43results about How to "High precision temperature control" patented technology

The invention provides an optical fiber perform doper and a doping method. The optical fiber perform doper comprises a heating system, a transmission system and an improved chemical vapor deposition system. The heating system comprises heating evaporators and air-intake ducts and air-outlet ducts which communicate with the heating evaporators. The transmission system comprises a heating and heat preservation transmission pipe and a heating and heat preservation plate. An oxygen pipe used for inletting high-purity oxygen and the air-outlet ducts are respectively accessed into the heating and heat preservation transmission pipe provided with corresponding interfaces. An output end of the heating and heat preservation transmission pipe communicates with a rotating part of the improved chemical vapor deposition system. Different organic metal chelates are placed in each heating evaporator, wherein an organic metal chelate in at least one of the heating evaporators is used as a doping agent. With the application of the doper provided by the invention, all gas-phase doping can be realized, and heat preservation during the whole course makes gases not to be easily coagulated. By the adoption of the doping method, doping uniformity and consistency of the product are both raised, and performance of the product is also guaranteed appropriately.

A chuck capable of holding a tray capable of holding a substrate in a predetermined position in a vacuum vessel includes a vertically movable frame, and an arm extending from the frame toward the tray and capable of supporting the tray. The arm includes a support portion which abuts against the tray, and a counterbore portion formed on that side of the support portion which faces the frame. This structure can reduce the warpage of the tray.

The invention discloses a liquid cooling source unit with the function of precisely controlling temperature and a control method. The liquid cooling source unit comprises a compressor, a condenser, an evaporator and a heating device. A liquid outlet of the evaporator is connected with a liquid inlet of the compressor. An exhaust port of the compressor is connected with an air inlet of the condenser, and an electric control valve is arranged between the compressor and the evaporator. A liquid outlet of the condenser is connected with one liquid inlet of the evaporator, and a throttling device is arranged between the condenser and the evaporator. A liquid outlet of the heating device is connected with a liquid inlet of a water tank. A liquid outlet of the water tank is connected with a liquid inlet of a liquid supply pump. A liquid outlet of the liquid supply pump is connected with the other liquid inlet of the evaporator. The other liquid outlet of the evaporator is connected with a liquid inlet of the heating device, a temperature sensor is arranged between the other liquid outlet of the evaporator and the liquid inlet of the heating device, and the temperature sensor and the electric control valve are connected to a system control device. The electric control valve and the temperature sensor are arranged, and the aim of controlling the temperature with high precision is achieved under the condition that no additional heating device is added, and the heat load of a refrigerating system is changed.

A blow molding machine with air conditioning that while minimizing the introduction rate of outside air, realizes maintaining of constant temperature in not only a plant building but also the interior of a blow molding machine and production of a bottle as a final configuration with stability in its measurement value. The blow molding machine with air conditioning is constructed so that air for use in biaxially stretching blow molding together with hot air of heating zone (1) and internal air of a plant building is suctioned by means of suction chamber (4), filtered by means of primary filer (6) and secondary filter (7) into clean air, brought into heat exchange with primary cooling coil (8), fed under pressure by air blower (10) and released through low-temperature duct (12) into the interior of the plant building. Further, the construction is made so that housing (3) on its side face is provided with vent (3a) so as to allow reflux of the clean air released into the interior of the plant building and flow into the heating zone (1) and blow zone (2).

The invention discloses a temperature-controlled repeated-shearing unsaturated soil direct shear apparatus. A support system is composed of a base, an upright and a flat plate, a shearing box supportis welded on the base, a shearing box is arranged on the shearing box support, a high-air-incoming-value clay plate is bonded at the bottom of the inner side of the shearing box, and pore water pressure can be measured on the lower portion of the clay plate. An environment chamber is arranged on the outer side of an air pressure chamber, a refrigerator is mounted on a side plate of the environmentchamber, a heating rod is arranged on the shearing box base in the environment chamber, and constant temperature control of an experiment is realized by means of electronic refrigerating and heating.A first connection member is welded on the right side of a lower shearing box and fixedly connected with the left end of a pushing shaft, and a second connection member is welded on the left side ofan upper shearing box and fixedly connected with a limiting connection member at the right end of a force transmission rod. Repeated shearing of an unsaturated soil sample is realized through forward-backward rotation of the motor, and shearing displacement can be set in a repeated shearing control portion. By the apparatus, researches on impact of temperature and shearing displacement on residualstrength of unsaturated soil can be conducted.

