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35 results about "Liquid temperature" patented technology
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Water is a liquid at the temperatures and pressures that are most adequate for life. Specifically, at a standard pressure of 1 atm, water is a liquid between 0 and 100 °C (32 and 212 °F). Increasing the pressure slightly lowers the melting point, which is about −5 °C (23 °F) at 600 atm and −22 °C (−8 °F) at 2100 atm.
Infusion heating method, device and equipment based on PID (Proportion Integration Differentiation) adjustment and storage medium
The invention belongs to the technical field of infusion heating, and discloses an infusion heating method, device and equipment based on PID (Proportion Integration Differentiation) adjustment and a storage medium, and the method comprises the following steps: constructing a temperature conversion model of the temperature of a sensor at a liquid outlet end and the temperature of transmitted liquid; heating the liquid at the liquid outlet end to a pre-heating temperature according to the target heating rate and a temperature conversion model; acquiring a first mapping relation table, and heating the liquid at the liquid outlet end to a target temperature according to the first mapping relation table and a PID algorithm; and a second mapping relation table is obtained, the input condition of the liquid inlet end position and the temperature of the middle position are monitored, and PID adjustment is conducted on the liquid temperature of the liquid outlet end or abnormity reminding is conducted on a user through the second mapping relation table and the temperature conversion model. The heating to the specified temperature is ensured, the working condition change in the heating process can be fed back and processed according to related parameters, the accuracy and stability of the heating process are ensured, the body temperature maintenance of a patient is facilitated, and the sudden change situation occurring in the midway of the steady state can be timely processed.
Owner:APOLLO SCI APP JIANGSU
Retractable multi-point temperature measuring device with double temperature measuring lines
The utility model discloses a retractable multi-point temperature measuring device with double temperature measuring lines, which is provided with a protective shell, a grip is mounted on the side surface of the shell, and a bolt penetrates through the middle section of the inner surface of the shell; comprising a bearing penetrating through the outer surface of the shell, the outer surface of the bearing is connected with a winding roller, the winding roller is connected to a bolt in a threaded mode, and the side face of the outer surface of the winding roller is connected with a cover plate. The retractable multi-point temperature measuring device with the double temperature measuring lines is provided with a short temperature measuring line and a long temperature measuring line, and the short temperature measuring line adopts a fixed length design and is arranged on one side surface of a temperature measuring instrument shell; the long temperature measuring line adopts a unique structure similar to a measuring tape or a reel and mainly comprises a winding roller for accommodating the long temperature measuring line, and when the temperature of the liquid at a deep position needs to be measured, an operator can release the long temperature measuring line to detect the temperature of the liquid at different depths, so that the flexibility of measuring the temperature of the liquid at different depths by the equipment is effectively enhanced.
Owner:QINGXIAN QIHUI MEASUREMENT INSTR CO LTD
Facial pressure ulcer prevention device
The present application relates to the technical field of medical devices, in particular to a face pressure sore prevention device. The device comprises a shell, a liquid storage frame, a monitoring mechanism and the like. A circular hole is formed on the top of the shell. The shell is provided with the liquid storage frame. The liquid storage frame is provided with the monitoring mechanism. The monitoring mechanism is used for monitoring the temperature of the liquid in the liquid storage frame. The monitoring mechanism, the heating pipe and the refrigeration pipe can be used to monitor the water temperature in the liquid storage frame in real time and automatically adjust the heating or refrigeration. The liquid in the input water bag can be maintained in a preset comfortable temperature range. The defects of the prior art that the temperature of the air bag is easily affected by the environment are overcome. The discomfort of the patient's face caused by the overcooling or overheating of the temperature is avoided. The constant warm support can significantly improve the comfort of the patient in the long time prone position treatment, promote the local blood circulation of the face, enhance the tissue tolerance, and further reduce the risk of pressure injury on the basis of dynamic decompression.
