15results about How to "Accurate temperature" patented technology

The embodiment of the present disclosure provides a temperature control system, comprising: a power module, used for supplying power for a circuit; a multi-channel thyristor module connected with the power module, used for simultaneously controlling a plurality of heating devices; a plurality of heating devices connected with the plurality of channels in the multi-channel thyristor module one by one, used for heating external objects; and a programmable logic controller, used for controlling the multi-channel thyristor module, so as to realize the control of the plurality of heating devices. The embodiment of the present disclosure can accurately adjust the working state of each heating device according to specific temperature requirements, and further realize more accurate temperature distribution and control.

The utility model discloses a frost insulation heat -proof subassembly of automobile air conditioner mixed air door of double -deck sealing structure belongs to automobile air conditioning technical field, and its technical key points include mixed air door subassembly, A sealing assembly and B sealing assembly. The utility model, when importing cold and warm air current to the inside of car, in order to make the proportion of imported air current can accurate control, and then make the temperature in the inside of car can accurate control, therefore set up A sealing assembly and B sealing assembly on mixed air door subassembly, through the cooperation of A sealing assembly and B sealing assembly, thereby can make mixed air door subassembly can carry out relatively accurate cold and warm air current's export, and through the linkage of A sealing assembly and mixed air door subassembly, can make when driving mixed air door subassembly, can drive A sealing assembly together, at this moment can realize the quick closing and opening of air duct.

This invention belongs to the field of die casting in metallurgical processes, and particularly relates to a method for improving steel ingot yield using high-temperature CO2 gas. The method includes: 1) filling the steel ingot mold and runner with high-temperature CO2 before casting, and preheating the mold and runner to 400-700°C; 2) during casting, after the molten steel enters the ingot mold, the interior of the mold is a sealed space filled with CO2 atmosphere, and the CO2 heated by the molten steel is circulated back to the heat exchange furnace. No protective slag or heating agent is used during the casting process; 3) after casting, during the solidification process of the steel ingot, the high-temperature CO2 gas in the heat exchange furnace is used to replenish the CO2 gas in the ingot mold, resulting in slow solidification of the steel ingot and sufficient riser feeding. The advantages are: using high-temperature CO2 gas as an isolation, heat transfer, and insulation medium, and through a closed circulating heat exchange system, precise temperature and atmosphere control are achieved during the casting and solidification process of the steel ingot. By optimizing feeding and reducing waste, the steel ingot yield can be increased to over 90%.

This invention discloses a method for simultaneous measurement of atmospheric temperature and pressure based on Rayleigh-Brillouin scattering spectroscopy, belonging to the field of lidar. The method includes: emitting a laser in the atmospheric environment to be measured and acquiring the scattered echo signal of the laser; fitting the Rayleigh-Brillouin scattering spectrum of the scattered echo signal in the atmospheric environment to be measured; extracting the overall linewidth Γ of the Rayleigh-Brillouin scattering spectrum; and calculating the number of molecular scattered photons N. s ; will N s Substituting G1 and Γ into the inversion model yields the synchronous measurement results of atmospheric temperature T and pressure p; where G1 represents the atmospheric temperature and the overall linewidth Γ and the number of molecular scattered photons N. s The relationship between pressure and overall linewidth Γ and the number of molecular scattered photons N is expressed as follows: s The relationship between Rayleigh and Brillouin scattering spectra and atmospheric temperature and pressure is fully explored in this invention, establishing a new inversion model that enables accurate and synchronous measurement of atmospheric temperature and pressure.

This invention discloses a stall protection method, device, equipment, and storage medium for an electric drive system. The scheme may include: acquiring the initial temperature of the IGBT module in the motor controller and the starting torque of the motor when the motor enters the starting state; defining a number of time nodes sequentially, with the moment when the motor enters the starting state as the zero point; for the number of time nodes, provided that the empirical temperature rise value of the IGBT module is less than the temperature rise margin, if it is detected that there is no time node in the number of time nodes where the actual speed of the motor exceeds the speed threshold of the motor in the running state, then if the torque of the motor is not zero, the starting state of the motor is maintained; if the torque of the motor becomes zero, the shutdown mode is entered; when it is detected that the empirical temperature rise value of the IGBT module corresponding to a second time node in the number of time nodes is greater than or equal to the temperature rise margin for the first time, the stall condition of the motor is reported, and the motor is shut down.

