113 results about "Room temperature" patented technology

The invention discloses a production method of distiller's grain fermentation liquid fertilizer specially applied to roxburgh rose. The distiller's grain fermentation liquid fertilizer is prepared bythe step of evenly mixing 50 to 80 parts of distiller's grain fermentation extracting solution, 0.5 to 1 part of microelement, 5 to 10 parts of seaweed meal, 5 to 10 parts of natural active organism,2 to 5 parts of potassium bicarbonate, 2 to 5 parts of natural active organism and 2 to 5 parts of natural surface active agent. A preparation method of the distiller's grain fermentation extracting solution comprises the steps: evenly stirring 50 to 80 parts of distiller's grain, 50 to 150 parts of rice washing water, 1 to 2 parts of EM microflora fermentation liquid and 0.5 to 1 part of sugar, performing composting fermentation at the room temperature to obtain a distiller's grain fermentation material, stirring and extracting through a sodium carbonate water solution, filtering and performing evaporation and condensation on obtained filtrate until the density is 1.1 to 1.2 to obtain distiller's grain fermentation extracting solution. The distiller's grain fermentation liquid fertilizerdisclosed by the invention has a good use effect, meanwhile can effectively prevent pest and disease damage to the roxburgh rose and is high-efficiency environment-friendly liquid fertilizer.

This invention relates to the field of structural health monitoring of nuclear power plant equipment, and in particular to a method for testing the performance of high-temperature resistant long-wire strain gauges. The method includes: Step 1: Determining the temperature step for strain testing of the strain gauge; Step 2: Installing the strain gauge on a measuring beam; Step 3: Conducting room-temperature performance testing of the strain gauge; Step 4: Increasing the temperature of the high-temperature loading furnace, and repeating Step 3 under different temperature step conditions, respectively measuring and collecting the strain output, strain gauge lead-end resistance, and lead resistance of the strain gauge at each temperature step; Step 5: Calculating the actual strain; Step 6: Calculating the loaded strain; Step 7: Calculating the relative sensitivity coefficient. This invention enables the testing and calibration of the thermal output and sensitivity coefficient of high-temperature resistant long-wire strain gauges as a function of temperature. It provides accurate test data for the accurate testing and calibration of the thermal output and sensitivity coefficient of high-temperature resistant long-wire strain gauges as a function of temperature, and is of great significance.

This utility model discloses an intelligent locker with a constant temperature structure, including a cabinet body, an inner liner, a rear frame, and a folding plate assembly. The upper part of the front upper and lower center cross-sections of the cabinet body has two rows of first storage compartments for ambient temperature storage, and the lower part of the upper and lower center cross-sections has two rows of low-temperature storage compartments for constant temperature storage. A second placement slot is provided on the rear part of the cabinet body corresponding to the two rows of low-temperature storage compartments. This utility model achieves rapid cleaning of the interior of the low-temperature storage compartment by pulling out the rear frame from the low-temperature storage compartment and scraping and cleaning the inner wall of the inner liner through the outer contour of the rear frame, allowing the liquid inside the inner liner to flow out through the liquid collection tank. This solves the problem of cumbersome cleaning of the cabinet interior. A temperature-sensing gas delivery valve on the connecting box is used to sense the temperature inside the low-temperature storage compartment, thereby controlling whether cold air from the first delivery pipe flows into the low-temperature storage compartment to maintain a constant temperature.

The application discloses a kind of full-size non-metal reinforced flexible composite pipe life prediction method, belong to non-metal reinforced flexible composite pipe life prediction and its evaluation technical field, solve the technical problem that when flexible composite pipe life prediction is carried out in prior art, great workload, test cycle is long, effective data is uncontrollable in test process.It is disclosed in the method that six pressures are selected under each temperature condition at three temperature conditions, the pipe failure time under each pressure value is obtained, then the pipe failure time and pressure curve under different temperature conditions and corresponding linear equation are made, 50% of the limit pressure strength of non-metal pipe in full-size oil and gas field environment under room temperature condition is taken as threshold and substituted into the above linear equation, corresponding time is obtained, finally non-metal reinforced composite pipe temperature-time Arrhenius relationship diagram is established, and the service life of pipe material can be accurately predicted through service temperature, to provide basic support for long-term safe application of full-size oil and gas field environment non-metal pipe.

