74results about How to "Precisely control the water temperature" patented technology

The invention discloses an engine and electronic water pump control method. The engine and electronic water pump control method comprises the steps of determining the current mode of an electronic water pump by detecting a water temperature sensor and the rotation speed of an engine after a whole vehicle is powered on, collecting the current vehicle speed of the whole vehicle, the current flow of the electronic water pump, the load of the engine and the rotation speed data of the engine in real time and obtaining heat evaluation parameters, obtaining the correction value for adjusting the electronic water pump under the normal work mode or the failure mode, obtaining the optimum adjusting time according to the change trend of the heat evaluation parameters, and performing optimum adjusting on the electronic water pump according to the correction value and the optimum adjusting time. The invention further provides a corresponding system. By the adoption of the electronic water pump control method and system, precise control over the electronic water pump can be achieved under various working conditions of the engine.

The invention relates to a water temperature control method and device for engines. The water temperature control method comprises the following steps that the outlet water temperatures of the engines are acquired according to the preset time step; when the outlet water temperatures of the engines of which the quantity is larger than or equal to the preset quantity are acquired, according to the acquired outlet water temperatures of the engines and the corresponding acquired time of the outlet water temperatures of the engines, the water temperature variation function is determined; and the performance parameters of a cooling system based on the water temperature variation function is determined, and controllable parts of the cooling system are controlled according to the performance parameters of the cooling system. Through the adoption of the scheme provided by the embodiment, parts of the cooling system is controlled, accurate control of the water temperatures of the engines can be realized, and the water temperature is quickly stabilized.

The invention discloses an electronic control thermal management system for a diesel engine. The electronic control thermal management system for the diesel engine comprises an ECU, a rotating speed sensor, an accelerator position sensor, a temperature sensor, a pressure sensor, an electronic control thermostat and an electronic control fan, wherein the temperature sensor is connected with the input end of the ECU and used for detecting the temperatures of inflow water and outflow water of a water tank of the diesel engine, the temperatures of inflow air and outflow air of an intercooler and the atmospheric temperature and sending detected data to the ECU; and the pressure sensor is connected with the input end of the ECU and used for detecting pressure of inflow air and outflow air of the intercooler of the diesel engine and atmospheric pressure and transmitting detected data to the ECU. The electronic control thermostat is connected with the output end of the ECU to enable the valve opening of the ECU to be subject to electronic control, and the electronic control fan is connected with the output end of the ECU to enable the rotating speed of the ECU to be subject to electronic control. According to the electronic control thermal management system for the diesel engine, the ECU automatically adjusts parameters of the cooling system thermostat and the fan along with changes of diesel engine working conditions and environmental states, the water temperature is always maintained around the optimal target temperature and is accurately controlled, the service life of the diesel engine is prolonged, and fuel consumption and discharge of the diesel engine are reduced.

The invention provides a car fan control method and system. The method comprises the following steps: determining transmitter air volume requirements according to transmitter water temperature, current vehicle speed and environment temperature; combining auxiliary air volume requirement signals, such as gearbox oil temperature signal air volume requirements, heat energy management air volume requirements and attachment air volume requirements, according to the transmitter air volume requirements; determining the maximal fan air volume requirements to obtain the fan requirement rotating speed so as to control the fan. According to the scheme, the vehicle speed, the engine cooling liquid temperature and the environment temperature are used as the main factors for fan control, and meanwhile the gearbox oil temperature, the heat energy management and other attachments are combined to accurately control the rotating speed of the electric fan, so that the fan is in the low-speed operating state as far as possible, the water temperature of the engine is stable, the engine can work in the optimum operating temperature, and the functions of saving fuel and reducing emission are achieved.

The invention discloses an intelligent thermal management system for a diesel. The system comprises an ECU, a rotating speed sensor, a load sensor, a temperature sensor, a pressure sensor, an electronic control water pump, an electronic control thermostat and an electronic control fan, wherein the rotating speed sensor is connected with the input end of the ECU, the load sensor is connected with the input end of the ECU, the temperature sensor is connected with the input end of the ECU, the pressure sensor is connected with the input end of the ECU, the electronic control water pump is connected with the output end of the ECU so that electronic control can be achieved for the rotating speed of the electronic control water pump, the electronic control thermostat is connected with the output end of the ECU so that electronic control can be achieved for the valve opening degree of the electronic control thermostat, and the electronic control fan is connected with the output end of the ECU so that electronic control can be achieved for the rotating speed of the electronic control fan. The intelligent thermal management system for the diesel is simple and reasonable in structure, electronic control is achieved for the main parts such as the water pump, the thermostat and the fan of the intelligent thermal management system, the water temperature can rapidly rise to the temperature close to the target temperature after the diesel is started by calibrating the electronic control strategy, the diesel warming time is shortened, accurate water temperature control is achieved, the service life of the diesel is prolonged, and oil consumption and emission of the diesel are reduced.