Owner:BAOJI TRADITIONAL CHINESE MEDICINE HOSPITAL
A device for detecting the compressive strength of concrete in a low-temperature, high-salt-mist environment
PendingCN122108912AWeather/light/corrosion resistanceMaterial strength using tensile/compressive forcesAir cycleCompressive resistance
The application discloses a device for detecting the compressive strength of concrete under low temperature and high salt fog environment, and relates to the technical field of concrete durability test equipment. The device comprises a shell, an opening and closing device, a liquid adding device, a liquid level sensor, a liquid discharging valve, a liquid temperature sensor, a liquid concentration sensor, a spraying device, a temperature and humidity sensor, a fog concentrator, an air supply device, a heat leading device and a cold leading device connected to the air supply device, a base frame and a compressive strength detector. The device has the advantages that full-automatic closed-loop control can be realized on the liquid level, concentration, temperature of the soaking liquid, air temperature and humidity, and salt fog concentration, the test conditions are stable and repeatable, the multi-component pipes and nozzles of the spraying device are uniformly distributed, natural diffusion and settlement of the salt fog are realized, direct spraying is avoided, the air supply device cooperates with the heat leading device and the cold leading device, uniform heating and cooling are realized through air circulation, direct cold and hot collision is avoided, and the complete deterioration process of "salt fog wetting, low temperature freezing and dry concentration" can be accurately reproduced.
Owner:QUANZHOU SHIQING CONSTRUCTION ENGINEERING INSPECTION CO LTD
Buffer device for discharging high-temperature and high-pressure fluid
PendingCN121273935AValve members for heating/coolingValve members for absorbing fluid energyThermodynamicsLiquid temperature
The invention provides a buffer device for high-temperature and high-pressure fluid discharge, and relates to the technical field of fluid treatment.The device comprises a buffer main body, a cavity is formed in the buffer main body, and pre-stored water is arranged at the bottom of the buffer main body; the discharge pipe is used for guiding fluid into the cavity; the cooling water spraying pipe is provided with a spraying opening and is arranged around the inner wall of the cavity; the liquid discharging assembly is used for discharging liquid after the liquid is cooled to a safe temperature; the exhaust assembly comprises a demister and a gas discharge valve, the demister is used for removing moisture in the gas, and the gas discharge valve is used for discharging the demisted gas; the pressure adjusting assembly is used for releasing excess gas in an overpressure state; the first temperature measuring point is used for monitoring the initial temperature of fluid entering the cavity; the second temperature measuring point is used for monitoring the liquid temperature to judge whether a safe discharge condition is met or not; the pressure measuring point is used for monitoring the pressure in the cavity; and the liquid level measuring point is used for monitoring the liquid level change in the cavity. The safety and stability in the high-temperature and high-pressure fluid discharging process are improved.
Owner:CHINA NATIONAL OFFSHORE OIL (CHINA) CO LTD +1
Steel ball quenching device
ActiveCN224280376UExtend exercise timeincrease distanceFurnace typesProcess efficiency improvementLiquid temperatureSteel ball
The utility model discloses a steel ball quenching device. The steel ball quenching device comprises a base, a ball flow guide mechanism and a collecting box, the base is provided with a quenching bath, and an opening of the quenching bath is upward; the ball flow guide mechanism is arranged on the base and comprises a flow guide frame, the flow guide frame is provided with a flow guide groove, the flow guide groove is located in the quenching pool and is obliquely arranged downwards in the length direction, the lower end of the flow guide groove is provided with a ball outlet, and the flow guide groove is provided with a ball inlet; the collecting box is arranged on the base, and the balls in the flow guide groove can enter the collecting box through the ball outlet. As the diversion trench is positioned in the quenching bath, the steel ball can roll for a longer distance in the quenching bath, the movement duration and distance of the steel ball in the quenching bath are improved, and the quenching uniformity is improved; and the steel balls enter the collecting box after more sufficient heat dissipation, heat is easily dispersed to all positions of the quenching pool, the risk that the temperature of quenching liquid near the collecting box is too high is avoided, and the quenching effect is improved.
