164results about How to "Precise temperature regulation" patented technology

The invention relates to a hybrid-energy thermostatic control water heater, which belongs to the technical field of water heaters. The water heater comprises a gas heating part, an electric heating part and a control circuit, wherein the control circuit comprises an electric energy output control device; the electric heating part consists of a water flow channel and an electric heating device arranged in the water flow channel; the gas heating part and the water flow channel of the electric heating part form a series or parallel flow passage; an ultimate water outlet of the flow passage is provided with a temperature sensor; the output end of the temperature sensor is connected with the signal input end of the control circuit; the signal input end is connected with the controlled end of the electric energy output control device through the control circuit; and the output end of the electric energy output control device is connected with the electric heating device. The water heater has the advantages that the water heater is very sensitive and accurate in temperature regulation, and can effectively guarantee the temperature constancy of effluent water.

A substrate support comprising a top ceramic plate providing a substrate support surface for supporting a substrate during substrate processing, a substrate pedestal having coolant channels formed therein and a thermoelectric deck sandwiched between the top ceramic plate and substrate pedestal. The thermoelectric deck includes a plurality of embedded thermoelectric elements that can either heat or cool the substrate support surface.

The invention discloses an air duct assembly for a refrigerator and a refrigerator with the same. The air duct assembly is suitable for being arranged inside a chamber of the refrigerator and comprises an air duct piece, an air door and a rotating shaft, wherein an air duct groove which is recessed forwards is formed on the air duct piece, and the air duct groove and the rear wall of the chamber of the refrigerator limit air outlet duct; the air door is rotatably arranged inside an air duct to adjust the ventilation rate inside the air duct, and a first limit part is formed on the air door; the rear end of the rotating shaft is connected with the air door after penetrating the air duct piece to drive the air door to rotate, and a second limit part is formed at the rear end of the rotating shaft and is matched with the second limit part. According to the air duct assembly for the refrigerator of the embodiment of the invention, the problem of air door displacement can be effectively solved through the tight matching of the first limit part on the air door and the second limit part on the rotating shaft, the installation process is simple and the accuracy of the adjustment of the ventilation rate inside the air duct through the air door is high.

The invention discloses an in-situ calibration device for the steady state flow rate of a high-temperature propellant of an attitude control engine and a calibration method. The calibration device comprises a propellant supplying device, a high-low temperature box, a weighing and recycling device, a control system and a measuring system; the propellant supplying device is used for supplying flow rate, pressure and propellant at stable temperature for a calibration system according to the flow rate requirement on a mass flow meter to be calibrated; the high-low temperature box is used for heating the propellant supplying device according to the calibration requirement of the mass flow meter to be calibrated; the weighing and recycling device is used for weighing and recycling the propellant which flows through the mass flow meter within the calibration setting time; the control system is used for controlling and regulating the propellant supplying device, the high-low temperature box and the weighing and recycling device; and the measuring system is used for collecting and treating data. By adopting the device, the influence of medium temperature, density and the like on the measuring result of the mass flow meter can be effectively reduced, and the flow rate measuring accuracy is improved.

The invention discloses a multi-way temperature detecting controller, which is characterized in that the controller includes 4-8 one-wire temperature probes, a set of controlled heating units and an MCU control center; the temperature probes are connected with the heating units and geometrically distributed in a heating space to measure the peripheral temperature; the selected temperature probes are connected with the MCU control center by connecting wires and send measured temperature to the MCU control center, then the MCU control center compares the received temperature value with a stated reference temperature value, if the received temperature value is lower than the reference temperature value, the heating units are controlled for heating so as to maintain a point at a temperature constant state. The controller can realize the control precision that the target temperature fluctuates at a range of 1.5 DEG C to minus 1.5 DEG C.

The invention discloses a 3D three-dimensional cell culture system which is applicable to cell experiments and bio-engineering production. The system comprises a cell culture dish, sterile soft hoses, a peristaltic pump, an optical fiber sensor, a signal processing system, a temperature controller, a gas controller, a cell culture solution storage tank, a carbon dioxide storage tank, a computer as well as associated software and a light source. According to a working principle, such information as temperature, pH, cell density and the like in the cell culture dish is monitored by virtue of the optical fiber sensor in real time and the information is analyzed and processed by virtue of the computer, so that related components are controlled to precisely regulate corresponding culture conditions, and various indexes in a cell culture medium are kept balanced and stable. The system can automatically complete such complex experimental operations as cell observation, culture solution replacing, temperature measurement, pH value regulation and the like, manual labor can be replaced, so that manual cost is reduced; and meanwhile, the system, which precisely controls culture conditions, can guarantee the stability and uniformity of experimental factors.

