CN115060235A - Lightweight distribution shaft tower slope monitoring devices - Google Patents
Lightweight distribution shaft tower slope monitoring devices Download PDFInfo
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- CN115060235A CN115060235A CN202210675834.7A CN202210675834A CN115060235A CN 115060235 A CN115060235 A CN 115060235A CN 202210675834 A CN202210675834 A CN 202210675834A CN 115060235 A CN115060235 A CN 115060235A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 238000012544 monitoring process Methods 0.000 claims description 40
- 238000009434 installation Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 18
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
- G01C9/02—Details
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
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Abstract
The invention discloses a lightweight power distribution tower inclination monitoring device which comprises a first fixing block and a second fixing block, wherein two groups of first clamping plates are symmetrically welded on the surface of the first fixing block, first connecting blocks are welded at the other ends of the two groups of first clamping plates, two groups of second clamping plates are symmetrically welded on the surface of the second fixing block, second connecting blocks are welded at the other ends of the two groups of second clamping plates, the first connecting blocks and the second connecting blocks are fixedly connected through first fastening bolts, and first nuts are connected at the other ends of the first fastening bolts in a threaded mode. According to the invention, the first fixing block, the second fixing block, the first clamping plate and the second clamping plate are arranged, the first connecting block and the second connecting block are fixedly connected by using the first fastening bolt and the first nut, and the first fixing block, the second fixing block, the first clamping plate and the second clamping plate are fixedly arranged at the outer side of the tower, so that the device is convenient to install and can be conveniently installed on towers with different diameters.
Description
Technical Field
The invention belongs to the technical field of tower inclination monitoring, and particularly relates to a lightweight power distribution tower inclination monitoring device.
Background
The inclination of the power transmission line tower causes great threat to the safe operation of the line, the tower falling and the line breaking will be caused under the serious condition, the consequence of the power supply interruption generates serious hidden danger to the safe production and the guarantee of the power supply of a power supply company, and therefore, the inclination monitoring device of the power distribution tower is required to be installed on the tower.
Present lightweight distribution shaft tower slope monitoring devices still have some problems: inconvenient installation on the shaft tower of different diameters, and inconvenient protect the monitor terminal body, reduced life, for this we provide a lightweight distribution shaft tower slope monitoring devices.
Disclosure of Invention
The invention aims to provide a lightweight power distribution tower inclination monitoring device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a lightweight power distribution tower inclination monitoring device comprises a first fixing block and a second fixing block, wherein two groups of first clamping plates are symmetrically welded on the surface of the first fixing block, a first connecting block is welded at the other end of each of the two groups of first clamping plates, two groups of second clamping plates are symmetrically welded on the surface of the second fixing block, a second connecting block is welded at the other end of each of the two groups of second clamping plates, the first connecting block and the second connecting block are fixedly connected through a first fastening bolt, a first nut is in threaded connection with the other end of the first fastening bolt, the first nut is arranged on the outer side of the second connecting block, an installation frame is welded on the outer surface of the second fixing block, a monitoring terminal body is arranged on the inner side of the installation frame, and the outer side of the monitoring terminal body is fixedly connected with the installation frame through an installation assembly;
the mounting assembly comprises a mounting block, a second fastening bolt, a second nut and a through hole, the mounting block is fixedly arranged on the outer surface of the monitoring terminal body, the second fastening bolt is fixedly connected with the mounting block, the second nut is arranged on the upper surface of the mounting frame, the through hole is formed in the upper surface of the mounting frame, and the second fastening bolt penetrates through the through hole and is in threaded connection with the second nut;
the monitoring terminal body comprises a data acquisition module, a power supply module, a concentrator and a GPRS communication module, and is used for monitoring the operating parameters of the tower; the data acquisition module is used for acquiring data and comprises a tension sensor, an inclination sensor, a CPU (central processing unit) processor and a wireless mesh communication module; the power supply module is used for supplying power to the monitoring terminal body and comprises a voltage stabilizing unit, a rectifying unit and a radiating unit; the concentrator is used for reading terminal data at regular time, transmitting system commands, communicating data, managing networks, recording events and transversely transmitting data; and the GPRS communication module is used for providing network communication for the monitoring terminal body and transmitting data.
The first fixing block, the second fixing block, the first clamping plate and the second clamping plate are arranged, the first connecting block and the second connecting block are fixedly connected through the first fastening bolt and the first nut, and the first fixing block, the second fixing block, the first clamping plate and the second clamping plate are fixedly arranged on the outer side of the tower, so that the device is convenient to install and can be conveniently installed on towers with different diameters; through setting up the installing frame to the below of installing the installing frame is installed the monitor terminal body through the installation component, make things convenient for the monitor terminal body to carry out the slope monitoring to the pole tower, can carry out dustproof rain-proof protection to the monitor terminal body through the installing frame, increase the security of monitor terminal body, thereby improve the life of monitor terminal body.
