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262 results about "Sluice gate" patented technology

Sediment section sluice change prediction method under influence of sluice

The invention relates to the technical field of sediment section sluicing, in particular to a sediment section sluicing change prediction method under the influence of a water gate. Acquiring a current erosion and deposition topographic sequence corresponding to the target gate at the current moment, and acquiring future rainfall-runoff data, future upstream and downstream water level difference and future tide level change data corresponding to the target gate within a future preset duration; determining future gate scheduling data corresponding to the target gate based on the future rainfall-runoff data, the future upstream and downstream water level difference and the future tide level change data; and inputting the current erosion and deposition topographic sequence, the future rainfall-runoff data, the future upstream and downstream water level difference, the future tide level change data and the future gate scheduling data into a preset erosion and deposition change prediction model, and outputting the silt fracture surface erosion and deposition change corresponding to the target gate in the future preset duration. And timely and reliable technical support is provided for hydraulic scheduling and risk management, and safe and efficient operation of the estuary tide gate is achieved.
Owner:HOHAI UNIV

Distributed water gate structure

The utility model provides a distribution type water gate structure which comprises a plurality of lifting door water gate units arranged under the water surface side by side in the width direction of a river channel, each lifting door water gate unit comprises a water gate base, a buoyancy tank steel gate and inflation and exhaust equipment, a gate bin is arranged on the water gate base, and breast walls in the length direction are arranged on the front side and the rear side of the gate bin; the buoyancy tank steel gate is installed in the gate bin and comprises a gate body and a gate top cap, the gate body is provided with an inner cavity, and a water inlet and outlet hole is formed in the lower portion of the gate body. The inflation and exhaust equipment communicates with an inner cavity of the gate body through an inflation and exhaust hose to adjust the water volume of the inner cavity of the gate body and control lifting of the gate. When no tide or water is blocked, the gate main body sinks until the gate top cap is located at the top end of the breast wall of the gate base; when water or tide needs to be blocked, the buoyancy tank steel gate is inflated and pressurized through the inflation and deflation equipment, the gate gradually ascends to the preset height under the action of buoyancy, and then the tide blocking function is achieved.
Owner:SHANGHAI WATERWAY ENG DESIGN & CONSULTING CO LTD

Sluice structure safety monitoring system and method

The invention discloses a water gate structure safety monitoring system and method, belongs to the technical field of computer communication, breaks through isolated parameter monitoring limitation, constructs multi-physics field dynamic coupling analysis capability, carries out deep fusion processing on multi-source data, improves data reliability and defect identification precision in a complex environment, and improves the safety of the water gate structure. And the use effect of real-time quantitative evaluation of the structural state is realized by utilizing the technical means of dynamic model inversion and parameter calibration, that is, a stress-deformation-leakage three-dimensional finite element coupling model is constructed, dynamic calibration of material parameters and real-time inversion of the structural state are realized in combination with long-term monitoring data, the limitation of isolation of traditional monitoring is broken through, and the real-time quantitative evaluation of the structural state is realized. And a more accurate technical support is provided for water gate safety assessment.
Owner:JIANGSU WATER CONSERVANCY SCI RES INST +1

Water gate intelligent control data real-time processing method based on edge calculation

The invention discloses a sluice intelligent control data real-time processing method based on edge calculation, and relates to the technical field of sluice control data analysis, and the method comprises the following steps: obtaining the basic feature data of a sluice, obtaining the sluice opening degree flow relation, and collecting the related data of a water body in real time; in the water gate opening or closing process, the gate passing flow under different opening degrees is collected, data preprocessing is carried out, and basic opening degree flow data are obtained; theoretical opening flow analysis is carried out to obtain theoretical opening flow data; gate blockage analysis is carried out based on the basic opening flow data and the theoretical opening flow data, and the gate blockage condition is obtained; the method is used for solving the problems that when an existing water gate control data analysis technology is used for diagnosing and analyzing the water gate blocking condition through the lockage flow, blocking abnormity and opening abnormity cannot be accurately distinguished according to the deviation between the theoretical lockage flow and the actual lockage flow in the gate opening change process, and meanwhile the blocking condition cannot be judged.
Owner:YELLOW RIVER INST OF HYDRAULIC RES YELLOW RIVER CONSERVANCY COMMISSION

