91results about How to "Ensure normal water use" patented technology

The invention discloses a control method and control device of a heat-pump water heater and the heat-pump water heater. The control method includes the steps of S10, detecting whether a main temperature sensor in a water tank breaks down or not, executing the step S11 if the main temperature sensor does not break down, executing the step S12 if the main temperature sensor breaks down, S11, judging whether the starting condition of a heat pump main machine is met or not according to the water temperature sensed by the main temperature sensor, executing the step S12 if the starting condition of the heat pump main machine is met, executing the step S10 if the starting condition of the heat pump main machine is not met, S12, starting a water pump in a circulation water route for a certain preset time in a continuous mode, S13, judging whether the starting condition of the heat pump main machine is met or not according to the water temperature sensed by an auxiliary temperature sensor, executing the step S14, if the starting condition of the heat pump main machine is met, executing the step S10 if the starting condition of the heat pump main machine is not met, and S14, starting the heat pump main machine to conduct heating. According to the control method of the heat-pump water heater, water temperature detection deviations caused by abnormal reasons can be effectively removed, the heat pump main machine can be normally started and stopped, and water utilization of a user is guaranteed.

The invention discloses a planting device with a water storage function. The planting device comprises a tank. An opening is formed in the upper end of the tank, and at least one vertical partition plate is arranged in the tank and is lower than the opening in the upper end of the tank; the tank is divided into at least two spaces by the partition plates, and each space is used as a primary planting chamber or a primary water storage chamber; vertical water partition plates are arranged in the primary planting chambers or the primary water storage chambers, and water seepage chambers are arranged among the water partition plates and the partition plates and are used for being filled with soil; the bottoms of the primary water storage chambers are communicated with the bottoms of the water seepage chambers; cover plates are arranged on the primary water storage chambers. The planting device has the advantages that water can be stored in the primary water storage chambers, at least one plant can be planted in each primary planting chamber, side roots of all the plants can absorb moisture or nutrients from the water seepage chambers, and accordingly the planting device can assist the roots of the plants to meet growth requirements of all the plants; the planting device has the water storage function and can be used in places with shortage of water, and accordingly the purpose of greening drought regions can be achieved.

The invention relates to an urban water-supply system based on big data, and a water-supply method. The water-supply system comprises a water-supply high-pressure tank and a main water-supply pipelineand further comprises a circulating water pipeline and a manhole; a plurality of branch water-supply pipelines are connected to the main water-supply pipeline, water in the water-supply pipes can keep flowing through the circulating water pipeline and a circulating water recycle pool to avoid long-term staying and depositing and water quality deteriorating, the water flow and the water quality are monitored in real time through the manhole, the water flow is convenient to adjust in time, sewage is convenient to treat in time, the water-supply method can deal with various emergencies, and various ways can be adopted to guarantee water supply.

The invention particularly relates to a household dishwasher. The household dishwasher comprises a washing frame arranged in a household water tank, a spraying arm and a water cycling box arranged outside the household water tank. The spraying arm is installed on a launching hole in the household water tank, and the washing frame is arranged on the spraying arm. The water cycling box comprises a shell, a water storing cavity, a hot water delivery pipe, a filtering net, an electric heating element, a water pump and a control circuit, wherein the water storing cavity is formed in the shell, and an opening of the water storing cavity is closely communicated with a launching opening in the household water tank; the hot water delivery pipe is arranged in the water storing cavity, one end of the hot water delivery pipe penetrates through the opening and is communicated with the spraying arm, and the other end of the hot water delivery pipe is communicated with the water storing cavity; the opening is filled with the filtering net, and the filtering net is closely attached to the outer wall of the hot water delivery pipe; the electric heating element and the water pump are arranged in the hot water delivery pipe, and are connected with the control circuit respectively; the control circuit comprises a timing sub-circuit. By means of the household dishwasher in the technical scheme, intelligent dish washing is achieved on the premise that an existing household water tank is not replaced.

The invention discloses a water storage planting box. The water storage planting box comprises a box body with an upper open end, wherein a vertical partition board, which is vertically arranged, is arranged in the box body, and the box body is divided into a planting room and a water storage room through the partition board; a water stop sheet, which is vertically arranged, is arranged in the planting room or the water storage room, and a water seepage room is arranged between the water stop sheet and the partition board; the water storage room is communicated with the water seepage room. According to the water storage planting box, owing to the water storage room, stored water in the water storage room can be taken as water required in a growth process, so that the water storage planting box is applied to greening of water-deficient areas, such as saline-alkali soil and desert. Water is injected into the water storage room through manually injecting the water once a year or collecting the natural water, so that the water for greening is saved on the premise of guaranteeing thriving of the sown plant.

