47 results about "Core cooling" patented technology

The utility model provides a kind of deep cavity injection mold cavity core cooling mechanism, comprising: mould body, cooling assembly one and cooling assembly two, the inside of mould body is equipped with cooling assembly one for cooling, the left side surface and the right side surface of mould body are equipped with one cooling assembly two for cooling respectively, cooling assembly one includes the mounting plate for installing cooling pipe, cooling pipe is installed in the inside of mould body and is in serpentine structure, cooling assembly one includes the fixing plate for installing cooling piece, compared with prior art, the utility model has the beneficial effects as follows: by setting cooling assembly one, when using, the cooling pipe of serpentine structure prolongs the flow path of cooling medium in mould, the contact area of cooling medium in serpentine pipe flow with mould body increases, contact time is extended, can more fully absorb the heat of mould, to more effectively reduce mould temperature, improve cooling efficiency.

The application relates to a continuous mold core cooling and cleaning system for pipe forming, and belongs to the technical field of pipe production equipment. The system comprises a core rod and a cooling system. The cooling system comprises a cooling box for containing cooling water. The cooling system further comprises a first circulating pipeline for driving the cooling water in the cooling box to enter the core rod and then return to the cooling box. The cleaning system further comprises an acid box for containing an acid solution and a second circulating pipeline for driving the acid solution to enter the core rod and then return to the acid box. The first circulating pipeline and the second circulating pipeline are two sets of independent pipelines. When the first circulating pipeline is conveying the cooling water, the second circulating pipeline is in a closed state. The application has the advantage of improving the cooling effect of the core rod on the inner wall of the pipe.

Integrated passive reactor including a reactor primary circuit, a containment cooling system, a residual heat removal system, and a reactor core cooling system. Loop resistance is reduced by means of a reactor-type process design, a flow guide device is provided at a rising section of fluid to reduce the loop resistance, the rising section is shrunken to increase the arrangement space of a heat exchanger so as to further optimize system resistance, and the designs of an infinite-time passive reactor core residual heat removal system and an infinite-time passive containment cooling system are achieved. By means of the rational configuration of a pressure relief system, high-pressure safety injection is removed, and the passive reactor core cooling system is simplified. By means of the design of an auxiliary circulation device for a loss of coolant accident, the safety of a reactor core in the loss of coolant accident is further enhanced.

The utility model discloses a battery pack. The battery pack comprises a battery assembly, a battery box and a convergence assembly, and the first cooling flow channel on the bottom wall, the battery core cooling flow channel and the cooling confluence flow channel of the confluence assembly form a path for cooling the battery monomers entering and exiting the battery assembly, so that the cooling of the battery monomers is realized. The first cooling flow channel is formed on the bottom wall, so that the cooling flow channel is prevented from being arranged in the accommodating space of the battery box, the internal space of the battery box is maximized, the energy density of a battery pack can be improved, and the number of structural parts of the battery box is reduced; a large amount of gas released during thermal runaway of the single batteries can enter the gas confluence flow channel of the confluence assembly and then is discharged out of the battery pack, so that safety accidents such as fire and explosion of the whole battery pack are avoided. And the cooling medium in the cooling confluence flow channel has a cooling effect on the gas in the gas confluence flow channel, so that the temperature of the gas is reduced, and the diffusion of thermal runaway is delayed.

Disclosed is a reactor pressure vessel direct injection safety system, which comprises a first water injection pipe and / or a second water injection pipe. The first water injection pipe passes through an upper head of a reactor pressure vessel, an input end of the first water injection pipe is located outside the reactor pressure vessel and connected to a coolant source, and an output end of the first water injection pipe is located inside the reactor pressure vessel and extends through an upper core support plate to a core region. The output end of the first water injection pipe can be directly positioned to the core region to output coolant, thus enhancing core cooling efficiency. The second water injection pipe passes through the reactor pressure vessel, an input end of the second water injection pipe is located outside the reactor pressure vessel and connected to the coolant source, and an output end of the second water injection pipe is located inside the reactor pressure vessel and at least extends to a downcomer section of the reactor pressure vessel. The output end of the second water injection pipe can output the coolant directly from the downcomer section, thus facilitating flow of more coolant from a lower core support plate to the core region to serve the function of core cooling.