A rising characteristic of a temperature is improved, and high-accuracy temperature control is enabled. A temperature sensor according to the present invention includes a temperature detecting element, a heat receiving body to which the temperature detecting element is fixed and that is heated by receiving surrounding heat, a heat receiving body supporting mechanism supporting the heat receiving body at a predetermined position, and a protective tube adjusting the heat receiving body in a predetermined direction and at a predetermined position and holding the heat receiving body therein. In the temperature sensor, the heat receiving body is in a flat plate shape, the temperature detecting element is fixed to the heat receiving body, and the heat receiving body supporting mechanism includes a plurality of connecting narrow tubes connected to one another and a connecting wire passing through the respective connecting narrow tubes to connect and support all the connecting narrow tubes.

The invention discloses an air quantity control distribution method and the device that could use the action of expand with heat and contract with cold to push the air guiding board and automatically regulate the air quantity. It includes fixation base, active air guiding board, driving board, and temperature controller that can extend according to the variation of the temperature. The active air guiding board connects to the driving board by driving structure. One end of the temperature controller is fixed on fixation base, and the other is connects with the driving board. When the indoor temperature varies, the temperature controller would extend following the variation of the temperature and push the driving board to move up or down. Driving structure is set between driving board and air guiding board, the air guiding board could freely rotate around the fixation base. Thus, it could realize accurate adjusting of the air quantity of the air conditioner without energy consumption and maintaining.

The invention relates to a temperature control system of a power battery of an electric automobile and belongs to the field of power batteries. A heat-conducting base plate is fitted and fixedly arranged on a side face of a battery pack; a thermoelectric module is fitted and fixed into the heat-conducting base plate; a control terminal is used for controlling a current switching unit to switch a current direction, so that the battery pack is heated or refrigerated by the thermoelectric module. Aiming at the disadvantages that the heat-conducting capability of the heat-conducting base plate is fixed and the thermoelectric module is directly exposed and is prone to damage, the thermoelectric module is arranged in the heat-conducting base plate; the thermoelectric module is combined with the heat-conducting base plate so that heating and refrigeration are integrated; the switching of the heating and the refrigeration is realized through the current switching unit; the thermoelectric module has an adjustable heat conducting capability, the current of the thermoelectric module is adjusted through a current adjusting unit and high-precision temperature control is realized; an automatic control system is composed of a wireless communication module, so that a remote control and/or program control man-machine interaction function can be realized.

In a tip for an electric soldering iron 3 made of copper or a copper alloy, the outer surface of the tip 3a except the part thereof coated with a solder 9 is coated with a mixture of Al particles and flux, and then the Al particles alone are molten in an inert gas atmosphere, to thereby modify said outer surface so as to have a Cu-Al alloy coating layer of a high Al concentration 10-1. As a result, without using Cr plating, it is possible to provide an electric soldering iron having an excellent resistance to oxidation under high temperature environment and a high heat conductivity.

The heater has increased quick responsiveness to temperature control of air, and the air conditioner can realize highly accurate temperature control using the heater. A duct unit having heat sources comprising electric lamps in the inside thereof is attached to an air duct. Air coming into contact with glass bulbs of the electric lamps is heated by radiant heat and transferred heat generated by lighting the electric lamps, whereby the heater with increased quick responsiveness to temperature control is obtained. A first heater and a second heater are provided in the air duct, respectively, and temperature sensors for controlling these heaters are attached to the air duct and a precision environment chamber, respectively, whereby temperature control in two stages with different temperature resolutions is made possible, and an air conditioner with high accuracy excellent in controllability can be provided.

