CN212409691U - Online three-dimensional tower inclination angle and torsion angle monitoring system - Google Patents
Online three-dimensional tower inclination angle and torsion angle monitoring system Download PDFInfo
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- CN212409691U CN212409691U CN202021616657.8U CN202021616657U CN212409691U CN 212409691 U CN212409691 U CN 212409691U CN 202021616657 U CN202021616657 U CN 202021616657U CN 212409691 U CN212409691 U CN 212409691U
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Abstract
The utility model discloses an online three-dimensional tower inclination and torsion monitoring system, which comprises an inclination and torsion measurement transmission unit, a signal receiving and transmitting unit, a remote data transmission unit and a data processing and service unit, wherein the inclination and torsion measurement transmission unit is arranged on a transmission tower; the inclination angle and torsion angle measurement transmission unit is in wireless communication connection with the signal transceiving unit, and the signal transceiving unit is in wireless communication connection with the remote data transmission unit; the remote data transmission unit is connected to the data processing and service unit. The utility model discloses install three inclination and turn round angle measurement and data transmission unit on the shaft tower, carry out real-time supervision to the shaft tower gesture, not only can monitor the inclination and the angle of torsion of shaft tower, can also judge the reason that the shaft tower inclination produced according to each sensor data, provide the foundation for the state maintenance that realizes the shaft tower, effectively ensure the safety and stability operation of electric wire netting.
Description
Technical Field
The utility model relates to an online three-dimensional shaft tower inclination and torsional angle monitoring system belongs to shaft tower inclination and torsional angle monitoring technology field.
Background
The tower is an important component of the power transmission line, the stability of the tower is related to the safe operation of the power grid, but due to the change of the tension of the power transmission line, the foundation sinking and the like, when the bearing capacity of the tower is exceeded, the tower can incline or even collapse, and huge potential safety hazards are brought to the operation of the power grid.
The current pole tower slope adopts two-dimensional slope sensor to monitor the shaft tower state, owing to lack necessary monitoring parameter, is difficult to carry out effective analysis to the reason that the shaft tower slope produced, can not effectively distinguish promptly that the shaft tower tilting is because the shaft tower slope causes or is because transmission line pulling force changes and arouses.
Particularly, in mountain areas in high-altitude areas, the tension of the power transmission line is inevitably changed greatly when ice is coated seriously, and the inclination of the tower is inevitably caused when the tension of two sides of the tower is inconsistent. Meanwhile, the topographic structure of the high-altitude mountain area is complex, the possibility of settlement of the tower foundation is high, and if the reason of the inclination of the tower can be identified in time, prevention is made in advance, so that the method has important significance for ensuring the safe operation of a power grid. Meanwhile, due to the complex topographic structure of the high-altitude mountain area, the transmission lines on the two sides of the tower are probably not on the same straight line, the tower is likely to twist under the action of long-time tension of the transmission lines, the twisting angle needs to be monitored for ensuring the safety of the transmission lines, and the existing tower inclination monitoring device cannot be realized.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides an online three-dimensional shaft tower inclination and torsional angle monitoring system to solve the problem that present shaft tower slope monitoring devices and methods can not monitor shaft tower torsional angle and can not judge the problem that the reason of shaft tower slope is judged.
The utility model discloses the technical scheme who takes does: an online three-dimensional tower inclination angle and torsion angle monitoring system comprises an inclination angle and torsion angle measurement transmission unit, a signal transceiving unit, a remote data transmission unit and a data processing and service unit, wherein the inclination angle and torsion angle measurement transmission unit is arranged on a transmission tower; the inclination angle and torsion angle measurement transmission unit is in wireless communication connection with the signal transceiving unit, and the signal transceiving unit is in wireless communication connection with the remote data transmission unit; the remote data transmission unit is connected to the data processing and service unit.
Preferably, the signal transmitting/receiving means is connected to a solar power generation and storage means.
Preferably, the three inclination angle and torsion angle measuring and transmitting units are respectively arranged at the top of the tower, the cross section of the power transmission line closest to the tower leg and the first cross section above the tower leg.
Preferably, the inclination angle and torsion angle measurement and transmission unit comprises an inclination angle sensor, a direction sensor, a sensor data acquisition and processing module, a sensor data transmission module and a solar power supply module, wherein the inclination angle sensor and the direction sensor are electrically connected to the sensor data acquisition and processing module, the sensor data acquisition and processing module is connected with the sensor data transmission module and the solar power supply module, and the sensor data transmission module is connected to the signal transceiving unit.
Preferably, the sensor data transmission module is an LoRa module, a WiFi module, a radio frequency module, a bluetooth module, a GPRS module, a 4G module, or a 5G module.
Preferably, the tilt sensor is an acceleration sensor, a gyroscope, or a liquid pendulum tilt sensor.
