26 results about "Water safety" patented technology

A device relating to a floater for use by a non-swimmer for buoyancy comprising a floating flatbed with coded descriptions (lateral ends: front end 14, back end 12) and a plurality of paired straps with buckles (20,22) to secure the floater flatbed (10) fixed in the swimmer’s body. This is designed to keep the non-swimmer afloat while concentrating on their hand and leg exercises. The floating flatbed is wrapped either at the upper limbs posterior or anterior portion of the body; a webbing belt with safety mechanisms buckled around the body which can be fixed at the levels; waist, abdominal, and upper back (posterior) or chest part (anterior). An adjustable strap is buckled across shoulders (24, 26) to fasten the device in place below the jaw with a plane surface of a floater which allows use purposely for either supine or prone floating mechanics fundamental in learning the basic skills for any appropriate floating position. Apparently, problems like drowning and other water accidents happen in just any part of the globe usually caused by panic and water anxiety. The device contains characteristics easy for use by non-swimmers at any age level for water safety and training device for non-swimmers particularly those who manifest water anxiety. Acquired skill in floating somehow creates mental alertness as a greater opportunity for survival during atrocities.

This invention discloses a drinking water safety treatment device and method. Its structure includes a water distribution inlet, a coarse filter group, a coarse filter grid, a sedimentation group, a conveying pipe, a connecting pipe, a disinfection group, an adjustment and dosing group, an adjustment tank, a bubble separation group, a surface separation group, and a filter media group. The water distribution inlet and the coarse filter grid are integrated. The coarse filter group is assembled inside the coarse filter grid and is detachable. The sedimentation group is connected to the adjustment tank via the conveying pipe. The adjustment tank is connected to the disinfection group via the connecting pipe. The adjustment and dosing group is mounted on the surface of the adjustment tank for control. This allows for efficient separation and removal of algae, oil films, and microbubbles in the water after coarse filtration and before fine filtration. It prevents algae, colloids, and oil films from adhering to and coating the filter media surface, while also preventing bubble accumulation and retention that could cause air blockage or false blockage of the filter media. This effectively extends the service life of the filter media, reduces equipment maintenance frequency, and ensures long-term stable operation of the water treatment process.

The application provides a method for determining a scheduling mode of reservoir flood control storage capacity released in stages at the end of flood season, and relates to the technical field of reservoir scheduling. The method comprises the following steps: collecting and arranging basic data, including hydrological and meteorological data, information of flood protection objects downstream, and data of reservoir scheduling parameters; determining a release time of reservoir flood control storage capacity based on multiple factor conditions; determining a release discrimination index of reservoir flood control storage capacity according to water level characteristics of a flood control station; carrying out risk analysis and risk atlas drawing of reservoir flood control storage capacity release; and determining a recommended flood control storage capacity release scheduling mode according to the flood control risk atlas. The application determines the release time of reservoir flood control storage capacity and the corresponding discrimination index by comprehensively considering multiple factor conditions, and draws a downstream flood control risk atlas on the basis of flood regulation calculation, and finally determines the recommended flood control storage capacity release scheduling mode in stages, which is of great significance for flood resource utilization at the end of flood season, improvement of reservoir storage guarantee rate, guarantee of downstream flood control safety and water safety.

The application discloses a kind of quantitative tidal river section pollutant flux analysis method, comprising the following steps: S1, the equation of concentration variation of pollutant is established;S2, the water flux equation of river section at the time period to be studied is established;S3, based on water flux equation and the equation of concentration variation of pollutant at the section, the pollutant flux equation of river section at the time period to be studied is established;According to the pollutant flux equation, the hourly flux of pollutant at the section at the time period to be studied is calculated.The application can calculate the hourly variation process of pollutant concentration which sufficiently reflects the concentration oscillation caused by reciprocating flow by inputting tidal level and limited concentration data into the equation of concentration variation of pollutant, and based on the hourly variation data of pollutant concentration, the pollutant flux at the section at a certain time period in the future can be calculated hourly according to the pollutant flux equation, and finally the total pollutant flux at the section per day can be counted, which provides scientific support for water safety decision-making of city managers.

