14 results about "Simulated weightlessness" patented technology

The utility model discloses a virtual-real fusion high-altitude falling and human body electric shock experience device, which relates to the technical field of electric power training and comprises a control terminal, an external display screen, a VR (virtual reality) helmet, an electric shock feedback bracelet, a keyboard, a mouse, an operating handle and a weightlessness simulation platform. The control terminal is electrically connected with the keyboard through a wire, the control terminal is in wireless signal connection with the mouse, and the control terminal is in signal connection with the weightlessness simulation platform through a wire. According to the utility model, a practical operation scene is simulated through the VR helmet, a worker wearing the VR helmet can control a person to complete a task from a first person perspective through the operation handle, and when an operation error occurs, the electric shock feedback bracelet and the weightlessness simulation platform can electrically shock the hand of the worker or simulate weightlessness, so that the worker can personally experience the consequence caused by the operation error; the training experience is improved, the training effect is better, and use is more convenient.

The present invention discloses a method for cell immunofluorescence operation under a 2D rotating cell simulated weightlessness model, comprising the following steps: Fix a small round piece with a diameter of 14 mm on a square glass slide using a dental orthodontic rubber band. After autoclaving, inoculate cells onto the square glass slide according to the original method, place it on the rotating chamber fixing rack, and conduct a rotating simulated weightlessness experiment; after rotation is completed, take out the square glass slide, remove the small round piece and conduct a cell immunofluorescence experiment. When incubating the primary antibody, stick a plastic wrap on the back of the lid of a 24-well plate, then drop 30 μL of the primary antibody on the lid, and invert the side of the small round piece with cells onto the droplet; the same method is used for secondary antibody incubation. The present invention can minimize the usage amount of the primary antibody and the secondary antibody during immunofluorescence without affecting the immunofluorescence effect and without the need for an immunohistochemical pen, and the samples can be fully utilized.

The application belongs to the technical field of additive manufacturing equipment, and particularly discloses a double-spring-layer-plate buffering type simulated weightlessness 3D printing device and method, which comprises a slide rail base, double slide rails, a single slide rail, a base plate, a laser powder feeding system, a motor and a double-spring-layer plate, wherein the double slide rails and the single slide rail are vertically fixed on the slide rail base; the base plate is installed on the two slide rails of the double slide rails through sliding blocks on the two sides of the base plate, and a forming base plate is fixed on the base plate; the laser powder feeding system is installed on the single slide rail through a sliding block; the motor is used to drive the sliding block to move; the double-spring-layer plate is installed on the slide rail base, and the double slide rails penetrate through the double-spring-layer plate; and the double-spring-layer plate comprises an upper spring layer, a clamping plate and a lower spring layer which are sequentially and fixedly connected from top to bottom. The application realizes weightlessness 3D printing through free fall of a forming platform and laser, and the double-layer spring plate is combined to buffer and rebound, and then the motor is used to return to the initial position, so that the weightlessness 3D printing process can be continuously and stably simulated.

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 provides a weightlessness simulation seat, and relates to the technical field of driving flight simulation.The weightlessness simulation seat comprises an equipment base, and a mechanical transmission base is fixedly mounted on the outer surface of the equipment base. According to the weightlessness simulation seat, an upper body lifting system and a lower body lifting system are driven through double motors respectively, and accurate tension control over the upper body and the lower body of a human body is achieved; in the prior art, part of weightlessness simulation devices depend on a high-altitude falling or underwater environment, operation is complex, cost is high, and certain safety risks exist, however, according to the device, an upper body pull rope system and a lower body pull rope system are driven by a motor, the lifting force to a human body is cooperatively adjusted, and loading clothes are synchronously matched for inflation, so that the weight loss illusion is simulated. A user can generate a weightlessness illusion feeling without a special environment, the simulation cost and the operation difficulty are greatly reduced, meanwhile, the application scene of the device is expanded, and the device can be applied to the fields of flight training, science popularization education, entertainment experience and the like.

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 present invention discloses a simulation training device for weightless flight, comprising a simulator and a magnetic suit. The upper and lower ends of the simulator are respectively connected to a preparation room and a recovery room. One side of the simulator is provided with an elevator connected to the preparation room and the recovery room. The simulator is provided with a copper pipe column, a protective inner shell is provided on the inner side of the copper pipe column, a cooling ring is provided on the outer side of the copper pipe column, a plurality of strong magnets are provided on the magnetic suit, an electromagnetic induction device for deceleration is provided on the inner bottom of the simulator, a plurality of synchronous handrails that move synchronously with the magnetic suit are provided in the protective inner shell. This device is a combination of direct and indirect types. The basic structure adopts direct free fall to simulate the weightlessness experience, combined with indirect magnetic field deceleration, so that the descent speed of the experimenter is slowed down, greatly increasing the unsupported free fall weightlessness training time and simulating the weightlessness environment in all directions.

The utility model discloses a feeding trough device applied to a device for simulating weightlessness tail hanging rats, which relates to the technical field of experimental devices for simulating weightlessness and comprises a feeding trough body used for containing rat feed. A partition plate is movably arranged on one side of the feeding trough body and used for opening or closing the feeding trough body. The chute is formed in the bottom of the trough body, the pull rod is slidably embedded in the chute, the discharge plate is connected to the pull rod, when the trough body is opened through the partition plate and the pull rod is pulled outwards, the discharge plate can pull out rat feed in the trough body, convenience and rapidness are achieved, and the manual operation amount in the fasting period and the rat molding ending period is reduced.

The invention discloses application of LGG in preparation of a product for preventing and / or treating weightlessness bone loss. The invention discloses application of LGG in preparation of a product for preventing and / or treating weightless bone loss. The weightless bone loss is bone loss caused by aerospace, weightlessness or flight conditions. The LGG can be used for preparing a product for preventing and / or treating weightlessness bone loss after being stimulated by a simulated weightlessness condition. The application mode comprises intragastric administration or oral administration. The LGG and the LGG subjected to weightlessness stimulation simulation can be used for preparing products for preventing and / or treating weightlessness bone loss, and have wide application prospects. The product can effectively relieve, prevent, treat or relieve weightlessness bone loss, and is convenient to carry. The preparation method disclosed by the invention is safe and efficient, the adhesion of the LGG can be improved by simulating weightlessness stimulation, the tolerance to gastrointestinal fluid and bile is also enhanced to different extents, and the LGG after simulating weightlessness stimulation can effectively resist weightlessness bone loss.

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 present invention discloses a virtual game device and a simulation method for simulating a sense of weightlessness, including a seat cabin, a VR glasses, a hoisting mechanism, a bracket assembly and a console. The seat cabin is arranged with its back against the bracket assembly. The VR glasses and the hoisting mechanism are electrically connected to the console. The VR glasses are for players sitting on the seat cabin to wear, and the VR glasses feed back the displayed virtual picture to the console. The seat cabin controls the hoisting mechanism to quickly rise or fall on the bracket assembly through the console. The hoisting mechanism includes a drum assembly, a steel wire rope and a sliding trolley. The drum assembly and the sliding trolley are respectively fixedly connected to both ends of the steel wire rope. The console controls the drum assembly to drive the sliding trolley to move through the steel wire rope. The seat cabin extends into the bracket assembly and is fixedly connected to the sliding trolley. In the virtual game device and the simulation method for simulating a sense of weightlessness of the present invention, the virtual reality game device for simulating a sense of weightlessness has the advantages of good experience for the experiencer and in-place action coordination.

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.