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33results about How to "Precise control of working temperature" patented technology
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Hot air gun circuit device and its working method
InactiveCN101026906APrecise control of heating powerPrecise control of working temperatureTemperatue controlAir heatersComparators circuitsPower control
The circuit device includes power supply circuit, temperature control circuit, blast motor, and heating element. The temperature control circuit includes single chip, power control circuit, temperature sensing and amplifying circuit (TSAC), button circuit for setting up temperature, LCD circuit for temperature, and difference value comparator circuit (DVCC). Based on signal of temperature setting value from the button circuit for setting up temperature, the single chip controls heating power of heating element, and sends signal of temperature setting value to LCD circuit for temperature to display temperature setting value. Comparing signal of working temperature of heating element measured by TSAC with temperature control signal from single chip, DVCC carries out comparison of difference value to generate signal of difference value.
Owner:常州市英杰工具有限公司
Pressure-controllable high-pressure hydration reaction device
ActiveCN102962007AGuaranteed stabilityImprove efficiencyChemical/physical/physico-chemical stationary reactorsPressure vessels for chemical processHydration reactionProcess engineering
The invention belongs to the field of high-pressure reaction devices and particularly relates to a pressure-controllable high-pressure hydration reaction device comprising a compression gas storage tank (1), a booster jar (2) and a high-pressure reactor (24); a gas outlet of the compression gas storage tank (1) is communicated with a boosting gas inlet (9) of the booster jar (2); a boosting gas outlet (10) of the booster jar (2) is communicated with a gas inlet of the high-pressure reactor (24); the high-pressure reactor (24) comprises a magnetic stirring apparatus, a pressure-proof reaction tank body (23), a cooling pipe (17) and a reactor heating furnace wire (22); the cooling pipe (17) is arranged in the pressure-proof reaction tank body (23); the working end of the magnetic stirring apparatus is placed in the cooling pipe (17); and the booster jar (2) comprises a sealed metal pressure-proof tank body (4) and a boosting heating furnace wire (3). The pressure-controllable high-pressure water hydration reaction device can be used for completely realizing effective control on the pressure in the reaction process and increasing the efficiency and the safety of a hydration reaction process under the conditions of high temperature and high pressure.
Owner:SHENYANG POLYTECHNIC UNIV
Electronic cigarette heating assembly and portable small-smoke electronic cigarette atomizer thereof
PendingCN111374352ASmall sizeLow structural strength requirementTobaccoElectronic cigaretteSmoke Emission
The invention discloses an electronic cigarette heating assembly and a portable small-smoke electronic cigarette atomizer thereof, and the electronic cigarette heating assembly comprises a support anda sealing part. The support comprises an upper support body and a lower support body, and an oil guide cotton piece, oil guide cotton cloth and a net-shaped heating piece are sequentially clamped between the upper support and the lower support; the upper support is provided with an oil guide channel for introducing oil to the oil guide cotton piece, and the lower support is provided with a smokeoutlet; the net-shaped heating sheet is connected with the conductive electrode to supply power to the net-shaped heating sheet; the internal gap of the oil guide cotton piece is larger than that of the oil guide cotton cloth. The atomizer comprises a shell, an oil cup is arranged in the shell and fixed in the shell through a base, a heating assembly is arranged at the bottom of the oil cup, and asmoke channel is formed between the oil cup and the shell. The electronic cigarette is uniform in heating, free of local high temperature, environmentally friendly and suitable for being used as a portable small-smoke electronic cigarette.
Owner:SHENZHEN SIYUAN BELL TECH CO LTD
Permanent magnet polarizer
ActiveCN102364333AReduce weightCompact structureSpectrum investigationMagnetic property measurementsGratingPolarizer
The invention discloses a permanent magnet polarizer. In the permanent magnet polarizer, an internally-etched grating laser, a multicore optical fiber and a circular polarization / beam expander are arranged in a first light shield; a spectrometer is arranged in a second light shield; two ends of the multicore optical fiber are connected with the internally-etched grating laser and the circular polarization / beam expander respectively; a single-opening vacuum valve is connected with a steam / gas chamber; a first three-opening vacuum valve with an operating gas inlet and a vacuum gas distribution opening is connected with a third glass pipe, a first dual-opening vacuum valve, a second glass pipe, a deoxidation pipe and a first glass pipe sequentially and then is connected to the steam / gas chamber; a second three-opening vacuum valve with a first polarization gas outlet and a second polarization gas outlet is connected with a fifth glass pipe, a second dual-opening vacuum valve and a fourth glass pipe sequentially and then is connected to the steam / gas chamber; an electric heating wire and a heat-preserving membrane are wound on the outer wall of the steam / gas chamber sequentially; and a magnetic shielding cylinder is positioned outside a magnetic ring group, the heat-preserving membrane, the electric heating wire and the steam / gas chamber.
