94 results about "Lack water" patented technology

The invention belongs to the technical field of hydrology and water resource intelligent management, and discloses an inter-basin water resource system cooperative scheduling and forward-reverse bidirectional coupling dynamic decision method and system, and the method comprises the steps: S1, constructing a multi-modal water conservancy infrastructure topological relation graph, and carrying out the bidirectional conduction optimization; s2, sensing hydrological gap risk situation and analyzing multi-source water supply potential coupling based on the multi-modal water conservancy infrastructure topological relation map and optimized bidirectional conduction; s3, based on hydrological gap risk situation and multi-source water supply potential coupling, generating an elastic grading water quantity distribution strategy and a cross-engineering replacement protocol; and S4, constructing and optimizing a positive-negative two-way rehearsal decision engine based on an elastic grading water distribution strategy and a cross-engineering replacement protocol. The technical problem that a traditional one-way scheduling model is difficult to deal with complex topological relations, sudden water shortage events and cross-administrative-region collaboration is solved.

The invention discloses an intelligent water affair monitoring and management system based on digital twinning, and relates to the technical field of intelligent water affair. The intelligent water affair monitoring and management system comprises a water affair monitoring and management platform, and the water affair monitoring and management platform is in communication connection with the following modules: a multi-source data acquisition module; the water affair monitoring system is used for collecting and preprocessing water affair monitoring data from a plurality of monitoring points of the water affair system, monitoring changes of a pipe network topological structure and obtaining dynamic data of a pipe network connection relation and geometric parameters. Through the digital twinborn technology, data of multiple monitoring points can be integrated in real time, abnormal events such as water quality pollution, equipment faults, water shortage and hydraulic change can be rapidly recognized in combination with the abnormal trend analysis module, early warning signals are automatically generated, the response time is remarkably shortened through an instant early warning mechanism, and the early warning efficiency is improved. Therefore, the management personnel can take measures at the initial stage of the abnormal event, the problem expansion is effectively prevented, and the timeliness and accuracy of water management are improved.

The invention discloses an urban multi-water-source joint scheduling method based on a discrete scene set and a robustness decision, and the method comprises the steps: researching the characteristics of multiple uncertainty factors of urban multi-source water supply, and generating a multiple uncertainty scheduling scene set through a Latin hypercube sampling method; constructing a water supply city regulation and storage reservoir and external water source joint scheduling model and a water receiving unit internal optimization scheduling model; and constructing a robustness decision-making-based urban annual multi-water-source combined scheduling model. A multi-uncertainty scene set and a robustness measurement method based on an expected benefit index are utilized, the minimization of the annual water level fluctuation risk and the urban water shortage risk of a regulation and storage reservoir is taken as a scheduling target, an urban multi-water-source combined scheduling model based on a robustness decision is constructed, the rationality and the applicability of the robustness scheduling model are verified, and the urban multi-water-source combined scheduling model is established. And analyzing a robust decision scheduling result under an uncertain condition.

The invention relates to the technical field of water resource management, in particular to a regional water resource optimal configuration method and system.The method comprises the following steps that a domestic water prediction model and an ecological water prediction model are constructed based on LSTM and used for predicting domestic water and ecological water of a target region respectively, meanwhile, the production water of the target area is estimated through a quota method; predicting the available water supply amount of the target area, and obtaining a future supply and demand analysis result of the water resource of the target area in combination with the prediction results of the domestic water, the ecological water and the production water; when the water demand of the target area is difficult to meet, obtaining the water shortage rate and the economic benefit of the water resource optimal configuration plan based on a WEAP model; and establishing a water resource optimal configuration model, and further comprehensively considering the water shortage rate and the economic benefit to obtain an optimal water resource optimal configuration plan. According to the water resource optimal configuration method, the coordinated development of economic, social and ecological environments can be realized while the water use safety is guaranteed.

