Product
Patsnap Eureka
For R&D, Patsnap Eureka makes reading and utilizing patents & technical documents easy.
Patsnap Eureka AIR
Designed for self-driven R&D workflows. Generate viable solutions, solve complex R&D challenges, empower your innovation with AI.
Patsnap Eureka Materials
Designed for material experts only. Revolutionize your material R&D, from search, analyze, to developing new materials.
Feature
TechResearch
Generate reliable direction feasibility study reports for your R&D in just a few steps.
TechSeek
Discover and master advanced knowledge NOW. Basics, ideas, possibilities, all at once.
TechMind
As an expert in R&D Theories, TechMind can generates customized viable solutions instantly.
TechRisk
Analyze your overall solution with one click, know your potential R&D risks in advance.
TechMonitor
Get weekly tech updates, stay abreast of the latest tech innovations and key insights.
Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
62results about How to "Small temperature range" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Very low temperature refrigeration system with controlled cool down and warm up rates and long term heating capabilities
InactiveUS6843065B2Continuous operationSmall temperature rangeCompression machinesValve members for absorbing fluid energyRecovery periodEngineering
Heating / defrost constructions of a very low temperature refrigeration system having a defrost supply circuit and a defrost return bypass circuit optimizing the heating / defrost cycle, preventing overload (excessive pressure) of its refrigeration process and protecting components from damaging temperatures. The defrost cycle operates continuously, when required, and provides a shorter recovery period between heating / defrost and cooling operating modes. The rate of the temperature change during cool down or warm up is controlled in an open loop fashion by controlled refrigerant flow in bypass circuits.
Owner:EDWARDS VACUUM LLC
Control method of electronic expansion valve of indoor machine during refrigerating of convertible frequency air conditioner
ActiveCN102368009AEvaporating temperature fluctuations are reducedPrevent the opening from being too smallRefrigeration safety arrangementEngineeringElectronic expansion valve
The invention discloses a control method of an electronic expansion valve of an indoor machine during refrigerating of a convertible frequency air conditioner. The control method comprises the following steps of: 1, judging whether a microprocessor of the indoor machine (8) is in a heating standby state; 2, regulating the openness of the corresponding indoor electronic expansion valve (7) to reach 30-50 paces by the microprocessor; and 3, keeping the openness of the indoor electronic expansion valve (7) in the step 2 for 2-6min, regulating the openness of the corresponding indoor electronic expansion valve (7) by the microprocessor according to temperatures transmitted by a liquid pipe temperature sensor (9) and an indoor heat exchanger coil temperature sensor (11) every 15-35S in accordance with the following rules: the openness of the regulated indoor electronic expansion valve (7) is equal to the sum of the openness of the indoor electronic expansion valve (7) before the regulation and the openness of the regulation of the indoor electronic expansion valve (7), and the openness of the regulation of the indoor electronic expansion valve (7) is equal to (T3-Tmin-A)*E+delta(T3-Tmin)*F. Compared with the prior art, the control method disclosed by the invention has the characteristics of being suitable for a one-more air conditioner, being capable of effectively ensuring stable operation of the system and improving heating efficiency of the system, being low in energy consumption, and ensuring that the temperature change range of an indoor environment is smaller and the comfort degree of the indoor environment is higher.
Owner:NINGBO AUX ELECTRIC
M-w grade microwave power instrumentation system based on calorimetric method
ActiveCN101126780AEnhanced radio frequency high voltage tolerance limitSmall temperature rangeThermometers using electric/magnetic elementsElectrical testingElectricityWater flow
The utility model belongs to a microwave power measurement system, specifically discloses a megawatt grade impulse microwave power measurement system based on calorimetric method, wherein an outlet temperature pickup is arranged on the stream outlet of a water pipe and an electric heater is arranged in the water pipe; the electric heater is connected with a rated power electricity supply; a microwave detecting device is arranged on the inlet of a microwave power absorbing device; the water runs through the inwall water pipe of the power absorbing device and an inlet temperature pickup is arranged on the stream inlet of the water pipe; an NTC thermal resistance R3 of the inlet temperature pickup is connected with a equilibrium resistance R1, while an NTC thermal resistance R4 of the outlet temperature pickup is connected with a equilibrium resistance R2; the NTC thermal resistance R3, the NTC thermal resistance R4, the equilibrium resistance R1 and the equilibrium resistance R2 form a Winston bridge and the Winston bridge is connected with a differential amplifying circuit. The utility model can measure the multiplex pulse high-power microwave power in millimetric wave band and the measuring range can be one kilowatt up to two or three megawatt.
