50 results about "High-altitude balloon" patented technology

The invention comprises an apparatus, method for using the apparatus and system for balloon altitude control by in-situ characterization and active energy management. The invention presented enables transportation, autonomous operation and use of a balloon beyond the limits of conventional high-altitude ballooning to the edge of the atmosphere, or about 100 km above the surface of the Earth. The apparatus comprises at least: an envelope containing lift-gas; an envelope and lift-gas characterizer; an altitude control system operated using active energy addition and lift-gas transfer or ambient air introduction into the system; and an external payload component. The invention is capable of operating in ascent, descent, or stationary mode; the altitudinal movement of the balloon is caused by measuring in-situ envelope and lift-gas characteristics, identifying the change in the lift-gas energy needed, and facilitating the required energy change for altitude control.

Described herein are features for a high altitude lighter-than-air (LTA) system and associated methods. A zero-pressure balloon (ZPB) is attached in tandem with one or more air super-pressure balloons (SPB). The ZPB provides lift for the system while the SPB may provide a variable amount of ballast air by pumping in or expelling out ambient air. Various advanced performance targets relating to ascent rate, descent rate, range and maximum altitude are achievable with various scaled versions of the basic design of the LTA system. Advanced navigation and control techniques, such as more efficient high altitude station-keeping approaches, made possible with the LTA system are also described.

The invention discloses a meteorological data transmission method and system of a high-altitude balloon sonde, and relates to the technical field of meteorological data transmission methods. The high-altitude balloon sonde collects multiple pieces of meteorological data in real time along a meteorological detection mode; and the corresponding meteorological dynamic graph is determined based on the plurality of meteorological data, the corresponding azimuth position and the surrounding environment image of the high-altitude balloon sonde, so that the accuracy of the meteorological dynamic graph is ensured. Therefore, a corresponding meteorological data packet is formed based on the meteorological dynamic graph and a plurality of corresponding meteorological data, and the first data transmission mode is determined according to the data volume of the meteorological data packet and the position of the high-altitude balloon sonde; and if yes, determining a second data transmission mode according to the abnormal factors of the abnormal nodes of the data transmission path and the to-be-transmitted data corresponding to the abnormal nodes, thereby improving the integrity and stability of meteorological data transmission of the air ball air detector.

The invention relates to the technical field of aerostats, and provides a high-altitude balloon self-destruction device and a high-altitude balloon system.The high-altitude balloon self-destruction device comprises a mounting frame, the mounting frame is provided with a first mounting part, and the first mounting part is used for being fixedly connected with a dome flange of a high-altitude balloon; the hob is provided with a first end and a second end on the axis of the hob, the first end is connected to the mounting frame through a safety piece, the second end is used for being connected with a traction rope, and the hob can be separated from the mounting frame under the action of the traction rope and cut the balloon film of the high-altitude balloon. After a flight task is finished and the balloon-parachute cabin is separated, the parachute can pull the traction rope to trigger the hob of the high-altitude balloon self-destruction device to destroy the balloon membrane, so that the balloon safely lands back to a preset area, and the safety problem that the balloon body of the high-altitude balloon uncontrollably flies at high altitude for a long time is avoided; in addition, the high-altitude balloon can be prevented from being in direct contact with the balloon film soft structure in the releasing process, and the safety of the balloon releasing process is guaranteed.

The invention relates to an ocean emergency communication method based on hierarchical deployment of a high-altitude balloon and an unmanned aerial vehicle. The method comprises the following steps: acquiring a communication weighted demand of a user; constructing an unmanned aerial vehicle deployment optimization objective function based on the dynamic demand distribution map, solving the objective function to obtain an optimal target deployment position of the unmanned aerial vehicle, planning an unmanned aerial vehicle moving path based on the target deployment position, and obtaining a central position of the unmanned aerial vehicle cluster at the moment after the unmanned aerial vehicle moves to the optimal target deployment position; and calculating and maximizing the beam pointing efficiency based on the central position, obtaining a target pointing angle adjustment instruction of a line beam of the high-altitude captive balloon platform, executing the target pointing angle adjustment instruction, and communicating the user, the unmanned aerial vehicle cluster and the high-altitude captive balloon platform after executing the adjustment instruction. Compared with the prior art, the method has the advantages of improving the network topology adjustment and resource allocation efficiency of ocean emergency communication and the like.

