3684 results about "Water use" patented technology

The invention provides an irrigation district water resource scheduling optimization method based on cloud computing, and the method comprises the following steps: collecting irrigation district multi-source data in real time through a space-air-ground integrated sensing network, and uploading the data to a cloud platform after preprocessing; the method comprises the following steps: constructing digital twin bodies of an irrigation area in a cloud platform, dividing the irrigation area into a plurality of sub-areas according to water consumption attributes, and integrating hydraulics and hydrological agriculture models; real-time data and future weather information are fused, and a water demand prediction value is generated through a water demand prediction model by taking the sub-region as a unit; a scheduling scheme is generated by adopting a multi-objective optimization algorithm based on the predicted value, and the minimum economic benefit, water resource utilization rate and energy consumption are taken as optimization objectives; and performing simulation evaluation on the scheme by using the digital twinborn body, outputting a performance index aided decision, and finally determining an optimal scheduling scheme. According to the method, accurate prediction, dynamic optimization and intelligent scheduling of the water resources in the irrigation area are realized, and the utilization efficiency of the water resources and the irrigation management level are improved.

The invention discloses a hydrological data model fusion analysis method based on water resource scheduling decision support, and relates to the field of water resource scheduling, and the method comprises the steps: loading an HMM-BP noise detection model, obtaining a multi-source data fusion model, and outputting a space-time grid data cube; constructing a water consumption behavior prediction unit through a TPB decision tree model, adding a water right transaction engine, and outputting a water consumption prediction value, a behavior of an intelligent contract protocol and a transaction cooperation model; an incremental method is adopted to generate N combined scene matrixes of rainfall and temperature rise correlation adjustment, an ecological stability evaluator is combined, a climate and ecological coupling model is constructed, and a scene and risk mapping table and a resource re-allocation weight are output; and constructing an intelligent rule base platform to obtain an executable decision logic tree. The system has the advantage that full-chain intelligentization of water resource scheduling is realized through modular integration. Therefore, social and market collaborative prediction, climate and ecological risk quantification and adaptive decision support are achieved.

The invention provides a watershed water right marketization configuration method and device under water-sediment coupling constraint, and the method comprises the steps: constructing a water-sediment coupling constraint model which comprises a plurality of constraint conditions, and the constraint conditions are used for constraining the sediment transportation and deposition conditions in a water transportation process; establishing a multi-target water right optimization configuration model based on the importance of various water consumption subjects in the drainage basin and a preset water right distribution strategy; solving the multi-objective water right optimal configuration model by adopting a multi-objective evolutionary algorithm and constraint conditions, and generating a candidate water right configuration solution set; selecting a feasible solution set from the candidate water right configuration solution set based on constraint conditions; scoring each solution in the feasible solution set, and sorting according to a scoring result; and obtaining an optimal water right configuration solution set based on a sorting result. According to the method, the safety and ecological requirements of a watershed water-sediment system can be guaranteed while the water right is reasonably distributed.

The invention relates to the technical field of agricultural engineering and ecological environment protection, in particular to a saline-alkali soil desalination improvement system and method based on brackish water recycling. The system comprises a data collection module which collects soil salinity data, meteorological data and crop growth data of the saline-alkali land in real time; the data processing and analyzing module is used for receiving and preprocessing the soil salinity data, the meteorological data and the crop growth data of the saline-alkali land, constructing a soil salinity prediction model and outputting a soil salinity prediction result; the irrigation strategy decision module is used for generating an optimal irrigation strategy by adopting a reinforcement learning algorithm according to the soil salinity prediction result and the preprocessed crop growth data; and the irrigation control system is used for performing brackish water irrigation operation on the saline-alkali soil according to the optimal irrigation strategy. Precise regulation and control of saline-alkali soil salinity can be achieved, brackish water is adopted as irrigation water, water resources are saved to a certain degree, and therefore the improvement cost of saline-alkali soil is reduced.

The invention relates to the technical field of intelligent control, and discloses a water conservancy water resource dynamic scheduling method and system based on big data, and the method comprises the steps: collecting the collected real-time hydrological data, meteorological data and water demand data into multi-source real-time water conservancy data of a water conservancy region; based on a long-term dependency relationship in historical water resource scheduling data, determining a water consumption characteristic and a water resource space-time distribution rule; adaptively distributing water utilization priority weights of water resources to obtain water resource supply and demand conditions; mapping the water resource supply and demand condition to a scheduling rule base of historical water resource scheduling data to obtain a preliminary water resource scheduling scheme; the preliminary water resource scheduling scheme is corrected in real time in combination with the multi-source real-time water conservancy data, and a target water resource scheduling scheme is obtained; responding to the target water resource scheduling scheme, obtaining difference information between an actual response effect and an expected effect, and dynamically adjusting facility operation parameters according to the difference information; according to the invention, the efficiency of dynamic scheduling of water resources can be improved.