The embodiment of the invention discloses a regional water shortage risk and space-time imbalance evaluation method, system and device and a storage medium, and the method and system construct a multi-dimensional water shortage risk evaluation system through the combination of kernel density estimation, a Copula function and a centralized index, and remarkably improve the evaluation precision and practicability. Compared with a traditional parametric distribution method, kernel density estimation does not need to preset a data distribution form, the method can flexibly adapt to complex and diversified supply and demand sequences, high fitting precision is still kept under the condition of insufficient data or extreme distribution, experiments show that the root-mean-square error is reduced by more than 30% compared with the traditional method, and the adaptability to unknown distribution is remarkably enhanced. The joint probability distribution of the water demand and the water supply is quantified through the Copula function, and the severity level is dynamically mapped in combination with the water shortage rate and the duration, so that the limitation of single probability evaluation is solved, the time persistence is brought into risk calculation for the first time, and the evaluation result is closer to the actual water use scene.

The present invention belongs to the technical field of intelligent hydrological and water resource management, and discloses a method and system for coordinated scheduling and dynamic decision-making for positive and negative bidirectional coupling across river basin water resource systems. The method comprises: S1: constructing a multimodal water conservancy infrastructure topological relationship map and performing bidirectional transmission optimization; S2: based on the multimodal water conservancy infrastructure topological relationship map and optimized bidirectional transmission, sensing the hydrological gap risk situation and analyzing the coupling of multi-source water supply potential; S3: based on the coupling of the hydrological gap risk situation and multi-source water supply potential, generating a flexible graded water allocation strategy and a cross-project replacement agreement; S4: based on the flexible graded water allocation strategy and the cross-project replacement agreement, constructing and optimizing a "positive and negative" bidirectional pre-rehearsal decision-making engine. The present invention solves the technical difficulties faced by traditional one-way scheduling models in coping with complex topological relationships, sudden water shortages, and cross-administrative region coordination.

The present application relates to a kind of self-cleaning water flow system working method, self-cleaning water flow system includes water box, water pipe and water pump, the water inlet end of the water pipe is inserted in water box, the water pump is connected at the water outlet end of water pipe;When carrying out self-cleaning work, control water pump to carry out pumping work, and the working current I of water pump is obtained in real time detection, whether the water box is short of water according to the working current of water pump, whether water pipe is blocked, whether water pipe is disconnected, whether water pipe is air leakage, whether water pump is fault.The self-cleaning water flow system working method is low in cost, and can simultaneously realize multiple problem detection.The present application also relates to a kind of range hood, including fan, self-cleaning water flow system, controller, memory;The controller is respectively connected with fan, self-cleaning water flow system, memory electric signal, and the program for realizing the self-cleaning water flow system working method as described above is stored in memory, and the program in the memory can be retrieved and executed by controller.

The utility model discloses a sampling pump slag blocking water shortage power-off device which comprises a protective cylinder, a containing space is formed in the protective cylinder, and a slag blocking structure is formed by the side wall and the bottom of the protective cylinder. The sampling pump is arranged in the placing space; the control assembly is arranged on the side wall of the protection barrel, located above the sampling pump and used for sensing the water level condition in the protection barrel. The sampling pump solves the problems that a water taking port of an existing sampling pump is prone to being blocked, water taking work is affected, and faults are prone to occurring. The whole sampling pump is protected by arranging the protective cylinder, the protective cylinder is used for carrying out residue blocking and filtering on sewage, and the sampling pump completes sampling work in the protective cylinder, so that a water intake of the sampling pump is prevented from being blocked. And certain safety is improved. By arranging the control assembly, after the protective barrel is blocked, sewage cannot enter the protective barrel for the sampling pump to take water, and at the moment, in order to avoid burning of the sampling pump, the control assembly controls the sampling pump to be closed, the sampling pump is started again after the protective barrel is treated, and the sampling pump is prevented from breaking down.

