3628results about "Water conservation" patented technology

To provide a steam distillation system for producing clean water by purifying water.SOLUTION: A fluid steam distillation system is provided, the system comprises: a control system for controlling the fluid steam distillation device, the control system comprising, a release valve, a raw material flow controller for controlling a raw material flow rate valve, and a discharge level sensor connected to the release controller and the raw material flow rate controller. The discharge level sensor transmits a signal related to a discharge level to the discharge controller and the raw material flow rate controller which indicates the discharge level, the raw material flow rate controller drives the raw material flow rate valve on the basis of at least the discharge level sensor signal. The discharge controller drives the discharge valve on the basis of at least the discharge level sensor signal, and the discharge level and the raw material flow rate level are held by using the discharge level sensor signal as input.SELECTED DRAWING: Figure 75

The invention relates to the technical field of data statistics, in particular to an intelligent water meter missing data complementation method and system.The intelligent water meter missing data complementation method includes the steps that initial segmentation points of a water consumption data curve are determined by analyzing the slope change condition of the water consumption data curve, and the variation index of the initial segmentation points is further analyzed to determine segmentation points of the water consumption data curve; performing clustering analysis on all segmentation points in the water consumption data curve of the user in all days, and constructing a standard water consumption data curve of the user based on a clustering result; and respectively using a Bezier curve fitting method and a regression analysis method, and combining the change trend of the standard water consumption data curve to carry out data completion on the missing data segment. Through the method and the system provided by the invention, complementation data which conform to the overall trend and are in smooth transition can be obtained, the integrity and the accuracy of the data are remarkably improved, and a more reliable data basis is provided for subsequent water resource management and decision support.

The invention relates to the technical field of error verification, and particularly discloses an error verification method and system for an intelligent water meter, which adopts a neural network model based on deep learning to carry out fine-grained time sequence feature extraction on time sequence data of temperature and pressure of a water body flowing through a multifunctional intelligent water meter in a target time period; according to the method, the time sequence change mode of the water body temperature and the pressure in each local time domain is captured, time sequence integral coding is carried out on the time sequence change characteristics of the water body temperature and the pressure in each local time domain to understand the time sequence accumulation effect of the water body temperature and the pressure on the water consumption in the global time domain, and intelligent prediction of the water consumption is achieved. And error verification is carried out on the intelligent water meter according to the difference between the prediction result and the measured value of the water meter. In this way, the measuring error of the intelligent water meter can be reflected more accurately, and then the error checking precision and the intelligent level of water affair management are improved.

The invention relates to an intelligent water meter warning method and system, a terminal and a storage medium, and relates to the technical field of water meters, and the method comprises the following steps: obtaining a water volume real-time detection value on a water meter and a water pressure detection value collected by a water pressure detection device preset on the water meter; calculating a difference value between the water pressure detection value and a preset water pressure reference value and taking the difference value as a water pressure deviation value; analyzing and determining a water pressure reference deviation interval according to the water volume real-time detection value; judging whether the water pressure deviation value falls into a water pressure reference deviation interval or not; if yes, continuing to obtain a water volume real-time detection value and a water pressure detection value; if not, water leakage early warning information is analyzed and determined according to the water pressure deviation value and the water pressure reference deviation interval, and the water leakage early warning information is output to the terminal held by the manager. The water leakage early warning device has the effect of conveniently and timely carrying out early warning on the water leakage condition.

An atmospheric water generation system comprises water vapor consolidation systems configured to increase the relative humidity of a controlled air stream prior to condensing water from the controlled air stream. The water vapor consolidation system comprises a fluid-desiccant flow system configured to decrease the temperature of the desiccant to encourage water vapor to be absorbed by the desiccant from an atmospheric air flow. The desiccant flow is then heated to encourage water vapor evaporation from the desiccant flow into a controlled air stream that circulates within the system. The humidity of the controlled air stream is thereby increased above the relative humidity of the atmospheric air to facilitate condensation of the water vapor into usable liquid water.

The invention relates to the technical field of remote water meter abnormity early warning, and discloses a remote water meter abnormity early warning method and system based on historical water volume, and the method comprises the steps: dividing a user water meter into three classes A, B and C according to the installation time of the user water meter, and employing a differentiated abnormity detection strategy. For the A-type users, establishing a water consumption prediction model based on historical consumption data of the A-type users; for the B-type users, finding similar reference water meters from the A-type users by using a K-means clustering algorithm; and for the C-type users, monitoring whether the accumulated water consumption for continuous N days is completely equal or not after the C-type users are installed. After real-time usage data is obtained, usage deviations of various users are calculated respectively, if the deviations exceed a set threshold value, abnormal early warning is triggered, and the early warning level is dynamically adjusted according to the number of abnormal duration days. According to the method, technologies such as machine learning and clustering analysis are comprehensively utilized, a set of comprehensive, flexible and efficient water consumption abnormity early warning system is constructed, and the refinement and intelligence level of urban water supply management can be remarkably improved.

