CN-119227442-B - Stress analysis device, method and equipment for cable laying turning position

CN119227442BCN 119227442 BCN119227442 BCN 119227442BCN-119227442-B

Abstract

The application discloses a stress analysis device, a method and equipment for a cable laying turning position, and belongs to the technical field of electric power facilities. The device comprises a cable parameter acquisition module and a stress analysis module, wherein the cable parameter acquisition module is used for acquiring physical parameters of a cable, the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material, the bending parameter acquisition module is used for acquiring bending parameters of a turning section of the cable, the stress analysis module is used for inputting the physical parameters and the bending parameters into a pre-constructed stress analysis model, and stress data of each position in the turning section is determined according to an output result of the stress analysis model. According to the technical scheme, the stress data of the turning position of the cable is determined according to the physical parameters and the bending parameters of the cable, whether the wire core and the insulating layer are abnormal caused by excessive bending of the cable or not can be rapidly and accurately identified, and therefore normal operation of the cable is guaranteed.

Inventors

HU CHAOQIANG
SHAO YUANPENG
Xu Cuishan
LIANG ZHIHAO
YANG ZHANPENG
DING MING
WU SHILIANG
DENG CHUNHUI
ZHANG JUNYU
ZHOU JINGCHANG
HUANG XIAOLIANG
HUANG YINGMIN
You Fangqun
CHEN ZHUO
ZHENG ZHICONG
LU SHUN
LU MING
WANG JIANNENG
ZOU KEMIN
GAO WEIGUANG

Assignees

广州番禺电缆集团有限公司

Dates

Publication Date: 20260508
Application Date: 20240807

Claims (6)

1. A stress analysis device for a cable laying turn location, the device comprising: The cable parameter acquisition module is used for acquiring physical parameters of the cable, wherein the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material; The bending parameter acquisition module is used for acquiring the bending parameters of the turning section of the cable, wherein the bending parameters comprise section length and bending radius; The stress analysis module is used for inputting the physical parameters and the bending parameters into a pre-constructed stress analysis model, and determining stress data of each position in the turning section according to the output result of the stress analysis model; the stress analysis module comprises a material parameter determination unit, a geometry establishment unit, a stress analysis unit and a geometry establishment unit, wherein the material parameter determination unit is used for determining a wire core elasticity parameter according to the wire core material and an insulation layer elasticity parameter according to the insulation layer material, the geometry establishment unit is used for establishing a unit geometry of the cable according to the section length, the wire core radius and the insulation layer thickness, the stress analysis unit is used for determining stress data of each position in the turning section according to the wire core elasticity parameter, the insulation layer elasticity parameter, the bending radius and the unit geometry, the geometry establishment unit is specifically used for establishing a geometric model of the cable according to the section length, the wire core radius and the insulation layer thickness, dividing the geometric model according to a preset geometric format to obtain the unit geometry of the cable, wherein the preset geometric format comprises a geometric shape and a geometric size, and the geometry establishment unit is further used for determining the geometric shape according to the height difference; And the stress alarm module is used for generating alarm information under the condition that the stress data exceeds the material strength of the wire core material or the insulating layer material.
2. The cabling turn location stress analysis device of claim 1, wherein the geometry creation unit is further configured to: The geometric shapes include two-dimensional shapes and three-dimensional shapes.
3. The cabling turn location stress analysis device of claim 1, wherein the geometry creation unit is further configured to: And determining the geometric body size according to the wire core radius and the insulating layer thickness.
4. The device for analyzing stress at a turning position of cabling according to claim 1, wherein the stress analyzing unit is specifically configured to: Determining a rigidity matrix of each unit geometric body according to the wire core elasticity parameters and the insulation layer elasticity parameters; and determining stress data of each unit geometric body according to the bending radius and the rigidity matrix.
5. A method of stress analysis of a cable laying turn location, the method comprising: the method comprises the steps of obtaining physical parameters of a cable through a cable parameter obtaining module, wherein the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material; The method comprises the steps of obtaining bending parameters of a turning section of the cable through a bending parameter obtaining module, wherein the bending parameters comprise section length and bending radius; The method comprises the steps of inputting physical parameters and bending parameters into a pre-constructed stress analysis model through a stress analysis module, determining stress data of each position in the turning section according to an output result of the stress analysis model, inputting the physical parameters and the bending parameters into the pre-constructed stress analysis model through the stress analysis module, determining the stress data of each position in the turning section according to an output result of the stress analysis model, determining a wire core elasticity parameter according to a wire core material through a material parameter determining unit, determining an insulating layer elasticity parameter according to the insulating layer material, establishing a unit geometric body of the cable according to the section length, the wire core radius and the insulating layer thickness through a geometric body establishing unit, and determining the stress data of each position in the turning section according to the wire core elasticity parameter, the insulating layer elasticity parameter, the bending radius and the unit geometric body through a stress analysis unit; The method comprises the steps of establishing a geometric model of the cable according to the section length, the wire core radius and the insulation layer thickness by a geometric body establishing unit, dividing the geometric model according to a preset geometric format to obtain the unit geometric body of the cable, wherein the preset geometric format comprises a geometric body shape and a geometric body size, and the geometric body shape is determined according to the height difference; And generating alarm information by a stress alarm module under the condition that the stress data exceeds the material strength of the wire core material or the insulating layer material.
6. An electronic device comprising a processor, a memory and a program or instruction stored on the memory and executable on the processor, the program or instruction when executed by the processor implementing the steps of the cable laying turn location stress analysis method of claim 5.

