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225 results about "Thermal effect" patented technology

The thermal effect refers to the thermal radiations emitted by the body. The thermal effect refers to the heat lost by the body or object. The removal of heat by cooling towers is an example of thermal effect as cooling tower is a body from which heat is being lost or removed due to thermal effect. 3.0.

Special-shaped curved glass laser cutting track planning method

The invention belongs to the technical field of laser processing, and particularly relates to a special-shaped curved glass laser cutting track planning method. According to the method, the instantaneous thermal effect and the historical thermal accumulation effect are subjected to coupling calculation, high-precision prediction and compensation of thermal deformation in the laser cutting process are achieved, the accuracy of the cutting track is improved, contour deviation caused by thermal deformation is avoided, and the geometric precision is improved; according to the local geometric complexity of the special-shaped curved glass, regions are divided, and differential virtual scanning layers and scanning modes are matched, so that the dynamic balance of efficiency and precision is guaranteed, the processing quality of regions with high curvature, thin walls and the like is guaranteed, the cutting speed of flat regions is increased, and the processing period is shortened; by monitoring the temperature and feeding back actual thermal historical parameters during cutting, model parameters are reversely optimized by using contour precision data after cutting is completed, so that robustness and stability are enhanced, and the yield and process reliability of laser cutting of the special-shaped curved glass are improved.
Owner:ZHONGSHAN GUANGDA OPTICAL INSTR CO LTD

Power distribution equipment state intelligent diagnosis system and method

The invention relates to the technical field of electrical equipment monitoring, in particular to a power distribution equipment state intelligent diagnosis system and method, and the system comprises a current fluctuation detection module, a voltage stability evaluation module, a heat effect diffusion analysis module, a fault point positioning module and an equipment state evaluation module. According to the invention, through extracting current change characteristics of key nodes and judging continuity of fluctuation differences, rapid identification of current anomalies can be realized, a voltage distortion region and a distribution range thereof can be positioned in combination with phase deviation and symmetry change of voltage waveforms, and the current anomalies can be identified based on a temperature gradient path and jump point screening. A hot spot diffusion trend and a thermal disturbance boundary can be described, morphological analysis and coordinate labeling are performed on the basis of multiple fault areas, multi-point concurrent positioning is realized, association between thermal disturbance and connection defects is identified in combination with temperature difference and current path change characteristics, fault diffusion trends and state disturbance blocks can be accurately presented, and the accuracy of fault diagnosis is improved. And the power distribution state identification and intervention efficiency is improved.
Owner:JINCHANG JINHONGGUANG ELECTRICAL EQUIP CO LTD

Self-adaptive temperature curve control system for vacuum casting of high-temperature alloy

The invention relates to the technical field of intelligent control, and discloses a self-adaptive temperature curve control system for high-temperature alloy vacuum casting, which comprises a sensing module, a control module and a control module, and is characterized in that the sensing module acquires multi-point temperature information and preprocesses the information to obtain temperature distribution in a furnace; the acquisition module obtains vacuum environment parameters. The simulation module establishes a three-dimensional dynamic coupling model based on heat conduction, radiation, convection and phase change heat effect, and obtains a real-time temperature evolution prediction result. The generation module obtains a target temperature curve of the corresponding stage. The prediction control module collects a real-time temperature evolution prediction result and a target temperature curve, deviation calculation and trend analysis are carried out, and a heating power and cooling flow control instruction is generated. And collecting product feedback errors and carrying out self-learning correction on prediction model parameters to obtain an optimized control output result. The control and optimization of the high-temperature alloy vacuum casting temperature field are realized, and the structure uniformity of castings and the quality stability of finished products are improved.
Owner:SANHE HUADUN ALLOY MATERIALS CO LTD

