223 results about "Floodgate" patented technology

The invention discloses a multi-target intelligent hydraulic regulation and control method for a tidal river network sluice group. The method comprises the following steps: S1, acquiring historical detection data and hydrological data of a tidal river network; and S2, constructing a river network flow prediction model and a water level prediction model to obtain river network key section hydrodynamic data. And S3, based on a multi-objective optimization thought, nesting the flow prediction model and the water level prediction model into an improved optimization algorithm by using an objective function with hydrodynamic regulation as a core. S4, according to the multi-target requirements of river network flood control, water resources, water environment, water ecology and the like, the optimal gate opening degree is solved based on an optimization algorithm, and a real-time dynamic water gate group combined regulation and control scheme is generated. According to the multi-target intelligent hydraulic regulation and control method for the tidal river network sluice group, an optimal scheduling method and a machine learning technology are fused, a sluice group joint regulation and control scheme can be generated in real time, the river network water fluidity and the self-cleaning capacity are remarkably enhanced, and important support is provided for tidal river network water problem systematic treatment and intelligent management.

The invention relates to the technical field of intelligent monitoring, in particular to a hydraulic engineering operation state monitoring method and system. The method comprises the following steps: monitoring corresponding water conservancy dam body stress-strain data, water conservancy dam body osmotic pressure data, water gate opening position data, water area water level data and water area flow velocity data in real time; the method comprises the following steps: acquiring regional meteorological data and regional landform data corresponding to the periphery of a water conservancy project, carrying out dam body displacement analysis and sluice opening statistics, and meanwhile, carrying out water area potential influence mining analysis to obtain corresponding meteorological potential factors and landform potential factors; and performing water conservancy operation risk monitoring and emergency early warning control on the operation facilities corresponding to the water conservancy project based on the water conservancy dam body seepage displacement and the water conservancy gate opening degree in combination with the meteorological potential factors and the terrain potential factors corresponding to the water area of the water conservancy project so as to generate an operation state emergency control plan corresponding to the water conservancy project. The overall operation level of the water conservancy project can be improved.

The invention discloses a seawater exchange type breakwater management method based on intelligent control, and particularly relates to the technical field of breakwater management. By constructing a multi-parameter correlation model, environmental data such as dissolved oxygen, turbidity and water temperature are collected in real time, the coupling relation is identified, and a risk factor value is calculated, so that a water change control decision is dynamically corrected; by controlling execution units such as a water gate, a water pump or a valve, water changing operation is accurately implemented, feedback data is collected after operation, the control effect is evaluated, then self-adaptive optimization of a next round of strategy is achieved, and the judgment accuracy, control flexibility and ecological safety of the system in a complex environment are effectively improved.

The utility model discloses an unmanned intelligent environmental protection monitoring device, which relates to the technical field of monitoring devices, and particularly comprises a water blocking gate, a water storage tank and a water storage tank, the gathering plate is mounted at the front end of the water blocking gate and used for gathering garbage floating on the water surface; the salvage part is mounted on the water blocking gate and used for salvaging garbage floating on the water surface, and one end of the salvage part extends to the position below the gathering plate; the collecting frame is installed on the back face of the water blocking gate and used for collecting the floating garbage fished by the fishing component; and the driving component is used for driving the fishing component to circularly move along the fishing path. The unmanned intelligent environmental protection monitoring device can drive a water quality monitor to ascend and descend along with ascending and descending of the water surface height so as to adapt to monitoring of different water surface environments, a first gear of a driving motor working belt rotates to drive a second gear to work through a chain, and therefore a fishing net is driven to move; and the salvage net is matched with the salvage plate to convey the horizontally floating garbage into the collection frame for collection.

