63results about How to "Avoid repeated heating" patented technology

The invention discloses an electric water heater and a heating control method thereof. The heating control method comprises steps as follows: the total time for heating control is arranged and equally divided into a plurality of work period, and each day in each work period is divided into a plurality of time slots; in the first work period, the electric water heat is controlled to carry out heating or heat preservation, so that reserved hot water is kept in the electric water heater; the second work period is entered, whether the number of days, in which water is discharged at the same time slot, in a plurality of days in the first work period is larger than the predetermined number of days (N), is judged; if the number of days is larger than A, the time slot is a regular time slot; if not, the time slot is an irregular time slot; in the second work period, the electric water heat is controlled to carry out heating or heat preservation, so that reserved heat water volume is kept in the regular time slot; work periods after the second work period are entered sequentially, in each work period, whether time slots are regular or irregular time slots is judged, and the electric water heater is controlled to carry out heating or heat preservation according to the result. According to the heating control method, water use habits of users can be followed up, and heating is adjusted in real time.

The invention discloses an intelligent drinking water heating device and method. The intelligent drinking water heating device comprises a water fountain body, an information acquisition unit, a human-computer interaction unit and a core control unit, wherein the information acquisition unit and the human-computer interaction unit are connected to the core control unit through a data bus respectively; and the core control unit is connected with a heating system of the water fountain body through an electronic relay. According to the method, on the basis of fine adjustment parameters set by a user and environment variables acquired by sensors, acquired parameters are processed by a habit matching algorithm, the heating time of the heating device of a water fountain is calculated, and whether the heating of the drinking water heating device at a current moment is required is judged to further control the heating process of the drinking water heating device. When the user presses a liquid crystal screen to get water, the water getting starting moment of the user is also recorded in a water discharging process. The habit matching algorithm-based drinking water heating method has the advantages of healthy water drinking, energy saving, environmental friendliness, operational simplicity and humanization.

The invention discloses a purified water direct drinking machine. The purified water direct drinking machine comprises a machine case as well as a water tank, a heating water tank, a filter, a water pump and a main control circuit board which are mounted in the machine case. According to the purified water direct drinking machine, the volume of water required to be heated is set through a water volume adjustment knob; the main control circuit board is used for controlling a hot water outlet electromagnetic valve, a cold water outlet electromagnetic valve, a flushing electromagnetic valve, a water addition electromagnetic valve and the like, so that drinking water required by a user can be heated and prevented from being unnecessarily and repeatedly heated, and the purpose of energy conservation is achieved; and in addition, the filter can be self-cleaned by virtue of opening and closing of the flushing electromagnetic valve.

The invention discloses a method and a die for preparing a magnesium alloy board with multistage continuous corner cutting deformation. Friction generated by dual-roller rolling deformation is utilized to provide power, multistage continuous corner cutting deformation of the to-be-processed magnesium alloy board is realized through a die with a continuous curve passage. The passage is stepped, each passage section has equal height, and the included angle between each two adjacent passage sections is equal. The method has the advantages that the process is simple, devices are convenient to produce, large cutting deformation and strain accumulation can be achieved in single-gate rolling deformation, production efficiency is improved evidently, microstructure and crystal orientation of the magnesium alloy board are improved more effectively, and accordingly comprehensive mechanical performance and secondary machining performance of the magnesium alloy board are improved.

The invention discloses a sterilization method for fresh-kept wet rice noodles, belonging to the technical field of food processing. The sterilization method has the following preparation process: cleaning milled early long-grain nonglutinous rice, carrying out soaking, pulping and pulp blending, then performing one-time extrusion molding by using a fully-automatic rice flour machine, and carryingout dispersing; sterilizing dispersed fresh wet rice noodles by using acidic electrolyzed oxidizing water in a closed soaking or spraying manner; draining the sterilized fresh wet rice noodles in a sterile or clean environment, packaging the drained rice noodles into a proper packaging bag, and sealing the packaging bag after the packaging bag is not vacuumized or moderately vacuumized; and carrying out pasteurization on the packaged rice noodles, and carrying out cooling so as to obtain the fresh-kept wet rice noodle product. The method provided by the invention is highly-efficient and thorough in sterilization, simple in process, convenient to operate, low in cost, free of pollution and residues, free of damage to the taste and quality of the fresh wet rice noodles and wide in market prospect.

