70results about How to "Improve air cooling efficiency" patented technology

A heating, ventilation, air conditioning, and refrigeration system is includes one or more variable frequency drives (VFD) controlled by one or more VFD controller, which are configured to provide three-phase power to one or more three-phase AC motors and single-phase power to one or more single-phase AC motors. The system also includes a power source controller configured to select from a plurality of power sources based on availability of one or more power sources and time so as to maximize the economic efficiency of operating the system.

The invention belongs to the technical field of nuclear power plant spent fuel pools and safe protection measure design thereof, and particularly relates to a containment built-in spent fuel pool, which comprises a spent fuel pool, a containment built-in water tank, a containment shell, a condensed water collector, valves, pipelines, a recirculation port and a containment cooling system, wherein the spent fuel pool and the containment built-in water tank are arranged inside the containment and are connected, the top of the containment built-in water tank is provided with the condensed water collector, the condensed water collector is connected with the inner wall of the containment shell, the lower end of the containment built-in water tank is connected with a reactor pressure vessel through the pipeline, the pipeline is provided with the valve, the recirculation port is connected on the outlet pipeline of the containment built-in water tank, and the containment cooling system is arranged on the outer portion of the containment shell. According to the present invention, the passive manner is adopted to cool the spent fuel without dependence on the external power supply so as to improve safety of the spent fuel pool under accidents and ensure radioactivity packaging and safe cooling of the spent fuel.

A vehicle 1000 has two pipings 60 and 62 arranged to discharge an exhaust gas from a fuel cell stack 10 to the outside of the vehicle 1000. An outlet provided at an end of the piping 60 is located at an underfloor position in a rear portion of the vehicle 1000, while an outlet provided at an end of the piping 62 is located at a roof rear end of the vehicle 1000. When the outlet provided at the end of the piping 60 is blocked or when there is a potential for such blockage, the outlet provided at the end of the piping 62 is used to discharge the exhaust gas from the fuel cell stack 10 to the outside of the vehicle 1000. This arrangement ensures continuous drive of the vehicle 1000 even in a specific environment where any of various obstructing objects as the cause of blockage of the outlet is present in the surroundings of the vehicle 1000.

The invention discloses a solar photo-thermal vapor-liquid two-phase flow thermal expansion power generating system. The system consists of a solar thermal collector array, a booster pump, a vapor-liquid two-phase flow thermal expansion power machine, a generator and corresponding pipelines, and is characterized by being provided with a hot water-collecting well which is supplied with water by a water treatment device, wherein circulated hot water in the hot water-collecting well is pumped to a water supply main pipe through the booster pump; the water supply main pipe is used for distributing the circulated hot water to the solar thermal collector array; the circulated hot water is heated to a saturation temperature through all heat receivers of the solar thermal collector array and then is collected to a vapor-liquid two-phase flow saturation water main pipe; vapor-liquid two-phase flow saturation water in the vapor-liquid two-phase flow saturation water main pipe is matched with vapor-liquid two-phase working medium parameters through an expanded vapor-liquid matcher and then is conveyed to the vapor-liquid two-phase flow thermal expansion power machine to do work and drive the generator to operate; and vapor-liquid two-phase working media after work application flow back to the hot water-collecting well for recycling through a backflow pipeline.

The invention provides a cabinet system. The cabinet system comprises a back panel device, a functional plate and a fan, wherein the back panel device comprises (2N+1) sub back panels, each sub back panel comprises first interconnection back panels and a second interconnection back panel, the second interconnection back panel is arranged between each two first interconnection back panels at equal interval, the functional plate is horizontally arranged between the first interconnection back panels and the second interconnection back panel and is horizontally and orthogonally connected with the first interconnection back panels and the second interconnection back panels, the fan is arranged between the first interconnection back panels and the second interconnection back panel and on a plane perpendicular to a plane where the first interconnection back panels and the second interconnection back panel are located, and N is an integer more than or equal to 1. By the cabinet system, the problem of low heat dissipation efficiency caused by a heat dissipation opening hole, limited by electrical interconnection between functional modules, of a cabinet system in the relevant art is solved.