The invention discloses a multifunctional physiotherapy instrument. The multifunctional physiotherapy instrument includes a physiotherapy instrument body, wherein a graphene heating film and an electrode slice contacting a human body are arranged on the physiotherapy instrument body; the graphene heating film and the electrode slice are electrically connected with a power supply control device; the power supply control device includes a power supply module, a control module and a wireless communication module; the power supply module, the control module and the wireless communication module are integrated with a circuit board; the control module includes a master control chip, an input module and a temperature control module; an electrical stimulation physiotherapy program is stored in the master control chip for executing electric stimulation; and the input module is used for implementing on / off of the physiotherapy instrument and adjustment of the output current intensity. The multifunctional physiotherapy instrument connects the graphene heating film with the electrode slice, and can realize intelligent temperature adjustment according to a control command of a mobile terminal, so that temperature control becomes relatively more convenient and reliable. The multifunctional physiotherapy instrument can individually select the electric stimulation mode or the far infrared mode according to the own demand of the user, or implements the electric stimulation mode and the far infrared mode at the same time, thus being flexible and convenient for usage.

The invention relates to an environmental process air conditioner control method, system and device, equipment and a medium. The method comprises the steps of: detecting environmental temperature of atarget space in real time; acquiring target temperature, comparing the environmental temperature of the target space with the target temperature, and selecting a unit in a temperature rise mode, a cooling mode or a balance mode according to the comparison result; if the unit is selected to be in the temperature rise mode, generating a temperature rise control instruction to control increase of the output power of an electric heating device and to control increase of the heating rotating speed of an air conditioner compressor; if the unit is selected to be in the cooling mode, generating a cooling control instruction to control reduction of the output power of the electric heating device and to control increase of the refrigeration rotating speed of the air conditioner compressor; and if the unit is selected to be in the balance mode, generating a PID control instruction according to the environmental temperature to control the output power of the heating device and the rotating speedof the air conditioner compressor, and stabilizing the environmental temperature within the precision range of the target temperature. The environmental temperature can be rapidly adjusted, and the temperature control efficiency can be improved.

The invention discloses a water outlet temperature-adjustable water container, which comprises a container body, a container cover, and a water outlet switch or a container water outlet which is arranged on the container body or the container cover, wherein a hot water cavity and a cold water cavity are arranged in the container body, and a water temperature adjusting device is arranged on the container body or the container cover; a hot water outlet of the hot water cavity is communicated with a hot water inlet of the water temperature adjusting device, and a cold water outlet of the cold water cavity is communicated with a cold water inlet of the water temperature adjusting device; a mixed water outlet of the water temperature adjusting device is communicated with the water outlet of the container, and a water temperature adjusting key is arranged on the water temperature adjusting device; and the water inlet quantity of the hot water inlet and the cold water inlet can be adjusted by adjusting the position of the water temperature adjusting key. The water outlet temperature-adjustable water container provided by the invention can pour water with corresponding temperatures according to the temperatures set by a user, so that the water can be drunk without waiting.

This application discloses exemplary processes and systems for reducing mineral ring accumulation in calcination kiln. The processes and systems comprise inserting non-condensable gases (“NCGs”) in a preheating zone of a calcination kiln, upstream of the burner end. The pre -heating zone may be characterized by temperatures ranging from 1,300° F. to 1,750° F. The system may desirably comprise a plenum for inserting the NCGs into the rotating calcination kiln at the pre-heating zone.

The invention discloses a cloth feeding and dipping device on a hollow composite slab production line. The cloth feeding and dipping device comprises a glue preparing device, a frame platform, a lower film unreeling machine, a glue distribution device, a first dipping roller, a hollow cloth unreeling machine, a multi-reel constant tension active unreeling mechanism, an auxiliary standing device, an upper film unreeling machine and a power thickness controller, wherein the lower film unreeling machine, the glue distribution device, the first dipping roller, the hollow cloth unreeling machine, the multi-reel constant tension active unreeling mechanism, the auxiliary standing device, the upper film unreeling machine and the power thickness controller are orderly arranged along the frame platform; a constant tension controller is arranged on the multi-reel constant tension active unreeling mechanism; the glue preparing device is communicated with the glue distribution device through a hose. By adopting the cloth feeding and dipping device on the hollow composite slab production line disclosed by the invention, the resin dosage and the resin temperature can be accurately adjusted; bubbles generated in the mixing process of the resin and a curing agent are removed; the sizing sufficiency of hollow fabric, the glue content uniformity and the hollow fabric standing property are improved; the planeness and the height dimension of the product are accurately controlled; the cloth feeding and dipping device has the advantages of being low in manufacturing cost, high in production efficiency, stable in product quality and the like; continuous automatic production can be achieved; the marketizing requirements can be met.