A novel hot extrusion tee joint forming process comprises the following steps: Step one, rolling steel plates: a stamped steel plate is divided into three areas arranged in parallel according to the depth, namely an end part area, a middle part area and a tail part area; the wall thickness of the middle part area is greater than those of the end part area and the tail part area; smooth transition; Step two, molding and welding a steel tube, and manufacturing the steel tube: a thickening area is formed on the wall of the area where the middle part area is; Step three, trepanning, extruding and forming a tee joint workpiece: marking out a line and trepanning in the thickening area; Step four, shaping processing: heating to about 900 DEG C, heat preserving, and shaping. The novel hot extrusion tee joint forming process is optimized based on the conventional process, comparatively simpler, saves the steel tube flattening and bulging processes, greatly saves the product manufacturing time, and improves the working efficiency; when the flattening and bulging processes are saved, the manufacturing and molding time of a tee joint is greatly reduced, and the entire production cycle is substantially shortened.

The present invention relates to a quickly-heating water-drinking machine containing no thermos inner flask. It includes the following several portions: shell body, bottle seat, water tank, power switch, cold water outlet, cold water tube, cold water value, quick heating device, water outlet of quick heating device, hot water outlet and its electromagnetic valve, heat sensor and control circuit. Said invention also provides the connection mode of all the above-mentioned portions and the working principle of said water drinking machine.

The invention relates to a double-metal channel solar vacuum heat collecting tube, in which a metal heat conducting tube is set inside an ordinary glass vacuum heat collecting tube, the metal heat conducting tube is a blind tube, and a flow guide tube is set inside it, and the flow guide tube is two ends An open metal tube, a hot water channel is reserved between the metal heat conduction tube and the flow guide tube, the axes of the above three tubes coincide after being combined, and at the same time, the open end of the metal heat conduction tube is exposed from the flow guide tube, and the metal heat conduction tube The tube exposes the open end of a common glass vacuum collector tube. By setting the metal heat pipe, the contact between water and the heat collecting pipe is avoided, which facilitates the replacement of the heat collecting pipe. At the same time, the setting of the guide pipe can separate the incoming cold water from the heated hot water, avoiding repeated heating of cold and hot mixed water, and improving the efficiency. Utilization of thermal energy. It can be widely used in solar headers.

The invention provides a heating integrated table top direct drinking machine. The heating integrated table top direct drinking machine comprises a casing, wherein an inner middle frame is fixed in the casing; a power control box body, a water purifying box, a hot water valve, a warm water valve, a water inlet ball valve, a heating pot, a boosting pump and a filtering treatment unit are fixed on the inner middle frame; a display screen panel, a water outlet and a water containing plate are arranged on the side surface of the casing; a water inlet and a concentrated water discharge hole are formed in the back of the casing; the water inlet, a low-pressure switch, the water inlet ball valve, the boosting pump and the filtering treatment unit are connected in sequence through pipelines; a purified water outlet and a concentrated water outlet of the filtering treatment unit are respectively connected with a water inlet end and the concentrated water discharge hole of the water purifying box; one part of a water outlet end of the water purifying box is connected with a water inlet of the heating pot; the other part of the water outlet end of the water purifying box is connected with the warm water valve and enters a water outlet pipeline of a main frame; a water outlet of the heating pot is connected with the hot water valve and enters the water outlet pipeline of the main frame; the water outlet is connected with the water outlet pipeline of the main frame. The heating integrated table top direct drinking machine integrates warm water and hot water, meets multiple water drinking demands, and is energy-saving, safe, and high in intellectualization level.

