246results about How to "Reduce temperature gradient" patented technology

The invention discloses a phase change alloy heat sink structure for heat dissipation of an electronic device and a use method of the phase change alloy heat sink structure. The heat sink structure comprises an aluminum alloy shell and at least two independent cavities arranged in the shell, and the cavities are sequentially arranged in the direction from the hot end to the cold end of a heat sink. The cavities are filled with phase change alloy heat storage materials respectively, and the phase change alloy heat storage materials are sequentially filled into the cavities from the hot end to the cold end of the heat sink according to the sequence of the phase change temperatures from high to low. Through the design of the packaging structure and the optimized combination of multiple phase change heat storage alloys, the temperature gradient of the heat sink from the hot end to the cold end is reduced, the multiple phase change alloys are made to continuously generate solid-liquid phase change from the cold end to the hot end in a short time, the heat storage capacity of the phase change materials in a limited space is fully exerted, and the heat storage efficiency of the phase change materials is improved. The temperature equalization and temperature control capabilities of the phase change heat sink are greatly improved, and the phase change heat sink is suitable for heat dissipation of electronic components in aircrafts with strictly limited working spaces.

The invention discloses a preparation device and method for growing a large-size silicon carbide single crystal. A raw material gas phase in a high-temperature area is transmitted to the surface of a seed crystal in a low-temperature area for crystal growth by using a physical gas phase transmission method; the device comprises a furnace chamber, a movable sectional type heating system, a thermal insulation material, a graphite crucible, porous graphite, a seed crystal unit, a crystal growth induction forming device and an electric field device. The method comprises the following steps: installing a seed crystal unit in a crucible filled with silicon carbide powder, placing the crucible in a heater, and carrying out a crystal growth stage to prepare the silicon carbide single crystal. The whole growth process of the crystal is in a constant temperature state, thermal stress caused by the temperature difference between the growth end and the seed crystal end and the temperature difference between the crystal edge and the crystal center in the top end seed crystal method crystal growth process is avoided, the dislocation defect of the crystal is reduced, and finally the high-quality silicon carbide single crystal is obtained. And the production cost is reduced.

The invention discloses an ultrahigh-temperature thermal expansion coefficient tester, which relates to the technical field of detection equipment and comprises an equipment platform, a guide rail, a fixed side and a movable side, the guide rail is arranged on the equipment platform, the fixed side is arranged on one side of the equipment platform, and the movable side is arranged on the guide rail in a sliding mode. The fixed side comprises a displacement detection module and a bearing support; one end of the bearing support is connected with the detection end of the displacement detection module; the moving side comprises an induction heating furnace and a temperature detection module; an insertion opening is formed in the side, facing the fixed side, of the induction heating furnace, and the bearing support enters the induction heating furnace through the insertion opening. According to the invention, the measured material is heated in an induction heating manner, so that the heat loss is greatly reduced, the energy consumption ratio of the equipment is reduced, and meanwhile, the limiting temperature of the thermal expansion coefficient tester is increased. The insulating layer can reduce heat loss, improve the heating efficiency, reduce the temperature gradient in the sample and improve the test precision. And the temperature change condition is directly measured through the infrared thermometer, so that the measurement is more accurate.

The invention relates to the technical field of spinning forming, in particular to a current-assisted spinning forming device and method.The current-assisted spinning forming device comprises a core mold switching disc arranged on a machine tool, a core mold insulating base plate is fixed to the core mold switching disc, and a core mold penetrating through the core mold insulating base plate and connected with a main shaft of the machine tool is rotationally installed on the core mold switching disc; the clamping assembly is arranged on the machine tool, and a metal blank abutting against the core mold abuts against the clamping assembly; the workpiece forming assembly is arranged on the machine tool and used for machining the metal blank; the current applying mechanism is arranged on the workpiece forming assembly, and the workpiece forming assembly can drive the current applying mechanism to move to the position matched with the metal blank so as to heat the metal blank. And the pulse current is introduced into the spinning plastic deformation area.

