164 results about "Jet cooling" patented technology

The invention provides computing equipment based on a phase change liquid cooling technology. The computing equipment comprises a body, a jet flow component and a power component, the interior of the body is divided into a first containing cavity and a second containing cavity through a partition plate, the first containing cavity is used for containing first cooling liquid, the second containing cavity is used for containing a heating element and second cooling liquid, and the temperature of the second cooling liquid is higher than that of the first cooling liquid; the body is provided with a liquid supplementing opening communicated with the first containing cavity and an exhaust opening communicated with the second containing cavity. The power part is connected with the jet flow part and used for pumping the first cooling liquid into the heating element through the jet flow part. According to the invention, the critical heat flux density can be improved, and efficient jet cooling of a heating element with relatively high heat flux density is realized. Besides, the first containing cavity and the second containing cavity which are divided by the partition plate can contain working media with different temperatures respectively, a proper supercooling environment can be built, meanwhile, the influence of cavitation on the power component is avoided, and the reliability and usability of the power component are guaranteed.

The application discloses a kind of through tool turret-lathe tool ultra-low temperature medium internal spray type cooling numerical control lathe, including inclined bed lathe host, ultra-low temperature medium heat insulation transmission control system, ultra-low temperature medium internal spray type tool turret and ultra-low temperature medium internal spray type lathe tool.The ultra-low temperature medium internal spray type tool turret and ultra-low temperature medium internal spray type lathe tool realize that ultra-low temperature medium is transported to the cooling of tool tip by the inner cavity channel of tool turret-tool, solve the integration problem of liquid nitrogen internal spray type cooling function and conventional lathe structure;Ultra-low temperature medium internal spray type lathe tool tail end uses telescopic transmission pipe, realizes the directional supply of ultra-low temperature medium to working lathe tool when automatic tool changing;Ultra-low temperature medium transmission pipeline passes through from the spindle center of ultra-low temperature medium internal spray type tool turret, and adopts vacuum heat insulation structure, without affecting original structure, ensure the heat insulation transmission of medium;Ultra-low temperature medium control system and the integration of numerical control machine tool, realize the stable controllable of pressure and flow in ultra-low temperature medium transmission process.

The present invention discloses a micro jet cooling plate with a porous heat transfer surface, wherein a porous super hydrophilic surface structure composed of a plurality of evenly distributed small holes is centrally arranged on a rectangular working surface of the micro jet cooling plate, two cooling liquid outlet channels are arranged in parallel at two opposite sides of the working surface, and cooling liquid collecting channels with two ends connected to the cooling liquid outlet channels are arranged in parallel at the other two opposite sides of the working surface, and a plurality of micro channels are evenly connected between the porous super hydrophilic surface structure and the cooling liquid outlet channels and the cooling liquid collecting channels. The present invention also discloses a method for manufacturing a micro jet cooling plate with a porous heat transfer surface. The present invention can reduce the thermal resistance of the channel surface, increase the phase change heat transfer efficiency, and can effectively solve the problems of excessively high local temperature and uneven distribution of concentrated photovoltaic cells, thereby improving the power generation efficiency of the cells.

The invention discloses a directional heat dissipation power distribution cabinet with adjustable air deflectors, which relates to the technical field of equipment for power distribution cabinets and comprises a cabinet body and a heat dissipation unit arranged in the cabinet body. The heat dissipation unit comprises a directional heat dissipation assembly used for carrying out fixed-point jet cooling on key heating elements, an air guide assembly used for optimizing overall airflow organization in the cabinet, and a water cooling assembly used for carrying out pre-cooling on cooling airflow of the directional heat dissipation assembly. The directional heat dissipation assembly comprises a fan at least arranged on the top wall in the cabinet body, an air supply pipe communicated with an outlet of the fan, and an annular air pipe arranged in the power distribution cabinet and communicated with the air supply pipe. Through cooperation of the directional heat dissipation assembly and the water cooling assembly, air blown out of the air blowing pipe at the tail end of the telescopic air column is no longer ambient temperature air but low-temperature cold air cooled in advance through the liquid cooling system. According to the pre-cooling type directional air supply mechanism, the heat dissipation efficiency and the limit capacity of air cooling are greatly improved.