This utility model discloses a screw core exhaust cooling device and a screw extruder, belonging to the field of plastic extrusion technology. It includes: a screw with a unidirectional through-hole along its axis; a first support located at the open end of the screw core hole, the first support having a mounting hole and several vent holes; and an exhaust pipe, one end of which is connected to an external exhaust fan, and the other end inserted into the screw core hole through the mounting hole, forming an air intake channel between the exhaust pipe and the inner wall of the screw. When the exhaust fan is working, a negative pressure is generated at the inserted end of the exhaust pipe, driving outside air into the air intake channel through the vent holes and then drawing it out through the exhaust pipe. This exhaust cooling method overcomes the shortcomings of traditional liquid cooling methods, such as high leakage risk, complex structure, and high cost. It also compensates for the poor temperature control capability of non-core cooling structures, possessing significant advantages such as simple structure, safety and reliability, and high cooling efficiency, and has good application prospects and promotional value.

The invention relates to the technical field of transmission devices, in particular to a five-axis symmetric driving transmission device and method, and the device comprises a sealing shell, a transmission system, a cooling system and a temperature sensing control system; the transmission system adopts a five-axis symmetric layout, a first auxiliary uniform-load shaft and a second auxiliary uniform-load shaft are arranged in a mirror symmetry manner by taking the axis of the first output shaft as a center, and each shaft is provided with an axial through hollow runner; the cooling system comprises an axis cooling unit communicating with the hollow flow channel, a spray cooling unit used for spray cooling of a gear meshing area and an end face heat dissipation unit matched with the shell cooling channel. The temperature sensing control system monitors the temperature through a shaft body and a meshing area temperature sensor group, and a control terminal controls the graded operation of the cooling system according to a temperature signal; radial force self-balancing and pure torque output are achieved through a symmetrical transmission structure, and the transmission precision, the heat dissipation efficiency and the operation energy efficiency are effectively improved by combining multi-stage collaborative cooling and intelligent temperature control.

The invention relates to the technical field of high-temperature valves, and discloses a medium cooling type high-temperature ball valve which comprises a valve body, an integrated hollow valve ball body and a hollow valve rod, a circumferential first cooling medium annular flow channel is formed in the hollow valve ball body, and the hollow valve rod communicates with the flow channel; a jacket is arranged outside the valve body and forms a second cooling medium annular flow channel with the valve body; the two ends of the hollow valve rod are provided with rotary joints and connected into a circulating cooling system. Internal core cooling and external global cooling dual-path collaborative cooling are adopted, the external bearing, the axial movement limiting structure and the piston type pre-tightening valve seat are matched, the high temperature of 800 DEG C or above can be stably resisted for a long time, and the high-temperature-resistant ball valve has the advantages of being high in cooling efficiency, smooth in opening and closing, reliable in sealing, long in service life, low in manufacturing cost and the like; the method is suitable for superhigh-temperature fluid control working conditions such as thermal power generation, metallurgy and chemical engineering.

The invention provides a recirculation device suitable for a nuclear power integrated small reactor, which comprises a valve body, a first sealing assembly and a second sealing assembly, the interior of the valve body is divided into a first cavity and a second cavity through a main valve seat and an auxiliary valve seat, and the first sealing assembly consisting of a first elastic piece, a pressure-bearing piston and a main valve core is matched; by means of dual passive driving logic driven by pressure container side medium pressure and triggered by water level buoyancy in a containment vessel, sealing redundancy guarantee is achieved, the risk of mistaken opening under the non-accident working condition is eradicated through the design of dual-condition linkage conduction, and the safety performance of the safety valve is improved. Meanwhile, the first sealing assembly can automatically release pressure when the second chamber is overpressure, no external power is needed in the whole process, the problems that an existing recirculation valve is insufficient in sealing redundancy, prone to being opened by mistake, overpressure in the chambers and the like are effectively solved, and the safety and operation stability of reactor core cooling under the water loss accident of the integrated small reactor are remarkably improved.

The utility model relates to the technical field of mould manufacturing production, disclose a slider core cooling structure and mould, including the slider (1) of shift setting on the movable template (28) and the slider core (2) of setting to the one side of slider (1), every slider core (2) all is provided with cooling water path (3), a plurality of cooling water path (3) are connected in series into circulating water path (5) by the link water path (4) in proper order head to tail, the link water path (4) is set in slider (1), the both ends of circulating water path (5) all extend to the lateral wall of slider (1) to form the water inlet (7) and the water outlet (8) for respectively connecting water source, a slider core cooling structure and mould of the utility model, through the cooling water path (3) of series connection, can accelerate the cooling speed of each slider core (2). When slider core (2) is in the process of drawing the product inner cavity, can accelerate the cooling solidification of product, to improve the core-pulling efficiency, and prevent the product from being damaged, to guarantee the yield of product.

