324 results about "Forced air cooling" patented technology

The utility model relates to an efficient heat dissipation type motor, which comprises a stator and a main shaft, the outer end of the stator is fixedly connected with a heat dissipation shell, the outer end of the heat dissipation shell is fixedly connected with a plurality of heat dissipation fins which are distributed in a circumferential array around the axis of the stator, and the outer end of the heat dissipation shell is fixedly connected with a front end cover through screws. A heat absorption cavity is formed in the front end cover, a plurality of hollow heat absorption rings are fixedly connected to the end, close to the stator, of the front end cover, the heat absorption cavity and the heat absorption rings are filled with phase change materials, an overflowing ring is fixedly connected to the end, away from the stator, of the front end cover, and a plurality of phase change circulating pipes are fixedly connected to the outer end of the front end cover. According to the utility model, the collaborative design of multiple heat dissipation mechanisms is adopted, the heat dissipation efficiency of the motor is significantly improved through the organic combination of phase change material heat storage, forced air cooling and heat conduction and dissipation, and the technical problem of insufficient heat dissipation of a high-power motor is effectively solved.

The invention provides a precise baking process optimization method and system for a mini LED circuit board, a baking oven is divided into a preheating area, a main baking area and a cooling area, a double-circulation hot air system and top vertical airflow are adopted, infrared and digital humidity sensors are combined, independent temperature and humidity regulation and control are realized, nitrogen-argon mixed gas is injected, and opening and closing of injection holes are adjusted based on the thickness of a substrate, so that the precise baking process of the mini LED circuit board is realized. Maintaining positive pressure and oxygen content in the box based on a three-dimensional pressure sensor network, prolonging heating time according to environment humidity in a preheating stage, performing gradient control on a heating rate, constructing a humidity-moisture absorption rate mapping table and a three-layer neural network model, adjusting power output in combination with Z-axis temperature difference, and adopting forced air cooling and nitrogen sealing procedures in a cooling area; and a plate explosion prediction model is established, a historical data triggering parameter adjustment mechanism is combined, baking parameters are written into the two-dimensional code of the substrate through a block chain technology, and traceability of the whole process is realized.

The utility model relates to an air duct structure of a forced air cooling brake resistor. The air duct structure is arranged on a resistor box body, the resistor box body comprises a box body air duct and a resistor element arranged in the box body air duct, and the air duct structure comprises a conical air guide device, a fan, an air inlet mesh enclosure and an air outlet shell arranged at the outlet end of the box body air duct which are sequentially connected with the inlet end of the box body air duct; the air inlet mesh enclosure is a cuboid mesh enclosure, a fan receding hole is formed in one side of the air inlet mesh enclosure, and fan blades of the fan are rotationally arranged at the fan receding hole. Compared with the prior art, the air duct structure enables air flow to be evenly distributed in the air duct of the box body, prevents the air flow from generating a blind area in the air duct and causing local over-temperature of a brake resistor, can effectively reduce the adverse effect of walking wind generated when a train travels on heat dissipation of the resistor, and improves heat dissipation efficiency.

The invention provides a vacuum hot-pressing forming machine for silicone rubber production and a forming method, and relates to the technical field of silicone rubber production. The vacuum hot-pressing forming machine for silicone rubber production comprises a machine body, a hydraulic driving device, a rubber injection device, a vacuum adsorption device and an upper pressing head. By means of an innovative four-station circulation operation mode, synchronous operation of mold preheating, material forming, product cooling and finished product taking is achieved, the productivity in unit time is greatly improved, accurate temperature control is conducted on the forming mold through the directional forced air cooling technology, the cooling waiting time is greatly shortened, and meanwhile the production efficiency is improved. The cooling uniformity of all parts of a product is remarkably improved, waste heat generated in the cooling process is converted into mold preheating energy through an original heat energy recovery system, an energy closed loop in the production process is constructed, the problem that traditional equipment is high in preheating energy consumption is solved, and structural complexity caused by an additional heating device is avoided.