Disclosed is a cooling system of a battery-powered electric hydraulic excavator. Cooling liquid of the cooling system is driven to flow by an electric water pump, flows out of a cooler and returns to the cooler after passing through a motor controller and a motor. The direct-current motor is used for driving fans, and an air draft type cooling mode is adopted. A cooling liquid radiator is in parallel connection with a hydraulic oil radiator to form the parallel connection type cooler. Flow rate of the cooler is brought away by air. The direct-current motor is controlled by the controller intelligently and can be set by taking cooling liquid temperature, motor temperature, motor controller temperature and hydraulic oil temperature as control conditions to control turn-on of different fans and rotating speed of the fans, and the fans cannot rotate or run at low rotating speeds when the cooling liquid and the hydraulic oil are low in temperature, so that low-noise, high-efficiency and energy-saving cooling effects are achieved.

A forming method for a heat dissipating structure is provided. According to the method, an extrudate is formed by extrution molding, wherein the extrudate includes protruding bending portions extending in parallel. Fins are extruded monolithically on the bending portions. One or more cut channels are formed by cutting the fins and the extrudate with a cutting tool. The cutting tool cuts the fins for forming a notch on each fin at first, and then cuts the bending portions for forming a cut-through slot on each bending portion, wherein each cut-through slot is formed for cooling air flowing through two side of the extrudate. By cutting the bending portions and the fins by the cutting tool at the same time, a large number of cut-through slots are formed in despite of the existence of the fins, and the performance of heat dissipation is enhanced.

The invention discloses a heat dissipation device which comprises an independent air duct module and at least one heat pipe radiator, wherein the heat pipe radiator comprises a heat collecting fin, aheat pipe and a heat dissipation fin which are connected in turn; a cavity is formed in the independent air duct module; The invention also discloses a chassis with a heat dissipation device. The chassis can effectively dissipate heat from a heat source far from the chassis through a modular air duct design, simple structure and an integral scheme formed by combining a heat pipe radiator.

A forming method for a heat dissipating structure is provided. According to the method, an extrudate is formed by extrution molding, wherein the extrudate includes protruding bending portions extending in parallel. Fins are extruded monolithically on the bending portions. One or more cut channels are formed by cutting the fins and the extrudate with a cutting tool. The cutting tool cuts the fins for forming a notch on each fin at first, and then cuts the bending portions for forming a cut-through slot on each bending portion, wherein each cut-through slot is formed for cooling air flowing through two side of the extrudate. By cutting the bending portions and the fins by the cutting tool at the same time, a large number of cut-through slots are formed in despite of the existence of the fins, and the performance of heat dissipation is enhanced.

The invention relates to an air fryer which comprises a machine body with a cooking cavity formed inside, a fryer body capable of going in and out of the cooking cavity and an electric heating devicearranged in the machine body and located above the cooking cavity, and the fryer body comprises a first fryer body and a second fryer body. An integrated oven cavity inner container is arranged in a cooking cavity of the machine body, a first containing cavity and a second containing cavity which can contain the first fryer body and the second fryer body respectively are formed in the integrated oven cavity inner container, the first fryer body is arranged in the first containing cavity, and the second fryer body is arranged in the second containing cavity. A gap is formed between the side wall of the opening of the first containing cavity and the adjacent side wall of the opening of the second containing cavity, and the gap forms a cold air duct. The air fryer has the advantages that theintegrated cooker cavity inner container structure is adopted, the material cost is saved, the assembling efficiency is improved, the first fryer body and the second fryer body which are independent are arranged, the cold air duct is arranged between the two containing cavities, heat dissipation of the cooker body is facilitated, and the working environment of components such as a motor in the cooker body is guaranteed.