This application belongs to the field of temperature measuring instrument manufacturing technology, specifically an electronic thermometer for convenient temperature measurement, including a patch, a temperature sensor, a temperature display screen, and a patch fixing mechanism. The patch and temperature sensor are connected via a data cable, and the temperature sensor is connected to the temperature display screen. The patch fixing mechanism includes a mounting frame, a fixing rod, a rotating rod, and a patch assembly. The mounting frame is arc-shaped, and its inner arc surface is fixedly connected to the outer wall of the patch. The mounting frame has a hollow structure, and its inner wall is fixedly connected to both ends of the fixing rod. The outer wall of the fixing rod is through-hole and rotatably connected to the inner wall of the rotating rod. This application uses a patch fixing mechanism to fix the patch to the patient's forehead, allowing the patch to directly contact the patient's forehead without the need for continuous control by a caregiver or medical personnel, thereby ensuring the accuracy of the final temperature measurement.

The application discloses a heat pump drying machine detection system and method, and relates to the technical field of heat pump systems, which comprises the following: an inner temperature and humidity sensor arranged at an evaporator and a compressor; an outer temperature and humidity sensor arranged at a communication position of a heat pump drying machine and a drying chamber; a temperature loss model for simulating the temperature loss of air flowing in the heat pump drying machine through a condenser, the evaporator, a fan, and the inner and outer temperature and humidity sensors, and calculating the temperature loss generated by the condenser, the evaporator and the air flow; and a scheduling unit for determining the adjustment parameters of the condenser, the evaporator and the fan by combining the set temperature and humidity parameters of the control system and the temperature loss generated by the condenser, the evaporator and the air flow. The power of the evaporator and the condenser can be adjusted according to the set temperature of the heat pump drying machine control system when the frost and dirt on the evaporator and the condenser affect heat conduction.

This invention discloses an energy storage tank with a built-in linear water distributor, specifically relating to the field of energy storage tank technology. It includes an energy storage tank body, a water inlet pipe at the top of the body, one end of which is connected to a water distributor mechanism fixedly installed inside the tank body. A control device and a motor are installed on the outer side of the tank body, with a stirring paddle connected to the motor's drive end. An outlet pipe with a control valve is located at the bottom of the tank body. This invention achieves real-time and accurate monitoring of water source temperature and pressure. The temperature detection device can promptly detect temperature anomalies and take measures to ensure stable water quality. Two pressure sensors can accurately determine whether the water inlets of the two distribution pipes are synchronized and whether the flow rates are balanced. Based on this, the control device automatically adjusts the opening of the inlet valve to achieve precise water distribution, reducing local stress concentration and corrosion risks, lowering the probability of tank failure, and extending equipment life.

This utility model relates to the field of jewelry manufacturing technology, specifically disclosing a pickling tank for jewelry production. The tank includes a body with a loading basket suspended from a lifting device via a conveyor belt. An inlet / outlet is located on the top cover of the tank, with a sealing cap at each inlet / outlet. The conveyor belt can move up and down when the sealing cap closes the inlet / outlet. A rotating platform is located at the bottom of the tank, housing an acid tank, an electric heating furnace, and a water tank. The electric heating furnace has electric heating sources on its side walls and bottom. Rotating the rotating platform positions the acid tank or water tank directly below the loading basket. An exhaust system is connected to the tank. A temperature sensor is mounted on the electric heating furnace, and the electric heating sources are connected to a controller, which in turn is connected to the temperature sensor. The electric heating furnace heats the acid tank from the side and bottom, increasing the heating area and improving thermal efficiency. During pickling and washing, the tank is sealed, and the exhaust system extracts the acidic gases, reducing their diffusion.

The utility model relates to the technical field of semiconductor refrigeration, in particular to a high-precision temperature control system adopting two-stage semiconductor refrigeration. The water supply module is used for providing a refrigeration water source; the refrigerating module is used for refrigerating water in the water supply module; the first voltage regulator is used for regulating the voltage at the two ends of the first refrigeration module, controlling the refrigerating capacity of the first refrigeration module and preliminarily controlling the temperature of chilled water, the second voltage regulator is used for regulating the voltage at the two ends of the second refrigeration module and controlling the refrigerating capacity of the second refrigeration module, and the temperature of the chilled water is accurately controlled through the second refrigeration module. The semiconductor refrigeration system is adopted, control is convenient, precision is high, the outlet water temperature precision of the two-stage semiconductor refrigeration system can be controlled within 10 mk, a high-precision temperature control system provides more accurate chilled water supply water temperature for special equipment, and the error between the water supply temperature and the temperature set by a user is reduced to a certain degree.

