CN212779193U - Transmission tower settlement on-line monitoring device based on inclination angle sensor - Google Patents
Transmission tower settlement on-line monitoring device based on inclination angle sensor Download PDFInfo
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- CN212779193U CN212779193U CN202021558856.8U CN202021558856U CN212779193U CN 212779193 U CN212779193 U CN 212779193U CN 202021558856 U CN202021558856 U CN 202021558856U CN 212779193 U CN212779193 U CN 212779193U
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Abstract
The utility model discloses a transmission tower subsides on-line monitoring device based on inclination sensor, including measuring unit and monitoring host computer, the monitoring host computer includes microprocessor, the external 4G communication module of microprocessor and loRa module, power module is microprocessor, 4G communication module and loRa module power supply, measuring unit is including setting up in tower leg A and tower leg B top cross arm be close to the wireless unipolar inclination sensor a of tower leg B department, set up in tower leg B and tower leg C top cross arm be close to the wireless unipolar inclination sensor B of tower leg C department and set up in the wireless unipolar inclination sensor C of tower leg C and tower leg D top cross arm near tower leg D department, wireless unipolar inclination sensor a, wireless unipolar inclination sensor B and wireless unipolar inclination sensor C carry out data transmission through loRa module and microprocessor respectively. The utility model discloses the realization is to pole tower footing settlement volume monitoring, timely, effectual warning staff shaft tower operational aspect.
Description
Technical Field
The utility model belongs to the technical field of transmission line on-line monitoring, concretely relates to transmission tower subsides on-line monitoring device based on inclination sensor.
Background
With the acceleration of power grid construction and the promotion of market economy, the damage of power transmission line tower settlement to the safe and normal operation of a power grid is larger and larger. The geological distribution of China is wide, the geological conditions are complex and various, and when a power transmission line passes through unfavorable geological areas such as a coal mining area, a soft soil area, a hilly land, a desert area, a riverbed area and the like, under the action of natural environment and external conditions, phenomena such as slippage, inclination, settlement, cracking and the like often occur on the basis of a pole tower, so that the deformation of the pole tower, the inclination of the pole tower and even the disconnection of the inverted tower are caused. The unbalanced stress of the tower grounding wire is caused by the inclination of the tower, so that the stress of the tower is changed, the electrical safety distance is not enough, the normal transportation of the line is influenced, the serious influence is brought to the normal production and life of people, and the huge economic loss is caused. .
The settlement of the foundation of the transmission tower is used as the main cause of disasters such as tower inclination, tower deformation and the like, once the disasters occur, the economic loss caused by the settlement is difficult to estimate, and therefore, the development of a set of online monitoring device for the settlement of the transmission tower based on the inclination angle sensor has very important significance for solving the problems.
At present, the conventional pole tower settlement measurement method is to monitor the settlement displacement of a pole tower by adopting a Beidou differential positioning technology, but is only suitable for areas with flat terrain. In some mountainous areas with steep terrain, due to the limitation of observation points, tower settlement measurement cannot be performed according to a conventional method, so that the existing tower settlement monitoring technology needs to be improved, the on-line monitoring of the settlement of the transmission tower is realized, the settlement value information of the tower is obtained, and the safe operation of a line is guaranteed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transmission tower subsides on-line monitoring device based on inclination sensor realizes subsiding volume monitoring, timely, effectual warning staff shaft tower operational aspect to shaft tower column foot.
The utility model discloses the technical scheme who adopts is, transmission tower subsides on-line monitoring device based on inclination sensor, a serial communication port, including a plurality of shaft tower settlement monitoring devices and a monitoring backstage, a plurality of shaft tower settlement monitoring devices all through 4G communication network with the monitoring backstage is connected.
The utility model is also characterized in that,
the concrete structure of the pole tower settlement monitoring device is as follows: comprises a measuring unit and a monitoring host, wherein the monitoring host comprises a microprocessor, the microprocessor is externally connected with a 4G communication module and an LoRa module, the 4G communication module and the LoRa module form a communication unit, a power supply module supplies power for the microprocessor, the 4G communication module and the LoRa module, the measuring unit comprises a wireless single-shaft tilt sensor a, wireless unipolar inclination sensor B and wireless unipolar inclination sensor C, wireless unipolar inclination sensor a, wireless unipolar inclination sensor B and wireless unipolar inclination sensor C carry out data transmission through loRa module and microprocessor respectively, wireless unipolar inclination sensor a sets up and is close to tower leg B department in tower leg A and tower leg B top cross arm, wireless unipolar inclination sensor B sets up and is close to tower leg C department in tower leg B and tower leg C top cross arm, wireless unipolar inclination sensor C sets up and is close to tower leg D department in tower leg C and tower leg D top cross arm.
