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47results about How to "Realize precise temperature control" patented technology
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Efficient energy saving electro heating multipurpose cooker and new method of accurate temperature controlling and healthy cooking
InactiveCN101669761APlug the drainSolve technical problems that cannot withstand high temperaturesCooking-vessel lids/coversCooking utensils shields/jacketsElectricityAutomatic control
The invention discloses an efficient energy saving electro heating multipurpose cooker utilizing a new method of accurate temperature controlling and healthy cooking. The technical scheme of the invention is as follows: the outside surface of the cooker body is provided with an ambient temperature sensor; the base of the cooker is provided with an inner pot temperature sensor; the cooker body, thecooker cover and the cooker base are all set to be closed efficient heat insulation interlayers; the closed heat insulation interlayer on the cooker base is arranged between the casing of the cookerbase and the electro heating device; a hallow cavity is arranged between the casing of the cooker base and the closed heat insulation interlayer; and the purposes of energy saving, discharge reducingand healthy cooking can be realized by setting standard control values such as ambient temperature or temperature drop, cooking / steaming temperature and time and the like by an automatic control device and by comparing the ambient real-time temperature or temperature drop with the inner pot real-time temperature to control the power on and power off of the electro heating device. The efficient energy saving electro heating multipurpose cooker can be used for cooking rice, cooking congee, cooking soups and steaming food; compared with various electro rice / congee / soup cooker in the prior art, the invention can save electricity by 30%-50% and can be widely used in families, dining halls and catering enterprises in cities and towns.
Owner:郭卫康
Temperature sensor needless accurate heating-up temperature control device and method
ActiveCN1991654ARealize precise temperature controlThermometers using electric/magnetic elementsUsing electrical meansTemperature controlHeating temperature
A precise heating temperature control device and method without temperature sensor are disclosed that belongs to temperature measuring technique field, the characteristics are those: the controller obtains the practical temperature by measuring the resistance of the heating elements, when the practical temperature is lower than the target temperature, and the heating elements are pulse heated, and the practical temperature of heating elements are controlled at allowed extent. The invention does not need the additional temperature sensor and the resistance matched with the bridge, and it has simple structure, low cost, and accurate control temperature, and it can be used in any occasion that the temperature control is realized by resistance hater.
Owner:CAPITALBIO CORP +1
Novel temperature control device and application method thereof
InactiveCN102968141ARealize precise temperature controlSolve temperature control deficienciesTemperatue controlTemperature controlElectricity
The invention relates to the technical field of industrial automation temperature control, and in particular relates to a novel temperature control device and an application method thereof. The novel temperature control device comprises a programmed temperature-controlled meter, a control circuit and an input panel; at least two thermocouple ports are arranged on an auxiliary input module and are electrically connected with thermocouple elements; and a main output module is provided with at least two control output ports which are electrically connected with solid relays. The application method comprises the following steps that: the initial temperature of each time interval, the thermal treatment time after each time interval and a desired temperature in a thermal treatment process are set; and the temperature gradient of the time interval is calculated by a central processor, wherein the temperature gradient is equal to the desired temperature subtracted by the current temperature and divided by the thermal treatment time. A refrigeration control end is electrically connected with a cooling fan of a thermal treatment furnace; and an operator adjusts the heating state or the refrigeration state of the novel temperature control device through a heating / refrigeration switchover device, so that a temperature control defect of heating after excessive refrigeration is overcome.
Owner:DONGGUAN KELEE STEEL WIRE
Constant-temperature water bath control method based on feedforward feedback fuzzy self-tuning PID control algorithm
InactiveCN111459212ATemperature controlRealize precise temperature controlAuxillary controllers with auxillary heating devicesWater bathsMathematical model
The invention provides a constant-temperature water bath control method based on a feedforward feedback fuzzy self-tuning PID control algorithm. The constant-temperature water bath control method comprises the following specific steps: 1) measuring a temperature step curve of a constant-temperature water bath; 2) establishing a thermostatic water bath temperature mathematical model; and 3) performing controlling by adopting a fuzzy PID control algorithm. According to the invention, the fuzzy PID control system is applied to the constant-temperature water bath monitoring system, and has great significance in improving the stability of the system, improving the dynamic performance of the system, enhancing the adjustment level of the system, improving the control efficiency, ensuring the measurement quality and saving energy.