Owner:SOUTHWESTERN INST OF PHYSICS
Automatic control method based on water-cooled air conditioner internal unit
InactiveCN102878639ASlow responseStable operating environmentSpace heating and ventilation safety systemsLighting and heating apparatusAutomatic controlControl system
The invention discloses an automatic control method based on a water-cooled air conditioner internal unit. The automatic control method comprises the steps as follows: (1) initializing a control system; (2) setting initial values of an automatic loading system, wherein the initial values include an initial temperature value, an initial internal unit fan speed value and an initial solenoid valve opening value; (3) collecting the air outlet temperature in real time and detecting the internal unit fan speed and the solenoid valve opening degree; (4) judging if the air outlet temperature is equal to the initial temperature value, if so, going to the step (5), if not, adjusting the internal unit fan speed and the solenoid valve opening degree for an internal unit freezing water gap according to difference values, determining adjustment ranges, and adjusting until the air outlet temperature is equal to the initial temperature value; and (5) adjusting according to the step (4), drawing a curve chart and displaying through a display device. According to the automatic control method, the energy consumption for conditioning an equipment environment under the same heat load change in a water-cooled air conditioner unit is reduced, the proportion of energy consumption of air conditioner equipment in total energy consumption of a machine room is reduced, the PUE (Power Usage Efficiency) value of the machine room is reduced, and the energy-saving effect is improved.
Owner:DAWNING INFORMATION IND BEIJING
Method for preparing two-way memory nickel-titanium alloy for artificial sphincters through rapid solidification
ActiveCN103409663ASimple preparation processImprove performanceLigamentsMusclesTitanium alloyVacuum arc
The invention discloses a method for preparing a two-way memory nickel-titanium alloy for artificial sphincters through rapid solidification. The method comprises the following steps of: weighing high-purity nickel and high-purity titanium which are used as raw materials according to the condition that the atomic ratio of nickel atoms to titanium atoms is 51:49; putting and smelting the raw materials a nonconsumable vacuum arc smelting furnace, absorbing molten metal into a copper die cavity by virtue of a negative-pressure suction casting method carried out by a water-cooled copper die, and carrying out rapid solidification, thereby obtaining a material in the required shape; homogenizing the material; fixing the treated material in a semicircular die with curvature radius, deforming the material under constraint of the die to correspond to the curvature of the die, putting the material together with the die into a resistance furnace to undergo constraint aging at 350-500 DEG C which is maintained for 10-100 hours and quenching the material and the die in water, thus preparing the two-way memory nickel-titanium alloy material for the artificial sphincters. The two-way memory nickel-titanium alloy material has narrow temperature zone response, has a straight shape at normal temperatures of human bodies and has bigger deformation curvature after temperature raising, thus being suitable for serving as the function material of the artificial sphincters.
Owner:SOUTH CHINA UNIV OF TECH
Thermal field uniform distribution device for temperature and humidity environment testing equipment with uniformity of less than 0.5 degree centigrade grade
InactiveCN103480437ASmall temperature rangeEasy to disassembleHeating or cooling apparatusEnclosures/chambersRefrigeration compressorAir cycle
The invention discloses a thermal field uniform distribution device for temperature and humidity environment testing equipment with the uniformity of less than a 0.5 degree centigrade grade. The thermal field uniform distribution device comprises a box body and an equipment room arranged on the lower part of the box body, wherein an inner cavity of the box body is provided with a working room and a circulating air flue; the thermal field uniform distribution device further comprises an air circulating fan, a temperature and humidity sensor, an evaporator, a heater, a humidifier, a refrigeration compressor and a condenser; uniform distribution plates are arranged on the left and right sides as well as the top and the bottom of the box body; an air returning plate is arranged at the top of the box body; the inner wall of the box body is provided with a double-layer insulating layer composed of a polyurethane insulating layer and an ultrafine glass fiber insulating layer; the temperature and humidity sensor, the evaporator, the heater, the humidifier and the refrigeration compressor are controlled and connected by a PLC (Programmable Logic Controller) control system; the PLC control system is internally provided with a temperature control system for controlling the temperature uniformity to be 0.5 degree centigrade so as to control the temperature uniformity in the working room to be within 0.5 degree centigrade.