The invention relates to the field of cold chain transportation, in particular to refrigeration equipment for cold chain logistics engineering and an installation method thereof.The refrigeration equipment comprises a compartment body installed on a cold chain vehicle and is characterized in that a refrigeration cabinet, the refrigeration equipment, a compartment door and a side door are arranged on the compartment body, and the refrigeration cabinet is arranged on the outer side of the compartment body; the refrigeration equipment is arranged on the inner side of the compartment body and communicates with the refrigeration cabinet, and in the actual use process, workers can enter the compartment body by opening the side door with the relatively small area. After entering, personnel can directly act on the conveying mechanism on the functional part and go in and out through the side door to carry out tallying or auxiliary operation, and goods are conveyed outwards through the conveying mechanism and the window of the thermal insulation cavity. Due to the fact that the opening frequency of the side door is high, the single opening area is small, and the core cooling capacity of the main goods storage area is not directly interfered, the full-open state of the cabin door caused by people entering and exiting is greatly reduced, and instant leakage of a large amount of cold air is effectively avoided.

An emergency core cooling system, comprising a first line (1) and a second line (2), wherein the first line (1) comprises a first safety injection pump (101), a second safety injection pump (102), a f

The utility model provides a rotor iron core cooling device, and belongs to the technical field of iron core cooling. The device comprises a clutch assembly, the clutch assembly comprises a first split body, a second split body and an elastic connecting piece, the first split body and the second split body extend in the axial direction of a center hole of a rotor iron core, part of the peripheral faces of the first split body and the second split body are configured to be matched with the inner wall of the center hole, and the first split body and the second split body are each provided with a cooling pipeline; two ends of the elastic connecting piece are respectively connected with the first split body and the second split body; the movable inserting piece comprises a main body part and a first reducing part, the maximum radial size of the first reducing part is larger than that of the main body part, and the movable inserting piece extends between the first split body and the second split body; and the driving part is used for driving the movable plug-in to move along the axial direction of the rotor iron core so as to enlarge the distance between the first split body and the second split body after the first reducing part extends into the space between the first split body and the second split body. The rotor core cooling device provided by the utility model can improve the cooling efficiency.

The present application relates to a reactor core cooling system, which comprises a main heat transfer loop and a makeup water unit, the makeup water unit comprises a makeup water tank and a makeup water pipe, the height of the makeup water tank is greater than the height of the reactor pressure vessel, the inlet end of the makeup water pipe is connected with the makeup water tank, and the outlet end of the makeup water pipe is connected with a cold leg. When the initial stage of the loss of coolant accident occurs, the main pump is still running, and the coolant flows in the cold leg, and under the pressure of the main pump, the coolant flows into the reactor pressure vessel through the inlet nozzle. At the same time, the coolant in the makeup water tank flows into the cold leg through the makeup water pipe due to the gravity, and after mixing with the coolant in the cold leg, the coolant enters the reactor pressure vessel from the inlet nozzle of the reactor pressure vessel under the pressure of the main pump. That is, the coolant in the makeup water tank of the present application can be driven by the gravity and the pressure of the main pump to enter the pressure vessel, thereby reducing the influence of the static pressure in the reactor pressure vessel and increasing the flow rate.

The utility model discloses a motor with a core cooling water pipe embedded in a shell, which comprises a motor shell, a stator, a rotor, a front end cover and a rear end cover, a cooling water channel is arranged in the motor shell, a cooling water channel is embedded in the motor shell, the motor shell and the cooling water channel are integrally cast and formed, and a water inlet and a water outlet are arranged on the outer side surface of the motor shell. The cooling water channel comprises an outer ring water channel and an inner ring water channel which are communicated with each other. Through the design of the mode, the contact area between water flow and the motor shell can be effectively increased, the heat dissipation efficiency is improved, and the overall strength of the motor shell is also improved.