Owner:ZHONGSHAN QIANRUN PRECISION STEEL BALL MFG CO LTD
Method for determining water-mixing temperature-raising parameters of oil well borehole
The present application relates to the technical field of oil production engineering, and particularly relates to a method for determining water-mixing and temperature-raising parameters of an oil well wellbore, which aims to solve the technical problem that the water-mixing and temperature-raising process cannot determine the water-mixing amount and the mixed water temperature in the related art. The method for determining water-mixing and temperature-raising parameters of an oil well wellbore comprises the following steps: S1: finding out a relationship function corresponding to the wellhead produced liquid temperature and the produced liquid amount of an oil well in different seasons; S2: according to the produced liquid amount Q1 of a target oil well, selecting a corresponding relationship function to calculate the original produced liquid temperature T1 of the target oil well; S3: setting a new produced liquid temperature T0 of the target oil well, and according to an energy conservation calculation formula Q2T2=k(Q1+Q2)T0-Q1T1, calculating the required water-mixing amount Q2 and the water-mixing temperature T2 of the target oil well, wherein T0 is greater than the crude oil freezing point of the target oil well, and the coefficient k is 0.7-1. According to the production basic data of the oil well, the method simulates and calculates the required water-mixing amount and the water-mixing temperature of the wellbore water-mixing and temperature-raising process, and provides data guidance for the wellbore water-mixing process.
Owner:PETROCHINA CO LTD
Temperature field control device suitable for ultralow thermal expansion coefficient measurement
The invention discloses a temperature field control device suitable for ultralow thermal expansion coefficient measurement, which comprises a thermostatic bath, a liquid conveying pipeline, a heating cavity, a temperature control system and a temperature measurement system, and is characterized in that the heating cavity is arranged in a vacuum environment, and an ultralow thermal expansion sample is placed in the heating cavity; a heating wall is arranged on the inner wall of the heating cavity and is of a three-layer circulation structure. The thermostatic bath is connected with the heating cavity through a liquid conveying pipeline and comprises a first thermostatic bath body and a second thermostatic bath body, the first thermostatic bath body provides thermostatic liquid and enters the outermost shielding layer, the second thermostatic bath body provides liquid with adjustable temperature of the temperature adjusting layer, and the temperature measuring system is used for collecting temperature changes of all positions of a sample. The temperature control system is used for controlling the temperature of liquid in the thermostatic bath to adjust the temperature field, and the requirement for uncertainty of the linear expansion coefficient measurement standard is met. According to the invention, the temperature measurement standard uncertainty and the test requirement during the ultralow thermal expansion test can be met, and uniform dynamic control and precise measurement of the temperature of the sample in the vacuum environment are realized.
Owner:BEIJING CHANGCHENG INST OF METROLOGY & MEASUREMENT AVIATION IND CORP OF CHINA +1
Flow regulating valve
The utility model discloses a flow regulating valve, include: valve body, be equipped with the water pass hole's check element and the valve rod of wearing in the water pass hole, be equipped with the limit step and the valve core on the valve rod, be equipped with the water pass channel on the flow regulating valve, be equipped with the temperature sensing spring of the direction of promoting the valve rod to the water outlet cavity in the valve body, and the elastic coefficient of temperature sensing spring increases with temperature rise, and the check element can move along the axial between limit step and the valve core. The utility model discloses through the cooperation of the slidable check element and the temperature sensing spring that can reduce the elastic coefficient according to the reduction of temperature, realizes the automatic regulation of flow regulating valve opening degree, makes flow regulating valve when two kinds of circumstances of hydraulic pressure increase and liquid temperature reduction, can automatically reduce the liquid flow of flowing out flow regulating valve, when the downstream installation of flow regulating valve has instant heating device, can reduce the liquid flow of entering instant heating device, to guarantee that instant heating device can heat the liquid that flows to the set temperature, improves the use experience of user.
Owner:HONGYANG HOME APPLIANCES
Active thermal insulation control method under freezing method construction condition
The invention relates to the technical field of coal mine shaft construction, in particular to an active thermal insulation control method under the freezing method construction condition. Comprising freezing holes formed in the periphery of a shaft, heat insulation holes and temperature measurement holes located between a derrick foundation and the freezing holes, a heat preservation plate pasted outside the derrick foundation, and a temperature, pressure and deformation monitoring system. The method comprises the following steps: starting independent liquid circulation of a freezing hole and a thermal insulation hole, starting a monitoring system, and collecting multi-source real-time data such as temperature, pressure and deformation in real time; inputting the data into a preset data fusion and intelligent prediction control system, and predicting the frost heaving deformation trend of the future derrick foundation through a built-in prediction model; and according to the prediction result, the liquid inlet temperature and flow of the thermal insulation hole are dynamically adjusted. According to the invention, the conversion from passive thermal insulation to active prediction and intelligent regulation is realized, the safety of the derrick foundation can be effectively protected, and the frost heaving hazard is reduced.
