1665results about "Water mains" patented technology

A system for AI-supported leak detection and localization in water distribution infrastructures, consisting of: a large number of distributed sensor nodes mounted along a water pipe, each sensor node comprising the following: a pressure sensor configured to measure local hydraulic pressure fluctuations within the pipeline with a resolution of at least 0.01 bar; a flow sensor configured to measure the volume flow within the pipeline with an accuracy of at least ±0.5% of the measured value; an acoustic sensor configured to detect vibration signatures caused by leaks in a frequency range between 50 Hz and 20 kHz; an embedded microcontroller with integrated analog-to-digital conversion circuitry for digitizing sensor outputs; a wireless communication module configured to transmit time-synchronized sensor data to a cloud-based processing platform; and a local energy subsystem with a rechargeable battery and an optional circuit for generating photovoltaic energy; the cloud-based processing platform includes an artificial intelligence engine that comprises the following: a data acquisition module configured to receive and decode the transmitted sensor data and to perform time alignment; a supervised learning module that is trained on historical data of flagged leaks and non-leaks to classify incoming sensor patterns; an unsupervised learning module configured to detect anomalies by modeling normal operating baselines of the pipeline; and a topology-aware localization module configured to determine leak coordinates using the topology of the pipeline network, modeling the propagation of hydraulic waves, and estimating the arrival time difference from multi-node acoustic detections; and wherein the system is configured to provide real-time leak alerts and georeferenced visualization via a remote monitoring interface.

The invention provides a photovoltaic power generation and air water taking irrigation system, comprising: a photovoltaic power generation module for generating electric energy by using light energy; the gel adsorption module is connected with the photovoltaic power generation module and is used for adsorbing water vapor in air by using gel and driving the gel to desorb and release the water vapor by using waste heat generated by the photovoltaic power generation module; the condensation water collection module is connected with the gel adsorption module and is used for condensing the water vapor to obtain condensed water; the crop irrigation module is connected with the condensation water collection module and is used for irrigating crops by utilizing the collected condensate water; the soil detection module is connected with the crop irrigation module and used for controlling irrigation according to the detected crop root system soil humidity, collaborative production of water, electricity and crops can be achieved under the condition that no external input exists in the island reef environment, and the problems that in the island reef environment, fresh water is in shortage, electricity is insufficient, and self-sufficiency of agricultural production is difficult are solved.

The invention belongs to the technical field of water supply network adjustment, and particularly relates to a water supply network pressure and flow adjusting method. The method comprises the following steps: firstly, collecting pressure, flow and water temperature data of a monitoring node at present and in a preset time period, wherein the preset time period is set according to a water consumption period; preprocessing flow data through a sliding window method and fitting a curve, and marking an instantaneous disturbance time period; the dynamic response coefficient of each disturbance time period is calculated, and water temperature correction is needed; combining the flow standard score, the dynamic response coefficient and the real-time deviation coefficient to obtain a flow dynamic regulation index; a pressure stability index is obtained through pressure and water temperature trend feature vector matching; the two are subjected to weighted fusion to form a pipe network comprehensive regulation factor, and the valve opening and the water pump power are regulated accordingly. The method can accurately identify instantaneous disturbance, improve the adjustment precision and response speed, and guarantee stable water supply.

The invention relates to the technical field of building engineering management, in particular to a building water supply and drainage system based on a building BIM (Building Information Modeling), which comprises a pipeline drawing generation module, an interface arrangement verification module, an arrangement space detection module, an operation data monitoring module and a fluid risk early warning module. According to the method, standardized drawing mapping of the pipeline trend, size and node layout is achieved through structured extraction of the BIM model, it is ensured that drawing output is complete and consistent, interface offset is automatically compared, abnormal arrangement is accurately recognized, the installation accuracy is improved, component conflicts can be pre-judged through space node clear distance analysis, field coordination is assisted, and the construction efficiency is improved. The method comprises the following steps: monitoring flow velocity pressure of a key drainage section, screening abnormal nodes, filing a hydraulic state, analyzing high-frequency risk points in a time sequence, marking continuous abnormity, providing operation early warning support, constructing drawing generation, arrangement verification, space coordination and a data feedback closed-loop process, and improving construction design accuracy and system operation stability.