The invention provides an immersion type water circulation low temperature slow cooking machine. For an immersion type water circulation low temperature slow cooking machine in the prior art, food is cooked through hot water, the water can not be precisely heated, cooking conditions of the food can not be satisfied through the hot water, moreover, different foods have different cooking temperatures, the immersion type water circulation low temperature slow cooking machine in the prior art can not satisfy the cooking conditions of the food. The immersion type water circulation low temperature slow cooking machine comprises a casing, a heating device, a clamping portion, a control device and a heating device and is characterized by comprising a circulation device used for realizing circulation of hot water in a heating chamber with the external part, and the circulation device comprises one water suction mouth communicated with the heating chamber and an water outlet communicated with the outer part of the casing. The immersion type water circulation low temperature slow cooking machine has advantages of simple structure, reasonable design, high hot water output and convenient maintenance.

The invention discloses a dual-channel condenser with a heat recovery and condensing temperature control structure, belonging to condensers, and solving the problems of unstable operation and condensing temperature of the existing equipment. The dual-channel condenser has a structure that the tube body of a tubular heat exchanger is divided into two cavities; a refrigerant inlet and a refrigerantoutlet are respectively formed on each cavity and connected with one compressor in a single cold type unit; a cooling water outlet and a cooling water inlet are formed on one end of one cavity and are communicated through a condensation heat exchange tube penetrating through the heat exchanger tube; a hot water circulation outlet and a hot water circulation inlet are formed on one end of the other cavity and are communicated through a heat recovery heat exchange tube penetrating through the heat exchanger tube; a by-pass electric valve is connected between the cooling water outlet and the cooling water inlet; and the valve control end of the by-pass electric valve is connected with a temperature controller communicated with the inside of the condensation heat exchange tube. Regardless of the operating mode of unit load in the condenser, heat exchange can be fully performed in the heat exchanger, the condensing temperature is stable, the operation efficiency of the unit is high, and simultaneously, one heat exchanger can correspond to two compressors, so that the unit structure is simpler.

The invention discloses a water temperature control method and system for a fuel cell. The method employs a multi-internal-model control algorithm to achieve the control of the opening degree of an electronic thermostat, thereby achieving the precise control of the water temperature of the fuel cell. The multi-internal-model control algorithm has the characteristics of high robustness, good traceability and the like, and is suitable for large-hysteresis nonlinear system control. According to the scheme, model linearization is carried out on typical working condition points of the fuel cell, different working condition points are identified, and models under different working condition points are obtained, thereby designing an internal model controller and a feedforward controller under different working condition points. Based on the algorithm, ideal control over the water temperature under all working conditions is achieved, and the method has the advantages of being short in response time and small in overshoot.

The invention discloses a milk powder brewing machine. The milk powder brewing machine comprises a main machine, and a water tank, a milk powder chamber and a stirring chamber which are installed in the main machine. A water pump and a heater are installed between the water tank and the stirring chamber. Water in the normal temperature is pumped from the water tank by the water pump and is conveyed to the heater. A water outlet of the heater is communicated with the stirring chamber. The bottom of the milk powder chamber is provided with a leakage port communicated with the milk powder chamber. The leakage port is provided with a milk powder falling mechanism. A stirring rod is installed in the stirring chamber. The stirring rod is driven to be rotated by a power mechanism. While the stirring rod is rotated, the milk powder and the hot water are driven to be mixed. The milk powder brewing machine has the following beneficial effects: the water and the milk powder can be uniformly mixed, the problem of similar products that the milk powder cannot be uniformly stirred and the milk powder agglomeration is reserved in a milk bottle and a mixing chamber can be avoided, and bubbles cannot be generated while the milk liquid is flowed out of the stirring chamber because the liquid outlet uses a mesh design, so the milk liquid is more easily drunk and absorbed by an infant, and the hiccup of the infant is avoided.