This application discloses a temperature curve fitting algorithm, including the following steps: (1) preheating temperature control and feature extraction; (2) constant power curve fitting; (3) volume estimation; (4) anomaly handling. The temperature curve fitting algorithm of this application stabilizes to 50℃±3℃ within 10 minutes, and mines the temperature data features of the preheating stage through sliding residual trend analysis, capturing the weak heat capacity influence of small-volume insects in advance, and providing a sensitivity marker for the slope extraction in the subsequent constant power stage; the fitting mode is automatically switched by the slope reduction threshold, which not only retains the accurate extraction of the core slope in the stable segment, but also avoids the fitting distortion in the slowing segment; the fitting benchmark is dynamically corrected by h, rather than relying on a fixed insect-free curve, which effectively offsets the heat dissipation difference interference caused by room temperature fluctuations; when the heat dissipation coefficient estimation is abnormal, it is automatically downgraded to a linear fitting benchmark, and when historical data is insufficient, a backup formula is called to ensure that effective results can still be output under extreme scenarios such as sensor fluctuations and data loss.

This invention provides a high-temperature three-point bending ultrasonic fatigue testing device and its usage method, which can be used to conduct high-temperature and ultra-high-temperature three-point bending fatigue tests on materials. This invention overcomes the limitation of traditional three-point bending ultrasonic fatigue tests, which can only be performed at room temperature, bringing a novel fatigue testing method. Furthermore, the combined fixture device adopts a modular design, making it simple to process and operate, and easy to replace.

1. The name of the design product: air conditioner. 2. The use of the design product: used for air conditioner to send back air, adjust room temperature, and optimize air flow organization. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The purpose of this invention is to provide a high-speed pre-rotation test method for gas turbine disks that simultaneously assesses structural integrity and improves service life. Belonging to the field of gas turbines, the method includes the following steps: sequentially performing rotor assembly and dynamic balancing, rotor installation, room temperature trial run, temperature field calibration, cold pre-rotation test, and hot pre-rotation test. Then, the validity of the experimental results is analyzed; if the standards are met, the test is stopped; if not, it is repeated until the standards are met. During this process, dynamic balancing standard judgment, installation standard judgment, vibration amplitude standard judgment, and temperature field standard judgment are performed respectively. This invention can effectively improve the service life of the disk, reduce the production cost of the disk, and simultaneously assess the structural integrity of the disk.

This invention discloses a method and system for testing fogging in automotive lighting fixtures. The testing method includes: placing a lighting fixture sample in a fogging test chamber, turning on the light and placing it there continuously for a first preset time, wherein the temperature of the fogging test chamber is set to a preset test temperature and the relative humidity is set to a preset test humidity; turning off the light, and spraying the sample with water after the temperature of the left side of the lighting fixture sample has dropped to room temperature, wherein the left side refers to the lamp surface side of the lighting fixture sample. This invention simulates the environment in which fog is generated by designing the temperature and humidity of the fogging test chamber and the spraying process, moving the test scenario from a real vehicle to a laboratory, while simplifying the test procedure and allowing the test to be completed using common testing equipment, thus increasing the operability of the test.

Operating fluid flows in a gas circulating subsystem that comprises a room temperature part (211), an inbound line (203), and an outbound line (204) Respective cryogenically cooled sections of said inbound line (203) and said outbound line (204) are cooled below 100 K. Operating fluid is fed in an inbound direction from the room temperature part (211) towards a cold part (201, 2102, 2103) of a cold source. Operating fluid is also drawn in an outbound direction from a cold part (202, 2102, 2103) of the cold source towards said room temperature part (211). One or more mechanical micropumps (401, 503, 1001, 1002, 1601, 1602, 1802, 1902, 1903) are used in the respective cryogenically cooled section of the inbound line (203) and / or the outbound line (204) to affect the flow of operating fluid in the inbound and / or outbound direction, respectively.