The invention relates to the technical field of laser welding equipment, in particular to a shield tunneling machine part machining and welding device which comprises a machine table and a welding gun arranged on the machine table. The dust cover is mounted outside the welding gun head; the exhaust pipe is radially mounted at the bottom of the dust cover and is arranged in the welding seam direction; the exhaust opening is formed in the top of the exhaust pipe in a penetrating mode and located in the dust cover; the air suction port penetrates through the bottom of the air suction pipe; the opening is formed in the bottom of the side, away from the exhaust pipe, of the dust cover and extends towards the bottom end face of the dust cover; according to the device, through the arrangement of the exhaust pipe, external airflow can flow into the dust cover through the opening, smoke generated by welding in the dust cover can be exhausted from the exhaust opening along with the negative pressure of the exhaust pipe, and treatment of the welding smoke is achieved; and meanwhile, negative pressure is also generated at the air suction port, dust at the weld joint of the workpiece is also sucked away, the cleanliness of the weld joint can be ensured while smoke is removed, and the subsequent welding quality is improved.

The invention discloses a composite heat preservation floor, and particularly relates to the technical field of composite floors, the composite heat preservation floor comprises a basic reinforcing layer, a high-heat-conduction composite layer, a heat conduction liquid pipe and a heat conduction reinforcing layer, and a solid wood layer is arranged on the upper end face of the basic reinforcing layer; the efficient heat conduction network is formed through tight combination of the heat conduction enhancement layer and the metal copper wire net, and heat generated by floor heating can be rapidly and evenly dispersed to all areas of the heat conduction enhancement layer through the grid structure of the metal copper wire net; due to the uniform heat distribution, the temperature gradient formed by heat in the heat conduction enhancement layer is greatly reduced, the loss and retention of the heat in the conduction process are reduced, the heat is effectively reserved in the indoor space, a large amount of heat energy can be stored when floor heating heat is absorbed through the heat conduction liquid pipe, and after the indoor temperature reaches a set value, the heat conduction liquid pipe is closed. Even if heat supply of floor heating fluctuates or pauses, heat stored in the heat conduction oil can be slowly released, and indoor heat can be kept in the space for a longer time.

The utility model relates to the technical field of medical imaging equipment, in particular to a detector heat dissipation device and a detector assembly thereof. The detector heat dissipation device comprises a shell and a heat exchange plate, the shell is provided with a cavity, the heat exchange plate is installed in the cavity, a plurality of heat dissipation pieces are arranged on the heat exchange plate, gaps are formed between the adjacent heat dissipation pieces, an inlet and an outlet are formed in the two sides of the shell in the width direction, the cavity is divided into a plurality of sub-spaces, and the sub-spaces are communicated with the inlet and the outlet. And the inlet and the outlet are respectively communicated with the plurality of subspaces. The detector has the advantages that the inlet and the outlet are formed in the width direction of the shell, heat of the heat exchange plate installed in the shell is taken away through flowing of the heat dissipation medium between the inlet and the outlet, the flowing path of the heat dissipation medium is shortened, the temperature gradient on the heat exchange plate is reduced, and the heat dissipation efficiency and the working capacity of the detector are improved.

The invention belongs to the technical field of integrated circuit packaging, and particularly relates to a micro-channel packaging structure based on cooling liquid cooling and a packaging method thereof. Comprising a packaging body, a plurality of grooves are symmetrically formed in the upper surface and the lower surface of the packaging body, functional chips are mounted in the grooves, and active bonding pads of the functional chips face the outer side; the metal wiring layers are respectively arranged on the surfaces of the functional chips on the upper side and the lower side; the silicon through holes are vertically formed in the left side and the right side of the packaging body respectively, copper layers are filled in the silicon through holes to form a silicon through hole structure, and the metal wiring layers on the upper side and the lower side are conducted through the silicon through hole structure; the micro-channel groove is formed between the functional chips on the upper side and the lower side in the left-right direction, and the two ends of the micro-channel groove extend in the vertical direction and are exposed to the outside. Liquid helium is introduced to improve the heat dissipation effect of the double-sided chip, double-sided interconnection is realized by using the silicon through hole structure, and the heat dissipation problem of the high-performance chip can be effectively solved while the integration degree is improved.