Microprocessor adopts the STM32L433CBT6 interconnection type microcontroller based on ARM Cotex-M4 nuclear, power module includes that solar panel adds the battery, and wireless unipolar tilt angle sensor an, wireless unipolar tilt angle sensor b and wireless unipolar tilt angle sensor c structure are the same, all adopt the high accuracy tilt angle sensor chip based on 3D micro-electromechanical system.
The beneficial effects of the utility model are that, the utility model discloses a what transmission tower subsided among the on-line monitoring device based on inclination sensor adopted is based on micro-electro-mechanical systems (MEMS) high accuracy inclination sensor chip for measure the object for the gradient of horizontal plane, this inclination sensor has that resolution ratio is high, dynamic response is fast, small, characteristics such as with low costs and reliability height, still has good waterproof, dampproofing and dustproof ability. The utility model discloses a transmission tower subsides on-line monitoring device based on inclination sensor adopts the loRa communication mode to connect wireless unipolar inclination sensor and microprocessor, has the advantage that low-power consumption communication distance is easily far away to be built and is disposed. The utility model discloses a transmission tower subsides power module among the on-line monitoring device based on inclination sensor adopts solar energy and battery combination to use, has effectively solved because of the problem of power feed influence normal work. The utility model discloses an extra-high voltage tower settlement amount on-line monitoring system adaptable special topography and extreme weather do not receive natural environment and external condition's influence.
Drawings
Fig. 1 is a schematic structural diagram of the transmission tower settlement online monitoring device based on the tilt angle sensor of the present invention;
fig. 2 is a structure of a tower inclination monitoring device in the transmission tower settlement online monitoring device based on the tilt angle sensor of the present invention;
FIG. 3 is an installation schematic diagram of a monitoring device in the transmission tower settlement online monitoring device based on the tilt angle sensor of the present invention;
FIG. 4(a) is a model diagram of the sedimentation value of column leg B relative to column leg A;
FIG. 4(B) is a model diagram of the sedimentation value of column leg C relative to column leg B;
FIG. 4(C) is a model diagram of the sedimentation value of column leg D relative to column leg C.
In the figure, 1, enteromorpha is monitored, 2, a pole tower settlement amount monitoring device, 3, a measuring unit, 3-1, wireless inclination angle sensors a and 3-2, wireless inclination angle sensors b and 3-3, wireless inclination angle sensors c and 4, a monitoring host, 4-1, a microprocessor, 4-2.4G communication modules, 4-3 LoRa communication and 4-4 power modules are arranged.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model relates to a transmission tower subsides on-line monitoring device based on inclination sensor, the structure chart is as shown in FIG. 1, FIG. 2, FIG. 3, including a plurality of shaft tower settlement monitoring device 2 and a monitoring backstage 1, a plurality of shaft tower settlement monitoring device 2 all through 4G communication network with monitoring backstage 1 is connected.
The pole tower settlement monitoring device 2 has the specific structure that: the device comprises a measuring unit 3 and a monitoring host 4, wherein the monitoring host 4 comprises a microprocessor 4-1, the microprocessor 4-1 is externally connected with a 4G communication module 4-2 and a LoRa module 4-3, the 4G communication module 4-2 and the LoRa module 4-3 form a communication unit, the power supply module 4-4 supplies power for the microprocessor 4-1, the 4G communication module 4-2 and the LoRa module 4-3, the measuring unit 3 comprises a wireless single-shaft tilt sensor a3-1, a wireless single-shaft tilt sensor b3-2 and a wireless single-shaft tilt sensor c3-3, the wireless single-shaft tilt sensor a3-1, the wireless single-shaft tilt sensor b3-2 and the wireless single-shaft tilt sensor c3-3 respectively carry out data transmission with the microprocessor 4-1 through the LoRa module 4-3, the wireless single-axis tilt angle sensor a3-1 is arranged on a cross arm above the tower leg A and the tower leg B close to the tower leg B, the wireless single-axis tilt angle sensor B3-2 is arranged on a cross arm above the tower leg B and the tower leg C close to the tower leg C, and the wireless single-axis tilt angle sensor C3-3 is arranged on a cross arm above the tower leg C and the tower leg D close to the tower leg D.
The microprocessor 4-1 adopts an STM32L433CBT6 interconnection type microcontroller based on an ARM Cotex-M4 core, the power module 4-4 comprises a solar panel and a storage battery, the wireless single-shaft tilt angle sensor a3-1, the wireless single-shaft tilt angle sensor b3-2 and the wireless single-shaft tilt angle sensor c3-3 are identical in structure, high-precision tilt angle sensor chips based on a 3D micro-electro-mechanical system are adopted, and the models can be selected from Sca100 t-D01.