This invention provides an energy-saving optimization and hydraulic balance regulation system for heating systems, relating to the field of heating system technology. It includes a data acquisition and detection module; a digital twin and simulation prediction module; a network-wide balancing module for adjusting the operating parameters of the heating system based on the output of the digital twin and simulation prediction module; an energy-saving control module; a terminal control module for adjusting indoor temperatures collected by a room temperature detection device; an operation management module; and a fault diagnosis and early warning module. This invention, by constructing a digital twin model of the heating system, reduces the probability of data distortion in the twin model and deviations from actual simulation predictions caused by complex underground or outdoor environments where pipe networks are often located, sensors are susceptible to low temperatures and corrosion, and data transmission is prone to delays or interruptions. Furthermore, the system directly transmits data to field equipment via a cloud-edge-device collaborative system, eliminating the need for manual relay and reducing delays and operational errors.

This invention designs an IES attack detection method based on non-invasive heat load detection modeling, belonging to the field of integrated energy technology. Addressing the thermal inertia of the heating network in an integrated electric-thermal energy system, a load redistribution attack model is constructed. Based on this, a non-invasive detection model is used to establish dual models on the load side: a radiator model and a building storage heat dissipation model, to detect amplified attack deviations in the room temperature state matrix. State prediction is performed using a sliding window method for state matrix similarity matching, replacing the attacked and contaminated state matrix with the predicted state matrix. The MILP method is used to enable rapid load recovery after an attack on the integrated electric-thermal energy system. This invention's detection method is fast and effective, enabling online detection, and has a certain theoretical basis and practical engineering significance.

This invention provides a method for full-temperature error self-calibration of intelligent fusion terminals based on digital twin transfer, belonging to the field of intelligent fusion terminal power metering technology. It includes: selecting sample terminals for multi-condition data acquisition across the entire temperature range; establishing a common error baseline model for the population using Gaussian process regression; extracting individual deviation features at room temperature and individual deviation labels for the full temperature range from the sample terminals; training a transfer mapping network from room temperature deviation to full temperature deviation based on XGBoost; performing a single-point self-test at room temperature on the terminal to be shipped and extracting room temperature deviation features; inputting the room temperature deviation features into the transfer mapping network to predict individual deviations at the full temperature range; algebraically superimposing the population baseline and individual deviations to reconstruct the full-temperature compensation coefficient table and burning it to the terminal; and completing self-calibration by interpolating the table based on real-time temperature during terminal operation. This invention, through the fusion of population commonality separation and individual deviation transfer mapping, can reconstruct the full-temperature compensation curve of the terminal based on single-point data at room temperature.

The present application relates to power distribution equipment technical field, especially to the ring main unit gas room temperature and humidity test method and device based on dynamic humidity regulation, utilize full automatic intelligent operation platform to the temperature of ring main unit gas room is adjusted automatically, after the gas temperature in the gas room is stable, the humidity value under the temperature is detected automatically, and the moisture in the air and the desiccant are used to adjust the gas humidity in the gas room intelligently, so as to carry out other initial humidity test, under the premise of not replacing the main gas of the gas room, the initial humidity is dynamically adjusted, the representativeness and reliability of test data are significantly improved, the control terminal according to the real-time detection temperature and humidity, pressure and environmental parameters, accurately control the solenoid valve, booster pump and high-low temperature box cooperative operation, automatically carry out humidification or dehumidification, 24 hours continuous test can be completed without manual intervention.

This invention discloses a method for establishing a self-heating effect model. It considers the influence of different ambient temperatures on thermal resistance. In addition to testing a MOSFET at room temperature under different combinations of gate and drain voltages, it also tests it at at least one other ambient temperature. The power and self-heating temperature change values ​​of the MOSFET at multiple ambient temperatures are obtained, and the thermal resistance at different ambient temperatures is extracted. Then, the power and self-heating temperature change values ​​of the MOSFET at each different ambient temperature are fitted to obtain the coefficients of the linear model of the ambient temperature thermal resistance of the MOSFET. This model is then stored, thereby establishing a more accurate and widely applicable self-heating effect model for MOSFET devices, which can more accurately characterize the self-heating effect characteristics of MOSFETs under different ambient temperatures.

