control module 101 comprises a piezoelectric element 103 and at least two piezoelectric element control units 104, the piezoelectric element 103 is respectively and electrically connected with the piezoelectric element control units 104 and the power transmission line 105, and the piezoelectric element control units 104 are in communication connection with the background control module 102; the piezoelectric element 103 outputs an electrical change signal according to a stress change signal of the power transmission line 105, the piezoelectric element control unit 104 outputs an electrical feedback signal to the background control module 102 according to the electrical change signal, the background control module 102 outputs a stress control signal according to the electrical feedback signal, and the piezoelectric element control unit 104 outputs a stress correction signal to the piezoelectric element 103 according to the stress control signal to control a motion state of the power transmission line 105.
The background control module 102 may be a power transmission line operation and maintenance monitoring system, and is configured to monitor and control the state of the power transmission line 105 in real time, so as to ensure the normal operation of the power transmission line 105. The background control module 102 is in communication connection with a communication subunit 106 of the piezoelectric element control unit 104 in the power transmission line control module 101, so that timely acquisition and feedback of the state of the power transmission line 105 are realized, the power transmission line control module 101 is installed on the power transmission line tower 10, the power transmission line control module 101 comprises a piezoelectric element 103 and two piezoelectric element control units 104, the piezoelectric element 103 is respectively and electrically connected with the piezoelectric element control unit 104 and the power transmission line 105, the piezoelectric element control unit 104 is in communication connection with the background control module 102, when the power transmission line 105 is in galloping, namely the power transmission line 105 is subjected to stress change, the piezoelectric element 103 receives a stress change signal of the power transmission line 105, so that the piezoelectric element 103 generates an electric change signal due to the stress change, and then the piezoelectric element 103 outputs the electric change signal to the piezoelectric element control unit 104, the piezoelectric element control unit 104 receives the electric feedback signal to the background control module 102 connected with the piezoelectric element control unit, and stores and calculates the electric feedback signal, and when the power transmission line 105 is in the action of external force, the piezoelectric element 103 can adaptively output the stress to the power transmission line 105 to compensate the power transmission line 105 to galloping; however, when the power transmission line 105 is subject to a large angle of oscillation under the action of an external force, the adaptive output stress in the piezoelectric element 103 cannot stop the power transmission line 105, so that external stress compensation is needed at this time, that is, after the background control module 102 receives the electric feedback signal, analysis and calculation are performed to determine that the current power transmission line 105 is subject to a large angle of oscillation, then according to the stress variation value in the current power transmission line 105, the piezoelectric element control unit 104 correspondingly outputs a stress control signal, receives the stress control signal and correspondingly outputs a stress correction signal to the piezoelectric element 103, the piezoelectric element 103 generates a corresponding internal stress variation due to the stress correction signal, and then transmits the internal stress variation to the power transmission line 105 to control the motion state of the power transmission line 105, and fig. 4 is a vibration waveform schematic diagram of the power transmission line provided by the first embodiment of the present invention, and as shown in fig. 4, T is the period of the vibration waveform, F is the amplitude of the vibration waveform, and stress compensation is performed on the power transmission line 105, that is the vibration waveform opposite to the current vibration waveform L1 of the power transmission line 105 and the vibration waveform L2 of the power transmission line to be adjusted, and the superimposed vibration waveform 105 stops working normally after the vibration waveform is cancelled.
The power transmission line control system comprises a power transmission line control module and a background control module, wherein the power transmission line control module comprises a piezoelectric element and at least two piezoelectric element control units, the piezoelectric element is respectively and electrically connected with the piezoelectric element control units and the power transmission line, and the piezoelectric element control units are in communication connection with the background control module; the piezoelectric element outputs an electric change signal according to the stress change signal of the power transmission line, the piezoelectric element control unit outputs an electric feedback signal to the background control unit according to the electric change signal, the background control module outputs a stress control signal according to the electric feedback signal, and the piezoelectric element control unit outputs a stress correction signal to the piezoelectric element according to the stress control signal so as to control the motion state of the power transmission line. And the stress in the power transmission line is detected and regulated through the power transmission line control module and the background control module, so that the normal work of the power transmission line is ensured.