This invention discloses a method for improving the microstructure and properties of steel used in marine engineering, belonging to the field of steel material hot working and microstructure control technology. This method constructs a synergistic process system of "deep-penetration high-reduction rough rolling—three-stage gradient finish rolling—dual-zone red-heat steady-state temperature control—regional strengthening quenching—low-temperature self-tempering homogenization," ensuring consistency in temperature, deformation, and phase transformation processes between the surface and core of thick-gauge marine engineering steel. Ultra-low speed high-reduction rolling achieves sufficient core deformation, and dual-zone red-heat and regional quenching technologies increase the core cooling rate by 60–100%, followed by short-time self-tempering to form an ultrafine ferrite-bainite composite microstructure. 60–100 mm thick marine engineering steel treated by this method exhibits a core impact value exceeding 80 J at -40°C and maintains 50–65 J at -60°C, with a 55–62% improvement in seawater corrosion resistance, significantly enhancing the consistency of properties in the thickness direction and reliability in extreme environments.

This invention relates to the field of auxiliary equipment cooling technology for thermal power units, and discloses a bearing cooling structure for feedwater pumps in thermal power units. The structure includes an outer casing and a circulating water cooling mechanism. The outer casing serves as the mounting base for the entire auxiliary equipment cooling system, providing stable installation space and protection for internal functional components. It also adapts to the installation conditions of the feedwater pump bearings, ensuring assembly compatibility between the auxiliary equipment cooling system and the main body of the feedwater pump. The circulating water cooling mechanism, as the core cooling execution unit, provides continuous circulating water cooling to the bearings, removing a significant amount of frictional heat and heat conducted by the medium during bearing operation. This bearing cooling structure for feedwater pumps in thermal power units utilizes a water impeller to increase coolant flow rate and enhance heat exchange efficiency. Combined with guide blocks, it eliminates heat exchange blind spots. A fan impeller, along with a cooling duct, provides auxiliary air cooling, further improving the cooling effect. The overall structure is stable and reliable, meeting the high-load continuous operation requirements of feedwater pumps in thermal power units.

The utility model provides a lower mold core cooling system and an injection mold. The lower mold core cooling system comprises a lower mold core fixing seat, a lower mold core and a plurality of cooling rods. The lower mold core fixing seat is provided with a cooling water channel and a plurality of first cooling water wells which are sequentially communicated with the cooling water channel, and the cooling water channel is used for introducing circulating cooling water; a plurality of forming protrusions are formed on the top of the lower mold core and used for forming a plurality of deep cavity hole positions of a product body, a plurality of second cooling water wells are formed in the bottom of the lower mold core, each second cooling water well extends to be arranged on the back of the corresponding forming protrusion, and the lower mold core is fixedly installed on the lower mold core fixing base. The plurality of first cooling water wells are communicated with the plurality of second cooling water wells in a one-to-one correspondence manner; the first end of each cooling rod is inserted into the corresponding first cooling water well, the second end of each cooling rod is arranged in the corresponding second cooling water well, and the multiple cooling rods are used for guiding heat from the second ends of the cooling rods to the first ends of the cooling rods.

The utility model discloses a forming die for a five-way valve pipe structure of an electromagnetic valve, and relates to the technical field of dies. Comprising an upper die and a lower die. Through the double-cooling-water-path design of the upper mold core and the lower mold core, efficient and uniform cooling is achieved, the forming period is remarkably shortened, the product consistency is improved, it is guaranteed that the upper mold core and the lower mold core are rapidly cooled through circulating cooling liquid of multiple sets of independent cooling water paths, local overheating deformation is avoided, and the forming precision is guaranteed; the functions of long-stroke stable core pulling and automatic demolding are combined, the mold splitting distance is large, movement is reliable, an ejector pin demolding mechanism is matched with spring reset and four-corner stabilizer bar guiding, rapid demolding and precise reset are achieved, the blocking risk is eliminated, the overall module structure is compact, injection and cooling of forming raw materials are synchronously optimized, the production takt is shortened, and the production efficiency is improved. And the advantages of efficient forming and stable operation are achieved, and the product quality and the production efficiency are greatly improved.

The utility model discloses a current collecting disc and a battery with the same, the current collecting disc comprises a welding plate, a fixing groove and a pole button, the pole button is of an annular structure and is arranged on the welding plate, and the fixing groove is arranged on the welding plate on the inner side of the pole button. The flow collecting disc is of an integrated structure formed through extrusion, the machining difficulty is small, and the production efficiency is high; the current collecting disc adopts a hollow design, so that the proportion of structural parts can be greatly reduced, the use of adapter plates is reduced, and the installation and fixation of the electrode and the roll core cooling structure are also considered; the expansion of the roll core can be inhibited by adjusting the wall thickness of the shell in different widths, the energy density is improved, and the cycle life of the battery is prolonged; the shell is provided with the anti-explosion valve and the liquid injection hole structure, the electrolyte in the battery can be conveniently supplemented by utilizing the liquid injection hole, and the battery shell can be prevented from being damaged due to overlarge internal pressure when the roll core is excessively expanded through the anti-explosion valve.

