30results about How to "Water temperature is accurate" patented technology

The invention discloses an instant heating water dispenser based on the internet of things and belongs to the technical field of water dispensers. The instant heating water dispenser based on the internet of things is mainly characterized in that a drinking water instant heater and a control circuit board are arranged in a water dispenser shell, a wireless communication module is arranged on the control circuit board, and a temperature monitoring sensor, a drinking water monitoring sensor, a flow monitoring sensor, a water pump and a water quality detection sensor are arranged on a water channel; the control circuit board can monitor collected water data through the sensors. According to the water dispenser, instant heating of drinking water can be achieved, the outflow water temperature and the outflow water amount can be accurately controlled, and the water quality can be detected; water consumption information can be transmitted through the internet of things, timely water supply isreminded, water consumption requirements of people are met, and the water dispenser has the advantages of being safe, capable of saving energy and intelligent.

The present invention provides a cooling tower outlet water temperature measurement device and method. The device comprises test modules being put in a reservoir and comprising a water collection vessel and a temperature monitor arranged in the water collection vessel, wherein the water collection vessel is configured to collect cooling water flowing out from a spraying device of a cooling tower,and there are the plurality of test modules which are in one-to-one corresponding arrangement with a plurality of preset spraying positions of the spraying device to collect cooling water flowing outat each preset spraying position. The cooling tower outlet water temperature measurement device solves the problem that the cooling tower outlet water temperature measurement mode is poor in precisionin the prior art.

The invention discloses a gas water heater and a control method thereof, belongs to the field of water heaters and control methods thereof, and is designed for solving such problems as difficult realization in a traditional device. The gas water heater comprises a shell, and a water pipe arranged in the shell; a water current server is arranged at a water inlet end of the water pipe, and includes a water current sensor, a stepper motor and a water adjusting valve element; and when the water inlet quantity is changed, the water current server is used for adjusting the water inlet quantity to reach a set value. The control method based on the gas water heater continuously detects the water inlet quantity; when the numerical value of the water inlet quantity is deviated from the set value, the water current server is used for compensating the water flow; and a gas valve synchronously adjusts to guarantee constant water outlet temperature. The gas water heater can keep stable water inlet quantity to guarantee stable water outlet temperature thereof. The control method based on the gas water heater is convenient for use, easy to operate and more precise in control of the water outlet temperature.

The invention discloses a gas water heater capable of achieving multi-stage flow limiting and temperature control. The gas water heater comprises a burner, a heat exchanger, a water inlet pipe, a water outlet pipe, a discharged water temperature detecting device, a water flow detecting device, a gas proportional valve, a first water adjusting device and a controller; the first water adjusting device comprises a first valve body, a first flow stabilizer and a control valve; the first valve body is provided with a first main water way and a first bypass water way; the two ends of the first mainwater way communicate with externally supplied water and a water inlet end of the water flow detecting device correspondingly, and the first main water way is provided with the first flow stabilizer;the water inlet end and the water outlet end of the first bypass water way communicate with the water inlet end and the water outlet end of the first flow stabilizer correspondingly; and the control valve is arranged on the first valve body and used for controlling opening and closing of the first bypass water way. Through the gas water heater of the invention, the quick temperature rising effectcan be achieved, the waiting time is shortened, the wasting quantity of cold water is decreased, and meanwhile, the influence of water supply pressure on the temperature rising stage can be reduced.

The invention provides a constant-temperature quantitative instant heating type water dispenser. The constant-temperature quantitative instant heating type water dispenser comprises a shell body, a water tank, a water pump, a touch panel, a PLC, a heater set, a hot water pipe, a water outlet pipe, a circulating water pipe, a cold water pipe, a flow detector and a temperature sensor, wherein the heater set comprises a first-stage heater, a second-stage heater, a third-stage heater, a fourth-stage heater, a fifth-stage heater, a sixth-stage heater and a seventh-stage heater; and water heating temperature ranges of the seven heaters are respectively 30-40 DEG C, 40-50 DEG C, 50-60 DEG C, 60-70 DEG C, 70-80 DEG C, 80-90 DEG C and 90-100 DEG C. According to the water dispenser, the water outlettemperature and the water outlet amount can be intelligently set, water can be heated in a graded and layered mode, the heating speed can be increased, the accuracy of the water outlet temperature can be improved, and accurate temperature control can be achieved; and the circulating water pipe can circularly heat the retained cold water in the pipeline, so that the retained cold water in the pipeline can be prevented from directly entering the water receiving container through the water outlet pipe to influence the water receiving temperature.

