183 results about "Hot zone" patented technology

The invention relates to the field of pipeline welding, in particular to a prediction model construction method, system and equipment of a heat affected zone and a prediction method. The method comprises the steps that phase change parameters of a metal microstructure phase change model are corrected based on a thermal simulation test; building a heat affected zone microstructure finite element prediction model according to the circumferential weld simulation calculation finite element model; and correction is carried out based on a heat affected zone hardness test and a small punch test correlation parameter correction method, and the heat affected zone strength prediction model is trained by using the expansion database to obtain the pipeline welding joint heat affected zone strength prediction model. Based on a material performance determination test, a finite element model construction method and a finite element model expansion database mode, the accuracy of the heat affected zone strength prediction model is greatly improved, the research cost is reduced, the prediction from a microstructure to macroscopic performance is realized, and the method is suitable for popularization and application. And the defect that the softening mechanism of the hot area material cannot be clarified by traditional macroscopic mechanical property test analysis is overcome.

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.

The invention provides a cross-application data transmission method and related equipment. The electronic equipment implementing the cross-application data transmission method, such as a mobile phone, a tablet computer and the like, can obtain data such as pictures and texts from a currently displayed interface, determines one or more application programs capable of receiving the data after detecting that a user drags the data to enter a preset hot area, and transmits the data to the application programs. After the operation that the user continues to drag the data to the area where the icon of any application program is located and release the data is detected, the electronic equipment can send the data to the corresponding application program, and quick and convenient cross-application data transmission service is provided for the user. And on the other hand, after the electronic equipment detects that the data is dragged into the floating ball, the electronic equipment can directly send the data to an application program corresponding to the floating ball, and another quick and convenient cross-application data transmission service is provided for a user.

The invention discloses a data sharing method and related equipment. After the electronic equipment obtains the data to be transmitted, a corresponding floating element is generated, and after the electronic equipment detects that a user drags the floating element to enter a preset hot area, one or more icons of applications which can be used for receiving the data to be transmitted can be displayed. Afterwards, the electronic device can detect the operation of continuously dragging the floating element to the area where any application icon is located and releasing the floating element, and then the to-be-transmitted data is sent to the corresponding application program. According to the method, a convenient, simple, rapid, smooth and visual data sharing scheme is provided for the user, and the user can share data conveniently when needed.

A terminal device, comprising: a housing and a heat dissipation assembly located in the housing. The internal inner space of the housing comprises a hot zone and a cold zone, the heat dissipation assembly comprises at least two heat exchangers, a pump and connecting pipes, one of the heat exchangers is located in the hot zone, and the other heat exchangers are located in the cold zone, the connecting pipes are connected between the two heat exchangers to form a heat exchange circulation pipeline, and the pump is arranged in the heat exchange circulation pipeline, so as to realize heat exchange between the hot zone and the cold zone. The terminal device provided in the present application can achieve active liquid cooling and heat dissipation in the terminal device, and improve the temperature uniformity of the terminal device.

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 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.

The utility model discloses a roll-bond plate heat exchanger which comprises a roll-bond plate body, a heat transfer area is arranged in the roll-bond plate body, a refrigerant filling opening is formed in one side of the heat transfer area, a plurality of partitions are arranged in the heat transfer area at intervals, each partition is of a round structure made of pure aluminum, and refrigerant flow channels are formed in the intervals among the partitions. The circular partitions made of pure aluminum are arranged in the heat transfer area, and the refrigerant runners are formed between the partitions, so that the whole heat transfer area is full of the refrigerant runners, the refrigerant can be filled into the heat transfer area through the refrigerant filling port and flows in the refrigerant runners, and the heat transfer efficiency is improved. The refrigerant can be paved on the whole heat transfer area through the refrigerant flow channel, so that the temperature of the whole heat transfer area is uniform and consistent, and the problem that the temperature of the blowing plate is not uniform due to the fact that the refrigerant cannot be fully distributed on the flow channel is solved.

A data center and a heat recovery system thereof. The heat recovery system (100) comprises: an outdoor refrigeration unit (2) connected in a first branch (11) and used for cooling a refrigerant in the first branch (11); an indoor heat recovery unit (3), which is arranged in a hot zone of the data center, is connected in a second branch (12) connected in parallel with the first branch (11), and is used for heating a refrigerant in the second branch (12) by using heat in the hot zone; a four-way valve (7) comprising a first port (71), a second port (72), a third port (73), and a fourth port (74), wherein the first port (71) is connected to a first common end (131) of the first branch (11) and the second branch (12) and can be selectively communicated with the outdoor refrigeration unit (2) or the indoor heat recovery unit (3); a compressor (8), having an air suction port (81) connected to the second port (72) and an exhaust port (82) connected to the third port (73); and a heat exchange unit (9) connected between a second common end (132) of the first branch (11) and the second branch (12) and the fourth port (74), and used for cooling or heating using the refrigerant.

