318 results about "Water safety" patented technology

The invention provides a platform technology with rich ability to flexibly perform, create, deploy, maintain, and update a wide range of panels, assay, array, and/or sequence of tests for a wide range of substances and pathogens. The invention provides a unifying framework for widely-ranging miniature sensor implementation, fluidic/gas interfacing, electrical interfaces and optical interfaces, and further by collocating, allowing the integration a large number highly-selective sensors and chemical sensors—together as needed with appropriately selected supplemental sensors (for example temperature, pH, selective ions, etc.), into a common readily-manufacturable framework. The diverse sensor arrays give rise to statistical enhancing through novel statistical processing approaches. The invention is deployable and useable in a wide range of situations previously unavailable, and addresses many otherwise problematic aspects of field testing for food safety, water safety, epidemic outbreaks, routine diagnosis, and disease monitoring.

The invention relates to a direct power-spectral method-based all-weather long drainage basin water quality monitoring and early-warning system, belonging to the technical field of water quality monitoring. The system comprises a plurality of water quality monitoring devices, a cloud data processing platform and a remote monitoring platform; the water quality monitoring devices are placed at a shoreside of a water body, a water surface buoy or other water surface platforms according to needs, used for extracting water quality data of the long drainage basin, use a direct power-spectral method to acquire an absorption spectrum of a monitored water body and sends the monitored data and water quality information to the cloud data processing platform in a wireless transmission manner; the cloud data processing platform summarizes and analyzes the received data and stores into a database; the remote monitoring platform inquires and displays the data stored in the database and realizes the real-time monitoring and early-warning for an all-weather long drainage basin water quality environment. The system can realize the online measuring, real-time monitoring, emergent early-warning, drainage basin analyzing and water environment monitoring of all weathers of the water body in the drainage basin, thus reducing the loss caused by pollution to the water body and ensuring drinking water safety.

A water safety device includes a transmitter device adapted for operation with an alarm and search console. The transmitter device includes an alerting unit and an associated activation sensor. Activation of the alerting unit results in the transmission from the alerting unit to the alarm and search console of a tracking signal. The activation sensor may be any transducer or combination of transducers capable of sensing physical phenomenon generally concomitant a fall into water from a boat or ship. The alerting unit is adapted to immediately begin transmission of a predetermined signal for tracking of the life preserver and transmitter device by the alarm and search console following activation by the activation sensor. The alerting unit may be adapted to cause automated inflation of one or more inflatable bladders upon any indication that the wearer of the water safety device has fallen from the boat or ship.

A multi-array membrane strip biosensor device (10, 20) using a fluid mobile conductive polymer as reporter is described. The biosensor device (20) is designed to detect multiple analytes at low concentrations in near real-time with an electronic data collection system. The biosensor device can be small. The device can be used to detect pathogens, proteins, and other biological materials of interest in food, water, and environmental samples. The device can also be used for on-site diagnosis and against potential bioterrorism. Potential users include food processing plants, meat packaging facilities, fruit and vegetable packers, restaurants, food and water safety inspectors, food wholesalers and retailers, farms, homes, medical profession, import border crossing personnel, and the police force, military, space habitation and national security.

A recently popular form of exercise and therapy, aquatic exercising devices present unique operating conditions to the body because of their use of water resistance and their buoyancy. By making proper use of water resistance, such devices can provide the body with excellent muscular and cardiovascular training, at the same time, the buoyancy offered by these devices eliminates the stress and injuries associated with the jarring impact of such landbased exercises as running and aerobics. It is also an object of the present invention to provide an aquatic exercise devise that is a singular unit. The inventor began attending a water aerobic class in 1995 for health reasons. Exercising in the water took most of the pain out of the movement, but the inventor found that she was still hurting herself. She sought to reach a truly weightless state in which to condition her body. She tried the various devices provided by the pool facility but none proved effective in granting her the non-impact workout she was determined to find. With a problem to solve the inventor experimented, altered and designed a new and improved floatation device that is uniquely different in its adaptability to numerous applications. A uniquely different floatation device this invention goes beyond the restrictive designs of prior art designed to address one or another aspect of aquatic safety, exercise, rehabilitation or recreation. This invention adapts to usage in a multitude of expressions from water yoga, a unique synergy of ancient eastern culture and modern day technology; to aqua aerobic exercises incorporating cardiovascular enhancement activities; rehabilitation of physical injury or illness; as well as addressing the basic aspects of water safety and learning how to swim. A floatation device for various exercises, instruction, rehabilitation, therapeutic and/or recreational purposes; this invention provides floatation support as no other product on the market because of its unique design and flexibility and the multiple number of ways in which it can be used. With this invention its possible to float supine, moving through various water yoga relaxation movements and stretches; ride it like a bicycle seat; sit on it like a swing; wrap it around the torso and clip it on for deep water workout and/or for those who are uncomfortable in water, but who must get in for health and/or rehabilitation purposes; hold it with hands; slip it under arms, front to back, or back to front; all to move through various exercises for health, rehabilitation and fun. The variation is used to provide superior floatation in a clip on style. With this invention secured around the torso, up the chest and around the back of the neck, the wearer is provided with no-hands support. While wearing the invention the wearer can float forward to swim and learn strokes; tread water in an upright position; and/or float supine; all with complete range of motion of limbs and/or torso. This variation of the invention can be utilized in swimming instruction, pool safety, rehabilitation, recreation, instruction and general poolside safety.