Split type direct current charging pile liquid cooling heat dissipation system

The invention provides a split type direct-current charging pile liquid cooling heat dissipation system, and belongs to the technical field of direct-current charging piles, a closed liquid cooling circulation system is constructed through equipment such as a liquid cooling circulation pump, a radiator assembly and a temperature sensor array, and active temperature control is realized by adopting a temperature pre-adjusting module as a core. The system firstly collects power and temperature data to establish a power heat effect function to describe a power-temperature relationship, and extracts temperature time sequence characteristics through a heat situation sensing model by adopting an improved time sequence convolutional network to configure a self-adaptive receptive field adjustment mechanism to capture different time scale change modes; and constructing a double-layer optimization framework in combination with a temperature control game model to solve a Nash equilibrium solution, and calculating an optimal cooling adjustment vector including advanced cooling time and cooling power parameters. And a change curve is generated through real-time monitoring and dynamic correction and is converted into a control instruction, the frequency converter is controlled to adjust the rotating speed of the circulating pump and the opening of the flow valve, and advanced adjustment before temperature change is achieved to eliminate response lag.
Owner:QINGDAO HIGH TECH COMM

Method for synchronously and progressively correcting heat effect and stripe noise based on RBF (Radial Basis Function) curved surface

The invention discloses a heat effect and stripe noise synchronous progressive correction method based on an RBF curved surface. The method comprises the following steps: acquiring a degraded image; performing gray processing on the degraded image to obtain a gray degraded image; performing guided filtering processing on the gray scale degraded image to obtain a filtered thermal radiation effect estimation image; constructing an RBF kernel matrix according to the thermal radiation effect estimation image and the RBF kernel function, and solving a weight coefficient in combination with a pixel gray vector of the thermal radiation effect estimation image; multiplying the solved weight coefficient by the RBF kernel matrix to generate an RBF thermal radiation effect curved surface; estimating stripe noise through a stripe operator based on the degraded image and the RBF thermal radiation effect curved surface; according to the RBF thermal radiation effect curved surface and the stripe noise, a potential clear image is restored through a synchronous progressive correction optimization algorithm. According to the invention, the thermal radiation effect and possibly accompanied stripe noise of the image can be simply and efficiently removed.
Owner:WUHAN INST OF TECH

Urban ventilation corridor construction method based on local climate region classification and remote sensing inversion

The invention discloses an urban ventilation corridor construction method based on local climate region classification and remote sensing inversion, and belongs to the technical field of urban climate regulation and space optimization. According to the method, a multi-scale urban thermal environment analysis framework is constructed, a coupling mechanism of an urban form and a thermal effect is systematically identified from macroscopic, mesoscopic and microscopic levels, and fine modeling and regulation and control path identification of the thermal environment are realized. Meanwhile, in combination with machine learning and interpretability analysis methods, scientificity and transparency of thermal environment driving factor identification are enhanced. Through combination of remote sensing inversion, morphological factor construction and three-dimensional analogue simulation, a complete technical path of cold source identification, resistance modeling, path optimization and microclimate response evaluation is provided, and the aeration-cooling potential identification capability of blue-green infrastructures is effectively improved. The method is suitable for wind gallery planning and climate adaptation type update design of various urban spaces, and has wide popularization and application prospects.
Owner:ZHEJIANG UNIV OF TECH

Method for measuring focus heat effect and heat damage of Raman probe

The invention discloses a method for measuring the focus heat effect and the heat damage of a Raman probe. The method comprises the following steps: S1, establishing a stable laser output system, and configuring a proper optical focusing system; s2, heating the standard sample to a target temperature according to a preset step length, keeping for several minutes at each target temperature, and performing spectral measurement on the standard sample by using a Raman spectrometer; s3, in the Raman spectrum measurement process, carrying out real-time temperature monitoring on the surface of the standard sample, and carrying out normalization processing on collected Raman spectrum data; s4, establishing a quantitative relation model between the relative intensity change characteristic # imgabs0 # of the Raman spectrum and the temperature T; and S5, predicting the temperature T of the standard sample under the current preset parameters according to the model, and adjusting the measurement parameters according to the prediction result, so that the predicted temperature T is lower than the temperature threshold value of the to-be-detected sample. According to the method, the thermal effect of the laser can be predicted before Raman measurement, proper measurement parameters are set in advance, and thermal damage to a measured sample is avoided.
Owner:SHANGHAI OCEANHOOD OPTO ELECTRONICS TECH CO LTD