Owner:多禾试验设备(上海)有限公司
Concealed fire source detection system and detection method in goaf
InactiveCN104481515AImprove detection accuracySmall temperature rangeConstructionsTransmission systemsArea networkComputer module
The invention discloses a concealed fire source detection system in a goaf. The detection system comprises a plurality of wireless temperature sensor network node devices, CANs (Controller Area Network), a data receiving module and an upper computer, wherein the CANs are distributed in roadways, the data receiving module is arranged on the ground, the plurality of wireless temperature sensor network node devices are respectively hang on the CANs connected with the data receiving module through an optical cable and the data receiving module is connected with the upper module. During the coalmine production period, the plurality of wireless temperature sensor network node devices are arranged at regular intervals when a working surface is propelled, the CANs are arranged in the roadways at the two sides of the working surface, the plurality of wireless temperature sensor network node devices are respectively hung on the CANs, signal transmission optical cables are paved to the ground along the underground roadways and are connected with the ground data receiving module, and the data receiving module is connected with the upper computer of a monitoring chamber. The concealed fire source detection system provided by the invention has the advantages of improving the detection precision of the concealed fire source of the coal goaf, the problems that the temperature measurement response of the goaf can be solved, and the labor problems of the temperature measurement of the coal goaf can be solved.
Owner:CCTEG SHENYANG RES INST
Spectrum and light intensity collaborative optimization solar full-spectrum utilization device and method
InactiveCN111510050ARealize full spectrum utilizationRealize cascade utilizationSolar heating energyPV power plantsElectrical batteryFirst light
The invention provides a spectrum and light intensity collaborative optimization solar full-spectrum complementary utilization device. The device comprises a light condensation assembly for gatheringsunlight, a frequency division assembly which is located on a light condensation line of the light condensation assembly and divides an incident light source into a first light beam for the efficientutilization of a photovoltaic cell and a second light beam used according to conditions, a reactor which is positioned at or near the focal point of the light path of the second light beam separated by the frequency division assembly, is used for receiving the second light beam separated by the frequency division assembly, and is also used as a place for preparing a reaction product, and a photovoltaic cell which is positioned at or near the focus of the light path of the first light beam separated by the frequency division assembly, and is used for receiving the first light beam separated bythe frequency division assembly and generating power for utilization. The first light beam is converted into electric energy through the photovoltaic cell, and the remaining second light beam is converted into heat energy or other forms of energy through the reactor according to the reaction type, so that the full-spectrum utilization and gradient utilization of solar energy are realized.
Owner:TIANJIN UNIV
Self-circulation dry cleaning machine
InactiveCN101429722AImprove performanceRealize closed loop refluxSolvent-treatmentDry-cleaning apparatusSiphonSewage outfall
The invention discloses a self-circulating dry washer, and relates to a dry washer, in particular to a device for self-circulating dry washing by subcritical or combined supercritical fluid. A pumplessly driven self-circulating dry washer for the self-circulating dry washing by the subcritical or the combined supercritical fluid is provided, and is provided with a washing kettle, a siphon tube, a dirt kettle, a lift tube and a condenser, wherein the washing kettle is provided with an inlet of a pressure fluid source, the siphon tube is arranged between the washing kettle and the dirt kettle, the dirt kettle is provided with a heating device and a sewage outfall, the lift tube is arranged between the dirt kettle and the condenser, and a water return tube is arranged between an outlet of the condenser and the washing kettle.