Loss and fatigue monitoring method for water gate opening and closing equipment

The invention relates to the technical field of equipment monitoring, in particular to a loss and fatigue monitoring method for water gate opening and closing equipment. The method comprises the following steps that multi-mode time sequence data are synchronously collected through a vibration sensor, a temperature sensor and an acoustic emission sensor, and the multi-mode time sequence data comprise a vibration signal, a temperature signal and an acoustic emission signal; performing wavelet packet decomposition on the vibration signal, and extracting an energy ratio of a preset frequency band as a vibration energy feature; calculating a temperature rise rate and a local range of a sliding window of the temperature signal as temperature characteristics; extracting a Mel-frequency cepstrum coefficient from the acoustic emission signal as an acoustic feature; the vibration energy characteristics, the temperature characteristics and the acoustic characteristics are spliced into a multi-dimensional time sequence characteristic matrix according to time steps. According to the method, the maximum probability state transition path is solved by using the hidden Markov model, and accurate identification and prediction of the equipment loss and the fatigue state are realized.
Owner:GUANGDONG RES INST OF WATER RESOURCES & HYDROPOWER

Sluice multi-monitoring-point deformation monitoring model construction method and deformation prediction method

The invention discloses a sluice multi-monitoring-point deformation monitoring model construction method, which comprises the steps of S1, constructing a group of bidirectional analysis frameworks, and forming a two-dimensional panel by fusing time sequence data and sluice cross section data; s2, expanding the two-dimensional panel containing the time dimension and the cross section dimension to a geographic space attribute level to construct a three-dimensional panel; s3, on the basis of three-dimensional panel data representation, performing clustering analysis according to the space-time similarity of the monitoring points, constructing an information criterion to evaluate candidate clustering numbers, performing parameter calibration by adopting a random coefficient model, constructing a Gaussian mixture model in each cluster as a multi-monitoring-point model, then estimating undetermined model parameters through the random coefficient model, and performing multi-monitoring-point monitoring on the multi-monitoring-point model. The method is used for constructing a deformation monitoring model of the sluice gate and carrying out fitting and prediction capability evaluation. According to the method, collaborative modeling can be carried out on data of a plurality of monitoring points, deformation space correlation characteristics between adjacent monitoring points are represented, and the accuracy and effectiveness of sluice deformation prediction are improved.
Owner:ANHUI & HUAI RIVER WATER RESOURCES RES INST

Sluice three-dimensional deformation intelligent monitoring method based on multi-station linkage total station

The invention relates to the technical field of water conservancy monitoring, in particular to a sluice three-dimensional deformation intelligent monitoring method based on multi-station linkage total stations, which comprises the following steps: arranging a control network comprising a working base point and a checking base point in an upstream area of a sluice body, and arranging at least two automatic total stations, arranging a plurality of prism monitoring points on the gate pier to be detected; carrying out multi-measurement-back automatic observation on the prism monitoring points through the automatic total station, and collecting angle and distance observation values in real time; acquiring environmental parameters in real time based on a meteorological sensor, performing dynamic meteorological correction and network adjustment processing on observation data, and generating a three-dimensional coordinate sequence of each monitoring point; and carrying out displacement trend analysis and safety state early warning according to the three-dimensional coordinate sequence. The defects of the traditional means in the aspects of precision, efficiency and environmental adaptability are overcome, and a novel horizontal displacement monitoring technology which is high in precision and reliability and suitable for long-term automatic operation is formed. The method is mainly applied to water conservancy monitoring.
Owner:CHINA SHANXI SIJIAN GRP

Sluice pump station operation state and water regimen linkage monitoring system

The invention relates to the technical field of hydraulic engineering monitoring and control, in particular to a sluice pump station operation state and water regimen linkage monitoring system. The decision control unit is used for generating long-term prediction information and short-term prediction information based on hydrological observation data and generating control instructions of the opening degree of a water gate and the rotating speed of a water pump. The control instruction execution unit is used for executing the corrected control instruction of the water gate opening degree and the water pump rotating speed; the linkage safety interlocking unit is used for transmitting a standby pump starting instruction to the control instruction execution unit when the first condition and the second condition are met at the same time, sending a blocking signal to the tactical optimization module, and sending a release signal to the tactical optimization module after the standby pump starting instruction is executed. According to the system, low efficiency or safety risk caused by a fixed strategy and execution of wrong operation under the condition that the equipment has a fault or has a fault are avoided, and secondary damage to the equipment and interruption of system operation caused by improper control instructions are effectively prevented.
Owner:HEFEI SANGSHANG MEASUREMENT & CONTROL TECH CO LTD