Preferably, the two groups of first clamping plates and the two groups of second clamping plates are distributed in a diamond structure.
Preferably, a first gasket is arranged between the end of the first fastening bolt and the first connecting block, a second gasket is arranged between the first nut and the second connecting block, and the first gasket and the second gasket are sleeved on the circumference of the first fastening bolt.
Preferably, the mounting frame is provided with a hollow structure with an open lower end, and the outer surface of the mounting frame is coated with a corrosion-resistant coating.
Preferably, the mounting assemblies are provided with four groups, and the four groups of mounting assemblies are respectively arranged on the periphery of the mounting frame and the monitoring terminal body.
Preferably, the lower surface of the mounting block is provided with a groove, the end of the second fastening bolt is arranged in the groove, the groove is a regular hexagonal groove, the end of the second fastening bolt is arranged in a regular hexagonal structure, a rubber sealing gasket is arranged between the second nut and the upper surface of the mounting frame, and the rubber sealing gasket is sleeved on the circumference of the second fastening bolt.
Preferably, the tension sensor and the inclination angle sensor are respectively used for measuring the stress F and the inclination angle alpha of a tower, and the CPU is used for acquiring the optimized inclination angle theta of the tower according to the stress F and the inclination angle alpha; the wireless mesh communication module is used for transmitting the optimized inclination angle theta to the concentrator; the concentrator is used for packaging the received data to obtain an inclination signal; and the GPRS communication module is used for transmitting the inclination signal to a remote monitoring terminal.
Preferably, the data acquisition module acquires the magnitude of the displacement S according to the following formula:
wherein F represents the stress of the tower, L represents the length of the tower, E represents the elastic modulus, and I represents the inertia moment of the cross section of the material to the bending neutral axis;
obtaining the size of beta according to the displacement S, wherein the size comprises the following formula:
obtaining an optimized inclination angle theta according to the inclination angle alpha and the inclination angle beta, wherein the optimized inclination angle theta comprises the following formula:
θ＝0.7*α+0.3*β。
preferably, the operation formula of the temperature and the output current limit value in the power module is as follows:
I tr ＝I omr -((T mr -T n )*k)
in the above formula, I tr Is a current limit controlled by temperature; i is mor The maximum current limit value is the rated output of the power supply module; t is a unit of mr A preset safe temperature threshold; t is n Sampling the current temperature of the module; k is a control coefficient of the feedback quantity and is determined according to actual system debugging.
Preferably, the time synchronization algorithm in the concentrator is as follows:
let T be (T) 1 +T 2 ) And/2, then T ═ T + (T) 2 -t 1 )/2；
When t is 1 <When T, T is T + (T) 2 -t 1 )/2；
When t is 1 >When T, T is T- (T) 2 -t 1 )/2；
Wherein, t 1 Requesting a command time clock for the concentrator; t is 1 A time clock for receiving the time setting request command of the concentrator; t is 2 A time clock for sending a time setting command to the concentrator; t is t 2 Transmitting time length for sending time setting command to the concentrator; and t is the concentrator time tick clock.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the first fixing block, the second fixing block, the first clamping plate and the second clamping plate are arranged, the first connecting block and the second connecting block are fixedly connected by using the first fastening bolt and the first nut, and the first fixing block, the second fixing block, the first clamping plate and the second clamping plate are fixedly arranged at the outer side of the tower, so that the device is convenient to install and can be conveniently installed on towers with different diameters.
(2) According to the invention, the installation frame is arranged, the monitoring terminal body is installed below the installation frame through the installation assembly, the monitoring terminal body can be used for monitoring the inclination of the pole tower conveniently, the dustproof and rainproof protection can be carried out on the monitoring terminal body through the installation frame, the safety of the monitoring terminal body is improved, and the service life of the monitoring terminal body is prolonged.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a partial right side cross-sectional view of the invention shown in FIG. 1;
FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;
FIG. 4 is a structural cross-sectional view of a mounting frame portion of the present invention;
FIG. 5 is a block diagram of the monitor terminal body according to the present invention;
FIG. 6 is a block diagram of a data acquisition module according to the present invention.
