CN106658542B - Communication tower stability detection method and system based on stress model - Google Patents
Communication tower stability detection method and system based on stress model Download PDFInfo
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Abstract
The invention discloses a communication iron tower stability detection method and system based on a stress model. The system comprises a stress point identification module, a maximum bearable pressure value setting module, a stress point pressure data timing acquisition module, a stress point pressure data extraction and calculation horizontal and vertical stress module, a stability problem primary detection module and a stability problem judgment module. The stress point identification and setting module for the maximum pressure value and the stress point data timing acquisition module are used for identifying and acquiring pressure data of the stress point of the iron tower and setting parameters; the module for extracting pressure data of the stress point and calculating horizontal and vertical stresses carries out stress decomposition and summation on the pressure data to obtain stresses in the horizontal and vertical directions; the primary stability problem detection module and the iron tower stability problem judgment module are used for performing two-stage judgment on whether the iron tower has stability problems. The method and the system solve the technical problem that the structural stability of the communication iron tower is difficult to accurately detect manually.
Description
Technical Field
The invention belongs to the technical field of communication tower maintenance, and particularly relates to a communication tower stability detection method and system based on a stress model.
Background
At present, the communication iron tower is manually detected and maintained. This method has two disadvantages, one is that the stress point affecting the stability of the communication iron tower can not be accurately identified, and the accurate stress condition of each part of the iron tower can not be obtained, so that it can not be accurately judged whether the stability of the iron tower is existed or not. In order to solve the problems, a communication iron tower stability detection method and system based on a stress model are provided.
Disclosure of Invention
The invention aims to solve the technical problem that the structural stability of a communication iron tower is difficult to accurately detect manually, and provides a method and a system for detecting the stability of the communication iron tower based on a stress model.
The invention relates to an iron tower system application scene based on the Internet of things, which is shown in figure 1. Sensor equipment is installed at a fixed position of a communication iron tower, the sensor collects relevant parameters of the iron tower and sends the relevant parameters to a system database through a communication module, the system stores and processes the sensing data, and a client interacts with the system to obtain required information.
The overall system architecture of the iron tower system based on the internet of things is shown in fig. 2. The system hardware part comprises a communication iron tower and sensing equipment arranged on the tower body, and a communication module of the sensing equipment is communicated with the system in real time; the system software part comprises a system database, a data processing platform and a data management publishing platform, wherein the system database receives sensing data from the sensing equipment and stores all system logs, the data processing platform calls the data in the system database for processing and analysis, and the data management publishing platform receives data processing results of the data processing platform and corresponding records in the system database for management and publishing; the system application platform comprises management equipment and clients, wherein the management equipment comprises but is not limited to facilities such as workstations and computers, and the clients comprise but are not limited to forms of APP, WeChat, Html webpage and the like; the application personnel of the system include, but are not limited to, management personnel and maintenance personnel, and the interfaces of the system are management equipment and a client side respectively.
The implementation of the invention depends on the application scene and the system architecture, the pressure sensor is arranged on the communication iron tower to detect and acquire pressure data, and the stability of the communication iron tower is detected and judged through data analysis.
The communication iron tower stability detection system based on the stress model comprises a stress point identification module, a maximum bearable pressure value setting module, a stress point pressure data timing acquisition module, a stress point pressure data extraction module, a horizontal and vertical stress calculation module, a stability problem primary detection module and a stability problem judgment module.
1. The module for recognizing stress points and setting the maximum bearable pressure value comprises: establishing an iron tower stress model according to the structure of the communication iron tower, and identifying the positions and the number of stress points influencing the structural stability of the iron tower according to stress analysis, wherein the number of the stress points is marked as G; setting the maximum bearable pressure value of each stress point, and recording the maximum bearable pressure value as M1～MG(ii) a And setting the maximum bearable stress value H in the horizontal direction and the maximum bearable stress value V in the vertical direction of the whole iron tower.
2. The module for regularly acquiring stress point pressure data: and a pressure sensor on the communication iron tower detects pressure data of G stress points of the iron tower at regular time and sends the data to a system database for storage.
3. And a module for extracting stress point pressure data and calculating horizontal and vertical stress: extracting the latest pressure data of G stress points, and recording the pressure data as p1～pG. The system extracts pressure data p1～pGAnd (4) carrying out stress decomposition and summation according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the stress x in the horizontal direction and the stress y in the vertical direction at the moment.
4. Stability problem primary detection module: the system compares the pressure data of each stress point with the maximum bearable pressure value. The parameter i takes the value from 1 to G, if p occursi>MiEntering a module for judging whether the stability problem exists in the iron tower or not; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress.
5. Whether the iron tower has a stability problem module is judged: comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, judging that the iron tower has the stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and if y is greater than V, judging that the iron tower has the stability problem; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress.