The invention relates to the technical field of metal welding, and discloses a welding process of high-strength medium alloy carburizing steel, which comprises the following steps: preheating the whole weldment to 200-250 DEG C before welding; the overall temperature of a weldment is kept at 200-250 DEG C in the welding process; and after welding is completed, a weldment is integrally heated to 250-300 DEG C, and heat preservation is conducted for preset time. According to the scheme, a new preheating technology in the welding technology is provided for the high-strength medium alloy carburizing steel, overall preheating is adopted before welding, during welding and after welding instead of local preheating, the temperature ranges before welding and during welding are kept consistent, the temperature range after welding is slightly higher than the temperature ranges of the first two stages, it is advantageously kept that the temperature of a mother part in the whole welding stage is stable and uniform, and the welding quality is improved. The temperature gradient in the whole welding process is reduced to the minimum, and through appropriate process steps and welding parameters, it is guaranteed that weld joints do not have welding defects, and meanwhile the mechanical property requirements of products are met.

The invention discloses dispersion strengthened copper powder, a dispersion strengthened copper part and a red and blue composite laser additive manufacturing method of the dispersion strengthened copper part, and relates to the field of laser additive manufacturing. The dispersion strengthened copper powder comprises Ni, Al, Sn, Si and the balance of copper; the additive manufacturing method comprises the steps that a part CAD model is drawn, the red and blue composite laser direct forming additive manufacturing device is adopted for conducting additive manufacturing on dispersion strengthened copper powder, the laser power is adjusted, and the dispersion strengthened copper part is obtained. According to the method, Cu-Ni-Al alloy powder, Sn and Si powder are subjected to mechanical alloying through high-energy ball milling, segregation of Si and Sn in the alloy smelting process is avoided, the low reflection effect of copper alloy on blue laser and the heat effect of infrared laser are utilized in the additive manufacturing process, the laser energy utilization rate is increased, and the production cost is reduced. And meanwhile, the blue laser auxiliary beam is preheated before the red-blue composite beam passes through, the temperature gradient on the surface of the part is reduced, residual stress is reduced, and the forming quality of the part is improved.

The invention discloses a heating method for postweld heat treatment of a thick-wall horizontal pipe section, an induction heat treatment system is adopted, the induction heat treatment system comprises an induction cable, induction heating equipment, thermocouples, a heat preservation blanket and a heat insulation batten, a plurality of thermocouples are uniformly spot-welded on a weld joint in the circumferential direction, one thermocouple is spot-welded on the top of the weld joint and is arranged as a temperature control thermocouple, and the other thermocouple is arranged as a temperature control thermocouple. The heat preservation blanket is wound on the heat treatment pipe section, the heat insulation batten is arranged on the top of the heat preservation blanket, the induction cable is wound on the outer side of the heat preservation blanket and the outer side of the heat insulation batten, the induction heating device is connected with the induction cable, and heat treatment process parameters are controlled according to signals of the temperature control galvanic couple. The temperature is kept constant for 4-6 minutes every time the temperature is increased by one gradient. The circumferential temperature difference of the pipeline can be reduced, the temperatures of the inner wall and the outer wall can be rapidly consistent, and the heat treatment efficiency is improved.

The invention relates to a preparation method of a cerium-doped lutetium yttrium silicate crystal, and relates to the technical field of scintillation crystal preparation. Compared with a traditional Czochralski method, the cerium-doped lutetium yttrium silicate is prepared through a flame fusion method, the growth speed of the flame fusion method is 15-20 mm / h, the growth rate is higher, consumable items such as an iridium crucible are not needed, mutual reaction between a high-temperature melt and the crucible is avoided, the cost is effectively reduced, and the cerium-doped lutetium yttrium silicate is obtained. The limitation of a crucible material on preparation of high-melting-point oxide crystals is eliminated, the crystal quality is improved, and the growth period is short.

The invention relates to a heat energy self-adaptive circulating fuel cell stack structure which comprises a stack body and a gas distribution end arranged at one end of the stack body, a first cooling path inlet and a second cooling path outlet are formed in one end of the gas distribution end, and a first cooling path outlet and a second cooling path inlet are formed in the other end of the gas distribution end; the electric pile body comprises first bipolar plates and second bipolar plates which are alternately arranged; the first cooling path inlet is communicated with the first cooling path outlet through a first cooling path flow field of the first bipolar plate to form a first cooling path; the second cooling path inlet is communicated with the second cooling path outlet through a second cooling path flow field of the second bipolar plate to form a second cooling path; and the flowing direction of the first cooling path is opposite to that of the second cooling path. The self-adaptive circulation of heat energy in the stack can be realized, the temperature difference of the reaction area is effectively homogenized, the consistency of the performance of the stack is improved, and the life of the stack is prolonged.

