23 results about "Flood prevention" patented technology

This utility model discloses a flood prevention baffle system based on electric airbag drive, including a water storage base, a rotating shaft mechanism, a water baffle plate, stainless steel side plates, an electric airbag mechanism, a liquid level sensor, and a control system communicatively connected to the liquid level sensor. The water storage base is located in a ground pit. The stainless steel side plates are arranged parallel to each other on the existing building walls or new structures on both sides of the passage. The rotating shaft mechanism connects the water storage base and the water baffle plate. When in a horizontal state, the water baffle plate is placed inside the water storage base, and when in a vertical state, it forms a sealed structure with the stainless steel side plates on both sides of the passage. The electric airbag mechanism is located at the bottom of the water storage base. The liquid level sensor is located at the entrance of the passage. The control system receives the liquid level sensor signal in real time and controls the operation of the solenoid valve and electric air pump on the electric airbag mechanism according to the preset control logic to realize the automatic inflation or deflation of the airbag, thereby controlling the vertical flipping or horizontal reset of the water baffle plate, realizing the automated control of the flood prevention operation.

This invention discloses a method for early warning of flash floods in important villages based on small reservoir hydrological and rainfall monitoring. The method first collects data from the study area, constructing a multi-source heterogeneous data fusion system and a hydrological-topographic-socioeconomic correlation network for the study area. Then, it constructs spatial location and water flow path correlations between small reservoirs and important villages, generating inundation range maps and delineating risk zones based on the topography, building layout, and set water level thresholds of the important villages. A reservoir-river-village hydrodynamic coupling model is constructed to calculate the correlation between small reservoir monitoring indicators and village disaster events, and this is input into a disaster-causing water level inversion model to obtain the probability distribution of disaster-causing water levels. Finally, a flash flood disaster early warning model is constructed, extracting the probability distribution of disaster-causing water levels as model input to perform multi-timescale risk forecasting and classify early warning levels, developing differentiated early warning schemes for different levels. This improves the scientific rigor and effectiveness of flash flood disaster prevention.

This invention relates to an intelligent civil defense and flood-proof door equipment, system, and control method. The equipment includes a door body and a door leaf drive mechanism. The door body includes a lower locking mechanism. A bottom lifting-type sealing structure is provided between the bottom of the left and right door leaves and the lower door frame. The door leaf drive mechanism is connected to the left and right door leaves. The system also includes an intelligent control device, which includes a sensor module and a drive control module integrated on the door body, as well as a remote control platform. The sensor module includes a door leaf opening / closing position detection sensor, a bottom lifting-type sealing structure compression status detection sensor, and a water level height detection sensor. The drive control module controls the door leaf drive mechanism and the lower locking mechanism based on the detection signals from the sensor module and the instructions from the remote control platform. This invention improves the sealing reliability and control safety of civil defense doors under high water levels and complex water flow conditions by optimizing the door body sealing and locking execution structure and combining sensor monitoring and centralized control.

The application provides a kind of intelligent regulation and control method for pipe network low water level operation based on external water intrusion hot spot identification, liquid level and water quality linkage sensing equipment is arranged in the external water intrusion hotspot area, the edge computing node uses variational mode decomposition and mutual information entropy fusion algorithm to calculate the external water intrusion intensity index in real time. The cloud-based long short-term memory network and deep deterministic policy gradient reinforcement learning with fusion attention mechanism construct an intelligent decision model, and output the optimal pumping frequency of the pump station. After receiving the instruction, the pump station controller actively reduces the pipe network water level below the design fullness in the dry season, and uses the low water level condition to expose the structural defects of the pipe network. When the conductivity or COD concentration significantly rebounds, the system automatically triggers the frequency locking logic to maintain the low water level strategy. The edge-cloud collaborative microservice grid architecture and LSM-Tree distributed storage engine are adopted, and the automatic switching of flood prevention mode and the safety boundary constraint mechanism are integrated.

The utility model discloses a water conservancy project flood prevention device, including installation base, two mounting holes are opened in the upper end front and the upper end rear of installation base, the left part of installation base upper end and the left end upper part are fixedly installed with support device together, installation base left end upper part is installed with screw no.

The utility model belongs to the technical field of flood prevention device, especially a water conservancy is prevented to drown directional drainage and is relieved flood prevention wall including flood prevention drainage subassembly, the outside of flood prevention drainage subassembly is provided with flexible positioner, is provided with auxiliary assembly in flood prevention drainage subassembly, solved the problem that the existing flood prevention wall lacks flexible drainage adjusting device, cannot according to actual flood situation dynamic adjustment drainage direction and flow, leads to flood drainage efficiency to be low, is difficult to adapt to the complex and changeable flood situation, through the L type flood prevention wallboard in flood prevention drainage subassembly collocation arc convex strip and antiskid stable bottom strip, can effectively disperse the water flow impact force, while the auxiliary L type flood prevention wallboard piece is through the sliding fit of built -in metal plate sliding block and strip shape recessed groove, the cooperation of spring connecting piece and electromagnetic inner bottom block is operated, can according to flood area water flow change, through control terminal remote control controller, realize the accurate positioning and flexible adjustment of auxiliary L type flood prevention wallboard piece.