β-Ketoenamine covalent organic frameworks (COFs) provide remarkable water sorption capabilities and stable adsorption–desorption cycling, particularly under low relative humidity (RH) conditions.

The invention discloses an ultrasonic water meter measurement correction method based on fluid parameter coupling. The method comprises the following steps: collecting multiple parameters in real time; dynamically matching fluid physical property parameters; calculating a dynamic correction factor; and sound velocity temperature correction and flow output. The multi-parameter coupling correction enables the measurement precision to be obviously improved, the applicability is wider, and the real-time performance and the stability are stronger; the problems that according to an existing ultrasonic water meter temperature compensation scheme, the nonlinear influence of fluid viscosity change caused by temperature change on the sound velocity is not considered, the coupling effect of flow velocity distribution and the Reynolds number (Re) is ignored, and errors are obvious in the scene of high-viscosity fluid (such as oil-water mixed liquid) are solved.

An atmospheric water generation system comprises water vapor consolidation systems configured to increase the relative humidity of a controlled air stream prior to condensing water from the controlled air stream. The water vapor consolidation system comprises a fluid-desiccant flow system configured to decrease the temperature of the desiccant to encourage water vapor to be absorbed by the desiccant from an atmospheric air flow. The desiccant flow is then heated to encourage water vapor evaporation from the desiccant flow into a controlled air stream that circulates within the system. The humidity of the controlled air stream is thereby increased above the relative humidity of the atmospheric air to facilitate condensation of the water vapor into usable liquid water.

The invention provides a constant-pressure water supply control method and system for a secondary-supply standardized pump room and a medium. The method comprises the steps that multiple historical water supply data including water supply time data, corresponding water pump water supply pressure data and user node water supply pressure data in a preset time period are obtained and processed, a water supply pressure grade and corresponding water supply pressure and water supply time are obtained, and processing is carried out in combination with the user node water supply pressure; the method comprises the steps of obtaining a pipeline pressure loss value corresponding to a water supply pressure grade, obtaining and processing real-time water supply time point data, obtaining and processing the water supply pressure grade, the corresponding water supply pressure and the pipeline pressure loss value, obtaining and processing real-time required water supply pressure of a water pump, then supplying water and obtaining and processing real-time water supply pressure data of a user node. Obtaining a real-time water supply evaluation index, finally carrying out threshold comparison, and controlling the adjustment of a water supply mode according to a comparison result. Therefore, constant-pressure water supply and accurate control of secondary water supply are achieved, and meanwhile energy consumption is reduced.

The invention discloses a self-adaptive metering method of an ultrasonic water meter, which relates to the field of water meter metering, and comprises the following steps: acquiring real-time water temperature data and real-time flow velocity data of a measured fluid, compensating the sound velocity of ultrasonic waves based on the real-time water temperature data to obtain a first compensated sound velocity, based on the first compensation sound velocity, an excitation voltage self-adaptive adjustment strategy with ultrasonic wave head-wave ratio regulation and control and a measurement frequency dynamic regulation and control strategy are executed, secondary compensation is conducted through a built error curved surface compensation model with the water temperature and the flow velocity as indexes, and the initial flow value is corrected through an error compensation value; by means of multi-parameter collaborative real-time optimization, high-precision measurement and low-power-consumption operation under all working conditions are achieved, the measurement precision in the full-scale and full-temperature range is remarkably improved, and by intelligently adjusting the measurement frequency, cooperating with the flow rate change rate and error model feedback and dynamically balancing the dynamic response speed and static power consumption, the measurement precision is improved. And finally, double optimization of precision and energy efficiency is achieved.

The invention discloses an indoor water tank sediment pushing characteristic acquisition system and method, the system mainly comprises a water tank main body, a buffer unit, a drainage adjusting unit, a sediment throwing device, an imaging unit, an adjustable support and a data processing unit, and according to the method, non-contact data acquisition is carried out through a high-definition camera and a three-dimensional terrain measuring instrument; automatic identification, parameter extraction and migration speed calculation of landforms such as sand waves are achieved, the sediment bed surface is not touched in the whole process, damage to the bed surface form caused by traditional contact type measurement is eliminated, and the authenticity and reliability of data are ensured. Meanwhile, the buffer design of the combination of the flow slowing plate and the multi-stage water baffle is adopted, the kinetic energy of water flow is effectively dissipated through the graded water outlet structure, the impact force of injected water flow is greatly reduced, the bed surface is prevented from being scoured in the initial water injection stage, and the stability of the initial test condition is powerfully protected.