The invention provides a water resource optimal configuration method considering excess water supply regulation and control and hierarchical constraint, and the method comprises the steps: obtaining water resource configuration parameter data, constructing a basic water resource optimal configuration model, constructing a hierarchical constraint system, constructing a multi-target water resource optimal configuration model, and solving the water resource optimal configuration model. And obtaining an optimal water resource allocation scheme. According to the method, on the premise that regional water consumption red line constraints are guaranteed, collaborative optimization of economic benefits, water shortage control and water consumption rationality is achieved, scientificity, engineering performability and management adaptability of a configuration scheme are improved, and support is provided for actual water resource scheduling and management decision making.

The invention discloses a water tank water shortage detection method of a steaming and baking all-in-one machine, which comprises the following steps: S1, arranging a first detection device and a control device on the outer side of the side wall, in contact with the internal liquid level, of a water tank, connecting the control device with the first detection device through signals, and setting a low water level early warning threshold value in the control device; s2, the first detection device detects a first water level signal in the water tank and transmits the detected first water level signal to the control device; s3, the control device compares the received water level signal with a preset low water level early warning threshold value, if the received water level signal is lower than the preset low water level early warning threshold value, an alarm signal is sent out, and the steaming and baking all-in-one machine is controlled to stop working. Noise caused by idling of the water pump and damage to the mechanical structure of the steaming and baking all-in-one machine can be avoided, and the performance and user experience of the steaming and baking all-in-one machine are greatly improved.

The invention discloses a multi-dimensional water supply dynamic scheduling decision-making system based on digital twinning. The system comprises a multi-source data fusion module, a digital twinning body construction module, a water consumption prediction module, an optimization scheduling module, a water supply path optimization module and a feedback module. The multi-source data fusion module is used for collecting physical sensing data flow and external data flow of the water supply pipe network, performing fusion processing on the physical sensing data flow and the external data flow and static data, and constructing a water demand feature library; the digital twin building module can build a three-dimensional geometric model based on static data; the water consumption prediction module can calculate a final water consumption demand prediction value based on a pre-trained hybrid prediction model. According to the method, the water demand feature library is constructed, the hybrid prediction model is adopted, and multi-dimensional external data streams such as historical water consumption, weather forecast and public calendar are fused, so that high-precision and multi-scale prediction can be carried out, and peak water shortage and valley energy waste are avoided.

The invention discloses an intelligent auxiliary instrument for campus physical training. The intelligent auxiliary instrument comprises a base, a supporting assembly is arranged at the top end of the base, a water storage tank is fixedly installed at one end of the base, a micro pump is fixedly installed at one end of the water storage tank, a water sprayer is arranged at the top end of the base, and a water outlet pipe is fixedly installed at one end of the micro pump; water storage tanks are communicated through communicating holes and connecting pipes, water storage tank inclined panels accelerate water flow guiding, linkage parts such as floating balls and connecting arms are matched, water flow on-off can be automatically controlled according to the water levels of the water storage tanks, when the water level is sufficient, a sealing block seals an adjusting pipe to cut off water, when the water level drops, water replenishing is automatically started, and manual intervention is not needed in the whole process; the sealing cover is anti-pollution, the observation window is convenient for checking water quantity, the workload of frequently observing and replenishing water by workers is reduced, the water in the water storage tank is ensured to be sufficient all the time, cleaning operation interruption caused by water shortage is avoided, continuous and stable operation of instruments is ensured, and practicability and convenience are both considered.

The invention relates to a two-supply steady flow tank and a water supply system, and relates to the technical field of water supply and drainage. The tank body has an inner cavity; the partition assembly is arranged in an inner cavity of the tank body, the partition assembly divides the inner cavity of the tank body into a conventional cavity and a precipitation cavity in the height direction of the tank body, the tank body is provided with a liquid inlet and a liquid outlet at the conventional cavity, and the tank body is provided with a cleaning port and a drain outlet at the precipitation cavity; in the first state, the partition assembly is opened, so that the conventional cavity is communicated with the precipitation cavity, and the cleaning opening and the drain outlet are in a closed state; in the second state, the partition assembly is closed, so that the conventional cavity and the precipitation cavity are separated, and the cleaning opening and the drain outlet are in an open state. The partition assembly separates the conventional cavity from the precipitation cavity during cleaning, so that water in the conventional cavity is not affected when the precipitation cavity is cleaned, water shortage of a user side is avoided, normal water use of a user is not affected, the service life of equipment can be prolonged, the fault frequency is reduced, and the risk of water cut-off is reduced.

