18results about How to "Increase the windward area" patented technology

The utility model discloses a heat dissipation framework for an external discharger of a new energy vehicle, and particularly relates to the technical field of power utilization management of the new energy vehicle, the heat dissipation framework comprises an injection molding shell, one end of the injection molding shell is fixedly connected with a direct current discharge gun head, and the front side and the rear side of the outer side of the injection molding shell are provided with waists; the inverter is fixedly mounted on the inner side of the injection molding shell; and the alternating-current socket is fixedly mounted on the side, opposite to the direct-current discharge gun head, of the inverter. According to the utility model, a radiating fan in the long side direction of the radiating fin of the inverter is omitted, and a groove is milled in the short side direction of the radiating fin to completely embed the radiating fan, so that the long sides of the inverter are reduced, the utilization rate of the fan is improved, the windward area of the radiating fin is increased, and the heat exchange efficiency is improved; the lower holding part is sunk, and the holding part is pasted with adhesive sticker leather, so that the holding feeling is further improved, the anti-skid effect is improved, and the heat dissipation structure of the external discharger is small, exquisite, attractive and portable.

The invention relates to the field of automobile empennages, in particular to an automotive empennage assembly and a vehicle with the automotive empennage assembly.The automotive empennage assembly comprises a mounting base, and an empennage structure is arranged on the mounting base; the empennage structure comprises a middle wing arranged on the mounting base and two side wings symmetrically distributed at the two ends of the middle wing respectively; the side wings are connected with driving structures used for controlling the side wings to move, and the driving structures comprise swing mechanisms connected to the side wings and driving mechanisms used for controlling the swing mechanisms to move. According to the empennage assembly disclosed by the invention, through the design of the two arc-shaped grooves with different lengths, the side wings can be turned over and then rotated, so that the windward area of the empennage is increased, and enough downward pressure is provided for a whole vehicle; and the stability of the automobile during high-speed driving is enhanced.

A self-adaptive wind-resistant and vibration-suppressing shutter unit capable of constraining all shutters belongs to the technical field of ventilation and air conditioning and comprises a shutter unit, a driving assembly and a self-adaptive wind-resistant and vibration-suppressing device. Each shutter unit comprises a window frame and M shutters, and M is larger than or equal to 3; the shutters are hinged to the window frame through rotating shafts arranged at the upper and lower ends of the shutters; the driving assembly is connected with M shutters of the shutter unit; the self-adaptive wind-resistant vibration suppression device is a self-adaptive flexible adsorption belt and is arranged on the windward side of the shutter unit. The two ends of the self-adaptive flexible adsorption belt are fixedly connected to the leftmost shutter and the rightmost shutter of the shutter unit respectively to form flexible constraint, and the middle part of the self-adaptive flexible adsorption belt is adsorbed to the middle shutter in a self-adaptive mode through the windward side air inlet pressure effect to form single-side contact constraint; shutters at the adjacent ends of the left and right adjacent louver units are hinged through rigid connecting rods, and two-force component constraint is formed. Effective cooperative constraint of all the shutters is comprehensively achieved, and then the wind resistance and vibration suppression effects of the shutters are improved.

The intelligent variable-pitch anti-typhoon vertical-axis wind turbine comprises an intelligent variable-pitch mechanism, an impeller, a generator body and a tower pole, the impeller comprises a blade module and a supporting frame, the generator body is installed on the top of the tower pole, and the supporting frame is connected with the input end, vertically extending upwards, of the generator body; the blade modules are installed on the supporting frame through a vertical rotating shaft and evenly distributed in the circumferential direction of the supporting frame, the supporting frame can be driven to rotate through the blade modules, the intelligent variable-pitch mechanisms are installed on the supporting frame, and one blade module is matched with one intelligent variable-pitch mechanism. Worm and gear speed reducers of the intelligent variable pitch mechanisms are connected with vertical rotating shafts of corresponding blade modules, the blade modules can be driven through the worm and gear speed reducers to achieve independent variable pitch, the self-starting capacity of the vertical-axis wind driven generator at different wind speeds is improved, the typhoon resistance is improved, and the service life of the vertical-axis wind driven generator is prolonged. And the purpose of improving the safety of the wind driven generator through active variable pitch is achieved.