Fault early warning detection system for notebook mainboard

The invention discloses a fault early warning detection system for a notebook mainboard, and relates to the technical field of electronic detection. The signal acquisition module is used for acquiring temperature and vibration acceleration signals of a main board BGA welding spot; the damage characteristic calculation module is used for calculating the heat effect index and the vibration intensity of the welding spot; the crack prediction module is used for constructing a crack dynamic function based on the thermal effect index and the vibration intensity and calculating the crack growth degree; the risk assessment module is used for calculating a comprehensive risk prediction value according to the crack growth degree in combination with the temperature and the vibration sudden change rate; the root cause analysis module is used for identifying dominant failure factors through a gradient analysis method and outputting failure mode classification; and the dynamic suppression module is used for dynamically adjusting heat, vibration or creep coping measures of the welding spots based on failure mode classification. Through thermal-mechanical coupling damage extraction, crack dynamic modeling and multi-parameter risk grade assessment capabilities, welding spot early damage identification and operation risk early warning can be realized.
Owner:SHENZHEN ZHISHENG COMPUTER CO LTD

Infrared bidirectional heat effect simulation method based on radiation intensity and GPU acceleration

The invention discloses an infrared bidirectional thermal effect simulation method based on radiation and GPU acceleration, and belongs to the field of thermal radiation simulation and parallel computing. Dispersing the complex geometry into patch units, constructing an inter-patch radiation energy balance equation based on a radiance theory, and iteratively solving the final temperature of the patches through a radiance method; a three-level parallel strategy of a task level, a data level and an instruction level is designed, data intensive tasks such as shape factor calculation and radiance iteration are migrated to a GPU to be executed, data storage is optimized in combination with a structure array (SoA) layout and a sparse matrix compression technology, and efficient data sharing of a CPU end and a GPU end is achieved through a CUDA zero copy technology. According to the method, the dependence of a traditional method on regular grids is broken through, the calculation efficiency and precision of million-level surface patch heat radiation transmission in a complex scene are remarkably improved, and an efficient tool is provided for heat radiation indirect transmission calculation and a global illumination model in the field of three-dimensional scene infrared simulation.
Owner:ZHEJIANG UNIV

Carbon dioxide laser beam shaping method

The invention relates to the technical field of laser beam shaping, discloses an active test method and system for a circuit breaker, and is used for solving the problem that the self-adaptive shaping capability of a CO2 laser beam is difficult to improve by the existing method. Firstly, a stable light path is constructed, and the stability of the light path is ensured through mechanical limiting, a thermal management module and multi-stage optical alignment; then low-power calibration is carried out, a deformable mirror initial driving table is generated through a least square inversion algorithm, and a flat-topped beam reference is established; data are collected through a wavefront sensor, a high-order mode is reconstructed, the voltage of a deformable mirror is dynamically refreshed, and wavefront control and scanning motion synchronization is ensured in combination with scanning galvanometer time sequence synchronization, closed-loop control and exception handling; monitoring the temperature of the deformable mirror, starting water-cooling adjustment, and correcting the driving table to cope with the heat effect; finally, a safety system is constructed, laser power, wavefront distortion and deformable mirror stroke parameters are monitored, dry gas purging is conducted on the diffractive optical element regularly, and safety guarantee and performance verification of the whole process are achieved.
Owner:WUHAN LIGENESIS TECH CO LTD