The present invention provides a comprehensive analysis and scheduling method based on water supply area data in the water industry. The method obtains water source data, water supply data, and water consumption data in the target area, and then classifies each device node on the path to obtain a final classification result. The method uses the water shortage rate of the demand area as a basis, and determines all device nodes based on the final classification result, water consumption, and water supply. These nodes are connected according to the water supply direction to obtain multiple target paths, from which the final water supply path containing the least device nodes, key device nodes, and the shortest distance is determined. The final water supply path is updated in real time. The present invention comprehensively considers the water shortage rate and multiple factors affecting water supply cost and efficiency to plan the final water supply path, and updates the final water supply path according to real-time data. Therefore, compared with the existing technology, the present invention is more efficient and less costly in water supply, and can ensure that the demand area with the highest water shortage rate can receive water in a timely manner.

The pet water dispenser capable of displaying the water level comprises a water basin (1) for containing water and a water bucket (2) for storing water, the water basin (1) and the water bucket (2) are stacked up and down, and a set of water supply device penetrates through the water basin and is inserted into the water bucket to form a water circulation channel together with the water bucket and the water basin; the water supply device at least comprises a water level detector inserted in the water bucket and used for detecting the water level, a controller connected with the water level detector and used for receiving water level signals and a displayer (4) connected with the controller and used for displaying the water level. According to the utility model, the water quantity in the water bucket can be intuitively and clearly reflected without opening a window or adhering glue, so that secondary pollution can be avoided, and the cleanness of a water source is ensured; the water dispenser can automatically detect the water quantity, send the water quantity information to a mobile phone of an owner, timely inform the owner of adding water when the owner lacks water, ensure that water always exists in the water dispenser, protect healthy water drinking of pets, and improve the practicability of the pet water dispenser and the pet experience degree.

The utility model relates to the technical field of sweepers, in particular to a water tank for a sweeper, which comprises a water tank body, a water retaining mechanism is arranged on the inner side of the water tank body, and a water replenishing mechanism is arranged on the right side of the water tank body. The left side of the water tank body is in threaded connection with a tank cover, a cone is arranged on the left side in the tank cover, and an opening and closing mechanism is arranged between the tank cover and the cone. By arranging the water retaining mechanism and the water retaining shell, waves formed by reciprocating motion in the water tank can be blocked, a locally stable reservoir is formed in the water tank, and a stable water source can be provided for the water outlet even under the condition that water in the water tank fluctuates due to reciprocating push-and-pull work of the sweeper by combining the functions of the flow channel and the communicating groove; therefore, the water outlet amount of the water inlet end of the sweeper is uniform, the problem of non-uniform water outlet amount or transient water shortage caused by waves is avoided, and the cleaning effect of the sweeper is improved.

The application discloses a kind of intelligent water shortage monitoring and soft protection method and system of coffee machine, and the water tank of coffee machine is provided with photoelectric sensor for water shortage detection, and photoelectric sensor does not directly contact with the water of water tank;The method comprises: obtaining the water level detection signal fed back by photoelectric sensor, and analyzing water level detection signal to obtain the water level state of water tank, and the water level state includes the first water level state indicating that the current water level of water tank is lower than the first detection water level of preset or non-first water level state;When it is determined that the water level state of water tank is the first water level state, according to the preset water shortage soft protection program, water shortage control operation is carried out on coffee machine to prompt the user that coffee machine needs to be watered, and water shortage control operation includes water shortage prompt and / or water discharge disable control.