Owner:XIAMEN UNIV
Solar simulator adopting heat-sink-free collimating mirror
InactiveCN104749089ASmall temperature rangeExtended service lifeWeather/light/corrosion resistanceEngineeringHeat sink
The invention relates to a solar simulator adopting a heat-sink-free collimating mirror. The solar simulator comprises a light source system, a main tank of a vacuum system and an auxiliary tank of the vacuum system, wherein a collimating mirror frame is arranged in the auxiliary tank of the vacuum system; a collimating mirror is arranged on the collimating mirror frame; the collimating mirror frame is connected with the inner wall of the auxiliary tank of the vacuum system; the outer wall of the auxiliary tank of the vacuum system is exposed in the air; and the collimating mirror is used for carrying out thermal conduction through the collimating mirror frame and the auxiliary tank of the vacuum system. The solar simulator provided by the invention is simple in structure; the temperature change range of the collimating mirror is small; the service life is long; the surface shape change of the collimating mirror is small; and the stability of the irradiation uniformity of a test surface when the solar simulator works for a long period of time is high.
Owner:BEIJING INST OF ENVIRONMENTAL FEATURES
Propylene epoxide-carbon dioxide copolymer and preparation method thereof
The invention discloses a propylene epoxide-carbon dioxide copolymer and a preparation method thereof. The preparation method of the propylene epoxide-carbon dioxide copolymer comprises the followingsteps: S1, adding propylene epoxide and a catalyst in a prepolymerization kettle and stirring; S2, feeding carbon dioxide gas in the prepolymerization kettle, and carrying out prepolymerization to obtain a propylene epoxide-carbon dioxide prepolymer; and S3, adding the propylene epoxide-carbon dioxide prepolymer in a polymerizing kettle, stirring, feeding carbon dioxide gas into the polymerizing kettle, and carrying out polymerization to obtain the propylene epoxide-carbon dioxide copolymer. According to the preparation method of the propylene epoxide-carbon dioxide copolymer, preparation of the propylene epoxide-carbon dioxide copolymer is divided into two processes including prepolymerization and polymerization, thus, the viscosities of products in the same reaction kettle are close to one another, stirring structures are easy to select, uniform stirring is implemented, and the stability of the products is improved favorably.
Owner:SEDIN NINGBO ENG
Non-isothermal forming device and technique for continuous fiber reinforced thermoplastic composite material
The invention relates to a non-isothermal forming device and technique for continuous fiber reinforced thermoplastic composite material. The non-isothermal forming device for the continuous fiber reinforced thermoplastic composite material comprises a male die assembly, a female die assembly, an edge pressing assembly, a supporting and guiding assembly, a demolding assembly and a temperature control assembly. The non-isothermal forming technique for the continuous fiber reinforced thermoplastic composite material comprises the following steps that a female die base and a male die are preheated, a blank is placed between a female die and an edge pressing ring, the blank, the female die and the edge pressing ring are put into an external heating device to be preheated to a target temperatureand then put into the female die base, the male die moves down to complete the deformation of the blank, heating inserts are then taken away, the liquid circulation is carried out to cool the dies and a workpiece, and finally, the dies are opened and the workpiece is taken out. According to the non-isothermal forming device and technique for the continuous fiber reinforced thermoplastic compositematerial, a traditional composite material hot-press forming technique is simplified, the equipment requirement is reduced, meanwhile, the high and low temperature circulation working conditions of aheating device are avoided, and the forming quality is guaranteed.
Owner:WUHAN UNIV OF TECH
High parameter steam drum intermediate reheating system for waste incineration power generation
PendingCN109505673AImprove cycle thermal efficiency and power generation efficiencySteady change in steam temperatureSteam useElectric generatorElectricity
Owner:SHENZHEN ENERGY ENVIRONMENT ENG
Method and device for monitoring an exhaust-gas turbocharger
InactiveUS8291752B2Inexpensive and reliableReliable and inexpensive methodElectrical controlEngine testingElectronic systemsTurbocharger
The present invention relates to a method and a device for monitoring an exhaust-gas turbocharger of an internal combustion engine. In order to create an inexpensive and also reliably operating method and a corresponding device for monitoring an exhaust-gas turbocharger, it is proposed that a sound transducer which is designed to record rotational-speed dependent turbocharger operating noise is provided, which sound transducer is connected to an electronic system for frequency analysis for the output of a turbocharger rotational speed signal.