The application discloses a kind of water safety evaluation methods for cascade hydropower development basin, comprising the following steps: S1, first data is defined as time-varying ecological stress vector field;S2, second data is defined as initial ecological resilience potential distribution;S3, time-varying ecological stress vector field and initial ecological resilience potential distribution are coupled dynamics solved using resilience dissipation gradient field, generate the indication signal of ecological resilience dissipation gradient field sequence;S4, the target node set in ecological resilience dissipation gradient field sequence that exceeds safety threshold is extracted, and ecological discharge flow optimization instruction is generated;S5, ecological discharge flow optimization instruction is used as constraint condition to carry out iteration simulation, and the final water environment and water ecological control strategy are output;The application calculates ecological resilience dissipation gradient field to realize fine-grained dynamic early warning;Optimal release instruction is deduced in reverse relying on evolutionary algorithm, and ecology and economy are considered.

Toilet with bidet function, comprehensive: - a toilet bowl (1) having a rear top (4) and an interior (7), - a nozzle (8) which is arranged in the interior (7) of the toilet bowl, - a housing (5) having a base (15), and - a drinking water safety device (26) arranged in the housing (5), - wherein the drinking water protection (26) is connected to an inlet channel and an outlet channel, - wherein the drainage channel passes through a first opening (22) in the ground (15) and the inlet channel passes through a second opening (29) in the ground (15), - wherein the drain channel is connected to the nozzle (8), - wherein a first recess (35) through which the drainage channel passes and a second recess (36) through which the inlet channel passes are formed in the upper surface (4) of the toilet bowl (1), - wherein the first opening (22) is aligned with the first recess (35) and the second opening (29) is aligned with the second recess (36), and - wherein a leakage channel (9) extends from the housing (5) for the drainage of leakage, which extends into or over the interior (7) of the toilet bowl (1).

This invention provides an integrated hydrogen bubble water companion device, including a base and a housing. The housing is mounted on the upper surface of the base, and a main component is housed inside the housing. The main component includes an electrolytic water tank, an electrolytic cell, a circulation pump, a hydrogen mixing pump, a resin filter, and a water pump. The electrolytic water tank, electrolytic cell, circulation pump, hydrogen mixing pump, and resin filter are all mounted on the base. This invention features a compact overall structure and is equipped with an automatic rotating faucet for greater ease of use. Multiple pressure-reducing valves effectively enhance the user experience and ensure stable water output, meeting the needs of different homes and offices and offering greater applicability. Furthermore, the device is equipped with a TDS probe to accurately detect resin filter failure, thereby better ensuring water safety in the electrolytic cell and extending the device's lifespan.

This invention discloses a method for sensitively detecting water toxicity using CHO-k1 cell fluorescence and its application, belonging to the field of water safety detection technology. The method uses CHO-k1 cells as the test carrier. After cell preparation, solid-phase extraction enrichment of water samples, and exposure to toxic substances, the method simultaneously detects cell inhibition rate and intracellular reactive oxygen species (ROS) fluorescence intensity. The total fluorescence intensity is corrected by the number of surviving cells, and the relative ROS fluorescence intensity and oxidative stress impact rate (R) of a single cell are calculated to establish a four-level toxicity grading standard, enabling quantitative evaluation of water sample toxicity. The detection sensitivity of this method is far higher than traditional cytotoxicity detection methods. It can detect sub-lethal damage from low concentrations of pollutants, and the results are accurate and reliable. The operation is standardized and applicable to rapid toxicity screening and water environment health risk assessment of various water samples, including surface water, groundwater, municipal water supply, industrial wastewater, and reclaimed water.