Preferably, the inclination angle and torsion angle measurement transmission unit is fixedly connected to the transmission tower through bolts.
The utility model has the advantages that: compared with the prior art, the utility model discloses install three inclination and torsion angle measurement and data transmission unit on the shaft tower, carry out real-time supervision to the shaft tower gesture, not only can monitor the inclination and the torsion angle of shaft tower, can also judge the reason that the shaft tower inclination produced according to each sensor data, overhaul for the state that realizes the shaft tower and provide the basis, effectively ensure the safety and stability operation of electric wire netting, effectively solved present shaft tower slope monitoring devices and method can not monitor the problem that the shaft tower torsion angle and can not judge the problem that shaft tower slope reason carries out the judgement.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of a transmission unit for measuring a tilt angle and a twist angle;
FIG. 3 is a Cartesian coordinate system diagram;
fig. 4 is a schematic view of a twist angle measurement.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1: as shown in fig. 1-2, an online three-dimensional tower inclination angle and torsion angle monitoring system includes an inclination angle and torsion angle measurement transmission unit 2, a signal transceiving unit 3, a remote data transmission unit 5 and a data processing and service unit 6, wherein the inclination angle and torsion angle measurement transmission unit 2 is fixedly connected to a power transmission tower 1 through bolts, and under any condition, the inclination angle and torsion angle measurement transmission unit 2 and a fixed point are ensured to be relatively static, the inclination angle and torsion angle measurement transmission unit 2 is in wireless communication connection with the signal transceiving unit 3, and the signal transceiving unit 3 is in wireless communication connection with the remote data transmission unit 5; the remote data transmission unit 5 is connected to a data processing and service unit 6.
The tower inclination angle signal and the torsion angle signal collected by the inclination angle and torsion angle measurement transmission unit 2 are transmitted to the signal transceiving unit 3 through wireless signals, the signal transceiving unit 3 sends data to the remote data transmission unit 5, and the solar power generation and storage unit 4 provides electric energy for the signal transceiving unit 3;
the remote data transmission unit 5 transmits the inclination angle and torsion angle measurement data to the data processing and service unit 6, and the data processing and service unit 6 analyzes and processes the data after receiving the data, judges the posture of the transmission tower 1 and provides data query, display and alarm functions.
Preferably, the signal transceiver unit 3 is connected to a solar power generation and storage unit 4.
Preferably, the three inclination angle and torsion angle measurement transmission units 2 are respectively arranged at the top of the tower, the cross section of the power transmission line closest to the tower leg and the first cross section above the tower leg; the dip angle and twist angle measurement transmission unit 2 comprises a dip angle sensor 10, a direction sensor 11, a sensor data acquisition and processing module 12, a sensor data transmission module 13 and a solar power supply module 14, wherein the dip angle sensor 10 and the direction sensor 11 are electrically connected to the sensor data acquisition and processing module 12, the sensor data acquisition and processing module 12 is connected with the sensor data transmission module 13 and the solar power supply module 14, the solar power supply module 14 provides electric energy for the sensor data acquisition and processing module 12, and the sensor data transmission module 13 is connected to the signal transceiving unit 3; the sensor data transmission module 13 adopts a LoRa module, a WiFi module, a radio frequency module, a bluetooth module, a GPRS module, a 4G module or a 5G module.
The data collecting and processing module 12 collects and processes tower attitude data sensed by the tilt angle sensor 10 and the direction sensor 11, and transmits the data to the sensor data transmission module 13, and after receiving the tower attitude data, the sensor data transmission module 13 transmits the data to the signal transceiving unit 3 in a wireless manner.
Preferably, the tilt sensor 10 is an acceleration sensor, a gyroscope, or a liquid pendulum tilt sensor.
Example 2: a monitoring method of an online three-dimensional tower inclination angle and torsion angle monitoring system comprises the following steps:
step (1), as shown in fig. 3, establishing a three-dimensional cartesian coordinate system (X, Y, Z), wherein XOY of the three-dimensional cartesian coordinate system (X, Y, Z) is parallel to a ground plane, when a tower is not inclined, a reference plane of an inclination sensor (10) coincides with XOY, OA is a normal vector of the reference plane of the inclination sensor (10), OA ' is a projection of OA on the plane XOZ, OA ' is a projection of OA on the plane YOZ, OX is an inline direction, OY is a vertical conductor direction, an inline inclination angle β is ═ a "OX, a transverse inclination angle δ is ═ a ' OZ, a comprehensive inclination angle is ═ XOA, as shown in fig. 4, OB is a sensor reference plane inline direction vector, and a torsion angle α is ═ XOB;
step (2), the tower down-line inclination angle beta measured by the three inclination angle sensors 10 is obtained1、β2、β3Transverse inclination angle delta1、δ2、δ3Subscripts 1, 2, and 3 indicate the number of the tilt sensor 10, subscript 1 indicates that the tilt sensor 10 is located at the top of the tower, subscript 2 indicates that the tilt sensor 10 is located at the cross section of the power transmission line closest to the tower leg, and subscript 3 indicates that the tilt sensor 10 is located at the first cross section above the tower leg;
step (3) of calculating a comprehensive inclination angle phi1、φ2、φ3：
Step (ii) of(4) Obtaining the torsion angles alpha measured by the three direction sensors 111、α2、α3Subscripts 1, 2, 3 indicate the number of the direction sensor 11, subscript 1 indicates that the direction sensor 11 is located at the top of the tower, subscript 2 indicates that the direction sensor 11 is located at the cross section of the transmission line closest to the tower leg, and subscript 3 indicates that the direction sensor 11 is located at the first cross section above the tower leg.