This utility model discloses a horizontally rotating filter element cooling and shaping device, including a clamping mechanism for gripping the filter element and a first driving device for rotating the clamping mechanism. By setting up the clamping mechanism to grip the filter element, the clamping mechanism can adjust different internal spacings to accommodate filter elements of different widths, avoiding prolonged occupation of molds. When it is necessary to change to different models of filter elements, since the operation of the clamping mechanism does not rely on molds, no mold is needed after the edge bonding is completed, reducing the number of molds required, increasing the speed of model changeover, and reducing costs. Simultaneously, through the rotating clamping mechanism, when one filter element is gripped, the first driving device rotates it to the next station, and the corresponding other clamping mechanism grips another filter element. Through circumferential rotation with a certain stroke, the filter element is cooled during transport, thus avoiding the need for a large space for cooling operations.

The application discloses a power battery with double phase change materials and multiple cooling modes and a temperature control method thereof. The power battery comprises a box body, an electric core cooling chamber is arranged in the box body, a plurality of electric core groups are arranged in the electric core cooling chamber, solid-solid-solid liquid double phase change materials are filled between the electric core groups, a liquid phase material collecting system is communicated with the lower portion of the electric core cooling chamber, a solid phase particle feeding system is communicated with the upper portion of the electric core cooling chamber, the liquid phase material collecting system is communicated with the solid phase particle feeding system outside the electric core cooling chamber, a liquid cooling circulation system is arranged between the liquid phase material collecting system and the solid phase particle feeding system, and fin-shaped radiator groups are arranged around each electric core group, and the fin-shaped radiator groups are connected with a condensate circulating system. The application can significantly improve the heat dissipation efficiency and temperature field uniformity, quickly respond to the sudden temperature rise of the battery under high load, and effectively alleviate the temperature rise problem in the fast charging, high-speed driving and other scenes.

An axial flow fan blade mold core cooling structure comprises a mold core assembly and an insert assembly arranged on the mold core assembly, and a cooling water path used for cooling the mold core assembly is arranged between the mold core assembly and the insert assembly. According to the axial-flow fan blade mold core cooling structure, the mold core assembly is provided with the insert assembly, and the cooling water channel used for cooling the mold core assembly is arranged between the mold core assembly and the insert assembly, so that compared with a traditional cooling scheme, the axial-flow fan blade mold core cooling structure is simple to assemble by a bench worker, the insert can be directly assembled, a blocking spacer is not needed, the bench worker time is saved, and the production efficiency is improved. The phenomenon of stagnant water caused by improper assembly of a bench worker is avoided, the cooling cross sectional area is large, the water flow is high, the cooling effect is uniform and good, the cooling flow length ratio is smaller than the cooling flow length ratio of the blocking spacer, the mold core is fully cooled, shrinkage deformation of a product caused by temperature is reduced, and the product bounce value of a traditional cooling scheme is about 1.2; according to the cooling scheme, the jumping value is controlled to be 0.2-0.4 after the cooling water conveying mode is changed, and the requirements of customers are met.

A stator (100) for an axial flux electric machine, comprising:-stator members (201), each comprising: 0 ferromagnetic core portion (202); a 0 coil (204); 0 a sleeve (203) placed around the core (202); -a housing comprising a port adapted to supply a cooling fluid, in which: for any stator component (201), the sleeve (203) comprises a first set of holes (305, 900) and a second set of holes (303, 304), each set comprising one or more holes arranged as openings in the sleeve wall (301, 302), and any hole comprised in the first set (305, 900) is in fluid communication with at least one hole comprised in the second set (303, 304), and wherein: the sleeve (203) comprises, for any stator component (201), a first set of holes (305, 900) and a second set of holes (303, 304), each set comprising one or more holes arranged as openings in the sleeve wall (301, 302); the sleeve openings (305, 900, 303, 304) are arranged such that, for any stator member (201), cooling fluid flows at least partially via paths through the sleeve openings (305, 900, 303, 304), thereby flowing along and / or through the respective core (202).