Owner:JINLING INST OF TECH
Low-temperature differential thermal control device for infrared horizon sensors of orbit transfer vehicle
ActiveCN104369876ALarge thermal resistanceEnable Differentiated Thermal DesignCosmonautic environmental control arrangementHorizonThermal insulation
The invention provides a low-temperature differential thermal control device for infrared horizon sensors of an orbit transfer vehicle. The low-temperature differential thermal control device comprises a thermal insulation gasket, an S781 white paint thermal control coating, a multilayer thermal insulation assembly, an electric heater, a thermistor, the horizon sensors and horizon sensor supports. Independent heat dissipation faces are formed on the infrared horizon sensors for the first time, the positions of the heat dissipation faces formed on the pitching horizon sensor and the rolling horizon sensor are different according to different illumination conditions, implementation is convenient, reliability and adaptability are high, the total resource occupation amount is small, thermal resistance between a star and the infrared horizon sensors is increased through the thermal insulation gasket, a basis is provided for independent temperature control of the horizon sensors, the independent heat dissipation faces are formed on the heads of the infrared horizon sensors so as to achieve a low-temperature design thought, the S781 white paint thermal control coating is sprayed, differential thermal design of the infrared horizon sensors is achieved, and adaptability of horizon sensor maneuvering orbits is improved.
Owner:SHANGHAI SATELLITE ENG INST
Titanium-based alloy material spinning forming method based on composite heating
ActiveCN109108139AEvenly heatedImproved deformation coordinationShaping toolsTemperature controlInstability
The invention provides a titanium-based alloy material spinning forming method based on composite heating. The titanium-based alloy material spinning forming method comprises the steps that firstly, ablank, a central spindle and a spinning roller are preheated with a flame gun; and secondly, the blank is heated to the spinning temperature with a follow-up induction heating coil, the temperature is monitored with an infrared thermal imager in the spinning process, and heating and heat preserving are conducted on the blank in a spun area behind the spinning roller with the flame gun. Accordingto the titanium-based alloy material spinning forming method based on composite heating, two heating modes including front-end electromagnetic induction heat source heating and back-end flame source heat compensating are combined, the temperature is monitored with the infrared thermal imager, and then online heating and precise temperature controlling in the spinning forming process are achieved.Embodiment results show that when spinning forming is conducted on a titanium-based alloy through the method, an obtained spun part is uniform in wall thickness, has no cracking phenomenon, is high inquality and can not generate defects such as instability wrinkling in the spinning process.
Owner:HARBIN INST OF TECH
Accurate temperature control refrigeration system
InactiveCN111023613AThere will be no early entry into the low-frequency stateRealize precise temperature controlMechanical apparatusSpace heating and ventilation safety systemsTemperature controlFour-way valve
The invention discloses an accurate temperature control refrigeration system. The system comprises an internal regulation system and an external induction module. According to the precise temperaturecontrol refrigeration system, firstly, the external temperature is taken as a frequency conversion temperature, and an overall air conditioner can enter a low-frequency state only after the external temperature reaches a set range, the air conditioner cannot enter the low-frequency state in advance, and accurate temperature control of the air conditioner is achieved; secondly, during refrigeration, the exhaust temperature of a compressor can be effectively reduced, refrigeration efficiency is improved, time for adjustment of the change of the external temperature is shortened, time for coolingis shortened, the temperature is more stable, and the effect of accurate temperature control is achieved during refrigeration; finally, frost on an external heat exchanger can be melted during heating, an air conditioning system needs no reverse by a four-way valve during defrosting, heating efficiency of an air conditioning heat pump is greatly improved, and the air conditioning system performsheating during defrosting synchronously. Therefore, comfort of the air conditioning in heating is improved, and better use prospect is provided.