The invention relates to an ultrasonic atomization pulse type cold air jet cooling and lubricating device and an operation process thereof. The device comprises an air compressor, a cold air generator, a gas storage tank, a pulse control valve and an ultrasonic atomization nozzle module which are sequentially connected through a gas pipeline. The ultrasonic atomizing nozzle module comprises an ultrasonic transducer, a stepped amplitude-variable rod, a waterproof cover, a sealing cover and a focusing nozzle. In the working process, the stepped amplitude-variable rod amplifies the high-frequency mechanical vibration amplitude of the ultrasonic transducer, and cutting fluid is efficiently atomized into micron-sized liquid drops through the cavitation effect and the capillary wave effect; meanwhile, the cold air generator converts high-pressure air provided by the air compressor into low-temperature gas and temporarily stores the low-temperature gas in the gas storage tank, and the low-temperature gas is released in a pulse mode through the precise pulse control valve according to the set frequency and duty ratio. The pulse low-temperature gas enters the sealing cover to be fully mixed with the atomized liquid drops, uniform gas-liquid two-phase jet flow is formed, finally, the jet flow is accelerated by the focusing nozzle to form high-speed convergent jet flow, the high-speed convergent jet flow acts on a cutting area accurately, and pulse type efficient cooling and lubricating cutting machining is achieved.

The invention discloses a heat dissipation system and electronic equipment, and is applied to the field of liquid cooling heat dissipation, and the system comprises a jet cooling part which is internally provided with a cooling cavity, and the outer side of the bottom of the cooling cavity is used for being attached to a to-be-cooled shell, so that the heat of the to-be-cooled shell is transmitted to the inner side of the bottom of the cooling cavity from the outer side of the bottom of the cooling cavity, and the cooling cavity is used for cooling the to-be-cooled shell; a heating element is arranged in the to-be-cooled shell; and the jet flow nozzle is installed on the jet flow cooling component, the jet flow nozzle is used for jetting a jet flow working medium into the cooling cavity, and the jet flow nozzle faces the inner side of the bottom of the cooling cavity. According to the heat dissipation system provided by the invention, the cost is reduced, the safety is higher, the to-be-cooled shell is more convenient to disassemble, assemble and maintain, the layout is reasonable, the manufacturing cost is low, and meanwhile, the heat dissipation efficiency is higher.

The invention discloses a metal surface plasma spraying device, comprising a body box, a body cavity is arranged in the body box, and a spraying mechanism is arranged in the body cavity. The invention utilizes the connecting rod transmission principle to first clamp the metal plate to be sprayed, and then utilizes the gravity of the metal plate to make the expansion box and the upper surface of the metal plate be on the same horizontal plane, so that the effect of spraying the edge of the metal surface is the same as that of normal spraying, so that the spraying effect is uniform, and after the spraying is completed, the plasma powder sprayed on the expansion box is recycled to save resources; not only that, the invention can also adjust the flow rate of plasma powder according to the size of the metal plate with spraying, and increase the powder flow rate when the metal area is too large, so as to ensure the spraying effect and improve the spraying quality. Moreover, the invention can also preheat the metal plate before spraying, and perform jet cooling on the metal plate during spraying, so as to ensure the spraying quality.

The invention discloses a jet flow evaporation cooling system. The jet flow vaporization cooling system for cooling a heat generating unit using a liquid jet flow includes: a heat transfer portion integrally formed with a cooling portion configured to receive the liquid jet flow and an arrangement portion on which the heat generating unit is arranged; an opening portion configured to eject the liquid supplied from the supply portion to the cooling portion; a discharge portion configured to discharge the liquid; and a chamber configured to accommodate the opening portion, the discharge portion, and the cooling portion, and configured not to accommodate the arrangement portion therein, in which the chamber is maintained in a reduced pressure environment, in which the opening portion is configured to eject the liquid to the cooling portion, in which the discharge portion is configured to eject the liquid to the discharge portion, and in which the discharge portion is configured to discharge the liquid to the discharge portion. At least a portion of the cooling portion is inclined, and wherein the liquid is discharged from the discharge portion via the cooling portion.