The invention relates to the field of hydraulic engineering facilities, in particular to a fishway (1), a sluice and a fishway arrangement method.The fishway comprises a plurality of turn-back sections (11) which are connected in sequence and at least partially arranged on a ramp section of a stilling pool (3) at the downstream of the sluice, and the gradient of each turn-back section is smaller than that of the ramp section of the stilling pool; the bottom end of the fish migration channel is provided with a fishway inlet (13), and the top end of the fish migration channel is provided with a fishway outlet (14) communicated with the lock chamber of the water gate. And the fishes at the downstream are attracted by the water flow which flows out of the fishway and is suitable for migration, so that the fishes enter the fishway and upstream to enter the lock chamber at the upstream of the stilling pool. Due to the fact that the fishway extends into the gate chamber of the water gate in a turning-back mode, the height difference of the stilling pool is relieved in a segmented climbing mode, the water flow speed in the fishway is lower, and therefore the fishway is suitable for fish migration, and fishes can pass through the stilling pool and the water gate through the fishway.

The invention provides a method, device and equipment for regulating and controlling the water level of an inner ditch river of a drainage system, and the method comprises the steps: obtaining the water gate water level data of the inner ditch river and the pipe point data related to a discharge port; according to the sluice water level data, determining a riverway water level line; according to the river channel water line and the discharge outlet water line, obtaining a discharge outlet submerging state; performing infiltration defect evaluation on the pipe point data to obtain an infiltration defect evaluation result; performing mixed connection defect evaluation on the pipe point data to obtain a mixed connection defect evaluation result; according to the infiltration defect evaluation result and the mixed connection defect evaluation result, obtaining and displaying a backward flow path analysis result; and controlling the gate opening degree of the water gate according to the discharge outlet submerging state and the backward flow path analysis result. According to the invention, the accuracy and efficiency of backflow prevention and control of the drainage port of the drainage system, underground water infiltration troubleshooting, intelligent identification of the rain and sewage mixed connection point and troubleshooting of the running state abnormity of the sewage pipe network can be improved.

The invention discloses a water filling folding type layered water intake gate which comprises a dam body, and the dam body comprises a connecting piece. Moreover, a first pushing assembly is arranged on the outer wall of the connecting piece, and the first pushing assembly comprises a first rotating rod and a second rotating rod rotationally connected with one side of the first rotating rod. When the first rotating rod rotates, the second rotating rod can be pushed to move, and then the dam body is driven to be unfolded to block the water gate. By arranging the dam body and the pushing assembly, the gate can control a specific area with a specific depth to be safely, reliably and rapidly switched between a water retaining state and a water passing state according to needs, the operation efficiency, safety and reliability of the layered water intake gate of the hydropower station are improved, and the fine, automatic and intelligent level of ecological dispatching management of the hydropower station is improved.

The application relates to a linkage control method and system based on interval floodgate states, and belongs to the technical field of intelligent protection control. The linkage control method comprises the following steps: collecting real-time states of floodgates in each interval of underground facilities, external water level data and real-time rainfall data; inputting the external water level data and the real-time rainfall data into a pre-trained risk warning model to obtain a risk warning level; determining corresponding intervals to be closed according to the risk warning level; determining intervals to be closed whose floodgates are in an open state according to the real-time states of the floodgates in each interval to be closed, and obtaining an interval to be closed list; sorting the interval to be closed list based on a preset interval closing priority; and generating a step-by-step closing control instruction according to the sorted interval to be closed list. The application can flexibly meet the closing requirements of each interval, and fully guarantees the closing safety of important intervals and the reliability of personnel evacuation during disaster diffusion.

The invention provides a self-adaptive water level adjustment irrigation area water gate system, and relates to the technical field of water conservancy projects, and the system comprises a water level monitoring module which is used for monitoring the water level change in an irrigation area in real time, and feeding back the water level information to a gate control module; and the gate control module is used for receiving the water level information fed back by the water level monitoring module according to a preset water level control strategy and automatically adjusting the opening degree of a water gate of the irrigation area so as to realize self-adaptive adjustment of the water level of the irrigation area. According to the invention, functions of monitoring, control, analysis, purification, remote monitoring, energy management and the like are integrated, intelligent adjustment of the water level of the irrigation area, effective purification of water quality and continuous optimization of energy consumption are realized, and the management efficiency and sustainability of the irrigation area are improved.

