149 results about "Hot zone" patented technology

The invention provides a water flow dynamic distribution control method driven by air conditioner terminal load prediction, and relates to the technical field of air conditioner engineering.The method comprises the steps that 1, the people flow density, the environment temperature and humidity and the equipment running state of each air conditioner terminal service area are collected in real time, and a load prediction mechanism is constructed based on a spatial-temporal feature fusion algorithm; the minimum cooling capacity demand of each tail end in the future time period is predicted; 2, based on the minimum cooling capacity requirement, areas with similar load characteristics are classified into the same cluster through hot area clustering, and building scale dynamic cooling load distribution is generated with cluster mass center data as the benchmark; and step 3, calculating an energy flexibility penalty coefficient based on the dynamic cooling load distribution in combination with the real-time deviation between the indoor temperature and the comfortable temperature difference, and generating a regional water flow regulation weight. According to the method, dynamic distribution of the water flow is driven through load prediction, the water pump frequency and the refrigerating unit strategy are dynamically adjusted in combination with real-time energy consumption feedback, and self-adaptive adjustment of the branch water flow is achieved.

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 relates to the technical field of crude oil storage tank safety testing, and particularly discloses a crude oil storage tank combustion boiling overflow simulation testing device which comprises an experiment table, an oil tray, a sampling assembly and a measuring assembly, the oil tray is connected to the experiment table, and the measuring assembly comprises a plurality of heat flow meters, a thermocouple, a camera and an infrared camera. The heat flow meters are arranged at the bottom, in the middle and outside the oil pan respectively and used for measuring and obtaining internal and external heat conduction intensity data of the oil pan when crude oil burns. The thermocouple is connected in the oil pan through the mounting frame and used for measuring and obtaining data of the temperature of the center line of the oil pan, the formation position of a hot area and the temperature in the hot area, the camera is used for obtaining image data of the flame height, the splashing area contour and the combustion area contour which change along with time, and the infrared camera is used for obtaining image data of the thermal radiation area contour; the sampling assembly is connected to one side of the oil pan and used for sampling and detecting non-azeotropic oil in a hot area in the oil pan. The device can provide more comprehensive data support for disaster relief.

The invention discloses a system on chip, a management method, electronic equipment, a storage medium and a program product, and relates to the technical field of device integration. The system-on-chip comprises a physical device layer, a heat dissipation assembly, a stack connection channel and a multi-stage device hot area. In the system-on-chip, a device hot area with a high heat dissipation priority is closer to a heat dissipation assembly, so that the heat dissipation effect of the high heat dissipation priority is guaranteed. Moreover, the stacking connection channel densities of the at least two stages of device hot areas are controlled to be different, so that the length of a routing path in the device hot area with the high heat dissipation priority can be shortened, and the heat dissipation effect of the system on chip can be improved. The technical problem that the system-on-chip is prone to thermal abnormity is solved, and the technical effect that the reasonability of the architecture of the system-on-chip can be improved so that the operation reliability of the system-on-chip can be guaranteed can be achieved.

The invention belongs to the technical field of ferrous metallurgy, and discloses an intelligent self-adaptive converter smelting fire point area temperature monitoring system and method.The intelligent self-adaptive converter smelting fire point area temperature monitoring system comprises an oxygen lance, a gas supply module, a cooling module, a communication module and an edge calculation module, and the gas supply module and the cooling module are both connected with the oxygen lance; a multi-mode temperature sensor set is integrated in the oxygen lance, a communication module is installed on the outer side of the oxygen lance, and the cooling module, the air supply module and the multi-mode temperature sensor set are all in communication connection with the edge calculation module through the communication module. The technical scheme provided by the invention has the characteristics of high real-time performance, high intelligence, good safety and the like, and is suitable for a modern converter smelting process.

A compressed gas energy storage system which can also store thermal energy. The storage system can have a surface subsystem, a geological heat storage subsystem, and a compressed gas storage subsystem. The surface subsystem can comprise gas compression, gas expansion, and heat exchange functions. The geological heat storage subsystem can comprise a cold and hot zone in fluid communication with the surface subsystem. The compressed gas storage subsystem can also be in fluid communication with the surface subsystem. The systems and methods can be implemented in porous rock formations. This allows for the use of extremely large, natural formations rather than man-made salt caverns, as is the current state of the art. Existing wells drilled by oil and gas producers can be utilized, thereby drastically reducing cost and time for implementation. Further, use of sub-surface thermal management provides a complete solution for long term energy storage at high efficiency.