And (5) when the formula (4) is established, the tower inclines:
φ1＞f(l) (4)
wherein l is the total height of the tower, and f (l) represents the tower inclination angle allowable values corresponding to different tower heights and types;
and (6) when the formulas (4) and (5) are established, the tower is shown to incline due to the foundation sinking:
and (7) when the formulas (4) and (6) are established, the tower tilts due to the change of the tension of the power transmission line:
in the formula I3The distance between the first cross section above the tower legs and the upper surface of the tower foundation is shown, k is the stiffness coefficient of the tower, and f (l, l)3And k) representing the allowable deviation value between different sensors of the tower;
and (8) when the formula (7) is established, the tower is twisted:
the utility model discloses install three inclination and turn round angle measurement transmission unit on the shaft tower, carry out real-time supervision to the shaft tower gesture, through the analysis to a plurality of sensor data, realize the inclination to the shaft tower and the real-time supervision of turning round the angle, simultaneously, carry out the multi-parameter fusion analysis to sensor data, draw the parameter information that the shaft tower basis sinks and transmission line pulling force changes, realize the judgement to the shaft tower slope reason, it is significant to judge in advance for the state that realizes the shaft tower, can effectively ensure the safety and stability operation of electric wire netting.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention, therefore, the protection scope of the present invention should be subject to the protection scope of the claims.
Claims (7)
1. The utility model provides an online three-dimensional shaft tower inclination and torsional angle monitoring system which characterized in that: the device comprises an inclination angle and torsion angle measurement transmission unit (2), a signal transceiving unit (3), a remote data transmission unit (5) and a data processing and service unit (6), wherein the inclination angle and torsion angle measurement transmission unit (2) is arranged on a transmission tower (1); the inclination angle and torsion angle measurement transmission unit (2) is in wireless communication connection with the signal transceiving unit (3), and the signal transceiving unit (3) is in wireless communication connection with the remote data transmission unit (5); the remote data transmission unit (5) is connected to the data processing and service unit (6).
2. The system of claim 1, wherein the system comprises: the signal transceiving unit (3) is connected with a solar power generation and storage unit (4).
3. The system of claim 1, wherein the system comprises: the three dip angle torsion angle measurement transmission units (2) are respectively arranged at the top of the tower, the cross section of the power transmission line closest to the tower leg and the first cross section above the tower leg.
4. The system for monitoring the inclination angle and the torsion angle of the on-line three-dimensional tower as claimed in claim 1 or 3, wherein: the dip angle and torsion measurement transmission unit (2) comprises a dip angle sensor (10), a direction sensor (11), a sensor data acquisition and processing module (12), a sensor data transmission module (13), a solar power supply module (14), the dip angle sensor (10), the direction sensor (11) is electrically connected to the sensor data acquisition and processing module (12), the sensor data acquisition and processing module (12) is connected with the sensor data transmission module (13) and the solar power supply module (14), and the sensor data transmission module (13) is connected to the signal receiving and transmitting unit (3).
5. The system of claim 4, wherein the system comprises: the sensor data transmission module (13) adopts a LoRa module, a WiFi module, a radio frequency module, a Bluetooth module, a GPRS module, a 4G module or a 5G module.
6. The system of claim 1, wherein the system comprises: the tilt sensor (10) adopts an acceleration sensor, a gyroscope or a liquid pendulum tilt sensor.
7. The system of claim 1, wherein the system comprises: the inclination angle and torsion angle measurement transmission unit (2) is fixedly connected to the tower through bolts.
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| CN202021616657.8U CN212409691U (en) | 2020-08-06 | 2020-08-06 | Online three-dimensional tower inclination angle and torsion angle monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485786A (en) * | 2022-01-10 | 2022-05-13 | 国网甘肃省电力公司 | Automatic monitoring system for state of transmission tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114485786A (en) * | 2022-01-10 | 2022-05-13 | 国网甘肃省电力公司 | Automatic monitoring system for state of transmission tower |
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