Sluice foundation subsidence displacement observation device

The utility model relates to the field of sluice foundation detection, and discloses a sluice foundation subsidence displacement observation device which comprises a base, a stand column fixed in the middle of the top of the base, scale marks engraved on the side wall of the stand column, a connecting seat sleeved on the side wall of the stand column, a pointer fixed at one end of the top of the connecting seat close to the scale marks, and a circular seat fixed at the top end of the stand column. A buzzer is fixed to the top of the circular base, monitoring mechanisms are arranged at the two symmetrical ends of the bottom of the circular base, a transparent protective cover is fixed to the top of the connecting base, a monitoring camera is arranged in the transparent protective cover, and the monitoring camera and the connecting base are fixed. According to the utility model, through the combination of the monitoring mechanism and the monitoring camera, the real-time monitoring of the settlement condition of the sluice base can be realized, continuous image data can be provided, the settlement height of the foundation can be analyzed and recorded conveniently, and when the settlement of the base exceeds a set threshold value, the buzzer gives an alarm sound to remind related personnel to take measures in time, so that the working efficiency is improved. The safety is ensured.
Owner:SINOHYDRO ENG BUREAU 4

Water stop structure suitable for upper gate space of high gate with deep and thick covering layer

The utility model discloses a water stop structure suitable for an upper gate room of a high gate with a deep and thick covering layer in the technical field of engineering water stop, which comprises a plurality of gate plates, a structural seam is arranged between two adjacent gate plates, the structural seam is communicated with a water stop cavity, and a water stop device is filled in the water stop cavity. The water stop device comprises a first mortar layer, a flexible filler layer and a second mortar layer which are sequentially filled in the structural joint from top to bottom, a copper sheet water stop assembly and a water stop belt assembly are arranged on the flexible filler layer in a penetrating mode at intervals, the overall structure is large in flexibility effect, the function of adapting to large uneven deformation between adjacent gate sections can be achieved, damage is not prone to occurring, and the service life of the water stop device is prolonged. Therefore, safe operation of the water gate structure is guaranteed.
Owner:CHINA HYDROELECTRIC ENGINEERING CONSULTING GROUP CHENGDU RESEARCH HYDROELECTRIC INVESTIGATION DESIGN AND INSTITUTE

Flow guiding and intercepting device for river channel

The utility model discloses a river flow guiding and intercepting device which comprises a supporting seat, two containing grooves are symmetrically formed in the two sides of the upper end of the supporting seat, and a flow guiding flashboard is installed in each containing groove. The river channel diversion interception device has the beneficial effects that through the design of the electric hydraulic rod II, the diversion flashboard, the diversion channel, the filter cover and the diversion pipe, the river channel is intercepted and blocked by the river channel diversion interception device; the flow guide channel and the flow guide pipe can be used for draining water accumulated on the upstream of the river channel after plugging by bypassing a water conservancy construction site on the river channel through an external pipeline, so that excessive accumulation of the water on the upstream of the river channel after plugging is effectively avoided, and flood disasters caused by the fact that the river water overflows the river channel are prevented; and when the device intercepts and blocks a river channel, impurities in the river channel can be effectively prevented from entering the lower space of the interception flashboard, so that the interception and blocking efficiency of the device on the river channel is effectively improved.
Owner:ANHUI HUAIHE RIVER ENG CO LTD

Multi-sensor data fusion-based intelligent regulation and control method and system for crossing sluice gate

The invention provides a crossing sluice intelligent regulation and control method and system based on multi-sensor data fusion, and the method comprises the steps: obtaining multi-source synchronous data collected by a water level sensor, a flow sensor and a structural stress sensor; evaluating whether a gate overload risk exists in the current working condition according to the multi-source synchronous data; when the overload risk exists, the dynamic model is used for obtaining the target gate opening degree; the gate opening degree is regulated and controlled according to the target gate opening degree; and the regulated gate opening degree is obtained to optimize the dynamic model. Through multi-source sensor data fusion and dynamic model prediction control, real-time early warning and self-adaptive regulation and control of the gate overload risk are realized, a closed-loop optimization system is formed, and compared with a traditional method, the control precision is remarkably improved.
Owner:SHANDONG YISHUHE WATER CONSERVANCY ENG CO LTD