Owner:合肥通用制冷设备有限公司
Compound temperature control system with combination of spacecraft feedback control and feedforward compensation
ActiveCN109032209AThe effect of reducing stabilityDynamic adjustment of heating timeTemperatue controlHeat fluxClosed loop
The invention discloses a compound temperature control system with combination of spacecraft feedback control and feedforward compensation. The compound temperature control system comprises a temperature deviation feedback module, an external heat flux internal heat source forwardfeed module, an electric heating driving module, a temperature measurement sensor, and a thermal control implementationmodule. A temperature measuring module analyzes the value of the temperature measurement sensor, and provides adjusting input for a temperature control period adjusting module. The temperature control period adjusting module and a heating control module achieve electric heating driving signal calculating output. Minimum step size of the heating control module is controlled by a distinguishable heating time setting module. An external heat flux weighting module provides external heat flux weighting, and modified the output of the heating control module. Error caused by a temperature control strategy and a control method can be reduced, and a closed loop of known disturbance and control parameters in the spacecraft operating environment is achieved.
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Post evaluation system for polluted soil remediation
InactiveCN104075984AImprove accuracyGuaranteed to workWeather/light/corrosion resistanceHigh concentrationDynamic monitoring
The invention discloses a post evaluation system for polluted soil remediation. The system is provided with six independent reaction kettles, and temperature sensors, conductivity electrodes, pH electrodes and redox potential electrodes are arranged in grooves in the reaction kettles, so that internal precise temperatures in the reaction kettles are accurately controlled; furthermore, test analysis and dynamic monitoring on multiple test samples and multiple parameters can be simultaneously performed, so that parallel test errors are reduced, and the test period is shortened; the conductivity electrodes, high-temperature-resistant and acid-alkaline-corrosion-resistant electrodes are adopted for the pH electrodes and the redox potential electrodes, so that the durability and the detection accuracy of equipment are greatly improved; hollow meshed test sample tables are arranged at the bottom parts of the reaction kettles so that a requirement for a relevant leaching test standard is met. The system integrates testing and dynamic monitoring; the aim of post evaluation is fulfilled by performing accelerated corrosion test and analysis on remediated polluted soil under conditions of high temperature, high pressure, high rotating speed and high concentration.
Owner:JIANGSU ZHONGYI ECOLOGICAL SOIL INST +1
Superconducting device test probe rod
PendingCN111856370ARealize precise temperature controlGuaranteed test resultsAuxillary controllers with auxillary heating devicesMagnetic field measurement using superconductive devicesTemperature controlEngineering
The invention provides a superconducting device test probe rod. The superconducting device test probe rod comprises a test rod body, a heat conduction sample table and a temperature measurement and control module, the test rod body is provided with a test end. The heat conduction sample table is fixedly connected with the test end. The temperature measurement and control module is fixed on the heat conduction sample table. The temperature measurement and control module is used for measuring and controlling the temperature of the heat conduction sample table. According to the invention, the heat conduction sample table is fixed at the test end of the test rod body; the temperature measurement and control module is fixed on the heat conduction sample table, the good heat conduction performance of the heat conduction sample table is utilized, the temperature measurement and control module measures and controls the temperature of the heat conduction sample table, accurate temperature control over a superconducting device to be tested is achieved, and therefore the test effect of the superconducting device to be tested is guaranteed.
Owner:NAT INST OF METROLOGY CHINA
Precise temperature control system of satellite-borne detector
ActiveCN110913665ARealize precise temperature controlMeet the needs of high-precision measurementModifications by conduction heat transferHemt circuitsEngineering
The invention discloses a precise temperature control system. The system comprises a detector assembly. The detector assembly comprises a refrigeration frame used for installing an infrared detector body, and the outer end of the refrigeration frame is connected with a heat sink copper block. The detector assembly is connected with one end of the heat pipe through the heat sink copper block, and the other end of the heat pipe is connected with the radiation cold plate. According to the system, refrigeration is realized by adopting a combined mode of the radiation cold plate and the thermoelectric refrigerator. The thermoelectric refrigerator adopts a direct-current driving mode, so that the photosensitive surface of the detector is ensured to have higher temperature stability, and meanwhile, noise interference caused by a refrigeration driving circuit is avoided. The system can ensure that the photosensitive surface of the detector works at a lower temperature, has higher temperature stability, and meets the application requirements of infrared band high-precision weak signal measurement. In addition, the system is compact in structure, simple in process, easy to implement and highin reliability.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Thermosensitive control variable pitch fan
InactiveCN103104528ARealize precise temperature controlPump controlNon-positive displacement fluid enginesTemperature controlAir volume
The invention relates to a thermosensitive control variable pitch fan. Change of heat conduction expansion wax on temperature is correspondingly converted into volume change to push a piston to driven a variable pitch disk connected with the piston, a pull rod and a fan blade, then blade pitch of the fan blade can be changed to achieve different air inlet amounts under the same rotation speed, and accordingly the purpose of direct-distance air cooling accurate temperature control of an engine can be well achieved.