The invention provides a robust control automatic setting method for a constant-pressure water supply system, and the method comprises the steps: obtaining a system working condition in real time, and extracting multi-dimensional state parameters including real-time flow, pressure deviation, current deviation and power deviation; the current load working condition is judged according to the pressure deviation, disturbance characteristics are analyzed by integrating all parameters, and the disturbance grade and type are determined. On the basis, robust control parameters are automatically set in combination with real-time working conditions, load conditions and disturbance characteristics of the system. And finally, performing multi-stage cooperative control on the system by using the set parameters, so that the constant-pressure water supply system is automatically set. According to the robust control automatic setting method for the constant-pressure water supply system, load working conditions and disturbance characteristics are recognized based on multi-dimensional state parameters, robust control parameters are self-set in a targeted mode, and automatic setting of the constant-pressure water supply system is achieved through multi-stage cooperative control. Therefore, the intelligent level of the constant-pressure water supply system and the adaptability in different operation environments are effectively improved.

The invention discloses multi-pump collaborative variable-frequency energy-saving water supply equipment and a control method, belongs to the technical field of intelligent control of water supply equipment, and aims to solve the problems of high energy consumption and poor adaptability of traditional water supply equipment. The method comprises the following steps: collecting water consumption data, extracting features through a sliding window, screening parameters through principal component analysis to construct a feature parameter set, dividing feature clustering groups in combination with time attribute clustering, and associating water consumption time periods and demand intensity grades to construct a typical water consumption mode; according to the water pump performance curve and the attenuation index, constructing an updated dynamic capability matrix; matching a target water consumption mode, screening water pumps to construct an execution pump set, decomposing a flow demand and distributing a load to generate a regulation and control instruction; and executing the instruction and counting the deviation accumulated duration, and judging whether to update the instruction. Dynamic adaptation of the water pump set and the water demand is achieved, and the water supply stability and the energy saving performance are improved.

Methods and systems for automatically mitigating risks of water damage to a property caused by insurance-related events are provided. A smart home controller and / or insurance provider remote processor may analyze data received from a smart device disposed on, within, or proximate to a property associated with monitoring water flow, as well as data received from an insurance provider. If it is determined that an actual or potential risk of water leakage exists, the smart home controller or remote processor may automatically issue commands to the smart device to take actions that mitigate the risk of water damage. The smart home controller may transmit information about the actual or potential water leakage risks and any mitigative actions to an insurance provider. The insurance provider remote processor may interpret the transmitted data and perform insurance activities, such as providing a discount or premium, and / or adjusting an insurance policy associated with the property.

The invention discloses a pipe network large circulation system for a direct drinking water pipeline, which is combined with five functional modules, namely an intelligent monitoring module, a water leakage monitoring module, a pressure adjusting module, a health assessment module and an intelligent operation and maintenance module to form a set of integrated pipe network management system based on multi-source perception, intelligent analysis and visual decision. Compared with the prior art, the system has the advantages that the accuracy of pipeline abnormity identification, the positioning efficiency of a water leakage problem, the response timeliness of pressure regulation and the scientificity of health assessment are remarkably optimized, and meanwhile, data-driven pipe network full-life-cycle management is realized through an intelligent operation and maintenance means. On the whole, the system has remarkable technical progress and application value in the aspects of improving the intelligent level of an urban water supply system, guaranteeing water supply safety and operation economy and the like.

The utility model discloses a cleaning machine. The cleaning machine comprises a water storage container, a water mixing valve, a water outlet assembly and a circulating filtering assembly, the water storage container is provided with a first water cavity and a second water cavity, the first water cavity is used for being communicated with an external hot water source, and the second water cavity is used for being communicated with an external normal-temperature water source; the water mixing valve is respectively communicated with the first water cavity and the second water cavity; one end of the water outlet assembly is communicated with the water mixing valve, and the other end of the water outlet assembly is used for being communicated with a water using end; the circulating filtering assembly is provided with a water suction end and a connecting end, the connecting end is communicated with the second water cavity, and the circulating filtering assembly is used for sucking water used for washing or other water sources through the water suction end, filtering the water or other water sources and then conveying the water or other water sources into the second water cavity. The cleaning machine provided by the utility model has high utilization rate of water resources.