The present invention provides a two-phase jet cooling radiator for high-power density chips, belonging to the technical field of chip cooling and heat dissipation. The cooling radiator includes a coolant cavity housing, a jet manifold layer, a jet flow channel plate, and a porous medium layer; a liquid distribution cavity is formed in the coolant cavity housing; a jet cavity is formed in the jet manifold layer, and jet holes are uniformly distributed on the jet cavity; the jet flow channel plates are all installed in the jet cavity, and their jet flow channels are all arranged vertically, and one end of each jet flow channel is connected to the corresponding jet hole; the gaps between the jet flow channel plates in the lower space of the jet cavity are filled with the porous medium layer. The present invention utilizes the influence of the small-aperture porous medium layer on bubble dynamics, improves the critical heat flux density in the heat dissipation process, increases the heat dissipation per unit area, prolongs the working life of the chip, improves the working stability of the chip, and plays an important role in ensuring the stable operation of the chip under the working conditions of high heat flux density and high integration.

A zinc-aluminum-magnesium coated steel plate, comprising a cold-rolled substrate and a coating coated on the cold-rolled substrate, the coating containing Zn and the following chemical elements in percentage by mass: 1-30.0% of Al, 1-10.0% of Mg, 0.01-0.5% of Ca, 0.01-0.5% of Sr, 0<B≤0.05%, 0<Cr≤0.3%, 0.001-0.3% of Ti, and 0.001-1.0% of Ni. The manufacturing method for the zinc-aluminum-magnesium coated steel plate comprises the steps: performing continuous annealing and hot dipping on a cold-rolled substrate; using jet cooling; heating; air-cooling strip steel to below 320℃; further cooling the strip steel to below 100℃, and then cooling in a quenching tank; and leveling and straightening.

The invention discloses a dynamic thermal protection device using a pulsed jet cooling technology and a control method.The dynamic thermal protection device comprises a pulsed jet cooling system, a liquid storage tank, a deflation valve, a mass flow controller and an electromagnetic valve pulsed jet excitation device, the liquid storage tank provides liquid nitrogen, and after being adjusted through the deflation valve and the mass flow controller, the liquid nitrogen flows into the electromagnetic valve pulsed jet excitation device; and finally, the water is sprayed to the surface of the photoelectric equipment chip for cooling. The device predicts the temperature change of the chip through a neural network algorithm, dynamically adjusts the frequency and intensity of the pulse jet flow, and achieves the precise cooling of the surface of the photoelectric equipment chip. The dynamic thermal protection device is compact in structure, easy to machine and assemble, convenient to use and low in cost, the space station optoelectronic equipment can achieve self-adaptive adjustment of the heat dissipation capacity according to the temperature of the space station optoelectronic equipment, and stable operation of the equipment is ensured.

The invention discloses a multi-mode composite heat dissipation energy storage battery pack, and relates to the technical field of heat management of energy storage batteries. The device comprises an immersion box, wherein a liquid inlet communicated with an inner cavity of the immersion box is formed in the side wall of the immersion box; a heat dissipation channel is formed in the bottom wall of the immersion box, a plurality of flow guide openings communicating with the heat dissipation channel are formed in the upper end face of the bottom wall, and a liquid outlet communicating with the heat dissipation channel is formed in the side end face of the bottom wall; the jet cooling assembly comprises a liquid guide pipe and a plurality of nozzles, the plurality of nozzles are in one-to-one correspondence with the plurality of liquid outlet holes, the liquid inlet end of each nozzle is communicated with the corresponding liquid outlet hole, and the liquid spraying end extends to the inner cavity of the upper part of the immersion box so as to spray the side wall of the battery module; and the multiple liquid level control valve assemblies are correspondingly installed in the multiple flow guide openings. According to the invention, the battery module can be efficiently cooled in all directions through a plurality of mixed heat dissipation modes such as jet cooling, immersion cooling, bottom heat dissipation and the like, the heat dissipation efficiency is improved, and the temperature consistency of each part of the battery is ensured.