The invention relates to the technical field of water supply management, in particular to a self-generating ultrasonic remote water meter and a water supply management system, and aims to enhance automatic water supply adjustment and water energy optimization adjustment of the self-generating ultrasonic remote water meter water supply management system through an intelligent analysis process of user water consumption information. Comprising the steps that a remote transmission module sends a real-time user water volume data signal to a remote water supply control center through a wireless communication technology; the water supply module performs multi-dimensional data analysis according to the real-time user water volume data signal and judges the user water consumption change condition, and the remote water supply control center starts an automatic water supply strategy; the monitoring module obtains user water consumption conditions in a preset time period under the control of the automatic water supply strategy for monitoring and analysis, and user water consumption level information in the preset time period is obtained; and the judgment module judges whether water consumption of the user is abnormal or not according to the water consumption grade information of the user, generates a second early warning signal and pauses water supply treatment.

The invention relates to a self-locking clamp device for water meter detection and a using method thereof, and belongs to the technical field of water meter detection. The clamp assembly is placed on the conveying line belt, linearly moves along with the conveying line belt and is used for positioning the water meter and achieving clamping and self-locking. The clamping jaw assembly is installed below the robot and used for clamping the water meter and is matched with the clamp assembly to achieve clamping and unlocking of the water meter. The clamp assembly comprises a positioning bottom plate, a V-shaped block moving mechanism, a positioning block and a water meter bottom support mechanism, the V-shaped block moving mechanism and the positioning block achieve clamping and self-locking through an elastic buckle and a clamping groove structure, and the water meter bottom support mechanism converts the gravity of a water meter into clamping force through a wedge-shaped mechanism. Self-adaptive clamping of the water meter is achieved through the gravity of the water meter, the stability of the clamping force is guaranteed through a self-locking mechanism, unlocking of the clamping self-locking state of the water meter is achieved through a plug pin on the clamping jaw assembly, extra air cylinder or robot action is not needed, the detection efficiency is improved, and the equipment cost is reduced.

An atmospheric water generator device and a method of adaptive atmospheric water harvesting may include an air processing compartment having a heating member, a water adsorption / desorption compartment having a plurality of water adsorption beds configured to receive an air flow; a condensation compartment having a condenser; a water collection compartment; a controlling unit having a plurality of sensors configured to sense climate conditions, and a controller; and a power generation and storage unit configured to provide the air processing compartment, the water adsorption / desorption compartment, the condensation compartment, the water collection compartment, and the controlling unit with the required electrical energy to operate. The heating member in the air processing compartment is configured to heat the air flow passing through the water adsorption / desorption compartment. A method of generating water may use the atmospheric water generator device.

The present disclosure is directed to devices, systems, and products for attracting, capturing and converting atmospheric water vapor into useful liquid water utilizing thermal dynamic processes such as deposition, phase change states and fusion.

The invention provides an online calibration method for a household water meter, which comprises the following steps of: taking a closestool as a standard device for calibrating the household meter, collecting the maximum water consumption of the closestool as standard data for online calibration, and calibrating actually measured data of the maximum water consumption of the closestool by using the standard data. Wherein the process of identifying the maximum water consumption of the closestool comprises the following steps: firstly identifying the working mode of the water tank, then further identifying the water consumption mode of the closestool from the working mode of the water tank, and further extracting the maximum water consumption of the closestool. According to the method, the closestool used by each family is adopted as a calibration standard device of the household water meter, the characteristics of the closestool water consumption mode are recognized through long-term tracking analysis of the user water consumption mode, accurate extraction of the closestool water consumption is achieved on the basis, and a new development direction is provided for water meter calibration.

Provided herein are water harvesting systems, as well as methods using such systems, for capturing water from surrounding air. The systems and methods use water capture materials to adsorb water from the air. For example, the water capture materials may be metal-organic-frameworks. The systems and methods desorb this water in the form of water vapor, and the water vapor is condensed into liquid water and collected. The liquid water is suitable for use as drinking water.