The invention relates to a peak regulation control method based on a water use curve, and the method comprises the following steps: obtaining historical water data, and generating a water consumptionmode curve through a water curve model; generating a water tank liquid level target curve through a liquid level curve model based on the water consumption mode curve; adjusting the opening degree ofthe adjusting valve in different time periods by combining the actual liquid level data of the water tank, and adjusting the opening degree of the adjusting valve to continuously approach to the target liquid level according to the check difference between the stage target of the water tank liquid level target curve and the actual liquid level data. The invention further relates to a peak regulation control device based on the water use curve. The regulation and storage capacity of the water tank can be fully utilized, and water for residents is guaranteed.

A water receiving tank is arranged in a pool, a turning groove is formed in the water receiving tank, and an opening of a pool water inlet pipe is arranged above the turning groove. One end of the water receiving tank is connected with a water outlet pipe of a pool, and a filtering layer is arranged between the other end of the water receiving tank and the pool. The filtering layer can prevent impurities from flowing to users, when the turning groove is full of water, the turning groove is inclined to wash the filtering layer, and the filtering layer can work normally.

The invention relates to the technical field of water supply equipment and especially relates to a high-rise bidirectional constant-pressure water supply device which comprises a steady flow compensator, wherein a valve, a water supply pump and a check valve are serially connected with the steady flow compensator; a pressure stabilizing jar is connected with the check valve; the quantity of the pressure stabilizing jar is at least one. The high-rise bidirectional constant-pressure water supply device has the advantages that the water supply efficiency is effectively increased, the normal water usage of the user is ensured under the condition of any variable water usage, the energy-saving effect is obvious and huge economic and social benefits are generated.

The invention discloses a drinking water sharing system, comprising a raw water tank, a raw water pump, a quartz sand filter, an activated carbon filter, a chemical dosing device, a security filter, a high pressure pump, a reverse osmosis system, an ozone generator, an ozone mixing tank, a buffer water tank, an ultraviolet ray (UV) disinfection lamp, a mineral dosing device, a finished product water tank, a water quality testing system, a variable-frequency water supply system, a smart billing system, mobile phone clients and a data acquisition screen. The drinking water sharing system adopts a complete set of disinfection equipment and a complete set of filtration equipment to treat tap water, and conveys the water to all users when the water reaches drinking water standards. The technical scheme has the advantages that the water quality of the drinking water can be ensured; furthermore, a real-time water quality monitoring system is arranged, and water quality indexes can be publically announced to the users by means of the water quality index data acquisition screen (LED).

The invention discloses a GRU neural network-based residential water consumption prediction system and prediction method, and the system comprises: a prediction model construction module which is used for constructing a two-layer GRU residential daily water consumption prediction model; a prediction model training module which is used for collecting influence factors such as daily water consumption of residents, weather types, highest and lowest temperatures and workday types, and inputting feature vectors corresponding to the influence factors into the two-layer GRU network to achieve training of a daily water consumption prediction model of the residents; a test prediction model module which is used for taking the feature vectors corresponding to the influence factors as test data and inputting the test data into a trained resident daily water consumption prediction model to predict the resident daily water consumption; and a water supply management module for managing the daily water supply amount of the residents according to the prediction. According to the invention, daily water supply management of residents can be timely and accurately carried out according to prediction, early warning is realized, countermeasures are taken, and normal water consumption of residents is guaranteed.

The invention discloses a remote operation parameter regulation and control method applied to a constant-pressure water supply system. A single-chip microcomputer module, a data operation unit, a data control unit, a data receiving unit and a data scheduling unit are adopted as remote operation parameter regulation and control tools applied to the constant-pressure water supply system. The remote operation parameter regulation and control method applied to the constant-pressure water supply system comprises three steps. Based on a PLC control subsystem of an existing secondary water supply system, only a small number of components are added, so that the overall cost is low and the use is convenient; the data scheduling unit can conveniently control pressure threshold data of a PLC at the far end in application; the PLC controls a water pump to keep relatively low water amount and low water pressure in the low-peak time period of water use to supply water to a user side pipeline, so that the energy-saving purpose is achieved; and the frequency of a frequency converter can be improved in real time under the condition that the PLC does not change an original pressure setting threshold value in the high-peak time period of water use, so that the rotating speed of the water pump is increased, the power is increased, the water pressure of a user side is increased, and normal water use of high-rise residents in the high-peak time period of water use is guaranteed.