The invention provides an inertia friction welding auxiliary machining device for dissimilar materials and a working method of the inertia friction welding auxiliary machining device, and belongs to the technical field of friction welding. The problem that in the prior art, the heat preservation effect cannot be improved at any time of welding according to the process requirement is solved. The device comprises a main shaft side box body, a main shaft side clamp, an external blowing assembly, a main shaft side to-be-welded piece, a movable sliding table box body, a lathe bed, a tailstock side clamp, a tailstock side to-be-welded piece and a heating mechanism, the main shaft side box body is installed on one side of the lathe bed, and the movable sliding table box body is installed on the other side of the lathe bed in a sliding mode through a movable sliding table rail; the main shaft side clamp is installed in the main shaft side box body through the main shaft fixing seat, the external blowing assembly is arranged on the outer side of a welding area of a main shaft side to-be-welded piece, the tailstock side clamp is installed in the movable sliding table box body through the tailstock fixing seat, and the heating mechanism is arranged on the outer side of the welding area of the tailstock side to-be-welded piece. The device is mainly used for protecting the welding area of friction welding.

The invention belongs to the technical field of engine cooling systems, and particularly relates to an engine cooling system and an automobile. The engine cooling system comprises a first cylinder block water jacket, a second cylinder block water jacket, a cylinder head water jacket and a driving element. According to the engine cooling system, the cooling liquid is conveyed to the first air cylinder body water jacket and the air cylinder cover water jacket through the driving element, the cooling liquid enters the first air cylinder body water jacket at the low temperature to directly cool the upper side part of the air cylinder body, and meanwhile the cooling liquid enters the air cylinder cover water jacket to cool the air cylinder cover. The cooling liquid which absorbs heat through the air cylinder cover water jacket enters the second air cylinder body water jacket, then heat exchange is conducted on the lower side part of the air cylinder body, and the warming-up time of the lower side part of the air cylinder body is shortened. Through the partition cooling mode, the temperature gradient of the upper side part and the lower side part of the air cylinder body is obviously reduced, and therefore stable operation of the engine under the condition that the temperature is evenly distributed is guaranteed.

The utility model provides a novel diesel generating set air inlet and exhaust device which comprises a generating set box and a partition plate, and the partition plate is fixedly connected to the inner side of the generating set box. Compared with the prior art, the air inlet structure has the advantages that due to the design of the strip-shaped air inlet, the air inlet area can be increased, more external air can enter the unit case, the ventilation efficiency is improved, after the external air enters the unit case through the air inlet, the air can enter the main pipe through the flow dividing pipes, passes through the main pipe and the draught fan and is finally exhausted from the exhaust pipe, and the air inlet area is increased. As air flows, heat in the case can be taken away, external air can be more uniformly distributed and circulated in the generator set case, the ventilation and heat dissipation effects of the diesel generator set are more uniform, local overheating is prevented, the design of the air inlets is beneficial to reduction of the temperature gradient in the case, heat dissipation is more uniform, and the service life of the diesel generator set is prolonged. The air duct is designed and connected with the partition plate, so that further heat dissipation in the generator set box can be assisted, and heat accumulation in the generator set box is prevented.