Multi-waveform magnetic field generating device for magnetic hyperthermia

The invention provides a multi-waveform magnetic field generating device for magnetic hyperthermia. The multi-waveform magnetic field generating device comprises a power supply module, a BUCK voltage regulating circuit, a multi-waveform signal generating circuit, a power amplifying circuit, a series resonance inverter circuit, an induction coil, a water cooling module, a temperature acquisition module, a DSP microprocessor and a TFT display screen. The power supply module is combined with BUCK to supply power to the device; the multi-waveform signal generation circuit, the power amplification circuit and the series resonance inverter circuit are used for generating an alternating magnetic field to act on a magnetic medium to generate a heat effect and realize magnetic hyperthermia; the water cooling module is used for reducing the temperature of the induction coil; the temperature acquisition module acquires temperature data of a treatment area and performs output control on the Buck voltage regulation circuit by using the DSP microprocessor so as to regulate the output power of the power amplification circuit powered by the BUCK voltage regulation circuit and realize intelligent temperature control of the magnetofluid; the problems that in the prior art, a magnetic field generation device is single in induction waveform and poor in heat generation effect are solved.
Owner:FUZHOU UNIV

Biological material supercooling storage system and working method thereof

The invention discloses a biological material supercooling storage system and a working method thereof. The biological material supercooling storage system comprises a sample carrier for storing and placing a biological material; the sample cavity is used for providing a subcooled storage environment of-30 to-5 DEG C for the biological material; the temperature control module is used for providing a controllable cooling rate for the interior of the refrigeration module, the cooling rate is greater than 2 DEG C / min in a temperature interval of above 5 DEG C, the cooling rate is 1-2 DEG C / min in a temperature interval of 0-5 DEG C, and the cooling rate is less than 1 DEG C / min in a temperature interval of below 0 DEG C; the electromagnetic excitation module is used for generating a low-frequency to very high-frequency 50Hz-300MHz electromagnetic field in the sample, and inhibiting the formation and growth of ice crystals in the sample by using the non-thermal effect of the electromagnetic field; the cooperative control module is used for achieving cooperative control over the cooling rate, the supercooling temperature and the electromagnetic field intensity so as to maintain long-term storage of the samples in a liquid state at the supercooling temperature, the storage temperature of the biological materials is reduced, meanwhile, the biological materials are not frozen, and liquid-state storage of the biological materials with different sources and different sizes at the low temperature can be achieved.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA +1

Temperature calibration method and system for temperature measuring device

The invention relates to the field of detection of temperature measuring devices, in particular to a temperature calibration method and system for a temperature measuring device, and the method is executed in an automatic system, and comprises the following steps: fixing a temperature measuring device to be calibrated and a reference temperature device on a heat conduction substrate in a coplanar manner; the temperature of the cavity is adjusted to a preset calibration point through a temperature control system, and heat balance dynamic judgment is executed; at least two bias currents with different amplitudes are applied to a to-be-calibrated temperature measuring device, corresponding original voltage signals are collected, a zero-power theoretical resistance value for eliminating the influence of the self-heating effect is calculated based on the original voltage signals, a corresponding reference temperature T is adopted as a data pair, parameter fitting is conducted on the resistance-temperature relation model, and the temperature measuring device is calibrated. A temperature correction calculation formula is established, a synthesis uncertainty evaluation model is established, each uncertainty source is analyzed and synthesized, and the synthesis uncertainty is calculated and output. According to the method, the risk of calibration failure caused by thermal stress or environmental interference is reduced.
Owner:ZHEJIANG KUN TENG INFRARED TECH CO LTD

Back contact solar cell, preparation method thereof and photovoltaic module

The invention discloses a back contact solar cell, a preparation method thereof and a photovoltaic module, and relates to the field of photovoltaic technology. According to the preparation method of the back contact solar cell provided by the invention, the grid line groove is formed in the first passivation layer by using the deep ultraviolet laser, and the deep ultraviolet laser has relatively high photon energy which is higher than chemical bond energy of a passivation layer material, so that chemical bonds can be broken through a photochemical effect instead of depending on a thermal effect to melt the material. The heat affected zone of deep ultraviolet laser grooving is small, generated thermal stress is small, and edge warping of the first passivation layer caused by thermal expansion difference can be restrained. The metal seed layer formed through subsequent deposition can be well attached to the inner surface of the grid line groove and the outer surface of the first passivation layer in the grid line area, the metal seed layer is good in integrity and has good adhesive force, and the manufactured back contact solar cell has good reliability and cell performance.
Owner:TONGWEI SOLAR ENERGY (CHENGDU) CO LID +1