Owner:武汉中科极化医疗科技有限公司
Precise temperature control system for 3D printing of high-molecular material by picosecond laser
The invention provides a system for realizing 3D printing of a high-molecular material by a picosecond laser. The system comprises a laser system, a control system, an infrared temperature measuring device and a feeding device. Temperature difference with the latest 3D printing job temperature is compensated through calibration, feedback and laser power control. The temperature difference can be accurately controlled within + / - 0.5 DEG C. The high-molecular material can be effectively prevented from warping and nonuniform processing phenomena during 3D printing process.
Owner:INST OF CHEM CHINESE ACAD OF SCI +1
Drying system, air conditioner and work mode switch method
ActiveCN105066656AImprove experienceRealize automatic controlMechanical apparatusDrying gas arrangementsAutomatic controlFour-way valve
The invention provides a drying system, an air conditioner and a work mode switch method. The drying system comprises an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger, a compressor, a three-way electromagnetic valve and a controller. The three-way electromagnetic valve is provided with three ports at the first end, second end and third end, wherein the first end is connected to the compressor through a four-way valve, the second end is connected to the outdoor heat exchanger, and the third end is connected to the first indoor heat exchanger. The controller is connected to the three-way electromagnetic valve and used for switching the three ports according to a received mode adjustment instruction to adjust the work modes of the air conditioner, and the work modes include a pre-heating mode, a temperature-control mode and a drying and dehumidification mode. The technical scheme replaces the scheme in the correlation technique that air is pre-heated in an electric heating mode, so that energy consumption is reduced, automatic control over drying of a heat pump is realized, energy is saved greatly, and emission is reduced greatly.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Temperature control method and system and storage medium
PendingCN113031672AIncrease temperatureLow powerTemperature control using plurality of sensorsAuxillary controllers with auxillary heating devicesTemperature controlControl system
The embodiment of the invention relates to the field of communication, and discloses a temperature control method and system and a storage medium. The method is applied to the temperature control system, the temperature control system comprises a chip, a refrigeration sheet, a heat dissipation sheet and an air cooling device; the chip is connected with the low-temperature end of the refrigeration sheet; the high-temperature end of the refrigeration sheet is connected with one end of the heat dissipation sheet; the other end of the heat dissipation sheet is connected with the air cooling device; the internal real-time working temperature of the chip is obtained; if the internal real-time working temperature of the chip is smaller than a first preset threshold value, temperature control is conducted on the chip through the air cooling device; and if the internal real-time working temperature of the chip is greater than or equal to the first preset threshold value, the technical means of carrying out temperature control on the chip through the refrigeration sheet and the air cooling device is adopted to improve the heat dissipation efficiency of the chip and accurately control the internal real-time working temperature of the chip, so that the chip can operate more stably and reliably.