A membrane strip biosensor device (10, 20, 100) using a fluid mobile conductive composition of ferromagnetic particles bound to a conductive polymer bound to a capture reagent is described. The biosensor device is designed to detect analytes at low concentrations in near real-time with an electronic data collection system and can be small. The device can be used to detect pathogens, proteins, and other biological materials of interest in food, water, and environmental samples. The device can also be used for on-site diagnosis and against potential bioterrorism. Potential users include food processing plants, meat packaging facilities, fruit and vegetable packers, restaurants, food and water safety inspectors, food wholesalers and retailers, farms, homes, medical profession, import border crossing personnel, and the police force, military, space habitation and national security.

A water safety device includes an inflatable vest and a remote monitor. A pulse sensor is monitored and compared with a predetermined value. When the threshold is exceeded, the vest is rapidly inflated and an alarm is transmitted to the remote monitor.

The invention belongs to the environment engineering field and in particular relates to a recycling combination treatment method for regeneration water with high safety. The combination of the recycling combination treatment method of the invention for the regeneration water is that secondary effluent of sewage treatment plants or water reaching to the quality requirements of the similar water is used as the water source and is reused after the ozone pre-oxidation, the coagulation, the precipitation, the sand filtration, the micropore filtration, the ozone oxidation, the activated carbon adsorption and the disinfection. The invention has the characteristics of strong adaptability to the quality change of the effluent, flexible operation mode, high regeneration water effluent safety, good effluent quality and easy user acceptance. The misgivings of regeneration water users on the water safety can be reduced, which is beneficial to the development of the regeneration water market.

The invention discloses a method for disinfecting filtered water from a water plant with cooperation between medium-pressure ultraviolet catalyzing peroxymonosulfate and chloramines. The method includes following steps: adding peroxymonosulfate to outlet water from a water plant filtering tank to obtain a mixed solution with a concentration being 0.2-0.4 mmol/L through a tubular mixer; performing disinfection to the mixed solution in a medium-pressure ultraviolet disinfecting reactor, wherein an addition dosage of the medium-pressure ultraviolet is 10-20 mj/cm<2> and a disinfection time in the reactor is 5-10 min; and adding 0.3-0.4 mg/L chloramines to an end of the ultraviolet disinfecting reactor to complete the disinfection with cooperation between medium-pressure ultraviolet catalyzing peroxymonosulfate and chloramines. By means of the method, a cooperative effect of medium-pressure ultraviolet, peroxymonosulfate and chloramines fully works so that bacteria and microorganisms can be controlled in high efficiency and a reagent addition dosage and disinfection by-product can be reduced. Sustainability of disinfection and sterilization of water in a following water supply network can be ensured and drinking water safety can be ensured.

The invention discloses an electric water heater water output power-off control system capable of preventing misoperation. The electric water heater water output power-off control system is characterized in that the system comprises a tripolar electric leakage protection plug power line capable of automatically resetting, an electric water heater master controller, an isolation communication module and a water flow sensor; the tripolar electric leakage protection plug power line is connected to a power supply line of an electric water heater; the electric water heater master controller is connected with the water flow sensor and connected with the tripolar electric leakage protection plug power line through the isolation communication module; and on-off of three poles of the tripolar electric leakage protection plug power line is controlled by the electric water heater master controller according to signals provided by the water flow sensor. In the electric water heater water output power-off control system, the isolation communication module controls on-off of the three poles of the electric leakage protection plug power line according to the magnitude (threshold conditions) of water flow signals detected by the water flow sensor, and misoperation of the electric leakage protection plug power line can be avoided on the premise of guaranteeing water safety of a user.

