94 results about "Cold spot" patented technology

The invention relates to the technical field of building environment temperature control, and discloses a temperature control equipment intelligent adjusting method and system based on machine learning, and the method comprises the steps: building a space thermal field sensing network, obtaining multi-dimensional temperature field data, and generating a temperature gradient distribution matrix; and the positions of cold and hot spots are calibrated by combining infrared temperature measurement data, an airflow path is predicted, and air supply parameters are optimized. Meanwhile, building heat capacity characteristics are analyzed, and a thermal response dynamic model is constructed. And the air supply direction is adjusted for the local supercooling area. And based on the temperature change rate and the air supply parameters, the equipment start-stop time is optimized. Through real-time temperature sampling, continuous updating of temperature gradient distribution, cyclic execution of cold and hot spot calibration, airflow prediction and air supply optimization, accurate control of space temperature is realized. According to the invention, the accuracy and energy efficiency of building space temperature adjustment can be obviously improved, and an innovative solution is provided for an intelligent temperature control system.

A hotspot data elimination and maintenance method in a distributed cache system comprises the steps that the access frequency, the time locality score, the service weight and the real-time data popularity value of data are acquired, and the dynamic priority score of the data is generated; determining failure data based on the dynamic priority score; dividing the data into hot spot area data, temperature spot area data and cold spot area data, when the cache space is insufficient, preferentially eliminating the data with the lowest dynamic priority score and the retention benefit value lower than a preset threshold value in the cold spot area data, and if the cache space is still insufficient, performing data elimination on the temperature spot area data according to the latest access time of the temperature spot area data; packaging the cold point area elimination data, the warm point area elimination data and the failure data into a final transaction message; and broadcasting the final transaction message through a preset protocol, and performing distributed consistency maintenance operation on the final transaction message through the receiving node. According to the invention, intelligent and efficient cache data elimination and consistency maintenance management can be realized.

The invention is suitable for the technical field of ecological space planning, and provides an ecological protection priority area identification method considering time dynamics, which comprises the following steps: acquiring spatial distribution data of a research area and preprocessing the spatial distribution data; selecting ecological system service indexes, and evaluating and standardizing the indexes according to the preprocessed data; calculating the importance of the standardized index values in an equal weight superposition mode and performing standardization processing; calculating an ecological system service urgency index; performing cold and hot spot analysis on the ecological system service urgency index, extracting a cold spot region, determining a minimum area threshold by using a piecewise linear regression method, and extracting plaques greater than the minimum area threshold as an ecological protection priority region. According to the method, the ecosystem service urgency index is constructed through the ecosystem service importance of multiple time sequences, the problem that the change of the ecosystem service function along with time in the prior art is ignored is effectively avoided, and the method has important significance for promoting the sustainability of regional ecological protection planning.

The invention discloses a water resource optimization scheduling method based on water and soil resource space coupling, and the method comprises the steps: dividing an agricultural land of a target region into grid units, collecting the basic data of each grid unit, calculating a water and soil resource space coupling evaluation index value based on the grid units and the basic data, and carrying out the water and soil resource space coupling evaluation index value. The water and soil resource coupling degree of each grid unit is calculated, and a hot spot area and a cold spot area of water and soil resource space coupling are identified by adopting a spatial autocorrelation analysis method; on the basis of hot spot region and cold spot region division distribution, determining a water resource optimization scheduling region and a regulation and control method by combining a water land resource space coupling evaluation index value; fine management and efficient utilization of water and soil resources are achieved, and the method has important significance in improving the utilization efficiency of agricultural water resources and promoting agricultural sustainable development.