The invention relates to the technical field of intelligent scheduling of water supply resources, in particular to an intelligent scheduling system and method for water supply resources in extreme weather, in which a time sequence coupling analysis unit collects pipe network pressure, turbidity and meteorological early warning data in real time, identifies the peak time period of the turbidity abrupt change rate through dual-channel verification, and sends the peak time period of the turbidity abrupt change rate to a cloud server; the dynamic strategy generation unit divides scenes according to the coefficients, starts staged pressure relief in a high-contact-ratio scene, controls total duration and single-stage pressure drop, integrates real-time compensation of flow velocity, generates a pre-pressure-relief instruction in a low-contact-ratio scene, and generates a pre-pressure-relief instruction according to the pre-pressure-relief instruction, and the dynamic strategy generation unit generates a pre-pressure-relief instruction according to the pre-pressure-relief instruction and the single-stage pressure drop in the high-contact-ratio scene. And the pipe network topology compensation correction triggering time is fused, and the execution intensity of two types of instructions is dynamically allocated in a mixed scene, so that the pipe network pressure and water quality collaborative guarantee in extreme weather is realized, and the safety and stability of a water supply system are maintained.

A control system for a plumbing fixture includes at least a network device, a plumbing fixture, and a controller. The network device is configured to detect a plurality of connections for mobile devices in an indoor space associated with the plumbing fixture. A controller configured to compare the plurality of connections to an occupancy threshold and generate a command for the plumbing fixture.

This invention discloses a wind-solar-storage multi-energy complementary water lifting and rainwater harvesting coordinated irrigation system, relating to the field of intelligent irrigation. The system includes: a power unit, a rainwater harvesting unit, a water lifting unit, sprinkler irrigation equipment, and a drone formation. The drone formation is used to fly carrying the sprinkler heads and water pipes of the sprinkler equipment under the control of the control system, and to adjust the sprinkler head's spray position under the control of the control system, and to maintain a safe distance between the water pipes in the sprinkler equipment and ground obstacles under the control of the control system. This invention can realize intelligent and low-cost irrigation for citrus planting in hillside areas.

The invention discloses a water supply pipe network dynamic pressure control method and system based on multi-parameter fusion, and relates to the technical field of water supply pipe network control, and the method comprises the steps: carrying out the standardization processing and topological optimization of pipe network geographic information system data, and constructing an urban pipe network topological graph; identifying a pressure sensitive node and a distance sensitive node based on a hydraulic calculation result of the mechanism calculation model; performing association coding on historical monitoring data of the key nodes and a topological connection relationship, and training a machine learning model fusing pipe network topological constraints; collecting real-time monitoring data, inputting the real-time monitoring data into the mechanism calculation model and the machine learning model, and respectively obtaining offline adjustment parameters and online adjustment parameters; and determining a final adjusting instruction through consistency verification to control water supply pump set equipment. According to the method, the calculation precision of the mechanism model and the response speed of the machine learning model are fused, organic unification of accuracy and real-time performance is achieved, and the control stability and reliability under the abnormal working condition are improved.

This application provides a constant pressure water supply control method, system, and medium for a standardized secondary water supply pump station. The method includes: acquiring and processing multiple historical water supply data points within a preset time period, including water supply time data, corresponding pump water supply pressure data, and user node water supply pressure data, to obtain the water supply pressure level and corresponding water supply pressure and time; processing this data in conjunction with the user node water supply pressure to obtain the pipeline pressure loss value corresponding to the water supply pressure level; acquiring and processing real-time water supply time point data to obtain the water supply pressure level, corresponding water supply pressure, and pipeline pressure loss value, to obtain the real-time demand water supply pressure of the pump; then implementing water supply and acquiring and processing real-time water supply pressure data from user nodes to obtain a real-time water supply evaluation index; finally, performing threshold comparison and adjusting the water supply mode based on the comparison results; thereby achieving constant pressure water supply and precise control of the secondary water supply while reducing energy consumption.