The invention discloses a metal tube float flowmeter based on an intelligent sensor, and relates to the technical field of float flowmeters, the metal tube float flowmeter comprises a tube body and a detection mechanism, an instrument is fixed on the outer side of the tube body through a bolt and used for realizing flow display, the instrument is connected with a Hall element, the detection mechanism used for flow detection is installed in the tube body, and the Hall element is connected with the detection mechanism. And the locking mechanism is used for realizing initial locking of the detection mechanism. According to the metal tube float flowmeter based on the intelligent sensor, the elastic regulation and control mechanism is arranged at the position of the liquid inlet of the tube body, peak kinetic energy of fluid is actively absorbed through elastic deformation of the first spring, and therefore the fluid entering the tube body can be buffered, pulsating flow of the external input fluid is effectively converted into stable flow, and the flow rate of the fluid is increased. Jumping of the floater body is greatly reduced, the problem that reading is difficult due to jumping of the floater body can be solved, the positive error of an average measured value caused by pulsation can be avoided, and the accuracy of detection data is guaranteed.

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 flowmeter comprises a flowmeter body, a water inlet pipe, a water outlet pipe, two flanges and a scale removing unit, one end of the water inlet pipe is fixedly installed on one side of the flowmeter body, one end of the water outlet pipe is fixedly installed on the other side of the flowmeter body, and the scale removing unit is fixedly installed on the other side of the flowmeter body. The two flanges are fixedly installed at the other end of the water inlet pipe and the other end of the water outlet pipe respectively. By means of the closed design, water scale can be removed under the condition that the flow meter is not disassembled in the water scale removing process; through the combined action of flowing of water flow and the power assembly, a scale removing scraping ring and a dirt scraping plate of the scale removing assembly are driven to remove scale, the dirt scraping plate removes the scale on an electrode on the premise that the electrode is not damaged, particularly, the electric contact performance of the electrode is recovered through scraping of a scale layer on the end face of the electrode, and the measuring precision of the flowmeter is ensured; the downtime of the equipment is reduced, the production continuity is ensured, and the availability of the equipment and the operation efficiency of the whole system are improved.

The invention discloses a digital pump water supply control method, system and equipment based on pressure and flow, and relates to the field of digital pump water supply.The method comprises the steps that historical water consumption data of a user in a water supply network in different time periods are obtained, and the historical water consumption data comprise the water outlet pressure and the water outlet flow of the water outlet end of a water supply unit; constructing a water demand data model based on the historical water consumption data, and predicting target pressure and target flow of the user at different time points in a first preset time period through the water demand data model; generating a water demand instruction based on the target pressure and the target flow, the water demand instruction comprising a mapping relationship between the target pressure and time and a mapping relationship between the target flow and time; and the common pump and / or the standby pump are / is started through the water demand instruction, and the water outlet pressure and the water outlet flow of the water supply unit are controlled through the common pump and / or the standby pump. The problem that the water supply amount is insufficient due to the fact that the water consumption of the user cannot be accurately controlled and predicted is solved.

The invention discloses a measurement correction system and method of an ultrasonic water meter and a storage medium. The measurement correction system comprises a data acquisition module, a data processing module and a flow calculation module, relates to the technical field of water meter metering, and solves the technical problem that an ultrasonic water meter in the prior art is not high in accuracy and reliability in water flow measurement. The method comprises the following steps: acquiring ultrasonic propagation time of an ultrasonic water meter in a plurality of continuous acquisition periods; determining a water use state based on the ultrasonic propagation time; performing filtering processing on the ultrasonic water meter based on the water use state and the ultrasonic propagation time to obtain a final time difference value; and calculating flow data of the ultrasonic water meter based on the final time difference. According to the method, the time difference values are ranked from large to small, and half of the time difference values located in the middle are extracted to be used for calculating the standard time difference value, so that the calculation amount is reduced on the premise of ensuring the data accuracy, and the accuracy and the efficiency of measuring the water flow by the ultrasonic water meter are improved.

The invention discloses a multi-parameter fusion ultrasonic water meter intelligent calibration system which comprises an ultrasonic sensor module used for collecting ultrasonic signals of water flow, including flow velocity, flow, temperature and pressure parameters; the data processing module is used for receiving the data acquired by the ultrasonic sensor module and carrying out preprocessing and feature extraction; the multi-parameter fusion module is used for fusing the extracted characteristic parameters to generate comprehensive calibration parameters; the intelligent calibration module is used for dynamically adjusting the calibration coefficient of the water meter according to the comprehensive calibration parameters to realize intelligent calibration; and the communication module is used for carrying out data exchange with external equipment to realize remote monitoring and calibration. Calibration is carried out by fusing various parameters such as the flow velocity, the flow, the temperature and the pressure, the limitation of single parameter calibration is overcome, and the calibration precision is improved; the intelligent calibration module is adopted, dynamic adjustment is conducted according to real-time data, the water meter adapts to complex water flow conditions, and the measurement stability of the water meter is improved.