The application discloses a kind of basin super-standard flood flood prevention resilience intelligent evaluation method and system of fusion multi-source data, the method sequentially executes: measured and simulated flood characteristic data, geographical environment data and human activity characteristic data containing night light NTL time series data are uniformly processed into spatiotemporal alignment grid data set;S2, construct three-dimensional evaluation framework of resistance, absorption and recovery capacity and clear its mapping relationship with flood process and system function;S3, based on system function curve, quantize disaster damage degree, function change rate and comprehensive resilience index;S4, using supervised learning model, when lacking measured data, super-standard flood scene is carried out grid level resilience intelligent deduction;And using explainable analysis method analyzes the key driving factor of resilience.The application realizes the dynamic, quantitative, explainable intelligent evaluation of basin flood prevention resilience under super-standard flood scene.

This invention discloses a self-powered intelligent marine water quality parameter detection device, belonging to the technical field of marine environmental monitoring equipment. The device includes a float, a self-powered unit, mechanical support components, a sealed cabin, a load-bearing structure, and detection components. The self-powered unit includes a wind-powered TENG (Temperature Energy Utilization Unit) and flexible solar panels for converting wind and solar energy into electrical energy. The detection components include a siphon flood prevention structure, a water inlet located at the bottom of the cabin, and detection devices, which include a supercapacitor, an ACEL liquid sensor, a camera, and a main control MCU. Seawater enters the detection area through the water inlet, and the siphon flood prevention structure regulates the liquid level to prevent the detection device from being submerged. This invention has advantages such as self-powered operation, structural stability, strong flood prevention capability, and suitability for long-term offshore deployment, providing an innovative structural design solution for marine water quality parameter detection.

This invention discloses a concealed intelligent flood prevention system for underground spaces, belonging to the field of underground space flood prevention technology. It addresses the technical problem that existing technologies have simple control logic and cannot cope with complex flood scenarios. The system includes a gate, an underground gate slot at the entrance of the underground space for installing the gate, and above-ground gate slots aligned with the underground gate slots on both sides of the entrance. A first electric actuator is located at the top of the above-ground gate slots to drive the gate's up-and-down movement, and a sealing plate and a second electric actuator to drive the sealing plate's switch are located at the top of the underground gate slots. The system also includes a controller, a manual forced opening / closing button, an audible and visual alarm, an external water level monitoring device, an external status display screen, an internal water level monitoring device, and an internal status display screen. The external water level monitoring device and external status display screen are installed outside the underground space, while the internal water level monitoring device and internal status display screen are installed inside the underground space.

The utility model discloses a buoyancy, counterweight trigger type flood prevention baffle, including flood prevention baffle body, its through concrete pouring installation in the installation groove on the ground, the flood prevention baffle body is personally experienced sth, including the guard board and the baffle, the baffle mobilely sets up in the guard groove on the guard board, and the baffle bottom is equipped with the lifting mechanism, to make the lifting mechanism drive down along the guard groove and go up, adjust the water depth of baffle. Through being provided with trigger subassembly on the flood prevention baffle, to make the buoyancy trigger mechanism and gravity trigger mechanism on trigger subassembly after rainwater enters the collecting pipe, to make buoyancy ball trigger first trigger inductor, and make the linkage lever touch gravity inductor, thereby make buoyancy and gravity double response flood season rainfall, and then quick start flood prevention baffle, replace original manual flood prevention baffle's installation efficiency low problem, prevent rainwater from soaking into the building house inside, improve the practicality of flood prevention baffle.

This invention belongs to the field of emergency flood control engineering technology, specifically relating to a foldable and rapid flood barrier structure and its construction method. It includes: at least one transverse foldable retaining wall unit; a counterweight system disposed inside or at the bottom of the transverse foldable retaining wall unit; a longitudinal support system including at least one support member, one end of which is connected to the backwater surface of the transverse foldable retaining wall unit, and the other end for connection to the ground foundation; and a seepage prevention and anchoring system including a seepage prevention layer laid on the ground foundation and anchors for anchoring the longitudinal support system to the ground foundation. This invention, by employing an arched transverse foldable retaining wall, utilizes the mechanical properties of the arch to efficiently transfer water pressure to the support systems on both sides, significantly improving the water pressure resistance and impact resistance of the retaining structure.