The application relates to the technical field of starting motors, and particularly discloses a fan heat dissipation type starting motor for a centrifugal pump, which comprises a base and a machine shell fixedly connected to the base, a strip-shaped air inlet is arranged on the machine shell and penetrates through the inside and outside of the machine shell, a filter screen for shielding dust is arranged in the strip-shaped air inlet, a rotor is arranged in the machine shell, and a transmission shaft penetrates through the rotor coaxially. At the beginning of starting, the fan blade cannot rotate at high speed, so that the starting response slow degree and the starting current size of the centrifugal pump can be reduced, the additional energy consumption loss of the motor at the initial stage of starting can be reduced, the windward area of the fan blade at the initial stage of starting of the starting motor is small, so that the rotating resistance of the fan blade can be reduced, the starting response slow degree and the starting current size of the centrifugal pump can be further reduced, and the additional energy consumption loss of the motor at the initial stage of starting can be further reduced.

The invention discloses an integrally designed energy storage heat management system which comprises a main machine and a condensation heat dissipation module, the main machine adopts a floor type installation mode and comprises a shell frame, a compressor, an evaporator and a throttling element, the compressor, the evaporator and the throttling element are arranged in the shell frame, and the condensation heat dissipation module and the main machine are integrally designed. And the first end of the main frame is connected to the top of the shell frame through the metal plate frame to form an inverted-L-shaped structure with the host. The condensation heat dissipation module comprises a condenser, the inlet end of the condenser communicates with an exhaust port of the compressor, and the outlet end of the condenser communicates with an inlet of the throttling element. The integrated design can avoid on-site fire welding, vacuumizing, refrigerant filling and other operations, and meanwhile, the integrated design can shorten the pipeline path, so that the cost is reduced, and invalid heat transfer is avoided.

The utility model provides a tractor radiating bag which comprises a metal plate support, an intercooler, a water-cooling radiator and an oil-cooling radiator are fixed on the metal plate support, the intercooler and the oil-cooling radiator are both located on the front side of the water-cooling radiator, the intercooler is located on the upper side of the oil-cooling radiator, and the oil-cooling radiator is located on the lower side of the oil-cooling radiator. Gaps are formed between the intercooler and the water-cooling radiator as well as between the oil-cooling radiator and the water-cooling radiator; a fuel oil radiator is arranged on the front side of the intercooler; a guide rail support is arranged on the front side of the oil cooling radiator, and a condenser is connected to the guide rail support in a sliding mode. According to the utility model, the intercooler and the oil-cooling radiator are vertically arranged, so that the maintenance operation space on the front side of the water-cooling radiator is enlarged; the condenser can slide relative to the oil cooling radiator along the guide rail bracket, so that a maintenance operation space on the front side of the oil cooling radiator can be reserved when maintenance is needed; and the maintenance difficulty of each sub-radiator in the radiating bag is reduced.

The invention discloses a variable rotor duct system and a tilt rotor aircraft, and relates to the technical field of aircrafts, the variable rotor duct system comprises a transmission shaft, a rotor assembly and a duct assembly; the transmission shaft is in transmission connection with an aircraft body; the rotor assemblies are connected to the transmission shaft; the duct assembly comprises a deformation shell and a first driving mechanism, the first driving mechanism is connected to the transmission shaft, and the deformation shell is arranged outside the rotor wing assembly in a surrounding mode in the circumferential direction; the first driving mechanism is in transmission connection with the deformation shell, the first driving mechanism can drive the deformation shell to circumferentially expand in the direction away from the transmission shaft so as to form a duct configuration, and the first driving mechanism can further drive the deformation shell to circumferentially contract in the direction close to the transmission shaft so as to form a fairing configuration. According to the variable rotor duct system and the tilt rotor aircraft provided by the invention, the rotor duct system gives consideration to high hovering efficiency and low forward flight resistance, and the overall aerodynamic efficiency and engineering application value of the tilt rotor aircraft are improved.

The utility model discloses efficient heat exchange refrigeration equipment which comprises a heat exchange assembly, the heat exchange assembly is provided with heat exchange fins and a cylindrical heat exchanger, and the cylindrical heat exchanger is formed by bending a condensation pipe set and is provided with a hollow part. The multiple heat exchange fins are arranged and extend in the axial direction of the cylindrical heat exchanger. The multiple heat exchange fins are arranged in the circumferential direction of the cylindrical heat exchanger in parallel, and a condensation pipe set used for the cylindrical heat exchanger penetrates through each heat exchange fin and forms an annular windward part surrounding the periphery of the cylindrical heat exchanger. Therefore, by forming the annular windward part on the periphery of the cylindrical heat exchanger, the windward area can be enlarged, the resistance of the fins can be reduced, the air inlet amount is increased by about 10%, the windward area is enlarged by about 30% under the condition that the number of the condensation pipes and the number of the fins are the same, and the heat exchange efficiency and the refrigeration effect are effectively improved.