The invention belongs to the technical field of photovoltaic panel water cooling, and provides a photovoltaic panel water cooling device which comprises a flow guide plate, the flow guide plate is rotationally connected with a fixed frame, a motor is fixedly arranged on the flow guide plate, a rotating shaft of the fixed frame is fixedly connected with an output shaft of the motor, the fixed frame is connected with a movable seat through a power assembly, and the movable seat is fixedly connected with the movable seat. The power assembly can drive the movable seat to move parallel to or perpendicular to the fixed frame; a plurality of heat absorption assemblies are arranged in the moving seat, and the moving seat can drive all the heat absorption assemblies to be attached to the photovoltaic panel in the fixed frame. According to the invention, the water cooling assembly can carry out jet cooling on the moving seat and the photovoltaic panel at the same time, so that the front surface of the photovoltaic panel and all heat absorption assemblies in the moving seat are cooled; the water cooling assembly cools the front face of the photovoltaic panel in a water cooling mode, and meanwhile the heat absorption assembly can cool the back face of the photovoltaic panel when making contact with the back face of the photovoltaic panel.

The invention belongs to the technical field of data center cooling, and relates to a modular self-adaptive immersion jet liquid cooling system for a high-power server, the high-power server comprises a case, the case is provided with a sealed cavity, the sealed cavity is internally provided with a plurality of devices with different heating degrees, the devices are completely immersed in a refrigerant, and the components are arranged in the sealed cavity. A modularized jet flow device is arranged on a device with the relatively high heating degree, the modularized jet flow device independently conducts jet flow cooling on the device with the relatively high heating degree, and the sealing cavity is further provided with a machine box refrigerant inlet and a machine box refrigerant outlet. And the case refrigerant inlet and the case refrigerant outlet penetrate from the inside of the sealing cavity to the outside of the case. The invention aims to solve the problem that high-efficiency and accurate heat dissipation of high-power heating elements such as chips cannot be realized in the prior art.

The invention relates to the technical field of control engineering, and discloses a synthesis kettle internal efficient cooling circulation method and system.The synthesis kettle internal efficient cooling circulation method comprises the steps that the rotation speed of inner blades and outer blades of a synthesis kettle corresponding to a multi-stage spiral flow guide assembly is defined, and initial parameters of a synthesis kettle corresponding to a dynamic jet cooling module are configured; partitioning the synthesis kettle to obtain partitioned synthesis kettles, analyzing a temperature gradient matrix of the partitioned synthesis kettles, and determining a local overheating area of the synthesis kettle; position mapping is conducted on the local overheating area and the multi-stage spiral flow guide assembly, a mapping spiral blade is obtained, and the rotating speed difference of the mapping spiral blade is calculated so as to determine a rotating speed regulation and control instruction of the mapping spiral blade; and marking a target adjusting nozzle of the dynamic jet cooling module in the local overheating area, determining an angle regulation instruction of the target adjusting nozzle, and executing internal efficient cooling of the synthesis kettle based on the rotating speed regulation instruction and the angle regulation instruction. The internal temperature control effect of the synthesis kettle can be improved.

The present application relates to the technical field of rail production process, in particular to a production method for improving wear resistance of channel rail for tram. After universal rolling, compressed air is applied to the channel rail for forced cooling in parts. In the first stage, supersonic air jet cooling is applied to the rail head tread, rail head running edge, rail head left side, rail lip and rail bottom to control the cooling speed of each part. In the second stage, supersonic air jet cooling is continuously applied to each part of the rail to control the cooling speed of each part. In the third stage, subsonic air jet cooling is applied to each part of the rail to control the cooling speed of each part, and then the rail is naturally cooled in air. The quenching effect of the channel rail tread and running edge is improved, the pearlite interlamellar spacing is refined, the rail strength and hardness are improved, and the channel rail has good wear resistance.

The utility model relates to the technical field of quenching, in particular to an experimental device for simulating pressure type quenching cooling of a steel plate. In particular to an experimental device for simulating rolling quenching cooling in industrial production of steel plates. The experimental device for simulating the pressure type quenching cooling of the steel plate comprises a high-pressure water single-side strong jet cooling system, and the high-pressure water single-side strong jet cooling system comprises a nozzle system; the nozzle system comprises a nozzle disc, a guide polish rod and a driving motor; the nozzle disc is arranged on a guide polish rod in a sleeving mode, and one end of the guide polish rod is connected with an output shaft of the driving motor. According to the device, the instantaneous comprehensive cooling of the sample steel plate is realized, the same quenching effect of industrial production is realized, and the effect of simulating the pressure type quenching process of the steel plate with the length of 200-300mm, the width of 150-250mm and the thickness of 20-120mm, especially the steel plate with the thickness of 40-100mm under the off-line working condition can be effectively improved.