A method and apparatus used in preparing a recrystallized metal alloy involve a cooling medium and a heating element to create a cold zone and a hot zone. An additively manufactured metal alloy preform is drawn in a draw direction from the cold zone towards the hot zone to form the recrystallized metal alloy. The cold zone and the hot zone create a surface temperature gradient on at least a portion of the preform of at least about 104 K m−1. The step of drawing causes an average grain size of at least a portion of the preform to increase in a direction parallel to the draw direction.

A high heat cooling device includes a heat-conducting chamber body that has a heat-absorbing surface, a first chamber, and a second chamber. The first chamber is closer to the heat-absorbing surface than the second chamber. At least one isolation ring is disposed in the first chamber of the heat-conducting chamber body, dividing the first chamber into a primary hot zone and a secondary hot zone. The primary hot zone is not in fluid communication with the secondary hot zone, and the primary hot zone is surrounded by the isolation ring and is in communication with the second chamber.

Source: FR2832733 A1 Video sensors are used for controlling melting of aluminum in a furnace by producing images of the bath surface or the inner surface of the furnace walls. Melting of aluminum in a furnace comprises: (a) introducing solid aluminum into the furnace; (b) melting the aluminum to form a molten bath; (c) production of images of the bath surface or of the inner surface of the furnace (2) walls; (d) treating these images to identify the presence of solids or the formation of oxides on the bath surface or for identifying the presence of hot spots or hot zones or zones having a certain minimal temperature on the fumace walls; and (e) modifying at least one fumace operating condition as a function of this treatment of the images. Independent claims are also included for the following: (a) a device for detecting the surface state of a bath of aluminum or the state of the furnace walls in an aluminum melting furnace; and (b) an aluminum melting furnace incorporating this detection device.

A physical vapor transport system with improved hot zone package alignment includes a first video pyrometer to view a center of a first hot zone at a first end of the hot zone package to measure a first temperature of the hot zone package and provide a first video feed showing instantaneous positions of the hot zone package as it is rotated. A second video pyrometer views a second hot zone viewport at a second end of the hot zone package to measure a second temperature of the center of the hot zone package and provide a second video feed showing instantaneous positions of the hot zone package as it is rotated. A controller processes the temperature measurements and video feeds and adjusts the system components or settings to correct for mis-alignment of the hot zone package. Such adjustments can be made prior to or during a process run while PVT growth of SiC bulk material is occurring.

The invention discloses a heat dissipation structure of a high-power photovoltaic module. The heat dissipation structure is a heat management module mounted on the back of the photovoltaic module and comprises a sealed box body and a composite phase change material filled in the sealed box body. In order to perform differentiated management on uneven heat on the back of the assembly, the composite phase change material is divided into at least two areas: a first heat management area corresponding to a junction box serving as a core hot area and a second heat management area covering other conventional hot areas. The first thermal management area is filled with a first composite phase change material composed of gradient pore foam metal and a paraffin-based phase change material; the second thermal management area is filled with a second composite phase change material composed of expanded graphite and a paraffin-based phase change material. The box body part containing the first heat management area is of a surrounding structure to adapt to the protruding junction box, and cooling fins are arranged on the outer surface of the box body. According to the invention, high-efficiency passive thermal management is realized, the working temperature of the module can be obviously reduced, and the cost is controllable.

The invention relates to an integrated air spring air chamber low-pressure casting process which comprises the following specific steps: S1, a thin-wall hollow integrated structure is adopted, the wall thickness of a main body is 4 mm, and local mounting points are transited to 6-8 mm through a gradually-changed thickening design; a pouring system is designed according to the air spring structure, and the design that four parts are arranged at one pouring gate is adopted; s2, the inner cavity is formed by combining two sand cores, the two sand cores are the first sand core and the second sand core, and the inner cavity is formed between the first sand core and the second sand core; s3, the mold adopts an upper and lower mold parting structure; s4, the sand core is positioned in the X direction, the Y direction and the Z direction; s5, a plurality of cooling water channels are embedded in the hot spot area of the mold; s6, die exhaust channels are arranged at the molten aluminum intersection and the high point of a cavity, and three ejector rods are designed in total and evenly distributed in a non-key pressure-bearing area; and S7, setting process parameters of field production. By optimizing mold design, a pouring system and technological parameters, integrated forming of the air spring air chamber is achieved, and the weight is remarkably reduced while the product performance is guaranteed.