Owner:李青青
Automatic temperature-controlled heat exchange device for asphalt
ActiveCN107446607AExtension of timeShorten the timeLighting and heating apparatusWorking-up pitch/asphalt/bitumen by meltingTemperature controlEngineering
The invention discloses an automatic temperature-controlled heat exchange device for asphalt. The device comprises a boiler, a first heat exchanger, a second heat exchanger, a high-temperature tank and an asphalt pump, wherein the discharging end of the asphalt pump is connected with the feeding end of the first heat exchanger through a material conveying pipeline; the discharging end of the first heat exchanger is connected with the feeding end of the second heat exchanger through a material conveying pipeline; the discharging end of the second heat exchanger is connected with the feeding end of the high-temperature tank through a material conveying pipeline; the air inlet end of the second heat exchanger and the air inlet end of the first heat exchanger are connected with air inlet branch pipelines through flanges; the same ends of the two air inlet branch pipes are connected with the same air inlet main pipeline; one end of the air inlet main pipeline is connected with the air outlet end of the boiler. According to the automatic temperature-controlled heat exchange device disclosed by the invention, accurate temperature control is realized; the boiler, the first heat exchanger and the second heat exchanger are additionally arranged between the asphalt pump and the high-temperature tank, so that the time required by heating the asphalt is shorter; moreover, a frequency converter body is conveniently mounted on the asphalt pump, the temperature is accurately controlled, and the operation is convenient.
Owner:东莞东交沥青有限公司
Intelligent temperature control system for gene detection
InactiveCN105400690AImprove efficiencyHigh degree of automationBioreactor/fermenter combinationsBiological substance pretreatmentsTemperature controlOutput device
The invention relates to an intelligent temperature control system for gene detection. The intelligent temperature control system is used for the technical field of gene detection. The system comprises a detection cover plate, a gene sample box and a temperature control box. The detection cover plate and the gene sample box are sequentially arranged on the temperature control box, one end of an electrolysis probe electrode is inserted into a sample cavity, and the other end of the electrolysis probe electrode is connected with a gene electrochemical testing device. A gene extraction injection pump and a gene data output device connected with the gene sample box through a data output probe are further arranged on the side face of the gene sample box. A cooling device, a temperature controller and a heating device are arranged on the side face of the temperature control box side by side. The cooling device is connected with a cooling tank, and the heating device is connected with heating conducting glass. The temperature controller is inserted into the sample cavity through a temperature detection rod. The system is high in efficiency, low in cost, high in automation degree, low in labor intensity, easy to operate and good in safety, data for gene detection are real and good in effectiveness, detection is convenient, the effects of accurate temperature control and intelligent temperature control are achieved, and large market promotion prospects are achieved.
Owner:张正前
Rotary in-line tube heat exchanger
PendingCN119394061AIncrease productionImprove heat transfer efficiencyStationary tubular conduit assembliesDrying solid materialsSupporting systemHeat transfer efficiency
The invention discloses a rotary type in-line tube heat exchanger which comprises a machine body barrel, a heat exchange system, a feeding device, a discharging device, a transmission system and a supporting system. In a heat exchange system, forced circulation of a heat exchange medium can be achieved, a certain heat exchange temperature can be ensured, no heat exchange dead zone exists, and the heat transfer efficiency is higher.