A tool for management of irrigation schedules is provided. The tool can include a controller that can communicate with an irrigation system to build and implement automatic irrigation schedules using sensed data about the environment, historical data, and manually input data. These schedules can be optimized for capital cost, lifetime cost, farm revenue, water use, and energy efficiency of the irrigation system. The schedule can be adjusted based on sensed data and / or manual inputs to ensure optimal use of resources. In some embodiments, the controller can communicate the schedule to a user via electronic communication to implement irrigation. In such embodiments, the user can interface with the controller to confirm directions to implement irrigation and receive additional directions.

The invention provides an irrigation district water diversion quantity multistage distribution method under total quantity index constraint, comprising the following steps: dividing an irrigation district into a plurality of calculation units based on an administrative division boundary and a canal system network; respectively calculating the initial water demand of each calculation unit under the living water demand, the industrial water demand, the agricultural water demand and the ecological water demand; based on the initial water demand and according to multiple water resource rigid constraint indexes, performing at least one round of checking and pressure reduction on the initial water demand of each calculation unit to obtain an initial distribution water amount of each calculation unit; and carrying out secondary distribution on surplus water generated after checking and pressure reduction, and compensating the calculation units of which the water demand is not met to obtain the final distribution water of each calculation unit. According to the method, fair, reasonable and efficient distribution of water resources in a complex system with cross coupling of administrative division and canal system networks is realized, and the problems of conflict between a scheme and actual management requirements, water consumption contradiction and the like caused by a traditional single-dimension distribution method are avoided.

The invention discloses an intelligent household water processing terminal interaction control system based on 2.4 G hotspot networking, and particularly relates to the technical field of household water processing terminal interaction control. The overall system time sequence risk is accurately assessed by generating a time sequence consistency loss index, dynamic sampling adjustment, code rate optimization and control action rectification strategies are triggered based on the index, key data are uploaded preferentially, key control actions are executed preferentially, the problems of data transmission conflicts and time sequence lagging are effectively relieved, and meanwhile, the data transmission efficiency is improved. A node execution result and a control action receipt record are written into a state mirror image, the state mirror image and a time sequence consistency loss index are jointly evaluated to generate a safety degradation condition, and an executable safety strategy is synchronously issued, so that self-adaptive degradation and quick recovery of a system under abnormal conditions are realized, and continuity and stability of a water treatment process are ensured.

The invention relates to the field of direct drinking water of a fusion calculation model, and discloses a double-membrane mixing direct drinking water system and an operation method.The method comprises the steps that online data of a water supply end and a water quality monitoring end are collected for cleaning and time alignment, and a basic working condition data set is formed; the method comprises the following steps: establishing an operation characteristic model comprising water demand prediction, raw water quality prediction and membrane flux characteristic sub-models, calculating double-membrane target water yield and water quality indexes based on the model to generate a control parameter set, evaluating membrane pollution to generate an online cleaning task queue, performing joint simulation to generate a pressure stability control instruction set, and dynamically correcting the model. The conversion from passive response to active pre-judgment of the double-membrane mixing direct drinking water system is realized, and the operation stability, the water quality guarantee capability and the water-saving and energy-saving effects are improved.

The utility model discloses a semi-automatic backwashing laminated filter. The external structure of the semi-automatic backwashing laminated filter comprises a handle, a filter base body, a water inlet, a water outlet, a laminated shell, a blow-down valve, a blockage indicator, a filter screen flushing valve and the like, the internal structure comprises a flow direction selector, a butterfly check valve, a laminated filter element, a rotational flow centrifugal disc, a laminated compression inner cover, a laminated compression outer cover, a spring between the laminated compression inner cover and the laminated compression outer cover and the like. The channel position of the flow direction selector is switched by rotating the handle, so that the switching between the filtering mode and the backwashing mode is realized. In a filtering mode, muddy water flows into a raw water cavity outside the lamination after being accelerated by the rotational flow centrifugal disc, impurities are intercepted, and clear water flows into a downstream pipeline; and in a backwashing mode, the water flow is sprayed out from the spraying holes in the filter element frame by pressing the position of the lamination for compressing the inner cover and loosening the lamination, so that impurities are eluted from the lamination and discharged through the blow-down valve. In addition, a filter screen is arranged on the flow direction selector to intercept impurities of flushing water, and the filter screen can be flushed in a filtering mode. The utility model has the advantages of convenient use and simple structure.