The water gate convenient to clean comprises a gate frame, a gate groove is formed in the inner surface of the gate frame, a gate plate is embedded in the gate groove in a sliding connection mode, the top of the gate plate is fixedly connected with a first screw rod, a first fixing groove is formed in the gate frame, a first gear is rotationally connected in the first fixing groove, and a second gear is rotationally connected in the second fixing groove. A threaded groove in threaded connection with the first screw is formed in the center of the first gear, and a first motor is arranged at the top of the gate frame. According to the device, through the arrangement of the water pump, the water pumping pipe, the movable pipe, the fixed pipe, the water outlet holes and other structures, water in a river channel can be conveniently pumped and sprayed to the surface of the flashboard to flush the flashboard, and through the arrangement of a third motor, a sweeping roller and a bristle structure, the surface of the flashboard can be automatically brushed; and meanwhile, by arranging a second motor, a second screw rod, a screw block, a lifting frame and other structures in a matched mode, the surface of the gate plate can be washed from top to bottom.

The utility model relates to the technical field of irrigation equipment, in particular to an irrigation water tank not prone to being blocked. The irrigation water tank not prone to being blocked solves the technical problems that in the prior art, crops are prone to being washed out by irrigation equipment, and a water gate is not prone to being maintained. An irrigation water tank not prone to being blocked comprises a water tank body and a water drain valve arranged in the water tank body, and the water tank body is further provided with a water guide tank. According to the irrigation water tank, the buffer water cavity is arranged, water discharged by the water drain valve enters the buffer water cavity firstly, the water discharged by the water drain valve is subjected to pressure relief in the buffer water cavity and then is output through the water guide groove, so that crops can be prevented from being destroyed by water in the water guide groove due to overhigh pressure or overhigh flow speed, and the performance of the irrigation water tank is optimized. By arranging the scraping plate, when the water drain valve is rotated, the scraping plate is static relative to the cylinder part, so that the scraping plate can scrape stains on the inner side wall of the cylinder part, the stains are prevented from blocking the water drain hole, and the irrigation water tank is easy to maintain.

The application relates to the technical field of hydraulic engineering, and discloses a garbage filtering structure for hydraulic engineering and a construction method thereof, which comprises a water gate platform, a beam plate, a trash rack, a driving unit, a cleaning rack, a protection frame, a floating mechanism, an extension mechanism, a conveying mechanism, an air pump set and a trigger button, a rectangular opening for the extension mechanism to go in and out is arranged at the bottom of the water gate platform, beam columns reaching the bottom of a lake are arranged on the two side walls in the water gate platform, and the driving unit is provided with two; the extension mechanism and the cleaning rack can be floated on the water surface through the adjustment of the driving unit and the floating mechanism, the floating garbage can be intercepted through the inclined arrangement of the cleaning rack, the jamming of the trash rack and the cleaning frequency of the trash rack are reduced, and the problem that the floating garbage is accumulated on the water surface during the garbage interception process of the existing filtering structure, causing the water level part of the trash rack to be jammed and blocked by the garbage, is solved.

The application discloses a water gate structure stress and seepage flow intelligent monitoring system, and belongs to the technical field of water conservancy projects.The system comprises a stress monitoring module, a seepage flow collecting module and a data processing and analysis module.The stress monitoring module is used for monitoring the stress change of the water gate, including the stress change of key parts, wherein the key parts include a gate pier, a gate and a breast wall.The seepage flow collecting module is used for collecting the seepage pressure and seepage flow of the water gate.The data processing and analysis module is used for processing the stress change, seepage pressure and seepage flow, including cleaning and correction.The application can monitor the stress change of the key parts of the water gate, collect the seepage pressure and seepage flow, obtain more comprehensive and accurate monitoring data, and perform fusion processing on the data, so that the limitation of relatively independent data in traditional monitoring is broken, mutual verification and supplement among the data are realized, the safety state of the water gate is comprehensively evaluated from multiple dimensions, and the accuracy and reliability of monitoring are improved.