Owner:TIANHUA INSTITUTE OF CHEMICAL MACHINERY AND AUTOMATION CO LTD +1
Precise adjustable liquid expansion temperature controller
PendingCN111276367AReflect displacementResponseThermal switch detailsTemperature controlWorking environment
The invention discloses a precise adjustable liquid expansion temperature controller, and the controller comprises a switch assembly and a liquid closed power system arranged on the switch assembly and used for generating switch driving quantity matched with a switch. According to the precise adjustable liquid expansion temperature controller, through the liquid intangibility and uniform moleculardistribution, the temperature is sensitive to temperature changes, the volume expansion coefficient is high, and an elastic energy conversion diaphragm capsule is combined, so the tiny change of thetemperature can be converted into a corresponding displacement and force; a temperature control probe is directly contacted with an equipment working environment, and no indirect energy transmission component is arranged in the middle; the temperature is converted into a temperature variable (heat energy) by the diaphragm capsule and is directly applied to the switch contact assembly; by means ofthe structure, tiny temperature changes of the control environment can be converted through the diaphragm capsule and transmitted to the switch assembly, so the problem of energy inconsistency causedby energy transmission loss in the liquid expansion temperature control process and part deviation is solved, the one-to-one relation of energy transmission is achieved, precise temperature control over equipment is achieved, and better use prospects are brought.
Owner:安徽汇德电子科技有限公司
Hg standard gas generating device
ActiveCN102798558ALower the inner chamber temperatureSatisfy dilution requirementsPreparing sample for investigationTemperature control using electric meansTemperature controlEvaporation
The invention discloses a Hg standard gas generating device, comprising a Hg source evaporation cavity for storing the Hg source, a temperature control cavity surrounding the Hg source evaporation cavity, and a refrigeration cavity with a refrigeration function, wherein the temperature control cavity is arranged in the inner cavity of the refrigeration cavity, the inner cavities of above three cavities are isolated from each other, the inlet pipe and outlet pipe of the Hg source evaporation cavity are communicated with outer gas pipelines by passing through the temperature control cavity and the refrigeration cavity. According to the invention, the temperature control cavity of the Hg standard gas generating device is arranged in the inner cavity of the refrigeration cavity, thus the temperature of the temperature control cavity can be reduced to below the lowest temperature required by temperature control adjustment, the low temperature control is realized to meet the requirement of temperature control adjustment, the precision of temperature control adjustment in the Hg source evaporation cavity is raised, the requirement of Hg standard gas diluted concentration is satisfied, and simultaneously the application range of the Hg standard gas generating device is enlarged.
Owner:BEIJING SDL TECH
Temperature control system with ultrahigh temperature control precision
InactiveCN112965543ARealize precise temperature controlAvoid Serious Lag SituationsTemperatue controlMicrocomputerTemperature control
The invention relates to the technical field of precise temperature control, provides a temperature control system with ultrahigh temperature control precision, and aims to solve the problem that an existing temperature control system cannot realize precise temperature control. The temperature control system comprises a microcomputer processor, a circulating fluid system and a factory affair cooling water system, wherein the circulating fluid system comprises a circulating fluid pipeline, and a filter, a second heat exchange cold plate, a water tank and a circulating fluid temperature sensor which are sequentially installed on the circulating fluid pipeline, target circulating fluid needing precise temperature control is arranged in the circulating fluid pipeline, a water pump used for circulating flowing of the target circulating fluid is installed on the water tank, a heating wire I with the output frequency controlled by the microcomputer processor is arranged in the water tank, and the circulating fluid temperature sensor is used for collecting temperature signals of the target circulating fluid. The temperature control system is particularly suitable for an ultrahigh-precision temperature control system, and has high social use value and application prospect.
Owner:合肥亦威科技有限公司
Chocolate temperature regulation device
InactiveCN105053428AImprove qualityRealize precise temperature controlCocoaTemperature controlInlet valve
The invention discloses a chocolate temperature regulation device applied to a temperature regulation link in production of chocolate products. The chocolate temperature regulation device is used for performing temperature regulation, including three processes of primary cooling, secondary cooling and heating, on chocolate liquor. During the processes of primary cooling and secondary cooling, thermostatic water with temperature controlled precisely is adopted, and during the temperature regulation process, a PID algorithm is combined and a periodic pulse manner is adopted to control water inlet of water inlet ball valves. The chocolate temperature regulation device comprises a temperature controlled water mixer, a heating water inlet ball valve, a secondary cooling water inlet ball valve, a primary cooling water inlet ball valve, a heating temperature sensor, a secondary cooling temperature sensor, a primary cooling temperature sensor, a heating temperature regulation barrel, a secondary cooling temperature regulation barrel, a primary cooling temperature regulation barrel and a chocolate liquor inlet valve, as well as temperature sensor amplification A / D circuits, ball valve driving circuits and singlechip computation and control hardware and software corresponding to the parts.
