6 results about "Simulated weightlessness" patented technology

The application provides a device for measuring the moment and tension of a cable on a double super-satellite, comprising a gravity balance balloon, a displacement device and a force sensor; the displacement device comprises at least two moving platforms, two ends of the measured cable are connected to the two different moving platforms respectively, the gravity balance balloon is used to unload the gravity of the measured cable to simulate a weightless environment; the force sensor is installed on any moving platform at least one, and the moment and / or tension data generated by the measured cable are measured. The device has the characteristics of flexible use and convenient disassembly in the form of a hole mounting plate, and can simulate the bending conditions of various cables; the force condition changes of the cable when the structure and mechanism have a slight displacement and deformation can be simulated by operating the moving platform; the force sensor has high measurement precision, and data recording is convenient, and can satisfy the moment and tension measurement of the cable structure connecting the double super-satellite cabins.

The application provides a simulation weightlessness environment thermal hydraulic test device and a simulation weightlessness environment thermal hydraulic test method, and relates to the technical field of heat exchange testing. The simulation weightlessness environment thermal hydraulic test device is designed to solve the problem that there is no effective simulation weightlessness environment hydraulic test method. The simulation weightlessness environment thermal hydraulic test device comprises a unmanned aerial vehicle, a falling cabin and a test cabin. The test cabin comprises a weightlessness environment thermal hydraulic test platform. The unmanned aerial vehicle is detachably connected with the weightlessness environment thermal hydraulic test platform. A parachute is arranged in the falling cabin. The simulation weightlessness environment thermal hydraulic test device can improve the economy of the simulation weightlessness environment thermal hydraulic test.

The application discloses a satellite attitude control demonstration system in a simulated weightless environment, which comprises a cubic robot and a three-axis rotating table; the three-axis rotating table comprises a fixed part, and outer, middle and inner rings are sequentially arranged in the fixed part; the inner ring is a cubic frame, and the cubic robot is embedded in the inner ring; the inner ring is rotationally connected with the middle ring, the middle ring is arranged in the inner part of the outer ring, and axial interference is generated between the inner ring and the middle ring and between the middle ring and the outer ring; the inner ring rotates around an X axis to realize rolling motion, the middle ring rotates around a Y axis to realize pitching motion, and the outer ring rotates around a Z axis to realize yawing motion, so that the cubic robot is freely rotated around the X, Y and Z axes, and three-dimensional attitude motion of the satellite in the weightless environment is simulated; during the free rotation of the cubic robot around the X, Y and Z axes, friction torque is generated due to the axial interference, the friction torque offsets eccentric torque caused by the gravity center deviation, and interference suppression is realized.

The invention discloses a device suitable for simulating a weightlessness model to carry out magnetic resonance examination, and relates to the technical field of simulation experiment devices. The device suitable for simulating the weightlessness model to perform the magnetic resonance examination comprises a base and a supporting frame rotationally connected with the top of the base, an angle adjusting mechanism is installed on the supporting frame, the angle adjusting mechanism is used for binding a biological model and detecting the moving angle of the biological model, and the angle adjusting mechanism can be rotationally folded at the top of the base; the biological model is bound through the angle adjusting mechanism, the angle deflection of the biological model in a weightless state can be detected, then the posture change of a human body or an animal in the weightless state is simulated, the biological model can be bound to different positions on the swing rod, and then the coordinate position of a sample can be adjusted according to experimental requirements; in addition, the device optimizes a precise calibration gauge for angle detection, changes of the longitudinal swing angle are converted into the rotation angle of the scale wheel disc, and then the precision of angle detection is accurate to 0.1 degree.

The utility model discloses a culture and observation device for a ground simulation weightlessness experiment, which comprises a culture bottle body, a cell carrying unit and an organ chip carrying unit, a bottle opening of the culture bottle body is provided with a gas-liquid separation plug, the bottle bottom can be opened and closed and is provided with a sealing gasket, and the cell carrying unit can be used for conventional cell culture after being arranged in the culture bottle body. A simulated weightlessness experiment can be carried out on a ground cell gyroscope by changing the solution and injecting the perfusion culture solution, and a cell carrying unit taken out after the experiment can be directly dyed; alternatively, the organ chip mounting unit is replaced and mounted, and the organ chip unit is mounted. The culture and observation device disclosed by the utility model has the advantages of simple perfusion operation and high perfusion culture solution utilization rate, can be conveniently used for experimental observation of cell and organ chips in a ground simulation weightless environment, and can be repeatedly used after sterilization, so that the experimental efficiency is improved, and the experimental cost is reduced.

The application discloses a kind of nutritional preparation capable of improving astronaut health index, and relates to the technical field of biological medicine.The preparation is composed of six main materials, namely, radix puerariae, cistanche deserticola, American ginseng, gastrodia elata blume, curcuma longa and angelica sinensis, in a specific proportion, and is prepared into tablets, powders or soft capsules by compounding different auxiliary materials.The preparation can effectively improve the comprehensive health index of astronauts by synchronously regulating immunity, metabolism, neural cognition, skeletal muscle and intestinal microecology through multi-target synergistic effect.The preparation shows good stability and biological activity in simulated weightlessness and radiation environment, is suitable for different stages of space missions, and has high safety and compliance.