The invention discloses an energy-saving type water dispenser. The energy-saving type water dispenser comprises a case, and a water tank, a heating water tank, a filter, a water pump and a master control circuit board, which are mounted in the case. The quantity and temperature of water needing to be heated are set through a water quantity adjusting knob and a water temperature adjusting knob, a boiled water outlet solenoid valve, a cool water outlet solenoid valve, a washing solenoid valve, a water feeding solenoid valve and the like are controlled through the master control circuit board, and then drinking water needed by a user is heated, so that unnecessary repeated heating of the drinking water is avoided and the energy-saving aim is realized; and furthermore, the filter disclosed by the invention can realize a self-cleaning effect with the help of on/off of the washing solenoid valve.

The invention discloses an intelligent control method of an electric water heater and a control circuit board. The intelligent control method of the electric water heater comprises the steps of S101,collecting parameter information, water yield, water outflow temperature of the electric water heater, the temperature pre-set by a user and the position information of the user; S102, calculating thetemperature difference between the temperature pre-set by the user and the water outflow temperature of a water tank in the electric water heater; S103, estimating the time when the user gets home according to the position information of the user; and S104, performing heating starting action on the electric water heater according to the calculated temperature difference and the time when the usergets home. The electric water heater can perform heating in advance according to the time when each user gets home, repeated heating can be avoided, and accordingly energy can be saved.

The invention discloses an intelligent household water dispenser, and belongs to the field of water dispenser equipment, the intelligent household water dispenser comprises a shell and a water bucket, the front end of the shell is provided with a plurality of touch screen buttons, the front end of the shell is provided with a water receiving tank, the water receiving tank is internally provided with a water receiving box, the shell is internally provided with a mounting chamber, and the mounting chamber is internally provided with a heating box, a normal-temperature box is arranged on one side of the heating box, a first water suction pump is arranged between the heating box and the normal-temperature box, and one end of the first water suction pump is connected with the water outlet through a pipeline. When hot water does not need to be used, hot water in the heating box is transferred into the heat preservation pipe, when hot water needs to be used again, a second water suction pump, a third electromagnetic valve, a first water suction pump and a first electromagnetic valve between the first water suction pump and the normal temperature box can be opened, and the hot water in the heat preservation pipe is discharged from a water outlet, in this way, the time for heating the cooled water in the heating box again by the heating box can be shortened, and meanwhile repeated heating of the same batch of water can be avoided.

The invention relates to the technical field of grid machining, and discloses a two-side heating device for a grid, which includes a base, a first guide roller and a second guide roller, the first guide roller and the second guide roller are vertically and rotatably connected to both ends of the base, The front end of the base is provided with a feeding table which can move up and down along one side of the base, the base is respectively provided with heating lamps on both sides of the composite mesh grille, and an adjusting mechanism which can adjust the distance according to the weight of the composite mesh grille is arranged between the heating lamps on both sides. The invention improves the utilization rate of heat of the hot melting line and shortens the hot melting time. According tothe weight of the composite mesh grating, the distance between the composite mesh grating and the heating lamp is adjusted, so that the hot melting effect is good.

The invention discloses a water dispenser and a control method thereof. The water dispenser comprises a water dispenser shell, a water storage bucket and a water outlet valve, wherein a cup seat is arranged at the lower part of the shell; the water outlet valve is arranged above the cup seat; the water dispenser further comprises a controller arranged in the shell, a water outlet valve sensor and an electric heating device arranged in the water storage bucket; the controller is arranged in the shell; the water outlet valve sensor is arranged on the water outlet valve; the water outlet valve sensor and the electric heating device are connected with the controller; the controller receives a signal transmitted by the water outlet valve sensor to control on and off of the electric heating device. According to the water dispenser, if the water outlet valve is not opened for a long time, the controller controls the electric heating device to be off without manual operation; therefore, long-time repeated heating of water in the water dispenser is avoided, substances harmful to a human body are reduced, and the health of people is benefited.