The invention belongs to the technical field of silicon steel processing, and discloses a silicon steel coil annealing furnace and a control method thereof, by accurately controlling the heating power of each part and optimizing the flow path of protective gas, the protective gas can be preheated to avoid the formation of local cold spots, and the production efficiency is improved. Heat of the lower end and the outer side of the silicon steel coil can be efficiently transmitted to the upper end and the inner side of the silicon steel coil through airflow, and therefore the temperature deviation between the upper end and the lower end and between the inner side and the outer side of the silicon steel coil is reduced; the problems that a traditional annealing furnace is uneven in temperature distribution and local cold points are formed are effectively solved, and the annealing furnace has the advantages of improving the temperature uniformity of the silicon steel coil, achieving accurate temperature control, improving the annealing effect and improving the quality and performance of the silicon steel coil.

A device is described herein for performing capsulotomies that improves temperature uniformity and current flow around a cutting element of the device. The device includes a series of features whose geometries help remove cold and / or hot spots from the cutting element while maintaining the mechanical strength of the cutting element. In an embodiment, a device includes a cutting element and one or more electrical leads for providing an electrical discharge to the cutting element. The device further includes wire tabs configured to conductively couple an electrical lead to cutting element. Each wire tab includes a central conductive path and one or more conductive shunt paths conductively separated by one or more slots. The device further includes anchor tabs that are each associated with a slot disposed along the circumference of the cutting element and positioned to at least partially separate an anchor tab from a portion of the cutting element.

The invention discloses an electric heating and heat preservation system and method for a deep-sea gas production seabed wellhead flow channel cold point, which are used for solving the problems of natural gas hydrate generation and paraffin precipitation blockage caused by low temperature and throttling of a deep-sea gas production underwater wellhead and an underwater gas production tree flow channel and ensuring efficient and stable operation of deep-sea gas production operation. An electric heating and heat preservation system for a deep sea gas production seabed wellhead flow channel cold point comprises a cold point positioning system, an electric heating device and a control system. The cold spot positioning system performs real-time data acquisition and preprocessing by constructing a temperature sensor network for key cold spots of an underwater christmas tree runner, quantifies the positions and risk levels of the cold spots in combination with a probability statistical model, and provides an accurate targeted heating basis for the distribution positions of electric heating devices. A heating element of the electric heating device is arranged in a cold point area of an underwater christmas tree flow channel; the control system obtains data measured by the temperature sensors in the cold spot areas in real time, and whether the corresponding heating elements are started or not is determined according to the data.

The invention relates to the technical field of image processing, and relates to a reclaimed water source heat pump heat supply system fault identification method comprising the following steps: obtaining an infrared image of a key part in a reclaimed water source heat pump heat supply system, and determining a local hot spot or cold spot in the infrared image of the key part according to an image processing algorithm; performing temperature distribution detection by taking the hot spot as a center, and determining a temperature gradient of a surrounding area of the hot spot and a temperature difference value of the hot spot and an adjacent area; determining a first fault type and a first fault degree according to the change rate and the temperature difference value of the temperature gradient of the hot spot and the adjacent area; and responding to the condition that the first fault degree is greater than a first fault threshold, generating a corresponding fault report according to the position of the key part, the fault type and the fault degree, and starting alarm. According to the scheme, accurate alarm of faults is achieved, and the safety and reliability of a heat supply system can be improved.

An apparatus can include an optical sensor and a controller configured to monitor the optical sensor and provide an indication of a refrigerant leak. The optical sensor can view at least a portion of an evaporator, a condenser, a prime mover, associated plumbing, or any combination thereof. The optical sensor can be a thermal optical sensor, such as those using infrared imaging technology. The optical sensor can provide an indication of different temperatures across a field of view of the optical sensor. The controller can analyze the different temperatures across the field of view and identify a cold spot and / or a temperature gradient in the field of view.

