CN-122027766-A - Concrete arch dam video monitoring system

CN122027766ACN 122027766 ACN122027766 ACN 122027766ACN-122027766-A

Abstract

The invention discloses a concrete arch dam video monitoring system, which relates to the technical field of dam safety monitoring, and comprises a plurality of monitoring points, at least one monitoring substation and a monitoring master station, wherein the monitoring points are arranged at key monitoring positions of a concrete arch dam and a dam storage area near the monitoring points, each monitoring point is provided with front-end equipment for collecting video and image information, the monitoring substation is used as an area signal converging and transmitting node and is connected with the plurality of monitoring points through a wired or wireless communication link, an industrial grade switch is arranged in the monitoring substation, the monitoring master station is used as a system management and application center and is communicated with the at least one monitoring substation through a network and is integrated with a control equipment, a storage equipment, a display equipment and an information management system, and the front-end equipment, the monitoring substation and the monitoring master station are sequentially connected in a communication mode to form a closed loop system for completing information collection, transmission, storage and management. The system eliminates the manual inspection blind area and risk, and improves the dam defect identification efficiency and the data reliability.

Inventors

WANG XIAO
JIN JIANLE
Xiao Zhuojun
LI KE
LIU GUOFU
WANG FENG
ZHOU CHENHAO
LIANG PENGHUI

Assignees

国网浙江省电力有限公司紧水滩水力发电厂

Dates

Publication Date: 20260512
Application Date: 20251202

Claims (10)

1. A concrete arch dam video monitoring system is characterized by adopting a distributed hierarchical architecture and comprises a plurality of monitoring points, at least one monitoring substation and a monitoring master station, wherein the monitoring points are arranged on key monitoring positions of a concrete arch dam and a dam-approaching reservoir area thereof, each monitoring point is provided with front-end equipment for collecting video and image information, the monitoring substation is used as an area signal converging and transmitting node and is connected with the plurality of the monitoring points through a wired or wireless communication link, an industrial grade switch is arranged in the monitoring substation, the monitoring master station is used as a system management and application center and is communicated with the at least one monitoring substation through a network and is integrated with control equipment, storage equipment, display equipment and an information management system, and the front-end equipment, the monitoring substation and the monitoring master station are sequentially in communication connection to form a closed loop system for completing information collection, transmission, storage and management.
2. The concrete arch dam video monitoring system according to claim 1, wherein signal transmission between the monitoring substation and the monitoring point and between the monitoring substation and the monitoring main station is adapted to the concrete arch dam engineering environment, wherein transmission media of wired communication adopt optical cables or five or more network cables, a point where the wired network is difficult to deploy adopts a wireless communication mode conforming to the national radio management regulations, and the industrial grade switch supports network topology management, port management and remote program upgrading.
3. The concrete arch dam video monitoring system according to claim 1 is characterized in that the information management system adopts a layered system structure and comprises an equipment layer, an equipment interface layer, a data processing layer, a platform layer and a user side, wherein the equipment layer comprises at least one set of mobile track machine driven by control equipment, a lifting cloud deck and a high-definition camera which are mounted on the mobile track machine, the equipment interface layer provides a standardized software interface, the control equipment is used for realizing mobile control of the mobile track machine, gesture control of the lifting cloud deck and lens control of the high-definition camera, the data processing layer is used for identifying and analyzing video and image data from the equipment interface layer, the platform layer provides an interactive interface comprising inspection live view, defect tracking, planning inspection making, manual inspection initiating and system operation and maintenance for users, and the user side adopts a B/S framework for authorized users to access the system through a network browser.
4. The concrete arch dam video monitoring system according to claim 3, wherein the mobile track machine is integrated with a navigation unit, a driving unit and a main control unit, travels along a preset path based on mileage and navigation technology, and can be accurately positioned at a point to be observed on the surface of a dam.
5. The concrete arch dam video monitoring system according to claim 3, wherein the recognition and analysis functions of the data processing layer comprise dam crack recognition, dam calcium analysis recognition, dam instrument reading extraction and dam image plotting, and can automatically screen relevant information of dam structure defects and mark defect positions.
6. The concrete arch dam video monitoring system according to claim 3, wherein the platform layer is also provided with a scientific research system guarantee module and an information security guarantee module in a matched mode, the scientific research system guarantee module provides data support for related researches of dam security monitoring, and the information security guarantee module protects system access rights, data transmission and storage security.
7. The concrete arch dam video monitoring system according to claim 1, wherein the storage equipment is intensively deployed at a monitoring master station and is capable of continuously storing the accessed video stream signals, wherein the original video storage time is not less than 30 days, the stored monitoring record is attached with original time and address information and has a tamper-proof function, and the total video access number of the equipment is reserved with a capacity expansion allowance of not less than 20%.
8. The concrete arch dam video monitoring system according to claim 1, wherein the connection is made by means of an optical fiber transceiver and an optical cable when the distance between the camera in the front-end equipment and the switch in the monitoring substation exceeds 100 meters.
9. The concrete arch dam video monitoring system according to claim 1, wherein the front-end equipment comprises an ultra-high-definition panoramic camera, a high-altitude observation laser holder, a network laser dome camera, a high-definition network infrared drum camera and an unmanned aerial vehicle mounted camera, wherein the panoramic resolution of the ultra-high-definition panoramic camera is more than or equal to 4K, the close-up resolution is more than or equal to 1080P, the infrared light supplementing irradiation distance is more than or equal to 200m, the resolution of the high-altitude observation laser holder is more than or equal to 1080P, the laser light supplementing irradiation distance is more than or equal to 1000m, and the resolution of the unmanned aerial vehicle mounted camera is more than or equal to 4K.
10. The concrete arch dam video monitoring system according to claim 1, wherein the information management system of the monitoring master station can perform data interaction and fusion with an original safety online monitoring and intelligent management platform of the dam, and the dam state information obtained by video monitoring is combined with the original monitoring data for analysis, so that collaborative early warning of dam safety abnormality is realized.