In the figure: 1. a first fixed block; 2. a second fixed block; 3. a first clamping plate; 4. a first connection block; 5. a second clamping plate; 6. a second connecting block; 7. a first fastening bolt; 8. a first nut; 9. installing a frame; 10. monitoring a terminal body; 11. mounting the component; 111. mounting blocks; 112. a second fastening bolt; 113. a second nut; 114. a through hole; 115. a groove; 116. a rubber gasket; 12. a first gasket; 13. a second gasket.
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.
Referring to fig. 1-6, the present invention provides a technical solution: a lightweight power distribution tower inclination monitoring device comprises a first fixed block 1 and a second fixed block 2, two groups of first clamping plates 3 are symmetrically welded on the surface of the first fixing block 1, first connecting blocks 4 are welded at the other ends of the two groups of first clamping plates 3, two groups of second clamping plates 5 are symmetrically welded on the surface of the second fixing block 2, a second connecting block 6 is welded at the other end of each group of second clamping plates 5, the first connecting block 4 and the second connecting block 6 are fixedly connected by a first fastening bolt 7, the other end of the first fastening bolt 7 is in threaded connection with a first nut 8, the first nut 8 is arranged on the outer side of the second connecting block 6, the outer surface of the second fixed block 2 is welded with a mounting frame 9, the inner side of the mounting frame 9 is provided with a monitoring terminal body 10, the outer side of the monitoring terminal body 10 is fixedly connected with the mounting frame 9 through a mounting component 11;
the mounting assembly 11 includes a mounting block 111, a second fastening bolt 112, a second nut 113 and a through hole 114, the mounting block 111 is fixedly disposed on the outer surface of the monitoring terminal body 10, the second fastening bolt 112 is fixedly connected with the mounting block 111, the second nut 113 is disposed on the upper surface of the mounting frame 9, the through hole 114 is disposed on the upper surface of the mounting frame 9, and the second fastening bolt 112 penetrates through the through hole 114 and is in threaded connection with the second nut 113;
the monitoring terminal body 10 comprises a data acquisition module, a power supply module, a concentrator and a GPRS communication module, and the monitoring terminal body 10 is used for monitoring the operation parameters of the tower; the data acquisition module is used for acquiring data and comprises a tension sensor, an inclination sensor, a CPU (central processing unit) processor and a wireless mesh communication module; the power module is used for supplying power to the monitoring terminal body 10, and comprises a voltage stabilizing unit, a rectifying unit and a heat dissipation unit; the concentrator is used for reading terminal data at regular time, transmitting system commands, communicating data, managing networks, recording events and transversely transmitting data; the GPRS communication module is used for providing network communication to the monitoring terminal body 10 and performing data transmission.
In order to facilitate fixing on towers with different diameters, in this embodiment, preferably, the two groups of first clamping plates 3 and the two groups of second clamping plates 5 are distributed in a diamond structure.
In this embodiment, preferably, a first gasket 12 is disposed between the end of the first fastening bolt 7 and the first connecting block 4, a second gasket 13 is disposed between the first nut 8 and the second connecting block 6, and the first gasket 12 and the second gasket 13 are sleeved on the circumference of the first fastening bolt 7; the stability of the connection of the first fastening bolt 7 and the first nut 8 can be increased by providing the first washer 12 and the second washer 13.
In order to facilitate the installation frame 9 to be dustproof and rainproof, and increase the corrosion resistance and service life of the installation frame 9, in this embodiment, preferably, the installation frame 9 is configured as a hollow structure with an open lower end, and the outer surface of the installation frame 9 is coated with a corrosion-resistant coating.
In order to increase the stability of the installation between the monitoring terminal body 10 and the installation frame 9, in this embodiment, preferably, the installation assemblies 11 are provided with four groups, and the four groups of installation assemblies 11 are respectively arranged around the installation frame 9 and the monitoring terminal body 10.
In order to facilitate installation of the second fastening bolt 112 and increase stability and sealing performance of installation, in this embodiment, it is preferable that a groove is formed in a lower surface of the installation block 111, an end portion of the second fastening bolt 112 is disposed in the groove 115, the groove 115 is a regular hexagonal groove 115, an end portion of the second fastening bolt 112 is a regular hexagonal structure, a rubber gasket 116 is disposed between the second nut 113 and the upper surface of the installation frame 9, and the rubber gasket 116 is sleeved on a circumference of the second fastening bolt 112.
In this embodiment, preferably, the tension sensor and the tilt angle sensor are respectively configured to measure a stress F and a tilt angle α of a tower, and the CPU processor is configured to obtain an optimized tilt angle θ of the tower according to the stress F and the tilt angle α; the wireless mesh communication module is used for transmitting the optimized inclination angle theta to the concentrator; the concentrator is used for packaging the received data to obtain an inclination signal; and the GPRS communication module is used for transmitting the inclination signal to a remote monitoring terminal.
