2493results about "Service pipe systems" 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.

Various automated techniques are disclosed herein for monitoring and assessing real-time and future operational and health statuses of real-world assets (e.g., physical devices, components, equipment, structures, buildings, machines, infrastructure, piping systems, etc.). A monitoring system incorporates the use of intelligent Monitoring Devices for monitoring pipe systems and / or other infrastructure for leaks / issues using IoT devices and machine learning. One or more Monitoring Device(s) are attached to specific physical equipment / structure(s) to be monitored. A Monitoring Device performs comprehensive field data gathering. The collected field data is used to train a customized ML model, which is stored locally in that Monitoring Device. The Monitoring Device monitors current conditions of the pipe using various sensors, and uses its locally stored customized, trained model to perform real-time, edge-based analysis of the monitored data to identify possible issues in real-time and / or to predict future maintenance / service needs without relying on continuous cloud connectivity.

The invention discloses a water supply energy-saving safe scheduling and purification intelligent control system, and relates to the field of water supply energy-saving purification, and the system comprises a sensing module, a calculation module, an acquisition terminal, a scheduling module and a purification module.A final water demand prediction value is obtained by constructing a time-sequence-dependent water use feature set and performing prediction and error correction on an LSTM model; performing water supply energy-saving safety scheduling analysis, generating a water supply pipeline equipment control parameter combination, performing pipeline state abnormity and pipeline fluid pressure analysis, calculating a pipeline state abnormity value, performing pressure loss state change analysis when the pipeline fluid flows to obtain a pipeline fluid pressure loss value, and performing image construction to obtain a water pipeline pressure difference value; the electronic valve works according to the adjusted valve opening value through the scheduling module, and the calculation module receives the water quality data obtained by the sensing module and performs corresponding valve control and purification treatment, so that responsibility complaints of users are greatly reduced, and resource waste is reduced.

The invention provides a concrete regulation and control system and method integrating heat recovery, spraying and gradient control, and relates to the technical field of concrete curing, and the concrete regulation and control system comprises a temperature sensing element and a humidity sensing element which are mounted on reinforcing steel bars in a concrete structure in a layered manner in the depth direction; the cooling water circulating system comprises a water pump and a cooling water pipe, and the cooling water pipe is arranged in the mass concrete structure and externally connected with a variable frequency circulating pump; the double-water-tank system is matched with the heater to realize graded regulation of water temperature; the automatic spraying system is connected with the integrated electric heating module; the heat recovery and circulation assembly is connected with an outlet of a cooling water pipe in the concrete, recovers concrete hydration heat brought out by the cooling water pipe, and transfers heat of high-temperature cooling water with the temperature being 50 DEG C or above to the phase change heat storage tank; the central control unit continuously receives and records monitoring data of the temperature sensor and the humidity sensor and analyzes the monitoring data in real time, and when the temperature gradient or the humidity gradient exceeds the limit, a gradient field control instruction is automatically triggered to achieve energy efficiency maximization.

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 utility model discloses energy-saving full-automatic variable-frequency constant-pressure water supply equipment, which relates to the technical field of water supply equipment and comprises a pressure tank, a water inlet flange is fixedly arranged at the top end of the pressure tank, a water outlet pipe is fixedly arranged at the bottom end of the pressure tank, and an extension pipe is fixedly arranged at one end of the water outlet pipe. And a plurality of water pumps are arranged on one side of the pressure tank. The pressure tank and the water pump are arranged and connected in series, the water pump can pressurize water in the pressure tank in the water supply process so as to ensure that the water pressure of a pipe network is constant, and the filter screen is arranged in the pressure tank and is of a C-shaped structure, so that the water pressure of the pipe network is kept constant in the water filtering process. Impurities can be collected in the filter screen, so that the filter screen is convenient to disassemble and clean, and the design of the C-shaped structure can prevent the impurities from falling off in the disassembly process of the filter screen, so that the water quality in the equipment can be prevented from being influenced by the disassembly of the filter screen.