Owner:HUAI-ZHEJIANG COAL & ELECTRICITY CO LTD GUBEI COAL MINE
Single-phase immersion liquid cooling temperature stratification evaluation and perturbation liquid injection equalization control system
ActiveCN120835512BEnergy efficient computingCooling/ventilation/heating modificationsLiquid temperatureTemperature stratification
The application discloses a single-phase immersion liquid cooling temperature stratification evaluation and disturbance liquid injection equalization control system and relates to the technical field of liquid cooling circulation structures.The single-phase immersion liquid cooling temperature stratification evaluation and disturbance liquid injection equalization control system comprises a reflux liquid multi-point liquid inlet dynamic monitoring module, which collects liquid cooling branch state data; an immersion liquid temperature stratification monitoring module, which evaluates the thermal distribution unevenness degree and adjusts a disturbance liquid injection strategy; a liquid flow distribution equalization evaluation module, which analyzes the liquid flow distribution and heat dissipation matching degree and optimizes a flow direction coverage strategy; a cooling path dynamic determination and switching module, which evaluates the cooling state and thermal load change and regulates and controls a circulation path; and an immersion liquid cooling cabinet local disturbance self-balancing regulation and control module, which guides local convection and adjusts a disturbance direction.The application solves the problem that, after the reflux of the cooling liquid branch, the cold and hot layers are seriously stacked, local heat accumulation in the immersion liquid cooling cabinet is caused, and the chip heat dissipation efficiency is affected.
Owner:TIANJIN TIER TECHNOLOGY CO LTD
Self-adaptive intelligent disinfectant adding device for water treatment system
PendingCN121247996AWater treatment parameter controlShaking/oscillating/vibrating mixersWater treatment systemLiquid temperature
The invention discloses a self-adaptive intelligent disinfectant adding device for a water treatment system, which belongs to the technical field of water treatment and comprises a disinfection tank, a liquid inlet pipe positioned on the side edge of the disinfection tank and a liquid discharge pipe arranged at the bottom end of the disinfection tank. The compensation adding mechanism is arranged at the top of the disinfection tank, the first guide pipe and the second guide pipe are in sliding sealing fit, reliable sealing is achieved through port dislocation in the initial state, unexpected leakage of a disinfectant is avoided, a heat conduction rod penetrates into the position below the liquid level of the disinfection tank, and liquid temperature changes can be captured in real time; the internal thread pipe can be driven to rotate without extra power by means of the material characteristic that the spiral bimetallic strip deforms along with temperature, then the second guide pipe is controlled to stably ascend and descend along the first guide pipe through meshing transmission with the screw rod, and when the temperature difference value reaches a set threshold value, the internal thread pipe is driven to rotate. The first port and the second port are automatically communicated, so that the disinfectant can be instantly compensated and added, and the disinfection effect is ensured to always meet the expected standard.
Owner:INNER MONGOLIA DONGYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
A method and apparatus for liquid temperature control, temperature control device
ActiveCN116430928BAuxillary controllers with auxillary heating devicesTemperature controlLiquid temperature
The application discloses a liquid temperature control method and device, and a temperature control equipment. The method comprises the following steps: determining a current actual temperature of a target liquid and a current sensing temperature of the target liquid during boiling of the target liquid; determining a current temperature difference value of the target liquid according to the current actual temperature of the target liquid and the current sensing temperature of the target liquid; determining a temperature threshold corresponding to the current actual temperature according to the current temperature difference value of the target liquid and a target temperature of the target liquid; determining a control parameter corresponding to a current temperature control operation of the target liquid according to the current actual temperature of the target liquid and the temperature threshold corresponding to the current actual temperature; and performing the current temperature control operation on the target liquid according to the control parameter corresponding to the current temperature control operation of the target liquid. It can be seen that the application can reduce the temperature deviation of the heating liquid process, and is beneficial to improving the control accuracy and the control efficiency of the liquid temperature.