The utility model provides a double-water-outlet faucet structure. A first water pipe and a second water pipe which are independent are arranged in a stand column of the double-water-outlet faucet structure. The lower fixed connector is located at the axial upper end of the stand column, a first annular water channel on the peripheral side of the lower fixed connector is communicated with a first water pipe, the lower movable connector is rotationally arranged outside in a sleeving mode and provided with a first water outlet nozzle, the lower movable connector is sleeved with the lower rotary arm, an inner first water outlet channel is connected with the first water outlet nozzle, and a lower water outlet is formed in the tail end of the lower rotary arm. A second annular water channel on the peripheral side of the upper rotating arm is communicated with a second water pipe, the upper movable connector is arranged outside in a sleeved mode and provided with a second water outlet nozzle, the upper rotating arm is arranged outside in a sleeved mode, a second water outlet channel inside the upper rotating arm is connected with the second water outlet nozzle, and an upper water outlet is formed in the tail end of the upper rotating arm. Diversified water use requirements are met, water use convenience and flexibility are improved, the defect that installation is limited in places can be overcome, and the application range of faucet products is widened.

The invention provides an MMPC-based sedimentation tank intelligent dosing control system and method, and relates to the technical field of water treatment.The MMPC-based sedimentation tank intelligent dosing control system comprises a fixing frame and a sedimentation tank, and a water inlet pipe is fixedly installed at the top of the fixing frame; the left end of the water inlet pipe is fixedly connected with a flow instrument; the left end of the flow instrument is fixedly connected with a filter pipe; a water inlet detection pipe is slidably mounted on the left side of the filter pipe; and four mounting seats B are fixedly mounted at the top of the water inlet detection pipe. Based on a multi-model self-adaptive switching structure, the problem of mismatching of a traditional single model under variable working conditions is solved, when the inflow flow fluctuates or the turbidity changes suddenly, the system automatically calls a prediction model matched with the current working condition, the change of the effluent turbidity is predicted in advance, the dosage is adjusted in time, and the effluent turbidity is stably controlled within a target range, so that the stability of the system is improved. The safety of water consumption of residents is guaranteed, and the problem of out-of-control risk caused by time delay is solved.

The application relates to the technical field of garden engineering, and discloses a garden rainwater collection and purification treatment device based on multistage filtration, which comprises a support, a purification tank is fixedly connected to the top of the support, a biological filtration assembly for biodegradation and purification of rainwater is further arranged in the purification tank, and a sedimentation tank for rainwater collection is further arranged at the top of the purification tank. Compressed air is released into the cylinder through the aeration disc, the closed structure of the cylinder restricts the bubbles from diffusing in disorder, the screw thread flow guide groove in the cylinder guides the bubbles to spiral upward, the rising bubble flow impacts the broken paddle at the bottom of the shaft support to rotate, the large bubbles are broken into micro-bubbles through shearing to increase the specific surface area, the bubbles are efficiently utilized, the problem that the bubbles and the water body are not fully contacted and the dissolved oxygen is insufficient is solved, and the water quality requirement of the garden water is met.

The utility model belongs to the technical field of water heaters, and particularly discloses a gas water heater which comprises a water inlet pipe, a heat exchanger and a water outlet pipe which are sequentially communicated in the water flow direction, and further comprises a water mixing tank and a bypass pipe, the water mixing tank is arranged on the water outlet pipe, and a water inlet, a bypass water inlet and a water outlet are formed in the water mixing tank. The water inlet is used for being communicated with the water outlet end of the heat exchanger, the water outlet is communicated with the water using end through the water outlet pipe, the two ends of the bypass pipe are communicated with the bypass water inlet and the water inlet pipe respectively, a bypass valve used for adjusting the water flow is arranged on the bypass pipe, and the vertical distance H1 between the bypass water inlet and the water inlet is larger than the vertical distance H2 between the bypass water inlet and the water outlet. According to the gas water heater disclosed by the utility model, on the basis of solving the problem of water stop temperature rise during secondary starting, the outlet water temperature in the water stop temperature drop stage can be improved, and the structure of the water mixing tank is simplified while the water stop temperature drop is effectively improved.