The invention relates to the technical field of water supply pipe networks, and discloses a multi-pump-room collaborative intelligent water supply frequency conversion regulation and control method, which comprises the following steps: initializing sensor calibration and data acquisition, generating a standardized data packet by using Kalman filtering, constructing a differential algebraic equation model, and online updating a pipe network topological characteristic matrix in combination with a mixed basis function observer. Layered optimization control and frequency conversion cooperative regulation and control are driven, 30-100ms-level real-time solution of a differential equation is realized by means of a hardware acceleration module, a three-dimensional pressure cloud picture is finally generated, and early warning is triggered based on a current harmonic threshold value. The transient fault capturing capability is enhanced by dynamically adjusting the data acquisition frequency, and the problem of signal distortion caused by traditional fixed sampling is solved; resource allocation is optimized and calculated in combination with a pipe network topology model dimension reduction technology, and calculation power waste in large-scale monitoring is reduced; and dynamic reconstruction of the model is driven by abnormal data to realize system self-adaption, so that manual parameter adjustment deviation is avoided, and the prediction precision and the diagnosis reliability are remarkably improved.

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.

An outlet box assembly includes an outlet box housing, configurable between a first and second orientation, and a funnel assembly. The outlet box housing includes a first wall portion and a second wall portion. The first wall portion includes a first socket portion, including a first knock out portion, and at least one through hole. The first knock out portion includes a first knock out body and an area of weakening. The through hole attaches a plumbing fitting to the first wall portion. The second wall portion includes a second socket portion including a second knock out portion including a second knock out body and an area of weakening. The funnel assembly has a fixed funnel portion and a funnel cover configured to be removably attached to the fixed funnel portion. The funnel assembly is configured to direct fluid to the first or second socket portion.

The invention discloses a secondary water supply end user pressure-stabilizing and energy-saving control device and method based on water consumption real-time prediction, and belongs to the field of secondary water supply intelligent control, and the device comprises an Internet of Things sensing system, a water consumption information prediction system, a secondary water supply pipe network digital simulation system, a pump set intelligent control system and a computer management and cloud platform system. Pipeline models of different buildings are obtained through rapid modeling, secondary water supply pipeline head loss values under different flow conditions are obtained by combining pressure sensing correction of the most unfavorable point based on water consumption prediction calculation, and then the pump set outlet pressure which should be met in real time under the condition that the user terminal pressure is constant is obtained. And the frequency of the intelligent control system of the pump set is dynamically adjusted, so that the outlet pressure of the water pump is optimally controlled, different water supply demands are met, frequent changes of pressure of end users are reduced to the maximum extent, and the power consumption of the pump set is remarkably reduced while the water use experience of residents is improved.

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.

The present invention is directed to a buffer (1) for storing liquid at a consumer pressure. The buffer comprises a storage volume (4) for holding a liquid and a gas. The storage volume may be separated by a partition element (5) into a liquid compartment (6) for holding the liquid and a gas compartment (7) for holding the gas. A pressurization means (8) is configured for increasing the pressure of gas in the storage volume (4) to an operating pressure when liquid is or has been drained from the storage volume (4). A ventilation means (14) reduces the pressure of gas in the storage volume (4) back to the operating pressure when the storage volume (4) is filled with liquid. Further, a water supply system (23) for an aircraft (30) comprising the buffer (1) and an aircraft (30) comprising such a water supply system (23) are described and claimed.

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.

The invention provides an air tank for relieving the positive pressure of a pipeline and an application method thereof, a first connecting pipe and a second connecting pipe are arranged between the bottom of the air tank for relieving the positive pressure of the pipeline and a pressure pipeline in a communicating mode, and a one-way damping device is installed in the first connecting pipe. The invention discloses an air tank for relieving pipeline positive pressure and an application method thereof, a double-connecting-pipe air tank with different bottom connection forms is designed, through combination with a one-way damping device, the impedance loss of the bottom of the air tank and the on-way loss of connecting pipes are changed, and the difficulty of water flowing into and out of the air tank is controlled; the water level of the air tank is adjusted, and the situation that the positive pressure in the pipeline exceeds the standard is effectively relieved. According to the method, under the condition that the size of the air tank is not changed, the phenomena that the pressure in the pipeline exceeds the standard and the water level of the air tank exceeds the range are avoided by adjusting the sizes of the connecting pipe and the valve, certain economic benefits are achieved, and support is provided for safe and stable operation and optimization of a pump station water conveying system.

