141results about "Temperature control using electric means" patented technology

A temperature control device includes a temperature detector, a difference operation unit, a controller, a saturation processing circuit unit, a rewritable storage unit, and a conversion unit. The difference operation unit operates a digital value corresponding to a difference value between a detected temperature value and a target temperature. The controller calculates a manipulated variable using the digital value operated by the difference operation unit. The saturation processing circuit unit includes a digital circuit to limit an output value of the controller to a pre-set upper limit value. The rewritable storage unit stores the upper limit value read from a storage area of the rewritable storage unit and input into the saturation processing circuit unit. The conversion unit converts the output value of the saturation processing circuit unit into an analog signal to output the converted value as a control command value to the heater.

A temperature regulating apparatus includes: a heating section configured to produce a heating liquid; a cooling section configured to produce a cooling liquid; a heating-liquid delivery pipe for delivering the heating liquid to the semiconductor-device manufacturing equipment; a cooling-liquid delivery pipe for delivering the cooling liquid to the semiconductor-device manufacturing equipment; a heating-side return pipe for returning a liquid mixture of the heating liquid and the cooling liquid that have passed through the semiconductor-device manufacturing equipment to the heating section; a cooling-side return pipe for returning the liquid mixture that has passed through the semiconductor-device manufacturing equipment to the cooling section; and at least one of a heating-side heat exchanger configured to exchange heat between the heating liquid and the liquid mixture and a cooling-side heat exchanger configured to exchange heat between the cooling liquid and the liquid mixture.

This invention relates to the field of semiconductor technology, and more particularly to a method, apparatus, and device for controlling the intrinsic temperature of a wafer. The method involves extracting features from amplitude ratio and phase difference spectra based on a preset time sequence to obtain a corrected growth rate; calculating the process formulation change sequence according to a preset thermal inertia equation and a preset growth kinetic relationship to obtain feedforward compensation power; calculating the corrected growth rate according to a preset multivariable PID control algorithm to obtain feedback regulation power; and solving the feedforward compensation power and feedback regulation power according to a preset decoupling formula to obtain the intrinsic temperature power control command for the wafer. By generating feedback regulation power through the multivariable PID control algorithm, and reducing temperature zone interference through decoupling, the method achieves zoned temperature control, improves the system's anti-interference capability, ensures the stability of epitaxial layer quality, enhances the consistency and reliability of MOCVD processes, and provides support for the large-scale production of semiconductor devices.

The application discloses a kind of breathing valve online verification method, device and storage medium, and verification method includes: obtaining the first information of to-be-tested breathing valve, first information includes: ambient temperature, valve initial temperature, valve real-time temperature, target temperature, reference temperature, standard exhalation opening pressure and standard inhalation opening pressure;According to ambient temperature, valve initial temperature and target temperature, valve real-time temperature is adjusted to target temperature;Pressure verification test is carried out to to-be-tested breathing valve, and second information is obtained, second information includes measured exhalation opening pressure and measured inhalation opening pressure;According to first information and second information, qualified determination is carried out, and verification result is output.The application discloses breathing valve online verification method, device and storage medium, by obtaining valve temperature information, actively adjusting valve temperature to target temperature, executing pressure verification and carrying out qualified determination, fundamentally avoid the interference of ambient temperature to breathing valve, improve the accuracy and reliability of online inspection.

This utility model relates to the technical field of gypsum water retention rate testers, and discloses a gypsum water retention rate tester with temperature control function. It includes a main body of the gypsum water retention rate tester, a cloth funnel on one side of the main body, several temperature sensors mounted on the surface of the cloth funnel, and a heating jacket with an internal cavity. This gypsum water retention rate tester with temperature control function, through the setting of the temperature control mechanism and temperature sensors, achieves precise control of the surface temperature of the cloth funnel by connecting the power supply and using the temperature controller to control the heating mesh in the internal cavity of the heating jacket to heat the surface of the cloth funnel on one side. After heating to a suitable temperature, the surface temperature is then monitored in real time by the several temperature sensors mounted on the surface of the cloth funnel, thus achieving precise control of the surface temperature of the cloth funnel and avoiding the influence of temperature on the accuracy of the test results.