Example two
Fig. 5 is a schematic structural diagram of a transmission line control system according to a second embodiment of the present invention, as shown in fig. 5, the piezoelectric element control unit 104 includes a communication subunit 106, the communication subunit 106 is electrically connected to the piezoelectric element 103, and the communication subunit 106 is communicatively connected to the background control module 102.
The piezoelectric element control unit 104 includes a communication subunit 106, the communication subunit 106 is electrically connected with the piezoelectric element 103, and generates a stress variation signal corresponding to a stress variation of the power transmission line 105 received in the piezoelectric element 103, and transmits the electrical variation signal corresponding to the stress variation signal to the background control module 102, and the background control module 102 receives and analyzes the electrical variation signal, so as to output a stress control signal corresponding to the magnitude of the electrical variation signal, correct the stress variation in the power transmission line 105, and ensure normal operation of the power transmission line 105.
Alternatively, with continued reference to fig. 3 and 5, the piezoelectric element control unit 104 includes a battery subunit 107, the battery subunit 107 being electrically connected to the piezoelectric element 103, the battery subunit 107 outputting a stress correction electrical signal to the piezoelectric element 103 according to the stress correction signal.
The piezoelectric element control unit 104 includes a battery subunit 107, where the battery subunit 107 is electrically connected with the piezoelectric element 103, the battery subunit 107 may supply power to the piezoelectric element 103, and meanwhile, for stress control information output by the background control module 102, after the piezoelectric element control unit 104 receives the stress control information, the piezoelectric element control unit 104 controls the battery subunit 107 to output a stress correction electric signal to the piezoelectric element 103, that is, to output a certain electric energy to the piezoelectric element 103, adjust stress variation received by the piezoelectric element 103, and then transmit the stress variation received by the piezoelectric element 103 to the power transmission line 105, so as to offset stress received by the power transmission line 105, and avoid large-angle galloping of the power transmission line 105, and influence normal operation of the power transmission line 105.
Alternatively, the battery subunit 107 is a solar cell.
The battery subunit 107 may be a solar battery, and is an electric device that directly converts light energy into electric energy through a photovoltaic effect, and provides heat through absorbing sunlight for direct heating or indirect power generation. Through utilizing solar energy to supply power, need not to additionally set up power supply unit, reduce maintenance cost.
Alternatively, fig. 6 is a schematic structural diagram of another transmission line control system according to the second embodiment of the present invention, as shown in fig. 6, the transmission line control system 100 includes a connection member 108, where the connection member 108 includes a first connection member 1081 and a second connection member 1082, the piezoelectric element control unit 104 is connected to the transmission line tower 10 through the first connection member 1081, and the piezoelectric element 103 is connected to the transmission line through the second connection member 1082.
The transmission line control system 100 includes a connection component 108, where the connection component 108 includes a first connection component 1081 and a second connection component 1082, the first connection component 1081 and the second connection component 1082 may be connection hardware, and the piezoelectric element control unit 104 is connected to the transmission line tower 10 through the first connection component 1081, so that the piezoelectric element control unit 104 is fixedly connected to the transmission line tower 10, and further is connected to the background control module 102 in a communication manner; the piezoelectric element 103 is connected with the power transmission line 105 through the second connecting component 1082, so that the piezoelectric element is electrically connected with the power transmission line 105, and the piezoelectric element 103 can sense stress variation in the power transmission line 105, thereby ensuring that the power transmission line control module 101 monitors and adjusts the stress variation of the power transmission line 105.
Optionally, with continued reference to fig. 6, the transmission line control module 101 includes an insulation unit 109, where the insulation unit 109 is connected to the piezoelectric element 103 and the second connection member 1082, and the insulation unit 109 is used for insulation between the transmission line 105 and the transmission line tower 10.