Description

Stress analysis device, method and equipment for cable laying turning position Technical Field The application belongs to the technical field of electric power facilities, and particularly relates to a stress analysis device, a method and equipment for a cable laying turning position. Background In the laying process of the cable, the cable needs to be laid in a turning way in order to adapt to changeable laying environments. However, turning runs inevitably lead to deformation of the cable structure, which results in stresses. Once the stress is exceeded by the stress bearing capacity of the cable structure, damage may occur to the cable structure, thereby posing a serious threat to the normal operation of the cable. Currently, whether the stress of the turning position of the cable is abnormal or not generally depends on the experience of a worker to judge, and the manual judgment mode is high in subjectivity, difficult to ensure the judgment accuracy, and gradually insufficient in experience of the worker to support the recognition judgment along with the increase of the complexity of the cable system. Therefore, how to quickly and accurately determine stress data for a cable turn location, so as to effectively predict and avoid potential problems, is a need in the art for a solution. Disclosure of Invention The embodiment of the application provides a stress analysis device, a method and equipment for a cable laying turning position, and aims to rapidly and accurately identify whether an abnormality caused by excessive bending of a cable exists between a wire core and an insulating layer, so that normal operation of the cable is ensured. In a first aspect, an embodiment of the present application provides a stress analysis device for a cable laying turning position, the device including: The cable parameter acquisition module is used for acquiring physical parameters of the cable, wherein the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material; The bending parameter acquisition module is used for acquiring bending parameters of a turning section of the cable, wherein the bending parameters comprise section length and bending radius; And the stress analysis module is used for inputting the physical parameters and the bending parameters into a pre-constructed stress analysis model, and determining stress data of each position in the turning section according to the output result of the stress analysis model. In a second aspect, an embodiment of the present application provides a method for analyzing stress at a cable laying turning position, the method including: the method comprises the steps of obtaining physical parameters of a cable through a cable parameter obtaining module, wherein the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material; obtaining bending parameters of a turning section of the cable through a bending parameter obtaining module, wherein the bending parameters comprise section length and bending radius; and inputting the physical parameters and the bending parameters into a pre-constructed stress analysis model through a stress analysis module, and determining stress data of each position in the turning section according to an output result of the stress analysis model. In a third aspect, an embodiment of the present application provides an electronic device, including a processor, a memory, and a program or instruction stored on the memory and executable on the processor, the program or instruction implementing the steps of the method according to the first aspect when executed by the processor. In a fourth aspect, embodiments of the present application provide a readable storage medium having stored thereon a program or instructions which when executed by a processor perform the steps of the method according to the first aspect. In a fifth aspect, an embodiment of the present application provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and where the processor is configured to execute a program or instructions to implement a method according to the first aspect. The embodiment of the application discloses a cable parameter acquisition module, a bending parameter acquisition module and a stress analysis module, wherein the cable parameter acquisition module is used for acquiring physical parameters of a cable, the physical parameters comprise at least one of a wire core radius, a wire core material, an insulating layer thickness and an insulating layer material, the bending parameter acquisition module is used for acquiring bending parameters of a turning section of the cable, the bending parameters comprise a section length and a bending radius, and the stress analysis module is used for inputti