To suppress danger in construction work and deterioration in workability by reducing flow passage obstruction in a sewer and an influence of a large pipe diameter with respect to a fixing jig for a sensor which measures information from the pipe bottom of the sewer.SOLUTION: A fixing jig 20 for a sensor comprises an arcuate jig body 21 fitted with a water level sensor 22, guide holes 25a, 25b formed on both sides of the jig body 21, and fixtures 23a, 23b and 24a, 24b for fitting both sides to an inner wall 3a of a sewer 3. Anchor bolts 28 embedded in the inner wall 3a of the sewer 3 are inserted into through holes 27 and guide holes 25a, 25b of the fixtures 23a, 24a and fastened with nuts to fix the fixing jig 20 to the inner wall 3a.SELECTED DRAWING: Figure 2

The invention discloses a building water supply and drainage system based on a PLM platform and a forward design method, and relates to the technical field of building water supply and drainage systems. The drainage subsystem is used for draining domestic sewage and rainwater in the building; the fire-fighting detection module is used for detecting the fire condition in the building; the intelligent control module is used for monitoring and controlling the operation states of the water supply subsystem and the water drainage subsystem; the fire-fighting detection module is electrically connected with the intelligent control module, and controls the water supply subsystem to reduce the supply amount of domestic water and increase the supply amount of fire-fighting water when detecting that a fire occurs in the building; and the PLM platform integration module is used for realizing data integration and management in the stages of design, construction and operation and maintenance. Intelligent and integrated management of the building water supply and drainage system is achieved.

The invention discloses an electrical automation energy-saving device for water supply and drainage, and relates to the technical field of electrical automation equipment, and the technical scheme is that the electrical automation energy-saving device comprises a water suction pipeline, the upper part of the water suction pipeline is fixedly connected with a filter shell, a filter plate is arranged in the filter shell, and the upper part of the filter shell is fixedly connected with a cleaning mechanism; the cleaning mechanism comprises a cleaning shell fixedly connected to the upper portion of the filtering shell, a servo motor is arranged in the cleaning shell, a worm is arranged at the output end of the servo motor and connected with a worm gear in an engaged mode, the worm gear is rotationally connected with the cleaning shell, and a second gear is fixedly connected to the side, away from the cleaning shell, of the worm gear. The cleaning mechanism can drive the moving plate to move downwards, the moving plate can drive the rubber scraping head fixedly connected with the front end to scrape downwards along the surface of the filter plate in the moving process, impurities accumulated on the surface of the filter plate can be effectively scraped off through the rubber scraping head, and therefore the situation that the filtering effect of the filter plate is affected due to impurity accumulation is avoided.

The utility model discloses a public space landscape ecological curtain wall, and relates to the technical field of constructional engineering. The ecological curtain wall comprises an ecological curtain wall assembly, the ecological curtain wall assembly comprises a curtain wall plate, a plurality of rectangular grooves are formed in the surface of the curtain wall plate, rotating plates are arranged in the rectangular grooves, clamping blocks are symmetrically arranged on the left side and the right side of the upper wall of each rotating plate, and an electric push rod is arranged above the rear end of each rotating plate. Protrusions are fixed to the rear ends of the left side wall and the right side wall of the rotating plate and are in clearance fit with the curtain wall plate. The rotary plate is folded and unfolded through the electric push rod, operation is more convenient, rainwater is collected through the rainwater collecting box to serve as a watering water source, water resources are saved, and the problems that in the prior art, a planting pot body needs to be manually operated, consequently, operation is inconvenient, and green plants are watered through an external water source in the prior art are solved. And the requirement of saving water sources cannot be met.

The disclosure is directed at a catchment basin for use in a recirculating shower. The catchment basin includes a recirculation pool area for collecting shower water and a drain area. A divider wall separates the recirculation pool area and the drain area. The recirculation pool area is at a higher elevation than the drain area such that the collected shower water travels from the recirculation pool area to the drain area.

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.