Provided in the present invention are a cooling module and an oven. The cooling module is internally provided with a cooling chamber, the cooling module is formed with a communicating position for communicating the cooling chamber with the outside, the cooling module is provided with a cold-spot heating device, and the cold-spot heating device is arranged close to the communicating position so as to heat, by means of the cold-spot heating device, an area of the cooling chamber that is close to the communicating position. The cold-spot heating device of the present invention is installed at a cold-spot position on the cooling module, the cold-spot heating device synchronously heats while an original heating element of the cooling module performs sterilization by heating, such that all spots in the whole cooling module are subjected to effective sterilization and depyrogenation, and the temperature in the cooling module can be set to be a standard sterilization temperature, which can reduce energy consumption caused by excessive heating, and can also prevent normal production from being affected by the overheating of medicine bottles and generation of black spots.

This invention discloses a heating plate device for reducing component oxidation and its thin film deposition equipment. The heating plate device for reducing component oxidation includes a heating plate, a heating rod, an RF rod, and a sealing cover. The heating plate includes a heating element and a support handle connected to the center of the bottom of the heating plate. The support handle has a mounting cavity, and the heating rod and the RF rod are embedded in the mounting cavity. The sealing cover is connected to the opening of the mounting cavity, so that a sealed vacuum cavity is formed inside the mounting cavity. The heating plate device for reducing component oxidation and its thin film deposition equipment of this invention, by designing the mounting cavity of the support handle where the heating rod and the RF rod are embedded as a sealable structure, evacuates the mounting cavity during operation, thereby replacing the existing design of introducing inert gas to reduce the oxidation of the heating rod and the RF rod. This design offers higher safety, better reduction of component oxidation, and avoids localized cold spots on the heating plate, resulting in better heating performance.

The utility model relates to the technical field of injection water systems, in particular to a common cold point cooling system. The common cold point cooling system comprises a distribution module and a pipeline system; the distribution module comprises a storage tank unit and a first heat exchanger; the pipeline system comprises at least one second heat exchanger and at least one water consumption point; the storage tank unit, the first heat exchanger, the second heat exchanger and the water consumption point are connected in series; the first heat exchanger is used for heating the system, and the second heat exchanger is used for cooling the system. The injection water system is cooled by adopting the cooling effect of the second heat exchanger at the water consumption point in the pipeline system, and a distribution module is not required to be connected into a chilled water interface, so that the input cost and the maintenance cost of the system are reduced.

Systems and methods are provided for using historic input power periodic data from a server in an IT data center to train a machine learning (ML) model to obtain forecasted power consumption data of the server for a future time period. Time windows of hotspots or coldspots are then identified in the forecasted power consumption data, hotspots being defined as areas or regions of over-utilization in a time series data, and coldspots being defined as areas or regions of under-utilization in a time series data. The hotspots and coldspots are identified by calculating an exponential mean average (EMA) of the forecasted power consumption data, taking points above the EMA as hotspots and points below the EMA as coldspots. The identified hotspots and coldspots can be used to schedule workloads for a server or a data center, to more efficiently plan existing workloads, or to introduce new workloads at more optimal time periods.

The application relates to the technical field of power distribution cabinet monitoring, and discloses a power distribution cabinet operation state intelligent monitoring method and an intelligent monitoring system. The power distribution cabinet operation state intelligent monitoring method comprises the following steps: step S101, three-point median filtering processing; step S102, dew point temperature calculation; step S103, dew potential calculation; step S104, update of an asymmetric hysteresis moisture storage state; step S105, nonlinear risk power calculation; step S106, online risk index calculation; step S107, self-normalization intensity calculation; and step S108, output of the power distribution cabinet operation state. The application focuses on the influence of cold spot condensation, embodies the hysteresis characteristics of the wet state of an insulating surface, avoids the problem that a fixed threshold value is difficult to adapt to different cabinet working conditions, realizes continuous monitoring of an implicit insulation deterioration risk, and the output operation state can provide corresponding basis for power distribution cabinet operation and maintenance.