Owner:SUZHOU UNIV OF SCI & TECH
Optical cabin environment monitoring device for high-power solid laser and control method thereof
PendingCN108418084ARealize real-time measurementFor precise controlMeasurement of fluid loss/gain rateLaser detailsHeat conductingHigh integrity
The invention discloses an optical cabin environment monitoring device for a high-power solid laser and a control method thereof. The monitoring device comprises: a cooling water circulating unit; anoptical crystal temperature control module, including a base fixed in an optical cabin and in which cooling water circulates, a heat-conducting carrier for mounting and fixing the optical crystal, a first temperature sensor arranged in the heat-conducting carrier, and a semiconductor refrigerating unit arranged between the heat-conducting carrier and the base; a cabin air quality monitoring module, including a temperature-humidity sensor arranged in the optical cabin; a controller in communication connection with the first sensor, the semiconductor refrigerating unit and the temperature-humidity sensor. Internal operation parameters of a cabin are measured in real time and precisely controlled in high integrity manner in response to the special environment in the optical cabin; the environmental conditions, such as temperature, humidity and cooling water state, are monitored in real time, and precise temperature control is provided for optical elements.
Owner:RES INST OF PHYSICAL & CHEM ENG OF NUCLEAR IND +1
Temperature control type radiation cold screen device for heat dissipation of light inlet of large-aperture optical remote sensor
PendingCN114509851AKeep the temperature stableRealize precise temperature controlMountingsPhysicsCold shield
Owner:BEIJING RES INST OF SPATIAL MECHANICAL & ELECTRICAL TECH
Novel-structure multifunctional ear-nose-throat clinical medicine spraying device
InactiveCN114344683AEasy to sprayEasy to observeEar treatmentMedical devicesTemperature controlNasal passages
The invention provides a novel-structure multifunctional ear-nose-throat clinical medicine spraying device, and relates to the technical field of medical instruments.The novel-structure multifunctional ear-nose-throat clinical medicine spraying device comprises a bottom rod, two sets of fixing sleeves are installed on the bottom rod, vertical rods are installed on the fixing sleeves, a fixing plate is installed at the upper ends of the vertical rods, through holes are formed in the middles of the fixing plate and a movable plate, and adjusting rods are installed in the through holes; a locking sleeve is mounted at the upper end of the adjusting rod, a coupling rod is mounted on the locking sleeve, a coupling seat is mounted on the coupling rod, the coupling seat is locked on the coupling rod through a bolt, and a rotating seat is coupled to the coupling seat; the illumination lamp is mounted on the clamping seat, so that the ear canal, the nasal cavity and the inside of the throat can be irradiated during use, and deep parts of the ear canal, the nasal cavity and the throat can be conveniently observed; voltage, current and power can be accurately controlled by rotating a knob on the voltage regulator, so that precise temperature control on the heating ring is realized, heat dissipated by the heating ring can heat liquid medicine in the connecting rod at the front end of the connecting cylinder, and the comfort of a patient is improved.
Owner:宋全法
A circulating medium heating and cooling semiconductor temperature control device
InactiveCN103294079BRealize precise temperature controlPrecise temperature control withoutEfficient regulation technologiesMachines using electric/magnetic effectsTemperature controlControl system
The invention belongs to the technical field of heating and refrigerating temperature control and particularly relates to a semi-conductor temperature control device for heating and refrigerating by using a circulating medium. The temperature control device is composed of a medium circulating system and a temperature control system. Components comprise a heat insulation container, the circulating medium, a circulating driving pump, a flow controller, a heat exchanging plate, a semi-conductor refrigerating plate, a heat / cold dissipating component, a digital display temperature control instrument and a direct-current power supply system. The device has the capacity for controlling external system temperature, can achieve program temperature rising and dropping operation and constant-temperature operation in a wide temperature interval, supports remote monitoring, and meets simple and complex temperature control requirements in scientific research and production. The flowing medium is used in a circulation mode, resources can be saved, noise is avoided during work, the device is easy to miniaturize, and good medium and low temperature control environments can be provided for scientific research and production in the fields of chemistry, chemical engineering, materials, food, medicine, electronics and the like.