The invention provides a lithium ion battery rack with double pipelines. The device comprises a battery rack, a cooling pipe, an exhaust pipe and a battery box; the battery rack comprises four mounting columns; the same top plate is mounted at the top ends of the four mounting columns; the same bottom plate is mounted at the bottom ends of the four mounting columns; a plurality of partition platesare mounted among the four mounting columns; the cooling pipe comprises an air supply pipe and an air inflow pipe; the air supply pipe is communicated with the air inflow pipe; a plurality of air outlets are formed in the air supply pipe; a first fan is mounted at the junction of the air supply pipe and the air inflow pipe; wherein the exhaust pipe comprises a main pipe and a plurality of branchpipes; the bottom side of the exhaust pipe is an air inlet; the top side of the exhaust pipe is an air outlet; the battery box comprises a box body; an air outflow pipe is arranged on the box body; aone-way valve is arranged in the air outflow pipe; cooling fins are arranged on the bottom side of the box body; the air outlet is connected with the cooling fins; and the air outflow pipe is connected with the corresponding branch pipes. The lithium ion battery rack with the double pipelines has the advantages of good heat dissipation effect, high safety performance and simple structure.

The invention discloses a heat dissipation device of a hybrid vehicle, which comprises a battery pack, wherein the battery pack is sleeved with a heat conduction sleeve; the lower end of the heat conduction sleeve is connected with a bottom plate through a plurality of uprights; a fixing groove is formed in the center of the upper side of the bottom plate; a driving motor is fixed in the fixing groove; a fan blade is connected with a driving end of the driving motor; a mounting column is fixedly connected with the center of the lower side of the battery pack; first mounting grooves are formedon the sides, close to the mounting column, of the uprights; first connecting rods are rotationally connected with internal side walls of the first mounting grooves through first rotating shafts; andthe first connecting rods are connected by first elastic guide cloth. The device adopts cooperation of air cooling and water cooling and improves heat dissipation efficiency; at the same time, the first elastic guide cloth and second elastic guide cloth guide air generated by rotation of the fan blade, so that the air conveniently flows out of a gap between the heat conduction sleeve and the battery pack; and the sufficient air cooling is ensured.

A vehicle 1000 has two pipings 60 and 62 arranged to discharge an exhaust gas from a fuel cell stack 10 to the outside of the vehicle 1000. An outlet provided at an end of the piping 60 is located at an underfloor position in a rear portion of the vehicle 1000, while an outlet provided at an end of the piping 62 is located at a roof rear end of the vehicle 1000. When the outlet provided at the end of the piping 60 is blocked or when there is a potential for such blockage, the outlet provided at the end of the piping 62 is used to discharge the exhaust gas from the fuel cell stack 10 to the outside of the vehicle 1000. This arrangement ensures continuous drive of the vehicle 1000 even in a specific environment where any of various obstructing objects as the cause of blockage of the outlet is present in the surroundings of the vehicle 1000.

The invention discloses a water-cooling and air-cooling combined computer mainframe box. The box comprises a box body, wherein an opening is formed in the side surface of the box body; a component mounting frame fixed on the inner side of the box body; wherein air cooling mechanisms are arranged on the two sides of the box body. The air cooling mechanism comprises a first fan, a second fan and a third fan; a water cooling mechanism is also arranged in the box body; the water-cooling mechanism comprises a water tank, a circulating pump, a three-way pipe, a control valve, a water inlet pipe, a water-cooling head and a water outlet pipe; the air cooling mechanism further comprises a temperature sensor and a control module. The signal input end of the control module is in signal connection with the temperature sensor; the signal output end of the control module is in signal connection with the fan switch, the pump switch and the control valve. By arranging the three fans, the fans work independently and cooperate with the water cooling mechanism through the control module, so that extra power loss is reduced during heat dissipation, and the heat dissipation device is economical and practical.