The present disclosure provides a water purifier detection method, device, water purifier, medium and program product. The water purifier comprises a heating body and at least two probes. The method comprises: obtaining a maximum water level value from at least two water level values detected by the at least two probes; determining whether the maximum water level value is greater than a minimum preset water level value and less than a maximum preset water level value; if not, determining that the pipeline water supply is abnormal, setting the abnormal flag bit at the at least two probes to 1, outputting a pipeline water shortage prompt information, and controlling the heating body to be closed. The present disclosure detects the pipeline water level by using at least two probes. When it is determined that the maximum water level value detected by the at least two probes is not within the range of the minimum preset water level value and the maximum preset water level value, it is determined that the pipeline water supply is abnormal, the abnormal flag bit at the at least two probes is set to 1, the pipeline water shortage prompt information is outputted, and the heating body is controlled to be closed. Water shortage detection is realized, and the risk of dry burning of the heating body caused by the failure of the probe affecting the water shortage detection is prevented.

The utility model discloses a mechanical double-insurance automatic water replenishing device which comprises a water tank, a water inlet pipe, a water replenishing switch assembly and a lifting mechanism, the water inlet pipe is arranged on the water tank in a communicated mode, the water replenishing switch assembly comprises a valve and a floater assembly, the valve is arranged on the water inlet pipe, and the floater assembly is rotationally connected to the valve. The valve opens the water inlet pipe to supplement water; when the floater assembly floats to a horizontal state due to water replenishing, the valve closes the water inlet pipe and stops water replenishing, the lifting mechanism is connected with the floater assembly, the floater assembly is directly lifted upwards when water replenishing is completed, or the floater assembly is lifted upwards when water replenishing is completed and floating of the floater assembly fails. According to the mechanical double-insurance automatic water replenishing device, the water replenishing convenience and efficiency of the water tank are improved, the problems that traditional manual water changing is unsanitary and a conventional automatic water replenishing device has potential safety hazards of water overflowing are solved, and the use experience and safety of customers are greatly improved.

The invention discloses a regulation and storage type water storage silt dam and a using method thereof, and relates to the field of hydraulic engineering, the regulation and storage type water storage silt dam comprises a dam body, the dam body is of a trapezoidal section concrete structure, a water storage cavity is formed in the dam body, and a filter body and a stilling pool are arranged on one side of an upstream dam slope of the dam body; the stilling pool is used for precipitating and layering the water body filtered by the filter body; the regulation and storage type water storage silt dam provided by the invention not only has the function of stopping flood, but also can store clear water obtained by filtering and precipitating through the filter body and the stilling basin by the water storage cavity in the silt dam, so that flood and rainwater which are high in silt content and difficult to use are effectively utilized, and the construction of the regulation and storage type water storage silt dam is very convenient to use. According to the utility model, the function of the original silt dam is exerted, the function of the reservoir is also exerted, the problem of water shortage of slope cropland, economic forests and upstream silt crops is solved to a certain extent, favorable conditions are created for intensive saving and utilization of water resources, and the problem of uneven distribution of the water resources is solved.

The invention relates to the field of electrical equipment, and discloses a sewage discharge control method, a water circulation system and a humidifying device. According to the sewage discharge control method, the sewage in the first water tank can be discharged to the second water tank in time, the cleanliness of water participating in the water circulation system is ensured, and the problems that the normal use of the system is affected and the body health of a user is affected due to the fact that water with poor water quality in the first water tank is supplied to the wet curtain are remarkably reduced. The sewage discharge control method comprises the following steps: starting; whether water exists in the first water tank or not is judged; if not, a water shortage signal is sent out, and whether water exists in the first water tank or not continues to be judged; if yes, whether the water quality cleanliness index in the first water tank meets the requirement or not is judged; if yes, the first water tank starts to supply water, and whether the water quality cleanliness index in the first water tank meets the requirement or not continues to be judged; if not, the water in the first water tank is discharged into the second water tank, and whether water exists in the first water tank or not continues to be judged.