The ventilation device (4) with humidity control function of the present invention includes a humidity control device (6) for humidifying or dehumidifying the supply airflow (15) and a control unit (8) for controlling the operation of the humidity control device (6). The control unit (8) is configured such that when controlling the relative humidity of the room to approach the target humidity, if the room temperature is above a first reference temperature and below a second reference temperature, a first control is performed to use the relative humidity of the room to approach the target humidity; and when controlling the relative humidity of the room to approach the target humidity, if the room temperature is below the first reference temperature or above the second reference temperature, a second control is performed to use a calculated relative humidity determined by setting the room temperature change to a third reference temperature between the first reference temperature and the second reference temperature to approach the target humidity.

This invention discloses a room-temperature optical power measurement device based on the principle of electrosubstitution. The device includes a radiation detection component (1) and a heat sink (10). The radiation detection component (1) is installed in the heat sink (10). The radiation detection component (1) includes a substrate (3), an absorption coating (4), a thermistor (5), and a heating resistor (6). The substrate (3) is fabricated into a planar structure. A layer of the heating resistor (6) is deposited on the substrate (3), and an absorption coating is grown on the heating resistor. The thermistor (5) is bonded to the underside of the substrate (3). This invention meets the high-precision measurement requirements of optical power under environments such as space loads.

This invention relates to the field of household appliances, and more particularly to an intelligent temperature control system based on indoor environmental parameter monitoring: a casing for preventing heat loss; a bottom support for supporting the casing and driving its rotation; a fan for driving airflow within the intelligent temperature control system; a display controller disposed on the surface of the casing for automatically determining the initial casing rotation speed, initial fan speed, and initial heating element power based on the room area, determining whether to adjust the control parameters based on the distance from the air outlet to the wall it faces, and determining whether the room temperature is stable based on the room temperature variation and making corresponding adjustments; the user can actively adjust the casing rotation speed, fan speed, and heating element power through the display controller; and a heating unit for supplying heat to the intelligent temperature control system and driving airflow within the casing, thereby improving the heating efficiency of the intelligent temperature control system and saving energy consumption.

This application provides a method and system for intelligent control of cleanroom temperature and humidity based on digital twins, relating to the field of intelligent control technology, and solving the technical problems of real-time performance and dynamic response lag in cleanroom temperature and humidity control in existing technologies. The method includes: constructing a digital twin model simulating the temperature and humidity distribution and airflow state within a cleanroom; acquiring real-time data from the cleanroom at a first moment using multi-source sensors; the multi-source sensors include at least multiple high-precision temperature and humidity sensors; calibrating the parameters of the digital twin model by comparing the actual data with the first simulated value of the digital twin model for the first moment; inputting the actual data into the digital twin model to obtain a second simulated value of the digital twin model for a second moment; and outputting control commands based on the deviation between the second simulated value and a set standard value to drive the physical equipment to execute.

This invention discloses a high-waterproof B1-grade flame-retardant eco-safety board and its preparation method. The board comprises a substrate layer and a decorative layer. All raw materials of the substrate layer are treated with phosphorus-nitrogen flame retardants by negative pressure impregnation, hot-pressing at a pressure of 12-14 MPa and a temperature of 95-105℃, resulting in a finished product density of 680-720 kg / m³. 3 The static bending strength has an average value of 28.8 MPa and a minimum value of 19 MPa. After immersion in room temperature water for 72 hours, there was no delamination. Five out of six immersion peel tests were qualified. The combustion performance meets the national B1 level flame retardant standard. This invention uses a negative pressure environment to allow the flame retardant to deeply penetrate into the internal structure of the substrate. Combined with high pressure, high temperature and precise hot pressing, it improves the density and interfacial bonding strength, achieving a synergistic improvement in waterproof, flame retardant and mechanical properties. It is suitable for high-safety and high-humidity scenarios such as furniture manufacturing, whole-house customization and interior decoration.