The invention relates to the technical field of data processing, in particular to an agricultural water efficiency dynamic monitoring and optimizing system based on machine learning, which comprises a processor and a memory, the processor executes a computer program of the memory to realize the following steps: acquiring historical soil water content data and multi-dimensional historical environment data of any to-be-monitored position at each moment in a preset historical time period; according to the data change characteristics of the historical soil water content data and the multi-dimensional historical environment data, obtaining the correlation degree of each environment and the soil water content; when an LSTM prediction algorithm is used for prediction, a prediction time period is obtained, and the weight of each piece of historical soil water content data is obtained according to the correlation degree of each environment and the soil water content and the difference between each piece of multi-dimensional historical environment data in the prediction time period and the multi-dimensional environment data at the current moment; and the soil water content data at the next moment of the current moment is predicted, so that the accuracy of predicting the soil water content is improved.

A gate linkage control method and device and a series water supply and power generation system are provided. The method comprises the following steps of: acquiring a water demand and current water level information of the series water supply and power generation system, the current water level information at least comprising current riverway water level information and current water diversion trunk canal water level information; determining a gate opening degree control strategy of a first water diversion gate and a second water diversion gate according to the water demand and the current water level information of the series water supply and power generation system; and carrying out linkage control on the first water diversion gate and the second water diversion gate according to the gate opening degree control strategy.

The invention provides a water leakage early warning processing method, device and equipment for a remote water meter. The method comprises the following steps: acquiring real-time flow data of the remote water meter; preprocessing the real-time traffic data to obtain processed traffic data; monitoring the processed flow data in real time according to a preset monitoring rule to obtain abnormal condition information; wherein the preset monitoring rule comprises at least one of a data uploading rule, a negative water consumption rule and a threshold alarm rule; wherein the threshold alarm rule comprises at least one of a normal threshold rule, a dynamic threshold rule and a weight threshold rule; performing grading processing on the abnormal condition information to obtain alarm records of different grades; and alarm records of different levels are pushed. According to the scheme, different levels of alarms of various abnormal conditions can be achieved, the abnormal condition of water consumption of the remote water meter can be found in time, water waste is reduced, the problems of false alarm, alarm leakage, alarm lag and the like are avoided, and the abnormal condition of the remote water meter can be found and processed in time.

The invention provides a water chamber mining area underground water resource allocation and decision analysis method, and relates to the technical field of mining area water resource management and intelligent decision, and the method comprises the steps: obtaining the perception data of a set region in a mine; constructing a steady-state seepage flow field of the mine goaf; constructing a water resource bearing capacity evaluation model; constructing water demand models of different areas of the mine; obtaining allocation demand distribution vectors and allocation demand sequences of different areas of the mine according to the water demand model; determining a priority allocation vector of each mine area by combining the allocation priorities of different areas of the mine; constructing a multi-objective optimization model, and calculating the multi-objective optimization model based on a pre-selected optimization algorithm to obtain an optimal water resource allocation strategy; and based on the optimal water resource allocation strategy, the water storage and drainage equipment is controlled to act, and the models or parameters are corrected according to execution result data. According to the scheme, dynamic correction and real-time response of the allocation strategy are realized, and accurate supply and scheduling optimization of underground water resources in the water-chamber-filled mining area are ensured.

The invention belongs to the technical field of water affair management, and relates to an urban water plant water supply balance automatic scheduling method and system. According to the method, the water pressure value of each monitoring point in the water supply network and the water consumption of the water metering unit are collected in real time, the water time sequence characteristics are extracted to identify the potential peak period, and the validity of the peak period is verified by combining the correlation between the water pressure and the water consumption; performing region division and water consumption aggregation based on peak period distribution and a pipe network topological structure, calculating water consumption deviation of adjacent regions, and when the deviation exceeds a historical synchronous fluctuation range, dynamically generating a target water supply pressure value and issuing a scheduling instruction; and evaluating the balance state of the water pressure and the water consumption between the areas after scheduling by executing the feedback data. According to the method, the problems of response lag and regional supply and demand imbalance in traditional scheduling are solved, accurate regulation and control of the water supply pressure and regional water consumption balance in the peak period are achieved, and the stability and the energy efficiency level of a water supply system are improved.