The invention discloses a temperature detection method, a battery management system, a battery, a device and a storage medium, the temperature detection method is applied to the battery management system, the battery management system comprises a temperature sensor and a temperature sampling chip, and the temperature sensor is connected with the temperature sampling chip. The temperature detection method comprises the following steps: acquiring an initial temperature of a battery cell collected by a temperature sensor; acquiring the working state of the temperature sampling chip; and obtaining the actual temperature of the single battery based on the initial temperature and the working state of the temperature sampling chip. According to the scheme, the accuracy of temperature detection can be improved.

The utility model provides a kind of milk warmer with milk powder dissolving function, for heating liquid in container and auxiliary dissolution powder therein, this milk warmer with milk powder dissolving function is equipped with ultrasonic dissolution component and immersion heating component, the ultrasonic dissolution component is used to generate high-frequency vibration and transmit it to the container to assist in dissolving the powder, the immersion heating component has the heating element component and / or temperature sensor capable of being immersed in the liquid in the container, the heating element component is used to directly heat the liquid, and the temperature sensor is used to measure the temperature of the liquid. The utility model effectively solves the technical problems of separation of milk powder dissolution and milk warming function in the prior art, and the device structure is complex, the noise is large and the compatibility is poor caused by the mechanical shaking method to dissolve milk powder, and at the same time, the technical problems of low efficiency and inaccurate liquid heating temperature in the prior art are solved.

This utility model relates to a pressure-sensitive inflatable and deflated chest and hip support pad, including a base, a control module, and an inflation / deflation assembly. The base is equipped with a chest support airbag assembly and a hip support airbag assembly, which are separately mounted on a first mounting part and a second mounting part of the base. Each airbag is equipped with a monitoring component for sensing internal air pressure and surface temperature, and each airbag is connected to the inflation / deflation assembly. Both the inflation / deflation assembly and the monitoring component are electrically connected to the control module. The control module inflates and deflates the airbags based on the monitoring results, ensuring that adjacent airbags do not deflate simultaneously. The base is equipped with an adjustable height component. This utility model, by real-time monitoring and adjustment of the internal air pressure and surface temperature of the airbags, allows the airbags to better conform to the patient's chest and hips, maintaining appropriate support strength and temperature, and reducing the pressure and discomfort in the chest and hip areas when the patient lies prone for extended periods.

The application provides a kind of unmanned plane medical material temperature control monitoring method and system, the monitoring method includes: in the kernel of unmanned plane deployment eBPF program, mount temperature sensor driving function and store temporarily original temperature data are grabbed, read load factor from eBPF mapping, adjust low priority data aggregation time window;When data meet high priority exception rule, immediately generate exception event and store into special mapping, pack current low priority data and send into ring buffer, there is no exception, then uniformly submit and reset timing after window end, user state program monitors buffer state, real-time updates and writes load factor, priority handles high priority exception event, in turn processes regular data and enters the warehouse, relies on analysis data to complete ground communication and temperature control instruction issuing, drives refrigeration piece to regulate temperature, realizes medical material transportation whole course temperature monitoring and accurate temperature control closed loop management.

This invention discloses an automated hot air separation and desoldering device and process for electronic components, relating to the field of electronic component recycling and repair technology. It includes a frame, a control system, a conveying mechanism, a vision positioning system, a multi-axis motion mechanism, a hot air desoldering head assembly, and a component pickup mechanism. The conveying mechanism, located on the frame, transports the circuit board to be processed to the target station. The vision positioning system, located above the conveying mechanism and electrically connected to the control system, identifies the location and package type of the target component. The multi-axis motion platform is on the frame and above the conveying mechanism. The hot air desoldering head assembly is mounted on the output end of the multi-axis motion mechanism, which moves it to the corresponding position of the target component to be desoldered, heating the solder joint to melt the solder and complete the desoldering. The component pickup mechanism, mounted on the output end of the multi-axis motion mechanism and linked to the hot air desoldering head assembly, separates and picks up the desoldered target component, improving desoldering efficiency, recycling yield, and enhancing the automation of the desoldering process.