The present application relates to the technical field of air conditioners, and in particular to an air conditioner indoor return air temperature anomaly diagnosis method and system, an air conditioner, equipment and a storage medium. After the air conditioner is stably operated, the indoor return air temperature and the indoor heat exchanger tube temperature are collected, the temperature difference, fluctuation and change rate characteristics are calculated, and through the minimum air flow disturbance of the indoor fan speed or the air deflector angle, the return air short circuit anomaly and the heat exchanger thermal radiation anomaly are distinguished according to the disturbance response. Air flow organization adjustment is performed for the return air short circuit, and temperature compensation correction is performed for the thermal radiation anomaly. The present application does not need to increase hardware, and can improve the room temperature detection accuracy and air conditioner comfort.

This invention relates to the field of building heating, ventilation, and air conditioning (HVAC) technology, and more particularly to a cloud-edge collaborative smart energy management system. The system includes a multi-source thermal data acquisition module, a cloud-edge collaborative baseline generation module, a real-time room temperature deviation calibration module, a pipeline energy efficiency attenuation calibration module, and a scheme delivery module. It performs real-time calibration of the baseline heating control scheme by calculating the thermal inertia hysteresis coefficient, performs demand compensation based on time-of-use and zone-specific heat demand coefficients, performs energy efficiency calibration based on the pipeline heat loss coefficient, performs scaling inhibition correction in conjunction with the supply water temperature stress coefficient, and performs economic optimization based on the real-time electricity price peak-valley coefficient. This achieves synergistic optimization of heating quality and energy efficiency, effectively improving thermal comfort, reducing operating energy consumption, and extending equipment lifespan.

A method for heating, ventilation, and air conditioning (HVAC) system diagnostics includes, in response to determining that a triggering event has occurred, entering a filter diagnostics mode. A first instruction is sent to a thermostat to shut down an HVAC system. A user is instructed to locate and remove a filter. The filter is classified as acceptable or dirty. In response to classifying the filter as acceptable, the user is instructed to the turn on the HVAC system. In response to determining based on the triggering event that a desired mode is a cooling mode, a first value of a room temperature is determined. The user is instructed to set a temperature setpoint below the first value. A second value of the room temperature is determined. In response to determining that the second value is less than the first value, it is determined that the HVAC system operates properly.

This invention relates to a design method for a medium-temperature chilled water centralized air conditioning system, belonging to the field of energy-saving air conditioning system design technology, and filling the gap in existing technologies for design methods of medium-temperature chilled water centralized air conditioning systems. The design method includes the following steps: S1, initial data extraction and initial judgment: determining whether adjustments to the selection and design of conventional fresh air handling units and fan coil units are needed; S2, calculating the indoor heat-to-moisture ratio and determining the air supply state point; S3, calculating the dehumidification capacity of the fresh air handling unit and fan coil units; S4, setting equipment selection parameters; S5, evaluating the dehumidification capacity of the fresh air handling unit; S6, evaluating the dehumidification capacity of the fan coil units; S7, determining the system supply water temperature. This invention can design medium-temperature chilled water centralized air conditioning systems with different operating conditions and determined supply water temperatures for different climate zones. Compared with normal temperature systems (7 / 12℃), the medium-temperature system has a higher evaporation temperature of the chiller unit, which can improve the system COP and achieve energy saving in air conditioning.

The application discloses a kind of variable air volume system summer fresh air optimization control methods, it is characterized in that, by comparing indoor and outdoor air enthalpy, when outdoor air enthalpy is higher, according to the number of area, find the most unfavorable area of the largest fresh air demand, when the most unfavorable area fresh air demand changes greater than set value, using multi-objective genetic optimization control algorithm to solve the most unfavorable area room temperature set value, and with the value as the basis to calculate VAV system total fresh air quantity, and accordingly as basis adjustment fresh air valve, return air valve and exhaust valve to achieve fresh air control.The control method is suitable for fresh air ratio control in variable air volume system, and the control strategy has good robustness, and has outstanding effect in improving building multi-area indoor air quality and saving operating energy consumption.