The present invention provides a heating apparatus for heating objects to be processed, which can detect a temperature of the objects to be processed with higher precision and accuracy, thereby to achieve higher precision temperature control. A heating apparatus 2 includes a processing vessel 8 configured to contain therein a plurality of objects W to be processed, the objects W including objects 58a to 58e to be processed for temperature measurement, each object 58a to 58e having each corresponding elastic wave element 60a to 60e, a heating means 10 adapted for heating the objects W to be processed, and a holding means 22 adapted to hold the objects W to be processed. To the processing vessel 8, a transmitter antenna 52 adapted to transmit an electric wave for measurement toward each elastic wave element 60a to 60e, and a receiver antenna 52 adapted to receive an electric wave having a frequency corresponding to the temperature and generated from each elastic wave element 60a to 60e are provided. A temperature analyzer 66 adapted to obtain the temperature of the wafers W to be processed for temperature measurement is connected with the receiver antenna 52, and a temperature control unit 64 adapted to control the heating means 10 is in turn connected with the temperature analyzer 66.

The invention relates to the technical field of laser processing, and discloses a vibrating-mirror constant-temperature work system and a control method thereof. The system comprises an internal-circulation subsystem, a radiator, a radiator control unit and an external-circulation subsystem, wherein the internal-circulation subsystem is used to bring out the heat of a vibrating mirror; the radiator control unit is used to control the radiator to start working and allow the radiator to transfer the heat in the internal-circulation subsystem into the external-circulation subsystem when the temperature of the internal-circulation subsystem exceeds a preset range, and controls the radiator to stop working when the temperature of the internal-circulation subsystem is within the preset range; and the external-circulation subsystem is used to release the heat of the internal-circulation subsystem transferred by the radiator into the outside. The embodiment of the invention can provide the vibrating mirror with a work environment smaller in temperature fluctuation.

In an image heating device including a heater including a substrate, a first conductor provided on the substrate, a second conductor provided at a position different from the first conductor on the substrate in a direction orthogonal to a longitudinal direction of the substrate, and a plurality of heat-generating resistors, each having the same shape and electrically connected in parallel between the first conductor and the second conductor on the substrate and a plurality of temperature detection elements for detecting a temperature of the heater and heating an image formed on a recording material by the heater, the plurality of temperature detection elements includes at least two temperature detection elements whose relative positions with respect to the closest heat-generating resistor in the plurality of heat-generating resistors are the same, respectively, the closest heat-generating resistors corresponding to the at least two temperature detection elements are independently controlled.

The invention discloses a tea oilseed dehulling and separating device, comprising a dehulling cavity, a first cavity, a second cavity, a separation cavity, and a housing. The top of the housing is provided with a branch impeller. The inner wall of the dehulling cavity is provided with an electric heating layer. A stirring roller is arranged in the dehulling cavity through a bearing. The stirring roller is provided with a stirring paddle. The upper end of one side of the dehulling cavity is provided with a TR/02013 temperature sensor. The inner wall of one side of the separation cavity is provided with an axial fan. The top end in the first cavity is provided with a microwave generator. A rinse tank is arranged in the first cavity. A seed husk collection tank is arranged in the second cavity. A MAM-330 controller is arranged on the housing under an observation window. Through arranging a series of structures, tea oilseed dehulling and separation effects are better, and quality of oil is better.