The transmission line control module 101 includes an insulation unit 109, where the insulation unit 109 may be a composite insulator string, and the insulation unit 109 is a protection device with fixing and operation requirements, and the insulation unit 109 is connected to the piezoelectric element 103 and the second connection component 1082, so as to insulate between the transmission line 105 and the transmission line tower 10. Meanwhile, the insulating unit 109 may not be provided for the ground line in the power transmission line 105. The insulation unit 109 may be correspondingly selected in different assembly manners due to the structure of the power transmission line tower 10, the size, the number and the voltage level of the power transmission line 105, and the embodiment of the present invention is not particularly limited.
Alternatively, with continued reference to fig. 5 and 6, the piezoelectric element 103 includes a piezoelectric component 1031 and a strain component 1032, the strain component 1032 being attached to a surface of the piezoelectric component 1031, the piezoelectric component 1031 and the strain component 1032 being electrically connected to the piezoelectric element control unit 104 and the power transmission line 105.
The piezoelectric element 103 includes a piezoelectric component 1031 and a strain component 1032, the strain component 1032 is attached to a surface of the piezoelectric component 1031, the piezoelectric component 1031 may be made of an inorganic piezoelectric material, such as piezoelectric ceramics or piezoelectric crystals, and may generate a voltage between two end surfaces when receiving a pressure; the strain assembly 1032 may be a strain gauge, the strain gauge is attached to the surface of the piezoelectric assembly 1031, the piezoelectric assembly 1031 and the strain assembly 1032 are electrically connected to the power transmission line 105, when the power transmission line 105 is subjected to a stress and is subject to galloping, the strain assembly 1032 can perform stress change detection on the power transmission line 105, and convert a stress change signal into an electrical change signal and output the electrical change signal to the piezoelectric element control unit 104; the piezoelectric component 1031 generates internal voltage change due to stress change, and outputs an electric change signal to the piezoelectric element control unit 104 in the output of the electric change signal, and the electric change signal is output by the strain component 1032 and the piezoelectric component 1031 to perform double monitoring on the power transmission line 105, so that the accuracy of detecting the stress in the power transmission line 105 is ensured.
Alternatively, the piezoelectric element 103 includes an electric signal sensor electrically connected to the piezoelectric component 1031, the strain component 1032, and the piezoelectric element control unit 104, respectively.
The piezoelectric element 103 includes an electrical signal sensor, where the electrical signal sensor is electrically connected to the piezoelectric component 1031, the strain component 1032 and the piezoelectric element control unit 104, the electrical signal sensor may be a stress sensor, and the electrical signal sensor may convert a stress variation signal received by the piezoelectric element 103 into an electrical variation signal, and then receive the electrical variation signal by the piezoelectric element control unit 104, convert the electrical variation signal into an electrical feedback signal and transmit the electrical feedback signal, so as to ensure that the background control module 102 receives stress variation information received in the power transmission line 105, and further accurately outputs a stress control signal.
Optionally, fig. 7 is a schematic structural diagram of a transmission line control module according to a second embodiment of the present invention, as shown in fig. 7, at least two piezoelectric element control units 104 include a first piezoelectric element control unit 1041 and a second piezoelectric element control unit 1042 connected in parallel and arranged at intervals; the transmission line control module 101 further includes a protection unit 110, where the protection unit 110 includes a first protection unit 1101 and a second protection unit 1102, the protection unit 110 is connected to the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042, and the piezoelectric element 103 is electrically connected to the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042, respectively; the first protection unit 1101 and the second protection unit 1102 are respectively located at two sides of the piezoelectric element 103 and symmetrically arranged; the protection unit 110 is used to prevent the piezoelectric element control unit 104 from falling off when the piezoelectric element 103 fails.