A low-cost, high-frequency reusable, small-payload aerospace transportation system and method belongs to the technical field of overall design of aerospace transportation systems. The present invention solves the main problems existing in the existing reusable space-to-earth round-trip aircraft in terms of energy operation nature, aerodynamic thermal protection cost, and the way of passing through the atmosphere. The launch end of the ground electromagnetic boost launch system of the present invention is connected to a two-stage carrier, and the first-stage orbiter of the two-stage carrier is connected to the second-stage thruster. After the two-stage carrier is launched, the first-stage orbiter separates from the fairing connection cover and the second-stage thruster and enters the orbiter integrated platform. After the first-stage orbiter completes the orbital mission, it enters the orbiter integrated re-entry return platform. A low-cost, high-frequency reusable, small-payload aerospace transportation system and method of the present invention provides initial kinetic energy to achieve a higher take-off speed, which can effectively reduce the propellant and take-off mass, and reduce the wing area requirement.

The application discloses a low-orbit atmospheric density measuring device and method in parallel with orbit departure, and belongs to the field of low-orbit spacecraft measurement and control. The application comprises a device shell, a film ball, an inflation system, a patch type pressure sensor, a pressing unlocking mechanism and a communication module B. The application adopts a spherical film device to inflate and expand to increase the windward area of constellation satellites, and improve the orbit departure efficiency of the constellation satellites. Meanwhile, the patch type pressure sensor is used to measure the resultant force borne by the orbit departure-measuring system. The real-time low-orbit atmospheric density is calculated in combination with the orbit data, the shape structure and the resistance coefficient of the orbit departure-measuring system. The folding method of the film ball is a combination of plane spiral bonding and z-type folding. The multiple plane petals of the film ball are sequentially spiral bonded and then z-type folded to form a cubic shape, so that the film ball is conveniently packaged. The application realizes the atmospheric density measurement of the area passed by the constellation satellites during the orbit departure based on the patch type pressure sensor, and has the advantages of low cost and real-time measurement.

The invention relates to the technical field of new energy collection, and particularly discloses a communication signal tower integrating new energy collection and storage, unmanned aerial vehicle operation and maintenance and electric vehicle charging, the communication signal tower comprises a signal tower base, and the bottom of the side face of the signal tower base is fixedly connected with an automobile charging platform; the position, located above the automobile charging platform, of the side face of the signal tower base is fixedly connected with an unmanned aerial vehicle platform, the deflection assembly comprises a second telescopic rod, a driving shaft of the second telescopic rod is fixedly connected with a rotating seat, and deflection fan blades are rotationally connected to the side face of the rotating seat. The side faces of the deflection fan blades are rotationally connected with one ends of adjusting pull rods, and the ends, away from the deflection fan blades, of the adjusting pull rods are rotationally connected with the side faces of the fixed ends of the second telescopic rods. The purpose of facilitating photovoltaic collection and utilization and unmanned aerial vehicle maintenance is achieved.

The unmanned sailboat wing sail with the telescopic and windward area changing functions comprises a fixed sailboard, a movable sailboard, a linear driving module, an opening and closing blade and a blade adjusting mechanism, the fixed sailboard and the movable sailboard are hollow wing-shaped boards, and the movable sailboard is vertically arranged on the inner side of the fixed sailboard in a sliding mode. The linear driving module drives the movable sailboard to ascend or descend, so that the movable sailboard extends out of or retracts into the inner side of the fixed sailboard. A square window is formed in the movable sailboard, and the multiple opening and closing blades are sequentially arranged on the inner side of the square window from top to bottom and are in running fit with the movable sailboard. The blade adjusting mechanism drives the opening and closing blades to rotate synchronously in the same direction, so that the square window is opened or closed. The height and the windward area of the wing sail are adjusted by introducing the structure of the liftable movable sailboards and the opening and closing blades, so that different wind speeds, sea conditions and sailing requirements are met, the sailing performance of the unmanned sailboat is optimized, the sailing thrust is precisely controlled, and the stability and the safety are improved.