1. Name of the product in this design: Silicon Core Cooling Ring. 2. Purpose of this design: To cool silicon cores during the pulling process in a zone furnace. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D view of the assembled state. 5. Other situations requiring explanation: This product design includes two components: component 1 is the outer ring and component 2 is the inner ring. Component 1 and component 2 are used together.

The present application relates to the field of battery energy storage, and particularly relates to a submerged liquid-cooled energy storage battery pack and a battery pack testing device. The submerged liquid-cooled energy storage battery pack is provided with an electric core cooling cavity in the shell, a plurality of liquid inlet holes and a plurality of liquid outlet holes are respectively arranged on the two opposite side walls and staggered along the second direction, two rows of electric core modules are arranged at intervals along the second direction, a first heat dissipation flow channel is formed therebetween, and a second heat dissipation flow channel is formed between adjacent electric cores. The liquid inlet holes are arranged opposite to the first heat dissipation flow channel in the first direction and are injected in multiple points. The liquid outlet holes are staggered with the first heat dissipation flow channel and are respectively connected to each second heat dissipation flow channel. The flow cross section of the first heat dissipation flow channel decreases along the first direction to match the flow distribution along the path and approximately equalize the static pressure. This structure realizes uniform sending in the middle and uniform taking on both sides, suppresses short-circuit flow and stagnant flow, and improves the flow consistency of the gap and the gap between the electric cores and the uniformity of the heated wall surface temperature under the condition of low resistance increase.

The utility model provides an end portion cover plate of a motor rotor, the motor rotor and a motor, the end portion cover plate comprises a plate body, and the plate body is provided with an inner end face used for being in butt joint with the end face of a rotor iron core; the oil return channel is arranged in the plate body; the oil return channel is provided with an oil receiving opening and an oil return opening, and the oil receiving opening is used for receiving cooling oil flowing out of an outlet of the rotor iron core cooling oil channel; the oil return opening is used for guiding the cooling oil back to the rotor iron core; the oil return channel is communicated with the outside of the motor rotor through the oil discharge channel; the oil receiving opening and the oil return opening are formed in the inner end face. According to the utility model, the oil return channel receives the cooling oil flowing out from the outlet of the rotor core cooling oil channel through the oil receiving opening pair, and then guides the cooling oil back to the rotor core from the oil return opening, and the cooling oil can directly contact with the end face of the rotor core so as to directly cool the magnetic steel, so that the cooling effect of the end face of the rotor core is better; the overall heat dissipation efficiency of the motor is high, and the performance of the motor is improved.

The utility model belongs to the technical field of iron roller machining, and particularly relates to an iron core cooling device which comprises a working table, a clamping piece is installed on the top of the working table, a moving assembly is installed on the top of the working table, an ejector pin piece is installed on the top of the moving assembly, and a cooling assembly is arranged on the top of the working table. Leaking holes are formed in the top of the workbench, a collecting box is fixedly installed at the bottom of the workbench, and a screening assembly is installed in the collecting box. According to the cutting fluid collecting device, when cutting fluid mixed with scrap iron falls onto the screening net, the screening net can block the scrap iron, the cutting fluid can fall off from the screening net and flow out of a fluid outlet in the bottom of the collecting box to be collected and treated, and then a pulling column is pulled to drive a connecting rod and a cleaning brush to move; the scrap iron accumulated on the top of the screening net is swept to the right side of the collecting box, the scrap iron can be taken out of the collecting box to be collected by opening a closing cover, and the effect of separating and screening the cutting fluid mixed with the scrap iron is achieved.

This invention discloses an optimized design method for inter-cylinder fins in a multi-cylinder air-cooled diesel engine, belonging to the field of engine cooling structure optimization. The method involves: obtaining performance and state parameters of the air-cooled engine through bench tests; constructing a one-dimensional simulation model of the air-cooled engine to obtain gas state parameters during the thermodynamic cycle within the cylinder; establishing a three-dimensional temperature field simulation model of the air-cooled diesel engine cylinder; combining the inter-cylinder airflow distribution characteristics and local heat load differences of the multi-cylinder air-cooled diesel engine, using a zonal optimization strategy to divide the fin design area and define optimization variables for each area; constructing a neural network prediction model between the optimization variables and the objective function; and using multi-objective optimization and decision algorithms to select the optimal inter-cylinder fin optimization results from the frontier solution set. This invention provides a core cooling structure for power enhancement of air-cooled diesel engines by precisely matching the heat load requirements after power enhancement, simultaneously achieving efficient heat dissipation, uniform cooling, and low flow resistance.