Owner:CONTINENTAL AUTOMOTIVE GMBH
Novel assembly type green pedestrian overpass and using method thereof
PendingCN113481814AOptimize locationEasy to viewRoof coveringRoadwaysMechanical engineeringPedestrian overpass
The invention discloses a novel assembly type green pedestrian overpass which comprises a two-way separation type non-motor vehicle running layer, a green side viewing type pedestrian layer and an overpass upper and lower supporting assembly; the two-way separation type non-motor vehicle running layer is arranged on the overpass upper and lower supporting assembly; and the green side view type pedestrian layer is arranged on the two-way separation type non-motor vehicle running layer. The invention relates to the technical field of overpass, in particular to the novel assembly type green pedestrian overpass and the using method thereof. The design of double-layer passage, people-vehicle separation and the like is adopted, passage efficiency and convenience are improved on the premise of guaranteeing safety, temperature changes of the overbridge and a passage area are reduced through the water tank arranged in the interlayer, so that deformation of the steel structure is reduced, and the leisure and entertainment requirements of people are met through the viewing platform; impact force caused by non-frontal collision of vehicles is transferred through a rotary force unloading roller, damage to the vehicles and the bridge piers is reduced, and the problem that an existing common overbridge can only be used for pedestrians to pass is effectively solved.
Owner:HUNAN WANGXIN CONSTR GROUP +1
A hard branch cutting seedling culture method for metasequoia
InactiveCN106982691AImprove survival rateFast rootingCultivating equipmentsNutrient solutionObserved Survival
The invention provides a hard branch cutting seedling culture method for metasequoia. The method comprises the steps of (1) selecting annual peripheral side branches of metasequoia with a tree age of two years as cutting slips in the middle ten-day period of December every year, wherein the length of the cutting slips is 7-9cm; (2) binding 100 cutting slips into a bale, placing the bale into a room, performing wet sand storage and spraying a storage solution on wet sand every 7 days; (3) in the middle ten-day period of February of the second year, taking out the stored cutting slips, unbinding the cutting slips and spraying a nutrient solution on the cutting slips uniformly; (4) placing the cutting slips with sprayed nutrient solution in a room with a concentration of carbon dioxide of 2000ppm, illuminating the cutting slips with purple light for 20-30min and taking the cutting slips out for cuttage. The hard branch cutting seedling culture method for metasequoia can greatly increase the survival rate of metasequoia cutting slips, increase the rooting speed of metasequoia, and shorten a seedling culture cycle.
Owner:焦杰彪
Hair curler
The invention discloses a hair curler, which comprises an aluminum tube, wherein a heater is arranged in the aluminum tube; the aluminum tube is elastically and movably connected with a hair clip; the heater is wrapped by an aluminum plate; and the aluminum plate is in planar contact with the aluminum tube. The heater is arranged in the hair curler, a heating box is connected with the aluminum tube through planar contact, heat is transferred in a planar contact mode, and the efficiency is extremely high. When temperature of the heater is 280 DEG C, the temperature to the surface of the aluminum plate is about 250 DEG C. Temperature difference range between the heater and the aluminum plate is narrower, so that a function of difficulty damaging hair quality is achieved; and a temperature sensor is connected with the aluminum tube through direct contact. Temperature control is accurate and reliable, and temperature difference is reduced. Other accessories are not required between a plastic head and the aluminum tube, so that a production process is directly simplified, and the production cost is reduced.
Owner:ZHEJIANG PAITER ELECTRIC
Liquid cooling system of power battery and control method of liquid cooling system of power battery
PendingCN110544807AImprove insulation performanceImprove abilitiesSecondary cellsPower batteryExpansion tank
The invention discloses a liquid cooling system of a power battery, and the power battery comprises a battery cell arranged in a battery box. The liquid cooling system comprises an expansion water tank, a radiator and an external circulating water pump, wherein the radiator is connected with a liquid inlet and a liquid outlet of the battery box through two pipes; an internal circulating water pathis arranged in the battery box and is communicated with the two pipes connected with the radiator. The invention further provides a control method of the liquid cooling system. According to the abovetechnical scheme, the liquid cooling system is designed into two controls of internal circulating and external circulating of the battery system by taking the battery box as a reference object, the temperature is controlled by the outer circulating, and the temperature difference is controlled by the inner circulating, so that the temperature of the battery box does not exceed a preset value, thetemperature difference range among the battery cell can be reduced, the temperature consistency in the battery cell is better, the insulativity of the battery pack is improved, and the capacity and the service life of the battery are prolonged.