Owner:ZTE CORP
Precise temperature control device and control method of star sensor
ActiveCN106248075APrecise control of working temperatureImprove securityNavigation by astronomical meansTemperature control using electric meansTemperature controlProportion integration differentiation
The invention relates to a precise temperature control device and a precise temperature control method of a star sensor. The control method comprises the following steps of (S1) an instruction module analyzes and outputs instruction signals, and a temperature acquisition module acquires working temperature of a detector of the star sensor in real time; (S2) a PID (Proportion Integration Differentiation) control module receives the working temperature and the analyzed instruction signals, carries out PID operation by an anti-fuse FPGA (Field Programmable Gate Array) and outputs PID control quantity; (S3) a current acquisition module acquires working current of a cooler in real time and outputs current abnormality signals; (S4) a PWM (Pulse-Width Modulation) module receives the PID control quantity, carries out PWM operation by the anti-fuse FPGA, outputs pulse modulation signals to control the cooler for cooling, stop the cooler according to the current abnormality signals or control the cooler to start and stop according to the analyzed instruction signals. The precise temperature control device and the control method have the advantages that the anti-fuse FPGA is adopted for realizing precise control of the working temperature of the star sensor, so that temperature guarantee is provided for the accuracy of the star sensor, the requirements for low power consumption and high cooling efficiency are met, and the service life of the star sensor is prolonged.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST
High-speed device based on spectrum accurate matching technology
ActiveCN106229810AImprove matchImprove beam output qualitySemiconductor laser arrangementsLaser output parameters controlWavelength-division multiplexingOperating temperature
The invention relates to a high-speed device based on the spectrum accurate matching technology. The high-speed device comprises active chips (4), independent temperature control components (3) and a wavelength division multiplexing unit (5). The independent temperature control components (3) and the active chips (4) are in one-to-one correspondence, the high-speed device controls the active chips (4) to emit light, the light emitted by the active chips (4) is output through the wavelength division multiplexing unit (5), and the independent temperature control components (3) are used for adjusting the temperature of the active chips (4). The high-speed device can precisely control the work temperature and work wavelength of each active chip, the light beam output quality of the high-speed device is greatly improved, the technical scheme including a core function unit can be selectively adopted, or the technical scheme that different extended functions are added on the basis of the core function unit is adopted, and high flexibility is achieved.
Owner:GUANGXUN SCI & TECH WUHAN
Electromagnetic induction heating warm air blower
The invention relates to an electromagnetic induction heating warm air blower which can particularly improve heating speed and heating efficiency and is efficient and energy-saving. Different from a traditional heating method, the electromagnetic induction heating enables a heating bar to heat oneself without naked light, is high in heating speed, and short in preheat time. Operating frequency is 10KHz-40KHz, operating temperature is 0-500 DEG C, and heating efficiency is high and more than or equal to 85%-99%. The electromagnetic induction heating warm air blower has an automatic temperature control function, is compact in structure, light in device, small in size, low in device production manufacture cost, and long in service life, does not need frequent maintenance, doest not discharge smoke and carbon monoxide and other waste gases in the production operating process, avoids possibility of carbon monoxide poisoning of human and livestock due to indoor warming, is environment-friendly and sanitary in using environment, can not cause environment pollution, and is suitable for circular air warming and material drying such as heating and warming of interiors, vegetable greenhouses, flowers and plants greenhouses and breeding industry livestock colony houses, drying of agricultural products and traditional Chinese medicinal materials.
Owner:古晓跃
High-speed laser
The invention discloses a high-speed laser. The high-speed laser comprises a shell, a laser chip heat sink, a laser chip, a backlight detection chip, a detection chip heat sink and a thermoelectric refrigerator are arranged in the shell, a tube socket and a tube cap are coaxially packaged in the shell, one side of the thermoelectric refrigerator is arranged on the tube socket, the other side is arranged below the substrate,the detection chip heat sink and the thermistor are arranged above the substrate, the laser chip is attached to the laser chip heat sink, and the backlight detection chip is attached to the detection chip heat sink; and the thermoelectric refrigerator comprises a semiconductor refrigeration sheet, a heat conduction sheet and a heat dissipation sheet, the conductor refrigeration sheet is fixed between the heat conduction sheet and the heat dissipation sheet, and both the space between the semiconductor refrigeration sheet and the heat conduction sheet and the space between the semiconductor refrigeration sheet and the heat dissipation sheet are filled with insulating heat conduction colloid, so that the refrigeration effect is improved, the chirp effect is avoided, and high-speed, long-distance and stable-wavelength transmission of the laser is realized.
Owner:深圳市利拓光电有限公司 +1
Blanking machine heat radiating device
PendingCN107855400AEasy to controlPrecise control of working temperatureShaping toolsPunchingSpray nozzle
The invention discloses a blanking machine heat radiating device. The blanking machine heat radiating device comprises a punching head heat radiating assembly, a base heat radiating assembly and a cooling water storage tank. The punching head heat radiating assembly is installed on a fixed support above a punching head. The base heat radiating assembly is composed of a heat radiating connecting piece and a cooling water jacket. The heat radiating connecting piece is coated on a punching groove of a base. The cooling water jacket is coated at the outer side of the heat radiating connecting piece. The punching head heat radiating assembly comprises a fixed jacket, a water conveying ring pipe and spray nozzles. The spray nozzles are connected to the water conveying ring pipe and are further symmetrically installed at the two sides of the punching head. The cooling water storage tank is sequentially connected with the cooling water jacket and the water conveying ring pipe through a water conveying pipeline. According to the blanking machine heat radiating device, the punching head of a blanking machine can be dried comprehensively in the mode that water and airflow are combined for use, cooling water on a punching base and cooling water on the punching head can be combined for use, the using amount of the cooling water is reduced, waste is avoided, convenience and environmental protection are realized, and normal operation of equipment cannot be influenced.