The invention discloses an urban inland inundation risk assessment method based on an improved TOPSIS-BWM-CRITIC method, and relates to the technical field of urban inland inundation risk assessment. The method comprises the following steps: constructing an urban inland inundation risk assessment index system based on a disaster system theory; collecting multi-source data, and performing cleaning and standardization processing to generate a rasterized data set; a subjective weight is calculated by adopting a best and worst method, an objective weight is calculated by adopting a CRITIC method, and then a combined weight is obtained through game theory combination weighting; and carrying out risk assessment by adopting an improved TOPSIS method, calculating the close degree between each grid unit and an ideal solution by replacing Euclidean distance with mahalanobis distance, and generating a risk level distribution diagram. According to the method, the index correlation is corrected through the mahalanobis distance, the midperpendicular defect of a traditional method is overcome, the weight distribution has the advantages of subjective and objective information, the accuracy and reliability of waterlogging risk assessment are remarkably improved, and a scientific basis is provided for urban flood control and disaster reduction.

The utility model discloses a quick assembly and disassembly's roll up door, including baffle, be provided with the buckle connecting piece on the baffle, the theftproof roll up curtain piece bottom is provided with the notched upward channel steel, the roll up curtain piece bottom channel steel is fixedly connected with theftproof roll up curtain piece, be provided with the buckle fixed component of the buckle connecting piece to theftproof roll up curtain piece and roll up curtain piece bottom channel steel fixedly, the utility model discloses the baffle of flood prevention, rat prevention function is connected with buckle connecting piece directly, and sets up channel steel at roll up curtain piece bottom, and realizes the opening and closing fixed of theftproof roll up curtain piece through buckle fixed component, makes flood prevention, rat prevention function and theftproof roll up curtain carry out integration. The utility model discloses the buckle fixed component to theftproof roll up curtain piece carries out the quick opening and closing fixed, convenient and efficient to use, is suitable for various building hole. The utility model discloses compact design, and the space is little, need not to set up the storage space alone, easy to popularization and promotion.

The utility model discloses a flood prevention material reserve case, including box and lid, the lid rotation is connected at the top of box, the box outside is fixed with fixed plate, and the outer wall of lid is fixed with lock plate, the lock plate with fixed plate all are equipped with the insertion hole who sets up, the fixed plate bottom is fixed with fixed sleeve, the fixed sleeve is inserted and is equipped with the insertion rod, the insertion rod is inserted in the insertion hole, and the outer wall of insertion rod sets up the recess groove, and the inner wall of fixed sleeve is fixed with the clamping plate, the clamping plate sets up multiple, and the outer wall of fixed sleeve sets up the sliding slot, the sliding slot sets up multiple and is equipped with the sliding sleeve of sliding connection, the inboard of sliding sleeve is fixed with the push board, the push board sets up multiple, through the rotation connection design of lid and box, combining the insertion hole structure on lock plate and fixed plate, the quick fixed function of lid has been realized, effectively solved the problem that flood prevention material preparation stage needs to open reserve case frequently before flood season, and the efficiency of material storage and deployment has been improved greatly.

1. Name of the design product: flood prevention water baffle. 2. Use of the design product: for flood prevention. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

The present application relates to the technical field of flood prevention and early warning of water conservancy, and specifically discloses a real-time analysis and processing method for flood prevention and early warning data of water conservancy, which aims to improve the evaluation accuracy of the early warning system for flood threat and dam safety. The present application generates fluid density equivalent by fusing ultrasonic wave and dielectric constant data, calculates real-time physical dynamic pressure impact force in combination with water level and flow rate, which is different from the traditional evaluation mode that only relies on water level and flow rate. At the same time, internal pore water pressure and seepage acoustic energy in the dam body are collected to generate internal piping erosion equivalent, realizing quantitative tracking of internal hidden dangers. Further, an algebraic judgment matrix is constructed to generate multi-level alarm logic by comprehensively considering internal and external risk factors, which not only independently evaluates external impact and internal erosion, but also identifies extreme working conditions of the concurrent of the two, and sets a non-delayed highest level alarm channel. The present application enhances the predictability, pertinence and reliability of the early warning system, and improves the overall efficiency of the flood prevention and early warning system.

The utility model discloses a flood prevention buoy for water conservancy project relates to flood prevention buoy technical field, including the mark body and the counterweight, be provided with the protection structure on the mark body, the protection structure includes the float plate, the float plate sets up at the mark body surface all around position, the top of float plate is fixed mounting respectively with the protection board and the installation column, the float plate is connected through the connecting rope, through the protection structure, has realized the increase buoy's stress area, can be separated to the blocking of the floating object with the impact force can be buffered, and in the big wind wave pressure on the float plate, can buffer the pressure, reduce the pressure on the mark body, keep the mark body stable, avoid the inclination, effectively improve the stability effect of buoy work time, solved the problem that the traditional flood prevention buoy for water conservancy project is influenced by the water surface floating object and the big wind wave in use and leads to buoy stability to be influenced.

