30results about How to "Precise water temperature control" patented technology

The present invention is a healthy and energy-saving digital intelligent water dispenser, which solves the problems of high energy consumption, poor water quality, easy scaling, and inaccurate water temperature control in existing water dispensers. There is a raw water storage bucket (1) in the housing connected to the heating tank (6). , a solenoid valve (5) is arranged on the cold water injection pipe (4), a heating body (10) is connected with an electronic switch (19) in the heating tank (6), and a water temperature sensor (11) and a first water level are arranged in the heating tank (6). Sensor (12), water pump (13) is arranged on the hot water injection pipe (22), the second water level sensor (15) is arranged at the bottom of heat preservation water tank (7), and the input of the input interface (32) of control circuit board is respectively connected with setting The key disk (36), the first and second water temperature sensors, and the water level sensor are connected, and the output end of the output interface (34) is connected with the electromagnetic valve, the water pump and the electronic switch respectively.

The invention relates to a water temperature control method of a cold and hot water double-inlet washing machine. The water temperature control method is characterized in that a cold water inlet valve and a hot water inlet valve are arranged and are constant-flow water inlet valves, wherein a temperature sensor is arranged in a washing bucket; a controller is used for setting fixed total water inlet time every time of the cold water inlet valve and the hot water inlet valve; the controller calculates a cold water inlet temperature and a hot water inlet temperature according to water temperatures in the washing bucket of the washing machine before and after adding water; then the controller calculates a ratio of desired inlet cold water to desired inlet hot water by using the known cold water inlet temperature, the hot water inlet temperature and the water temperatures in the washing bucket, and converts the ratio into a turn-on time ratio of the cold water inlet valve to the hot water inlet valve every time; and the controller controls the turn-on time of the cold water inlet valve and the hot water inlet valve so as to control the water temperature. According to the water temperature control method of a cold and hot water double-inlet washing machine, the accuracy of water temperature control of the cold and hot water double-inlet washing machine is improved, the washing degree of clothes is increased, the energy consumption is saved, and the washing time is shortened simultaneously.

The invention discloses a water pump temperature control adjusting system. The water pump temperature control adjusting system comprises a pump body, a heating mechanism, a cooling mechanism and a temperature control system. The pump body is internally provided with an impeller and a motor connected with the impeller through a bearing. A water inlet end is arranged at the front end of the pump body, and the top end is provided with a water outlet end. The heating mechanism comprises an inlet heating mechanism and a supplementing heating mechanism. The inlet heating mechanism comprises a waterinlet baffle, a water outlet baffle and inlet heating boxes arranged between the water inlet baffle and the water outlet baffle. The supplementing heating mechanism comprises a first pipeline, a second pipeline and a supplementing heating device. The cooling mechanism comprises a cooling water tank and a fan which are arranged on the left side and the right side of the motor correspondingly. The temperature control system comprises a controller, and the controller is connected with a monitoring module, a temperature adjusting module and a processing module through a wire. The water pump temperature control adjusting system is simple in structure, convenient to use, accurate in water temperature control, high in work efficiency and capable of conducting supplementing heating and cooling treatment.

The invention provides a method and device for controlling water boiling temperature. The method includes the steps of: determining a first difference value between an initial temperature of water to be boiled and a preset mode temperature; according to a relation between the first difference value and a first temperature constant, determining a first heating time length; after heating the water to be boiled for the first heating time length, determining a first current temperature of the water to be boiled; stopping heating the water to be boiled and recording a second current temperature of the water to be boiled after a first preset time length; determining a water temperature increment between the first current temperature and the second current temperature; and utilizing the water temperature increment to prejudge a heating time length, and controlling heating temperature of the water to be boiled. The method and device for controlling the water boiling temperature provided by the invention can reduce influence of an output power change on temperature control, and solve the problem of excessive heating.

The invention discloses a tea making machine which not only can repeatedly brew tea to further save tea or sufficiently exert the aroma of tea, but also can quickly change another kind of tea under the premise of not being tainted by other odor to further meet the requirements of different tea drinker. The tea making machine comprises a water supply unit, a tea making unit and a control unit. Thecontrol unit comprises an intelligent control module, and input and output module, a storage module and an acousto-optic prompt module, and the input and output module, the storage module and the acousto-optic prompt module are electrically connected with the intelligent control module respectively. The tea making unit comprises a plurality of tea making cups with the same structure, each tea making cup is provided with a tea making chamber and a tea water storage chamber, the tea water storage chamber is provided with a water outlet, and a valve for controlling the communication of the tea making chamber and the tea water storage chamber is arranged between the tea making chamber and the tea water storage chamber. The tea making chamber is communicated with a water outlet of the water supply unit.