The invention discloses a continuous air cooling device for plywood. The continuous air cooling device comprises an upper air cooling box and a lower air cooling box; the upper air cooling box is located directly above the lower air cooling box; the opposite outer box walls of the upper air cooling box and the lower air cooling box are fixedly and uniformly connected with a plurality of supportingcomponents linearly at equal intervals; the supporting components are provided with pulleys; a vent hole is formed between any two adjacent supporting components; the vent holes are formed in the corresponding opposite box walls of the upper air cooling box and the lower air cooling box; air outlets which are corresponding to the vent holes, are formed in the box walls of the upper air cooling box and the lower air cooling box which are far away from each other; the vertical inner box walls of the upper air cooling box and the lower air cooling box at the same side are fixedly provided with two motors respectively; the output ends of the motors are connected with rotating rods through couplings; and horizontally-arranged fixing plates are installed in the upper air cooling box and the lower air cooling box; and the fixing plates are arranged between the two motors. According to the continuous air cooling device for plywood of the invention, two sets of blades with the same rotation direction are adopted, so that the speed of the heat dissipation of the plywood is higher.

The invention discloses a high-voltage switch cabinet which comprises a switch cabinet body, a transformer winding is fixedly connected to the bottom of the inner wall of the switch cabinet body, boxbodies are fixedly connected to the front side and the rear side of the inner wall of the switch cabinet body, and openings in the box bodies face the transformer winding; a rotating shaft driven by apower mechanism to rotate is rotatably connected to the inner wall of the box body in a limited mode, a radial through hole is formed in the surface of the rotating shaft, a transmission rod is slidably connected to the surface of the rotating shaft in a limited mode through the through hole, a circular ring is fixedly connected to the end of the transmission rod, and a first stop block and a second stop block are fixedly connected to the surface of the transmission rod. According to the invention, through cooperative use of the mechanisms, the problems that in the actual use process, due tothe fact that a traditional high-frequency transformer switch cabinet is insufficient in heat dissipation effect, the service life is short are solved; the problems that a transformer is dampened occasionally in sunny days, the dampening condition is more easily intensified in a switch cabinet, and elements in the transformer are potentially damaged are solved.

The invention relates to an intelligent rapid digestion device. The intelligent rapid digestion device is characterized in that: a digestion device is connected to a cooling device, a lifting device is located above the middle of the digestion device and the cooling device and is fixed to the rear side of the digestion device, an air flue is arranged between the digestion furnace and the casing ofthe digestion device, a blowing fan is fixedly connected to the interior of the air flue at the inner wall of the casing, a fan is arranged on the interlayer of the casing of a cooling tank of the cooling device and the cooling tank or on the side of the inner wall of the casing, air holes are arranged in the inner wall of the cooling tank, a lifting stand column of a lifting device is fixedly connected to the rear side of the digestion device, a rotating support arm is connected to the lifting stand column, the rotating support arm can be automatically lifted, dropped and rotated so that labor is saved and the air cooling and water cooling processes are alternate in the same zone and thus cooling time is saved, the digestion pipe is circularly cooled through water so that the cooling time of the furnace is shortened, and the digestion pipe and a waste discharge hood are provided with frosted ports so that the overflow of the exhaust gas is reduced.

The invention relates to a piezoelectric fan with laminating type blades. The piezoelectric fan comprises an elastic metal sheet and a piezoelectric ceramic sheet, wherein the piezoelectric ceramic sheet is bonded and fixed on the edge of one side of the elastic metal sheet, an upright support is arranged on the other side surface of the elastic metal sheet, and a thin film is arranged on one-quarter to one-half position of the upper portion of the support; the elastic metal sheet and the upright support form a L-shaped framework; and the material of the support is a PMMA organic material, andthe material of the thin film is polytetrafluoroethylene. The two sides of the piezoelectric ceramic sheet are connected to the positive electrode and the negative electrode of an alternating-currentdriving power supply, a power supply provides alternating voltage which is consistent with the system resonant frequency, and the piezoelectric ceramic sheet expands and contracts under the alternating voltage and then is subjected to displacement amplification through the L-shaped framework, so that wind sweeping and heat dissipation is realized on the thin film. According to the piezoelectric fan with the L-shaped framework laminating type blades, a grid-shaped support and the thin film are adopted to form a framework laminating type structure, so that good air impedance matching is realized, the end mass is not increased, air sweeping areas are increased, and the efficiency of air outlet and heat dissipation of the piezoelectric fan is improved.