The utility model discloses a cleaning machine, which relates to the technical field of electric appliances and comprises a shell component, a water storage container, a water mixing valve and a water storage component. The shell assembly is used for being installed on a wall face and provided with an upper end, a lower end and a containing cavity limited between the upper end and the lower end. The water storage container is installed in the containing cavity and provided with a first water cavity and a second water cavity, the first water cavity is used for being communicated with an external hot water source, and the second water cavity is used for being communicated with an external normal-temperature water source; the water mixing valve is respectively communicated with the first water cavity and the second water cavity; the water outlet assembly is provided with a water inlet end and a water outlet end, the water inlet end of the water outlet assembly is communicated with the water mixing valve, and the water outlet end of the water outlet assembly is arranged at the upper end of the shell assembly and used for being communicated with the water using end. The cleaning machine can be directly matched with a water supply system to supply normal-temperature water and hot water, and the applicability of the cleaning machine is improved.

A pressure monitoring system for a wet barrel hydrant includes an outer housing comprising a substantially cylindrical sidewall shell and a cap coupled to the substantially cylindrical sidewall shell, a center axis extending centrally through the pressure monitoring system; a pressure sensor configured to measure a pressure of a fluid received in the wet barrel hydrant; and an antenna assembly comprising an antenna, the antenna configured to send signals representative of pressure data measured by the pressure sensor, wherein the antenna assembly is circumferentially surrounded by the cap and is axially spaced from the substantially cylindrical sidewall shell.

The invention relates to the technical field of water supply system monitoring and control, and discloses an urban and rural water supply intelligent scheduling and monitoring system based on the Internet of Things. The system multiplexes transient pressure waves generated in the system into detection signals, and performs propagation damping and reflection echo analysis on the same pressure signal sequence from a pressure sensor in parallel, so as to obtain a pressure signal sequence; according to the method, the system can be controlled to obtain physical state information of the pipe network on line, and the information is utilized to update a hydraulic model used for guiding dispatching; through a non-disturbance detection process, information about a pipe network distributed health state and a discrete abnormal point position is obtained at the same time, a basis is provided for a scheduling decision, and thus the operation state of a system is influenced.

The utility model discloses a cleaning machine. The cleaning machine comprises a water storage container, a water mixing valve and a water outlet assembly, the water storage container comprises a first water tank and a second water tank, the first water tank is provided with a first water cavity, the second water tank is provided with a second water cavity, the first water cavity is used for being communicated with an external hot water source, and the second water cavity is used for being communicated with an external normal-temperature water source; the water mixing valve is respectively communicated with the first water cavity and the second water cavity; one end of the water outlet assembly is communicated with the water mixing valve, and the other end of the water outlet assembly is used for being communicated with a water using end. The cleaning machine can be directly matched with a water supply system to supply normal-temperature water and hot water, and the applicability of the cleaning machine is high.

The invention discloses a timed and quantitative full-automatic intelligent water replenishing method and system, and relates to the technical field of intelligent water replenishment, and the method comprises the steps: generating a dynamic water replenishing control signal based on municipal pipe network pressure data, water tank liquid level height and water replenishing flow data which are monitored in real time; dividing and defining a water supplementing flow threshold range of a corresponding time period according to a preset time period, adjusting the opening degree of an electric adjusting valve based on the dynamic water supplementing control signal, supplementing water, and when it is monitored that the pressure of the municipal pipe network is lower than a preset protection threshold value, attenuating the water supplementing flow through a dynamic pressure compensation mechanism, and maintaining the stability of the pressure of the pipe network; predicting the water demand in the future time period, updating the target liquid level, and when the liquid level of the water tank reaches the target liquid level, triggering a redundancy protection mechanism to forcibly stop water replenishing. By introducing a dynamic pressure compensation mechanism, flow regulation and chaos disturbance factor feedback, the pipe network pressure stability, the water replenishing flow regulation precision and the response speed are optimized, the actual water use requirement is met, and the safety and the energy efficiency are improved.