The overflow dam features its A-shaped steel skeletons arranged in certain interval inside river in the water flow direction. It has fixed piles on river banks, steel cables stretched between each two adjacent steel skeletons and between the steel skeleton and the fixed pile upstream face, and steel wire net spread onto the steel cables, and woven fabric on the surface of the steel wire net. It has low cost, easy construction, firm structure and long term acting. The present invention is used not only in field irrigation but also in blocking burst for fighting blood.

The embodiment of the invention discloses an automatic tap water cutoff closing device and relates to the technical field of articles of daily use. When tap water supply is cut off, connection between the tap and a water pipe is timely cut off. The automatic tap water cutoff closing device comprises a valve body, wherein the valve body is of a cylindrical structure with an opening formed in the side surface; the end part, which is positioned on the lower side, of cylindrical structure is a water inlet; the opening formed in the side surface is a water outlet; a cutoff structure is positioned in the valve body and comprises a piston assembly, and the axis of the piston assembly is coincided with the axis of the valve body; locking structures are positioned on two sides of the piston top of the piston assembly and comprise two clamping pieces and a first spring; a first through hole is formed in one end of each clamping piece; a fixing part used for fixing the locking structure is arranged in each first through hole; the middle of each clamping piece takes the shape of a hunch-up half ring, and the other end of each clamping piece takes the shape of a half U; the first spring is connected with the semi-U-shaped parts of the two clamping pieces. The device disclosed by the invention is applied to domestic water supply.

The invention relates to a high-efficiency energy-saving full-automatic back-flush non-negative-pressure water supply device, and belongs to the field of water supply devices. The water supply device mainly comprises a support. A flow stabilizing tank, a booster pump, an energy accumulator and a control cabinet are arranged on the support. A negative pressure eliminator and a pressure gauge are arranged on the flow stabilizing tank. The inlet end is connected with a tap water pipe network controlled by a water inlet electronic control valve, and the outlet end is connected with a water inlet main pipe. One end of the water inlet main pipe is connected with a drain pipe controlled by a drainage electronic control valve. The inlet end of the booster pump is connected with the water inlet main pipe, and the outlet end is connected with a water outlet main pipe through a check valve and a valve. A pressure gauge is arranged on the water outlet main pipe. A bypass pipe is connected between the water inlet main pipe and the water outlet main pipe. The water inlet and the water outlet of the energy accumulator are connected with the water outlet main pipe through the electronic control valve. A cleaning device composed of an annular pipe, branch pipes and spraying nozzles is arranged in the flow stabilizing tank. The inlet of the cleaning device is connected with the water outlet end of a back-flush water pump.

The invention discloses a solar heat collection type water storage device based on a mobile wooden house. The device comprises a solar heat collection device and an automatic water storage device, theautomatic water storage device comprises a water storage bucket, a water suction pump and an automatic start device, the solar heat collection device comprises a solar heat absorption panel, the solar heat absorption panel is provided with a water inlet and a water outlet, and the water inlet, the water outlet and the water storage bucket form a circulation water path. By designing the structuresof the solar heat collection device and the automatic water storage device, by means of the cooperation of a floating ball and the automatic start device, automatic water storage of the water storagebucket is achieved; meanwhile, by means of the novel structure design of the solar heat collection device, on the premise of sufficiently utilizing solar energy, a circulation loop is formed betweenwater heated in a spiral water path and the water storage bucket, normal water utilization of plateau sections and herdsmen in cold environment is also ensured, structural design is ingenious, the cost is low, and the practical value and the popularization value are high.

The invention discloses an intelligent solar energy water supply system and method for pasturing area households. The intelligent water supply system includes a controller, a power supply module, a reservoir, a direct current water pump, a livestock autodrinker and household water, the controller is electrically connected with the power supply module, the power supply module is electrically connected with the direct current water pump, a water inlet of the direct current water pump is connected with underground water, a water outlet of the direct current water pump is connected with the waterinlet end of the reservoir, the water outlet end of the reservoir is connected with the livestock autodrinker and the household water, the power supply module comprises a solar energy photovoltaic panel and a storage battery, the solar energy photovoltaic panel is provided with an illumination intensity sensor, the illumination intensity sensor is connected with the controller, the solar energy photovoltaic panel is electrically connected with the controller, the direct current water pump and the storage battery, and the storage battery is electrically connected with the controller and the direct current water pump. The intelligent water supply system further includes a touch screen.