The invention provides a cooling device for a wind generating set, and mainly relates to the technical field of wind power generation cooling. A cooling device for a wind generating set comprises an integrated cooling platform, an intelligent control module and an external cooling heat dissipation module, and the integrated cooling platform is composed of a single cooling pump station, an external cooling heat dissipation device and a parallel type cooling branch. The parallel cooling branch is connected with the gear box, the generator and an independent heat exchange assembly of the converter through an intelligent diverter valve, and a cooling pump communicated with the parallel cooling branch is arranged in the cooling pump station. The device has the beneficial effects that the device adopts a one-pump multi-load integrated design, and the pipeline connecting length is greatly reduced, so that the layout complexity and the leakage risk in a cabin are reduced; and the external cooling heat dissipation module adopts a natural air cooling and forced air cooling self-adaptive composite structure, so that the heat dissipation efficiency of the device is effectively improved.

The present disclosure relates to heat dissipation during electric vehicle charging. Examples of the disclosure include a charging adaptor used as an intermediate coupling between a charging modality and an electric vehicle. Charging adaptors of the present disclosure can also include integrated cooling to dissipate heat generated during charging. In some examples, a charging adaptor may include a housing defining one or more vents, at least one fan unit positioned within the housing proximate to the one or more vents, and a heat sink positioned within the housing proximate to the at least one fan unit. The heat sink can absorb heat generated during electric vehicle charging. The at least one fan unit can draw outside air into the housing through the one or more vents and can direct the outside air along the heat sink to cool the charging adaptor.

The invention discloses a probe module of battery capacity grading equipment. The probe module comprises a frame main body, a probe assembly, a heat dissipation assembly and a wire arrangement assembly, a plurality of PCBs are arranged in the frame main body; the probe assembly is arranged at the bottom of the frame main body, comprises a plurality of probe interfaces and is connected in parallel with the positive and negative electrode interfaces of the PCB, and the probe assembly slides through the transverse sliding chute to adjust the distance so as to adapt to different types of batteries; the heat dissipation assembly comprises a heat dissipation plate installed above the probe assembly, and axial flow fans and fixing grooves used for clamping a PCB are arranged on the heat dissipation plate at intervals to form a forced air cooling path. The cable arranging assemblies are arranged on the two sides of the frame body and used for arranging cables. According to the invention, rapid remodeling is realized by adjusting the distance between the probes, the heat dissipation efficiency and the equipment stability are improved through integrated heat dissipation design and cable arrangement, the problems of time consumption in adjustment, insufficient heat dissipation and cable disorder of traditional capacity grading equipment are solved, the production efficiency and the multi-scene compatibility are remarkably improved, and the device is suitable for high-precision battery capacity grading detection.

The utility model discloses an outdoor energy storage cabinet, and particularly relates to the technical field of energy storage cabinets, a partition plate extending longitudinally is mounted in the middle of an inner cavity of a cabinet body, the partition plate divides the inner cavity of the cabinet body into a first chamber and a second chamber, a gap is reserved between the bottom end of the partition plate and the bottom of the inner cavity of the cabinet body to form a channel, and an airflow replacement chamber is mounted at the top of the cabinet body. A cooling mechanism is installed in an inner cavity of the airflow replacement chamber, a first open groove communicating with the interior of the airflow replacement chamber is formed in the top of the first chamber, and a second open groove communicating with the interior of the airflow replacement chamber is formed in the top of the second chamber. According to the utility model, forced air cooling and semiconductor refrigeration are combined, a dual heat dissipation mechanism significantly improves the cooling efficiency and adapts to an outdoor high-temperature environment, in the heat dissipation process, closed-loop air circulation is adopted to reduce external dust entering, the service life of equipment is prolonged, energy storage equipment and a heat dissipation system are managed in a partitioned manner, the layout is reasonable, and the space is saved.

The invention discloses a waterproof air-cooled heat dissipation marine power battery pack and a heat dissipation control method thereof, and relates to the technical field of battery equipment. The device comprises a sealing shell, wherein a storage battery is arranged in the sealing shell; a cooling assembly is arranged in the sealing shell and comprises a fixing shell installed in the sealing shell and heat exchange pipes installed on the two sides of the fixing shell. Through the synergistic effect of the cooling assembly and the air cooling assembly, the problem that the marine power battery pack is low in heat dissipation efficiency in a closed environment is effectively solved, cooling liquid circularly flows in the heat exchange pipe and is matched with the heat conduction silica gel sheet to directly absorb heat generated by the storage battery, efficient liquid cooling heat dissipation is achieved, and the service life of the marine power battery pack is prolonged. Flowing cooling liquid drives turbine blades to drive exhaust fan blades to rotate, forced air cooling is formed, the heat exchange area is increased through heat dissipation fins, the heat dissipation efficiency is further improved, stable operation can still be achieved under the ship vibration and damp working conditions, the service life of a battery is remarkably prolonged, and safety is improved.