The present invention belongs to the technical field of river sewage purification, specifically a pulse water purification system and a river sewage treatment system and working method, including a sluice device, which is installed between the lateral banks downstream of the river, and the river water can be discharged by opening the sluice device, and at the same time, the upstream river water can be blocked by closing the valve. The present invention can perform multiple pressurized pulse purification on the river sewage, and can block and process silt, garbage and large particles to prevent blockage during pulses, so as to achieve long-term treatment of river sewage and make the downstream of the river present clean river water.

The disclosure provides a cross-river water diversion structure for collecting tail water and abandoned water downstream of a hydropower station, belonging to the technical field of hydraulic engineering. The water diversion structure comprises a water release gate, a drop well, a river-crossing box culvert, a tail water guiding assembly and an abandoned water guiding assembly. The water release gate is arranged in the tail water channel of the upper hydropower station and is used to cut off the tail water of the tail water channel of the upper hydropower station. The tail water guiding assembly is connected with the tail water channel of the upper hydropower station and is used to introduce the tail water cut off by the water release gate into the drop well. The abandoned water guiding assembly is connected with the stilling basin of the flood discharge tunnel of the upper hydropower station and is used to introduce the abandoned water of the stilling basin of the flood discharge tunnel of the upper hydropower station into the drop well. The drop well has a water outlet, and the river-crossing box culvert is connected to the water outlet and is located below the river channel and is used to introduce the water in the drop well into the water diversion system. The water diversion structure has the effects of improving the flood discharge safety of the upper hydropower station, reducing the disturbance to the ecological environment and reducing the construction cost.

The utility model relates to the technical field of water gates, and discloses an automatically adjustable water gate device which comprises a water channel, a first sliding groove is formed in the water channel, a support is fixedly installed above the water channel, and a first lead screw is meshed with a first connecting block. A fixing shaft is fixedly installed at the bottom of a second fixing plate, when the water level is too high, a floating block can be driven to rise upwards, meanwhile, when the water level continues to rise, the upper portion of the floating block can extrude the bottom of a button, the button is shrunk under the telescopic action of a spring and a telescopic rod, and therefore the button is triggered, and the water level is controlled to be adjusted. At the moment, a connecting table is connected with a first motor through a connecting line, so that the first motor is started, a first lead screw is meshed with a first connecting block, meanwhile, the first connecting block is fixedly connected with the gate through a first fixing plate, the gate is lifted upwards, and the purposes of timely draining water and preventing the situation that the farmland is submerged due to water level overflow are achieved.

This utility model relates to the field of gate technology and discloses a folding floodgate, including a gate seat. A motor is fixedly connected to the right side surface of the gate seat, and a water flow channel is opened through the front and rear of the gate seat. Support grooves connected to the water flow channel are opened on both the left and right sides of the gate seat. A gate plate is movably connected inside the water flow channel, and support members are provided on both the left and right sides of the gate plate. A positioning mechanism is provided on the upper surface of the gate seat. The positioning mechanism, which drives the positioning rod to rise and fall by a winch mechanism, makes the positioning rod press against the gate plate to form a rigid support after the gate plate is closed. This, together with the brake lock of the motor, forms a double electromechanical pressure-resistant structure, which significantly improves the stability of the gate plate against flood impact. The rising and falling of the positioning rod is automatically linked with the opening and closing of the gate plate, which ensures the mechanical reinforcement and pressure-bearing reliability when closed and avoids motion interference when opening, realizing safe and efficient coordination of flood control and rapid flood discharge.