The invention discloses a water load body used for power source debugging, and a water load body system. The water load body comprises an external conductor and an inner conductor, and the inner conductor is disposed inside the external conductor. An external plug is connected with the inner conductor, and the inner conductor and the external conductor are insulated. The inner conductor is provided with a channel used for in-and-out of resistance solution. A radio-frequency signal is fed in through a radio frequency feeder formed by the external plug and the external conductor, and is disposed in the channel which is used for in-and-out of the resistance solution. The external plug is connected with the power source, and the external conductor is used to connect with ground. Through changing concentration of the resistance solution, the water load body can change resistance values, and the water load body is a broadband dummy load with variable resistance. In addition, in order to prevent the resistance values of the water load body changing with changes of water temperature. The water load body is provided with a PID temperature controller, and can accurately control water temperature to ensure the resistance values are correct.

The invention relates to a multifunctional valve, a zero-cold-water water heater and a water flow control method. The multifunctional valve comprises a valve body, water inlets and a water outlet which communicate with a valve cavity of the valve body are formed in the valve body, and a valve rod is arranged in the valve body. The multifunctional valve is characterized in that the water inlet comprises the first water inlet and the second water inlet, a valve seat is arranged in the valve cavity, the valve seat is used for separating the valve cavity into a first water inlet cavity communicating with the first water inlet body, a second water cavity communicating with the second water inlet, a water outlet cavity communicating with the water outlet, and a circulating cavity which is used for enabling the first water inlet cavity to communicate with the water outlet cavity, the second water inlet cavity communicates with the water outlet cavity, and a first piston corresponding to the first water inlet and the circulating cavity and a second piston corresponding to the second water inlet are arranged on the valve rod at an interval.

The invention discloses a chloroacetic acid crystallization technology. According to the chloroacetic acid crystallization technology, chloroacetic acid crystallization process is controlled via monitoring the material temperature of chloroacetic acid materials in a crystallization kettle, and controlling water temperature of cooling water in the crystallization kettle based on the material temperature. The chloroacetic acid crystallization technology is divided into nine phases strictly including eight cooling phases of chloroacetic acid materials, and one heating phase, and the heating phase is arranged between two cooling phases. The chloroacetic acid crystallization technology is capable of avoiding hanging of crystals on walls fundamentally, can be used for realizing refine controlling of crystallization process of chloroacetic acid materials, avoiding human factor influences such as judgment error introduced by empirical operation, shortening crystallization time, and increasing product quality and yield. Full automatic operation of the chloroacetic acid crystallization technology can be realized easily because of refine controlling of crystallization process, so that labor intensity is reduced, on-site safety factor is increased, production energy consumption is reduced, and production efficiency is increased greatly.

The invention discloses an air conditioner with a water heater function and a control method, and relates to the technical field of air conditioners. The air conditioner comprises an air conditioner circulating system and a water heater heat exchange module, wherein the air conditioner circulating system comprises a compressor, a four-way valve, an indoor heat exchanger and an outdoor heat exchanger; the compressor communicates with the indoor heat exchanger and the outdoor heat exchanger in sequence through the four-way valve to form a refrigerating loop or a heating loop; an exhaust port ofthe compressor communicates with the four-way valve through a first exhaust pipe; the first exhaust pipe communicates with a secondary compression module connected with part of pipes in parallel; a refrigerant inlet of the water heater heat exchange module communicates with the first exhaust pipe, and is positioned on a pipe between a refrigerant outlet of the secondary compression module and thefour-way valve; and the refrigerant outlet of the water heater heat exchange module communicates with a pipe between the outdoor heat exchanger and the indoor heat exchanger. When the air conditioneris used, the air conditioner uses high-temperature exhaust of the compressor for providing heating heat to a water heater under different operation states to adjust the temperature of the water heater.

The invention provides a heat recovery system for an air conditioning unit. The heat recovery system is characterized in that an air outlet of a compressor, a heat recovery device, a condenser, an evaporator and an admission port of the compressor are sequentially connected through pipelines to form a refrigerant loop, a heat recovery bypass is provided with a first flow control device, the heat recovery device is used for recovering heat carried by a refrigerant and realizing heat exchange between the refrigerant and water, a temperature sensor (a temperature detection device) is arranged on the heat recovery device, and the first flow control device can adjust the flow rate of a fluid flowing through the first flow control device according to temperature detected by the temperature sensor (the temperature detection device). According to the heat recovery system for the air conditioning unit, heat of the high-temperature and high-pressure refrigerant produced by compression of the compressor is recovered by the heat recovery device to be used for hot water preparation, and the heat recovery bypass connected in parallel with the heat recovery device can distribute the high-temperature and high-pressure refrigerant according to the temperature of prepared hot water, so that the temperature of the hot water prepared by use of the recovered heat is more stable.