The utility model relates to a transmission tower subsides on-line monitoring device theory of operation based on inclination sensor as follows:
firstly, acquiring inclination values of a tower leg A and a tower leg B after uneven settlement by using a wireless single-shaft inclination sensor a3-1 arranged at a position, close to the tower leg B, of a cross arm above the tower leg A and the tower leg B; a wireless single-shaft inclination angle sensor B3-2 arranged on a cross arm above the tower leg B and the tower leg C and close to the tower leg C acquires inclination angle values of the tower leg B and the tower leg C after uneven settlement; a wireless single-axis inclination angle sensor C3-3 is arranged at a position, close to the tower leg D, of the cross arm above the tower leg C and the tower leg D to acquire inclination angle values of the tower leg C and the tower leg D after uneven settlement; then, calculating the settlement value of the transmission tower by using the acquired inclination angle values of the tower leg A and the tower leg B after the tower leg A and the tower leg B are subjected to the uneven settlement, the inclination angle values of the tower leg B and the tower leg C after the tower leg B and the tower leg C are subjected to the uneven settlement, the inclination angle values of the tower leg C and the tower leg D after the tower leg C and the tower leg D are subjected to the uneven settlement and a tower settlement calculation model integrated in the monitoring host machine 4; the method specifically comprises the following steps:
sending the obtained inclination angle values of the tower leg A and the tower leg B after the uneven settlement, the inclination angle values of the tower leg B and the tower leg C after the uneven settlement and the inclination angle values of the tower leg C and the tower leg D after the uneven settlement to a microprocessor 4-1 through a LoRa module 4-3; the monitoring host 4 calculates settlement values of the tower leg B, the tower leg C and the tower leg D relative to the tower leg A by using a tower settlement calculation model in the microprocessor 4-1 according to the acquired inclination values of the tower leg A and the tower leg B after uneven settlement, the inclination values of the tower leg B and the tower leg C after uneven settlement and the inclination values of the tower leg C and the tower leg D after uneven settlement. The tower settlement calculation model is as follows:
the settling value of tower leg A is 0;
leg B settling value L1 tan (fabs (θ)1-))；
Leg C settling value L2 tan (fabs (θ)2) + the column leg B sedimentation value;
leg D sedimentation value L1 tan (fabs (θ)3) + the column leg C sedimentation value;
wherein L1 is the distance between tower leg A and the crosspiece above tower leg B, and L2 is the distance between tower leg B and the crosspiece above tower leg C; theta1The angle generated after the tower legs AB are relatively settled is measured by a wireless single-shaft inclination angle sensor a 3-1; theta2The angle generated after the tower legs BC are relatively settled is measured by a wireless single-shaft inclination angle sensor b 3-2; theta3Is the angle produced after relative settlement between the tower legs CD measured by the wireless single axis tilt sensor a 3-3.
And finally, transmitting the settlement values of the tower leg B, the tower leg C and the tower leg D of the transmission tower relative to the tower leg A, which are obtained through calculation, to a monitoring background 1 through a 4G communication module 4-2, and determining whether to correct the transmission tower in operation by a worker according to the settlement values of the tower legs of the monitoring center.
The utility model discloses transmission tower subsides the function of each part as follows in the on-line monitoring device based on inclination sensor:
the monitoring background 1 mainly completes data gathering sent by each state monitoring device on site through the 4G communication module 4-2, and centralization of scattered data is achieved.
The pole tower settlement monitoring device 2 is mainly used for acquiring the inclination angle values of the tower legs A and B after uneven settlement by using the wireless single-shaft inclination angle sensors a arranged at the positions, close to the step feet B, of the cross arms above the tower legs A and B; a wireless single-shaft inclination angle sensor B is arranged on a cross arm above the tower leg B and the tower leg C and close to the tower leg C, and an inclination angle value of the tower leg B and the tower leg C after uneven settlement is obtained; and wireless single-shaft inclination angle sensors C are arranged on cross arms above the tower legs C and D and close to the tower legs D, inclination angle values of the tower legs C and D after uneven settlement are obtained, and settlement values of the tower are calculated by combining a tower settlement calculation model.
A monitoring host 4 of the online monitoring device for the settlement of the transmission tower based on the tilt angle sensor supplies power by adopting a power supply module 4-4, the power supply module 4-4 adopts a power supply mode of combining solar energy and a storage battery, when the sunlight is sufficient, a solar battery can generate enough electric energy, and the redundant electric energy is used for charging the storage battery through a controller except for supplying power to the whole system; when the electric energy generated by the solar cell is insufficient for the system to use at night or in cloudy days, the storage battery supplies power to the system, and the whole process is automatically completed by the controller.