The invention relates to the field of metal processing, and discloses a horizontal continuous casting production line of a double-hole copper bar for a large rotor winding and a production method of the horizontal continuous casting production line. The production line comprises a horizontal continuous casting table, a heat preserving furnace, a crystallizer, a dummy ingot system and a middle cooling structure. The crystallizer comprises a body and a detachable double-hole die, and the middle cooling structure is used for cooling the middle part of the double-hole copper bar. The innovative pulse jet cooling system and the copper bar dummy ingot output are synchronous, and accurate cooling control is achieved. In order to improve the production efficiency, the two crystallizers which are opposite to each other and form an angle of 180 degrees are mounted on the rotating table, and the crystallizers are quickly replaced in cooperation with the annular connecting table, the lifting structure and the transposition structure. The invention further comprises a corresponding production method which covers the whole process from copper liquid injection to double-hole copper bar forming and the operation step of rapid replacement of the crystallizer. The problems of low production efficiency, unstable quality and the like of the double-hole copper bar in the traditional process are effectively solved.

This invention provides a solar-powered full-spectrum frequency-division thermo-electric combined-drive air conditioning system and its control method, belonging to the field of solar heat pumps. It addresses the problems of existing solar-powered jet-compression combined refrigeration systems, which cannot effectively utilize all wavelengths of solar energy, suffer from intermittent instability during power supply, and exhibit low cooling efficiency due to excessively high compression ratios under high temperature difference conditions. During conventional cooling, the system allows selection of single-jet cooling, single-compression cooling, jet-compression combined cooling, or dual-jet-compression combined cooling based on daytime or nighttime conditions and cooling requirements, achieving stable all-weather air conditioning while saving energy. In addition to the conventional cooling mode, a dual-jet-compression cooling mode can be operated to achieve high temperature difference cooling while maintaining a constant compression ratio. It fully utilizes solar thermo-electricity for self-generation and consumption, enabling switching between jet and compression air conditioning modes to ensure all-weather air conditioning needs while achieving energy conservation and emission reduction.

The invention provides a dry ice jet cooling and cold and heat supply combined system for an electric vehicle driving mechanism. The dry ice jet cooling and cold and heat supply combined system comprises a compressor unit, a heat exchanger outside a compartment, a heat exchanger inside the compartment, a heat regenerator and a gas-liquid separator. An outlet of the compressor unit is simultaneously connected with the heat exchanger outside the compartment and the heat exchanger inside the compartment, the other connectors of the heat exchanger outside the compartment and the heat exchanger inside the compartment are respectively and simultaneously connected with an in-pipe inlet and a shell side outlet of the heat regenerator, and an in-pipe outlet of the heat regenerator is connected with a gas-liquid two-phase fluid inlet of the gas-liquid separator through an expansion valve. A gas outlet of the gas-liquid separator is connected with the compressor unit, a liquid outlet of the gas-liquid separator is connected with the nozzle, and the nozzle extends into the electric automobile driving mechanism. According to the technical scheme, the driving mechanism of the electric automobile is cooled through sublimation heat absorption of the dry ice, meanwhile, air conditioner cooling in the automobile in summer is achieved through residual cold generated by sublimation of the dry ice, and heat generated by high-temperature exhaust of the compressor is recycled for heating in the automobile in winter.

The utility model discloses a polyurethane foam plastic flame retardant cooling device, and relates to the technical related field of polyurethane foam plastic processing equipment. The cooling device structurally comprises a bottom plate, an anti-skid rubber pad fixedly arranged at the bottom of the bottom plate, a cooling water tank fixedly arranged on the right side of the top of the bottom plate, a water outlet electric valve fixedly arranged below the right end face of the cooling water tank, and fin type cooling pipes. Hot air in the cooling tank is guided into the fin type cooling pipe through the air pipe and exchanges with cooling water in the cooling water tank to cool the hot air in the fin type cooling pipe, and then the hot air is automatically exhausted through the fin type cooling pipe to prevent the hot air generated by the device from being directly exhausted and hurting workers around the device; and meanwhile, a rotary cooling box is arranged, and a first gear, a second gear and a planetary gear are used for driving the rotary cooling box to be opposite to the rotation direction of the polyurethane foam plastic flame retardant, so that the efficiency of air injection cooling of the polyurethane foam plastic flame retardant is higher.