The invention provides a drinking water disinfecting and purifying plant used for centralized water supply in a residential area, which belongs to the field of advanced oxidation technology application and drinking water safety guarantee technology. On the basis of the principles of advanced oxidation technology, the plant employs the negative pressure suction effect and the hydrodynamic cavitation effect of a hydrodynamic cavitation gas-liquid mixing and dissolving device for high-efficiency mixing and dissolving of high-concentration active oxygen particles generated in a non-equilibrium plasma reactor and to-be-treated water in the hydrodynamic cavitation gas-liquid mixing and dissolving device so as to reinforce a chain reaction where hydroxyl radicals form and to promote generation of high-concentration active oxygen particles like the hydroxyl radicals, and employs a microporous aerator to reinforce the effect of uniform mixing and dissolving of the to-be-treated water and the high-concentration active oxygen particles like the hydroxyl radicals; thus, regular disinfection, sterilization and purification of centralizedly supplied drinking water in the residential area are realized in virtue of the advanced oxidation technology, excellent water quality of effluent is guaranteed, tap water from municipal pipelines is highly efficiently and rapidly converted into direct drinking water, safety of centralizedly supplied drinking water in the residential area is ensured, and the quality of domestic drinking water in residential areas in cities and towns is improved.

The invention relates to a preparation method of a bone char fluoride removal agent loaded with aluminium ions, belonging to the field of drinking water fluoride removal treatment. In the method, bone char of certain mass is put into an aluminium salt solution of certain volume; the mixture of the bone char and the aluminium salt solution is oscillated for certain time under certain condition; the bone char is taken out, washed by clear water and dried under room temperature. The mass ratio between the bone char and the aluminium salt solution is 1:8-1:12. The condition of the oscillation is as follows: the bone char and the aluminium salt solution is fully mixed in the process of oscillation, the time of oscillation is not less than 24h, the temperature of the mixture is kept at 20-40 DEG C during oscillation. Batch adsorption tests show that the adsorption capacity of the aluminium-loaded bone char fluoride removal agent is 60% higher than that of ordinary bone char fluoride removal agents. Used in the areas taking high-fluoride ground water as drinking water resource, the fluoride removal agent can effectively ensure the residents with drinking water safety, reduce the cost for producing water and the workload of daily maintenance of water supply engineering simultaneously.

The invention discloses a one-piece filter bottle. The filter bottle comprises an upper cover, a bottle body, and a filter core, and is characterized in that the filter core is arranged in the bottle body, and then is melted and integrated with the upper cover. The one-piece filter bottle has the advantages that: filter core can be directly changed without shutting off the water source, water leakage will not happen during the changing process, and thus the water safety for consumers is guaranteed.

The invention relates to a device and a method used for safe disinfection of drinking water, wherein the device comprises an insulating cylindrical reactor with a cover, a pulse power supply and an aeration device for aerating air or oxygen, wherein the center of the reactor cover is provided with a needle electrode, a cylinder electrode is attached to the inner wall of the reactor, the cylinder electrode and the needle electrode are respectively connected with an anode and a cathode of the pulse power supply, the reactor cover is provided with a vent hole, and the bottom of the reactor is provided with an air inlet which is connected with the aeration device. The device has simple structure and convenient operation, which can fluidify active carbon through aeration. The active carbon can be enriched with bacteria, and a catalyst loaded on the surface of the active carbon can effectively improve the yield and utilization rate of the active substances when a pulse plasma discharges, thus reducing the operational cost.

The invention relates to an intelligent software and hardware integration method for a water purifying device. The method comprises: firstly an intelligent main control board is embedded in the water purifying device; a web, a wechat/APP and a backup server are constructed at an internet human-computer interaction end; the intelligent main control board is communicated with a cloud intermediate layer by utilizing a GPRS module; the cloud intermediate layer connects a cloud server; the cloud server connects the web end, the wechat/APP end and the backup server; the intelligent main control board collects information of the water purifying device via the internet of things technology, transmits the information to the cloud intermediate layer via the TCP/IP protocol by utilizing the GPRS module, automatically analyzes the information of the water purifying device and transmits the analyzed information to the cloud server; and the cloud server calculates the information and pushes the calculation result to the wechat/APP end or the web end to be displayed, so that a user handles the state of the water purifying device at first time and performs corresponding operations. According to the intelligent software and hardware integration method for the water purifying device, the user can more conveniently, intuitively and comprehensively know all drinking water safety information and guarantee water purification quality and use safety.