In this embodiment, preferably, the data acquisition module obtains the magnitude of the displacement S according to the following formula:
wherein F represents the stress of the tower, L represents the length of the tower, E represents the elastic modulus, and I represents the inertia moment of the cross section of the material to the bending neutral axis;
obtaining the size of the beta according to the displacement S, wherein the size comprises the following formula:
obtaining an optimized inclination angle theta according to the inclination angle alpha and the inclination angle beta, wherein the optimized inclination angle theta comprises the following formula:
θ＝0.7*α+0.3*β。
in this embodiment, preferably, an operation formula of the temperature and the output current limit value in the power module is as follows:
I tr ＝I omr -((T mr -T n )*k)
in the above formula, Itr is the current limit controlled by temperature; imor is the maximum current limit value of rated output of the power supply module; tmr is a preset safe temperature threshold; tn is the current temperature sampling value of the module; k is a control coefficient of the feedback quantity and is determined according to actual system debugging.
In this embodiment, preferably, the time synchronization algorithm in the concentrator is as follows:
let T be (T1+ T2)/2, then T be T + (T2-T1)/2;
when T1< T, T ═ T + (T2-T1)/2;
when T1> T, T ═ T- (T2-T1)/2;
t1 is a time clock when the concentrator requests a command; t1 is a time clock for receiving the request command of concentrator; t2 is a time clock for sending time setting command to the concentrator; t2 is the transmission time length of the time setting command sent to the concentrator; and t is the concentrator time tick clock.
The principle and the advantages of the invention are as follows: according to the invention, the first fixing block 1, the second fixing block 2, the first clamping plate 3 and the second clamping plate 5 are arranged, the first connecting block 4 and the second connecting block 6 are fixedly connected by the first fastening bolt 7 and the first nut 8, and the first fixing block 1, the second fixing block 2, the first clamping plate 3 and the second clamping plate 5 are fixedly arranged at the outer side of the tower, so that the device is convenient to install and can be conveniently installed on towers with different diameters; through setting up installing frame 9 to install the below of installing frame 9 with monitor terminal body 10 through installation component 11, make things convenient for monitor terminal body 10 to carry out the slope monitoring to the pole tower, can carry out dustproof rain-proof protection to monitor terminal body 10 through installing frame 9, increase monitor terminal body 10's security, thereby improve monitor terminal body 10's life.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a lightweight distribution tower slope monitoring devices which characterized in that: the device comprises a first fixing block (1) and a second fixing block (2), wherein two groups of first clamping plates (3) are symmetrically welded on the surface of the first fixing block (1), two groups of first connecting blocks (4) are welded on the other ends of the first clamping plates (3), two groups of second clamping plates (5) are symmetrically welded on the surface of the second fixing block (2), a second connecting block (6) is welded on the other end of the second clamping plates (5), the first connecting block (4) and the second connecting block (6) are fixedly connected through a first fastening bolt (7), a first nut (8) is in threaded connection with the other end of the first fastening bolt (7), the first nut (8) is arranged on the outer side of the second connecting block (6), an installation frame (9) is welded on the outer surface of the second fixing block (2), and a monitoring terminal body (10) is arranged on the inner side of the installation frame (9), the outer side of the monitoring terminal body (10) is fixedly connected with the mounting frame (9) through a mounting component (11);
the mounting assembly (11) comprises a mounting block (111), a second fastening bolt (112), a second nut (113) and a through hole (114), the mounting block (111) is fixedly arranged on the outer surface of the monitoring terminal body (10), the second fastening bolt (112) is fixedly connected with the mounting block (111), the second nut (113) is arranged on the upper surface of the mounting frame (9), the through hole (114) is arranged on the upper surface of the mounting frame (9), and the second fastening bolt (112) penetrates through the through hole (114) and is in threaded connection with the second nut (113);
the monitoring terminal body (10) comprises a data acquisition module, a power supply module, a concentrator and a GPRS communication module, and the monitoring terminal body (10) is used for monitoring the operation parameters of the tower; the data acquisition module is used for acquiring data and comprises a tension sensor, an inclination sensor, a CPU (central processing unit) processor and a wireless mesh communication module; the power supply module is used for supplying power to the monitoring terminal body (10), and comprises a voltage stabilizing unit, a rectifying unit and a heat dissipation unit; the concentrator is used for reading terminal data at regular time, transmitting system commands, communicating data, managing networks, recording events and transversely transmitting data; the GPRS communication module is used for providing network communication for the monitoring terminal body (10) and transmitting data.
2. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the two groups of first clamping plates (3) and the two groups of second clamping plates (5) are distributed in a diamond structure.
3. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: a first gasket (12) is arranged between the end part of the first fastening bolt (7) and the first connecting block (4), a second gasket (13) is arranged between the first nut (8) and the second connecting block (6), and the first gasket (12) and the second gasket (13) are sleeved on the circumference of the first fastening bolt (7).
4. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the mounting frame (9) is arranged to be of a hollow structure with an opening at the lower end, and the outer surface of the mounting frame (9) is coated with a corrosion-resistant coating.
5. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the mounting assemblies (11) are arranged in four groups, and the four groups of mounting assemblies (11) are respectively arranged on the periphery of the mounting frame (9) and the monitoring terminal body (10).
6. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the lower surface of the mounting block (111) is provided with a groove (115), the end part of the second fastening bolt (112) is arranged in the groove (115), the groove (115) is arranged to be a regular hexagonal groove, the end part of the second fastening bolt (112) is arranged to be a regular hexagonal structure, a rubber sealing gasket (116) is arranged between the second nut (113) and the upper surface of the mounting frame (9), and the rubber sealing gasket (116) is sleeved on the circumference of the second fastening bolt (112).
7. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the tension sensor and the inclination angle sensor are respectively used for measuring the stress F and the inclination angle alpha of a tower, and the CPU is used for acquiring the optimized inclination angle theta of the tower according to the stress F and the inclination angle alpha; the wireless mesh communication module is used for transmitting the optimized inclination angle theta to the concentrator; the concentrator is used for packaging the received data to obtain an inclination signal; and the GPRS communication module is used for transmitting the inclination signal to a remote monitoring terminal.
8. The lightweight power distribution tower inclination monitoring device according to claim 7, characterized in that: the data acquisition module acquires the size of the displacement S according to the following formula:
wherein F represents the stress of the tower, L represents the length of the tower, E represents the elastic modulus, and I represents the inertia moment of the cross section of the material to the bending neutral axis;
obtaining the size of the beta according to the displacement S, wherein the size comprises the following formula:
obtaining an optimized inclination angle theta according to the inclination angle alpha and the inclination angle beta, wherein the optimized inclination angle theta comprises the following formula:
θ＝0.7*α+0.3*β。
9. the lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the operation formula of the temperature and the output current limit value in the power module is as follows:
I tr ＝I omr -((T mr -T n )*k)
in the above formula, I tr Current limit controlled by temperature; I.C. A mor The maximum current limit value is the rated output of the power supply module; t is mr Is a preset safe temperature threshold; t is a unit of n Sampling the current temperature of the module; k is a control coefficient of the feedback quantity and is determined according to actual system debugging.
10. The lightweight power distribution tower inclination monitoring device according to claim 1, characterized in that: the time synchronization algorithm in the concentrator is as follows:
let T be (T) 1 +T 2 ) And/2, then T is T + (T) 2 -t 1 )/2；
When t is 1 <When T, T is T + (T) 2 -t 1 )/2；
When t is 1 >When T, T is T- (T) 2 -t 1 )/2；
Wherein, t 1 Requesting a command time clock for the concentrator; t is 1 A time clock for receiving the time synchronization request command of the concentrator; t is 2 A time clock for sending a time setting command to the concentrator; t is t 2 Transmitting time length for sending time setting command to the concentrator; and t is the concentrator time tick clock.
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| CN214121155U (en) * | 2020-12-14 | 2021-09-03 | 国家电网有限公司 | High-voltage tower inclination monitoring system |
| CN216049827U (en) * | 2021-09-22 | 2022-03-15 | 四川嘉格照明工程有限公司 | Position detection device for lamp pole installation |
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| CN105226947A (en) * | 2015-10-28 | 2016-01-06 | 云南省计算机软件技术开发研究中心 | Digitlization DC/DC power module |
| CN108489461A (en) * | 2018-05-18 | 2018-09-04 | 云南电网有限责任公司电力科学研究院 | A kind of shared shaft tower tilts on-line monitoring system and method |
| CN112104433A (en) * | 2019-06-18 | 2020-12-18 | 国网江苏省电力有限公司常州供电分公司 | Concentrator accurate time synchronization method based on quadratic iteration algorithm |
| CN214121155U (en) * | 2020-12-14 | 2021-09-03 | 国家电网有限公司 | High-voltage tower inclination monitoring system |
| CN216049827U (en) * | 2021-09-22 | 2022-03-15 | 四川嘉格照明工程有限公司 | Position detection device for lamp pole installation |
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Application publication date: 20220916 |