The utility model discloses a water tank and a cleaning machine, and relates to the technical field of electric appliances, the water tank comprises a tank body, and a first water cavity and a second water cavity are arranged in the tank body at an interval; the box body is provided with a first water inlet and a first water outlet which are communicated with the first water cavity, the first water inlet is used for allowing external hot water to enter the first water cavity, and the first water outlet is used for outputting the hot water in the first water cavity; the box body is provided with a second water inlet and a second water outlet which are communicated with the second water cavity, the second water inlet is used for allowing external normal-temperature water to enter the second water cavity, and the second water outlet is used for outputting the normal-temperature water in the second water cavity; hot water output by the first water outlet is used for being mixed with normal-temperature water output by the second water outlet, hot water provided by a municipal water supply system can flow into the first water cavity from the first water inlet, the normal-temperature water can flow into the second water cavity from the second water inlet, and the water tank can be directly matched with the normal-temperature water and the hot water supplied by the water supply system. No additional heating device is needed, and the applicability is high.

Shower drain assemblies and their components are disclosed. In examples, a shower drain assembly may include a receptor, a threaded flange, a plate, and a protective cover. The protective cover may protect the plate, the threaded flange, or other components from damage. The protective cover may be installed directly onto the threaded flange or onto the plate when the plate is installed onto the threaded flange. The same protective cover can thus be used to protect shower drain assemblies at different stages of installation—whether or not trim pieces such as the plate have yet been installed.

The invention relates to the technical field of mine water treatment and utilization, and discloses a mine water resource comprehensive utilization system and method based on multi-target coupling, and the system comprises a multi-source mine water collection module which collects mine water in different underground areas; the hierarchical storage and adjustment module is used for performing hierarchical storage and adjustment on the mine water; the target guiding purification module is used for carrying out targeted purification treatment on the adjusted mine water to generate standard industrial water to be used or irrigation water to be used; the multi-scene utilization module is used for conveying the industrial to-be-used water or the irrigation to-be-used water which reaches the standard to a corresponding water utilization scene and carrying out industrial or agricultural scene water supply utilization; the intelligent coupling regulation and control center module is used for establishing a dual-objective function for maximizing the water resource utilization rate and minimizing the system energy consumption according to the monitoring state data of all the modules and the initial system control instruction and constraint conditions, and performing iterative solution by adopting a multi-objective particle swarm optimization method to generate an optimal control instruction; the utilization rate of mine water resources is greatly increased.

The invention relates to the technical field of industrial PLC control, and discloses a device control method and system based on an industrial PLC, and the method comprises the steps: constructing a device time index table and a parameter index table of a plurality of water supply devices through a main PLC; in the first function block, in combination with the parameter index table, executing load prediction, and creating an equipment load distribution scheme; inputting the equipment load distribution scheme into a second function block for encryption authentication processing to obtain a security control instruction packet; and transmitting the safety control instruction packet to an edge PLC controller, and generating a pressure abnormity judgment result and equipment fault early warning information by using the equipment time index table. The intelligent level, the operation efficiency and the safety reliability of the water supply control system are improved.

The utility model relates to the technical field of water supply equipment, and discloses non-negative-pressure water supply equipment which comprises a base plate, a vibration reduction assembly is installed at the bottom of the base plate, and a non-negative-pressure water supply assembly and a PLC control assembly are installed at the top of the base plate. According to the non-negative-pressure water supply equipment, optimization design and linkage control are integrated, the water supply stability and the anti-interference capacity are remarkably improved, specifically, the vibration reduction assembly at the bottom of the base plate gives consideration to low-frequency vibration reduction and high-frequency energy absorption, equipment operation vibration and displacement are effectively restrained, in the non-negative-pressure water supply assembly, a water pump sucks a municipal water source through a water inlet pipe, and the water supply efficiency is improved. The electromagnetic regulating valve and the pressure sensor are linked with the bypass pipeline and the one-way valve, bypass emergency pressure supplementation can be automatically switched when the pressure of a main pipeline fluctuates, the negative pressure risk is eliminated, the steady flow tank is matched with a floating valve element and an air pressure balance cavity in the vacuum suppressor, dynamic balance of water pressure is maintained, the cavitation phenomenon is avoided, the PLC control assembly can regulate and control all electrical elements in a centralized mode, and the control efficiency is improved. And intelligent start-stop and fault early warning are realized.