A refrigerated display case door glass panel assembly includes a first pane of glass and a second pane of glass bounding a sealed space between the panes, and an electrically conductive coating applied to a surface of the first pane. The coating extending across at least a majority of a viewing area of the first pane. A first pair of electrical buses spaced apart from one another and electrically connected to the coating at respective first and second ends of the first pane, the first and second ends being opposite one another, and a second pair of electrical buses spaced apart from one another and electrically connected to the coating at respective third and fourth ends of the first pane. The third and fourth ends being opposite one another and adjacent to the first and second ends.

The present application discloses a method, device, equipment and storage medium for displaying hot zones of a live broadcast screen, and belongs to the field of live broadcast technology. The method includes: displaying a live broadcast screen in a live broadcast room, wherein the live broadcast screen displays at least one recommended object; in response to a hot zone display instruction triggered for the live broadcast screen, presenting at least one visual hot zone in the live broadcast screen, wherein the visual hot zone is used to represent the number of viewers who are looking at the area where the corresponding recommended object is located in the live broadcast screen. In this way, when watching the live broadcast screen, the audience does not need to actively interact, but can also more intuitively understand the audience's interest in each recommended object through the displayed visual hot zones, obtain audience feedback more promptly, and thereby improve the accuracy of the live broadcast content.

The cushion frame comprises a cushion plate, a plurality of supporting legs arranged at intervals are arranged on the lower side of the cushion plate, a plurality of supporting ribs arranged at intervals are arranged on the upper side of the cushion plate, the supporting ribs are used for supporting a stewing cup, convection holes are formed in the center area of the cushion plate, and the cushion plate is arranged in a rising mode from the convection holes to the outer edge. The cushion frame is used in a cooking utensil for stewing in water, a hot area with high water temperature is formed near the edge of the cushion plate during working, a cold area with low temperature is formed in an area between the lower portion of a stewing cup and the upper portion of the cushion plate, water in the cold area can flow to the lower portion of the cushion plate through the convection holes, and water flow, close to the central area, below the cushion plate can flow towards the outer edge of the cushion plate. The water flowing out of the outer edge of the base plate flows upwards. Water flow near the outer edge of the base plate and located above the base plate can flow towards the center of the base plate, so that the cold area and the hot area are communicated with each other to form circulating heat convection, water in the heating cavity of the cooking utensil can be heated more quickly, and the overall heat efficiency of the cooking utensil is improved.

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.

A process for treating an initial polyethylene-containing material to produce a polyethylene composition, the process comprising providing a twin-screw extruder having a thermal regulation device; providing an initial polyethylene-containing material comprising at least 50% by weight of polyethylene based on the total weight of the initial polyethylene-containing material; extruding the initial polyethylene-containing material to obtain a polyethylene composition; wherein the extrusion is carried out with a residence time of less than 20 minutes; and collecting the polyethylene composition; wherein the extrusion comprises heat-treating the initial polyethylene-containing material by self-heating at a temperature of at least 300 °C in one or more hot zones of the extruder to have a maximum barrel temperature in the range of 300 to 460 °C in at least one hot zone of the extruder.

The application relates to the technical field of single-crystal silicon heat field material preparation, and discloses a processing and manufacturing process and system of single-crystal silicon growth heat field graphite products. The process comprises the following steps: S1, preparation of a preform, S2, baking treatment, S3, index detection grading, S4, furnace loading zoning, S5, graphitization treatment, and S6, machining forming steps. Through accurate control of the preparation parameters of the preform, establishment of a multi-dimensional index detection grading standard and matching of the furnace loading zoning strategy of the Acheson furnace temperature field, the problems of poor performance uniformity and high impurity content of the graphite products in the traditional process are solved, and the purity, density and size stability of the single-crystal silicon growth heat field graphite are significantly improved. The system comprises a preform preparation unit, a grading detection unit, an intelligent furnace loading unit and a graphitization furnace body, automatic control is introduced, and the strict requirements of large-scale production of single-crystal silicon on heat field materials are met.