The invention discloses a water dispenser capable of avoiding repeated heating of drinking water and a using method of the water dispenser, and belongs to the field of water dispensers. The water dispenser capable of avoiding repeated heating of drinking water comprises a water dispenser body; a water inlet is formed in the water dispenser body; a containing groove is formed in the water dispenser body; a transverse plate is further arranged in the water dispenser body; a vertical plate is perpendicularly arranged at the bottom of the transverse plate; the transverse plate and the vertical plate divide the bottom of the water dispenser body into a heating groove and a normal temperature groove; a second floating plate is arranged in the containing groove; a cavity is formed in the second floating plate; an air bag is arranged in the cavity; an air release valve is arranged in the through hole; a first floating plate is arranged in the heating groove; and blocking pieces are arranged on the first floating plate and the second floating plate. Drinking water can be prevented from being repeatedly heated in the heating groove, harm to the human body due to repeated heating of the drinking water is avoided, and meanwhile, negative oxygen ions are added, so that the physical fitness of people can be improved.

The invention provides a safe water drinking device with a movable electric heating water cup, comprising a water drinking device shell, a water nozzle, a movable electric heating water cup and a control circuit board; the water drinking device is provided with a table plate which is used for receiving the electric heating water cup and a socket specially used for the electric heating water cup; the electric heating water cup is provided with a power plug and an electric heating pipe or an electric heating wire; the control circuit board is provided with a load detection circuit and a relay CJ; the N wire and L wire of the power are electrically connected with the socket specially used for the electric heating water cup respectively by two pairs of normal-open contacts of the relay CJ; the load detection circuit is electrically connected with the socket specially used for the electric heating water cup respectively by two pairs of normal-close contacts of the relay CJ; when being started, the load resistance Rf is detected firstly; only when the load resistance Rf meets the requirement, the heating by electrifying or water pump starting can be carried out, thus improving the usage safety of the water drinking device.

The invention discloses a control method and system for a smart water dispenser, and relates to the technical field of smart household electric appliances. The system comprises the smart water dispenser, a wireless video monitoring device, three human body sensing switches and a water level alarm; the wireless video monitoring device is fixed at one corner of the top of the smart water dispenser,the water level alarm is connected with a third electronic switch in series, the water level alarm, the third electronic switch and a mains supply form an electric path, a water level alarm and an elimination alarm are given out, an electronic timing switch is adjusted, and the three human body sensing switches are connected with one another in parallel and then connected with the electronic timing switch in series; when a person walks towards the smart water dispenser, the smart water dispenser starts and stops at intervals in the normal working time or the rest time; meanwhile, a first electronic switch, a heating module and a constant temperature control module are used for being connected with the mains supply in series so that the system can be quickly powered on for heating; the system can be remotely controlled to be started for heating, the heating interval period is set according to the temperature at the same time, repeated heating is prevented, the energy is saved, and the environment is protected.

The invention relates to the technical field of electric kettle and in particular provides a control circuit of an electric kettle and the electric kettle. The control circuit includes: a signal detection unit, with an input end thereof being connected to an input power supply through a second switch and used for detecting and outputting a starting signal of the electric kettle; a heating controlunit with an input end thereof being connected to an output end of the signal detection unit and an output end thereof being connected to a heating device of the electric kettle, wherein the heating control unit controls the heating device to work according to the starting signal output by the signal detection unit; and a feedback control unit with a first input end thereof being connected to thesignal detection unit, a second input end thereof being connected to the heating device and an output end thereof connected to the second switch, wherein the feedback control unit generates a feedbacksignal according to the starting signal detected by the signal detection unit and a working state signal of the heating device, and cuts off the second switch according to the feedback signal. The control circuit of the invention avoids the problem of automatically starting water boiling of the kettle repeatedly, thereby achieving higher security.