Owner:FUDAN UNIV
Microchannel reaction evaluation method of pyromellitic dianhydride catalyst
PendingCN119375411ASimple processRealize precise temperature controlChemical analysis using catalysisComponent separationTemperature controlPtru catalyst
The invention provides a microchannel reaction evaluation method of a pyromellitic dianhydride catalyst. The microchannel reaction evaluation method comprises a feeding process, a vaporization process, a reaction process, a product separation process, a control process and an analysis process. Discharging a mixture of a reaction product and an unreacted reactant from the reaction tube, cooling, converting the reaction product and the unreacted durene from a gas phase into a liquid phase, separating in a gas-liquid separator, separating out gases such as air in a tail gas form, and feeding liquid into a liquid collecting tank; a reaction tube, a gas-liquid separator and a liquid collecting tank are sequentially arranged in a heat preservation box, the heat preservation box is divided into heat preservation sections with different temperatures according to different separation devices, the heat preservation sections can be integrated or arranged to be in a multi-body type according to needs, and the temperature of the reaction tube can be controlled in a multi-heat-preservation-box step-by-step temperature control mode and a heat preservation box, a heating belt and other combined temperature control modes. Accurate temperature control of reactants and reaction products is achieved, the reaction products can be efficiently collected, and guarantee is provided for accuracy of catalyst analysis and evaluation data.
Owner:CHINA NAT PETROLEUM CORP
Novel temperature control device and application method thereof
InactiveCN102968141BRealize precise temperature controlTo achieve the purpose of precise temperature controlTemperatue controlTemperature controlElectricity
The invention relates to the technical field of industrial automation temperature control, and in particular relates to a novel temperature control device and an application method thereof. The novel temperature control device comprises a programmed temperature-controlled meter, a control circuit and an input panel; at least two thermocouple ports are arranged on an auxiliary input module and are electrically connected with thermocouple elements; and a main output module is provided with at least two control output ports which are electrically connected with solid relays. The application method comprises the following steps that: the initial temperature of each time interval, the thermal treatment time after each time interval and a desired temperature in a thermal treatment process are set; and the temperature gradient of the time interval is calculated by a central processor, wherein the temperature gradient is equal to the desired temperature subtracted by the current temperature and divided by the thermal treatment time. A refrigeration control end is electrically connected with a cooling fan of a thermal treatment furnace; and an operator adjusts the heating state or the refrigeration state of the novel temperature control device through a heating / refrigeration switchover device, so that a temperature control defect of heating after excessive refrigeration is overcome.
Owner:DONGGUAN KELEE STEEL WIRE
Heat-pump water heater
ActiveCN104748375ARealize precise temperature controlPrecisely control the switchFluid heatersElectricityWater storage tank
The invention discloses a heat-pump water heater. The heat-pump water heater comprises a heat pump host, a water storage tank, a temperature controller sleeve, a temperature controller and an electric heater, wherein the water storage tank comprises an inner container and a shell arranged outside the inner container in a sleeving mode, and a first connector and a second connector are welded to the side wall of the inner container; the temperature controller sleeve is connected to the first connector and extends into the inner container; the temperature controller is inserted into the temperature controller sleeve to detect the water temperature in the inner container; the electric heater is connected to the second connector and extends into the inner container to heat water in the inner container, and the extending direction of the temperature controller is parallel to the extending direction of the electric heater. According to the heat-pump water heater, the temperature controller sleeve can extend into the water storage tank to make direct contact with the water so that the temperature controller can directly measure the water temperature in the inner container, and detection is accurate. In addition, the temperature controller is parallel to the electric heater, and therefore the temperature controller can accurately control on-off of the electric heater, and the water temperature is accurately controlled.