Owner:江西优特汽车技术有限公司
Photoetching equipment
InactiveCN1955842ASmall temperature rangeReduce the amount of variationSemiconductor/solid-state device manufacturingPhotomechanical exposure apparatusEngineeringPhotoresist
A photo etching device is for a substrate which having a first temperature scope when it is moved out from photoresist coating as well as displaying unit, setting air float transfer unit between photoresist coating as well as displaying unit and exposing unit, driving base plate to said exposing unit by air float transfer unit, making air ejected out from air float transfer unit be the second temperature scope being part of the first temperature scope.
Owner:CHUNGHWA PICTURE TUBES LTD
A composite thin film with both light-to-heat conversion and thermal energy storage and release functions and its preparation method
ActiveCN105602167BFunctionalSmall temperature rangeHeat-exchange elementsComposite filmThermal energy storage
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
Phase change heat storage floor radiation device capable of preventing overheating
InactiveCN105841214ALarge thermal resistanceReduce lossLighting and heating apparatusFlooring insulationsHeat transmissionHeat conducting
The invention relates to the technical field of floor heating systems and provides a phase change heat storage floor radiation device capable of preventing overheating. The phase change heat storage floor radiation device comprises a structural layer, a thermal insulating layer, a phase change heat storage layer, an overheating preventing layer and a floor layer, wherein the structural layer, the thermal insulating layer, the phase change heat storage layer, the overheating preventing layer and the floor layer are sequentially overlapped together from bottom to top; and the overheating preventing layer comprises hot bimetallic strips, and the hot bimetallic strips are distributed between the phase change heat storage layer and the floor layer from the left to the right at intervals. Through promoting the hot bimetallic strips heated to have curved deformation, the thermal resistance of the overheating preventing layer can be increased, heat losses are reduced, and indoor overheating is prevented. When temperature suffered by the hot bimetallic strips is lower than the lower threshold, through restoring the hot bimetallic strips and promoting the hot bimetallic strips to be in contact with flexible heat conducting strips, heat radiation is promoted, and heat transmission efficiency is increased. Therefore, the regulation of heat radiation can be realized, and the keeping of a constant indoor temperature range is facilitated. Besides, through storing excessive heat and releasing the excessive heat when needed, resource wastes can be avoided, indoor temperature fluctuation can be effectively prevented, the range of temperature differences is reduced, and the comfort of users is improved.
Owner:XINJIANG UNIVERSITY
Production of multifunctional gas-phase depositer and solid oxide fuel single cell
InactiveCN100462476CImprove efficiencyReduce energy consumptionVacuum evaporation coatingSputtering coatingGas phaseSource material
The present invention discloses a multifunctional vapor deposition device and the preparation process of solid oxide fuel cell. The invention features of the multifunctional vapor deposition device and different functional ceramic film. The multifunctional vapor deposition device integrates the functions of solid source chemical vapor deposition of beta-diketone-metal complex, aerosol chemical vapor deposition of the source solution, plasma enhancing, ultraviolet source activation and heating assisted by heat light source. The functional ceramic films use prepared porous supporting cathode or anode as lining, and prepare unit cells orderly in situ at 600-1000DEG C via vapor deposition technology or the combination of multiple technologies. The invention avoids distortion, cracks or residual stress occurring in multilayer co-sintering at high temperature. The layers of unit have easily controllable composition and microstructure. The source materials is low corrosiveness and easy to prepare, has a rich resource. The invention can be applied to the preparation of tubular solid oxide cell or planar cell.