Fig. 3 shows a block diagram of a system for detecting stability of a communication tower based on a stress model.
The communication iron tower stability detection method based on the stress model is realized by the following steps:
Establishing an iron tower stress model according to the structure of the communication iron tower, and identifying the positions and the number of stress points influencing the structural stability of the iron tower according to stress analysis, wherein the number is marked as G; setting the maximum bearable pressure value of each stress point, and recording the maximum bearable pressure value as M1～MG(ii) a And setting the maximum bearable stress value H in the horizontal direction and the maximum bearable stress value V in the vertical direction of the whole iron tower.
And 2, collecting pressure data of the stress point and calculating horizontal and vertical stress.
A pressure sensor on the iron tower detects pressure data of a stress point of the iron tower at regular time and sends the data to a system database for storage; extracting the latest pressure data of G stress points, and recording the pressure data as p1～pG. Extracting pressure data p1～pGAnd (4) carrying out stress decomposition according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the stress x in the horizontal direction and the stress y in the vertical direction at the moment.
And 3, carrying out primary detection on the stability problem.
And comparing the pressure data of each stress point with the maximum bearable pressure value. i takes on the value from 1 to G, if p is presenti>MiEntering step 4; otherwise, judging that the stability problem does not exist, and returning to the step 2.
And 4, judging whether the iron tower has a stability problem or not.
Comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, judging that the iron tower has the stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and if y is greater than V, judging that the iron tower has the stability problem; otherwise, judging that the stability problem does not exist, and returning to the step 2.
A method flowchart of a communication tower stability detection method based on a stress model is shown in fig. 4.
The method and the system have the following two advantages:
(1) the pressure data of the stress point is subjected to two-stage analysis so as to judge the stability of the iron tower, and the obtained detection result of the structural stability of the iron tower is more reliable.
(2) The stress of the iron tower is decomposed by the two-dimensional coordinate stress, so that the complex stress of the iron tower is simplified, and the application difficulty of the system is reduced.
Drawings
FIG. 1 is a schematic diagram of an application scenario of the present invention;
FIG. 2 is an overall system architecture diagram of an application scenario of the present invention;
FIG. 3 is a system block diagram of the present invention;
FIG. 4 is a flow chart of a method of the present invention;
fig. 5 is a schematic diagram of the analysis of a stress model of an iron tower.
Detailed Description
The following describes in detail preferred embodiments of the present invention.
The invention relates to an iron tower system application scene based on the Internet of things, which is shown in figure 1. Sensor equipment is installed at a fixed position of a communication iron tower, the sensor collects relevant parameters of the iron tower and sends the relevant parameters to a system database through a communication module, the system stores and processes the sensing data, and a client interacts with the system to obtain required information.
The overall system architecture of the iron tower system based on the internet of things is shown in fig. 2. The system hardware part comprises a communication iron tower and sensing equipment arranged on the tower body, and a communication module of the sensing equipment is communicated with the system in real time; the system software part comprises a system database, a data processing platform and a data management publishing platform, wherein the system database receives sensing data from the sensing equipment and stores all system logs, the data processing platform calls the data in the system database for processing and analysis, and the data management publishing platform receives data processing results of the data processing platform and corresponding records in the system database for management and publishing; the system application platform comprises management equipment and clients, wherein the management equipment comprises but is not limited to facilities such as workstations and computers, and the clients comprise but are not limited to forms of APP, WeChat, Html webpage and the like; the application personnel of the system include, but are not limited to, management personnel and maintenance personnel, and the interfaces of the system are management equipment and a client side respectively.
The implementation of the invention depends on the application scene and the system architecture, the pressure sensor is arranged at the appointed position of the communication iron tower to detect and collect pressure data, and the detection and judgment of the stability of the communication iron tower are realized through data analysis. The embodiment of the method and the system of the invention is as follows:
the communication iron tower stability detection system based on the stress model comprises a stress point identification module, a maximum bearable pressure value setting module, a stress point pressure data timing acquisition module, a stress point pressure data extraction module, a horizontal and vertical stress calculation module, a stability problem primary detection module and a stability problem judgment module.
1. The module for recognizing stress points and setting the maximum bearable pressure value comprises: root of herbaceous plantAccording to the differences and the structures of different iron towers, a stress model is established and stress analysis is carried out, the positions and the number of stress points influencing the structural stability of the iron towers are identified, the number is marked as G (G is 3 in the embodiment), as shown in figure 5, the stress point 1, the stress point 2 and the stress point 3 are respectively positioned at an antenna connecting part, a tower body connecting part and a tower foundation, the angle of each stress direction of each stress point is 45 degrees, and the maximum bearable pressure value of each stress point in each stress direction is respectively set as M1＝5KN，M2＝3KN，M32KN, KN representing a force of 1000 newtons; the maximum bearable stress value H in the horizontal direction of the whole iron tower is 1KN, and the maximum bearable stress value V in the vertical direction is 2 KN.