The invention discloses a temperature-controlled cooling process and device for forge pieces, and relates to the technical field of forge piece processing. The temperature-controlled cooling process includes the steps that (1) a forge piece is taken out and placed on a mesh belt after finish forging; (2) the forge piece to be processed is subjected to primary cooling and refrigeration treatment byan air blower; (3) the forge piece processed in the step (2) is turned over, and secondary cooling and refrigeration treatment is conducted; and (4) the forge piece after temperature-controlled cooling process in the step (3) is taken out from the mesh belt, placed in air and cooled naturally to the room temperature, and the finished forge piece is obtained. According to the adopted temperature-controlled cooling process, secondary heating is not needed, and the cost is saved; the internal organization and grain of the forge piece are cooled directly under the condition of forging and crushing, grain growth caused by secondary heating is avoided, a metallographic phase and the grain size are more uniform than that of the forge piece treated by normal heating, and the mechanical property of the forge piece is higher than that of the forge piece treated by normal heating.

The invention discloses a large-capacity SVG closed-type air cooling system, and the system comprises an SVG power cabinet group, a heat exchange air handling unit, and a refrigeration set. The heat exchange air handling unit is provided with an air supply duct and a returned air duct, which are uniform in wind resistance. The SVG power cabinet group is disposed between the air supply duct and the returned air duct, and is communicated with the air supply duct and the returned air duct. The refrigeration set is connected with the heat exchange air handling unit. The SVG power cabinet group comprises a plurality of power cabinets which are connected in parallel. Each power cabinet is provided with an air inlet and an air outlet, which are symmetric. Each air inlet is communicated with the air supply duct, and each air outlet is communicated with the returned air duct. The system is high in heat dissipation efficiency, is high in adaptability, and is high in reliability.

The invention discloses an on-line air-cooled quenching device for aluminum castings, which includes an air-cooling chamber, a transmission mechanism and an air-cooling device. The air-cooling chamber is provided with a transmission mechanism, and the transmission mechanism is equipped with a placement device for placing the aluminum casting body. The rectangular groove dug on one side of the air-cooled chamber is equipped with a device, the top of the air-cooled chamber is equipped with an air-cooled device, and the glue is passed through the rectangular groove dug at the front end of the air-cooled chamber. A hollow glass plate is bonded, four sets of support legs arranged in a rectangular array are welded at the bottom of the air-cooled chamber, and an insulating layer is bonded to the outer periphery of the air-cooled chamber by glue. The online air-cooling and quenching device for aluminum castings can not only reduce the possibility of cold cracking, but also save time and effort, and has high air-cooling efficiency.

The invention discloses an injection mold with an air cooling device, and relates to the technical field of molds. The injection mold comprises a workbench, an air duct box is fixedly installed on the inner wall of the workbench, the air cooling device is arranged in the air duct box, the air cooling device comprises a cooling fan, the cooling fan is fixedly installed on a rotating shaft, and the rotating shaft is rotatably installed on a rotating rod; a knocking plate is fixedly installed on the outer wall of the rotating shaft, a fixing pipe is fixedly installed on the outer wall of the rotating rod, an arc-shaped sliding block is fixedly installed at the end, away from the rotating rod, of the fixing pipe, and the arc-shaped sliding block is installed on the outer wall of the semicircular sliding rail in a sliding mode. According to the injection mold with the air cooling device, the air cooling device is arranged on the air duct box, when a heat dissipation fan rotates to conduct air cooling heat dissipation, a fixing pipe can drive a rotating rod to conduct circumferential rotation, the rotating rod can drive the heat dissipation fan to swing, the air cooling range of the heat dissipation fan can be widened, and the heat dissipation efficiency is improved. And the air-cooling heat dissipation efficiency of the air duct box is further improved.

The invention relates to a radiating structure and a molding method thereof. An extruded piece is manufactured through extruding and molding, and the extruded piece is provided with a plurality of bending parts which are extended along the same direction and outwards protruded, and in the processes of extruding and molding, fins are further formed on the bending parts. The fins and the extruded piece are cut by a cutter so as to form cutting channels, wherein the cutter is firstly used for cutting the fins to form notches and then the bending parts to form cutting through holes, the notches and the cutting through holes form the cutting channels, and the cutting through holes are used for allowing air to flow through both sides of the extruded piece through the cutting through holes. By cutting the bending parts by the cutter, a large quantity of the cutting through holes can be quickly formed on the extruded piece without being influenced by the fins so as to improve air cooling and radiating effects.