Owner:UNIV OF SCI & TECH OF CHINA
M-w grade microwave power instrumentation system based on calorimetric method
ActiveCN100578236CEnhanced radio frequency high voltage tolerance limitSmall temperature rangeThermometers using electric/magnetic elementsElectrical testingElectricityWater flow
The utility model belongs to a microwave power measurement system, specifically discloses a megawatt grade impulse microwave power measurement system based on calorimetric method, wherein an outlet temperature pickup is arranged on the stream outlet of a water pipe and an electric heater is arranged in the water pipe; the electric heater is connected with a rated power electricity supply; a microwave detecting device is arranged on the inlet of a microwave power absorbing device; the water runs through the inwall water pipe of the power absorbing device and an inlet temperature pickup is arranged on the stream inlet of the water pipe; an NTC thermal resistance R3 of the inlet temperature pickup is connected with a equilibrium resistance R1, while an NTC thermal resistance R4 of the outlet temperature pickup is connected with a equilibrium resistance R2; the NTC thermal resistance R3, the NTC thermal resistance R4, the equilibrium resistance R1 and the equilibrium resistance R2 form a Winston bridge and the Winston bridge is connected with a differential amplifying circuit. The utility model can measure the multiplex pulse high-power microwave power in millimetric wave band and the measuring range can be one kilowatt up to two or three megawatt.
Owner:SOUTHWESTERN INST OF PHYSICS
Solution regeneration method and device based on variable cross-section hot compression
InactiveCN102600725AAchieve regenerationIncrease concentrationReverse osmosisGas phaseReverse osmosis
The invention provides a solution regeneration method and a device based on variable cross-section hot compression. The regeneration device comprises a cold / hot source liquid-phase heat exchanger, a cold / hot source gas-phase heat exchanger, a first cavity, a first piston, a piston rod, a second piston, a liquid inlet valve, a liquid discharging valve, a second cavity, a reverse osmosis membrane, a pressurizing module and a pressurizing valve. According to the solution regeneration method and the device disclosed by the invention, hot pressure is used as a driving force and high reverse osmosis pressure is obtained by the low hot pressure through variable compression area to supply high pressure to a solution side of the reverse osmosis membrane; and water in a diluted solution is penetrated out to increase the concentration of the solution, thus realizing regeneration of the solution. The invention provides feasible method and solution for regeneration of the solution, which have the advantages of simple structure, feasibility and high economical efficiency.
Owner:张晓琳
Semiconductor thermopile precise temperature control system for ship
PendingCN113677158APrecise control of power supply energyPrecise control of cooling water flowMachines using electric/magnetic effectsCooling/ventilation/heating modificationsCirculator pumpEngineering
The invention relates to a semiconductor thermopile precise temperature control system for a ship, which belongs to the technical field of refrigeration and man-machine environment engineering. The system comprises a semiconductor thermopile, a reservoir, a three-way valve, a heat exchanger, a liquid supply pump, a circulating pump, a cooling water pump and a load. A semiconductor thermopile is used as a cold and heat source, a natural cooling branch which is controlled by a three-way valve to be switched on and off is arranged, and the natural cold source is preferentially utilized to achieve energy conservation; the four working modes of thermoelectric refrigeration, natural cooling and thermoelectric refrigeration, natural cooling and semiconductor heating are achieved, and accurate control over the liquid supply temperature is achieved by accurately adjusting the refrigerating capacity or the heating capacity. The thermoelectric refrigeration and natural cooling combined thermal control system has the advantages that the semiconductor thermopile is long in service life, high in reliability, convenient in refrigeration or heating switching and small in size and mass, and the energy-saving performance of the thermoelectric refrigeration system is greatly improved due to the application of the natural cooling technology; the system is suitable for all-weather working environment temperature precision control of light, electricity, microwave and electromagnetic systems for ships and computer rooms.
Owner:安徽中科新源半导体科技有限公司
Bracket structure of battery energy storage device and battery energy storage device
PendingCN114388934ATemperature controlStable temperatureSecondary cellsCell component detailsThermodynamicsProcess engineering
The invention relates to a support structure of a battery energy storage device and the battery energy storage device. The support structure is used for installing a battery module, a containing cavity is formed in the support structure, and the containing cavity is filled with a phase change material. The support structure is provided with a containing cavity, and the containing cavity is filled with phase change materials. Through the phase change material filled in the accommodating cavity, heat can be absorbed from the battery module when the temperature of the battery module is relatively high, and heat can be released to the battery module when the temperature of the battery module is relatively low, so that the temperature of the battery module is maintained, and the working performance of the battery module is ensured to be safe. Compared with the prior art, the support structure of the battery energy storage device can more uniformly control the temperature of each battery module in the battery energy storage device, more space can be provided for mounting more battery modules, the energy consumption is less, the temperature change range of the battery modules is smaller, and the temperature of the battery modules is more stable.