The invention discloses a two-dimensional phased array radar array plane for an X wave band, and the array plane comprises an array plane skeleton, one side of the array plane skeleton is provided with an electric control assembly, and the other side of the array plane skeleton is provided with a connection assembly. The electric control assembly comprises an integrated board, and a module assembly is integrated on the integrated board. A connector is further arranged on one face, facing the array plane framework, of the sealing plate, an integrated frame used for integrating umbrella-shaped arrays is further arranged on the other face of the sealing plate, and the sealing plate and the integrated frame are sealed on the array plane framework through a radome. The array plane skeleton is also provided with a connecting hole, and the interior of the array plane skeleton is forcibly cooled through a fan installed in the connecting hole. All the modules are integrated on the integrated board, the electric control assembly and the connecting assembly are separated through the array plane framework, the electric control assembly and the connecting assembly are each provided with an independent heat dissipation space, forced air cooling heat dissipation is achieved through the fan, and on one hand, the equipment integration degree is high; and on the other hand, centralized heat dissipation is facilitated.

The invention relates to a switch bridge arm module cabinet, a control method thereof and a flexible loop closing device. The switch bridge arm module cabinet comprises a cabinet body and a thyristor switch valve. The cabinet body is provided with an installation space and a heat dissipation air channel. The heat dissipation air channel is communicated with the installation space and is provided with an air channel port communicated with the outside of the cabinet body. The thyristor switch valve is arranged in the cabinet body and comprises a pipe valve body and a first heat dissipation fan. Wherein the pipe valve body is arranged in the mounting space. The air inlet end of the first cooling fan faces the pipe valve body, and the air outlet end of the first cooling fan faces the interior of the cooling air channel. According to the switch bridge arm module cabinet, the pipe valve body is installed in the cabinet body, the independent heat dissipation air channel is further arranged in the cabinet body, and the first heat dissipation fan is correspondingly configured for the pipe valve body. Therefore, the switch bridge arm module cabinet can utilize the heat dissipation fan to drive airflow to perform forced air cooling on the pipe valve body, and heat is converged into the heat dissipation air channel to be discharged out of the cabinet body, so that effective heat dissipation is realized.

The injection mold with the air cooling device comprises an air driving mechanism and a shell, the shell is provided with an air channel and a mold cavity used for injecting molten plastic, the shell is provided with a first outer side wall and a second outer side wall at the position of the mold cavity, and the first outer side wall and the second outer side wall are arranged in a back-to-back mode; the air channels comprise the first air channel and the second air channel, the sectional area of the first air channel is decreased towards the first outer side wall, one end of the second air channel makes contact with the second outer side wall, the other end of the second air channel communicates with airflow outside the shell, and the sectional area of the second air channel is decreased towards the second outer side wall. The air driving mechanism comprises a first fan and a second fan, the first fan is arranged on the first air channel so as to blow airflow of the first air channel to the first outer side wall, and the second fan is arranged on the second air channel so as to blow airflow of the second air channel to the second outer side wall. The cooling airflow can act on the first outer side wall and the second outer side wall of the mold cavity in a concentrated mode, and the cooling efficiency and the cooling uniformity are remarkably improved.

This invention discloses a method and system for drying and curing non-metallic materials based on frequency-conversion microwaves. The method includes: placing the non-metallic material to be treated in a microwave resonant cavity, with a microwave-sensitive agent coated on the surface of the non-metallic material; setting the microwave frequency modulation range, power gradient, and processing time according to the type, thickness, and target drying / curing degree of the non-metallic material; starting a microwave generator and using frequency-conversion microwaves to dry and cure the non-metallic material through a stepped heating strategy and intermittent microwave radiation mode; and turning off the microwave generator and using natural cooling or forced air cooling to lower the temperature of the non-metallic material to room temperature. Using this invention, heating efficiency can be improved, and the uniformity and stability of the material drying and curing process can be ensured.