Owner:FOSHAN XIAOXIONG KITCHEN APPLIANCE CO LTD
Real-time closed-cup flash point prediction method based on trace distillation range measuring device
The invention provides a real-time closed-cup flash point prediction method based on a trace distillation range measuring device, and relates to the technical field of distillation ranges and flash point tests.The method comprises the following steps that a preorder distillation range temperature set is obtained in real time, and the preorder distillation range temperature set comprises initial steam temperatures corresponding to a plurality of preset recovery volume percentage nodes; the steam pressure and the liquid temperature are obtained in real time to obtain the steam pressure change rate and the liquid temperature change gradient, and then the heat capacity disturbance factor of the device is calculated; correcting each initial steam temperature in the preorder distillation range temperature group in real time by using a heat capacity disturbance factor to obtain a corresponding first corrected steam temperature; and calculating and predicting the closed-cup flash point through linear weighting calculation of each first corrected steam temperature based on a weight distribution relation pre-established by the test steam temperature of the preset recovery volume percentage node and the linear correlation characteristic of the closed-cup flash point. According to the method, the closed-cup flash point is predicted while the distillation range is measured, and time and samples are remarkably saved.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
Apparatus for indicating temperature of a liquid inside a bottle
ActiveUS12510411B2Thermometer detailsThermometers using mean/integrated valuesLiquid temperatureBottle
An apparatus for indicating temperature of a liquid inside a bottle includes a housing having an upper surface configured to support a bottle and a base surface configured to rest on a structure. The apparatus further includes a non-contact thermometer located inside the housing and one or more indicators to display or provide an indication of a temperature state of the bottle. The apparatus also includes a processor. The non-contact thermometer senses temperature of a bottle placed on the upper surface of the housing and sends signals relating to the temperature to the processor, wherein the processor is configured to alert a user if there is an increase in temperature state of the bottle.
Owner:SEWELL INSTRUMENTS PTY LTD
Device and method for automatically testing disintegration of solidified muck under water-heat-force coupling
The invention relates to the field of geotechnical engineering, and discloses a device and a method for automatically testing disintegration of solidified muck under water-heat-force coupling. The device comprises a test container, a transmission and loading assembly, a temperature control system, a dynamic flow field simulation assembly, an image acquisition assembly and a computer processing system, and the coupling effect of a water field, a thermal field and a force field is realized in the same test space by cooperatively regulating and controlling the disintegration liquid temperature, the water flow shearing condition and the sample immersion state. According to the method, the soaking disintegration test is performed on the solidified muck sample based on the device, mechanical response data and image information are synchronously acquired in the test process, and the disintegration stabilization time is automatically judged according to the change condition of the disintegration amount along with time, so that automatic control and multi-parameter synchronous acquisition of the disintegration test process are realized; and an objective and reliable test means is provided for evaluating the water stability of the solidified muck.
Owner:POWERCHINA HUADONG ENG CORP LTD
Extraction system capable of monitoring temperature of extract liquor in real time
The invention discloses an extraction system capable of monitoring the temperature of extract liquor in real time, and belongs to the technical field of chemical experiment equipment. The system solves the problems of large deviation and inaccuracy caused by the fact that an existing Soxhlet extraction device adopts a single-neck round-bottom flask and cannot directly monitor the temperature of extract liquor and only indirect temperature measurement is adopted. According to the technical scheme, a multi-neck round-bottom flask is adopted to replace a single-neck flask, a first neck part of the multi-neck round-bottom flask is connected with an extraction tube, a second neck part is provided with a temperature sensor through a ground port, and a sensing part of the sensor extends into the flask and is immersed in an extraction solution. According to the system, thermal resistance of a bottle wall is avoided through direct contact type temperature measurement, accurate real-time monitoring is realized, and the system is used for accurately controlling heating, stabilizing temperature and improving efficiency and reliability in a chemical extraction experiment.