OLED display life evaluation method and system

The invention relates to the technical field of OLED (Organic Light Emitting Diode) detection, in particular to a method and a system for evaluating the service life of an OLED display. Each area can be independently monitored, errors caused by limitation of overall testing are avoided, the working state of each area can be comprehensively known by obtaining multiple data such as color brightness, current density and temperature, the influence of the heat effect on the service life of a displayer can be more accurately estimated by calculating the heat fatigue strength, and the service life of the displayer is prolonged. The performance of the display under different use conditions can be better understood by calculating the erosion factor, the degradation rate of the OLED display material can be more accurately evaluated by integrating the environmental erosion factor and the thermal fatigue strength, and an accurate life prediction value can be provided for each region by combining the brightness decay rate, the color offset and the material degradation rate, so that the service life of the OLED display can be accurately predicted. The service life prediction values of a plurality of areas are integrated, so that the overall service life of the display is evaluated more accurately, and inaccurate prediction under a unified standard is avoided.
Owner:SHENZHEN XIAOYANG INTELLIGENT DISPLAY TECHNOLOGY CO LTD

Lunar dust interference effect test platform suitable for vacuum environment and use method thereof

The invention discloses a lunar dust interference effect test platform suitable for a vacuum environment and a use method of the lunar dust interference effect test platform, and relates to the technical field of aerospace engineering ground simulation tests.The platform comprises a vacuum container system, a measuring system and a dustproof system; maintaining the normal-pressure and normal-temperature working state of the camera; the measurement system integrates a P IV camera, three high-speed cameras and a heat flow sensor, and realizes the multi-dimensional measurement of the moony dust excitation height / speed / impact range, the erosion pit three-dimensional reconstruction and the engine aerodynamic heat effect. The dustproof system adopts a high-transmittance acrylic dustproof cover and a vacuum gauge for differential pressure monitoring, so that lunar dust is prevented from polluting the heat sink, and the safety of the cover body is protected. The problems of pollution and single measurement of a vacuum system in the prior art are solved, multi-physical-quantity collaborative testing is achieved, key test data are provided for design of the lunar lander, and the method has engineering application value.
Owner:BEIHANG UNIV

Wind driven generator blade deicing system and phase change microcapsule coating spraying process

The invention provides a wind driven generator blade deicing system and a phase change microcapsule coating spraying process, and relates to the technical field of wind power generation equipment protection, the deicing system comprises a heating module, a spiral flow guide rib, a phase change microcapsule coating and a control module; the heating module comprises a heating piece and a fan communicated with the heating piece; the spiral flow guide rib is used for forming a rotational flow air duct, so that hot air formed by heating of the heating module forms rotational flow air flow; the phase change microcapsule coating is at least coated on the wall surface of the inner cavity of the blade; the control module is in communication connection with the heating piece and the draught fan and is configured to adjust the rotating speed of the draught fan and the heating power of the heating piece at least according to the state of the phase change microcapsule coating. The deicing system improves the heat transfer efficiency, enables hot air to effectively cover all areas of the blade, prolongs the residence time of the hot air in the inner cavity of the blade, and improves the hot air utilization rate. And the phase change microcapsule coating and the rotational flow airflow have a synergistic thermal effect, so that the temperature of the wall surface of the blade is effectively, quickly and uniformly increased, and the deicing efficiency is improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Gas heat conductivity coefficient measurement data processing method, device, equipment and medium