The invention discloses an intelligent mine refrigeration system, which relates to the technical field of mine refrigeration and comprises a regional thermal control unit, a state sensing module and a signal control distribution module, the regional thermal control unit is used for refrigerating by using a solid-state heat flow regulation and control principle, the state sensing module is used for detecting the running state of a heat source module, and the signal control distribution module is used for communicating local cooling node signals of each region to facilitate power and signal transmission; the regional thermal control unit comprises local cooling nodes, dynamic electric distribution regulation modules and a refrigeration regulation and control unit, the state sensing module comprises a thermal intensity acquisition unit, a hot area contour modeling module and a comparison judgment module, and the signal control distribution module is in signal communication with the dynamic electric distribution regulation modules of the local cooling nodes. And the dynamic power distribution regulation module and the refrigeration regulation and control unit are in signal communication with the comparison judgment module. The system has the characteristic of distributed regulation and control.

Graphite hotzone components of an ingot puller apparatus are disclosed. The graphite hotzone components have a hafnia coating disposed on one or more surfaces of the components. Example components that include a hafnia coating include heater assemblies, insulation and / or reflectors that shroud the crystal.

The improved disc type cold and hot press forming system is characterized in that the hot press forming procedure in the hot zone working station is carried out in a vacuum environment to reduce the amount of heat energy dissipated through conduction.

Sublimation furnace (200) for the formation of silicon carbide, comprising a furnace jacket (201), at least one heating element (202) arranged outside the furnace jacket (201), and a hot zone (203) arranged inside the furnace jacket (201) surrounded by insulation (204), wherein the hot zone (203) comprises: a) a crucible (210) having an upper region (220) and a lower region (240); b) a crucible cover (215) that tightly seals the crucible (210); c) a solid silicon carbide precursor arranged in the lower region (240) of the crucible (210), and d) a seed crystal module arranged in the upper region (220) of the crucible (210), the seed crystal module comprising: (1) a silicon carbide seed crystal (100) having an upper surface (150) and a lower surface (160), wherein the upper surface (150) is exposed to the upper region (220) of the crucible (210), and the lower surface (160) is facing the solid silicon carbide precursor and the lower region (240) of the crucible (210), and (2) a seed crystal holder (120) having an upper section and a lower section holding the seed crystal (100) between them, the seed crystal holder (120) comprising a plurality of vapor release openings (130) formed around a central axis (215) of the seed crystal holder (120); and e) a vapor release ring (280) arranged above the upper section of the seed crystal holder (120), the vapor release ring (280) having one or more holes (270) aligned with one or more vent holes (260) formed in the crucible (210), wherein the plurality of vapor release openings (130) of the seed crystal holder (120), the one or more holes (270) of the vapor release ring (280), and the one or more vent holes (260) of the crucible (210) together form a path for vapors to escape from the crucible (210).

The utility model relates to the technical field of variable-frequency screw compressor equipment, in particular to an integrated novel air-cooled variable-frequency screw air compression station which comprises a driving system, an air inlet system, an oil way system, a cooling system, a cold drying system, a waste heat recovery system, an electrical control system, a storage and metering system and a box body. The box body is divided into a cold area and a hot area for isolation, the space structure layout is integrated and compact, the appearance design adopts a container form, all parts are integrally installed, high-quality compressed air can be provided, the system energy efficiency is high in usability, the space design structure is compact, and the integrated air compression station is safe, reliable and convenient to use and install. The air compression station is small in occupied area and convenient to operate, carry and install.

The utility model discloses a tower plate structure of an ultra-large rectifying tower, belongs to the technical field of industrial equipment, and aims to provide a tower plate structure of an ultra-large rectifying tower with conveniently controllable temperatures at different heights in a tower body, the tower plate structure comprises a heating disc, a convection channel is formed in the center of the heating disc, and a hot area temperature sensor is fixedly connected to the upper surface of the heating disc; an electric heating disc is arranged at the bottom of the heated disc, a positioning steel ring is fixedly connected to the edge of the heated disc, a heat insulation disc is fixedly connected to the bottom of the positioning steel ring, a clamping channel is formed in the center of the heat insulation disc, a condensation pipe is arranged on the bottom face of the heat insulation disc, and a cold area temperature sensor is fixedly connected to the lower surface of the heat insulation disc. The heating parts are arranged in the interlayers of the tower plates, the temperature sensors are arranged on the top surfaces of the tower plates, and the condensation pipes and the temperature sensors are arranged on the bottom surfaces of the tower plates, so that the temperatures at different heights of the rectifying tower are known and controllable, and high-precision rectifying operation can be carried out without carrying out large-scale debugging on the rectifying tower.