The power transmission line control module 101 may include a first piezoelectric element control unit 1041 and a second piezoelectric element control unit 1042, where the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042 are connected in parallel and arranged at intervals, and when the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042 are used simultaneously, the accuracy of stress detection and stress adjustment in the power transmission line 105 can be ensured; when any one of the two piezoelectric element control units 104 is damaged, the other piezoelectric element control unit 104 can be continuously used, so that the stress detection and stress adjustment effects in the power transmission line 105 are ensured. The piezoelectric element 103 is connected with the piezoelectric element control unit 104, when a piezoelectric component in the piezoelectric element 103 is damaged, the piezoelectric element control unit 104 connected with the piezoelectric element 103 has a falling risk to cause a safety accident, for this purpose, a protection unit 110 can be arranged on the transmission line control module 101, the protection unit 110 comprises a first protection unit 1101 and a second protection unit 1102, the protection unit 110 and the piezoelectric element 103 are connected with a first piezoelectric element control unit 1041 and a second piezoelectric element control unit 1042, and the first protection unit 1101 and the second protection unit 1102 are respectively arranged at two sides of the piezoelectric element 103 and symmetrically; the first protection unit 1101 and the second protection unit 1102 may be made of high-strength low-carbon steel, so as to play a good role in supporting, and specific dimensions of the first protection unit 1101 and the second protection unit 1102 may be selected according to actual design requirements of the transmission line control module 101, which is not specifically limited in the embodiment of the present invention. When the piezoelectric element 103 fails or breaks, the protection unit 110 activates the protection function, preventing the piezoelectric element control unit 104 from falling off.
Alternatively, fig. 8 is a schematic structural diagram of a protection unit according to a second embodiment of the present invention, fig. 9 is a front view of a protection unit according to a second embodiment of the present invention, fig. 10 is a side view of a protection unit according to a second embodiment of the present invention, fig. 11 is a schematic structural diagram of a sliding assembly according to a second embodiment of the present invention, and as shown in fig. 7, 8, 9, 10 and 11, the protection unit 110 includes: the support assembly 111 and the sliding assembly 112, the support assembly 111 is connected with the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042 respectively, the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042 are sequentially arranged along the first direction, the sliding assembly 112 at least partially penetrates through the second piezoelectric element control unit 1042, the support assembly 111 comprises a first side 1101, a second side 1102 and a first hollow structure 1103 which at least partially penetrates through the first side 1101 and the second side 1102 which are oppositely arranged, the support assembly 111 further comprises a first bottom 1104, a second bottom 1105 and a second hollow structure 1106 which at least partially penetrates through the second bottom 1105 which are oppositely arranged, the sliding assembly 112 comprises a first sliding subsection 1121 and a second sliding subsection 1122, the first sliding subsection 1121 is positioned in the first hollow structure 1103, the second sliding subsection 1122 is positioned in the second hollow structure 1106, the sliding assembly 112 slides along the first direction, and the distance between the first bottom 1104 and the second bottom 1105 is smaller than the extension length of the sliding assembly 112 along the first direction X; the first direction X is a direction along the first bottom surface 1104 pointing toward the second bottom surface 1105.
The protection unit 110 includes a support component 111 and a sliding component 112, where the support component 111 supports the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042, so that the first piezoelectric element control unit 1041 and the second piezoelectric element control unit 1042 are disposed at intervals, the support component 11 is a rectangular support square column with a rectangular structure, the support component 111 includes a first side 1101 and a second side 1102 which are disposed opposite to each other and a first hollow structure 1103 which at least partially penetrates the first side 1101 and the second side 1102, and the support component 111 also includes a first bottom 1104 and a second bottom 1105 which are disposed opposite to each other and a second hollow structure 1106 which at least partially penetrates the second bottom 1105, the first sliding part 1121 of the sliding component 112 is disposed in the first hollow structure 1103, and the second sliding part 1122 of the sliding component 112 is disposed in the second hollow structure 1106, and the sliding component 112 in the protection unit 110 is disposed at least partially penetrating the second piezoelectric element control unit 1042, i.e. the support component 111 is disposed with a hollow slide rail, so that the sliding component 112 can slide in the first hollow structure 1103 and the second hollow structure 1106, and the sliding component 1102 can slide in the first hollow structure, and the first side surface 1102 extends along the first bottom surface X, and the second side surface 1105 extends along the first bottom surface 103, and the length between the first side surface and the second side surface 1105 is smaller than the first side surface 1101, and the sliding part 112 extends at least to the first side surface 1101, and the length is smaller than the first sliding part 112, and the sliding component 112 is at least between the first side surface is avoided when the sliding element is at the first side and the first side surface and the sliding element is designed to extend, and the sliding element 112, and is at a lower than a sliding element, and lower than length, and is lower than a sliding element between the sliding element side element and is and a sliding element and side device and is capable.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (9)