The invention relates to the technical field of temperature controllers, and provides an embedded installation structure of a dry-type transformer temperature controller, which comprises a shell, the shell is embedded into the inner side of a power distribution cabinet, one end of the shell is fixedly connected with a control panel, the upper end and the lower end of the shell are both provided with a plurality of uniformly distributed vent holes, and the inner side of the shell is provided with a heat dissipation module. The heat dissipation module comprises a heat dissipation box, a plurality of heat conduction pieces are fixedly installed on the side, close to the control panel, of the heat dissipation box, the heat conduction pieces are distributed at equal intervals in the vertical direction, a motor is fixedly installed on the outer wall of the heat dissipation box, and an air cooling assembly matched with starting of the motor to suck in external air is arranged at the top of the heat dissipation box. A liquid cooling assembly used for cooling air is arranged on the inner side of the heat dissipation box, and an air guiding assembly used for guiding out the air in the heat dissipation box is arranged at the bottom end of the heat dissipation box. According to the embedded temperature controller, the air cooling assembly, the liquid cooling assembly and the air guide assembly are creatively integrated, so that the core heat dissipation bottleneck of the embedded temperature controller is solved.

The utility model discloses a ship direct current power distribution cabinet with a double-cavity heat radiation air channel, comprising a ship direct current power distribution cabinet body, one outer side of the ship direct current power distribution cabinet body is provided with a forced air cooling assembly, and the forced air cooling assembly is internally provided with a dustproof assembly. A forced air cooling assembly is arranged on one outer side of the ship direct current power distribution cabinet body, a heat conduction and heat dissipation assembly is arranged on the other outer side of the ship direct current power distribution cabinet body, and the forced air cooling assembly and the heat conduction and heat dissipation assembly form a circulating double-cavity heat dissipation air duct structure on the ship direct current power distribution cabinet body. The forced air cooling assembly and the heat conduction and heat dissipation assembly form a circulating double-cavity heat dissipation air duct structure on the ship DC power distribution cabinet body, so that the heat dissipation performance is improved, dust in the air is filtered, the dust is prevented from entering the ship DC power distribution cabinet body, and normal use in the ship DC power distribution cabinet body is ensured.

The invention discloses an electric energy meter with an abnormal state online analysis function, and belongs to the technical field of electric energy meters. The control module is arranged in the electric energy meter body; and a plurality of mounting cavities are arranged. According to the electric energy meter with the abnormal state on-line analysis function, through the use of the detection mechanism, the modular design capable of being independently disassembled and assembled is adopted, the telescoping of the positioning block is controlled by rotating the supporting disc, the rapid locking or releasing of the detection sensor in the mounting cavity is realized, a professional tool or complex operation is not needed, the difficulty and time of field maintenance are obviously reduced, and the working efficiency is improved. The operation and maintenance efficiency is improved, flexible configuration of sensor types is supported, different monitoring requirements are met, a heat dissipation system is automatically triggered through cooperative use of the ejection mechanism and the flow control mechanism, when the detection sensor is installed in place and the butt joint is connected with the butt joint seat, the flow control motor starts fan blades to perform forced air cooling, and the working temperature of the sensor is effectively reduced.

The invention discloses a passive multi-stage heat management device with a phase change material and a control strategy, and relates to the technical field of new energy automobile motor heat dissipation, the motor heat management device is mainly composed of a forced air cooling system, an oil cooling small circulation system and an oil cooling large circulation system, and energy consumption is reduced. According to the device, passive three-level temperature control is achieved through the wax thermostat and the temperature control switches at the oil inlet and the oil outlet, so that the heat dissipation requirements of the driving motor of the new energy automobile under different working conditions are met, the structure is simple, operation is stable, the optimal temperature of motor operation can be guaranteed, the influence of too fast and too slow heat dissipation on the motor performance is reduced, and the service life of the motor is prolonged. And the operation capability in an extreme environment is improved. In order to solve the problem that a traditional motor is low in heat dissipation efficiency, the system innovatively applies a phase change material, rotor heat is intensively conducted to heat collection plates at the upper end and the lower end and then rapidly dissipated through an oil cooling system, the problem that the traditional motor is low in heat dissipation efficiency is effectively solved, and a guarantee is provided for stable operation of the new energy automobile driving motor.