Owner:YANCHENG FANGTIAN NON WOVEN PORDUCTS CO LTD
Temperature-controlled coaxial refrigeration cable
PendingCN109767874ALower heating temperatureReduce manufacturing costConcentric cablesPower cables with screens/conductive layersElectrical conductorHeat generation
The invention discloses a temperature-controlled coaxial refrigeration cable, comprising a cable core; the cable core comprises an inner conductor and an outer conductor outside the inner conductor, the inner conductor is a hollow metal tube, and the outer conductor is a metal strip that is longitudinally wrapped and welded into a tubular structure; a plurality of insulating spacers for supportingare disposed between the inner conductor and the outer conductor in a radial direction of the cable, the inner conductor and the outer conductor form a coaxial structure, and a flow hole is formed inthe insulating space; coolants are filled inside the inner conductor and between the inner conductor and the outer conductor, and an outer sheath is arranged on the surface of the outer conductor. The cable is large in transmission capacity, small in heat generation, controllable in cable temperature, and good in flexibility.
Owner:JIANGSU ZHONGLI GRP CO LTD
Catalytic combustion type MEMS gas sensor and working method thereof
PendingCN110988049APrecise control of working temperatureReduce power consumptionMaterial resistanceMicrocontrollerTemperature control
The invention relates to a catalytic MEMS gas sensor and a working method thereof. The catalytic MEMS gas sensor comprises a substrate, a first insulating support layer, a resistance heating layer, asecond insulating support layer, a temperature sensing electrode layer, a catalytic material layer and a microcontroller, wherein the first insulating support layer is arranged on the substrate, the resistance heating layer is arranged on the first insulating support layer, and the second insulating support layer covers the resistance heating layer; the temperature sensing electrode layer is arranged on the second insulating support layer, and the catalytic material layer is attached to the upper parts of the temperature sensing electrode layer and a heating working region of the second insulating support layer; and the microcontroller is arranged on the substrate. The working method comprises the steps that the microcontroller is controlled to obtain the heating power and the heating temperature of the heating resistance layer and the temperature sensing electrode layer; the working temperature of the resistance heating layer is controlled to be constant; and the gas sensor periodically works at a constant low temperature, a constant medium temperature and a constant high temperature. According to the catalytic combustion type MEMS gas sensor and the working method thereof provided by the invention, the sensor is short in response time, low in power consumption and low in cost.
Owner:武汉微纳传感技术有限公司
Repairing device for PVC/PVG whole-core flame-retardant conveyer belt
The invention discloses a repairing device for a PVC / PVG whole-core flame-retardant conveyer belt. The repairing device of the invention overcomes the problems that conventional repairing devices arenot economic and unfriendly to environment. The repairing device is characterized in that a heating circulation system and a cooling circulation system are arranged; the lower part of a press vulcanizer is provided with a main oil inlet pipe, and the upper part of the press vulcanizer is provided with a main oil outlet pipe; the main oil inlet pipe is connected with branch oil inlet pipes; and themain oil outlet pipe is connected with branch oil outlet pipes. According to the invention, the independent heating and cooling circulation systems are adopted, so the heating and cooling proceduresof the hot plate of the vulcanizer are flexibly transformed; the working temperature of the vulcanization hot plate is accurately controlled; and due to closed circulation of heating and cooling mediums, leakage and venting do not occur, and heat energy loss is low. The device has the advantages of simple structure, convenient conversion, precise control, no pollutant emission, energy conservationand environmental protection, effectively solves problems in repairing processes for the PVC / PVG whole-core flame-retardant conveyer belt, and improves the surface quality of the conveyer belt.