Owner:SERICULTURE TECH PROMOTION STATION OF GUANGXI ZHUANG AUTONOMOUS REGION
Double diaphragm valve linkage control method for controlling temperature of material liquid in feeding tank
The application provides a kind of double thin film valve linkage control's feed tank liquid temperature control method, comprising: the sealing interlayer of feed tank is connected with heating steam pipeline and heat dissipation steam pipeline, the first steam film valve is arranged in the heating steam pipeline, and the second steam film valve is arranged in the heat dissipation steam pipeline;Determine whether there is liquid in the feed tank, if so, obtain the actual liquid weight and actual liquid temperature in the tank;Establish the PID liquid temperature model of feed tank, process standard liquid temperature and the actual liquid temperature are regarded as the input value of the PID liquid temperature model and are adjusted by PID, and the intermediate control variable CV is used as output value;According to the intermediate control variable, the opening of the first steam film valve and / or the second steam film valve is adjusted, and the temperature of the liquid in the feed tank is controlled.The application can realize the rapid heating and rapid heat dissipation of the feed tank, and improve the stability and accuracy of the liquid temperature control.
Owner:CHINA TOBACCO ZHEJIANG IND CO LTD
Temperature control method and device, equipment and storage medium
The invention relates to the technical field of temperature control, and discloses a temperature control method, device and equipment and a storage medium, the method is applied to the temperature control equipment connected with a heating strip, and the method comprises the steps that the current temperature of the heating strip at the current moment is collected, and a preset target temperature is obtained; based on the current temperature and the target temperature, the current heating control quantity is obtained through an incremental PID control algorithm; and according to the current heating control quantity, the heating power of the heating strip is adjusted so that the heating strip can conduct temperature control according to the heating power. By introducing the incremental PID algorithm, the heating power can be adjusted in advance according to the real-time temperature difference and the change trend thereof, and temperature overshoot is effectively inhibited, so that a patient can directly obtain more stable and safer liquid temperature guarantee when receiving blood transfusion or infusion treatment, and the treatment comfort and the equipment safety are improved.
Owner:SHENZHEN HAWK OPTICAL ELECTRONICS INSTR
Liquid temperature detection method and temperature detection equipment
PendingCN121323828AThermometer detailsCell temperature controlLiquid temperatureComputational physics
The invention provides a liquid temperature detection method and temperature detection equipment, and the method comprises the steps: obtaining the temperature data of K sampling moments before the current sampling moment, and K is a positive integer greater than 1; performing filtering processing on the temperature data at the K sampling moments to obtain a filtering output value at the current sampling moment; decomposing the temperature data at the K sampling moments to obtain a trend prediction value used for reflecting the temperature change trend at the current sampling moment; and carrying out fusion processing on the filtering output value and the trend prediction value to obtain a target temperature at the current sampling moment. In the application, the filtering output value of the current sampling moment is obtained through filtering processing, the trend prediction value of the current sampling moment is obtained through trend decomposition, and fusion processing is performed on the filtering output value and the trend prediction value to obtain the target temperature of the current sampling moment. The target temperature can accurately reflect the real-time performance and tendency of the temperature of the cooling liquid.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +2
A large-load constant-temperature liquid supply cooling device and a temperature control method
ActiveCN115604996BConvenient temperature controleasy to operateCooling/ventilation/heating modificationsTemperature controlFlow transducer
The application discloses a kind of big load constant temperature liquid supply cooling device and temperature control method, including cold storage, temperature control, liquid supply three big units, cold storage, temperature control, liquid supply three form multiple circulation loops, independent and synergistic each other.Supply liquid unit in cooling liquid absorption load heat, with low-temperature liquid in cold storage unit in heat exchanger of temperature control unit heat exchange, according to the feedback of temperature sensor, flow sensor, through the frequency conversion of temperature control circulating pump in temperature control unit and the opening degree adjustment function of electric two-way regulating valve and electric three-way regulating valve, the flow of cold and hot fluid into heat exchanger is automatically adjusted, so that the temperature of cooling liquid in buffer tank is maintained in the supply liquid temperature range, then the effect of continuously cooling and cooling for heat load can be achieved.The application proposes a new temperature control strategy and designs a constant temperature liquid supply device, which solves the problems of unstable temperature control and insufficient liquid supply in the cooling process of existing liquid cooling system for large load equipment, and has great practical value.