The invention discloses a forced air-cooled brake device for an electric wheel mine truck, which comprises a brake device and a traction motor, the traction motor comprises a rotor shaft, an inner shell and an outer shell, the rotor shaft is provided with an axial hole, a first radial through hole and a second radial through hole, and the first radial through hole and the second radial through hole are respectively communicated with the axial hole; an inner shell and an outer shell are arranged at the two ends of the traction motor respectively, and ventilation holes are formed in the inner shell. The brake device comprises an adapter and a brake disc, the adapter is provided with an inner diversion trench, the cylindrical surface is provided with an outer diversion trench, and an inclined hole is formed between the outer diversion trench and the inner diversion trench; the left side end part of the rotor shaft is mounted in the blind hole; the second through hole is communicated with the outer diversion trench; the brake disc is provided with a second through hole and a radial air channel communicated with the inner circumferential face and the outer circumferential face of the brake disc. The invention further discloses a cooling method of the forced air-cooled braking device for the mine truck with the electric wheels. The heat dissipation efficiency during braking is effectively improved, and heat fade during braking is avoided.

The utility model discloses a heat dissipation structure and a power electronic device, the heat dissipation structure comprises a fan support, a heat dissipation fan and a first electrical connection portion, the fan support is used for being arranged on the outer side of a device casing in a detachable mode; the cooling fan is arranged on the fan support and used for being matched with a radiator on the outer side of the equipment shell so as to achieve forced air cooling heat dissipation. The first electrical connection part is arranged on the fan bracket and is electrically connected with the cooling fan; when the fan support is installed at a preset assembly position on the outer side of the equipment shell, the first electrical connection part is just connected with a second electrical connection part on a control circuit in the equipment shell in place, and meanwhile the cooling fan is matched with the radiator in place. According to the heat dissipation structure, related electronic devices of the whole machine in the power electronic equipment do not need to be disassembled, and the electrical connection position does not need to be disassembled and assembled independently, so that the operation is very simple, and the convenience of disassembling, assembling and maintaining the heat dissipation fan on the power electronic equipment is greatly improved.

The application belongs to the technical field of product curing, and particularly relates to a multi-hole UV curing processing cooling system and unit. It solves the defects of unreasonable design in the prior art. The multi-hole UV curing processing cooling system comprises a plurality of independent modular UV curing assemblies. Each of the modular UV curing assemblies is respectively provided with a forced air cooling structure for air cooling the internal space of a UV lamp box of the modular UV curing assembly. The forced air cooling structures are connected in parallel to a cold air supply terminal. Each of the modular UV curing assemblies is also respectively provided with a fluid medium cooling mechanism for heat exchange cooling of the UV lamp box of the modular UV curing assembly. The fluid medium cooling mechanisms are connected in parallel to a circulating cooling terminal. The application has the advantages that the parallel connection mode is adopted to independently control the temperature of each modular UV curing assembly, so that the temperature uniformity of each modular UV curing assembly is achieved.

The air conditioner comprises a power module, a cooling circulation pipeline and an indoor fan, a cooling medium circulates in the cooling circulation pipeline, the cooling circulation pipeline is provided with a first heat exchange section and a second heat exchange section, the first heat exchange section is connected with the power module in a heat exchange mode, and the second heat exchange section is located on an airflow path of the indoor fan. According to the invention, the cooling medium can absorb heat generated by the power module in the process of flowing through the first heat exchange section, then the absorbed heat is dissipated by cold air driven by the indoor fan in the process of flowing through the second heat exchange section, and efficient heat dissipation of the power module can be realized through repeated circulation. Compared with a refrigerant heat dissipation mode, the heat dissipation mode does not need to introduce a refrigerant circulating in the system, so that the problems that the resistance of the system is increased, and the overall performance is affected are solved; compared with a forced air cooling heat dissipation mode, the heat dissipation effect of the heat dissipation mode that the cooling medium circularly cooperates with the cold air is better.

The application discloses a production process of a composite lightning arrester protective cover. The process comprises the following steps: mixing the main runner and the branch runner which are broken after being cut off in advance with new material particles in proportion, feeding into an injection molding machine to melt and form, and obtaining a protective cover with a runner; using an automatic taking and placing mechanism to take the protective cover out of the mold and move it to a cooling station, using an automatic cooling mechanism to forcibly air cool and shape the protective cover, and shortening the cooling time in the mold; then moving to a cutting station, using an automatic cutting mechanism to cut off the main runner and the branch runner at one time, realizing the rapid separation of waste and finished products; finally, clamping an identification sheet and packaging. The process realizes the full-process automation of "waste recycling-injection-taking-cooling-cutting-packaging", not only significantly improves the cooling uniformity and product size precision, avoids deformation and burrs, but also reduces the raw material cost through the recycling of runner waste, and has the advantages of high efficiency, stability and greenness.