The present application relates to the field of clutch components technical field, especially to a kind of clutch driven plate assembly axial displacement fatigue test bench, it includes workbench;Linear loading device, the linear loading device is located on workbench;Deflection loading device, the deflection loading device for the deflection loading of linear loading is changed, and the deflection loading device is located on workbench;High temperature testing device, for detecting the axial displacement fatigue test of clutch driven plate assembly under high temperature working condition The high temperature testing device is located on workbench;The present application simulates the working condition of different loading stroke, spline wear working condition, high temperature working condition, loading load working condition for the axial displacement fatigue test of clutch driven plate assembly, realizes the axial displacement fatigue test of simulation in real work.

This utility model relates to the field of battery thermal management technology and discloses a temperature control component for intelligently regulating the reaction rate of lithium iron phosphate battery materials. The component includes a temperature controller: a hollow block is fixedly connected to one end of the temperature controller; a protective plate is slidably connected inside the hollow block; an adjustment groove is provided at one end of the hollow block; a cavity block is fixedly connected to one end of the protective plate; a U-shaped block is fixedly connected to one end of the hollow block; and a snap-fit ​​groove is provided at one end of the U-shaped block. This temperature control component for intelligently regulating the reaction rate of lithium iron phosphate battery materials allows the protective plate to slide inside the hollow block by pulling the cavity block upwards until it completely blocks the control button at one end of the temperature controller. Then, through the cooperation of a storage spring and the snap-fit ​​block, the snap-fit ​​block can be inserted into the snap-fit ​​groove to fix the position of the protective plate, thereby preventing accidental button triggering due to external impact and further improving the safety and stability of the temperature control component.

A heating and / or cooling equipment (HVAC) control system includes a subbase a thermostat releasably engageable with the subbase. An encoder is physically associated with the subbase. The provides information to the thermostat when the thermostat is coupled to the subbase. The information at least uniquely identifies the thermostat to a centralized HVAC system provided to control HVAC related functionalities in each of a plurality of rooms in a building.

The application provides a controllable simple heating compensation device and a test block pressurization and temperature control experiment method, and relates to the technical field of material mechanics experiment equipment. The device takes a heating gun as a heat source, a temperature sensing magnet as a temperature measuring element, cooperates with a temperature control switch with a temperature interval setting to form a temperature control core, and is wrapped with a heat preservation device made of simple heat preservation materials around the pressurization end of a universal testing machine and a test block. Through temperature measurement feedback, the automatic start and stop of the heating gun is realized, the heat loss of the test block is reduced, and the test block is stably kept in the set temperature interval during the whole pressurization process. The application effectively solves the problems of easy temperature fluctuation of the test block and high cost of the existing temperature control device structure in the test block pressurization experiment of the universal testing machine. The overall structure of the device is extremely simple, convenient to install and low in cost, and can ensure the accuracy and reliability of the test block pressurization mechanics experiment data.

The present application relates to the technical field of temperature control, and discloses a temperature control correction method, system, device and storage medium, the method comprising: acquiring a real-time environment temperature and an interface target temperature; determining a first control reference value corresponding to the real-time environment temperature based on the real-time environment temperature, the interface target temperature and a preset correction coefficient; correcting the first control reference value based on a preset compensation value to obtain a second control reference value; and determining a target control temperature of a temperature control module according to the second control reference value and a preset overshoot compensation function. According to the preset temperature correlation model, the target control temperature required by the temperature control module is calculated in combination with the environment temperature and the interface target temperature, so as to drive the heating base to adjust the heating power in real time, thereby indirectly achieving the control of the interface target temperature of the bonding interface under the condition that the bonding interface temperature cannot be directly monitored.

A kind of X-ray telescope support truss hierarchical thermal control method and system based on frequency domain analysis, the method includes establishing physical domain heat transfer model and carrying out model reduction, extracting first-order linear characteristic equation;Through the frequency domain analysis of characteristic equation, the transfer law of equivalent heat transfer coefficient G and equivalent absorption coefficient λ to different frequency band thermal disturbance is quantitatively revealed, and the design target of passive insulation and active control is determined accordingly;Based on the conclusion of frequency domain analysis, a two-stage passive suppression system composed of individual isolation and system isolation is constructed to attenuate low-frequency platform disturbance, while the upper and lower datum plates are optimized for differential passive thermal characteristics, and an active control loop operating at a specific high frequency band is configured, ultimately forming a frequency domain collaborative temperature control mechanism of passive low-frequency suppression and active high-frequency control.The present application realizes ultra-high temperature stability at low energy consumption cost in extremely complex thermal environment, effectively solving the problem that the precision and energy consumption of traditional thermal control method are difficult to be considered in through structure.