This invention proposes a protective device and method for preventing the spread of pollutants in aquatic ecological environments, belonging to the field of ecological protection. The method includes the following steps: a water diversion channel is set up on one side of a river channel; anchor points are set up on the riverbank on the same side of the water diversion channel; a guide fluid is connected to the anchor points and allowed to float freely on the river surface; when the guide fluid is inclined at an acute angle relative to the river's flow direction, its end is anchored; the guide fluid is used to change the river's flow trajectory, causing floating debris in the water to bypass the water diversion channel. This invention uses a floating guide fluid placed obliquely on the bank, utilizing fluid dynamics principles to change the surface water flow trajectory, lifting floating debris from the inlet area of ​​the river flow rather than forcefully intercepting it. This results in minimal occupation of the river's cross-sectional area by the guide fluid, with the resulting water level rise only on the millimeter level, having almost no impact on upstream flood discharge and the water diversion capacity of the sluice gate, achieving the effect of diverting flow without obstructing water.

The utility model relates to the technical field of hydraulic engineering, in particular to a water gate door frame fixing device for hydraulic engineering construction, which comprises a concrete base, a connecting groove is arranged on the inner wall of the concrete base, a limit slot is arranged at the bottom of the inner wall of the connecting groove, and a gate frame is connected to the top surface of the concrete base. A connecting sliding base is fixedly welded to the side face of the gate frame, a limiting inserting rod is fixedly welded to the bottom face of the gate frame, a positioning bolt is arranged on the top face of the connecting sliding base, and a fixing bolt is arranged on the side face of the concrete base. The arc-shaped gate is arranged, the water inlet and the frame are arranged in a staggered mode, water flow is divided along the arc face of the gate, the frame and the connecting position are prevented from being directly impacted, the structure loosening risk is reduced, the stability of the gate body is ensured, and the sliding type filter screen frame is arranged in the gate, so that garbage impurities are intercepted during water drainage and prevented from being clamped into a gate gap to hinder opening and closing.

The present invention belongs to the technical field of island-tunnel engineering surveying, and particularly relates to a method for conducting traverse survey of immersed tunnel into the hole in island-tunnel engineering. The method includes: arranging a left out-of-hole survey station, a right out-of-hole survey station and an orientation side point outside the entrance of the immersed tunnel, and arranging a left-door survey station and a right-door survey station near the floodgate to form an out-of-hole control network; respectively arranging a left in-hole traverse network and a right in-hole traverse network in the left and right lanes, which are interconnected with the out-of-hole control network, so as to form a traverse survey network for the immersed tunnel; measuring and calculating the GNSS coordinates of the left out-of-hole survey station, the right out-of-hole survey station and the orientation side point, and then conducting traverse survey of the immersed tunnel based on the traverse survey network for the immersed tunnel. The present invention solves the problem that the floodgate restricts the traverse survey into the hole, and can ensure the traverse survey accuracy of the immersed tunnel in island-tunnel engineering.

The present application relates to the technical field of intelligent monitoring, and more particularly to a water conservancy project operation state monitoring method and system. The method comprises the following steps: real-time monitoring of corresponding water conservancy dam stress-strain data, water conservancy dam seepage pressure data, water gate opening position data, water area water level data and water area flow rate data; obtaining corresponding regional meteorological data and regional topographic and geomorphic data around the water conservancy project and conducting dam displacement analysis and water gate opening degree statistics, while conducting water area potential influence mining analysis to obtain corresponding meteorological potential factors and topographic potential factors; based on the water conservancy dam seepage displacement and water conservancy gate opening degree and in combination with the corresponding meteorological potential factors and topographic potential factors of the water area region of the water conservancy project, the corresponding operation facilities of the water conservancy project are subjected to water conservancy operation risk monitoring and emergency early warning control to generate an emergency control plan for the corresponding operation state of the water conservancy project. The present application can improve the overall operation level of the water conservancy project.