The invention relates to the technical field of gas heat conductivity coefficient measurement, and provides a gas heat conductivity coefficient measurement data processing method, device and equipment and a medium, and the method comprises the following steps: obtaining hot-wire temperature rise experiment data of hot-wire temperature rise along with time change measured by a transient hot-wire method experiment; the hot line temperature rise experiment data are corrected through a theoretical correction model, corrected theoretical temperature rise data are obtained, and the theoretical correction model is derived based on a physical model considering the hot line limited heat capacity and the radiation heat exchange effect; and determining the heat conductivity coefficient of the detected gas based on the corrected theoretical temperature rise data. According to the technical scheme, a test data processing correction method is provided, and the accuracy of a test result is improved.
Owner:NUCLEAR POWER INSTITUTE OF CHINA

Energy saving amount prediction and energy efficiency optimization method in simulation environment

The invention relates to the technical field of energy-saving optimization, in particular to an energy-saving quantity prediction and energy efficiency optimization method in a simulation environment, and the method achieves the real-time correction through defining a dynamic simulation-field mismatch factor and comparing a simulation predicted cooling capacity with an actually measured cooling capacity, and guarantees that the energy-saving prediction is closer to a real field operation state. And a thermal inertia-exogenous driving response index is designed, and the dynamic response of passenger flow disturbance to the cooling capacity demand is quantified, so that the heat storage effect and control lag of the building are explicitly described, and the physical reasonability of prediction is improved. A simulation consistency-hydraulic matching index and a thermal inertia response index are fused into a core feature, a coupling penalty factor is introduced, a measurable credibility function is formed, and a risk boundary is provided for energy-saving prediction. Based on the corrected simulation energy consumption difference, energy-saving quantity point estimation is calculated in combination with core characteristics, an instant energy-saving predicted value is output, interval prediction can be expanded, and the requirements of operation and maintenance decision making and energy-saving auditing are met.
Owner:NANJING DEEPCTRLS TECHNOLOGIES CO LTD

thermal cover (2)

1. The name of the design product: thermal cover (2). 2. The use of the design product: cover for wrapping outside the hot water bag to play a thermal effect. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
Owner:胡安芬

Inflow temperature calculation method and device for coupling oil reservoir-wellbore model

The invention discloses an inflow temperature calculation method and device for a coupled oil reservoir-wellbore model.The inflow temperature calculation method comprises the steps that firstly, for an oil reservoir grid corresponding to a wellbore section, a radial flow area from the equivalent radius of the oil reservoir grid to the well wall is defined; secondly, a radial steady-state temperature second-order ordinary differential equation describing temperature distribution in the area is established, and the equation comprehensively takes heat convection, viscous dissipation caused by pressure gradient, Joule-Thomson effect, heat conduction and other micro heat effects into account; thirdly, setting boundary conditions for coupling the oil reservoir and the wellbore state for the equation; and finally, solving the equation with complete configuration to obtain radial temperature distribution, and determining the temperature at the well wall as the accurate inflow temperature. Compared with the prior art, the method has the advantages that the inflow temperature model with more complete mechanism and more accurate solution is established, so that the accuracy and reliability of output profile inversion interpretation are remarkably improved.
Owner:GUIZHOU SHALE GAS EXPLORATION & DEV CO LTD

Experimental device for coupling sky cold and hot radiation effects and control method thereof

The present application relates to the technical field of building thermal test, and provides an experimental device for coupling sky cold and hot radiation effects and a control method thereof.The device comprises a first radiation cooling component, a solar radiation component and an air cooling component, the first radiation cooling component is obliquely arranged on both sides and connected at the top to form a detection space, the air outlet of the air duct of the air cooling component is located at the bottom of the components on both sides, the air return port is opposite to the top, and the solar radiation component is fixed in the air duct away from the detection space on one side.The present application cooperatively arranges the obliquely combined first radiation cooling component, the air cooling component with air supply at the bottom and air return at the top, and the solar radiation component arranged in the air duct in isolation, constructs a detection environment balanced in cold and hot radiation, realizes coupling simulation of solar radiation heat effect and sky radiation cold effect, can more accurately test the performance of energy production type building envelope components, and solves the technical problem that the existing building thermal test device has low test precision and cannot meet the performance evaluation of energy production type building envelope components.
Owner:SOUTH CHINA UNIV OF TECH