The application discloses a wafer temperature control method, electronic equipment and medium, and relates to the technical field of semiconductor manufacturing. The method comprises the following steps: obtaining a temperature measuring sensor and a wafer temperature control parameter; heating the wafer according to the initial heating power, and obtaining the actual temperature of the temperature measuring sensor in the heating process; determining the temperature measuring object in the heating process according to the actual temperature and the temperature increment threshold of the temperature measuring sensor; in the case that the temperature measuring object represents the wafer, adjusting the initial heating power according to the target temperature of the temperature measuring sensor, heating the wafer by using the adjusted heating power, so that the temperature of the wafer reaches the wafer target temperature. The application has the characteristics and advantages of improving the accuracy and consistency of wafer temperature control, improving process stability, and meeting process control requirements.

The application discloses a kind of high-precision stable control methods for industrial metal gallium electrolytic deposition process temperature, comprising: the dynamic mechanism model of metal gallium electrolytic process temperature is established, and the steady-state temperature of electrolytic process is solved;Collect metal gallium electrolytic process temperature control input and temperature output data, and construct input-output data set;According to the preset mechanism enhancement proportion, replace several data points of original output data set with steady-state temperature value, and obtain mechanism-enhanced output data set;Using mechanism-enhanced output data set and original input data set, a subspace identification method is used to obtain a temperature prediction model;According to Lyapunov theorem, the stable solution of control quantity is solved, and the objective function of asymptotically stable model predictive control is constructed using the temperature prediction model;And under the premise of meeting the system constraint condition, the optimal control quantity sequence of temperature is solved by rolling optimization.The application can efficiently and stably control the temperature of metal gallium electrolytic deposition process.

The present application relates to the field of automatic control of chemical process and industrial temperature control system, in particular to a PID adaptive temperature control system of a disinfectant production reaction kettle, comprising: obtaining the current process temperature, the current physical opening degree and the current supply pressure of the cooling medium; generating an initial available margin by subtracting the preset physical limit opening degree from the current physical opening degree, and correcting the current available control margin according to the current supply pressure; inputting the current process temperature and the current available control margin into a dynamic penalty model to output a current boundary risk probability; generating an optimized PID parameter based on a reinforcement learning model, and generating a tracking control instruction or a defense control instruction to adjust the heat exchange actuator according to the size relationship between the current boundary risk probability and a risk probability threshold; the temperature control continuity under high-risk steady state and the early intervention ability before thermal runaway can be realized.

The present application belongs to the technical field of energy saving and cooling, and particularly relates to a self-circulation road surface spraying cooling system based on clean energy driving and a control method. The self-circulation road surface spraying cooling system based on clean energy driving comprises: a precipitation collecting and storing device, including a water collecting channel and a water storing unit, the water collecting channel is communicated with the water storing unit, the water collecting channel is configured to collect the precipitation of the road surface and guide the precipitation to the water storing unit; a spraying execution device, communicated with the water storing unit, the spraying execution device is configured to spray the road surface by using the stored water of the water storing unit; a clean electric energy device, used for converting clean natural energy into electric energy and supplying power for the system; a control circuit, electrically connected with the clean electric energy device and the spraying execution device respectively. The spraying cooling mode can save resources and reduce costs.

This invention relates to the technical field of uranium-containing fluids, and more particularly to a device and method for simulating the transport of uranium-containing fluids under oxygen-deficient conditions. The reaction mechanism includes a U-shaped glass tube placed vertically, with an outlet on the top right and an inlet on the bottom left of the tube, and a rubber stopper at the top opening. A supply mechanism includes a helium cylinder located on the left side of the U-shaped glass tube, with a pressure-reducing valve installed at its outlet. The outlet of the pressure-reducing valve is connected to a filling gun, the other end of which can be quickly connected to the inlet. By laying sandstone strata inside the U-shaped glass tube and using a helium oxygen-removal method to create an oxygen-deficient atmosphere, the transport scenario of uranium-containing fluids under real geological conditions can be highly replicated. Combined with a thermal insulation jacket and temperature controller for precise temperature control, the experimental results are closer to natural geological processes, providing reliable data support for the study of uranium transport mechanisms.