The utility model belongs to the technical field of water gates, and particularly relates to an anti-impurity water gate structure for irrigation, the structure comprises a gate, a water gate base for mounting the gate and a filtering mechanism, the filtering mechanism comprises a filtering plate and a silt collecting groove, slots are formed in the two sides of the inner wall of the water gate base, the filtering plate is inserted into the slots, and the silt collecting groove is formed in the silt collecting groove. The upstream face of the filter plate is sequentially provided with a first filter area and a second filter area from bottom to top, a plurality of filter holes are formed in each of the first filter area and the second filter area, the mesh number of the first filter area is larger than that of the second filter area, and the surface, facing the bottom face of the water gate base, of the filter plate is connected with a silt collecting tank; the first filtering area intercepts silt in water flow and collects the silt in the silt collecting tank, and a large amount of silt can be prevented from entering the irrigation area; and the second filtering area intercepts drifting garbage, it is guaranteed that enough irrigation water enters the irrigation area, the drifting garbage and silt can be rapidly cleaned by taking the filtering plates out of the inserting grooves, and the maintenance convenience of the impurity-preventing water gate structure is guaranteed.

The invention relates to the technical field of irrigation facility accessories, in particular to a channel multi-rotation type mechanical transmission control water gate. According to the channel multi-rotation type mechanical transmission control water gate, the technical problems that in the prior art, a gate is single in function, and multiple irrigation channels cannot be controlled at the same time are solved. A channel multi-rotation type mechanical transmission control and transportation water gate comprises a water outlet assembly, a water gate assembly arranged on the water outlet assembly and an upper computer controlling the water gate assembly. By arranging at least two water outlet nozzles, the number of the outer notches is equal to that of the inner notches, and the number of the outer notches is not larger than that of the water outlet nozzles, the water gate assembly can control connection and disconnection of a plurality of irrigation channels at the same time, so that the functions of the water gate assembly are increased, and the use performance of the channel multi-rotation type mechanical transmission control and transportation water gate is optimized. The water gate assembly comprises an inner gate ring with an inner notch and an outer gate ring with an outer notch, multi-direction control over water flow can be achieved, and the water gate assembly is not limited by the channel direction any more.

The invention relates to the technical field of sluice flow control, in particular to a sluice flow calculation control system, comprising a data acquisition module used for acquiring mountain farmland data; a sediment influence unit and a weather influence unit of the flow calculation module respectively calculate a corrected section area, a corrected flow coefficient, a corrected water head difference and a water evaporation amount, and calculate a final flow by combining an open channel formula in a final flow calculation unit; the water demand evaluation module establishes a farmland demand model to evaluate the water demand; the flow parameter regulation and control module optimizes the water gate opening degree and the particle speed by utilizing a particle swarm algorithm through the target function and the constraint condition; and if the optimal water gate opening degree reaches the maximum value and the water demand exceeds the final flow, the water source supply module performs supply based on the water source priority to guarantee the water demand of the farmland. The water resource utilization efficiency of the small farmland in the mountainous area is improved, and a firm and firm water conservancy foundation can be built for sustainable development of agriculture in the mountainous area.

The application discloses a kind of hydraulic dam automatic auxiliary support mechanism, including the dam seat of being installed in the water gate drain two sides, the top end of dam seat is connected with each other by mounting seat, 2 dam seat between installation has hydraulic dam body, the bottom end both sides of hydraulic dam body are rotatedly connected with dam seat inside by pin shaft, the downstream side of hydraulic dam body is provided with multiple hydraulic cylinders, the fixed connection of telescopic rod of hydraulic cylinder and the back of hydraulic dam body, the top of hydraulic dam body is connected with the auxiliary support mechanism inside mounting seat by multiple steel wire ropes.The application uses automatic steel wire rope to pull system to support the hydraulic dam that will fail or failure, simultaneously, effectively drain the excessive flood on the upstream of hydraulic dam by automatic drainage system, reduce the adverse effects of upstream water load on hydraulic dam from two aspects, improve the reliability of hydraulic dam water retaining, can guarantee the safety of the people to the maximum, with strong use value, good social and economic benefits.