The invention provides an auxiliary cooling device for friction welding of a ring pipe structure and a working method of the auxiliary cooling device, and belongs to the technical field of friction welding. The problems that in the prior art, due to the fact that the surface of an inner ring of a large-diameter-thickness-ratio ring material dissipates heat slowly, the cooling speed of a welding area is uneven, residual stress is increased, the strength of a welding joint is affected, and due to the fact that the surface of the inner ring dissipates heat slowly, microstructure changes are uneven, and the mechanical property of the material is affected are solved. The device comprises a tailstock side clamp, a main shaft side clamp, an inert gas connecting pipe, a gas nozzle and a cooling medium spraying mechanism, the tailstock side clamp is installed in a movable sliding table box body of friction welding equipment, a tailstock side part to be welded is clamped in the tailstock side clamp, a main shaft side part to be welded is clamped in the main shaft side clamp, and the inert gas connecting pipe is connected with the gas nozzle. An inert gas connecting pipe is arranged in the main shaft side to-be-welded part, the outlet end of the inert gas connecting pipe is connected with the gas nozzle, and a cooling medium spraying mechanism is arranged on the inner side of the tailstock side to-be-welded part. The device is mainly used for cooling the welding seam of friction welding.

The invention relates to a heating element for resistance welding of a thermoplastic composite material. The heating element comprises a heat production area, a heat conduction area and an insulating layer which are compounded together, wherein the heat production area serves as a heating body and is located at the center position; the heat conduction area is used for conducting excessive heat at the edge and is located at the edge; the insulating layers are used for preventing current shunting and blocking current and enhancing the bonding property of the heating element and the thermoplastic composite material to be welded, and are positioned on the upper side and the lower side of the heat production area; compared with the traditional heating element for the thermoplastic composite material, the heating element disclosed by the invention can effectively optimize the uniformity of heat distribution, and considers three aspects of preventing edge effect, shunting current and improving bonding property, so that the welding efficiency and the joint strength are effectively improved.

The invention relates to the technical field of shock absorber welding devices, in particular to a large-bearing spring damping type inflation machine tool shock absorber welding device which comprises a workbench, a side plate is arranged on one side of the workbench, a top plate is arranged on one side of the side plate, and a heat conduction assembly used for accelerating heat dissipation is arranged below the top plate. The heat conduction assembly comprises a cylinder, a plurality of hydraulic rods are arranged in the cylinder, the opposite ends of the multiple hydraulic rods penetrate and extend to the outer side of the cylinder and then are fixedly connected with limiting arc-shaped plates, and the multiple limiting arc-shaped plates form a circular ring to support and limit the inner side of the cylindrical workpiece; the semiconductor chilling plates on the inner sides of the limiting arc-shaped plates actively absorb heat on the inner side of a welding seam, then the heat is rapidly dissipated through the cooling fins, the temperature gradient on the inner side and the outer side of the welding seam can be reduced, temperature distribution is more uniform, the non-uniform degree of thermal stress is reduced, the deformation conditions such as roundness deviation of a weldment are effectively controlled, and the reject ratio is reduced.

The invention provides a multi-field auxiliary metal fuse additive melt directional transfer device and method. The device comprises a laser energy source system, a metal wire feeding system, a constant magnetic field system, an electric field system, a coaxial protective gas system, an ultrasonic generator, a multi-axis motion platform and a forming substrate. The forming base plate is fixedly installed above the multi-axis motion platform, and multi-degree-of-freedom motion of the forming base plate in space is achieved through the multi-axis motion platform. The laser energy source system is fixed above the forming substrate, so that laser emitted by the laser energy source system is irradiated to the upper surface of the forming substrate; the metal wire feeding system is fixed to the side face of the laser energy source system and conveys metal wires to the size range of laser spots. The constant magnetic field system, the electric field system and the ultrasonic generator are respectively fixed on the metal wire feeding system; the multi-axis motion platform comprises four degrees of freedom of X-axis motion, Y-axis motion, Z-axis motion and platform rotation. A specific field is applied to the end of the metal wire by distributing the installation position of the auxiliary field.

This invention relates to the field of ultra-high performance concrete (UHVPC) curing technology, and more particularly to an intelligent temperature-controlled curing method for UHVPC. The method includes the following steps: generating preliminary temperature-controlled curing data for concrete based on UHVPC mix proportion parameters and temperature-controlled curing requirements data; analyzing the distributed temperature field characteristics of the pouring nodes using UHVPC pouring node data to generate distributed temperature field characteristic data for the pouring nodes; analyzing the temperature evolution and hydration state of the pouring node temperature field based on the distributed temperature field characteristic data and the preliminary temperature-controlled curing data to generate temperature evolution and hydration regulation state data; and performing dynamic temperature-controlled curing analysis on the preliminary temperature-controlled curing data to generate dynamic temperature-controlled curing data for the concrete. This invention achieves intelligent temperature-controlled curing by combining the application of UHVPC.