1. A transmission line control system, comprising:
the power transmission line control module comprises a piezoelectric element and at least two piezoelectric element control units, wherein the piezoelectric element is respectively and electrically connected with the piezoelectric element control units and the power transmission line, and the piezoelectric element control units are in communication connection with the background control module;
the piezoelectric element outputs an electric change signal according to the stress change signal of the power transmission line, the piezoelectric element control unit outputs an electric feedback signal to the background control module according to the electric change signal, the background control module outputs a stress control signal according to the electric feedback signal, and the piezoelectric element control unit outputs a stress correction signal to the piezoelectric element according to the stress control signal so as to control the motion state of the power transmission line;
the at least two piezoelectric element control units comprise a first piezoelectric element control unit and a second piezoelectric element control unit which are connected in parallel and are arranged at intervals;
the power transmission line control module further comprises a protection unit, the protection unit comprises a first protection unit and a second protection unit, the protection unit is respectively connected with the first piezoelectric element control unit and the second piezoelectric element control unit,
the piezoelectric element is electrically connected with the first piezoelectric element control unit and the second piezoelectric element control unit respectively;
the first protection unit and the second protection unit are respectively positioned at two sides of the piezoelectric element and are symmetrically arranged; the protection unit is used for preventing the piezoelectric element control unit from falling off when the piezoelectric element fails.
2. The transmission line control system according to claim 1, wherein the piezoelectric element control unit includes a communication subunit electrically connected to the piezoelectric element, and the communication subunit is communicatively connected to the background control module.
3. The transmission line control system according to claim 1, wherein the piezoelectric element control unit includes a battery subunit electrically connected to the piezoelectric element, the battery subunit outputting a stress correction electrical signal to the piezoelectric element in accordance with the stress correction signal.
4. The transmission line control system according to claim 3, wherein the battery subunit is a solar cell.
5. The transmission line control system according to claim 1, characterized in that the transmission line control system comprises a connection part including a first connection part and a second connection part, the piezoelectric element control unit is connected with the transmission line tower through the first connection part, and the piezoelectric element is connected with the transmission line through the second connection part.
6. The transmission line control system according to claim 5, wherein the transmission line control module includes an insulation unit connected to the piezoelectric element and the second connection member, respectively, the insulation unit being used for insulation between the transmission line and the transmission line tower.
7. The transmission line control system according to claim 1, wherein the piezoelectric element includes a piezoelectric component and a strain component attached to a surface of the piezoelectric component, and both the piezoelectric component and the strain component are electrically connected to the piezoelectric element control unit and the transmission line.
8. The transmission line control system according to claim 7, wherein the piezoelectric element includes an electrical signal sensor electrically connected to the piezoelectric assembly, the strain assembly, and the piezoelectric element control unit, respectively.
9. The transmission line control system according to claim 1, wherein the protection unit includes: the support assembly is connected with the first piezoelectric element control unit and the second piezoelectric element control unit respectively, the first piezoelectric element control unit and the second piezoelectric element control unit are sequentially arranged along a first direction, the sliding assembly at least partially penetrates through the second piezoelectric element control unit, the support assembly comprises a first side face, a second side face and a first hollow structure which at least partially penetrates through the first side face and the second side face, the support assembly further comprises a first bottom face, a second bottom face and a second hollow structure which are oppositely arranged, the second bottom face at least partially penetrates through the second bottom face, the sliding assembly comprises a first sliding subsection and a second sliding subsection which are connected with each other, the first sliding subsection is positioned in the first hollow structure, the second sliding subsection is positioned in the second hollow structure, the sliding assembly slides along the first direction, and the distance between the first bottom face and the second bottom face is smaller than the length of the sliding assembly;
the first direction is a direction pointing to the second bottom surface along the first bottom surface.
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