Plateau lake evaporation remote sensing calculation method considering terrain and water body heat storage effect

The invention discloses a plateau lake evaporation remote sensing calculation method considering terrain and a water body heat storage effect, and belongs to the technical field of surface evapotranspiration quantitative remote sensing inversion. According to the method, high-precision estimation of the evaporation capacity of the plateau lake is realized through an adjacent terrain effect and a water body layered heat transfer process. Firstly, a remote sensing image, meteorological data and a digital elevation model are acquired and preprocessed; then calculating a sky visual factor and a terrain configuration factor of terrain correction, and quantifying the influence of the terrain on radiation transmission; simulating water temperature distribution of different depth layers of the lake by using a one-dimensional heat transfer equation, and accurately calculating the heat storage flux of the water body; and finally realizing spatialization estimation of the evaporation rate by combining an energy balance equation and meteorological parameters. The method innovatively solves the key problem that a traditional evaporation model neglects a terrain effect and water body heat storage when applied to plateau lakes, and provides reliable technical support for plateau area water resource management and ecological protection.
Owner:KUNMING UNIV OF SCI & TECH

Temperature measurement diagnosis method and system based on box-type substation

The invention relates to the technical field of electrical equipment diagnosis, and discloses a temperature measurement diagnosis method and system based on a box-type substation, and the method comprises the following steps: S1, obtaining the partial discharge data, current data and temperature data of the box-type substation; s2, establishing a partial discharge and temperature correlation model according to the partial discharge data and the temperature data; establishing a current and temperature mapping relation according to the current heat effect of the current data; and S3, establishing a processing model according to the partial discharge and temperature correlation model, the current and temperature mapping relation and the temperature data, inputting the partial discharge data, the current data and the temperature data into the processing model, and outputting a diagnosis result and a linkage control signal by the processing model. The problem of low accuracy of temperature measurement diagnosis in the prior art is solved.
Owner:广东正超电气有限公司

Lightning stroke positioning method and system

The invention discloses a lightning stroke positioning method and system, relates to the technical field of power system safety protection, and solves the problem of large lightning stroke positioning error in a general scheme. An initial lightning stroke positioning clue is provided through electromagnetic wave data, the Joule heating effect of a discharge point is captured through infrared thermal imaging, non-lightning stroke condition interference is eliminated through a vibration spectrum, and under three-mode physical quantity complementation, multi-dimensional characteristics such as electromagnetic radiation, energy release and mechanical shock when the power transmission line is struck by lightning can be represented; bayesian fusion probability calculation is carried out based on the characteristics, so that more accurate lightning stroke points can be obtained, and protection starting and first-aid repair of a subsequent power system are facilitated.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD

Intelligent control method for hydraulic system in white spirit production based on heat effect analysis

The invention discloses an intelligent control method for a hydraulic system in white spirit production based on heat effect analysis, and belongs to the technical field of control, and the method comprises the steps: obtaining the environment temperature, the current oil temperature, the production plan data of a future time period, and the operation parameters of the hydraulic system; based on the production plan data, the operation parameters of the hydraulic system and a pre-constructed production-hydraulic action load table, determining thermal load power loss in a future time period; based on the heat load power loss in the future time period, the current oil temperature and the environment temperature, a heat dissipation control strategy is determined, and the heat dissipation control strategy is one or more of air cooling heat dissipation, water cooling heat dissipation and production takt adjustment; and generating a temperature control instruction according to the heat dissipation control strategy. According to the invention, the oil temperature is cooled and adjusted in advance, the action is avoided after the oil temperature is ultrahigh, and the fluctuation of the oil temperature is small.
Owner:LUZHOU VOCATIONAL & TECHN COLLEGE

Construction method of urban ventilation corridors based on local climate zone classification and remote sensing inversion