The application discloses a method and device for arranging attenuators in a read input link and a storage medium, comprising: determining a total attenuation value required by the read input link according to a first thermal noise photon number of a read signal transmitted from a room temperature environment to a read cavity of a quantum chip along the read input link and a second thermal noise photon number of the read cavity when normally working; arranging at least one attenuator in a higher temperature zone and a lowest temperature zone of a refrigerator according to the total attenuation value; determining a total voltage noise power spectral density of all temperature zones according to attenuation values, numbers and temperature zones of the attenuators; determining an equivalent temperature of the read cavity according to the total voltage noise power spectral density; and judging whether the equivalent temperature is lower than a threshold value, if yes, the arrangement of the attenuators is reasonable, and if not, adjusting the number and / or attenuation value of the attenuators until the equivalent temperature is lower than the threshold value. The method can accurately select an arrangement of the attenuators whose thermal noise meets the normal working of the quantum chip.

This invention discloses a silicon photonic integrated package and method with a room-temperature quantum coherent control structure, comprising: a photoelectric composite interposer layer having vertical photonic vias and electrical vias; four heterogeneous waveguide structures within the photonic vias for vertical optical signal transmission; copper pillars within the electrical vias for electrical interconnection; a first microchannel on the back of the interposer layer; a quantum material heterogeneous integration module bonded to a set of copper pillars, integrating a diamond thin film containing NV color centers, and containing an optical microcavity, photonic crystal waveguide, and microlens; a room-temperature quantum control circuit bonded and interconnected to another set of copper pillars; an optical engine module, located above the control circuit and aligned and coupled to the waveguide interposer layer; and each functional layer integrated and packaged from bottom to top on a carrier board, forming a system-level package with three-dimensional electrical, optical, and thermal interconnection and room-temperature coherent quantum state manipulation capabilities. This invention solves technical challenges such as heterogeneous bonding of silicon photonics and quantum materials, thermal stress mismatch, and photoelectric crosstalk.

The utility model provides an intelligent cold and hot source entrance regulation and control equipment relates to energy exchange equipment technical field, including heat exchanger, controlling means, heating end pipeline, user end pipeline, first temperature sensor, heating end pipeline and user end pipeline set up respectively in heat exchanger connection, the heat energy or cold energy in heating end pipeline exchanges with the energy in user end pipeline in heat exchanger, heating end pipeline and user end pipeline are separated through heat exchanger, guarantee the problem of external net water conservancy balance, user end pipeline is laid in the room, first temperature sensor sets up in the room, detects the temperature in the room, heating end pipeline is provided with automatic regulating valve, first temperature sensor, automatic regulating valve are electrically connected with controlling means, and the opening size of automatic regulating valve is controlled according to the temperature of first temperature sensor detection, and the average room temperature in multiple rooms is accurately controlled in different time periods, and the maximum degree reduces cold and hot energy consumption, saves the energy.

This invention provides a control method for a thermal storage enclosure structure and the thermal storage enclosure structure itself. The control method first obtains initial control weight curves for multiple control objectives of the thermal storage enclosure structure. Then, according to a preset adjustment step size, the initial control weight curves are gradually corrected based on the operational performance of the thermal storage enclosure structure, resulting in corrected weight curves for the multiple control objectives. Next, based on the real-time operating state parameters of the thermal storage enclosure structure and a predictive model, the operational optimization function of the thermal storage enclosure structure is solved to obtain the control quantity of the thermal storage enclosure structure. Finally, the thermal storage enclosure structure is controlled to execute control actions corresponding to the control quantity. This control method for the thermal storage enclosure structure, through multi-objective weight adaptive correction and model predictive optimization, can closely meet the actual user needs, accurately and stably maintain indoor comfort, minimize room temperature fluctuations, provide more timely responses, and consistently remain within the comfortable range.