The invention is directed to a sample support design and sample cooling devices for single-particle cryo-electron microscopy that simplify sample preparation and handling, dramatically reduce errors and improve outcome reproducibility, and dramatically reduce overall costs. A system includes a grid based sample support system, grid handling tools, grid blotting tools, a plunge cooling system, and jet cooling systems.

The application relates to a bipolar accelerated ultrasonic vibration atomized jet cooling device and an operation process, the device is divided into three coaxially arranged sections, and the outer shells of adjacent sections are connected through threads. Among them, a piezoelectric ceramic transducer of a first section nozzle is connected with a variable amplitude rod of a second section nozzle, a mesh nut is connected at the front end of the variable amplitude rod, and a guide vane is arranged between the second and third section nozzles and outside the mesh nut; the third section nozzle comprises a stepped inner cavity and a conical outer cavity, and an annular gap is formed between the two for guiding pressure gas. After the ultrasonic signal is connected, the piezoelectric transducer generates mechanical vibration, the variable amplitude rod amplifies and transmits the vibration to the mesh nut; the cutting fluid flows to the front end of the variable amplitude rod, and uniform atomized droplets are formed in front of the mesh nut. Under the guidance and pressurization of the guide vane and the annular gap, the high-pressure gas carries the fine atomized droplets to be uniformly, efficiently and high-speed sprayed, and the cutting processing area is effectively reached.

A mold with a point spray cooling system includes a module provided with a first cooling groove and a second cooling groove; it is characterized in that it also includes a first point cooling assembly and a second point cooling assembly arranged on the module; the first point cooling assembly includes a first refrigerant transmission channel, a first refrigerant nozzle and a first plug block covering the notch of the first cooling groove, the first plug block is provided with a first block channel connected to the first cooling groove, one end of the first refrigerant nozzle passes through the first block channel and extends into the first cooling groove, and the other end is connected to the first refrigerant transmission channel; the second point cooling assembly includes a second refrigerant transmission channel, a second refrigerant nozzle Tube and a second plug block covering the slot of the second cooling groove, the second plug block is provided with a second block channel connected to the second cooling groove, one end of the second refrigerant nozzle passes through the second block channel and extends into the second cooling groove, and the other end is connected to the second refrigerant transmission channel; the first block channel is connected to the second block channel, the first refrigerant transmission channel can be used to supply refrigerant to the first refrigerant nozzle, or to recover the waste refrigerant flowing into the first refrigerant nozzle; the second refrigerant transmission channel can be used to supply refrigerant to the second refrigerant nozzle, or to recover the waste refrigerant flowing into the second refrigerant nozzle.

The utility model discloses a jet cooling device for aluminum alloy processing, which comprises a base, a support frame is fixedly mounted at the top end of the base, a T-shaped track is arranged on the surface of the bottom end of the support frame, a T-shaped sliding plate is mounted in the T-shaped track in a sliding manner, a C-shaped ring is fixedly mounted at the bottom end of the T-shaped sliding plate, and the C-shaped ring is fixedly mounted on the top end of the T-shaped sliding plate. A plurality of spraying heads are movably installed on the surface of the inner wall of the C-shaped ring, and a clamping table is fixedly installed on the surface of one side of the supporting frame. The swinging plate is driven by the servo motor to rotate, so that the surface of the filter screen is scraped by the swinging plate, chips on the surface of the swinging plate are scraped into the chip collecting groove by the swinging plate and enter the chip box through the chip collecting groove, the chips are collected by the chip box, and the chip collecting efficiency is improved. Chippings are prevented from being accumulated on the surface of the filter screen to influence the filtering efficiency of the filter screen, and when the chippings need to be cleaned, the chippings in the chipping box can be poured out only by pulling out the chipping box from the outer surface of the base.