2. The module for regularly acquiring stress point pressure data: and a pressure sensor on the communication iron tower detects pressure data of G stress points of the iron tower at regular time and sends the data to a system database for storage. In this embodiment, a sampling interval T is set to 1s, and the pressure sensor regularly detects pressure data of 3 stress points of the iron tower according to the sampling interval, and sends the data to the system database for storage.
3. And a module for extracting stress point pressure data and calculating horizontal and vertical stress: extracting the latest pressure data of 3 stress points, and recording the latest pressure data as p1、p2、p3，p1The stress on the upper left stress direction and the upper right stress direction is 3KN, the stress on the lower left stress direction and the lower right stress direction is 7.5KN, p2The stress in the left and right stress directions is respectively 3KN and 3.5KN, p3The stress in the left stress direction and the right stress direction is respectively 2.5KN and 3 KN. Extracting pressure data p1～p3And (3) decomposing and summing the forces in the horizontal and vertical directions of the two-dimensional coordinate axes to obtain the horizontal force x and the vertical force y at the moment, wherein x is equal to (3-3.5+2.5-3) sin45 degrees (horizontal right) 0.707KN, and y is equal to (3+3+3+3.5+2.5+3-7.5-7.5) sin45 degrees (vertical downward) 2.31 KN. Wherein all force directions are based on a plan view as shown in fig. 5.
4. Stability problem primary detection module: and comparing the pressure data of each stress point with the maximum bearable pressure value. The parameter i takes the value from 1 to G, if p occursi>MiEntering a module for judging whether the stability problem exists in the iron tower or not; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress. In this example, p1The stress in two stress directions of 45 degrees at the left lower part and the right lower part is 7.5KN>M15KN, so get into and judge whether there is stability problem module in iron tower.
5. Whether the iron tower has a stability problem module is judged: comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, judging that the iron tower has the stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and if y is greater than V, judging that the iron tower has the stability problem; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress. In this embodiment, the horizontal force x is 0.707KN, and the horizontal maximum bearable force value H is 1KN, the vertical force y is compared with the vertical maximum bearable force value V, and at this time, the vertical force y is 2.31KN, and the vertical maximum bearable force value V is 2KN, so the system determines that the iron tower has the stability problem at this time.
The communication iron tower stability detection method based on the stress model comprises the following steps:
According to the differences and the structures of different iron towers, a stress model is established and stress analysis is carried out, the positions and the number of stress points influencing the structural stability of the iron tower are identified, the number is marked as G (G is 3 in the embodiment), and then the maximum bearable pressure value of the stress points in each stress direction is set; and setting the maximum bearable stress value H in the horizontal direction and the maximum bearable stress value V in the vertical direction of the whole iron tower. In this embodiment, as shown in fig. 5, the force-bearing point 1, the force-bearing point 2, and the force-bearing point 3 are respectively an antenna connection portion, a tower body connection portion, and a tower foundation, and each force-bearing direction angle of each force-bearing point is 45 °, and the maximum bearable pressure values of the 3 force-bearing points in each force-bearing direction are respectively set to M1＝5KN，M2＝3KN，M32KN, KN representing a force of 1000 newtons; the maximum bearable stress value H in the horizontal direction of the whole iron tower is 1KN, and the maximum bearable stress value V in the vertical direction is 2 KN.
And 2, collecting pressure data of the stress point and calculating horizontal stress and vertical stress.
A pressure sensor on the iron tower detects pressure data of a stress point of the iron tower at regular time and sends the data to a system database for storage; extracting the latest pressure data of G stress points and recording the latest pressure data as p1～pG. Extracting pressure data p1～pGAnd (4) carrying out stress decomposition and summation according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the horizontal stress x and the vertical stress y at the moment. In the embodiment, the system extracts the latest pressure data of 3 stress points and records the latest pressure data as p1、p2、p3，p1The stress on the upper left stress direction and the upper right stress direction is 3KN, the stress on the lower left stress direction and the lower right stress direction is 7.5KN, p2The stress in the left and right stress directions is respectively 3KN and 3.5KN, p3The stress in the left stress direction and the right stress direction is respectively 2.5KN and 3 KN. P is to be1～p3And (3) performing stress decomposition according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the horizontal stress x and the vertical stress y at the moment, wherein x is equal to (3-3.5+2.5-3) sin45 degree (horizontal right) 0.707KN, and y is equal to (3+3+3+3.5+2.5+3-7.5-7.5) sin45 degree (vertical downward) 2.31 KN. Wherein all force directions are based on a plan view as shown in fig. 5.
And 3, carrying out primary detection on the stability problem.