The application relates to the technical field of furnace temperature regulation, and discloses a petroleum coke calcination furnace temperature cooperative regulation method and system, the method comprising the following steps: acquiring a temperature distribution, a fuel addition amount, a material movement speed and a convection radiation value; obtaining a predicted temperature sequence according to the temperature distribution and the fuel addition amount; obtaining an adjusted addition amount according to the predicted temperature sequence and a preset target temperature distribution; obtaining a heat transfer correction coefficient according to the adjusted addition amount; generating an optimized distribution scheme according to the heat transfer correction coefficient; determining a heat absorption rate change according to the optimized distribution scheme; generating a compensation input sequence according to the heat absorption rate change and the convection radiation value; and outputting a furnace temperature stable state according to the compensation input sequence. The method can improve the temperature stability in the furnace.

This application provides a method, apparatus, electronic device, and storage medium for temperature control, which can be applied to temperature control over a wide temperature range, balancing the speed of temperature control with temperature overshoot, and enabling faster control of the temperature while maintaining accuracy. [Technical Means] A method for temperature control includes the steps of: performing tests and calculations on a test temperature control system to obtain test control parameters based on different test temperature control data; determining a first rule relationship between the test temperature control data and the test control parameters by analyzing the test temperature control data and the test control parameters; determining a target control parameter corresponding to the target temperature control data based on the first rule relationship and the target temperature control data that the target temperature control system should achieve; and calculating the target control signal according to the target control parameter in order to adjust the target temperature control system based on the target control signal.

This invention discloses an AI-adaptive temperature closed-loop regulation system for power connection lines, relating to the field of power supply technology. The key technical points are: acquiring real-time load parameters of the current power connection line; establishing a thermal adaptation prediction model based on historical load parameters and historical thermal deformation repair and adjustment data; inputting the real-time load parameters into the thermal adaptation prediction model to obtain a basic temperature regulation value; performing heat conduction simulation based on the real-time load parameters to obtain simulated thermal deformation characteristic data; processing historical heat penetration area, historical line aging area, historical thermal deformation characteristic data, and simulated thermal deformation characteristic data to obtain the heat penetration area of ​​the coupled influence region; obtaining the actual temperature regulation value based on the basic temperature regulation value, the pre-processed temperature change rate, the heat penetration area, and the additional loss due to thermal deformation; and performing closed-loop temperature regulation of the power connection line based on the actual temperature regulation value and the heat penetration area, thereby improving the reliability and stability of the overall power supply system.

This invention relates to a method, apparatus, and device for zero-bias compensation of microelectromechanical gyroscopes (MEMS) based on temperature control, and pertains to the field of inertial sensor technology. The method includes: placing a heating chip on the back of the MEMS chip and constructing a chip-level temperature control system; adjusting the temperature to a preset desired temperature and maintaining a constant temperature state using the driving frequency as the controlled variable; collecting zero-bias output data, driving force data, and driving frequency data of the MEMS chip under constant temperature conditions as a sample set to calculate a final bivariate cubic fitting model; continuously maintaining the constant temperature state of the MEMS chip and collecting real-time driving force and driving frequency under the current operating state; then substituting these values ​​into the final bivariate cubic fitting model to calculate the zero-bias compensation value; and finally subtracting the zero-bias compensation value from the current zero-bias output result of the MEMS chip to complete the zero-bias compensation. This invention effectively suppresses the influence of temperature and operating parameters on zero-bias, improving the measurement accuracy and stability of the MEMS gyroscope.

The present application relates to the field of intelligent drinking water equipment control and wireless interconnection communication, and particularly relates to a double-valve cold and hot water double-channel interconnection drinking water control method and system. Cold and hot water requests, cold and hot valve states, temperature states and connection requests are collected to generate a drinking water control input set; target channel determination is performed to generate a valve control target state set; temperature regulation processing is performed to generate a water supply permission state and temperature zone determination result; double-channel session management is performed based on the temperature regulation result to establish a Bluetooth instant connection or a remote connection; state viewing and parameter adjustment are performed through a mobile terminal unified portal to generate a device response result; and finally, state record feedback is performed to generate a remote monitoring data set. The present application organizes dispersed states uniformly, ensures consistent control paths, cooperatively manages double communication links and performs session arbitration, adapts to near and far end coexistence scenarios, and improves the coherence of drinking water control and the consistency of communication session processing.

This invention discloses an overshoot temperature control circuit for inkjet printheads, relating to the field of inkjet printing technology. It includes a processor module, a temperature-to-voltage conversion module, an error amplification module, a temperature sensor disconnection protection module, a triangular wave generator module, an analog-to-comparison PWM generation module, and a power switch module. The advantages of this invention are significantly improved print quality, rapid and overshoot-free dynamic response, effective suppression of temperature overshoot, extended printhead lifespan, and good energy-saving performance.