A personal water safety device comprising a strap and a housing secured to the strap. The housing releasably encloses a bladder and an inflation assembly. The bladder completely encloses the inflation assembly. The inflation assembly includes a gas container that provides gas to the bladder to inflate the bladder upon the selective deployment of gas from the gas container. The strap keeps the bladder secured to a user's appendage before and after inflation of the bladder.

A counterweight assembly is provided to enhance heads up surface positioning of a person. The assembly includes a weight/ballast member strategically disposed on a cylinder/tank worn by a diver during a dive. The weight member can be attached by several different embodiments. Preferably, the weight member is attached such that the diver cannot release or adjust the weight member while he or she is diving. The weight member rotates the person to ensure heads up surface positioning in the event the person becomes incapacitated. Also provided are several other water safety and survival devices. Also disclosed is a combined ballast and signaling device preferably neutralized by attachment to an eccentrically buoyant personal flotation device.

The invention discloses an urban water surface rate planning method based on water safety. The urban water surface rate planning method comprises the following steps: measuring DEM terrain elevation data; defining rainwater management and control subareas; establishing a hydraulic model, and identifying a ponding area; defining the waterlogging risk level of each rainwater control subarea according to the waterlogging area proportion; checking and calculating the rainstorm runoff through the regional rainstorm parameter atlas; and calculating the water storage volume and the water surface rate. According to the method, the area, depth and waterlogging risk of the ponding area of each rainwater control subarea are fully considered, the maximum water area and water surface rate based on water safety are calculated according to urban rainstorm data and urban water storage, and the method is high in operability, reasonable in result and extremely high in reference. Model calculation, rainfall flood calculation and water level safety calculation serve as main means and serve as important supports for urban water safety layout planning and scale design, and scientificity of urban water safety planning is improved.

The invention relates to a water heater with an anode rod consumption alarm indication function, which comprises an anode rod arranged in an inner container, and a switch controller comprising a signal preprocessing circuit, a signal conversion circuit, a single chip microcontroller, an alarm indicator, a water quality sensor and a temperature sensor, wherein the switch controller is arranged in the water heater. Through the detection of water quality, the quality of water used by the water heater is judged, the consumption time of the anode rod in different water quality is analyzed according to the judgment result, and users are timely reminded. Accordingly, the users can know and master the current use situation of the water heater, the consumption degree of the anode rod and whether the anode rod needs to be replaced or not in real time. The service life of the water heater is greatly prolonged, and the use safety for the users is improved. The users can timely know the use situation of the anode rod, so that the hidden danger of water safety brought by the complete consumption of the anode rod is avoided.

A waterski (100) having one or more nozzle covers that protect a waterskier without an extended transition surface or a shortened transition surface. The water ski facility (100) consists of a plurality of modules (211, 212, 213, 214, 215, 216, 217 and 218) and other incidental components for easy transport between different locations by truck, train or other means of transport. The sliding nozzle cover (150) enables the water skier to safely slide through the nozzle or water gate area without being injured or affecting the normal progress of water skiing activities. The nozzle guard (150) is constructed of contoured, flexible sheet material that can be extended to cover the upper surface of the nozzle/water gate (130). A soft downwardly curved tongue (160) is provided which blocks the flow of water (138) and prevents a potentially injurious collision of the waterskier with the nozzle area. The shape of the tongue (160) also provides a shorter transition surface for a water skier to safely slide over. The combined use of the fixed deck (190) and the nozzle cover (150) enables the water skier to perform various new and more exciting water skiing and surfing actions.

The invention discloses a disassembly-free water stopping structure of a filter. The structure is characterized by comprising a barrel cover, a filter bottle, and a filter core; the barrel cover is provided with a water inlet and a water outlet; a bump is arranged on the filter bottle; a groove is arranged on the barrel cover; a sealing member is arranged on the filter bottle; the filter bottle can be screwed into the barrel cover; the water inlet and the water outlet in the barrel cover are both provided with an elastomer; and a water inlet piston and a water outlet piston are arranged in the barrel cover. Water flows into the water inlet piston and the water outlet piston from the water inlet in the barrel cover, then the water inlet piston and the corresponding elastomer are pressed into the barrel cover, the water outlet piston and the corresponding elastomer are pressed into the barrel cover too; wherein the water inlet piston and the water outlet piston are both provided with a sealing member. The disassembly-free water stopping structure of a filter has the advantages that: filter core can be directly changed without shutting off the water source, water will not leak during the changing process, so that the water safety is guaranteed for consumers.