The invention relates to an automobile engine tail gas waste-heat and electricity converting stand test device and method for controlling the same. The automobile engine tail gas waste-heat and electricity converting stand test device comprises an automobile engine unit, a waste-heat and electricity converting unit, an outputting and energy storing unit, a temperature detecting unit, a single-module patrolling unit and a main control unit and is characterize in that the automobile engine unit uses an automobile engine to drive a power generator to generate power to be combined to the three-phase commercial power and exhaust the high-temperature tail gas; the waste-heat and electricity converting unit absorbs the waste-heat from the tail gas and converts the waste-heat into the DC electricity; the outputting and energy storing unit changes the voltage of the generated DC electricity so as to supply the DC electricity to the load or store the DC electricity; the temperature detecting unit detects the temperature information of all the units; the single-module patrolling unit patrols the terminal voltages of waste-heat and electricity converting modules which are connected in parallel under each temperature gradient; and the main control unit detects the outputted voltage, the outputted current and other parameters, sends the control information and comprehensively manages the energy. The automobile engine tail gas waste-heat and electricity converting stand test device can simulate the automobile-mounted running environment and is suitable for the test and the research of the automobile engine tail gas waste-heat and electricity conversion.

The invention provides a water pump box of a household central air conditioner, which is connected between the outdoor main unit and the indoor unit, and has a heat exchanger, a pump body, and a water supply pipe connected to the water supply pipe of the indoor unit in the water storage tank. The gas is connected, and the heat exchanger has a condenser pipe and a return pipe. One end of the return pipe is directly opened at the bottom of the tank, and part of the condenser pipe is built in the return pipe. The pump body is a submersible pump installed at the bottom of the water storage tank. The submersible pump It has a suction port and a water outlet, and the water outlet is connected to the water supply pipe; the return pipe and the water supply pipe respectively have valve bodies that can block or connect the fluid in them; the valve bodies are opened or closed at the same time. The invention adopts the spiral casing heat exchanger, which has low cost and stronger adaptability; compact structure, smaller volume, and more convenient installation. In addition, a multi-pipe heat exchanger can be used to achieve better energy-saving effect.

The present invention discloses a technical scheme adopted in the present invention in order to achieve the above purpose: the engine coolant temperature control method: step 1, system self-inspection; step 2, real-time acquisition of engine speed signal, engine load signal, exhaust air-fuel ratio signal, intake air temperature signal, water temperature signal, vehicle speed signal and knock signal; step 3, establish exhaust temperature model and knock model; step 4, calculate engine exhaust temperature in real time through the exhaust temperature model, and calculate knock through the knock model Angle retreat; step 5, output a control signal to the electronic thermostat according to the calculation result. With this method, the coolant temperature can be directly linked to the combustion state of the engine, the control is more accurate, and the fuel economy is lower. More efficient, accurate and stable.

The invention discloses a tea making machine capable of automatically making tea water with better taste. The tea making machine comprises a water supply unit, a tea making unit, a tea water outlet unit and a control unit, wherein the tea making unit comprises a water container, a water permeable vessel and a cover, and the water permeable vessel is detachably arranged in the water container; thecontact unit comprises an intelligent control module, an input module, a storage module and an acousto-optic prompting module, and the input module, the storage module and the acousto-optic promptingmodule are respectively and electrically connected with the intelligent control module; and the tea making machine also comprises a first temperature control device and a first liquid level sensor which are arranged in the water container and are respectively and electrically connected with the intelligent control module.

The invention provides a control kernel of an intelligent shower system and a control method, and provides the intelligent shower system which is compact in structure, small in size, uniform in output water temperature and capable of independently regulating and controlling the water output amount of each water output device and a control method. The control kernel comprises a shell, a temperature regulation system, a flow regulation system, a mixed water cavity and an intelligent control system. The intelligent control system is used for receiving a control request and controlling the intelligent shower system according to the control request, so that the states of the temperature regulation system and the flow regulation system are changed.