The invention belongs to the field of wastewater treatment and industrial automatic control, and particularly relates to an intelligent dosing control method based on water quality online monitoring. The method comprises the following steps: capturing a water body spectrum fingerprint spectrum by using a full-spectrum scanning module to obtain a characteristic signal sequence; a chemical informatics molecular algorithm is introduced for preprocessing and feature enhancement, and molecular fingerprint information is recognized; a convolutional neural network model is constructed to decouple chemical oxygen demand, ammonia nitrogen, total phosphorus and water toxicity indexes from the spectral signals, and multi-parameter parallel inversion is achieved; and based on the inversion index and the spectral dynamic trend, the dosage is calculated through an intelligent decision-making algorithm, and accurate dosing of the medicament is driven. According to the invention, through fusion of full spectrum scanning and deep learning, high-precision anti-interference water quality perception is realized, potential risks can be identified and preventive intervention can be carried out, and the intelligent level and economical efficiency of dosing control are improved.

The application discloses a kind of design methods of building water supply and drainage system, it is related to the technical field of drainage system, including using BIM positive design method to draw out the distribution of building drainage system pipeline and drainage equipment, using numerical simulation method to measure drainage data, using analytic hierarchy process to construct judgment matrix after the drainage data is layered, calculate weight index, combine Kriging surrogate model and bat model, calculate the optimal arrangement mode of different function drainage pipeline and drainage equipment and the optimal number of fire hydrant.The design method of building water supply and drainage system can optimally arrange drainage equipment, realize the most rationalization, the most efficient use of drainage equipment to discharge building water and at the same time consider water circulation and material utilization maximization, while considering the influence of fire emergency on drainage system, corresponding disaster response measures required by the most favorable fire-fighting equipment arrangement is designed.

The invention relates to the field of computer systems based on specific calculation models, and discloses an intelligent water meter data driving leakage identification early warning system based on a neural network model, comprising a learnable decoupling module, parameters of which are determined by a collaborative adversarial training rule, and which is used for decomposing data into a baseline data stream and a transient data stream; the system is provided with a baseline channel and a transient channel in parallel; according to the system and the method, a behavior mode monitor, a transient mode analyzer and an abnormal arbitration module are arranged, through information cooperation of the three modules, accurate identification of different leakage states and normal mode drifting is achieved, through the architecture, the fundamental problem that a calculation model is shielded by a high-amplitude normal water use signal is solved, and the system and the method have the advantages of being high in practicability and high in practicability. According to the method, high sensitivity of the system to tiny baseline leakage is recovered, and meanwhile, active adaptation to user habit changes and effective compensation for a high-frequency leakage blind area are achieved through cross-channel information collaboration.

The invention discloses a planned water consumption early warning management method based on data fusion, and relates to the technical field of water consumption early warning, and the method comprises the steps: collecting water consumption data and available water source data of each water supply zone, decomposing the data according to a time window, forming a water consumption feature set of a water supply zone time period, and obtaining a preliminary space-time water consumption feature; calculating complementarity of adjacent water supply partitions in alternating time periods on the basis of the initial space-time water consumption characteristics, and generating a substitution capability set in combination with available water source data; predicting a short-term water consumption gap of each water supply subarea, generating a candidate allocation scheme according to a complementarity relationship, and outputting an allocation instruction set between the water supply subareas; and when the short-term water consumption gap is predicted to exceed a gap threshold value, starting an alternate buffer window, performing time period translation or cross-region allocation on non-key water consumption demands of a part of water supply partitions, and outputting an early warning level and a corresponding allocation instruction. According to the invention, full-link closed-loop management from data acquisition, gap prediction to cross-regional deployment is realized.

The invention discloses a constant-pressure constant-temperature energy-saving water supply control system for domestic hot water, particularly relates to the field of building water supply and drainage and heat energy control, and comprises a signal capture module, a risk early warning module, a buffer release module, a pre-judgment adjustment module and a state reconstruction module. The signal capturing module is used for acquiring real-time flow and real-time pressure of a water supply pipeline and a water return pipeline by arranging a flow sensor and a pressure sensor on the water supply pipeline and the water return pipeline respectively, then counting the real-time flow and the real-time pressure according to a time sliding window, and outputting time sequence data; according to the invention, a closed-loop control process of time sequence data capture, disturbance data identification, buffer water body release, pump set operation interval determination and compensation distribution result output is executed in sequence in a sudden water consumption scene, so that real-time and stable temperature and pressure control is realized at a user side; therefore, the problem of constant-temperature and constant-voltage failure caused by feedback lag in the prior art is solved.