Box culvert structure for sluice pump station

The box culvert structure for the water gate pump station comprises a box culvert body, the top end of the box culvert body is connected with a top block, the side walls of the two sides of the box culvert body are each connected with a plurality of sets of bottom blocks, the side walls of the box culvert body are provided with a ladder stand mechanism, a protection mechanism is installed on the ladder stand mechanism, and the top block and the bottom blocks are perpendicularly distributed. The pedal is square, a person can conveniently step on the pedal and is not prone to slipping, then the hand can grasp the round rods located on the two sides, the hand can conveniently grab the round rods without hurting the palm, and therefore the effect of climbing use is achieved, dust and sundries are conveniently pushed out from the side hole by means of the side hole flush with the top end of the pedal, and the safety of climbing is improved. Therefore, dust and sundries are prevented from being directly pushed out from the front, and the dust and the sundries are pushed to the body of a climber.
Owner:CCCC SHANGHAI DREDGING CO LTD

Opening method of desilting bottom hole gate

PendingCN121496892ABarrages/weirsWater flowSilt
The invention discloses an opening method of a desilting bottom hole gate, which is realized through a gate body with a silt flushing function, the desilting bottom hole gate comprises a silt flushing pipeline arranged in the gate body, an inlet of the silt flushing pipeline is connected with a high-pressure water supply device on the outer side of the gate body, and an outlet of the silt flushing pipeline is arranged on an upstream face and a downstream face of the gate body. A check ring fixedly connected with the inner wall of the pipeline is arranged at an outlet of each silt flushing pipeline, and a fixing plate and a one-way opening fender are arranged on the outlet side of each check ring. The opening method comprises the steps that firstly, the high-pressure water supply device is started, the fender is opened under the action of the water flow pressure of an outlet of the silt flushing pipeline, silt deposited near the gate body is flushed away through silt flushing water flow, meanwhile, the deposited silt is disturbed, and after the opening resistance of the gate body is reduced, the gate body is opened. The operation mode that silt is flushed first and then the gate is opened is adopted, the gate opening force of the gate is reduced, the gate can be normally opened, silt in front of the gate is discharged to the downstream of a reservoir in time, and silt in a reservoir area is removed.
Owner:YELLOW RIVER ENG CONSULTING CO LTD

Local large-thickness strong-water-permeability pump station lock chamber bottom plate water stopping device

The utility model discloses a local large-thickness strong-permeable pump station lock chamber bottom plate water stopping device, and particularly relates to the technical field of lock chamber bottom plate construction in pump station water gate engineering, which comprises a U-shaped base, a rubber water stopping belt, a U-shaped plate and a steel inhaul cable connecting structure, after the U-shaped base is hoisted and spliced, the rubber waterstop is installed, finally, the U-shaped plate is installed, and the U-shaped base, the rubber waterstop and the U-shaped plate are bound and linked through the steel inhaul cable connecting structure. The U-shaped base comprises a U-shaped base steel socket, a U-shaped base rubber socket and a steel inhaul cable I; the U-shaped base steel socket comprises a steel sleeve and a concrete body, and one half of the steel sleeve is embedded when the concrete body is prefabricated and the other half of the steel sleeve extends outwards. The U-shaped base rubber socket comprises an opening and closing rubber strip and a contraction socket concrete body; the first steel inhaul cable comprises a fixed end anchor ring and a steel inhaul cable body. And the U-shaped base steel socket and the U-shaped base rubber socket are connected by adopting a steel socket technology.
Owner:FUZHOU MINJIANG LOWER FLOOD CONTROL ENGINEERING CONSTRUCTION CO LTD +2

Graded underground pumped-storage hydropower in coal mine, construction and using methods

The present disclosure provides a graded underground pumped-storage hydropower system in a coal mine, and construction and methods of use. The system comprises a surface reservoir, wherein multi-stage stepped underground reservoirs are arranged below the surface reservoir, and there is no communication between the multi-stage stepped underground reservoirs. One side of the underground reservoir on each layer is provided with a hydraulic turbine room, and an upward water conveyance passageway and a downward water conveyance passageway are arranged between the hydraulic turbine room and each underground reservoir. Additional water conveyance passageways are arranged between the hydraulic turbine rooms among the layers. During use, the present disclosure can achieve multi-grade power generation and energy storage capabilities by controlling sluice gates, adjusting water flow directions as required.
Owner:TAIYUAN UNIVERSITY OF TECHNOLOGY