Owner:GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
Thermal control device for external bearing cylinder aircraft battery pack
ActiveCN104466305BReduce heat dissipationImprove adaptabilityCell temperature controlCosmonautic thermal protectionTemperature controlEngineering
The invention provides an outer bearing cylinder aircraft storage battery thermal control device which comprises a storage battery, an outer bearing cylinder and an instrument mounting plate, and also comprises an embedded heat pipe and a heat expanding plate, wherein the embedded heat pipe is connected with the instrument mounting plate and arranged on the bottom side of the storage battery, and the embedded heat pipe is used for warming the storage battery; the heat expanding plate is arranged on the instrument mounting plate and is used for gathering the heat of the storage battery and relieving heat dissipation; and the storage battery is connected with the instrument mounting plate by virtue of the heat expanding plate. The outer bearing cylinder aircraft storage battery thermal control device provided by the invention also comprises a temperature-controlled thermistor and an electric heater, wherein the temperature-controlled thermistor and the electric heater are pasted on the surface of the storage battery. According to the outer bearing cylinder aircraft storage battery thermal control device, the electric heater and the thermistor are arranged, so that the precise temperature control of a lithium-ion storage battery is realized.
Owner:SHANGHAI SATELLITE ENG INST
A mercury standard gas generator
ActiveCN102798558BRealize precise temperature controlPreparing sample for investigationTemperature control using electric meansTemperature controlEvaporation
The invention discloses a Hg standard gas generating device, comprising a Hg source evaporation cavity for storing the Hg source, a temperature control cavity surrounding the Hg source evaporation cavity, and a refrigeration cavity with a refrigeration function, wherein the temperature control cavity is arranged in the inner cavity of the refrigeration cavity, the inner cavities of above three cavities are isolated from each other, the inlet pipe and outlet pipe of the Hg source evaporation cavity are communicated with outer gas pipelines by passing through the temperature control cavity and the refrigeration cavity. According to the invention, the temperature control cavity of the Hg standard gas generating device is arranged in the inner cavity of the refrigeration cavity, thus the temperature of the temperature control cavity can be reduced to below the lowest temperature required by temperature control adjustment, the low temperature control is realized to meet the requirement of temperature control adjustment, the precision of temperature control adjustment in the Hg source evaporation cavity is raised, the requirement of Hg standard gas diluted concentration is satisfied, and simultaneously the application range of the Hg standard gas generating device is enlarged.
Owner:BEIJING SDL TECH
A test mold capable of realizing constant temperature at the bottom of the rutting specimen
InactiveCN103323300BRealize precise temperature controlDoes not affect temperaturePreparing sample for investigationTemperature controlEngineering
The invention discloses a test mold for realization of bottom constant temperature of a rutting test piece. The test mold comprises a temperature controlling bottom mold, a sealing cover plate (3) and test mold side plates (1), and the temperature controlling bottom mold, the sealing cover plate (3) and the test mold side plates (1) are arranged in bottom-up order. Through holes (12) of the temperature controlling bottom mold, through holes (13) of the sealing cover (3) and threaded hole (14) of the test mold side plates (1) are at the position which are matching in one-to-one correspondence, and are fixedly connected through inner hexagon screws. In the temperature controlling bottom mold, a water pipe loop is formed through constant temperature water channels (5) and the like. The test mold is very effective for realization of bottom constant temperature of the rutting test piece, has obvious technology advantages in design, and is beneficial for realization of precise temperature control of bottom surface of the rutting test piece. Constant temperature circulating water is in a closed environment, and does not affect the environment box temperature. The uniformity of the under bearing layer of the test piece is guaranteed. The test mold can maintain good entirety, does not affect molding of the rutting test piece, has simple structure and low cost, and is convenient to manufacture.
Owner:SHANXI PROVINCIAL RES INST OF COMM +2
Rotary equipment for accurate temperature control of thermosensitive substance and application method
ActiveCN113368793ARealize precise temperature controlEnhanced devolatilization processChemical/physical/physico-chemical processesTemperature controlPlastics engineering
The invention discloses rotary equipment for accurate temperature control of a thermosensitive substance and an application method. The rotary equipment comprises a shell, a motor, a liquid inlet, a liquid inlet cavity, a liquid outlet, a rotor, a gravity assisted heat pipe, a temperature control cavity, a gas inlet and a gas outlet. According to the invention, accurate temperature control of the thermosensitive substance can be realized by adjusting the type of the heat pipe and the medium, the accuracy can reach + / -0.1 DEG C, and the problems of scorching, deterioration, inactivation and the like of the thermosensitive substance caused by non-uniform material heating and uncontrollable temperature due to traditional electric heating or medium heat conduction are avoided. The device and the method have important significance in the fields of plastic engineering, bioengineering and biochemistry.
Owner:BEIJING UNIV OF CHEM TECH