The invention relates to the technical field of distillation towers, and discloses a gas-phase feed distillation tower for ethylene carbonate, comprising a distillation tower body, wherein a heat exchanger is connected on the left side of the distillation tower body, wherein the heat exchanger comprises a heat exchange tank, a feed tank is fixed on the left side of the heat exchange tank, a feed port is fixed through the left side of the feed tank, and an inner tube is integrally formed on the right side of the heat exchange tank. When the invention is used, a gas-phase material is driven by an external device to enter the feed tank, and drives a rotating wheel to rotate, and a pipe sleeve and a spiral heat exchange plate are reciprocated by two incomplete gears, a gear three, a rotating rod one, a gear two, and a plurality of gears one in sequence, thereby increasing the fluidity and mixing degree of water, making the heat more evenly distributed in the entire water body, reducing the temperature gradient, and improving the heat conduction efficiency. The agitated water flow can reduce the formation of scale and sediment, and prevent the scale and sediment from reducing the heat transfer efficiency of the heat exchanger.

This invention relates to transition layer materials and welding processes for welding dissimilar steel and aluminum materials, belonging to the field of welding technology. The transition layer material for welding dissimilar steel and aluminum materials of this invention comprises a copper layer, a copper alloy layer, and a zinc alloy layer arranged sequentially; the copper layer is adjacent to the steel base material, and the zinc alloy layer is adjacent to the aluminum base material; the copper content in the copper alloy layer is 62.0%-64.0%; the zinc content in the zinc alloy layer is 89.0%-91.0%; the mass ratio of the copper layer, copper alloy layer, and zinc alloy layer is (0.9-1.1):(2.3-2.7):(1.8-2.2). By sequentially setting the copper layer, copper alloy layer, and zinc alloy layer between the steel base material and the aluminum base material, a gradual transition from the steel base material to the aluminum base material is achieved, effectively avoiding the formation of brittle Fe-Al intermetallic compounds during direct welding, and enhancing the mechanical properties and durability of the welded joint.

The invention relates to the technical field of DNA detection, and discloses a PCR amplification device which comprises a temperature control box and a heat preservation mechanism, a heating cavity is formed in the upper end of the temperature control box, a sample supporting plate is arranged at the top of the heating cavity, and a high-temperature chamber and a low-temperature chamber are arranged on the side, close to the bottom of the temperature control box, of the heating cavity; the high-temperature chamber is communicated with the heating cavity through a first water outlet formed in the bottom of the heating cavity, the low-temperature chamber is communicated with the heating cavity through a second water outlet formed in the bottom of the heating cavity, a first switch mechanism for controlling the first water outlet to be opened and closed is arranged on the temperature control box, and a second switch mechanism for controlling the second water outlet to be opened and closed is arranged on the temperature control box; the high-temperature chamber is communicated with the heating cavity through a first water pump, the low-temperature chamber is communicated with the heating cavity through a second water pump, the heating cavity is communicated with an air cooling mechanism, and the air cooling mechanism is used for pumping external air into the heating cavity to cool the sample tube. The method has the effect of improving the PCR amplification efficiency.

This utility model belongs to the field of evaporator technology and discloses a high heat exchange efficiency microchannel heat exchange structure ice mold evaporator, including an evaporator body. Multiple microchannel heat exchange tubes are fixedly installed on the inner side of the evaporator body, and multiple microchannel holes are opened at the bottom of the evaporator body. Diversion pipes are fixedly installed on the left and right sides of the evaporator body. The comprehensive application of the microchannel heat exchange structure, inner surface strengthening treatment, and outer surface fin design significantly improves the heat exchange efficiency of the evaporator. Compared with traditional evaporators, the ice-making speed can be increased, producing the same amount of ice in a shorter time, meeting the demand for rapid ice making. High heat exchange efficiency means that, under the same ice-making capacity, the required refrigeration compressor running time is shortened, and energy consumption is reduced. Actual testing shows that using the evaporator of this utility model reduces the energy consumption of the ice-making system, effectively reducing operating costs.