The invention discloses a genome variation cold and hot spot region prediction method and device, and the method comprises the steps: S1, carrying out the slicing of a target genome region according to a preset sliding window length, and constructing a multi-modal input tensor corresponding to a window; s2, inputting the multi-modal input tensor into a pre-trained deep learning prediction model, and outputting a cold and hot spot prediction score of each site in the window through a full connection layer; and S3, according to the cold and hot spot prediction scores, identifying a variation cold spot region and a variation hot spot region in the target genome region. According to the technical scheme provided by the invention, the dependence on the existing variation data density is eliminated, and non-blind area coverage in the whole exon group range is realized; meanwhile, the structured output based on the preset transcript coordinates can directly support clinical variation interpretation, a quantitative basis is provided for PM1 and cold spot evidence, and the proportion of unclear significance variation is effectively reduced.

A method for eliminating and maintaining hotspot data in a distributed cache system includes: obtaining data access frequency, temporal locality score, business weight, and real-time data heat value to generate a dynamic priority score for the data; determining invalid data based on the dynamic priority score; dividing the data into hot zone data, warm zone data, and cold zone data; when cache space is insufficient, preferentially eliminating data in the cold zone data with the lowest dynamic priority score and a retention benefit value below a preset threshold; if cache space is still insufficient, eliminating the warm zone data based on the most recent access time of the warm zone data; encapsulating the cold zone eliminated data, warm zone eliminated data, and invalid data into a final transaction message; broadcasting the final transaction message via a preset protocol, and performing distributed consistency maintenance operations on the final transaction message via receiving nodes. The present invention can achieve intelligent and efficient cache data elimination and consistency maintenance management.

This utility model relates to the field of concentrated brine technology and discloses a concentrated brine concentration device for the steel industry. The device includes a concentration tank with a cover on top and a concentration assembly inside. In this concentrated brine concentration device, steam contacts the liquid as much as possible before entering the outlet, releasing more latent heat. Compared to direct top dissipation or simple heating, this results in a larger heat exchange area, higher heat utilization, and reduced energy consumption. Simultaneously, the steam pipes are heated to prevent their temperature from falling below the waste liquid temperature, thus avoiding cold spots and preventing salt crystallization on lower surfaces, improving heat exchange efficiency. Regular scraping by a scraper removes initial deposits of crystals or soft scale, preventing further accumulation into hard scale, keeping the steam pipes and concentration tank surface clean, improving heat exchange efficiency, and reducing operating energy consumption.

The invention discloses a gas path system of a process chamber and semiconductor process equipment, and belongs to the technical field of semiconductors. The gas path system of the process chamber comprises at least two gas conveying pipelines, each gas conveying pipeline is provided with at least one control valve, and each control valve controls the corresponding gas conveying pipeline to be connected and disconnected. The at least two control valves are wrapped by heating assemblies to be integrated into valve sets, so that the heating assemblies heat the control valves in the corresponding valve sets at the same time. The semiconductor process equipment comprises a process chamber and the gas path system, and the outlet end of at least one of the at least two gas conveying pipelines is communicated with the process chamber. According to the arrangement, when the gas flows through the control valve, the temperature of the control valve is high, cold points are avoided, the gas is prevented from being liquefied when cooled in the circulation process, the gas can be continuously in a steam state and smoothly conveyed into the process chamber, the amount of the gas conveyed into the process chamber is guaranteed, and the process effect is improved.

The present application provides a bandwidth balancing method and apparatus. The method includes: monitoring the access frequencies of multiple cache memories; determining a cold cache memory and a hot cache memory among the multiple cache memories; determining hot spot information in the hot cache memory, and recording first index information of the hot spot information and identification information of the cold cache memory in a target entry, where the target entry is an entry in a redirection data table. The present application greatly alleviates the problem of uneven request distribution, thereby improving the problem of serious imbalance in obtaining bandwidth and enhancing the performance of information acquisition.