And comparing the pressure data of each stress point with the maximum bearable pressure value. i is taken from 1 to G, if p is presenti>MiEntering step 4; otherwise, judging that the stability problem does not exist, and returning to the step 2. In this example, p1The stress in two stress directions of 45 degrees at the left lower part and the right lower part is 7.5KN>M1When the value is 5KN, the process proceeds to step 4.
And 4, judging whether the iron tower has a stability problem or not.
Comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, judging that the iron tower has the stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and if y is greater than V, judging that the iron tower has the stability problem; otherwise, judging that the stability problem does not exist, and returning to the step 2. In this embodiment, the horizontal force x is 0.707KN, and the horizontal maximum bearable force value H is 1KN, the vertical force y is compared with the vertical maximum bearable force value V, and at this time, the vertical force y is 2.31KN, and the vertical maximum bearable force value V is 2KN, so the system determines that the iron tower has the stability problem at this time.
Of course, those skilled in the art should realize that the above embodiments are only used for illustrating the present invention, and not as a limitation to the present invention, and that the changes and modifications of the above embodiments will fall within the protection scope of the present invention as long as they are within the scope of the present invention.
Claims (2)
1. A communication iron tower stability detection system based on a stress model is characterized by comprising a stress point identification and maximum bearable pressure value setting module, a stress point pressure data timing acquisition module, a stress point pressure data extraction and calculation horizontal and vertical stress module, a stability problem primary detection module and a stability problem judgment module, wherein the stress point identification and maximum bearable pressure value setting module is used for acquiring stress point pressure data;
the module for identifying the stress point and setting the maximum bearable pressure value is characterized in that: establishing an iron tower stress model according to the structure of the communication iron tower, and identifying the positions and the number of stress points influencing the structural stability of the iron tower according to stress analysis, wherein the number is marked as N; setting the maximum bearable pressure value of each stress point, and recording the maximum bearable pressure value as M1～MN(ii) a Setting a maximum bearable stress value H in the horizontal direction and a maximum bearable stress value V in the vertical direction of the whole iron tower;
the module for regularly acquiring stress point pressure data is characterized in that: a pressure sensor on the iron tower detects pressure data of a stress point of the iron tower at regular time and sends the data to a system database for storage;
the module for extracting stress point pressure data and calculating horizontal and vertical stress is characterized in that:extracting pressure data of N stress points, and recording the pressure data as p1～pN(ii) a Extracting pressure data p1～pNCarrying out stress decomposition and summation according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the stress x in the horizontal direction and the stress y in the vertical direction at the moment;
the stability problem primary detection module is characterized in that: comparing the pressure data of each stress point with the maximum bearable pressure value; the parameter i takes the value from 1 to N, if p is presenti>MiEntering a module for judging whether the stability problem exists in the iron tower or not; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress;
judge whether there is the characteristic of stability problem module in iron tower: comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, determining that the iron tower has a stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and judging that the iron tower has the stability problem if y is larger than V; otherwise, judging that the stability problem does not exist, returning to the module for extracting the pressure data of the stress point and calculating the horizontal and vertical stress.
2. A communication iron tower stability detection method based on a stress model is characterized by comprising the following steps:
step 1, recognizing stress points and setting a maximum bearable pressure value;
establishing an iron tower stress model according to the structure of the communication iron tower, and identifying the positions and the number of stress points influencing the structural stability of the iron tower according to stress analysis, wherein the number is marked as N; setting the maximum bearable pressure value of each stress point, and recording the maximum bearable pressure value as M1～MN(ii) a Setting a maximum bearable stress value H in the horizontal direction and a maximum bearable stress value V in the vertical direction of the whole iron tower;
step 2, collecting pressure data of stress points and calculating horizontal and vertical stress;
the pressure sensor on the iron tower detects the pressure data of the stress point of the iron tower at regular time and sends the data to the system databaseStoring; extracting pressure data of N stress points, and recording the pressure data as p1～pN(ii) a Extracting pressure data p1～pNCarrying out stress decomposition and summation according to the horizontal and vertical directions of the two-dimensional coordinate axis to obtain the stress x in the horizontal direction and the stress y in the vertical direction at the moment;
step 3, carrying out primary detection on stability problems;
comparing the pressure data of each stress point with the maximum bearable pressure value; i takes on the value from 1 to N, if p is presenti>MiEntering step 4; otherwise, judging that the stability problem does not exist, and returning to the step 2;
step 4, judging whether the iron tower has a stability problem or not;
comparing the horizontal stress x with the maximum horizontal bearable stress value H, and if x is greater than H, determining that the iron tower has a stability problem; otherwise, comparing the vertical stress y with the maximum vertical stress value V, and judging that the iron tower has the stability problem if y is larger than V; otherwise, judging that the stability problem does not exist, and returning to the step 2.
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