The LoRa communication 4-3 mainly transmits monitoring data of the wireless single-axis inclination angle sensor a3-1, the wireless single-axis inclination angle sensor b3-2 and the wireless single-axis inclination angle sensor c3-3 in the measuring unit 3 to the microprocessor 4-1 in the monitoring host 4, and calculation is carried out through a tower settlement calculation model in the microprocessor 4-1.
As shown in fig. 4(a) - (C), the utility model discloses a transmission tower subsides on-line monitoring device based on inclination sensor has adopted 3 wireless unipolar inclination sensor, installs respectively in the position department that is close to tower leg B, tower leg C and tower leg D on first section cross arm, after the shaft tower takes place inhomogeneous the subsidence, takes place relative displacement between the adjacent tower leg, has produced inclination theta after tower leg B subsides relative tower leg A1The tower leg C is settled relative to the tower leg B to form an inclination angle theta2The tower leg C is settled relative to the tower leg D to form an inclination angle theta3The tilt sensor measures tilt data theta1、θ2、θ3Data are transmitted to the monitoring host through LoRa wireless communication, a microprocessor in the monitoring host calculates settlement values of the tower leg B, the tower leg C and the tower leg D relative to the tower leg A according to the tower settlement model to obtain the settlement condition of the tower outlet, and the complete monitoring of the transmission tower settlement is realized.
Claims (2)
1. Transmission tower settlement on-line monitoring device based on inclination sensor, its characterized in that, including a plurality of shaft tower settlement monitoring devices (2) and a monitoring backstage (1), a plurality of shaft tower settlement monitoring devices (2) all through 4G communication network with monitoring backstage (1) are connected, shaft tower settlement monitoring device (2) concrete structure does: including measuring element (3) and monitoring host computer (4), monitoring host computer (4) include microprocessor (4-1), microprocessor (4-1) is external to have 4G communication module (4-2) and LoRa module (4-3), 4G communication module (4-2) and LoRa module (4-3) constitute communication unit, power module (4-4) are microprocessor (4-1), 4G communication module (4-2) and LoRa module (4-3) power supply, measuring element (3) include wireless unipolar inclination sensor a (3-1), wireless unipolar inclination sensor b (3-2) and wireless unipolar inclination sensor c (3-3), wireless unipolar inclination sensor a (3-1), wireless unipolar inclination sensor b (3-2) and wireless unipolar inclination sensor c (3-3) are respectively through LoRa module (4-3) ) And data transmission is carried out between the wireless single-shaft inclination angle sensor and the microprocessor (4-1), a wireless single-shaft inclination angle sensor a (3-1) is arranged at a position, close to a tower leg B, of a cross arm above the tower leg A and the tower leg B, a wireless single-shaft inclination angle sensor B (3-2) is arranged at a position, close to a tower leg C, of a cross arm above the tower leg B and the tower leg C, and a wireless single-shaft inclination angle sensor C (3-3) is arranged at a position, close to a tower leg D, of a cross arm above the tower leg C.
2. The device for monitoring the settlement of the transmission tower on line based on the tilt angle sensor as claimed in claim 1, wherein the microprocessor (4-1) adopts an ARM Cotex-M4 core-based STM32L433CBT6 interconnection type microcontroller, the power module (4-4) comprises a solar panel and a storage battery, and the wireless single-shaft tilt angle sensor a (3-1), the wireless single-shaft tilt angle sensor b (3-2) and the wireless single-shaft tilt angle sensor c (3-3) have the same structure and adopt a 3D micro electro mechanical system-based high-precision tilt angle sensor chip.
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| CN202021558856.8U CN212779193U (en) | 2020-07-30 | 2020-07-30 | Transmission tower settlement on-line monitoring device based on inclination angle sensor |
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| CN202021558856.8U CN212779193U (en) | 2020-07-30 | 2020-07-30 | Transmission tower settlement on-line monitoring device based on inclination angle sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164831A (en) * | 2022-06-16 | 2022-10-11 | 国网新疆电力有限公司电力科学研究院 | Transmission tower settlement monitoring device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164831A (en) * | 2022-06-16 | 2022-10-11 | 国网新疆电力有限公司电力科学研究院 | Transmission tower settlement monitoring device and method |
| WO2023241743A3 (en) * | 2022-06-16 | 2024-02-15 | 国网新疆电力有限公司电力科学研究院 | Power transmission tower settlement monitoring apparatus and method |
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