A pressure relief valve that is spring-activated or utilizes a burst disk is described for preventing pipe bursts in a building plumbing system. A control valve system and method for preventing pipe bursts utilizing the pressure relief valve are also described. Also described are spring-activated control valve cartridges and control valve systems utilizing spring-activated control valve cartridges that prevent pipe bursts when installed building plumbing systems. Further described are methods for preventing pipe bursts in building plumbing systems comprising the step of disposing a relief valve or spring-activated cartridge according to the disclosure in a building plumbing system.

The apparatus comprises a water tank 12 containing a volume of water, an inlet 28 to the water tank for connection to the mains water supply, a mains supply valve 14, an outlet 30 connected to the wat

The utility model discloses self-cleaning filtering equipment for a water supply and drainage system. The self-cleaning filtering equipment comprises a filtering cylinder, a conical cylinder, a blow-off pipe, a top cover, a vertical pipe, a horizontal pipe, a plurality of uniformly-distributed pipes, a water inlet pipe, a water outlet pipe, a filtering net and a plurality of high-pressure flushing nozzles, the plurality of high-pressure washing nozzles are respectively mounted below the plurality of uniformly distributed pipes; the water inlet pipe is mounted on the side wall of the conical barrel; the water outlet pipe is mounted on the side wall of the filter cartridge; second valves are mounted on the water inlet pipe and the water outlet pipe; the filter screen is horizontally installed at the bottom in the filter cartridge, and the water outlet pipe is arranged above the filter screen and located below the high-pressure washing nozzle. The top cover can be detached, the vertical pipe is installed on the top cover and can be taken down along with the top cover, in addition, the fixing ring and the supporting ring are fixedly connected through the fastening bolts, the filter screen can be detached, and the effect that the filter screen can be detached, cleaned and replaced is achieved.

The utility model provides a water supply overhaul well which comprises an overhaul well body, the overhaul well body comprises a well chamber and a well lid, a well lid support is arranged above the well chamber, and the well lid is connected with the well lid support in a sealed mode. A sump is arranged at the bottom of the well chamber, the height of the bottom wall of the well chamber is gradually increased from the end close to the sump to the end away from the sump, a water suction pump is arranged in the sump, and a water level sensor is arranged on the edge of the top of the sump. A water supply pipeline is arranged in the well chamber, and a first electric on-off valve and a flow sensor are arranged on the water supply pipeline; an information transmission module and a power supply module are arranged at the end, away from the sump, in the well chamber. The information transmission module is in communication connection with the flow sensor. The water level sensor, the water suction pump, the first electric on-off valve and the information transmission module are all in communication connection with a control unit. The power supply module is used for supplying power to the water suction pump, the first electric on-off valve, the information transmission module and the control unit. The problems that in the prior art, a municipal water supply pipe network overhaul well is large in operation and maintenance workload and high in labor cost are solved.

The wait water collection system provided herein may be used to reducing the amount of water wasted while a shower, for example, warms up. The wait water collection system may include a hot water input carrying hot water to the system. The hot water may or may not be "hot" when delivered by the hot water input and may need to "warm up." The wait water collection system may include a thermal diverter on a water line where the hot water travels, which may adjust based on whether the temperature of the hot water meets a temperature threshold. If the water does not meet the temperature threshold, then the hot water may be delivered to an expansion vessel. If the water meets or exceeds the temperature threshold, then the hot water may be delivered to a mixer valve for providing the water to a user.