The utility model discloses a pre-filter and a water consuming system, and relates to the technical field of water consuming systems, the pre-filter comprises a shell, a filter assembly and an outer framework, the shell is provided with a water filtering cavity; the filtering assembly is arranged in the water filtering cavity, the outer framework is arranged in the water filtering cavity and rotatably arranged on the periphery of the filtering assembly in a sleeving mode, an inner cleaning brush is installed on the inner side of the outer framework, an outer cleaning brush is arranged on the outer side of the outer framework in a protruding mode, a cleaning part is arranged on the inner cleaning brush, and the cleaning part extends in the axial direction of the outer framework. The filtering assembly is provided with a filtering surface extending in the radial direction of the outer framework, the cleaning part and the filtering surface are correspondingly arranged, the cleaning part is used for cleaning the filtering surface, and the outer cleaning brush is used for cleaning the inner wall of the water filtering cavity. According to the technical scheme provided by the utility model, impurities attached in the water filtering cavity can be conveniently and timely cleaned, and the filtering effect of the pre-filter is ensured.

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.

The invention discloses a circulating water blow-off water reuse treatment system, and relates to the field of circulating cooling water treatment, the system comprises: an induced crystallization unit, which is used for carrying out primary treatment on circulating water blow-off water through an induced crystallization fluidized bed reactor to remove hardness ions in water; the ceramic membrane filtering unit is used for carrying out secondary treatment on the primarily treated water by utilizing a ceramic membrane device and removing residual hardness ions, organic matters and suspended matters in the water; and the nanofiltration membrane unit is used for performing tertiary treatment on the water by utilizing a nanofiltration membrane according to the secondary treatment result to remove salt and organic matters in the water. According to the method, induced crystallization, ceramic membrane and nanofiltration membrane technologies are combined to cooperatively treat the circulating water and the blow-down water, so that the operation mode of simplifying the process, reducing the energy consumption and prolonging the backwashing period is realized, the dosage of chemicals and the generation of sludge are reduced, and the water recovery rate is also improved, so that the hardness is removed, and the calcium resource recovery is realized.

The invention discloses an intelligent health monitoring alarm system, and the system comprises an environment behavior monitoring module which is used for collecting environment and behavior data related to daily activities of a user, and the environment and behavior data comprises water data, power data, gas data, image data, environment sound data and refrigerator door state change data; wherein the environment sound data particularly refers to a playing sound source signal which is acquired by an indoor microphone and is generated by a television or audio playing equipment; the data processing center is used for receiving and storing the environment and behavior data; and the user habit learning module is used for establishing and dynamically updating a personalized daily behavior baseline model of the user through a machine learning algorithm based on historical data. According to the invention, through multi-dimensional non-contact monitoring, the influence of contact equipment on the self-respect of the elderly can be avoided, and more comprehensive and intelligent health monitoring alarm of the elderly can be monitored at the same time.

The invention relates to the technical field of garden engineering, and discloses a garden rainwater collection and purification treatment device based on multi-stage filtration, the garden rainwater collection and purification treatment device based on multi-stage filtration comprises a support, and the top of the support is fixedly connected with a purification box; a biological filtering assembly used for biodegrading and purifying rainwater is further arranged in the purifying box, and a settling box used for collecting the rainwater is further arranged on the top of the purifying box. Compressed air is released by the aeration disc and then enters the cylinder body, a closed structure restrains bubbles to avoid disordered diffusion, a threaded flow guide groove in the cylinder body guides the bubbles to spirally rise, rising bubble flow impacts crushing blades at the bottom of a shaft bracket to rotate, large bubbles are crushed into micro bubbles through the shearing action to increase the specific surface area, and efficient utilization of the bubbles is achieved. The problems of insufficient contact between bubbles and water and insufficient dissolved oxygen are solved, and the water quality requirement of garden water is met.

The invention provides an ice making method and system, an intelligent electric appliance, a storage medium and a program product. The ice making method is used for the ice making device and comprises the steps that water quality parameters of ice making water are obtained, and the water quality parameters at least comprise a total dissolved solid value; determining target control parameters in the ice making process according to the water quality parameters; and controlling the ice making device to operate based on the target control parameter so as to form ice blocks. The method has the advantages that the water quality parameters are introduced to serve as the decision basis of ice making control, so that the ice making process can be adaptively adjusted according to different water quality conditions. According to the method, the fine control capability of the ice making process is improved, so that ice block products better meeting the expected quality can be obtained, and the consistency and stability of the ice making effect are improved.