This invention discloses an adaptive load-based method and system for temperature regulation of a hydro-generator, relating to the field of hydropower control technology. It involves real-time acquisition of multi-source operating data, time alignment, and feature fusion. The fusion result is input into a physically constrained thermal state prediction model to obtain the generator's predicted thermal state and instantaneous heat generation information, generating an advanced cooling regulation amount based on the heat generation mechanism. The system employs a control architecture that parallels baseline safety versions and candidate strategy versions. Candidate strategies are updated online in the background, and control commands to be verified are output. Before issuance, all control commands undergo an online safety verification mechanism to assess command consistency and condensation risk. If the verification fails, the system automatically blocks and triggers strategy rollback or switches to a degraded control mode. This invention overcomes the temperature regulation lag problem caused by thermal inertia, balancing regulation advancement, model physical consistency, and operational safety under complex operating conditions, and is suitable for the safe operation of large hydro-generator units.

The present application relates to the technical field of control system, and particularly relates to a self-adaptive temperature control method and system for a cold drink machine, which comprises the following steps: obtaining bottom-layer physical state parameters of the cold drink machine; using a regression algorithm to model the bottom-layer physical state parameters as an environmental thermal load basic state, and outputting a baseline refrigeration power instruction ratio; extracting transient physical disturbance features, and performing adaptive gain multiplier fusion calculation based on a thermal shock surge index and a fluid viscous resistance factor; generating a comprehensive target refrigeration output amplitude instruction according to the baseline refrigeration power instruction ratio and the adaptive gain multiplier, and issuing the instruction to a refrigeration equipment execution unit for dynamic regulation and control and hardware protection execution. The present application reduces the hysteresis degree of thermal shock perception, improves the accuracy of feedforward load response, and reduces the probability of mechanical overload occurrence.

An aerosol generating device includes a heating chamber; and a thermoelectric cell. The aerosol generating device is configured to supply electrical power to the thermoelectrical cell and the thermoelectric cell is arranged such that, when electrical power is supplied to the thermoelectric cell, heat is transferred through the thermoelectrical cell to the heating chamber by the thermoelectrical cell. A control unit is configured to control the heat transferred by the thermoelectrical cell so as to regulate an internal temperature of the heating chamber. A method of controlling the aerosol generating device includes controlling the heat transferred through the thermoelectric cell so as to regulate the internal temperature of the heating chamber.

A heating assembly (100) for a kitchen device (10) is provided, the heating assembly (100) being mounted in a cavity (12) for receiving water to be heated, and including a heating element (120) for heating the water in the cavity (12), an electrode (130) for contact with the water in the cavity (12), a power source (140) connected to the heating element (120) and the electrode (130) for creating an electric potential between the heating element (120) and the electrode (130) with the heating element (120) having an anodic potential. A kitchen device (10) having the heating assembly (100) is also provided as well as a method of operating the kitchen device (10).

This invention relates to the technical field of inverter control, specifically to an inverter control method and system. The method includes the following steps: acquiring operation-related information, including environmental information related to inverter operation, internal inverter status information, and heat dissipation system operation information; evaluating the heat generation trend of power devices and the heat dissipation capacity of the heat dissipation system based on the operation-related information; and selecting and executing a heat dissipation scheme from a set of preset heat dissipation schemes based on the evaluation results of the heat generation trend of power devices and the heat dissipation capacity of the heat dissipation system. Through this technical solution, this application can achieve comprehensive perception of the inverter's operating status and, based on the dual evaluation of the heat generation trend of power devices and the heat dissipation capacity of the heat dissipation system, intelligently select and execute the optimal heat dissipation scheme, ensuring stable and efficient operation of the inverter in complex environments.

A thermal energy storage heater for rapidly heating pool / spa water includes an insulated housing defining first and second chambers, a heat transfer fluid for storing thermal energy, a valve that is positioned and adjustable to control a rate of discharge of heat transfer fluid from the first chamber to the second chamber, a heating element positioned in the first chamber to increase the temperature of heat transfer fluid stored therein, and a heat exchanger positioned in the second chamber and configured to receive pool / spa water. The heater is operable in at least a first mode where heat transfer fluid is retained in the first chamber and heated by the heating element, and a second mode where the heat transfer fluid is provided to the second chamber and thermal energy is extracted therefrom by pool / spa water flowing through the heat exchanger. A method of rapidly heating pool / spa water is also provided.