The utility model discloses a kind of water leakage warning protection devices of water equipment, it is related to water safety protection technical field.The device includes box, main control module, water droplet sensor, water leakage protection component, alarm component and power supply unit, when water leakage is detected by water droplet sensor, the water stop of water leakage protection component is triggered by main control module Waterway is blocked, and alarm component is activated to send alarm;It is controlled by mechanical and electronic cooperation, the quick water cut-off and synchronous warning when water leakage are realized, and compact structure, response is fast, applicable to water dispenser, water purifier and a variety of water equipment, can effectively reduce the loss caused by water leakage.

This invention relates to a smart home leak shut-off system and its control method, belonging to the field of smart water safety. The system includes: a sensor unit installed in the inlet pipe, comprising at least a first pressure sensor, a second pressure sensor, an ultrasonic sensor, and a temperature sensor; an execution unit including an electric ball valve and a limit switch; and a control unit connected to the sensor unit and the execution unit, realizing a leak detection and control method based on a multi-level AI decision-making architecture. The advantages of this invention are: through multi-sensor fusion and multi-level AI decision-making, it achieves comprehensive intelligent protection from minor leaks to pipe bursts, featuring fast response, accurate identification, strong prediction, and high reliability. It effectively solves the pain points of traditional solutions, such as late detection, slow response, and numerous false alarms, providing users with 24 / 7 water safety assurance.

The utility model relates to belong to the field of livestock breeding equipment technology discloses a kind of integrated feeding device for preventing pollution and throwing and scattering of chicken, including platform pedestal, and feeding module and water module are arranged on platform pedestal;Feeding module includes the cylindrical feeding tray of top opening, the lateral wall of feeding tray is circumferentially provided with several feeding ports, and several silica gel soft curtains are circumferentially hung on the top opening of feeding tray, and the lower end of silica gel soft curtain extends downward and covers the area where feeding port is located;Storage barrel is placed in the middle of feeding tray;The inner layer of storage barrel is cylindrical storage bin, and several discharge ports are circumferentially arranged on the bottom of the lateral wall of storage bin;The outer layer of storage barrel is conical cover, and cover is above feeding tray;Water module includes annular water tank located in the periphery of feeding tray, and annular water tank is closed structure, and several drinking water components are circumferentially arranged and connected with water source.The utility model has double-layer protection structure in feeding module, to prevent feed pollution and throwing and scattering waste, and closed annular water tank guarantees drinking water safety.

The embodiment of the present application provides a water treatment device, a thermostatic valve assembly, a water path, a water-using device and a water heater. The water treatment device comprises a shell, a sterilization assembly and a scale inhibition assembly. The shell comprises a first water inlet and a second water inlet. The first water inlet and the second water inlet are communicated with each other through a flow channel formed in the shell. The sterilization assembly comprises a sterilization lamp which is inserted into the shell. The scale inhibition assembly comprises an electronic anode which is inserted into the shell. The electronic anode and the sterilization lamp are arranged simultaneously, so that the water flowing through the shell can be sterilized and descaled simultaneously. The water quality is improved and the water safety of the user is improved.

The application discloses a kind of deep confined water backfill well plugging degree composite evaluation methods, three-dimensional evaluation system covering well filter layer permeability coefficient, well loss dynamic response, unit water level backfill flow is constructed, combined with weighted geometric mean algorithm effectively analyzes the non-linear coupling relationship of multiple parameters, introduce space-time dynamic parameter matrix, innovatively time-space variable such as backfill flow, water level dynamic, well body structure parameter is included in evaluation model, the real-time dynamic tracking of plugging evolution process is realized, and the dynamic adaptability of evaluation model is enhanced.The method provides a scientific decision-making basis for groundwater overexploitation management and other scenarios, and through a multidimensional evaluation mechanism, maintenance strategies can be significantly optimized, the effective service period of backfill wells is extended, and especially under complex geological conditions, it shows excellent environmental adaptability, provides systematic technical support for deep water backfill engineering, and has important practical significance for water safety and ecological restoration engineering.