A method for identifying the health status of sluice structures on rock foundations

The present invention relates to the field of artificial intelligence and data processing technology, and specifically to a method for identifying the health status of a sluice structure on a rock foundation. The method comprises the following steps: strain sensors are deployed at key locations on the surface of the sluice to collect strain data to form a training set, and the health status is annotated; the strain data in the training set is normalized using a fractional normalization strategy within a sliding time window; a health status identification model for the sluice structure on a rock foundation is constructed, and the normalized strain data is input into the model to identify the health status of the sluice structure on the rock foundation; the model is trained until preset conditions are met, at which point the training is terminated to obtain a trained model; and the newly collected strain data is input into the trained model to identify the health status of the sluice structure on the rock foundation. By capturing and analyzing weak change signals of the sluice structure, the present invention can promptly identify safety hazards existing in the sluice structure, thereby ensuring safe and stable operation of the sluice.
Owner:SHANDONG JIAOTONG UNIV +1

Anchoring type lock chamber structure scheme determining method and device and electronic equipment

The invention discloses a method and device for determining an anchoring type lock chamber structure scheme and electronic equipment, and relates to the field of shipping sluice design, and the method comprises the steps: determining a plurality of working conditions, load combinations and a plurality of calculation parameters of a lock chamber structure based on the basic scale of the lock chamber structure, and determining the scheme of the anchoring type lock chamber structure based on the plurality of working conditions, the load combinations and the plurality of calculation parameters; calculating the structural internal force of the lock chamber wall and the bottom plate under each working condition, checking the reinforcement amount corresponding to each working condition, arranging cable-stayed anchor piles at the lower parts of the lock chamber wall and the filling crest elevation, and arranging anchoring piles at the middle part and the lower part of the lock chamber bottom plate; and outputting an anchoring type lock chamber structure scheme based on an anchoring pile setting strategy, the structure internal force of the lock chamber wall and the bottom plate under each working condition, and the reinforcement quantity under the bearing capacity limit state and the normal use limit state under each working condition. The technical problems that in the prior art, an integral lock chamber structure resists the loads by increasing the thickness of a lock chamber wall, the engineering construction difficulty is large, and the engineering cost is obviously increased are solved.
Owner:WATER TRANSPORT PLANNING & DESIGN INST

An anti-leakage pond sluice in aquaculture

The present invention belongs to the technical field of aquaculture, and specifically relates to a pond sluice for preventing leakage in aquaculture, which includes a dam, a connecting mechanism, and a closing mechanism. The connecting mechanism is arranged on the upper part of the dam, and the closing mechanism is arranged on the lower part of the dam. It also includes a control mechanism for opening and closing the sluice gate. The control mechanism includes a second chute, a driving cylinder, a baffle, a water storage tank, a fixing rod, a soaking roller, and a slider. The second chute is opened in the front part of the dam, the driving cylinder is arranged inside the second chute, the upper part of the driving cylinder is connected with the slider through bolts, and the front part of the slider is connected with the water storage tank through bolts. The present invention can quickly control the opening and closing of the sluice gate by the action of the pulley and the water storage tank, and can lift the sluice gate in time to facilitate the discharge of the lower-layer water. At the same time, it can also discharge the upper-layer water under the action of the hydraulic rod and the fitting block.
Owner:GUANGXI ACADEMY OF FISHERY SCI

Water stop device on the side of the sluice

The present application relates to a side water stop device for a sluice, belonging to the technical field of gate equipment. It includes a device housing, through which a water passage opening is formed. An installation cavity is provided inside the device housing, and a water blocking plate is embedded and slidably installed in the installation cavity. A driving mechanism is connected to the water blocking plate, and the driving mechanism is used to drive the water blocking plate to slide in the installation cavity. Both sides of the water blocking plate are slidably installed in two side grooves respectively, and the two side grooves are symmetrically formed on the device housing. Side wall air bags are installed in both of the two side grooves, and the two side wall air bags are closely attached to both sides of the water blocking plate respectively. The present application has the effect of preventing water from flowing from the side to the downstream when the sluice is closed, and improving the water tightness of the gate for water blocking.
Owner:NINGBO YINZHOU WATER RESOURCES & HYDROPOWER SURVEY & DESIGN INST