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 novel household disinfecting and pesticide-removing equipment for fruits and vegetables. The novel household disinfecting and pesticide-removing equipment for the fruits and vegetables comprises a fruit and vegetable disinfecting and pesticide-removing equipment main body, wherein the disinfecting and pesticide-removing equipment main body comprises two parts of a cleaning cylinder body and a sealing cover; a control panel is welded in the sealing cover; a temperature control module, a timing module and a liquid-level control module are connected at the input end and the output end of the control panel; a temperature sensor and a power regulator are arranged in the temperature control module; a water tank is arranged on the outer side of the cleaning cylinder body, and a heating device is arranged below the water tank; an ozone generator is in thread connection below the cleaning cylinder body, and an ozone uniform distributor is arranged above the ozone generator; an ultraviolet disinfection lamp is in thread connection below the sealing cover. The novel household disinfecting and pesticide-removing equipment for the fruits and vegetables disclosed by the invention has a simple structure, reduces pesticide residues, has sterilization and disinfection functions, improves safety and quality, prolongs the service life and further has simple operation, cleanliness and environmental protection and energy saving.

The invention discloses a multi-purpose bathroom comprising a bathroom framework, wherein the bathroom framework is formed by a plurality of stainless steel tubes and connecting pieces; cured rubber flexible waterproof cloth is attached to the outer side of the bathroom framework; a protection plate is arranged at the bottom of the bathroom framework; a sprinkling barrel, a towel rack and a wardrobe are arranged on the bathroom framework; a lighting and heating device is arranged at the inner top end of the bathroom framework; a bathing basin and a power box are arranged on the protection plate; a plurality of heating resistance coils are arranged between the protection plate and the bathing basin; the power box supplies power to the heating resistance coils and the lighting and heating device through electric wires; a water outlet and a water inlet are formed in the bottom of the bathing basin; the bathing basin is communicated with the sprinkling barrel through a pipeline; the sprinkling barrel is connected with a sprinkling head through a sprinkling hose; and the cured rubber flexible waterproof cloth is provided with a bathroom door and a plurality of ventilation windows. The multi-purpose bathroom is novel in design, frees people from the trouble of often going to have a bath in a public bathroom, saves resources, protects the environment, and particularly controls disease infection while providing a hot bath for migrant workers or tourists.

The invention provides an indoor heater glass panel heat shock resistance testing device. The indoor heater glass panel heat shock resistance testing device is characterized by comprising a water supply device, a power supply device, a prototype temperature measuring device and a control cabinet which are separately connected with the water supply device, the power supply device and the prototypetemperature measuring device; the prototype temperature measuring device adopts a temperature measuring thermocouple, and the temperature measuring thermocouple is connected with the control cabinet;the power supply device comprises a prototype power supply socket and a thermocouple socket which are installed on a base and connected with the control cabinet; the water supply device comprises a water tank, a water pump, a water flow sensor and a water pipe which are connected with one another, a temperature controller and a temperature sensor are arranged in the water tank, the water tank is also installed on a base, and the water pump, the water flow sensor, the temperature controller and the temperature sensor are all connected with the control cabinet. The indoor heater glass panel heatshock resistance testing device has the advantages that a 5mm pipe can be fixed towards the central position of a glass panel of a heater and can be kept in place, automatic control is adopted, the water temperature and the flow rate of testing water can be accurately controlled, and a test can be automatically finished when the capacity of the testing water reaches 1L.

The invention relates to an energy-saving and water-saving system and a control method thereof. The energy-saving and water-saving system comprises an induction type temperature control valve and a cold water recycler, wherein the induction type temperature control valve comprises a first control circuit, an inductive probe, a temperature sensor and an electromagnetic valve; the inductive probe is connected with the first control circuit and is used for detecting whether people exist; the temperature sensor is used for detecting the temperature of water in a hot water pipeline of a hot water supply source; the electromagnetic valve is used for controlling water in the hot water pipeline to flow back to the cold water recycler; the cold water recycler comprises a second control circuit, a vacuum cavity, at least one cold water recycling pipe as well as a water and air sucking pump and a detector which are connected with the second control circuit; the cold water recycling pipe is connected with the hot water pipeline through the electromagnetic valve; the water and air sucking pump is used for delivering water in the vacuum cavity to the hot water supply source through a cold water inlet pipe of the hot water supply source or extracting air in the vacuum cavity and discharging the air out of the vacuum cavity; the detector is used for detecting pressure of the vacuum cavity or detecting the water level in the vacuum cavity; the hot water pipeline is further connected to a water outlet. According to the energy-saving and water-saving system and the control method thereof, energy and water are saved, and further, automated control is realized.