A method for producing phase change energy storage wax comprises the following steps: refining a Fischer-Tropsch synthetic wax raw material through hydrogenation reaction to obtain Fischer-Tropsch refined wax; primarily separating the Fischer-Tropsch refined wax to obtain a plurality of fractions; selecting a target fraction from the plurality of fractions to carry out sweating treatment to obtainphase change energy storage wax, wherein a sweating device adopted in the sweating treatment is provided with a tubular heat exchanger structure. According to the method, the raw material treatment process is simple, and the production cost is low. By adopting the improved sweating process, the solid-liquid separation efficiency can be improved, the separation effect is improved, and finally theproduct quality is improved.

The invention provides a seawater desalination method using heat supplied by a steam heat pump, and a system thereof. A steam booster is used to compress seawater vaporization steam, and pressurized and heated hot steam is used to heat seawater, and then is condensed to form distilled water freshwater; and the heated seawater vaporization steam is compressed again and then is condensed to form thedistilled water freshwater, and above processes are cycled. The theory of the method is characterized in that electric energy consumed during the compression of the steam booster firstly increases the effective energy of the pressurized steam and then is used for offsetting the effective energy consumed in the seawater preheating and seawater evaporation heat transfer processes. The system includes the steam booster, a boiler, an evaporation-condensation heat exchanger, a seawater feed water preheater, a seawater cooler, a seawater booster pump, a brine pump, a freshwater pump, a boiler waterfeeding pump, a circulating pump, and a signal test and control systems; and initial hot steam in the initial running stage of the system is supplied by the boiler. The running cost is several timeslower than that of multi-effect distillation seawater desalination methods using a self-contained boiler to generate steam in the whole course.

Comparing with technique for fabricating bulbs, the invention improves on following procedures: structure of sealing flame in use for technique of laying off exhaust pipe in stem and sealing step; adjusting arrangement of flame; rearranging vacuum system in use for exhaust process; technique of soldering tin in baking and assembling processes. Advantages are: increasing quality and acceptability of bulbs, prolonging service life of bulbs and lowering production cost.

A keyboard thermal transfer printer is provided under the working platform of the keyboard thermal transfer printer with a translation drive having an electrically driven ball screw to precisely control the locating point of the lower working die seat on the working platform in a stepless driving manner. The longitudinal supports and load board of the working platform are constructed as a primary and an auxiliary work area, and respectively provided with a spindle system and an impression system. An infrared thermal sensor is disposed in the auxiliary work area to irradiate infrared rays on the press plate impression element and reflects the operating temperature of the impression element. The parameters of each function of the control box are corrected to obtain the optimum operating temperature for keyboard thermal transfer printing, thereby maintaining the consistency of the quality of images produced by keyboard surface thermal transfer printing.

The invention relates to a power battery air heat management system for a pure electric vehicle and an operating method of the system. The power battery air heat management system for the pure electric vehicle comprises an air distribution pipeline connected with a power battery pack box, a temperature sensor and a battery management system all-in-one machine, wherein one end of the air distribution pipeline is sequentially connected with a heater, an air pump, an air storage tank, a two-position three-way electromagnetic directional valve E, a cooler, a two-position three-way electromagnetic directional valve F and a two-position two-way electromagnetic directional valve; the two-position three-way electromagnetic directional valve E is connected with the two-position three-way electromagnetic directional valve F through a pipeline; and the other end of the air distribution pipeline is sequentially connected with a two-position three-way electromagnetic directional valve A and the two-position two-way electromagnetic directional valve. The power battery air heat management system disclosed by the invention has multiple temperature regulation modes, is capable of performing corresponding mode selection aiming at different battery conditions, realizing reasonable and fine management of the power battery and realizing automatic switch and control of multiple modes according to the temperature change in the battery box, and has the advantages of accurate adjustment, rapid switch and the like.

