20 results about "Liquid temperature" patented technology

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

An apparatus for indicating temperature of a liquid inside a bottle, the apparatus including: a housing having an upper surface configured to support a bottle; a base surface configured to rest on a flat structure; a non-contact thermometer located inside the housing; one or more indicators to display or provide an indication of a temperature state of the bottle; and a processor; wherein 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 provide an indication via the one or more indicators alert a user if there is an increase in temperature state of the bottle.

The application relates to a liquid level measuring device based on a temperature difference demarcation point, which realizes real-time measurement of the liquid level height in a corresponding application background. The inside of an elongated structural member is filled with heat-conducting liquid, which is installed vertically to the surface of a liquid to be measured and extends to the bottom of the liquid to be measured; a control device controls a heating wire immersed in the heat-conducting liquid to heat the heat-conducting liquid until the value measured by a first temperature-sensitive resistor reaches a set temperature; the temperature difference demarcation point of the elongated structural member with small thermal inertia is consistent with the liquid level height because the elongated structural member is partially immersed in the liquid; the value measured by a second temperature-sensitive resistor is the temperature value of the liquid to be measured; the length of a first temperature-sensitive material resistor wire is consistent with the length of the elongated structural member, the first temperature-sensitive material resistor wire is immersed in the heat-conducting liquid, and the two ends of the first temperature-sensitive material resistor wire are fixed at the top end and the bottom end of the elongated structural member respectively; the resistance value of the first temperature-sensitive material resistor wire changes with the liquid level height; and the liquid level height of the liquid to be measured can be determined according to the temperature value measured by the first temperature-sensitive resistor, the temperature value measured by the second temperature-sensitive resistor and the measured resistance value of the first temperature-sensitive material resistor wire.

The invention discloses a boiling point detection method and device, drinking water equipment and a storage medium. The method comprises the steps that the heating unit is controlled to heat liquid in the water storage assembly at constant power; the temperature of liquid in the water storage assembly is obtained based on a water temperature sensor; in a first heating stage when the liquid temperature is lower than a first preset temperature, a first proportionality coefficient is determined based on the linear fitting relation between the temperature rise value of the liquid temperature and the corresponding heating time; in a second heating stage after the liquid temperature reaches or is higher than the first preset temperature, a second proportionality coefficient is determined based on the linear fitting relation between the temperature rise value of the liquid temperature and the corresponding heating time; if the second proportionality coefficient and the first proportionality coefficient meet the set proportional relation, the liquid temperature currently detected by the water temperature sensor is determined as the boiling point value. According to the boiling point detection method, automatic detection of the boiling point can be realized according to different air pressure environments, and the running safety of the drinking water equipment in different altitude scenes is improved.