The invention discloses a self-flowing type water taking pipeline water taking metering method and system. A water taking head water taking pipeline related design scheme is obtained through investigation, parameters such as pipeline materials, pipeline diameter, elevation and pipeline arrangement are sorted, a simulation range is determined, a normal model is designed according to a gravity similarity criterion, and physical model design and manufacturing are carried out in a laboratory; a scaling scale is determined, a model test is carried out through the model, a flow-tracing ball conveying speed relation curve is drawn, and a flow-tracing ball conveying speed relation expression is deduced; the front-section water taking amount test and the tail-end water taking amount test of the water taking pipeline are carried out, and the leakage water amount and the leakage rate of the self-flowing type water taking pipeline are obtained through calculation; and the water taking amount of the self-flowing type water taking pipeline is calculated through parameters such as a water taking pipeline tail end metering facility and a water taking pipeline leakage rate. The water taking amount of the self-flowing type water taking pipeline can be efficiently and accurately calculated, and the metering problem under the condition of lacking of a water taking metering device is solved.

The invention discloses a cascade reservoir group multi-target optimization scheduling method based on an NSGA-III algorithm. The method comprises the following steps: establishing a multi-target scheduling model taking power generation benefit maximization, ecological water shortage minimization, water supply shortage minimization and shipping interruption day number minimization as target functions; solving the multi-target scheduling model by adopting an NSGA-III algorithm to generate a plurality of optimal solutions under constraint conditions so as to form an optimal solution set; and selecting an optimal solution from the optimal solution set as an optimal scheduling scheme. The method aims at solving the multi-target optimization problem of how to realize power generation benefit maximization, ecological water shortage minimization, water supply shortage minimization and shipping interruption day number minimization on the premise of ensuring flood control safety in cascade reservoir group multi-target scheduling.

This utility model discloses a pet water fountain, belonging to the field of pet supplies technology. It includes: a water tank and a main unit integrated on a base; a drinking tray positioned above the water tank and connected to it via a drain outlet. The main unit houses a first water pump and a second water pump. The first water pump's inlet is connected to the water tank, and its outlet is connected to a detachable filter head. The filter head's outlet is located on top of the drinking tray, forming an internal circulation purification loop between the water tank, the first water pump, the filter head, and the drinking tray, achieving continuous filtration and flowing water supply. The second water pump's inlet is connected to an external water source, and its outlet is connected to the filter head, forming an external water supply loop between the external water source, the second water pump, the filter head, the drinking tray, and the water tank. Both loops share a filter head, ensuring that all water entering the system is purified. This structure achieves fully automatic operation with "drinking and filtering simultaneously, replenishing water as needed," improving the device's intelligence level and making it suitable for long-term unattended scenarios, avoiding water outages and water pollution problems.

The utility model relates to the technical field of secondary drainage pipe fittings, and discloses a caisson secondary drainage embedded part capable of automatically supplementing water seal, which comprises a drainage pipe connecting pipe and a water seal box arranged on the outer surface of the drainage pipe connecting pipe, an outer chamber and an inner chamber are arranged in the water seal box; a first water passing hole communicated with the drain pipe connecting pipe is formed in the side surface of the inner cavity; a second water passing hole is formed in the top of the outer cavity; communicating holes are formed in the bottoms of the outer chamber and the inner chamber; a dripping olecranon is arranged on the edge of the first water passing hole, and the dripping olecranon deviates to one side of the inner cavity; the water seal box structure is arranged on the outer side of the drain pipe connecting pipe, secondary drainage is achieved, meanwhile, water seal is conducted on a drain channel, and peculiar smell gas is prevented from flowing backwards; the drip olecranon is arranged on the edge of the first water passing hole, so that drained water flowing down from the drain pipe connecting pipe can flow into the water seal box along the drip olecranon, an automatic water replenishing function is realized, and the problem of water shortage and odor return in the water seal box can be solved.