The utility model discloses a connecting buffer device for an industrial gas engine, which relates to the technical field of connecting buffer equipment for engines, and comprises a mounting box body, four groups of guide columns are fixedly connected to the inner side of the mounting box body, and an upper mounting sliding plate is arranged above the inner side of the mounting box body; by means of the linkage design of the first damping rod and the second damping rod, vertical vibration of the engine is converted into composite motion of axial compression and transverse stretching or compression, three-dimensional vibration energy dispersion is achieved, a rotation linkage mechanism of the double-side rotating seat effectively avoids single-direction impact overload, and the vibration energy dispersion efficiency is improved. The transmission of vibration to an engine and an external rack is remarkably reduced, a penetrating type forced air cooling system is formed through an air inlet fan and multiple sets of heat dissipation mounting through holes, heat dissipation is directly conducted on a high-heat area at the bottom of the engine, through hole matrix layout is matched with mounting hole positions of engines of different sizes, the fixing function is achieved, meanwhile, the universality of an airflow channel is considered, and heat dissipation efficiency is improved. And the heat dissipation efficiency is improved.

The present application relates to the technical field of health-care materials, and discloses a rare earth composite energy health-care product based on synergy and a preparation method thereof, which comprises monazite fine powder 10 parts by weight, silico-aluminate composite network forming agent 75-80 parts by weight, in-situ reduction and network modifier 5-10 parts by weight, and pore forming agent 3-5 parts by weight; the preparation method comprises the following steps: crushing and grading the raw ore to obtain fine powder by intercepting high-density radioactive associated ore; mixing and kneading the fine powder and the remaining components to form a green body; performing three-stage step calcination to sequentially complete low-temperature pore forming, high-temperature magnesium hot reduction to generate lattice oxygen vacancies, and introduction of high-temperature water vapor to promote the generation of amorphous liquid phase to solid-solution-embed radioactive nuclides; and finally, forced air cooling and depolymerization and crushing are performed to obtain the finished product. The present application effectively reduces the radioactivity background of the material, blocks the physical channel for the escape of decay gas, and enables the product to have the functions of safe and stable far-infrared radiation and release of negative oxygen ions.

The application relates to the technical field of brakes, and discloses an ultra-thin non-field excitation brake for precision equipment, which comprises a sleeve shell and a sealing plate, the end of the sleeve shell away from the sealing plate is inwardly folded to form an L-shaped air guide ring plate, the circumferential inner wall of the sleeve shell is provided with a limiting ring plate arranged in an integrated mode, the side of the limiting ring plate close to the air guide ring plate is provided with a wind blocking convex ring, a plurality of limiting studs are arranged between the limiting ring plate and the sealing plate, the side wall of the sealing plate is provided with a plurality of air outlet holes, a horizontal moving piece is slidably arranged between the limiting ring plate and the sealing plate through the limiting studs, a plurality of compression springs are arranged between the sealing plate and the horizontal moving piece, and the compression springs are in sleeve connection with the adjacent limiting studs. The application realizes compact and thin design of the brake, realizes power-off self-locking and two-stage redundant braking of the non-field excitation brake, and realizes passive heat dissipation design of forcibly air cooling of the fan blades by using the rotating power of the equipment.

The application relates to the technical field of heat dissipation, in particular to an oil line heat exchange device based on direct evaporative cooling, which comprises a support, a fan and a control cabinet, further comprises a heat exchange mechanism, the heat exchange mechanism comprises a heat exchange plate and an oil pipe arranged on the heat exchange plate, a water tank is arranged at the bottom end of the heat exchange plate, a water distribution groove is arranged at the top end of the heat exchange plate, a water pump is arranged between the water tank and the water distribution groove, the cross section of the oil pipe is D-shaped, and the flat surface of the oil pipe is connected with the heat exchange plate. The heat exchange plate is composed of a three-dimensional laminated heat exchange substrate group through a special stamping structure, and is covered with fibers, so that the device has good heat dissipation effect under natural evaporation or under the assistance of the fan, the unit area heat exchange efficiency is higher than that of a traditional internal circulation liquid cooling combined with forced air cooling, water consumption is low, and the problems of large installation volume and low unit area heat exchange efficiency of the oil line cooling and heat exchange equipment are effectively solved.