The invention is suitable for the technical field of laser processing, and provides a welding method and a laser device.According to the welding method, a flat nail is welded to a cover plate of a battery cell through annular laser beams emitted by the laser device, the annular laser beams comprise the first laser beam and the second laser beam, the first laser beam is a center point laser beam, and the second laser beam is a center point laser beam; the second laser beam is a hollow ring laser beam, and the first laser beam is located in the second laser beam; the first laser beam and the second laser beam emit light periodically and synchronously, and the peak pulse width of the second laser beam is larger than that of the first laser beam. According to the embodiment, the surface cracking probability of the flat nail can be reduced, the number of cracks generated in the welding process is reduced, and the welding quality is improved.

The invention relates to the technical field of artificial intelligence, and discloses a method for adaptively adjusting the ratio of an improver based on an AI (artificial intelligence) algorithm, according to the method, multi-field parameters are obtained by using a composite material micro pile embedded with a sensing array, and the evolution trend of a stratum is predicted through a heat-water-force multi-field coupling evolution model. And an artificial intelligence algorithm calculates a modifying agent proportion vector changing along with depth according to a prediction result, and drives a grouting system to adjust the concentration of the active component. And the physical boundary of the micro pile group is utilized to guide a flow field to form a transverse overlapping reinforcing belt. The phase change component in the modifier releases latent heat at a preset temperature, and intervenes in formation heat balance in cooperation with physical heat barrier of the micro piles. And the system executes parameter inversion through measured data and updates an algorithm weight. According to the method, accurate matching of the treatment scheme and stratum heterogeneity is achieved, frost heaving deformation of the foundation is effectively restrained, and the structural stability of the high and cold large-thickness foundation is guaranteed.

The invention discloses an energy storage system and a photovoltaic energy storage system, and belongs to the technical field of energy storage. In the energy storage system, a refrigerating circuit comprises a compressor, a condenser, an expansion valve and a first path of an evaporator; a heat exchange part of the energy storage battery communicates with a first flow path, an outlet of the first flow path is connected to an inlet of a second path of the evaporator, and the first flow path comprises a first pump; the heat exchange part of the electronic device is communicated with a second flow path, and the second flow path comprises a second pump; an inlet of the mixing device is communicated with an inlet and an outlet of the second path of the evaporator; a plurality of valve ports of the valve group are respectively connected with the first flow path, the second flow path, the first radiator and the mixing device, and the valve ports can be selectively opened and closed. Through the arrangement of the mixing device, the high-temperature cooling liquid which does not enter the evaporator and the low-temperature cooling liquid which leaves from the evaporator are fully mixed, so that the cooling efficiency of the energy storage battery is improved, the uniform distribution of the temperature of the cooling liquid is realized, the performance of the energy storage battery is optimized, and the energy consumption of the energy storage system is reduced.

The utility model discloses a printing carrier plate and a photovoltaic cell, and belongs to the technical field of photovoltaic cells. The printing support plate comprises a support plate body and a film layer arranged on the surface of at least one side of the support plate body, and the film layer comprises at least one of a metal film layer and a polymer film layer; the printing carrier plate further comprises a groove array, and the groove array penetrates through the film layer and extends to the carrier plate body in the thickness direction of the printing carrier plate. According to the utility model, the quality of groove laser etching can be improved.

A cooling and molding apparatus for carbon-carbon composite materials relates to the field of composite material manufacturing technology, addressing the problem in existing technologies where precise control of cooling temperature is difficult, easily leading to stress concentration within the carbon-carbon composite material. The apparatus includes a cooling cylinder with a cover at its top, the top of which is connected to a gas storage cylinder via a gas supply pipe. An inlet pipe and an outlet pipe are fixedly connected to the outside of the cooling cylinder. The inlet pipe is connected to a cold water tank via an inlet pump, and the outlet pipe is connected to a first water storage tank via an outlet pump. Both the cold water tank and the first water storage tank are housed within the machine body, which also contains a second water storage tank. A main control device is connected to the side wall of the machine body. The advantages are: it allows the cooling process to be divided into multiple stages and dynamically adjusts the cooling water flow rate, avoiding stress concentration during the cooling process.