Owner:ANHUI ZHONGYI RUBBER BELTS
A kind of mems semiconductor gas sensor and its manufacturing method, and gas detection method
ActiveCN104034759BAutomatic adjustment of heating powerGuaranteed performanceDecorative surface effectsSolid-state devicesComputer moduleEngineering
The present invention relates to a sensor for gas detection, in particular to a MEMS semiconductor gas sensor, comprising a substrate with a hollow portion and a sensing module formed on the substrate, the sensing module comprising a first insulating layer stacked in sequence, Heating resistance, second insulation layer, test electrode and gas-sensitive layer; Described sensor also comprises control module and temperature detection module, and temperature detection module, heating resistance and test electrode are respectively connected with described control module; Temperature detection module is used for detecting The ambient temperature is fed back to the control module, and the control module adjusts the heating power of the heating resistor according to the ambient temperature, thereby controlling the temperature of the gas sensitive layer to the required working temperature. The sensor reduces or even eliminates the adverse effect on the gas sensitive layer due to ambient temperature changes, thereby ensuring the performance of the gas sensor. The invention also provides a manufacturing method of the gas sensor and a detection method based on the sensor.
Owner:SUZHOU LEANSTAR ELECTRONICS TECH
A floating vibrator ultrasonic salt bath compound cleaning machine and its use method
ActiveCN104889106BSave man hoursImprove cleaning efficiencyCleaning using liquidsTemperature controlUltrasonic sensor
The invention discloses a floating vibrator ultrasound salt bath compound cleaning machine and a use method thereof. The floating vibrator ultrasound salt bath compound cleaning machine comprises a sealed machine frame, wherein a thermal insulation fan is arranged at the upper end of the sealed machine frame, a vibrator plate used to movably install an ultrasonic vibrator is vertically arranged on the outer side of the middle of the machine frame, a rinse tank is arranged on the lower portion of the interior of the machine frame, a work platform is horizontally arranged in the rinse tank, a support plate is arranged below the work platform, and a heating coil heated through an electromagnetic heating mode is arranged below the support plate. The floating vibrator ultrasound salt bath compound cleaning machine and the use method thereof have the advantages that 1) by using the electromagnetic heating mode to heat the heating coil, sustainable work can be achieved when fused salt is under 300 degree centigrade, a whole use labor hour is provided, and cleaning efficiency is improved; 2) by using the electromagnetic heating mode, accurate control for work temperature of the floating vibrator ultrasound salt bath compound cleaning machine is achieved, temperature control accuracy for the floating vibrator ultrasound salt bath compound cleaning machine is raised to + / -5 degree centigrade, a heating range from 170 degree centigrade to 300 degree centigrade is achieved, and heating time is reduced to 10min; 3) by using the vibrator plate to fix the ultrasonic vibrator, the ultrasonic vibrator is prevented from falling off due to high temperature.
Owner:SHANDONG UNIV
An intelligent electronic control thermostat
ActiveCN113123852BReduce water temperatureImprove safety and reliabilityCoolant flow controlMachines/enginesRotational axisGear wheel
Owner:ZHEJIANG YANGMING AUTO PARTS
Semiconductor power device and power processing assembly for semiconductor power device
ActiveCN111162057BReduced risk of damaging temperature sensorsPrecise control of working temperatureSemiconductor/solid-state device testing/measurementSemiconductor/solid-state device detailsPower processingElectrical connection
Owner:GREE ELECTRIC APPLIANCES INC +1
Multi-temperature-region sapphire microwave source system and a control method thereof
ActiveCN107153436AGreat economic benefitsPrecise control of working temperatureAuxillary controllers with auxillary heating devicesControllers with particular characteristicsThermistorHigh index
The application discloses a multi-temperature-region sapphire microwave source system and a control method thereof, so that a problem of temperature control of a sapphire microwave source can be solved. The system comprises a low-temperature device, microwave chambers, hot plates, a temperature control module and a frequency meter. The microwave chambers and the hot plates are arranged inside the low-temperature device and the rest of components are arranged outside the low-temperature device. A plurality of hot plates are arranged and include plate-like parts, heating wires and thermistors. A plurality of microwave chambers are arranged; and each microwave chamber is at least in contact with one plate-like part fixedly. The temperature control module connected with the thermistors and the heating wires is used for controlling the operating temperatures of the microwave chambers. The frequency meter measures the frequencies of output signals of the microwave chambers. In addition, the control method is as follows: for each microwave chamber, the operating temperature is changed, the frequency is measured, and the difference of the frequency is calculated; a temperature inflection point is searched; and the operating temperatures of the microwave chambers are kept to be at the temperature inflection point. Therefore, each microwave chamber is at the temperature inflection point and a high-index microwave signal is outputted.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT
Method for rapidly fermenting organic matters, and products thereof
InactiveCN110922245AEliminate anaerobic bacteriaReduce odor emissionCalcareous fertilisersBio-organic fraction processingAgricultural engineeringOrganic compound
The invention discloses a method for rapidly fermenting organic matters, and an organic fertilizer, culture soil and a feed prepared by the method. The method comprises the following steps: selectingone or a combination of animal waste, kitchen waste, agricultural plant waste and organic sludge as a fermentation raw material; adding an oxygen-rich substance into the fermentation raw material; putting the fermentation raw material into a reaction space, controlling the working temperature at 55 DEG C and 90 DEG C, and performing aeration on the reaction space; adding an additive into the fermentation raw material according to an adding ratio of the fermentation raw material to the additive of 10000:1-20000:1, and fermenting organic matters at a working temperature to obtain an organic compound; and performing drying treatment on the organic compound to obtain a final product, wherein the final product is organic fertilizer, culture soil and a feed.