The invention relates to a roller wear self-healing device and a control method thereof. The roller wear self-healing device comprises a working roller, heat-conducting silicone grease, a TEC electronic temperature control chip, a water cooler, a temperature sensor wire, a direct-current power source wire and temperature sensors. The temperature sensors are arranged at the cold end and the hot end of the TEC electronic temperature control chip; the hot end of the TEC electronic temperature control chip is in contact with the working roller through heat-conducting silicone grease; the cold end of the TEC electronic temperature control chip is contacted and fixed with the water cooler through heat-conducting silicone grease; the water cooler is directly connected with a water pump and a circulating water tank; and the TEC electronic temperature control chip is connected with a direct-current power supply. The working roller is partitioned, and each section is independently adjusted and controlled; and the roll shape is monitored in real time according to an existing roll shape abrasion forecasting technology, the temperature of the TEC electronic temperature control chip is regulated and controlled online through a signal acquisition system, a temperature control system and the like, and then dynamic online compensation is conducted on the abraded roll shape. The method is high in plate shape regulation and control capacity, flexible, changeable and easy to control, and can be used for compensating the roller shape of the abraded roller so as to prolong the life cycle of roller replacement.

The invention discloses a car air conditioning system composed of semiconductor refrigeration and super heat conduction pipelines. The car air conditioning system composed of the semiconductor refrigeration and the super heat conduction pipelines comprises a semiconductor refrigeration device, a converter, a super heat conduction pipeline and a dispenser; the super heat conduction pipeline is connected with the dispenser and the converter; the converter is connected with the semiconductor refrigeration device and a car heat source. The car air conditioning system composed of the semiconductor refrigeration and the super heat conduction pipelines has the advantages that work can be performed continuously, any refrigerating fluid, pollution sources, rotation effect caused by rotating parts and sliding parts as solid state devices are omitted, vibration and noises during working can be eliminated, and long service life and convenient installation can be achieved; the semiconductor refrigerator is a current transduction device, high-precision temperature control can be achieved through control of input current, and automatic temperature control can be achieved easily with temperature detection and control methods; thermal inertia of the semiconductor refrigerator is very small, refrigerating and heating time is short, and the refrigerator can reach the maximal temperature difference while powered on in less than 1 minute under the situation of good heat dissipation of hot end and an unloaded cold end.

The invention discloses an atomization box capable of preventing water mist condensation, and the atomization box comprises a main box body and an atomization box body; the main box body is connectedwith the atomization box body through a connecting pipe, a refrigeration module and a water supply module are arranged in the main box body, and the water supply module supplies water to the atomization box body through the connecting pipe. An atomization water tank is arranged in the atomization box, and an atomizer and a nozzle are arranged at the head of the atomization water tank. The main boxbody and the atomization box are separated through the connecting pipe, atomized steam is prevented from being condensed into water drops in the conveying pipeline, water is conveyed into the atomization box through the water supply module, water is made into mist through high-frequency vibration in the atomization box, and the mist is directly sprayed out from the nozzle once being made, so theuse is easy.

The invention discloses an air preparation system, which comprises an air inlet, an air outlet, a compression device and a main refrigeration device, wherein the air inlet is used for introducing airinto the air preparation system; the air outlet is used for sending the air processed by the air preparation system out of the air preparation system; the compression device is arranged between the air inlet and the air outlet and is in fluid communication with the air inlet and the air outlet; the compression device causes the air which flows through the compression device to be pressurized; themain refrigeration device is arranged between the compression device and the air outlet and is in fluid communication with the compression device and the air outlet; the main refrigeration device enables the temperature of the air which flows through the main refrigeration device to be lowered; the compression device is subjected to energy supply by electricity; and in addition, the main refrigeration device is a heat exchange element subjected to the energy supply by electricity. According to the air preparation system disclosed by the invention, the air entraining flow, the installation system and the weight of the system can be reduced.

A double-circulation temperature-controlled cell incubator and a working method thereof. The cell incubator includes a first incubator body, a second incubator body arranged inside the first incubator body, an enclosed space formed between the first incubator body and the second body, a third incubator body arranged inside the second incubator body, a transport device, a heating device, and an insulation device arranged on an outer side or inner side of the first incubator body. An upper side, a rear side and a bottom side of the third incubator body and an inner wall of the second incubator body form a space. The transport device is configured to transport gas in the third incubator body to the space. The heating device is arranged at an inner side of a door or a side of the second incubator body.