The invention provides a coaxial three-control constant temperature valve element. The coaxial three-control constant temperature valve element comprises a movable ceramic chip, a fixed ceramic chip,a valve element sleeve and a valve sleeve base; the valve sleeve base is arranged on the valve element sleeve, a hot water inlet, a mixed water outlet and a cold water inlet are formed in the bottom of the valve sleeve base, the top end of the movable ceramic chip is connected with a flow adjusting sleeve, the top of the valve element sleeve is fixedly connected with a temperature adjusting sleeve, the top end of the temperature adjusting sleeve is provided with a temperature control valve rod for controlling the water temperature, the periphery of the temperature adjusting sleeve is rotatablysleeved with a flow valve rod which controls the flow adjusting sleeve to rotate and drives the movable ceramic chip to rotate relative to the fixed ceramic chip so as to control cold and hot water on-off states and cold and hot water flow, a thermosensitive element is arranged in a mixed water runner of the valve sleeve base, a mixed water cavity is formed between the flow adjusting sleeve and the thermosensitive element, an adjuster fixed to the thermosensitive element in a sleeving manner is arranged in the mixed water cavity, and the thermosensitive element drives the adjuster to move upand down to adjust the water inlet amount of the cold and hot water so as to control mixed water with the constant temperature in the mixed water runner to flow out. The invention further provides a water faucet with the coaxial three-control constant temperature valve element.

The invention discloses an intelligent temperature-control water faucet. A main control module is adopted to drive motors to control a thermostatic valve and a switching valve, so that the control over outgoing water and constant temperature is achieved; a water temperature sensor is arranged to detect the water temperature in a mixed water cavity in real time, and the main control module controls the rotation position of the thermostatic valve according to the feedback water temperature, so that thermostatic adjustment for a specified temperature is achieved, and the temperature adjustment is precise; by means of the dynamic temperature adjustment mode, it is guaranteed that the temperature of the outgoing water is constant, a touch induction display circuit is used for conducting control and state display, and the experience feeling of a user is good; a temperature upper limit sensor is arranged to conduct monitoring on the temperature upper limit of the outgoing water, and when the temperature upper limit sensor induces that the water temperature is larger than the threshold value, the main control module controls the switching valve to shut off and stop water outgoing. According to the intelligent temperature-control water faucet, double safety temperature guarantees including the temperature upper limit adjustment guarantee and the outgoing water temperature limit guarantee are arranged, and even if a cold water inlet and a hot water inlet are reversely connected with each other by mistake, it can be more reliably guaranteed that a user is not scalded by hot water through the outgoing water temperature limit guarantee.

The invention discloses an intelligent bathtub, which comprises a bathtub body, a water level meter, a water mixing valve, an electromagnetic valve, a water discharge valve, a first temperature indicator, a second temperature indicator and a controller. The invention also discloses an heat insulation control method for the intelligent bathtub. After the bathtub water level reaches the set water level, partial cooled mixed water in the bathtub is discharged by controlling the water discharge valve; in addition, the water mixing valve and the electromagnetic valve are controlled to charge supplementing water with the temperature higher than the mixed water temperature in the bathtub, so that the mixed water in the bathtub tends to the set water temperature and the set water level and is finally maintained at the set water temperature and the set water level. By using the technical scheme, the additional arrangement of a heating function unit is not needed; the mixed water in the bathtubcan maintain the set water temperature; the intelligent bathtub heat insulation technical scheme is simplified; the manufacturing cost of the intelligent bathtub is reduced; the operation is convenient; the heat insulation function of the bathtub can be conveniently reduced.