The present invention belongs to the technical field of two-phase flow evaporation heat dissipation devices, and particularly relates to a two-phase flow evaporation heat dissipation device based on the impact of a micro-jet gas array on the liquid surface, which includes a housing. A heat dissipation chamber is provided inside the housing, and a thin liquid layer is arranged inside the heat dissipation chamber. A plurality of jet holes located at the upper end of the heat dissipation chamber are provided on the housing, and the lower ends of the jet holes are communicated with the heat dissipation chamber. A ventilation groove communicated with the heat dissipation chamber is provided on the peripheral side of the housing. A retention chamber located at the upper end of the heat dissipation chamber is also provided inside the housing, and the upper ends of the jet holes are communicated with the retention chamber. An air inlet communicated with the retention chamber is provided at the upper end of the housing. The present invention can combine jet cooling and thin liquid film evaporation cooling for two-phase flow cooling, and at the same time give full play to the advantages of the two cooling methods, enabling the liquid to achieve efficient phase change heat transfer at a temperature below the boiling point, creating a high-intensity evaporation heat dissipation environment, and achieving a better heat dissipation effect.

To provide a pin-collision jet cooling structure for a turbine component and a gas turbine including the same.SOLUTION: An air foil for a turbine blade or a turbine vane includes: a cooling flow passage cavity formed inside the air foil; an insert inserted into the cooling flow passage cavity and having a plurality of cooling holes; and a cooling structure formed between an outer surface of the insert and an inner surface of the cooling flow passage cavity. The cooling structure includes: support parts each coming into close contact with the outer surface of the insert and having a plurality of collision jet holes communicating with the plurality of cooling holes; and cooling pins each coupled to a space between a lower surface of the support part and the inner surface of the cooling flow passage cavity.SELECTED DRAWING: Figure 7

The invention relates to the technical field of new energy storage and micro-grid control, and discloses an energy storage device and method for an offshore wind-light-fish complementary system, and the device comprises a battery module, a power conversion system, an energy management system, a temperature control system, and a high-voltage box. The battery module is arranged in the middle and has a sealed liquid cooling structure, the power conversion system is used for electric energy conversion, and the energy management system is used for cooperatively scheduling charging and discharging based on wind-light-fish multi-source data; a heat preservation, dehumidification and explosion-proof mechanism is integrated in the device, and a temperature control system is accurately adjusted through a closed loop; the method includes multi-energy scheduling, thermal management, power quality control and black start. Through dew point control dehumidification and directional jet cooling, the problem of large temperature difference between offshore high-humidity condensation and the battery is effectively solved; and the harmonic elimination algorithm is combined to optimize modulation, so that the electric energy quality, the power supply stability and the adaptive capacity of the system under severe working conditions in a weak power grid are improved.

This invention provides a liquid-cooled chassis that, in an immersion system, utilizes jet cooling technology to disperse the coolant, thereby achieving uniform heat dissipation and improving heat dissipation efficiency. Specifically, the liquid-cooled chassis includes a cover plate; a main board, which includes a printed circuit board, heat-generating components, and heat sinks; a liquid inlet unit, which includes an inlet pipe and an inlet port, the inlet port being disposed on the chassis, with one end of the inlet pipe leading into the chassis through the inlet port; and a liquid outlet unit, which includes an outlet pipe and an outlet port, the outlet port being disposed on the chassis, with one end of the outlet pipe leading out of the chassis through the outlet port; characterized in that the liquid-cooled chassis further includes a flow guide block, which is disposed on the cover plate or the main board.

The application relates to the technical field of power grids, in particular to a converter cabinet structure which comprises a cabinet body, a plurality of accommodation spaces are separated in the cabinet body; a first accommodation space is separated into an upper heat dissipation area and a lower heat dissipation area which are stacked in an up-down mode by a horizontal partition plate; a plurality of flow guide plates which are parallel to each other and are arranged in the transverse direction of the cabinet body, the flow guide plates and the horizontal partition plate and the top plate, the front wall and the side wall of the first accommodation space jointly define a plurality of strip-shaped air ducts, through the strip-shaped air ducts which change in the transverse direction and the cooperation of the shunt flow guide structure and the flow leakage gap design, the accurate matching of the heat dissipation resources and the heat source density is realized, the turbulence and the heat dissipation dead zone in the wide cavity can be effectively eliminated while ensuring that the mass flow deviation of each air duct is less than 8%, and the core area temperature difference is reduced; on the basis of improving the functional integration degree of the unit space, the upper and lower layers are combined with the independent heat dissipation paths, the high-opening-rate pulling module tray with the jet cooling effect and the parallel architecture of the multiple accommodation spaces.