The invention discloses an integrally woven cold-spot-free anti-convection down jacket fabric and a preparation method, the fabric comprises five layers of symmetrical tissues, namely a surface layer, a first inner layer, a middle layer, a second inner layer and an inner layer; the surface layer adopts a windproof high-density plain weave, and the inner layer adopts a down-proof high-density plain weave; the material of the middle layer penetrates through the five layers of tissues, and a plurality of strip-shaped down filling cavities are respectively formed in the first inner layer and the second inner layer through interval weaving. The method for preparing the integrally woven cold-spot-free convection-proof down jacket fabric is simple and convenient, and the obtained fabric integrates the layering functions that the surface layer is windproof, the first inner layer and the second inner layer are downproof, and the middle layer is highly fluffy.

The utility model provides an enamel furnace electric heating structure which comprises a furnace body, a sealing cover is movably installed on the right side of the furnace body through a hinge, two inserting grooves are formed in the rear side of the right side of the furnace body, two inserting blocks are fixedly installed on the rear side of the left side of the sealing cover, and a moving assembly is fixedly installed on the top of the right side of the front side of the furnace body. A hook is fixedly installed at the bottom of the moving assembly, driving assemblies are fixedly installed on the front side and the rear side of an inner cavity of the furnace body, a shell is fixedly installed on the left side of the top of the furnace body, and the left side of the shell communicates with a fan. Cookers can be conveniently and rapidly placed or taken out through the moving assembly, the heating structure can be driven to reciprocate through the driving assembly, more uniform heating can be achieved by moving the heating structure, hot spots and cold spots of the cookers are avoided, the moving heating structure can adapt to the cookers of various shapes and sizes, and the practicability is high. Therefore, cooking utensils with different sizes and types can be uniformly heated.

Support plates for localized heating in thermal processing systems to uniformly heat workpieces are provided. In one example implementation, localized heating is achieved by modifying a heat transmittance of a support plate such that one or more portions of the support plate proximate the areas that cause cold spots transmit more heat than the rest of the support plate. For example, the one or more portions (e.g., areas proximate to one or more support pins) of the support plate have a higher heat transmittance (e.g., a higher optical transmission) than the rest of the support plate. In another example implementation, localized heating is achieved by heating a workpiece via a coherent light source through a transmissive support structure (e.g., one or more support pins, or a ring support) in addition to heating the workpiece globally by light from heat sources.

Aspects of the present invention provide methods, systems, and / or the like for: (1) determining temperature data for at least part of an article of manufacture in a manufacturing process; (2) analyzing the temperature data to identify a first portion of the article of manufacture having a temperature that deviates from a surrounding portion of the first portion, the first portion comprising: at least one hot spot, at least one hot streak, at least one cold spot, or at least one cold streak on the article of manufacture; (3) determining, for the first portion of the article of manufacture, a set of properties related to the temperature: (4) processing the set of properties using at least one of a rules-based model, a machine-learning model, or a classification model to produce a defect classification; and (5) providing an indication of the defect classification for display on a computing device.

The application discloses a methanol reforming hydrogen micro-reactor and a control method, relates to the technical field of hydrogen energy, and comprises a reformer body, a catalyst and a burner. The parallel U-shaped rotary segments of the application span above a plurality of parallel combustion channels. Such a layout enables the methanol steam reforming reaction to uniformly absorb heat from the entire burner plane, rather than only absorbing heat from a local heat source, greatly improving the temperature uniformity of the reactor in the vertical and horizontal directions, effectively eliminating hot spots and cold spots, and controlling the method based on a heat contribution matrix and an ideal heat flux density curve. The method realizes precise regulation and control of the heat flux density as the core index at the micro-reactor level, directly acquires the spatial heat distribution through a heat flux sensor array, dynamically adjusts the fuel supply of each combustion channel, enables the energy input to be real-time and accurate, matches the dynamic demand of the reaction process, realizes on-demand heating, and significantly improves the system thermal efficiency.