This invention discloses a temperature-controlled openable / closed automotive wheel hub cover and a vehicle thereof. The hub cover includes a cover body with ventilation openings on its surface. One side of the ventilation opening is covered and connected to a blade via a connecting shaft. A temperature-controlled drive assembly is also connected to the end of the blade connecting shaft. One end of the temperature-controlled drive assembly is connected to the cover body, and the other end is connected to the blade. The beneficial effects of this invention are: reduced wind resistance: when the vehicle is cruising normally and the braking system temperature is low, the blade panel remains in the closed position. At this time, the wheel hub opening is covered, effectively reducing air resistance. Enhanced heat dissipation: when the vehicle brakes, causing the system to heat up, the heat transferred to the temperature-controlled drive assembly will drive the blade panel to the open position. At this time, an opening is formed at the wheel hub, providing forced air cooling to the brake disc. Improved vehicle safety: when the vehicle deceleration exceeds a threshold, emergency braking will be triggered, forcibly activating heat dissipation, thereby preventing the braking system from failing due to overheating and guiding the system to a preset safe state.

The utility model discloses a kind of forming cooling devices for PP box production, including box, liftable upper die holder is arranged in the movable groove of box top, lower die holder is arranged in the box, the top of lower die holder is provided with forming cavity, the outside of lower die holder is provided with heat conduction plate, the side of heat conduction plate is provided with spray head, the spray head is connected with water pump by pipeline, the water pump is communicated with water tank by connecting pipe, the water outlet of box side is connected with water tank by circulation pipe, the inside of upper die holder is provided with radiating cavity. The utility model structure design is scientific and reasonable, solve the problem of low efficiency of traditional device single cooling mode, by the structure cooperation of radiating cavity, metal fin, spoiler, fan and radiating hole in upper die holder, realize the forced air cooling heat dissipation effect of upper die holder, solve the problem of simple heat dissipation structure, heat accumulation of upper die holder of traditional device, guarantee the forming cooling effect of PP box.

This invention relates to a lightweight, highly protected forced-air-cooled axial flux EVTOL motor, belonging to the field of motor technology. It includes a stator assembly, a rotor assembly, and a central barrel connecting the upper and lower rotors. The stator assembly includes a motor shaft, a stator support frame, and a yokeless motor core. Enamelled coils are wound on the motor core. The stator support frame is machined from aluminum alloy in a single process, incorporating a stator skeleton, bearing housing, and heat dissipation fins on the outer circumference of the stator skeleton. The rotor assembly includes an upper rotor and a lower rotor located on opposite axial sides of the stator assembly. The upper and lower rotors each have machined rotor inlets and outlets, centrifugal blades, and mounted magnet backing irons. Permanent magnets are mounted on the magnet backing irons. The upper and lower rotors are fixedly connected and rotate synchronously via the central barrel. This axial flux motor features a unified design of lightweight, high protection, and efficient heat dissipation, solving the technical problem of conflict between cooling methods and protection levels. It is particularly suitable for the reliability and power requirements of EVTOL aircraft under complex operating conditions.

The invention provides an independent hydraulic and electric control driving intelligent temperature control heat dissipation system, and belongs to the technical field of chassis heat dissipation. The system comprises an independent hydraulic drive fan heat dissipation module, an electronic fan heat dissipation module and an intelligent control module, and the system integrates an engine water cooling system, a pressurized air intercooling system, a drive hydraulic oil cooling system and a transmission transmission oil cooling system. A variable hydraulic oil pump and a hydraulic motor are adopted to independently drive a cooling fan to rotate, pressurized air, cooling liquid and hydraulic oil in the stacked combined type radiator are forcibly air-cooled, and an overflow valve is arranged to prevent pressure overload in the radiator; an oil-water exchanger and an electric control fan are used for cooling transmission oil of the transmission for multiple times; through the intelligent control module, a water, gas and oil multi-temperature parameter sensing network is constructed, and the real-time automatic temperature control adjusting capability is achieved. The system meets the heat dissipation requirements of the heavy armored chassis which is high in power, closed in space, compact in layout and rear-mounted in power unit.