Owner:STATE OWNED HONGLIN MASCH FACTORY
Humidity calibration device, system and method
PendingCN121899186AMaterial heat developmentGas analyser calibrationTemperature controlReal time algorithm
The invention relates to a humidity calibration device, calibration system and calibration method, and belongs to the technical field of humidity sensor calibration detection. The temperature of liquid and the temperature of gas in a closed cavity are monitored synchronously, and real-time algorithm compensation is carried out by using an original humidity correction table, so that measurement errors caused by gas-liquid temperature difference are effectively overcome; the system integrates a drying agent, various saturated salt solutions and water, realizes 0-100% full-range humidity coverage, drives fan blades to accelerate balance through an external motor, simulates a real ventilation environment, and finally improves the humidity calibration precision under the condition that external temperature control is not needed.
Owner:AEROSPACE NEWSKY TECHNOLOGY CO LTD
Iso-density curve-based temperature and pressure decoupling control method and related device
The application discloses a temperature-pressure decoupling control method based on an isodensity curve and related equipment, and the method comprises the following steps: after determining a target cabin for temperature-pressure control, obtaining an initial state and a target state of the target cabin; judging whether the initial state and the target state are located in the same isodensity curve range based on an isodensity temperature-pressure decoupling control graph of the target cabin; if not, calculating at least two intermediate target states by using the change relationship between the temperature and the pressure under the quantitative premise based on the target temperature and the target pressure in the target state; and performing temperature and pressure control on the liquid in the target cabin based on the at least two intermediate target states, so as to adjust the liquid from the initial state to the target state. By using the isodensity temperature-pressure decoupling control graph of the liquid, the temperature and the pressure of the liquid in the target cabin are adjusted by using the mode of separately controlling the temperature and the pressure, so as to solve the problem that it is difficult to simultaneously and accurately control the temperature and the pressure in the existing high-temperature and high-pressure environment.
Owner:SHENZHEN UNIV
Cold supply system and control method thereof
PendingCN120947170AMechanical apparatusLighting and heating apparatusThermodynamicsLiquid temperature
The invention discloses a cold supply system and a control method thereof. The cold supply system comprises a water distribution device, a water collection device and a cold supply unit. The multiple cooling units are installed between the water distribution device and the water collection device in parallel, a first pipeline is arranged between the water distribution device and the cooling units, and a second pipeline is arranged between the water collection device and the cooling units. The backflow pipeline is connected with the first pipeline and the second pipeline, the first pipeline is provided with a first pump assembly, the second pipeline is provided with a first flow control component, and the backflow pipeline is provided with a second flow control component. And the temperature T1 of the mixed refrigerating fluid is detected, a first comparison result of the T1 and the first preset temperature is obtained, and the opening degree of the first flow control component and / or the opening degree of the second flow control component are / is controlled according to the first comparison result, so that all the cold supply units meet different temperature requirements. And the freezing return liquid temperature T2 is detected, a second comparison result of the T2 and the second preset temperature is obtained, the frequency of the first pump assembly is controlled according to the second comparison result, and therefore the return water temperature of the cold supply unit is controlled.
Owner:GUANGZHOU MECHANICAL & ELECTRICAL INSTALLATION CO LTD
Device for detecting temperature of liquid in circulating tank
PendingCN121829799AThermometer detailsThermometers using value differencesLiquid temperatureCirculator pump
The invention relates to the technical field of temperature detection equipment, in particular to a device for detecting the temperature of liquid in a circulation tank, which comprises a circulation tank and a jacket arranged outside the circulation tank, and further comprises a detection pipe which is a hollow bent pipe, two ends of which are opened, penetrate through the side wall of the circulation tank and are hermetically connected with the circulation tank, the inner cavity of the detection pipe is communicated with the inner cavity of the circulating tank, and a circulating pump is arranged on the detection pipe; the detection unit is installed in the center of the detection pipe in a sealed mode and used for measuring the temperature of liquid flowing through the detection pipe; and the heater is arranged on the outer wall of the detection tube and is used for carrying out auxiliary heating on the detection tube. The liquid in the detection pipe continuously flows along with the circulating pump, so that the sensor senses the dynamic liquid temperature, the limitation of point measurement is overcome, and the temperature change caused by non-uniform heating or circulating dead angles in the tank is more comprehensively reflected.