The application provides a water gate buffering protection mechanism, which comprises symmetrically arranged power chambers, a flow guide strip connected between the two power chambers, a driving shaft connected between the two power chambers, a gate connected to the driving shaft, a plurality of flow buffering and guiding flow guide grooves arranged on the gate, a flow guide plate arranged on the top of the gate, and a flow disturbing mechanism arranged in the flow guide groove and used for impacting water buffering. The application utilizes the elasticity of the buffering sleeve and the transmission of water, can reduce instantaneous impact, and simultaneously cooperates with the rotating pipe water inlet and the backflow pipe water outlet to form mixed flow, reduces the force of water flow contacting the gate, protects important parts of the water gate, further increases the safety of the water gate, eliminates most of the safety hazards, simultaneously reduces the maintenance difficulty, and reduces the risk.

The invention discloses an integrated water conservancy monitoring device for a reservoir sluice pump station, and relates to the technical field of water conservancy monitoring. The device comprises a mounting base, a stabilizing mechanism is fixedly mounted at the bottom of the mounting base, the stabilizing mechanism comprises a first stabilizing insertion rod fixedly mounted at the bottom of the mounting base, a connecting plate is slidably connected into the first stabilizing insertion rod, a second stabilizing insertion rod is fixedly mounted on the connecting plate, and the second stabilizing insertion rod penetrates through the first stabilizing insertion rod and extends out; a reset spring is arranged between the connecting plate and the inner wall of the first stable inserting rod, the upper portion of the connecting plate abuts against the arc shape of the connecting rod, and the connecting rod is slidably connected into the fixing mechanism. By arranging a plurality of stabilizing mechanisms, after a first stabilizing inserting rod is inserted into the ground, when the first stabilizing inserting rod meets soft or complex terrains, a connecting rod is pressed downwards, and a second stabilizing inserting rod penetrates into the ground to enhance connection. A plurality of stabilizing mechanisms are uniformly distributed, so that stable support can be provided from multiple directions, different geologies can be effectively coped, stable installation of the device is ensured, and continuous monitoring is guaranteed.

The application discloses a water gate displacement monitoring method and system, relates to a water gate, a dam, and data processing technology, and comprises the following steps: setting deformation monitoring points on the dam on the two sides of a water gate in advance; collecting image data of the deformation monitoring points on the two sides of the water gate at fixed angles according to a set time interval, and reserving initial image data as a reference image; extracting a plurality of reference points from the reference image, and matching any image data collected subsequently with the reference image based on the reference points; calculating the deviation between the image data and the reference image; determining a first deformation variable of the deformation monitoring points in the water flow direction according to the deviation; and determining the displacement range of the water gate according to the first deformation variable. The application compares the collected image data with the initial image to determine the displacement of the deformation monitoring points in the water flow direction, so as to convert the displacement of the water gate, and the application can realize long-term and automatic monitoring of the displacement of the water gate and meet the monitoring accuracy requirement.

The invention discloses a transformer substation group flood early warning grading method based on a time dimension. The method is characterized by comprising the following steps: 1, constructing underlying surface models of transformer substations with different voltage grades by using a digital elevation model, building vector data format data, urban land utilization information and urban rainwater pipe network data; 2, collecting data such as river channels and sluices in a city, and determining the boundary of the underlying surface model; 3, obtaining a forecast rainfall process according to the weather forecast model, and calculating to obtain a forecast flood calculation result from 24 hours to 72 hours; 4, a flood forecast calculation result is corrected; 5, determining the flood influence degree according to the corrected early warning flood calculation result, and determining the flood early warning grade of the transformer substation according to the flood influence degree; and 6, correcting the flood early warning level of the transformer substation. According to the invention, fine management of the flood season of the transformer substation group is realized in flood early warning grade division of the transformer substation group, and technical support is provided for flood control and waterlogging prevention decision.