Owner:ZHUHAI GUANGTONG AUTOMOBILE +1
Novel coating and system for monitoring abnormal heat generating of power transmission line and power transmission and transformation equipment
ActiveCN111855008AGood chemical stabilitySmall temperature rangeThermometer detailsColor measuring devicesAutomotive engineeringPhotopigment
The invention relates to a novel coating and system for monitoring abnormal heat generation of a power transmission line and power transmission and transformation equipment, wherein the coating is coated on the surface of a monitored object, the composition of the coating is Zn-5Al-nX, X is a pigment with a reversible temperature indicating function, and n is the component percentage of the pigment. The system comprises a coating, a color sensor, a signal receiver, a processor and an alarm, wherein the surface of a monitored object is coated with the coating, the color sensor is used for monitoring the color change of the coating, the signal receiver is used for receiving the output signal of the color sensor, the processor is used for receiving the output signal of the signal receiver, and the alarm is used for receiving the output signal of the processor. According to the invention, the novel coating is good in chemical stability, small in temperature indicating temperature level, long in service life, low in manufacturing cost and convenient to use; and with the the system, the workload is reduced, the unmanned aerial vehicle inspection time is saved, and the working efficiencyis greatly improved.
Owner:ELECTRIC POWER SCI & RES INST OF STATE GRID TIANJIN ELECTRIC POWER CO +2
A passively Q-switched laser and laser generation method thereof
ActiveCN104701719BIncrease temperatureEasy to controlLaser detailsTemperature responseRoom temperature
Owner:LASER TECH TIANJIN MAIMAN
White synchronization railway
InactiveCN101381976ASmall temperature rangeSolve the problem of thermal expansionRailsBallastwayReinforced concreteIsolation layer
The invention relates to a technology for white synchronous railroad, which uses a glabrous white heat isolation layer to be coated on a railroad. A sleeper, in particular a steel sleeper, is coated with the glabrous white heat isolation layer, thereby substantially shortening the range of temperature change of the railroad, realizing the synchronous thermal expansion between the railroad and a roadbed, just like the synchronous thermal expansion between steel reinforcement and concrete in reinforced concrete, and completely solving the problem of the thermal expansion of the railroad.
Owner:张世俊
Preheating type upper heating steel wire galvanizing furnace
ActiveCN104404422BShorten the lengthIncrease productivityHot-dipping/immersion processesAir preheaterBoiler furnace
The invention relates to a preheating-type upwardly-heating steel wire zinc-plating furnace. The preheating-type upwardly-heating steel wire zinc-plating furnace comprises a zinc furnace, a zinc pot and a water-cooled wire guiding mechanism, wherein a wire shouldering roller is arranged above the zinc pot and at the position close to the front end of the zinc furnace; a press roll is arranged above the zinc pot and at the position close to the back end of the zinc furnace; the preheating-type upwardly-heating steel wire zinc-plating furnace is characterized in that a zinc pot upwardly-heating device is arranged above the zinc furnace; a steel wire preheating system is arranged in front of the zinc furnace; the steel wire preheating system comprises steel wire preheating box furnaces, an air preheater device and the zinc pot upwardly-heating device; two steel wire preheating box furnaces are symmetrically arranged left and right; the air preheater device is arranged between the two steel wire preheating box furnaces; a flue gas inlet of the air preheater device is communicated with the front end of a flame path of the zinc pot upwardly-heating device through a first flue gas heat-preserving connection pipeline; a flue gas outlet of the air preheater device is communicated with flue gas inlets of preheating flame paths of the steel wire preheating box furnaces through a second flue gas heat-preserving connection pipeline. The preheating-type upwardly-heating steel wire zinc-plating furnace can prolong the service life of the zinc pot, save energy and effectively improve the zinc-plating quality and the zinc-plating speed.
Owner:WUXI XINKE METALLURGICAL EQUIP
Who we serve
- R&D Engineer
- R&D Manager
- IP Professional
Why Patsnap Eureka
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com