Water gate anti-seepage water stop structure

The utility model belongs to the technical field of anti-seepage and water-stop structures, discloses an anti-seepage and water-stop structure of a water gate, and aims to solve the problems that according to an existing anti-seepage and water-stop structure, the bottom of the gate is sealed through a sealing air bag, although the sealing air bag can be attached to the bottom of the gate, a peristaltic pump is needed for inflation and deflation every time the gate is used, and use is inconvenient. According to the technical scheme, the cutter comprises a base, two baffles are fixedly installed on the bottom face of the base, embedded blades are arranged on the bottom faces of the baffles respectively, a first inclined groove is formed in the top face of the base, a movable plate is arranged above the base, and the bottom face of the movable plate is located in the first inclined groove and matched with the first inclined groove in a sliding mode. The L-shaped plate moves downwards to be attached to the bottom face and the right side face of the second inclined groove, the right side face of the second inclined groove and the second sealing gasket between the right side face of the L-shaped plate can be tightly attached through the downward extrusion force of the L-shaped plate, and therefore the water seepage prevention function is achieved, and the water seepage prevention device is simpler in structure and convenient to use.
Owner:HUAISHU NEW RIVER MANAGEMENT OFFICE OF JIANGSU PROVINCE

Large sluice pump station seam pier integral pouring construction machine

The utility model relates to the technical field of seam pier integral pouring construction, and discloses a large sluice pump station seam pier integral pouring construction machine which comprises a pouring construction vehicle, a protection box is arranged on the left side of the top of the pouring construction vehicle, a first motor is arranged in the protection box, and the output end of the first motor is fixedly connected with a rotating shaft. A first bevel gear is fixedly connected to the front side of the rotating shaft, a rotating rod is rotatably connected to the front side of the interior of the protection box, a second bevel gear is fixedly connected to the outer side of the rotating rod, the first bevel gear is in meshed connection with the second bevel gear, a hollow pipe is fixedly connected to the bottom of the rotating rod, and stirring blades are fixedly connected to the outer side of the hollow pipe. And a split charging mechanism is mounted on the right side of the outer wall of the pouring construction vehicle. According to the concrete stirring device, before concrete is poured, the concrete is in a standing state for a long time, the solidification phenomenon can occur, the rotating shaft is driven to rotate through kinetic energy of the first motor, and then the stirring blades are made to rotate.
Owner:JIANGSU HYDRAULIC CONSTR GRP CO LTD

Corrosion-resistant seawater sluice gate structure

The utility model discloses a corrosion-resistant seawater sluice gate structure which comprises a dam body, a fixed gate and a movable gate, the movable gate and the fixed gate are vertically spliced and located in the middle of a dam opening of the dam body, two fixing bases are installed on the top of the dam body, and a rectangular fixing frame is fixedly installed on the side, away from seawater, of the fixed gate. The fixed gate is installed on the inner side of the rectangular fixed frame and can be adjusted in a lifting mode, rotating sliding adjusting pieces are installed between the two sides of the upper portion of the rectangular fixed frame and the upper portions of the two fixed bases, and lifting rotating adjusting pieces are installed between the two sides of the lower portion of the rectangular fixed frame and the lower portions of the two fixed bases. Hydraulic telescopic cylinders are connected between the two fixing bases and the adjacent lifting rotation adjusting pieces. The corrosion-resistant seawater sluice gate structure has a lifting and overturning function and a double-layer gate adjusting structure, the gate is convenient to maintain through the gate lifting and overturning function, and the protection height of the gate can be increased through the double-layer gate adjusting structure.
Owner:GUANGDONG YUANTIAN ENG

Sluice displacement monitoring method and system

The invention discloses a sluice displacement monitoring method and system, and relates to the sluice, dam and data processing technology, and the method comprises the steps: setting deformation monitoring points on dams at two sides of a sluice in advance; collecting image data of deformation monitoring points on two sides of the water gate at a fixed angle 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 acquired later with the reference image based on the reference points; calculating a deviation between the image data and the reference image; determining a first deformation quantity of the deformation monitoring point in the water flow direction according to the deviation; and determining the displacement range of the water gate according to the first deformation quantity. The acquired image data is compared with the initial image to determine the displacement of the deformation monitoring point in the water flow direction, so that the displacement of the water gate is converted, the displacement of the water gate can be automatically monitored for a long time, and the monitoring precision requirement is met.
Owner:SHANDONG YELLOW RIVER RIVER AFFAIRS BUREAU SHANDONG YELLOW RIVER INFORMATION CENT +1