This application provides a method, system, medium, and electronic device for flood prevention early warning of cross-river bridges. The method includes: collecting multi-source basic information about the cross-river bridge; collecting multi-dimensional real-time data on the upstream and downstream pier areas of the bridge; constructing a bridge-river channel flooding model based on the multi-source basic information; performing simulation analysis based on the bridge-river channel flooding model to generate an intelligent early warning mechanism; and making early warning judgments based on the multi-dimensional real-time data using the intelligent early warning mechanism, and outputting early warning response results. The solution provided in this application can improve the early warning capability for flood prevention of cross-river bridges.

The utility model relates to a disaster prevention flood gate which comprises two frame plates, a top support and a flood gate body, the top support is fixedly installed at the upper ends of the two frame plates, a bottom plate is fixedly installed between the lower ends of the two frame plates, C-shaped door frames are fixedly installed on one sides of the two frame plates, and the two ends of the flood gate body are arranged in the two C-shaped door frames in a sliding mode respectively. Round steel is arranged on the lower side of the flood-proof door, a bottom sealing strip is fixedly installed on the lower side of the round steel, the bottom sealing strip is attached to the bottom plate, two side edge sealing strips are arranged on the two sides of the flood-proof door respectively, and the side edge sealing strips are attached to the inner wall of the C-shaped door frame. By means of the side edge sealing strips and the bottom sealing strips, a gap between the flood-proof door and the inner wall of the C-shaped door frame can be sealed, and a gap between the flood-proof door and the bottom plate can be sealed, so that in the face of flood disasters, water flow can be blocked and intercepted quickly and efficiently by lowering the flood-proof door.

The present disclosure provides a railway flood prevention patrol method and system, comprising: when receiving a flood prevention patrol warning, the server determines the corresponding patrol grid point based on the first flood prevention area in the flood prevention patrol warning; the server determines the first remote terminal for patrolling the first flood prevention area based on the corresponding patrol grid point of the first flood prevention area; the server obtains the current position point of the first remote terminal and plans the target patrol path corresponding to the first flood prevention area based on the current position point of the first remote terminal and the area position point of the first flood prevention area; the server sends the flood prevention patrol instruction carrying the target patrol path to the first remote terminal; and the first remote terminal responds to the flood prevention patrol instruction and performs regional patrol on the first flood prevention area based on the target patrol path. Thus, the flood prevention patrol efficiency is effectively improved.

This invention discloses a rapid urban flood disaster prediction method based on an integrated real-time learning algorithm, comprising: acquiring a historical dataset containing historical rainfall and flood feature vectors; selecting multiple similarity measurement methods, and based on each method, filtering relevant historical sample sets corresponding to the rainfall forecast data to be measured from the historical dataset; constructing local prediction models using each sample set and obtaining preliminary prediction results; weighted integrating multiple preliminary prediction results to obtain the final flood disaster prediction result; when historical data is insufficient, supplementing the dataset by constructing a hydrological and hydrodynamic model to simulate flood data under different rainfall scenarios. This invention effectively solves the problems of poor adaptability and overfitting caused by fixed parameters in traditional offline models. By integrating multiple similarity measures and local online modeling, it significantly improves the accuracy, stability, and real-time performance of flood prediction, providing reliable technical support for urban flood prevention and disaster reduction.

This invention belongs to the field of hydrological modeling and flood forecasting technology, and discloses a flood runoff simulation method based on time-varying outflow coefficients. The method includes the following steps: determining the existence of interflows, modeling hydrological connectivity mechanisms, constructing a time-varying outflow coefficient model, and parameter calibration and verification. The method described in this invention accurately describes the behavior of interflows, can precisely simulate the inflection point of flood recession, significantly improves the accuracy of flood forecasting in semi-arid and semi-humid regions, and provides reliable technical support for flood prevention and disaster reduction.

The utility model discloses a water conservancy project flood prevention water retaining device, including water retaining card slot board, water retaining card slot board inside is provided with the water retaining board, the side of water retaining board is established with the operation groove, the inside rotation of operation groove is connected with the rotating shaft, the lower extreme fixed connection of rotating shaft has upper rectangle board, thereby convenient support water retaining board operation use, through using the support operation use of cooperation telescopic plate of lower support board, thereby reinforcing the position use when water retaining board operation, then adjust the position and reinsert the fixed bolt in upper rectangle board, connect the fixed hole set up on the side of telescopic plate, thereby guarantee the position stability of telescopic plate, thereby convenient subsequent operation use.