A semiconductor test device comprises a substrate having a opposed-wafer surface on which a semiconductor wafer with a plurality of the embedded semiconductor devices is placing opposite when a burn-in test is implemented, a wiring layer provided on the substrate, and a temperature sensor for measuring a temperature of the semiconductor wafer in the state here the semiconductor wafer is placing opposite on the substrate, wherein the wiring layer includes a wiring which is connected to the semiconductor wafer in the state where the semiconductor wafer is placing opposite on the substrate, and supplies a signal and a voltage for the burn-in test to the semiconductor wafer, and the temperature sensor is provided on the substrate in vicinity of the opposed-wafer surface.

The present invention provides core technologies necessary for a portable, low cost, thermal-regulating LED-based handheld fluorometer. The regulated fluorometer is based on a low thermal mass infrared heater, and an orthogonal geometry LED based filter fluorometer. Power is supplied through an external power supply and data is collected in real-time through standard serial interfaces of personal computers or personal digital assistants. Thermal regulation is automatically maintained using temperature sensor feedback control. Optical excitation relies on LED light source(s) and optical detection is through an adjustable integrating photodetector. Such a handheld system can allow applications requiring temperature sensitive photometric measurements for real time analyte detection to be performed in the field.

The present invention discloses intelligent fermentation equipment and a food processing method using the same. The equipment is capable of being used to measure the concentration of gas generated during the food fermentation period so as to determine the fermentation state of the food, such that a food with constant fermentation quality being independent of the variation of internal and external environment elements is produced. The equipment includes a main body, having a selective switch for selecting target food material to ferment and a receiving compartment arranged in the main body; a container, for selectively receiving target food material to be stored in the receiving compartment; a temperature regulator, provided to the main body to heat the target food material to ferment the target food material; a sensor unit, for measuring the concentration of the gas generated during the target food material fermentation period; and a controller, for controlling the temperature regulator according to the gas concentration measured by the sensor unit.

The invention discloses a system and method for regulating and controlling the temperature of a concrete dam. The system comprises a temperature compensation source, a regulating and controlling medium, a medium replacing device, a reversible multi-connected output circulating pipeline, a temperature partition secondary regulating device, a flow regulating device and a control system. According tothe system and method for regulating and controlling the temperature of the concrete dam, through structural and functional design, corresponding components and control system development are adopted, multiple (more than two) regulation and control media with different temperatures and different flows can be provided by one set of device and output to a regulation and control pipe network arranged in the concrete dam, the flow and temperature of the media in each group of circulating pipelines are automatically adjusted in real time, and the flow direction can be automatically changed at anytime to meet the temperature control requirement of dam concrete.

The invention discloses a biological sample treating instrument. The biological sample treating instrument comprises an instrument supporting frame, hydraulic cylinders, a temperature module, a stirrer, a central control system, an X-Z two-axial plane moving device and a human-computer interface, temperature control is carried out on a solution in the hydraulic cylinder by virtue of the central control system, the central control system controls the stirrer to stir the solution in each hydraulic cylinder, and the X-Z two-axial plane moving device is arranged on the instrument supporting frame, the central control system controls the tail end of a moving part of the X-Z two-axial plane moving device to output X-Z two-axial planar motion, so that a glass slide frame can be hoisted in each hydraulic cylinder, location switching of the glass slide frame is carried out among the different hydraulic cylinders, the glass slide frame moves in different hydraulic cylinders, and batch treatment on a biological sample is realized. The biological sample treating instrument has the advantages that various treatment can be carried out on the sample adhered onto the surface of a glass slide in batch, efficiency is high, repeatability and consistency are good, size is small, production cost is low, mounting and maintenance are convenient, and energy consumption is low.

A manufacturing method for a substrate heating device comprises forming a base plate having a substrate heating surface in which a resistance heating element is buried, forming a tubular member, joining the tubular member to the base plate, measuring temperature distribution in the substrate heating surface by supplying power to the resistance heating element, and grinding the tubular member according to a grinding condition based on a measurement result of the temperature distribution.