A water gate for drawing water from farmland

The present invention belongs to the technical field of sluices, and discloses a sluice for drawing water from farmland, including a concrete slab. The present invention cooperates with structures such as a foundation and a concrete slab, and according to the water pressure difference, the water on the side of the foundation always flows and pushes the water into the first water trough. The water inside the gate trough will always spray upward and be carried away by the water flowing above the foundation. The water pressure on the gate trough will prevent garbage from entering. The notch on the sealing block is connected to the second water trough. Water needs to overcome gravity to enter the gate trough upward and will also lose potential energy when it hits the bend of the first water trough. It will flow directly away through the second water trough. The suction force at the end of the first water trough increases and extracts a portion of silt, reducing the possibility of the end of the first water trough being blocked. The above-mentioned working process can effectively reduce the possibility of garbage existing in the gate trough, reduce the situation of water leakage after the subsequent gate is closed, and provide safety protection for the growth of crops.
Owner:山东黄河顺成水利水电工程有限公司

A method for monitoring the wear and fatigue of sluice gate opening and closing equipment

This invention relates to the field of equipment monitoring technology, and more particularly to a method for monitoring the loss and fatigue of a sluice gate opening and closing device. The method includes the following steps: simultaneously acquiring multimodal time-series data using vibration sensors, temperature sensors, and acoustic emission sensors, wherein the multimodal time-series data includes vibration signals, temperature signals, and acoustic emission signals; performing wavelet packet decomposition on the vibration signals to extract the energy proportion of a preset frequency band as vibration energy features; calculating the temperature rise rate and local range of the sliding window of the temperature signal as temperature features; extracting the Mel frequency cepstral coefficients from the acoustic emission signals as acoustic features; and concatenating the vibration energy features, temperature features, and acoustic features according to time steps into a multidimensional time-series feature matrix. This invention achieves accurate identification and prediction of equipment loss and fatigue state by utilizing a hidden Markov model to solve for the maximum probability state transition path.
Owner:GUANGDONG RES INST OF WATER RESOURCES & HYDROPOWER

Modular water retaining gate for water conservancy construction

According to the technical scheme, the modular water retaining gate for water conservancy construction is characterized in that the modular water retaining gate belongs to the field of water retaining gates and comprises a body mechanism, the front end of the body mechanism is fixedly connected with a supporting mechanism, the supporting mechanism comprises reinforcing baffles, the reinforcing baffles are distributed at equal intervals, the bottom ends of the reinforcing baffles are fixedly connected with inserting rods, and the inserting rods are fixedly connected with the supporting mechanism. Assembling blocks are fixedly connected to the top ends of the reinforcing baffles, and reinforcing rods are movably connected to the inner ends of the assembling blocks; by arranging the multiple reinforcing baffles, a supporting structure can be formed at the outer end of the water retaining module, positioning rods are operated to be connected with clamping grooves in a clamped mode, the reinforcing rods and the extension rods can be connected, the multiple reinforcing rods and the extension rods can be connected, the multiple reinforcing baffles can be connected in a reinforced mode, and disassembly and maintenance are more convenient and faster; according to the detachable supporting and connecting structure, the stability of each water retaining module is better, and the operation stability of the modular water retaining gate structure for water conservancy construction is improved.
Owner:QUFU DAYU WATER CONSERVANCY ENG CO LTD

A cooperative adaptive scheduling method for pumping stations based on multi-source data

PendingCN122367666AHydrometryMulti source data
This invention discloses a collaborative adaptive scheduling method for pumping stations and sluice gates based on multi-source data, belonging to the field of smart water conservancy automation control technology. The method includes the following steps: pre-extraction of situational feature parameters, including real-time collection of meteorological and rainfall forecast data, upstream water level, downstream water level, inflow into the reservoir and river, equipment operating status data, and downstream water demand commands; and construction of a comprehensive evaluation function S. This invention significantly improves the predictability and timeliness of flood control scheduling, effectively avoiding flood risks caused by sudden hydrological events. Furthermore, by setting a smoothness penalty term and a stability constraint on the actuator in the objective function, it achieves gradual adjustment of gates and pumping stations, completely solving problems such as water hammer effect and river scouring damage caused by excessively rapid actions in traditional control, ensuring the stability of water flow and the service life of water conservancy facilities.
Owner:ZHONGZI TECH CO LTD