The method for constructing urban ventilation corridors based on local climate zone classification and remote sensing inversion belongs to the technical field of urban climate regulation and space optimization. The present application constructs a multi-scale urban thermal environment analysis framework, from macro, meso to micro level, to identify the coupling mechanism of urban form and thermal effect, and to realize the fine modeling and regulation path identification of thermal environment. At the same time, combined with machine learning and explainable analysis method, the scientificity and transparency of thermal environment driving factor identification are enhanced. Through remote sensing inversion, form factor construction and three-dimensional simulation simulation, a complete technical path of "cold source identification-resistance modeling-path optimization-microclimate response evaluation" is put forward, which effectively improves the ventilation and cooling potential identification ability of blue-green infrastructure, and is suitable for ventilation corridor planning and climate adaptive updating design of various urban spaces, and has wide application prospect.
Owner:ZHEJIANG UNIV OF TECH

Infrared quartz scanning field lens with large image plane

The utility model relates to the technical field of scanning field lenses, in particular to an infrared quartz scanning field lens with a large image plane. The infrared quartz scanning field lens with the large image plane comprises a diaphragm and an image plane, a field lens is installed between the diaphragm and the image plane, and the field lens comprises six lenses which are coaxially arranged in sequence, are made of fused quartz glass materials and have the refractive index of 1.46; infrared laser emitted by the infrared quartz scanning field lens with the large image plane has a heat effect, the scanning image plane is enlarged under the condition that it is guaranteed that edge focusing light spots are not distorted, machining actions such as punching, cutting and marking can be conducted on a workpiece in a large range, and the machining speed of infrared laser machining is greatly increased.
Owner:ANHUI RENHE ELECTRONICAL TECH CO LTD

Temperature sensor and monitoring method for ultrasonic spray pyrolysis for molybdenum powder production

PendingCN122329515AThermal effectPhysics
This application belongs to the field of temperature measurement and sensing technology, specifically disclosing a temperature sensor and monitoring method for preparing molybdenum powder by ultrasonic spray thermal decomposition. The sensor includes a main body, a thermal compensation channel, a porous permeation element, and first and second temperature measuring units. The thermal compensation channel is located inside the main body and is used to preheat the purging gas by conducting heat through the main body. The porous permeation element is located at the end of the main body, the first temperature measuring unit is located on its inner wall, and the second temperature measuring unit is located in the hollow cavity inside the main body. This application eliminates the supercooling error introduced by low-temperature gas through the thermal compensation channel, prevents particle scaling by utilizing the dynamic gas film formed by the porous permeation element, and constructs a differential measurement system based on dual temperature measuring units to effectively eliminate background high-temperature radiation interference, achieving highly sensitive in-situ monitoring of the thermal effect of gas-solid interface reaction in a high-temperature aerosol environment.
Owner:RISING RARE METCHEM CO LTD

An integrated, high-efficiency heat exchange solid-state hydrogen storage system

This utility model discloses an integrated high-efficiency heat exchange solid-state hydrogen storage system, relating to the field of solid-state hydrogen storage technology. It includes a hydrogen storage core module, a heat exchange circulation module, and a pressure control module. This integrated high-efficiency heat exchange solid-state hydrogen storage system utilizes a spiral heat exchange tube bundle tightly fitted to the outer wall of the hydrogen storage container, greatly increasing the heat exchange area and significantly improving heat exchange efficiency. This effectively solves the temperature control problem caused by thermal effects during hydrogen absorption and desorption of solid-state hydrogen storage materials. The built-in electric heating element actively provides the heat required for desorption, ensuring the stability and speed of the hydrogen release process. The pressure control module can accurately stabilize the inlet pressure, avoiding the impact of pressure fluctuations on the hydrogen storage material and improving system safety. Simultaneously, the system has high integration and a compact structure, enhancing protection capabilities. Through uniform hydrogen flow and efficient thermal management, it comprehensively improves hydrogen storage density, hydrogen charging and discharging rates, and system operational stability.
Owner:GUANGDONG JIAYI HUA HYDROGEN TECHNOLOGY CO LTD