The invention discloses a graphene base TiO2 nano-composite material capable of removing humic acid in rural drinking water, and a preparation method thereof. The preparation method is characterized in that ammonium hexafluorotitanate is taken as a raw material, graphene oxide prepared with a hummers method is taken as a carrier, and the graphene oxide and the ammonium hexafluorotitanate are mixed through a hydrothermal method to carry out hydrothermal conversion so as to prepare the graphene base TiO2 nano-composite material. The preparation method has the advantages of simple preparation technology, abundant raw materials, environment protection, low cost and high cost performance and does not need expensive equipment, and a preparation process is free from environment pollution. The graphene base TiO2 nano-composite material has a larger specific surface area, more organic matters can be adsorbed, no environment pollution is in the presence in a use process, the removal efficiency of organic matters is high, a powerful support is provided for drinking water safety and environment water body protection, and the graphene base TiO2 nano-composite material can be widely applied to the practical removal of the humic acid in the drinking water.

The invention discloses a preparation method of a positive electricity/negative electricity Janus nano-filtration membrane and belongs to the field of preparation of nano-filtration membranes. The preparation method comprises the following steps: 1, uniformly coating one side of a porous base membrane with a sodium polyacrylate/polyvinyl alcohol solution to form a membrane; 2, carrying out crosslinking by utilizing a crosslinking agent; 3, coating the other side of the membrane with a dopamine and polyethylenimine solution; taking out the membrane and washing with distilled water; 4, immersingwith isopropyl alcohol. The membrane prepared by the preparation method can realize efficient separation of high-valence and monovalence ions with the same charge property; the membrane can be used for effectively removing metal ions in water and hardness and a novel concept is provided for solving the problem of drinking water safety.

A water safety garment and apparatus configured to avoid drowning can be configured to permit submergence for a predetermined period of time without inflation. After the predetermined time has passed, the garment or other apparatus can be configured to inflate to help a person wearing the garment float on top of the water to avoid drowning or other potentially harmful condition that may result from being underwater for too long. In some embodiments, a circuit may be utilized to detect the submergence condition of a person wearing the apparatus or garment. Upon a determination that the detected submergence condition has occurred continuously for a pre-determined period of time, an inflation mechanism can be actuated to force the person wearing the apparatus or garment to float to the top of the water.

The invention discloses a water dispenser monitoring system and method with a filter cartridge monitoring function. The water dispenser monitoring system comprises a first TDS detector, a second TDS detector, a flow sensor, a processor, a communication module and a service terminal, wherein TDS detection is performed by the first TDS detector and the second TDS detector, the first TDS detector detects water quality before filtering, the second TDS detector detects water quality after filtering, third water quality data is obtained by comparing two groups of water quality data, flow data is acquired by the flow sensor, the third water quality data and the flow data are subjected to inductive analysis with default, and an alarm signal is produced according to an analysis result; the processor transmits the alarm signal to the service terminal through the communication module, and the service terminal performs alarm and display. The water dispenser monitoring system and method monitors a filter cartridge of a water dispenser precisely, a user is reminded timely to replace the filter cartridge when the filter cartridge of the water dispenser is abnormal, misoperation made during anomaly of single detection data is avoided, and drinking water safety is guaranteed.

The invention relates to a river and lake water system comprehensive cooperative scheduling system and a scheduling method thereof, which adopt a mode of combined solution of a drainage basin water quantity and quality mathematical model and a water resource multi-target cooperative combined scheduling model to perform decision optimization of a drainage basin combined scheduling scheme. The TaihuLake basin water resource joint scheduling decision-making system capable of guaranteeing water safety is formed by constructing a basin water resource multi-target cooperative joint scheduling model, expanding and perfecting scheduling target management, scheduling scheme analysis and other functions on the basis of an existing basin river network water quantity and quality mathematical model, developing an optimization decision-making module and a corresponding interface and coupling the optimization decision-making module and the corresponding interface. A scheduling scheme set satisfyingmultiple goals of a drainage basin and a region is proposed; different scheduling scheme sets are simulated by a drainage basin water quantity and water quality mathematical model, a water quantity and water quality simulation result is used as input of a water resource joint scheduling decision, and optimal decision of a drainage basin water resource multi-target cooperative joint scheduling scheme is realized through calculation and evaluation of a joint scheduling decision model.