A sensor device for a hot zone of a vehicle production plant includes a magnet element that is actuatable from an initial position into a deflected position when a vehicle component approaches the magnet element. An electrical circuit is open when the magnet element is arranged in the initial position and is closed when the magnet element is actuated from the initial position into the deflected position. An output element outputs a signal characterizing an ascertained approach of the vehicle component when the electrical circuit is closed.

The invention provides a catering frozen transportation full-link temperature monitoring method and system based on the Internet of Things, and the method comprises the steps: enabling a plurality of temperature sensors to be disposed at different positions in a refrigerator carriage, and collecting the temperature data and the types of loaded food materials in real time; constructing a short-term volatility index to obtain a hot area set and a hot area staple food material type set; according to the hot area staple food material type set, food material thermophysical property parameters are obtained, and the current center food material estimated temperature of the hot area staple food material at the current moment is calculated; in combination with the central food material estimated temperature and the disturbance weight, constructing a central temperature time sequence of each hot area to obtain a future central temperature predicted value of the hot area; and generating corresponding early warning information based on the future center temperature prediction value of the hot area. The method solves the problem that the existing system can see the temperature but cannot judge the state, cannot predict the trend and cannot accurately give an alarm, and has high engineering suitability and practical application and popularization value.

The application belongs to the field of food heating, and discloses a method for improving the uniformity of dielectric heating based on a wave-absorbing particle coating, which can uniformly heat a predetermined food stack without directly contacting the surface of the food stack, by setting the density distribution of electromagnetic wave-absorbing particle clusters corresponding to the cold and hot zone distribution of the predetermined food stack, thereby avoiding the negative impact on the original quality of the food stack and reducing the willingness of consumers to purchase. First, the accumulation shape of the predetermined food stack is obtained through simulation, and a corresponding cold and hot zone distribution model is obtained. Then, a hollow heat-conducting element is set to be inserted into the predetermined food stack, the hollow heat-conducting element contains electromagnetic wave-absorbing particle clusters, and the distribution density of the electromagnetic wave-absorbing particle clusters in the hollow heat-conducting element is set based on the cold and hot zone distribution model of the predetermined food stack, thereby realizing the uniform heating of the predetermined food stack. The application also discloses a dielectric heating uniform heating device based on a wave-absorbing particle coating, which can better implement the above method.

The application discloses an electronic transformer adaptive heat dissipation control method and system based on temperature rise prediction and relates to the technical field of heat dissipation control. The electronic transformer adaptive heat dissipation control method based on temperature rise prediction comprises the following steps: S1, collecting heat dissipation disturbance data, and performing pretreatment and channel mapping operation; S2, performing sampling disturbance analysis based on the disturbance amplitude of the disturbance channel, the temperature sampling jump amplitude and the physical temperature rise change value; S3, performing temperature rise credibility evaluation by comprehensively considering the heat zone heating power, the measured temperature change, the sampling disturbance value and the fan start-stop number; and S4, outputting the heat dissipation joint control state according to the temperature rise credibility token, the temperature rise credibility shielding token, the overload retention state word and the entry mask. The method solves the problem that the existing fan PWM speed regulation disturbance is easy to enter the temperature sampling link, leading to temperature rise trend misjudgment, fan reverse speed regulation and heat dissipation control oscillation.

This invention discloses a heater and a hot zone for a single crystal furnace, relating to the field of single crystal manufacturing technology. It provides a technical solution to reduce the oxygen content of single crystal silicon by decreasing the heating zone of the heater without shortening its heating area. The heater provided by this invention is applied in the hot zone of a single crystal furnace. The heater is disposed on the outer periphery of a crucible in the hot zone of the single crystal furnace and is used to heat at least the surface of the molten silicon in the crucible. The heater includes: multiple heating zones and multiple slit zones, each slit zone being connected between two adjacent heating zones; the openings of the multiple slit zones have the same opening direction, and the width of the slit zone is greater than or equal to the width of the heating zone.

An ingot puller apparatus for producing a single crystal silicon ingot includes an ingot puller housing that defines a growth chamber, a crucible assembly positioned within the growth chamber for holding a silicon melt, a susceptor supporting the crucible assembly within the growth chamber, and at least one hotzone component positioned within the growth chamber. The at least one hotzone component includes a substrate having a surface emissivity and a refractory material coating applied to the substrate that modifies the surface emissivity.