The invention relates to a hot zone gas treatment unit of a solid oxide fuel cell. A mixer is transversely arranged in a combustion pipe, a combustion cavity is formed in the lower end of the mixer, an anode waste gas conveying pipe and a cathode waste gas conveying pipe are arranged at the upper end of the mixer, the anode waste gas conveying pipe and the cathode waste gas conveying pipe are connected into the galvanic pile, and the lower ends of the anode waste gas conveying pipe and the cathode waste gas conveying pipe are communicated with the combustion cavity. The preheating pipe and the heat exchanger are sleeved on the combustion pipe, a deionized water conveying pipe, a fuel conveying pipe and a mixed gas conveying pipe are arranged outside the preheating pipe, the mixed gas conveying pipe is communicated with the reformer, a reforming conveying pipe at the lower end of the reformer penetrates through the heat exchanger and is connected into the electric pile, and an air pipe penetrates through the heat exchanger and is connected into the electric pile. Waste gas conveyed by the anode waste gas conveying pipe and the cathode waste gas conveying pipe is combusted in the combustion cavity to generate heat, preheated fuel and deionized water are vaporized, the mixed fuel and vaporized deionized water enter the reformer, then are heated by the heat exchanger and enter the electric pile, and heat recycling is achieved.

The invention relates to heat dissipation in stacked memory devices and associated systems and methods. High bandwidth memory (HBM) devices and associated systems and methods are disclosed herein. In some embodiments, the HBM device includes a first die, a plurality of second dies carried by a signal routing region of the first die, and an active through substrate via (TSV) positioned within an footprint of the signal routing region. The active TSV extends from a first metallization layer in the first die to a second metallization layer in an uppermost memory die. The HBM device also includes a cooling network configured to deliver heat from the first die. For example, the cooling network can include a thermally conductive layer carried by a hot zone of the first die and a cooling TSV in contact with the thermally conductive layer. The thermally conductive TSV extends from the thermally conductive layer to a height at or above a top surface of the uppermost memory die.

The invention provides a Fe2. 25Te2 at graphene electromagnetic wave-absorbing material and a preparation method and application thereof.The preparation method comprises the steps that S1, a quartz boat filled with Te blocks is placed on the upstream of a tubular furnace hot area, and the temperature of the hot area is kept at the temperature sufficient to enable Te to be smelted slowly; s2, mixing Fe2O3 powder, fused salt and graphene oxide powder according to a certain mass part ratio, uniformly grinding, thinly paving the mixture in another quartz boat, and placing the quartz boat in the central position of the hot area of the tube furnace; s3, heating the quartz boat in the S1 and the other quartz boat in the S2 at the same time, and carrying out sufficient reaction by using a molten salt assisted chemical vapor deposition technology; and S4, after the reaction in the S3 is completed, naturally cooling to obtain the tetragonal-phase Fe < 2.25 > Te2 (at) graphene broadband electromagnetic wave-absorbing material. The preparation method is simple, convenient and efficient, the product achieves broadband wave absorption through the synergistic effect of the two-dimensional Fe2. 25Te2 nanosheets and graphene, the quality is stable, and performance evaluation is high.

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 invention relates to the technical field of 3D printers, in particular to a heat preservation and cooling device and a 3D printer, the heat preservation and cooling device comprises a base, a box body, an air heater, a rotary table heat insulation cover, a nozzle heat insulation cover and a heat dissipation device, the box body is arranged on the base, and the nozzle heat insulation cover and the rotary table heat insulation cover are both arranged in the box body; the nozzle heat insulation cover is fixedly connected with the top of the box body, the rotary table heat insulation cover is fixedly connected with the bottom of the box body, the air heater is arranged on the side face of the box body, and the heat dissipation device is arranged below the box body. The rotary table heat insulation cover and the nozzle heat insulation cover meet the sealing requirement under complex movement, stability and reliability of a movement system are guaranteed, the movement system is isolated from a hot area, the heating space is compressed, the heating waiting time is shortened, the negative influence of heat on the system is reduced, the equipment performance is improved, and the service life of the equipment is prolonged.

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.

The utility model relates to a water chilling unit which comprises a compressor and an evaporator, the evaporator comprises a shell and a heat exchange pipe set, a liquid inlet pipe is arranged at the bottom of the shell, and an air suction pipe is arranged at the top of the shell; the heat exchange tube set comprises a plurality of heat exchange tubes, the heat exchange tubes extend in the length direction of the shell and are arranged in parallel, the heat exchange tube set is provided with a plurality of heat exchange areas from bottom to top in the height direction of the shell, and the diameters of the heat exchange tubes in the adjacent heat exchange areas are different and / or the arrangement densities of the heat exchange tubes in the adjacent heat exchange areas are different. The heat exchange tubes with different tube diameter specifications are used, and different arrangement distances, arrangement densities and arrangement forms are adopted in different heat exchange areas to adapt to the escape flowing speed of a refrigerant working medium at the position, so that the flowing resistance of the refrigerant is reduced, the refrigerant liquid is uniformly distributed, and the liquid carrying phenomenon at an air suction port of an evaporator can be reduced.

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.