1. The name of the design product: pressure relief valve (water safety pressure relief valve). 2. The use of the design product: pressure relief valve for water supply or water treatment system, to maintain the pressure of the water supply or water treatment system stable. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application discloses a kind of multi-modal driving wearable swimmer sign perception system and method, it is related to water safety monitoring technical field, including wearable human monitoring equipment, multi-modal data fusion processing module and intelligent safety control module.Wearable equipment contains intelligent safety swimming cap and smart wristband, is equipped with multiple sensors, and data complementary correction is realized by double body temperature sensor design;Multi-modal data fusion processing module generates human state grade based on intelligent model weighted fusion after pre-processing collected data;Intelligent safety control module generates rescue operation instruction and wristband remote early warning instruction by large language model, using the logic analysis state grade of "rule matching→case analogy→instruction generation".The system can improve the reliability and accuracy of water human monitoring, realize real-time early warning and efficient rescue scheduling, and protect water personnel safety.

This invention discloses a smart toilet and its control method, relating to the field of toilet control technology. The method includes: determining water quality assessment data from the water tank based on water quality data; determining a water purification scheme for the smart toilet based on the water quality assessment data; determining a control scheme for the cleaning nozzle based on the water quality assessment data; and controlling the smart toilet to operate based on the water purification scheme and the cleaning nozzle control scheme to obtain cleaning water that meets the requirements of the cleaning nozzle. This invention can determine the water purification scheme and the cleaning nozzle control scheme based on the water quality data from the water tank, ensuring that the cleaning nozzle only outputs cleaning water that meets safe water standards and user requirements, thus protecting user water safety while improving the user's toilet experience.

The application discloses a water safety treatment equipment with disinfection function for hemodialysis, and belongs to the technical field of water treatment. The device comprises a permeation treatment box and a pre-filtering assembly. The permeation treatment box is internally provided with a permeation filtering assembly. The water inlet end of the pre-filtering assembly is provided with a water inlet pipe. The water outlet end of the pre-filtering assembly is provided with a water outlet pipe. The water inlet pipe and the water outlet pipe are both obliquely arranged. One end of the water outlet pipe is communicated with the permeation filtering assembly through a communicating pipe. The application is provided with the oblique straight pipe type water inlet and outlet and the communicating pipeline without any bend, a plurality of groups of pre-filtering tanks obliquely arranged in a staggered mode, and the arc-shaped guide plate structure at the end of the filtering tank. Therefore, the low-speed stagnant flow area formed by the pipeline without any bend is avoided, the problems of stagnant water and accumulated pollutants existing in the traditional right-angle pipeline or straight tank body are avoided, the continuous breeding of bacterial membranes is avoided, and the problem that the microorganism in the dialysis water exceeds the standard is avoided.

The utility model discloses an antibacterial PE water supply pipe material belongs to water supply pipe material technical field, and its technical scheme main points include PE water supply pipe main part, the PE water supply pipe main part includes by inside to outside setting gradually polyethylene main body layer, transition layer, reinforcing layer, anti -permeation layer and outer protective layer, the inner wall of polyethylene main body layer is provided with the antibacterial layer, releases antibacterial ion through the antibacterial layer of inner wall and inhibits bacterial propagation, and when conveying fluid, the diversion rib guides the water flow and forms micro -turbulent flow, on one hand reduces the boundary layer thickness of water flow in the vicinity of pipe wall, reduces the possibility of microorganism adhesion, on the other hand, micro -turbulent flow has strengthened the scouring effect of water flow to pipe wall, makes the microorganism adhered on the pipe wall not easy to form stable biofilm, further guarantees water quality hygiene, and utilizes anti -permeation layer and blocks oxygen to the permeation in the pipe, thereby inhibits the growth of aerobic bacteria, so three layers cooperate and cut off biofilm formation path, guarantee water safety.