The present invention proposes a method for recording and continuously warning water use and a smart water meter, the method comprising: continuously obtaining pulse data of the current water use in response to a water use event, determining the duration of the current water use according to the pulse data, initiating a continuous water use warning when the duration is greater than or equal to a preset single water use duration, the continuous water use warning being used to prompt the user of a suspected water leak; determining the end time of the water use event based on the pulse data, metering the water use event, obtaining single metering information corresponding to the water use event, and storing the single metering information as a single transaction. The present invention performs separate metering of the water use of the smart water meter, and can detect suspected water leaks during a single water use process and issue timely warnings, thereby improving the timeliness and accuracy of water leak reminders and making the water meter management mode more reasonable.

The invention discloses a coal mining water retention method, which comprises the following steps of: pre-calculating the height h0 of a water flowing fissure zone in a deep aquifer when the water yield Q2 of a coal mining mine is equal to the total water consumption Q1 of production and life of a mining area, and then calculating the corresponding mining height M0 when a coal seam below is mined according to the height h0 of the water flowing fissure zone; according to the mining height M0, the filling height M2 needing to be equivalently filled in the goaf is calculated, and materials are filled into the goaf behind along with advancing of the coal face during coal mining until the materials reach the height of M2, so that too high or too low development of the water flowing fissure zone can be inhibited, the filling height or thickness can be reduced, and the filling efficiency is improved. According to the method, the balance between the filling height of the goaf and the development height of the water flowing fractured zone is found in an equivalent filling mode, mine water generated during coal mining can meet the total water consumption of production and life of a mining area, the defects caused by complete filling can be avoided, the coal mining efficiency is improved, and the water retention effect is also improved.

The invention discloses a water meter with a water mist cleaning function, relates to the field of water meters, and solves the problem that water mist in a dial plate of an existing water meter is difficult to remove. The water meter comprises a water inlet bin and a meter shell fixedly mounted at the top of the water inlet bin, a glass plate is fixedly mounted at the top of the meter shell, and the dial plate is fixedly mounted on the inner side of the meter shell; a sealing disc is fixedly mounted at the top of the water inlet bin; a sealing cover plate is rotationally mounted at the top of the meter shell; the water mist cleaning mechanism is used for cleaning water mist on the inner side of the glass plate, and the water mist cleaning mechanism is installed between the dial plate and the glass plate; through the mist cleaning mechanism, an impeller shaft can drive an arc-shaped scraping strip to move along the inner side of a glass plate by utilizing flowing of water flow in a water inlet bin, water mist and water drops on the inner side of the glass plate are scraped and collected, the water drops are prevented from dripping on a dial plate, and water flow data of the dial plate can be conveniently observed in time; and dust prevention is provided for the top of the glass plate through the sealing cover plate, so that the effect of automatically cleaning water mist is achieved.

The present invention discloses a fully sealed intelligent water meter anti-theft device, including a main shell, a mounting groove is provided at the bottom of the main shell, and a sealing plate is sealed and connected at the bottom opening near the mounting groove, a plurality of fixed seats are evenly distributed and installed on the upper end surface of the sealing plate, a connecting shaft is vertically connected to the fixed seats, a connecting head is provided at the top of the connecting shaft, and the connecting head and the connecting shaft are an integrated structure, a plurality of connecting seats are fixedly connected inside the main shell, and the connecting seats and the connecting shaft are arranged one by one, a connecting hole is provided at the bottom of the connecting seat, and the connecting hole and the connecting shaft are clearance-matched, a placement groove is provided on one side of the main shell, and a buzzer is fixedly installed inside the placement groove. This fully sealed intelligent water meter anti-theft device has a simple and reasonable structure, a novel design, and is easy to install. It can effectively prevent the water meter from being disassembled during use, has high safety, and is convenient for wide promotion and use.

The invention relates to an Internet of Things water meter water consumption abnormity detection method and system, and the method comprises the steps: collecting the water consumption water flow data of a user in one day, carrying out the classification and preprocessing of the water flow data, and carrying out the fitting of the processed data, and obtaining a fitting curve; a fitting curve of one day is superposed and a cross point dense region and a line segment overlapping region in a superposed graph are identified and extracted, so that the use characteristics of the user on the day are obtained, the similarity between the use characteristics of the user on the day and the use characteristics of the previous day is calculated and analyzed, and a corresponding theoretical water consumption difference value is called according to the similarity; and finally, comparing the actual water consumption difference value of two days before and after with the theoretical water consumption difference value, and when the difference is too large, considering that the user has abnormal water consumption. Through the method, the abnormal water consumption condition can be judged in an auxiliary manner based on the water consumption characteristics of the user, and a finer and more accurate detection effect is achieved.