Owner:LINZHOU GUANGYUAN NEW MATERIAL TECH
Heating assembly capable of detecting temperature and liquid level respectively
ActiveCN223900673URadiation pyrometryThermometers using electric/magnetic elementsThermodynamicsLiquid temperature
The utility model relates to the technical field of heating detection, in particular to a heating assembly capable of detecting temperature and liquid level respectively, which comprises a heating piece and a heating base, the heating piece is mounted at the top of the heating base and provided with a heating surface a and a mounting surface b, and a temperature detection module and a liquid level detection module are mounted on the heating base. And the temperature detection module and the liquid level detection module are positioned on the heating base close to the mounting surface b. The temperature detection module is adopted to control the heating temperature, whether the temperature of liquid in the heated body reaches a set value or a real-time temperature can be judged through an algorithm, potential safety hazards caused by too high heating temperature are avoided, the liquid level detection module is adopted to control the remaining water amount, and the situation that the heating piece still continues to heat when the remaining water amount is insufficient can be avoided; the temperature detection module and the liquid level detection module are both arranged in the space below the heating piece, the temperature detection module and the liquid level detection module are prevented from being exposed to the outer side to affect taking, placing and using of the heated object, and user operation is facilitated.
Owner:FOSHAN NATUO NANO TECHNOLOGY CO LTD
A control method and control system for a redundant dual mode refrigeration apparatus
The application relates to the technical field of liquid cooling heat dissipation, and provides a control method and a control system of a redundant dual-mode refrigeration device. In the application, when the cooling liquid temperature is greater than a first temperature threshold, the second refrigeration circuit is started, and the three-way valve is adjusted to guide the inlet and the second outlet, when the cooling liquid temperature is not greater than the first temperature threshold, the on-circuit of the three-way valve is adjusted according to the outer water temperature, and the first refrigeration circuit or the second refrigeration circuit is selectively passed through to dissipate heat. The way of starting the first refrigeration circuit or the second refrigeration circuit to refrigerate according to the cooling liquid temperature and the outer water temperature enables the cooling liquid to be cooled by the first refrigeration circuit or the second refrigeration circuit in different temperature ranges, effectively cools the cooling liquid, enhances the stability of the system, and enables the redundant dual-mode refrigeration device to work stably for a long time.
Owner:709TH RESEARCH INSTITUTE CHINA STATE SHIPBUILDING CORP LTD
Method for circulating cooling of a device and associated device
Owner:FIBRLINK NETWORKS
Multi-bin-position mass concrete temperature intelligent regulation and control method
The invention relates to the technical field of concrete construction, and provides a multi-bin mass concrete temperature intelligent regulation and control method which comprises the following steps: acquiring liquid temperatures of a hot water tank and a cold water tank, and ensuring that the liquid temperatures are within a set range; meanwhile, concrete surface, center and environment temperatures are obtained, and the pouring state of the concrete bin position is judged. If so, determining a heating or cooling stage, and calculating the heating and cooling rate; when the concrete temperature exceeds an early warning value, early warning is given out. Adjusting the temperature and / or flow velocity of the liquid medium according to strategies according to the heating and cooling stages and rates, and keeping the temperature difference between the center and the surface of the concrete within a preset range; the multiple water mixing bins correspond to the multiple concrete bins in a one-to-one mode, the inner surface temperature difference of each concrete bin is regulated and controlled through the regulation and control method, independent regulation and control of the multiple bins are achieved, the temperature regulation and control efficiency of the multi-bin large-size concrete structure is greatly improved, and therefore efficient utilization of resources is achieved, and concrete cracking is reduced.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2
Drainage device and water supply apparatus applying the same
The application discloses a kind of drainage devices, and water supply equipment with drainage device is disclosed, wherein the drainage device includes: control assembly;Movable assembly is provided with water passing cavity, control assembly can drive movable assembly from first position to second position;Water passing assembly and movable assembly are mutually slid, and water passing assembly includes first passage and second passage;Temperature sensing element is installed between water passing cavity and water passing assembly;When temperature sensing element senses that water temperature is higher than preset temperature during water passing process, temperature sensing element resets movable assembly from second position to first position;Movable assembly cooperates temperature sensing component and realizes automatic reset to stop cold water according to liquid temperature, and movable assembly is reset to first position, and it will not automatically open the cold function because of water temperature reduction, effectively avoid excessive water resource waste;Overall simple structure, convenient to use, and convenient for later maintenance.
Owner:GUANGDONG LEHUA HOME FURNISHING CO LTD