Owner:钟明吉 +2
Drying system, air conditioner and working mode switching method
ActiveCN105066656BImprove experienceRealize automatic controlMechanical apparatusDrying gas arrangementsAutomatic controlFour-way valve
The present invention proposes a drying system, an air conditioner and a working mode switching method, wherein the drying system includes: an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger and a compressor ;Three-way solenoid valve, the three-way solenoid valve has three ports of the first end, the second end and the third end, wherein, the first end is connected to the compressor through the four-way valve, and the second end is connected to the outdoor heat exchanger, The third end is connected to the first indoor heat exchanger; the controller, connected to the three-way solenoid valve, is used to switch between the three ports according to the received mode adjustment command, so as to adjust the working mode of the air conditioner, wherein , The working modes include preheating mode, temperature control mode and drying and dehumidification mode. Through the above technical solution, it replaces the solution of air preheating by electric heating in the related art, saves energy consumption, realizes the automatic control of heat pump drying, and can greatly save energy and reduce emission.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Variable air volume adjusting valve applied to purification equipment
InactiveCN113202959AReduce vibrationEnsure stabilityOperating means/releasing devices for valvesDispersed particle filtrationVariable air volumeGear wheel
The invention discloses variable air volume adjusting valve applied to purification equipment, comprising an adjusting valve body and a protection mechanism. The protection mechanism comprises a base; connecting grooves are formed in the outer walls of the two sides of the base; flanges are arranged on the outer walls of the two sides of the connecting grooves; the inner wall of the connecting groove on one side is slidably connected with an adsorption net cage; the inner wall of the connecting groove is rotatably connected with a connecting shaft; a baffle is welded to the outer wall of the connecting shaft; a control groove is formed in the outer wall of the side, close to the connecting shaft, of the base; the connecting shaft penetrates into the control groove; a driving disc is welded to the tail end of the connecting shaft; a gear disc is rotationally connected to the inner wall of the control groove and meshed with the control disc; and a driving groove is formed below the control groove. According to the adjusting valve, a damping spring, a damping sponge, a protective pad, a buffering cotton strip, a buffering spring and a buffering cotton swab act together, so that vibration generated when the adjusting valve body works is reduced, the stability of the adjusting valve is kept, the influence of continuous vibration of the adjusting valve body in the working process on the service life of the adjusting valve body is reduced, and the service life of the adjusting valve body is prolonged.
Owner:深圳市贵庭机电设备有限公司
Precise temperature control system with all-weather wide temperature zone
InactiveCN101975489BPrecise control of working temperatureGuaranteed uptimeRefrigeration safety arrangementHeating and refrigeration combinationsTemperature controlElectricity
The invention discloses a precise temperature control system with an all-weather wide temperature zone, which is characterized in that the system comprises a cold and hot source module, a coolant loop and a measurement and control system, wherein the cold and hot source module is composed of a mechanical refrigeration unit, an air cooling refrigeration unit and an electric heating unit; the coolant loop takes a liquid pump as a drive source for coolant recycle, the coolant in a liquid accumulator passes through the liquid pump, a heat sink with a microchannel and a three-way valve in turn, passes through one of two parallel branches at the outlet end of the three-way valve, and then flows back to the liquid accumulator through an electric heating module of a main loop, and one path of thetwo parallel branches is a mechanical refrigeration unit channel passing through the outlet A of the three-way valve, and the other path is an air cooling refrigeration unit channel passing through the outlet B of the three-way valve; and in the system, the wide temperature zone within a range of minus 60 DEG C-70 DEG C is divided into a refrigeration zone, an air cooling zone and a heat supply zone, and the measurement and control system carries out zone control to enable the temperature control system to run in a refrigeration mode, an air cooling mode and a heat supply mode according to the real-time running states. The temperature control system is used for precise temperature control of all-weather wide temperature zone operating environment.