The utility model discloses a kind of seawater desalination devices, including box, evaporative assembly installed on the upper end of box, and evaporative assembly is light-transmitting component, light-transmitting component is as freshwater carrier;And the freshwater conduit structure connected with light-transmitting component;Device can adjust the inclination angle of light-transmitting component, to adjust light-transmitting component side to freshwater conduit structure inclination, and drive the freshwater obtained by evaporation side to freshwater conduit structure flow;Device has water outlet in position close to bottom, and freshwater conduit structure is led out by water outlet and is communicated with the water tank outside device.The device of the utility model can adjust the angle of freshwater carrier to improve the amount of freshwater pipe collecting freshwater, reduce the probability that freshwater is not timely recovered and makes it re-dripping seawater storage space due to drainage problem, overall structure is more simple, meet the use requirement of seawater desalination in water shortage and relatively difficult area.

The utility model relates to the technical field of dam filling, and discloses a dam filling material water adding device which comprises a first base, and first supporting legs are fixedly connected to the periphery of the surface of the first base. According to the dam filling material water adding device, a user enables water flowing into a first material containing filter box to pass through a second water storage tank again through a first water storage tank and then sprays materials in the first material containing filter box again, and at the moment, when the materials on a first screen are too many and need to be cleaned, the user rotates first clamping blocks at the two ends of the inner wall of a first extending block towards the two sides; water circulation is formed through the first water storage tank and the second water storage tank, waste of water resources can be effectively reduced, the device can adapt to some arid areas or construction sites with shortage of water resources, continuous supply of construction water can be guaranteed through the function, project progress delay caused by water shortage is avoided, and construction efficiency is improved. And pollution to surrounding water bodies can be reduced by circulating water.

The utility model discloses a safety water seal, which relates to the technical field of safety water seals and comprises three safety water seals and two communicating pipes, a water pipe connected with a water source end is arranged at the top of one safety water seal, and an automatic valve is arranged at one end, close to the safety water seal, of the water pipe. An electrode type liquid level meter is further arranged on the inner side of each safety water seal, a communicating mechanism is arranged between the three safety water seals and one communicating pipe, a sewage discharging mechanism is arranged between the three safety water seals and the other communicating pipe, the electrode type liquid level meter judges whether the safety water seals are lack of water or not, and the automatic valve is interlocked with the electrode type liquid level meter. When the upper limit of the liquid level is detected, the automatic valve is closed, when the lower limit of the liquid level is detected, the automatic valve is opened, the height of the upper limit of the liquid level is lower than that of an overflow port of the safety water seal, the liquid levels of the multiple safety water seals are automatically controlled at the same time under the condition that only one electrode type liquid level meter and the automatic valve are used, and the problems that the water amount of an existing safety water seal cannot be accurately controlled, and resources are wasted are solved.

This application discloses a water supply status detection method, apparatus, and self-moving device. The water supply status detection method is applied to a water supply pipeline connected to the outlet of a receiving cavity. A heater is installed inside the receiving cavity, and a temperature sensor is installed in the water supply pipeline. The method includes: receiving a heating instruction; activating the heater based on the heating instruction; and determining the water supply status of the heater based on temperature change information detected by the temperature sensor. The water supply status characterizes whether the water supply pipeline is supplying water normally. This method can promptly detect abnormalities in the water supply pipeline, prevent the heater from dry-burning in a water shortage state, and improve the safety and reliability of the equipment.

The present application relates to an ice making apparatus. The ice making equipment comprises an inner container, a water containing box, a water pipe, a water pump, a water level detection piece and a liquid detection piece. The inner container comprises an ice-making installation part and a water storage part, and the water containing box is arranged on the ice-making installation part. The water pipe is provided with a water inlet end and a water outlet end, and an outlet of the water outlet end faces the water containing box. A water pumping opening of the water pump communicates with the interior of the water storage part, and a water outlet of the water pump communicates with the water inlet end and is used for conveying water to the water pipe through the water inlet end. The water level detection piece is arranged in the water storage part and used for detecting the water level height in the water storage part. The liquid detection part is arranged at the water outlet end and used for detecting water flowing through the water outlet end. The water level detection piece and the liquid detection piece of the ice-making equipment can detect the full water state and the water shortage state in the water storage part, so that the operation safety of the ice-making equipment is improved.