This invention discloses a rapid heat exchange device, comprising a heat exchange medium inlet pipe, a mounting box, and a heat exchange medium outlet pipe connected sequentially along a first direction. The mounting box contains several groups of heat source groups arranged sequentially along the first direction. Each heat source group includes several first heat sources and second heat sources arranged alternately along the first direction at predetermined intervals. The first heat sources and the second heat sources are staggered along the first direction, and the first heat sources and adjacent second heat sources are staggered along the first direction. The number of first pipes and second pipes is the same. By setting the number of first and second heat sources in the heat source group, setting the distance between each pair of first heat sources perpendicular to the first direction, and setting the specific position of the second heat source relative to adjacent first heat sources, the windward area of ​​the heat source group can be significantly increased. Furthermore, the mass flow rate of the heat exchange medium flowing around the first and second heat sources can be made substantially equal, thereby improving the heat exchange efficiency of the heat source group.

The utility model relates to a safety management device for constructional engineering, which aims to solve the technical problem that the current safety management device is easy to deform and damage under the condition that supporting legs are limited when the current safety management device is under the action of wind power on a construction site, and comprises a frame assembly in which pasting assemblies are movably arranged at equal intervals, the frame assembly comprises an outer frame internally and movably provided with an inner frame, mounting grooves are formed in the two sides of the inner wall of the inner frame at equal intervals, fixing assemblies are detachably installed in the mounting grooves, and each fixing assembly comprises a fixing block with a hollow cavity formed in the middle of one end. A baffle used for dividing the hollow cavity into a bearing cavity and a reset cavity is constructed in the hollow cavity, a bearing body is arranged in the bearing cavity, the posting assembly comprises a posting plate, grooves are formed in the centers of the two sides of the posting plate, and shaft rods are constructed in the centers of the two ends of the posting plate; and one end, far away from the pasting plate, of the shaft rod penetrates through the bearing body and rotatably extends into the reset cavity. The wind power unloading protection device has the advantages that wind power is unloaded, and unloading protection is provided for the supporting legs.

This invention relates to a multi-impeller-driven horizontal axis micro-wind generator, mainly comprising a novel multi-impeller-driven power generation device and a protective wind-guiding casing. Impeller groups I and II within a barrel-shaped duct form a wind-gathering drive, resulting in better wind capture and a higher generator power output. The generator rotor rotates in the forward direction while the stator windings rotate in the opposite direction, increasing the generator speed without sacrificing torque or adding a transmission. This significantly improves generator efficiency and effective power generation time under light wind conditions. The ventilation and protective cover prevents the high-speed rotating impeller from injuring birds and insects, making it more environmentally friendly. Under low-elevation installation conditions, the ventilation and protective cover isolates floating foreign objects, preventing damage to the impeller and further improving the service life and economic efficiency of the micro-wind generator. It also more effectively reduces emissions of greenhouse gases such as carbon dioxide, contributing to environmental protection and sustainable development.

The invention discloses a cooking utensil exhaust assembly, a cooking utensil and an exhaust control method thereof.The cooking utensil exhaust assembly comprises a shell and blades, an exhaust channel is formed in the shell, exhaust holes communicated with the exhaust channel are formed in the shell, and the blades are located in the exhaust holes and connected with the shell in a pivoted mode; the blades can rotate relative to the shell under blowing of airflow in the exhaust channel. The exhaust assembly of the cooking utensil has the advantages that the exhaust speed is adjustable, and cooked food is good in fragrance and taste.

The invention relates to a near-field efficient striking device for driving heavy metal particles through detonation, belongs to the technical field of ammunition, and solves the problems that in the prior art, the damage range of a high-speed hard elastic piece is uncontrollable, and incidental damage to a target is high. The device comprises a shell, a main fuze, an initiating explosive column, kinetic energy powder, a fire transfer tube and a plurality of sub-packaging units, wherein the initiating explosive column is sleeved with the sub-packaging units. Kinetic energy powder and a split charging unit of the striking device jointly form a prefabricated striking block, the kinetic energy powder stores energy for the split charging unit, so that the split charging unit keeps the flight speed and kinetic energy, and the prefabricated striking block within the striking radius can damage a target; the split charging units outside the striking radius are disassembled, the kinetic energy powder is separated, the windward area of the kinetic energy powder is enlarged, the speed of the kinetic energy powder is rapidly reduced, kinetic energy is rapidly attenuated, the kinetic energy powder does not have lethality, no damage effect exists outside the killing radius, the striking range of the striking device is controllable, and incidental damage to a target is low.