The invention discloses a transcritical carbon dioxide single-stage and double-stage compression hot water system and a control method thereof. The system comprises a first-stage compressor, a first heat exchanger used for exchanging heat with user side cooling water, a second-stage compressor, a second heat exchanger used for exchanging heat with user side cooling water, a third heat exchanger used for exchanging heat with a liquid-phase refrigerant and a gas-phase refrigerant, an expansion valve, a fourth heat exchanger used for exchanging heat with ambient air, a buffer water tank and a first proportional valve. A first proportional valve, a second proportional valve, a third proportional valve, a fourth proportional valve, a defrosting valve, a refrigerant path bypass valve and the like; the system realizes intelligent switching of single-stage and double-stage transcritical operation under variable working conditions, has outstanding heating capacity and energy efficiency ratio under all working conditions, remarkably improves the comprehensive performance of preparing high-temperature hot water under a low-temperature environment, and also solves the defrosting problem and the oil return problem of a double-stage compression hot water system.

The invention discloses an intelligent temperature control spray head. The spray head comprises a spray head body and a water inlet pipe connected with the spray head body, and is characterized in that a first three-way valve is arranged at the position, close to the spray head body, of the water inlet pipe, a second three-way valve is arranged at the position far away from the spray head body, and the first three-way valve is connected with the second three-way valve through a long pipeline; the first three-way valve communicates with an auxiliary hot water pipe, the second three-way valve communicates with a main hot water pipe and a cold water pipe correspondingly; temperature sensors are both arranged in the cold water pipe, the main hot water pipe, the long pipeline and a nozzle body,rapid temperature adjustment can be realized by the spray head, waste in water test is reduced, and water resources are greatly saved; the invention further discloses an excitation type energy savingmethod of the intelligent temperature control spray head, the water consumption of a user is compared with the water consumption limit, when the water consumption of the user is lower than the waterconsumption limit, a certain reward is given, the excitation mode is adopted, so that the water-saving awareness of people is enhanced, and the water resources are saved from the source.

The invention relates to an electronic adjustable constant temperature water outlet solar water heater controller, and belongs to the field of civilian solar water heaters. The electronic adjustable constant temperature water outlet solar water heater controller comprises a switching power supply, an A/D converter, a single chip microcomputer, a driving circuit, a nixie tube display, a display circuit, four setting key switches and an IO line row; the switching power supply is connected with each of the A/D converter, the single chip microcomputer, the driving circuit and the display circuit;the four setting key switches are connected with the single chip microcomputer; the single chip microcomputer is connected with the driving circuit and the display circuit simultaneously; the drivingcircuit is connected with the IO line row; the IO line row is connected with the A/D converter; the A/D converter is connected with the single chip microcomputer; and the display circuit is connectedwith the nixie tube display. The electronic adjustable constant temperature water outlet solar water heater controller can receive temperature information of hot water and cold water, respectively open a cold water valve and a hot water valve to a certain degree according to a degree internal algorithm according to a set water outlet temperature, and perform closed-loop control by information feedback of a warm water temperature sensor to obtain an accurate water outlet temperature.

The invention discloses a control method of a power storage water heater. The power storage water heater comprises a power storage module used for storing electric energy and a plurality of electric heating parts used for heating water. The control method comprises the step of shunting the current output by the power storage module so as to supply power to the corresponding electric heating parts.Constant-temperature hot water output is achieved so as to reduce the fluctuation range of output water temperature and improve user experience.

The invention relates to a heating disinfection method and a device for microalgae cultivating water and relates to a method and a device for treating water through heating. The heating disinfection method includes that the microalgae cultivating water is heated to 94 DEG C to 96 DEG C, the microalgae cultivating water is subjected to a continuous disinfection at the temperature between 94 DEG C to 96 DEG C for 20 seconds to 25 seconds, and the disinfected microalgae cultivating water can be used after being cooled. The device for implementing the method comprises a water inlet pump, a flow control valve, a heat exchanger and an electric heating furnace, wherein an outlet of the water inlet pump is connected with a heat exchange medium inlet of the heat exchanger through a first pipeline, a heat exchange medium outlet of the heat exchanger is connected with an inlet of the electric heating furnace through a second pipeline, an outlet of the electric heating furnace is connected with a material inlet of the heat exchanger through a third pipeline, and a material outlet of the heat exchanger leads to the outside through a fourth pipeline. The heating disinfection device further comprises a programmable logic controller (PLC) and a first to a fourth temperature sensor. The method is simple in steps and good in disinfection effects. The device can achieve an automation accurate control of the method.