The invention discloses a powder synthesis solid processing technology for plastic products. The processing technology comprises the following steps of S1, mixing raw materials, specifically adding polycarbonate, polyethylene, polystyrene, wood powder, a coloring agent, an antistatic agent, an antioxidant and a flame retardant into a stirring device for stirring, wherein a second stirring mechanism in the stirring device is used for stirring the mixture; S2, crushing the mixture, wherein the mixture obtained in the step S1 is conveyed to a pulverizer through a conveying device, and the mixtureis crushed by the pulverizer, S3, heating and melting, specifically heating the mixed raw materials which are uniformly stirred in the step S2 through a high-temperature heating furnace, heating fora period of time, enabling the mixture to be in a molten state, then stopping heating; and S4, carrying out injection molding extrusion, specifically conveying the obtained molten state mixture into an injection molding machine. The powder synthesis solid processing technology for the plastic products has the beneficial effects that the raw materials of the plastic products can be sufficiently stirred, the guiding effect can be achieved during air cooling, and the air cooling efficiency is improved.

The invention discloses a motor controller air cooling heat dissipation installation structure, and belongs to the technical field of electric vehicles. Comprising a controller shell, and a row of parallel heat dissipation pipes are fixed to one side face of the controller shell; the radiating pipes are square pipes, convection gaps are reserved between the adjacent radiating pipes, and inclined convection holes which are evenly distributed are formed in the two side faces and the upper side face of each radiating pipe. The front end of the radiating pipe is connected with an air inlet pipe, and the end part of the air inlet pipe is provided with a semi-cylindrical lower spigot; the rear ends of the radiating pipes are provided with outward-extending horn mouths, and the opening edges of the horn mouths of the adjacent radiating pipes are connected. The overall structure is simple, installation is rapid, dismounting is easy, the rear end of the heat dissipation pipe is provided with the outward-extending horn mouth, the air outlet efficiency is improved, the convection effect is improved through the air outlet pressure difference, external free air enters the heat dissipation pipe through the inclined convection holes, the air volume entering the heat dissipation pipe is larger than the air volume of a draught fan, and therefore the air volume is increased, and the heat dissipation efficiency is improved. And the air-cooling heat dissipation efficiency is improved.

The invention discloses an injection mould which comprises a moving injection mould and a fixed injection mould corresponding to the moving injection mould, wherein the moving injection mould and the fixed injection mould are respectively provided with fixed plates; the moving injection mould and the fixed injection mould are square moulds, radiating grooves are respectively formed on four faces around the square moulds, a first cooling water pipe is connected to the back face of the moving injection mould, and a second cooling water pipe is arranged on the top of the fixed injection mould. Through the manner, the injection mould disclosed by the invention increases the surface areas of the moving injection mould and the fixed injection mould by virtue of the radiating grooves, so that the efficiency of air-cooling radiation is improved, temperature rise of the mould is effectively alleviated, the use level of cooling water is reduced, and the production cost is lowered.

The invention relates to a radiating structure and a molding method thereof. An extruded piece is manufactured through extruding and molding, and the extruded piece is provided with a plurality of bending parts which are extended along the same direction and outwards protruded, and in the processes of extruding and molding, fins are further formed on the bending parts. The fins and the extruded piece are cut by a cutter so as to form cutting channels, wherein the cutter is firstly used for cutting the fins to form notches and then the bending parts to form cutting through holes, the notches and the cutting through holes form the cutting channels, and the cutting through holes are used for allowing air to flow through both sides of the extruded piece through the cutting through holes. By cutting the bending parts by the cutter, a large quantity of the cutting through holes can be quickly formed on the extruded piece without being influenced by the fins so as to improve air cooling and radiating effects.