The utility model discloses a warm-keeping type three-dimensional down jacket. The warm-keeping type three-dimensional down jacket comprises a jacket body and a filling layer filled in an interlayer of the jacket body. The clothes main body is provided with a plurality of quilting line segments, and mutually communicated filling warm-keeping paths are formed on the clothes main body based on the plurality of quilting line segments. A plurality of quilting line segments are distributed to form the mutually communicated warm-keeping filling paths, so that the down feather filler in the clothes body can be separated to form a three-dimensional structure, cold spot structures of the down jacket are reduced, and the warm-keeping effect of the down jacket is effectively improved.

This application discloses a digital twin analysis method and device for coke tower strain based on the cold point effect, relating to the field of coke tower stress analysis technology. The method includes: constructing a three-dimensional solid model based on point cloud data; constructing a structural digital twin model of the target coke tower based on the three-dimensional solid model; determining the region with the largest bulging on the target coke tower shell and continuously collecting the metal wall temperature-operation time curves at each monitoring point within the current working cycle; compiling the load steps of the cold point temperature loading history based on the metal wall temperature-operation time curves of the non-cold point region and the cold point region, and determining the digital twin temperature field of the target coke tower; obtaining the digital twin stress-strain analysis results through transient stress analysis in finite element software. This application performs digital twin simulation of the strain of coke tower equipment by considering the cold point effect of in-service coke towers and combining temperature monitoring statistics with finite element numerical analysis.

The application provides a refrigeration equipment and a control method, a controller, a medium and a program product thereof, comprising: establishing a thermodynamic dynamic model corresponding to a box according to box structure parameters, refrigeration system configuration and environmental parameters of the refrigeration equipment; estimating the temperature of a virtual measuring point of the box according to collected operation parameters of the refrigeration equipment based on the thermodynamic dynamic model to construct temperature field data corresponding to the box; inputting the temperature field data into a pre-trained prediction model to output a target temperature prediction value of the box in a first time period after a current time through the prediction model; determining a target control amount through a cost function according to the target temperature prediction value, and controlling an actuator of the refrigeration equipment according to the target control amount. The application can improve the temperature uniformity in the box, eliminate local hot spots or cold spots, and also can adjust the refrigeration capacity in advance, reduce temperature overshoot and fluctuation, and improve the control precision and stability of the refrigeration equipment.

The invention relates to the technical field of GIS, in particular to a GIS heat tracing module arrangement optimization method and device based on finite element simulation, and the method comprises the steps: constructing a three-dimensional geometric model of a GIS structure, and carrying out the setting of a physical field; establishing a GIS temperature field simulation model based on the three-dimensional geometric model of the GIS structure and physical field setting; a heat tracing module parameter scheme is set, and the heat tracing module parameter scheme meeting the parameter evaluation standard is determined based on the GIS temperature field simulation model; and whether the heating area and the heating power corresponding to the heat tracing module parameter scheme are optimal or not is judged. According to the method, the GIS temperature field simulation model is used for conducting steady-state temperature field simulation on any heat tracing module parameter scheme, the temperature distribution in the GIS after the heat tracing module is arranged is determined in advance, data support is provided for adjusting the heat tracing module parameter scheme, the problem that a dangerous cold spot area is generated after the heat tracing module is arranged is avoided, and the heat tracing efficiency is improved. And faults caused by SF6 liquefaction are effectively prevented.

A method (300) for redirecting a flow of coolant is provided. The method (300) comprises an identification step of identifying a hot spot on an outer surface (212) of a body (210) of a component (200) of the turbine system (200). A first parameter of the component (200) indicates that a temperature of an outer surface (212) in the hot spot exceeds a threshold. Another identifying step identifies a cold spot on the outer surface (212). A second parameter of the component (200) indicates that a temperature of the outer surface (212) in the cold spot is below a threshold. The reconfiguration step reconfigures a plurality of cooling channels (202) of the component (200) to direct a portion of the coolant from a cold point to a hot point.