Description

Concrete arch dam video monitoring system Technical Field The invention relates to the technical field of dam safety monitoring, in particular to a concrete arch dam video monitoring system. Background The video monitoring system has been developed from analog system to digital and networked spanning through over sixty years of technical evolution, and further enters an intelligent new stage under the deep energization of cloud computing, big data and artificial intelligence technology. The intelligent video monitoring system can automatically identify object characteristics, detect abnormal conditions in a scene in real time and actively trigger an early warning mechanism, effectively solves the problem of low efficiency of traditional manual screening video information, is widely applied to a plurality of fields such as traffic control, public security, operation and maintenance of power generation equipment, smart city construction and the like at present, and forms a mature functional system such as multi-picture synchronous monitoring, diversified recording strategies, mobile detection tracking, flexible alarm linkage and the like. In the field of dam safety management, the traditional safety monitoring mode mainly depends on a mode of combining manual inspection with special monitoring equipment, and a general video monitoring system is introduced into part of scenes as an auxiliary means, but a special monitoring solution for a concrete arch dam special application scene is not formed yet. The conventional video monitoring technology has obvious limitations in the application of the dam field, the conventional system mainly adopts a simple three-stage structure of acquisition, transmission and storage from the perspective of a hardware architecture, the engineering characteristics of large dam span, wide monitoring range and long transmission distance of a concrete arch dam are not considered, the hardware layout is difficult to cover all key parts of the dam, the reliability under complex geology and climate environments is insufficient, the conventional system is used for focusing on the general security monitoring requirements from the perspective of software functions, a special intelligent analysis module aiming at the dam structure is lacking, typical defects of the dam such as cracks, falling blocks and leakage cannot be automatically identified, the effective information is screened by relying on manual checking one by one, the efficiency is low, hidden danger judgment is easily caused by human negligence, the conventional storage scheme does not meet the special requirements of long-term storage, tamper resistance and capacity expansion of the safety monitoring data of the dam from the perspective of data management, and the conventional security monitoring system of the dam lacks effective data interaction and fusion mechanism, and the cooperative early warning capability is difficult to form. The traditional manual inspection mode has the obvious defects that on one hand, the concrete arch dam is complex in structure, key parts are scattered, full-range coverage is difficult to realize by manual inspection, monitoring blind areas exist, on the other hand, under extreme natural conditions such as heavy rain, snow, strong wind and the like, on-site inspection work cannot be carried out, and high safety risks exist in inspection scenes such as boarding operation and the like, so that personal safety of inspection staff is difficult to guarantee. In addition, the communication transmission scheme of the general video monitoring system is not optimized for long-distance transmission requirements and complex terrain conditions of the dam, the transmission stability is insufficient, and the intelligent degree is low, so that the problem of lag in identifying response of structural defects of the dam is further caused, and the core requirements of real-time performance and accuracy of safety monitoring of the dam cannot be met. In summary, in the concrete arch dam safety monitoring scene in the prior art, the problems of insufficient manual inspection coverage, incapability of working under extreme conditions, poor adaptability of a general monitoring system, insufficient intelligent level, data management incompatibility, system fusion deficiency and the like exist, the efficient, real-time and comprehensive monitoring of dam safety is difficult to realize, and a specific video monitoring technical scheme is needed to make up for the defects. Disclosure of Invention Therefore, the embodiment of the invention provides a concrete arch dam video monitoring system, which is used for solving the problems that the traditional manual inspection is not fully covered, the operation cannot be performed under extreme natural conditions and safety risks exist in the prior art, the general video monitoring system has poor capability of adapting to the dam environment (the requirements of long-distance transmi