The present application relates to the technical field of deep-sea mining, and particularly relates to a deep-sea mining vehicle hydrodynamic load prediction method, system, device and storage medium, the method comprising: based on a computational fluid dynamics (CFD) method, performing numerical analysis on deep-sea mining vehicle hydrodynamic parameters under different working conditions, and using an ordinary least squares method to identify a resistance coefficient and an inertia coefficient of a Morison equation. Based on the hydrodynamic basic coefficients, the load in the vertical direction and the horizontal direction of the vehicle body is corrected to obtain correction terms in the two directions, realizing the prediction of the horizontal and vertical hydrodynamic loads of the vehicle body under different immersion levels, improving the prediction accuracy of the hydrodynamic load in a complex environment, and thus improving the water safety of the vehicle in a complex free water surface environment.

The application discloses a kind of underwater defect acoustic-optical imaging semantic fusion detection methods of hydraulic structure, for underwater defect of hydraulic structure, underwater acoustic-optical imaging sensing is simultaneously obtained underwater acoustic and optical image of hydraulic structure;On this basis, acoustic semantic features in acoustic image are extracted by semantic feature extraction module, and acoustic semantic features are guided to process optical image features in optical image, when underwater defect target exists in image, defect detection result is obtained, to realize underwater defect acoustic-optical imaging semantic fusion detection, the present application is suitable for the health monitoring of various library dam system hydraulic structure, guarantee the operation safety and water safety of water conservancy project.

This invention discloses a digital acceptance method for water-resilient infrastructure based on multi-source data, integrating multi-source data such as UAV oblique photogrammetry, real-scene 3D models, DEM, DOM, hydrological and water quality simulation data, vegetation index, and socio-economic benefit indicators. By constructing a real-scene 3D model, digital terrain comparison is performed; by integrating GIS and PCSWMM models, the layout acceptance, hydrological and water quality simulation, and effectiveness assessment of water-resilient infrastructure are achieved; based on DEM and model output data, combined with Python simulation of urban flooding processes, urban flooding safety risk acceptance is achieved; and multi-source remote sensing and 3D models are used for ecological function diagnosis and comprehensive benefit calculation of water-resilient infrastructure. This invention, by constructing a full-process digital acceptance model covering water safety, water environment, and water ecology, replaces the traditional method relying on manual experience and discrete measurements, achieving objectivity, accuracy, and intelligence in the acceptance work, and improving the scientific rigor and reliability of water-resilient infrastructure project acceptance.

1. Name of the design product: water well. 2. Use of the design product: the design product is used for rural drinking water safety. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The application discloses a kind of coal mine underground reservoirs multi-reservoir coordinated emergency regulation and control method, equipment and medium, belong to mine water safety and resource utilization technical field, it is applied to the distributed system including multiple underground reservoirs and interconnection pipe network, it aims at solving the problem of insufficient emergency coordination ability and regulation and control response lag under water level overrun emergency working condition, specifically includes: determining early warning level based on real-time water level and safety water level upper threshold, and automatically matching initial emergency regulation and control mode;Corresponding emergency regulation and control model is called to carry out simulation calculation, generates emergency regulation and control scheme, and obtains predicted water level and predicted regulation and control duration;According to the prediction result, dynamically determine whether the regulation and control mode needs to be upgraded in the order of increasing regulation and control intensity, until the scheme meets the requirements after issuing execution, realize the rapid start-up and accurate adaptation of emergency regulation and control, improve the disposal ability and level of distributed coal mine underground reservoirs in response to water level overrun and other emergency conditions, and take into account the comprehensive utilization rate of mine water resources.

This disclosure provides a method, apparatus, medium, and electronic equipment for assessing the water supply safety of underground reservoirs in coal mining areas, relating to the field of water conservancy engineering technology. The method includes: obtaining assessment indicators for underground reservoirs in coal mining areas, including at least one of the following: reservoir influent safety assessment indicator, reservoir effluent safety assessment indicator, purification effect assessment indicator, reservoir monitoring safety assessment indicator, water supply capacity assessment indicator, and water supply safety assessment indicator; constructing an assessment system using these indicators; obtaining assessment values ​​corresponding to the assessment indicators; and then calculating an assessment score for the underground reservoir based on the assessment values. The assessment score is used to assess the water supply safety of the underground reservoir, ensuring water safety in coal mining areas.