The invention relates to a deep dehumidification air handling unit. The deep dehumidification air handling unit comprises an unit box body; the unit box body is provided with an air return port with a primary filter screen; an evaporator, a rear electric heater, a dry steam humidification spraying pipe and a fan are arranged in the unit box body; air fed in the unit box body from the air return port flows through the evaporator for cooling and dehumidification, enters the rear electric heater for heating to reach the needed temperature, is humidified to reach the needed humidity by the dry steam humidification spraying pipe, and is finally fed in a testing room through the fan; and an exhaust port of the evaporator is provided with an outlet air valve for adjusting the flow of the air flowing through the evaporator. The deep dehumidification air handling unit realizes adjustment of the flow of the air flowing through the evaporator through adjusting the openness of the outlet air valve. When the refrigeration capacity of the evaporator is invariable, the enthalpy difference of the air passing through an access port of the evaporator is increased to achieve the effect of improving low-air-volume and high-enthalpy-difference dehumidification; and the deep dehumidification air handling unit can meet the temperature and humidity requirements of tested units more precisely.

The invention discloses an intelligent temperature control power distribution cabinet and a method thereof, and relates to the technical field of temperature control power distribution cabinets, the intelligent temperature control power distribution cabinet comprises a power distribution cabinet body, a temperature sensor is arranged in the power distribution cabinet body, a plurality of fan mounting boxes are uniformly mounted on the side part of the power distribution cabinet body, and cooling fans and dustproof nets are mounted in the fan mounting boxes; a vertical sliding block is arranged in the power distribution cabinet body, and a U-shaped installation plate is installed on the side portion of the vertical sliding block. Through the arrangement of the driving assembly, the vertical sliding block and the temperature sensor can be driven to move up and down, meanwhile, under the joint cooperation of the walking rotation unit, the reciprocating lead screw can rotate, and then the temperature sensor can be driven to horizontally move back and forth in the up-down moving process through the reciprocating moving block; therefore, the temperature of each position in the power distribution cabinet body can be detected, then the cooling fans at different positions and in different numbers are started for accurate temperature adjustment, and the temperature control effect is good.

The invention discloses a pure electric vehicle air conditioning system using a fuel heater and a temperature adjustment method, which belong to the field of the pure electric vehicle air conditioning systems. The technical scheme of the air conditioning system is that: the air conditioning system comprises an air conditioning body and the fuel heater connected with the air conditioning body, wherein an air outlet of the air conditioning body is provided with a temperature sensor; the temperature sensor and the fuel heater are connected with an ECU; the air conditioning body is connected with a fan through an electric valve; and the electric valve and the fan are connected with the ECU. The embodiment of the invention controls the switching of the fuel heater between a first gear and a second gear or controls the opening of the electric valve by the ECU of a control system so as to accurately adjust the temperature of warm air blown out of the air conditioning body and adjust the temperature in a cabin to a set value in real time to make constancy of the temperature in the cabin, thereby improving the comfort of passengers in a pure electric vehicle, and simultaneously reducing unnecessary fuel consumption, saving fuels and reducing the using cost of the pure electric cost by the accurate temperature adjustment.

The invention discloses a chemical reaction kettle for sediment separation. The chemical reaction kettle comprises a kettle body, a motor and heat exchange pipes; an inner barrel which is of a mesh structure is arranged in the kettle body, and a collection hopper is communicated with the bottom of the inner barrel; a vertical rotating shaft is fixedly connected to the lower end of the output shaft of the motor, a plurality of stirring rods are equidistantly and evenly arranged on the side wall of a drill shaft, and convex rings are fixed on the inner barrel corresponding to positions between every two neighboring stirring rods; a stirring blade is fixed to the lower end of the rotating shaft; the heat exchange pipes are mounted between the inner barrel and the kettle body; longitudinal heat conduction strips are fixed on the outer side wall of the inner barrel; a circulation pipe is communicated in a circulation pump, and the upper end of the circulation pipe extends to the upper end of the inner barrel. By the arrangement, sediment generated and solid reactants hard to be reacted can be filtered by the inner barrel, product liquid can be discharged from a drain pipe, product purity is guaranteed, internal liquid flows cyclically, and the reactants are fully contacted through stirring of the stirring rods and the stirring blade.

The invention provides an electric heating floor heating system based on mobile phone APP control. The electric heating floor heating system is connected with a temperature controller. The temperature controller is connected with a mains supply, a camera and a WIFI module. The WIFI module is connected with mobile phone APP software through the wireless Internet. A floor heating system switch control program, a floor heating system temperature control program and a camera control program are set in the mobile phone APP software. By means of the wireless Internet, the mobile phone APP software is connected with the floor heating system temperature controller, the electric heating floor heating system can be controlled to be turned on and turned off through the control programs of the mobile phone APP software, temperature can be regulated according to the accuracy of one degree, and the camera of the temperature controller can be controlled to conduct security and protection monitoring.