Owner:HEFEI UNIV OF TECH
Temperature control device for electronic cigarette
ActiveCN106858724BControl working temperaturePrecise control of working temperatureTobacco devicesTemperature controlElectrical resistance and conductance
Owner:DONGGUAN MYSMOK ELECTRONICS TECH CO LTD
A 3D printing polymer material system with precise temperature control using picosecond laser
ActiveCN103978687BAccurate and fast 3D printing jobsHigh peak powerPicosecond laserTemperature control
The invention provides a system for realizing 3D printing of a high-molecular material by a picosecond laser. The system comprises a laser system, a control system, an infrared temperature measuring device and a feeding device. Temperature difference with the latest 3D printing job temperature is compensated through calibration, feedback and laser power control. The temperature difference can be accurately controlled within + / - 0.5 DEG C. The high-molecular material can be effectively prevented from warping and nonuniform processing phenomena during 3D printing process.
Owner:INST OF CHEM CHINESE ACAD OF SCI +1
Pressure-controllable high-pressure hydration reaction device
ActiveCN102962007BGuaranteed stabilityImprove efficiencyChemical/physical/physico-chemical stationary reactorsPressure vessels for chemical processHydration reactionProcess engineering
Owner:SHENYANG POLYTECHNIC UNIV
Hot air gun circuit device
InactiveCN100594745CPrecise control of heating powerPrecise control of working temperatureTemperatue controlAir heatersMicrocontrollerWorking temperature
The circuit device includes power supply circuit, temperature control circuit, blast motor, and heating element. The temperature control circuit includes single chip, power control circuit, temperature sensing and amplifying circuit (TSAC), button circuit for setting up temperature, LCD circuit for temperature, and difference value comparator circuit (DVCC). Based on signal of temperature settingvalue from the button circuit for setting up temperature, the single chip controls heating power of heating element, and sends signal of temperature setting value to LCD circuit for temperature to display temperature setting value. Comparing signal of working temperature of heating element measured by TSAC with temperature control signal from single chip, DVCC carries out comparison of differencevalue to generate signal of difference value.
Owner:常州市英杰工具有限公司
A multi-temperature zone sapphire microwave source system and control method
ActiveCN107153436BPrecise control of working temperatureIncrease working temperatureAuxillary controllers with auxillary heating devicesControllers with particular characteristicsEngineeringThermistor
The application discloses a multi-temperature-region sapphire microwave source system and a control method thereof, so that a problem of temperature control of a sapphire microwave source can be solved. The system comprises a low-temperature device, microwave chambers, hot plates, a temperature control module and a frequency meter. The microwave chambers and the hot plates are arranged inside the low-temperature device and the rest of components are arranged outside the low-temperature device. A plurality of hot plates are arranged and include plate-like parts, heating wires and thermistors. A plurality of microwave chambers are arranged; and each microwave chamber is at least in contact with one plate-like part fixedly. The temperature control module connected with the thermistors and the heating wires is used for controlling the operating temperatures of the microwave chambers. The frequency meter measures the frequencies of output signals of the microwave chambers. In addition, the control method is as follows: for each microwave chamber, the operating temperature is changed, the frequency is measured, and the difference of the frequency is calculated; a temperature inflection point is searched; and the operating temperatures of the microwave chambers are kept to be at the temperature inflection point. Therefore, each microwave chamber is at the temperature inflection point and a high-index microwave signal is outputted.
Owner:BEIJING INST OF RADIO METROLOGY & MEASUREMENT
A star sensor precision temperature control device and control method
ActiveCN106248075BPrecise control of working temperatureImprove securityNavigation by astronomical meansTemperature control using electric meansTemperature controlProportion integration differentiation
Owner:SHANGHAI AEROSPACE CONTROL TECH INST
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