The invention discloses a warm boiled water system and a drinking device. The warm boiled water system comprises a control module, a water storage tank, a water pump, a heat exchanger, a heating module and a warm boiled water outlet pipeline, the water outlet end of the water storage tank communicates with a cold water inlet of the heat exchanger through a water pump. The heating module is arranged between a cold water outlet of the heat exchanger and a hot water inlet of the heat exchanger. The warm boiled water outlet pipeline is communicated with a hot water outlet of the heat exchanger; aheating body and a first temperature detection device are arranged in the water storage tank, and the control module controls the heating body to heat water in the water storage tank to be kept at a preset water temperature according to the first temperature detection device, so that the water with the constant temperature flows out of the water storage tank and sequentially passes through the water pump, the heat exchanger, the heating module and the warm boiled water outlet pipeline at the constant flow speed. According to the warm boiled water system, water with the constant temperature inthe water storage tank sequentially passes through the water pump, the heat exchanger and the heating module at the constant flow speed, and it can be guaranteed that warm boiled water with the stabletemperature can be obtained after heat exchange and cannot fluctuate in different seasons.

The invention discloses a multifunctional water trough with a microbubble water machine. The multifunctional water trough comprises a water trough body, a water faucet, a heater, the microbubble water machine, a jetting arm and a power line, wherein the water trough body comprises a primary water trough, a secondary water trough and a cover plate; the primary water trough and the secondary water trough are fixedly arranged in parallel; the water faucet is arranged between the primary water trough and the secondary water trough; a circular gap is formed in the middle position of the cover plate; the jetting arm and the circular gap are mounted in a matched manner; a water feeding pipe, a water discharging pipe, a heater, the microbubble water machine, a control circuit board and a residue smashing machine are arranged in the water trough body; a rectangular bulge is formed on the upper surface of the left side of the water trough body; a control panel is arranged on the rectangular bulge; the control circuit board is electrically connected with the heater, the microbubble water machine, the residue smashing machine and the control panel; the power line is arranged on the water trough body. The multifunctional water trough is easy to operate and convenient to use.

The invention discloses a cooling water circulating system of a formation table. The cooling water circulating system of the formation table comprises a formation table and a cooling water circulating system; the cooling water circulating system communicates with the formation table through a pipeline and is used for performing cooling circulating treatment on the water solution in the formation table; the cooling water circulating system comprises a backwater device, a neutralizing device, a cooling tower and a heat exchanger; the formation table performs the formation treatment on a battery; the backwater device receives the self-flowing water solution of the formation table, and conveys the water solution to the neutralizing device through the pipeline; the neutralizing device neutralizes the water solution, and conveys the neutralized water solution to the cooling tower; the cooling tower cools the neutralized water solution, and conveys the cooled water solution to the heat exchanger through the pipeline; the heat exchanger further cools the cooled water solution, and conveys the further cooled water solution to the formation table to continuously perform the formation treatment. The cooling water circulating system disclosed by the invention can precisely control the temperature in the formation process, and improves the battery formation efficiency.

The invention discloses a heating processing technology for a deep sea petroleum drill by adopting a conduit joint. The technology comprises the following steps: charging: vertically putting the conduit joint in a well type quenching furnace in the way that a welding neck end faces down, maintaining space between the periphery and upper and lower layers, keeping the furnace temperature at 871-910 DEG C for at least 80 minutes, hoisting out from a hearth and 15 seconds later, feeding into a quenching pool with water temperature of 40-48 DEG C for quenching; performing water cooling for at least 15 minutes; then feeding into the furnace for normalizing treatment at the normalizing temperature of 899-940 DEG C, performing tempering treatment within four hours from the beginning of quenching at the tempering temperature of 575-620 DEG C, wherein the tempering holding time at least lasts 160 minutes; and then hoisting the conduit joint blank out of the hearth and directly placing into a water tank, and cooling to normal temperature. The technology is reasonable in parameter and easy to implement; product quality is stable, and the pass percent is more than 96%.