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114results about How to "Thin body" patented technology

Simulation method for elastic waverider hypersonic flight vehicle

ActiveCN103970957AThin bodyReflect aerodynamic/propulsion/elastic coupling propertiesSustainable transportationSoftware simulation/interpretation/emulationElastic vibrationDamping ratio
The invention provides a simulation method for an elastic waverider hypersonic flight vehicle. The method includes the following steps that considering influences of aerodynamic heating and variable section inertia moment, an elastic model of a hypersonic flight vehicle free beam structure is established; a model superposition method is used for solving an elastic vibration equation, the intrinsic frequency, damping ratio and intrinsic vibration mode of each mode are solved, and on this basis, an elastic vibration generalized coordinate equation of the waverider flight vehicle is obtained; a computational fluid dynamics method is used for obtaining aerodynamic force and engine propulsion of the flight vehicle; on the basis of analyzing thrust, aerodynamic force and aeroelasticity, a rigid body-elastic coupling model of the hypersonic flight vehicle is established. The simulation method is suitable for performing modeling and simulation on the waverider flight vehicle. On this basis, the established model of the waverider hypersonic flight vehicle is more accurate, and the aerodynamic/propelling/elastic coupling characteristics of the flight vehicle can be reflected better in the process of model simulation.
Owner:BEIHANG UNIV

Optical repeater used for long distance seabed optical cable communication system

The invention discloses an optical repeater used for a long distance seabed optical cable communication system, relating to the seabed optical cable communication field. The optical repeater is integrated in an optimized seabed optical cable joint; the outside of the optimized seabed optical cable joint is prepared by an overall molding process; a whole optical repeater is wrapped in a PE insulating layer, and is isolated from seawater. The optical repeater comprises a first continuous feedthrough unit, a photoelectric unit and a second continuous feedthrough unit, wherein one end of the first continuous feedthrough unit is in connection with the seabed optical cable on one side of the optical repeater, and the other end is in connection with the photoelectric unit; one end of the second continuous feedthrough unit is in connection with the photoelectric unit, and the other end is in conenciton with the optical cable on the other side of the optical repeater. According to the invention, the mechanical design difficulty of the optical repeater is reduced, integration processes and required integration matching resources are simplified, the cost is reduced, the size and weight of the optical repeater are reduced, the sea construction and burying difficulty is decreased, and the reliability is improve.
Owner:FIBERHOME MARINE NETWORK EQUIP CO LTD

Omnidirectional movement inputting platform based on velocity resolution and composition

ActiveCN106693311ASimple mechanical structureSolve the problem that the movement is limited by the real spaceStiltsHuman bodyVirtual space
The invention discloses an omnidirectional movement inputting platform based on velocity resolution and composition and a usage method thereof. The omnidirectional movement inputting platform comprises a housing and multiple coaxial annular chains arranged in the housing, wherein the annular chains include left chains and right chains, multiple left chains and the right chains are mutually parallel arranged at intervals, the left chains and the right chains are driven by a left motor and a right motor respectively, multiple left wheel axles are arranged on the left chains, right wheel axles are arranged on the right chains, and wheels capable of rotating around the wheel axles are arranged on the left wheel axles and the right wheel axles in a penetrating mode. the omnidirectional movement inputting platform is based on velocity resolution and composition and is active. Compared with a passive omnidirectional movement platform, a human body is not needed to be constrained, and more real movement feeling can be provided. The omnidirectional movement inputting platform is simple in structure and light, a mechanical structure of the omnidirectional movement inputting platform is simple, and the problem that movement in a virtual space is limited by a real space can be solved. The omnidirectional movement inputting platform can be also applied to cargo transportation and conveying and can achieve universal movement on the movement platform.
Owner:王子峣

Vertical dishwasher with tableware mobile

The invention discloses a vertical dishwasher with tableware mobile which comprises a base, a water pump, a water pump water inlet pipe, a heating sleeve, a main water supply pipe, a water diversion pipe, guide rails, rail plates, a filter mesh, a motor and a control box.The base is provided with a main shell, the main shell is internally provided with a water storage chamber and a cleaning chamber, the lower portion of the water storage chamber is provided with a partition plate, the lower portion of the partition plate is provided with a motor, the upper portion of the motor is provided with a threaded rod, the water pump water inlet pipe communicates the water pump with the water storage chamber, the main water supply pipe is sleeved with the heating sleeve, the heating sleeve is internally provided with a heating wire, the lower portion of the water storage chamber is provided with a drainage pipe, the drainage pipe is provided with an electromagnetic valve, the front of the cleaning chamber is provided with the control box, and the control box is provided with a display screen, keys, a processor and a memorizer.By means of the vertical dishwasher, the tableware can be cleaned by moving the tableware and utilizing water in a circulating mode, the occupied table top space is small, the body shape is thin, the equipment structure is simple, and the investment cost is low.
Owner:台州千玛供应链管理有限公司
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