The invention provides an overhead atmospheric temperature measuring device and method. The measuring device comprises at least one temperature probe and a temperature measuring circuit. The temperature probe adopts a patch type four-wire platinum resistor temperature sensor, spaceflight white paint is coated on the surface of the temperature probe and a nearby cable, and the temperature probe is arranged on the outer surface of the high-altitude balloon; the temperature measurement circuit adopts a four-wire system constant current source temperature measurement circuit and comprises a power conversion circuit, a constant current source circuit, a filter circuit and an instrument amplification circuit.

The invention comprises an apparatus, method for using the apparatus and system for balloon altitude control by in-situ characterization and active energy management. The invention presented enables transportation, autonomous operation and use of a balloon beyond the limits of conventional high-altitude ballooning to the edge of the atmosphere, or about 100 km above the surface of the Earth. The apparatus comprises at least: an envelope containing lift-gas; an envelope and lift-gas characterizer; an altitude control system operated using active energy addition and lift-gas transfer or ambient air introduction into the system; and an external payload component. The invention is capable of operating in ascent, descent, or stationary mode; the altitudinal movement of the balloon is caused by measuring in-situ envelope and lift-gas characteristics, identifying the change in the lift-gas energy needed, and facilitating the required energy change for altitude control.

The utility model relates to a ballast adjusting system for a high-altitude balloon, and relates to the technical field of high-altitude balloons. Comprising an outer balloon, an inner balloon, a storage cabin, a ballast, a first control switch and a movable baffle. A first accommodating space is formed in the outer balloon, and the first accommodating space is filled with buoyancy lift gas; the inner balloon is arranged in the first accommodating space, and a second accommodating space is formed in the inner balloon; a third accommodating space is formed in the storage cabin, and the third accommodating space communicates with the second accommodating space; the ballast is arranged in the third containing space and used for being gasified to enter the second containing space. The first control switch is arranged at the joint of the storage cabin and the inner balloon; an opening is formed in the side, away from the inner balloon, of the storage bin and communicates with the third containing space, and the movable baffle covers the opening. The problems that the ballast adjusting system of the high-altitude balloon is poor in sustainable adjusting effect and high in energy consumption are solved by prolonging the time through phase change of the ballast and opening and closing of the movable baffle.

The invention relates to the technical field of aerostats, and provides a high-altitude balloon launching device and a control method. The high-altitude balloon issuing device comprises a first base, a roller, a locking and releasing mechanism, a turnover mechanism and a dip angle adjusting mechanism. The first end of the roller is movably connected with the locking and releasing mechanism, and the second end of the roller is connected with the turnover mechanism; the inclination angle adjusting mechanism comprises a first support, a second support, a first rotating shaft and an inclination angle adjusting assembly, the first support and the second support are oppositely arranged and connected with the first rotating shaft, and the first rotating shaft is arranged on the first base; the first support is connected with the locking and releasing mechanism, the second support is connected with the turnover mechanism, and the inclination angle adjusting assembly is connected with the first support and used for driving the first support to rotate. According to the high-altitude balloon issuing device, the issuing inclination angle of the roller can be actively adjusted, adaptation to different inclination angles of the roller is achieved, the issuing risk caused by mismatching of the inclination angles is reduced, and safe issuing of high-altitude balloons is guaranteed.

The invention comprises an apparatus, method for using the apparatus and system for balloon altitude control by in-situ characterization and active energy management. The invention presented enables transportation, autonomous operation and use of a balloon beyond the limits of conventional high-altitude ballooning to the edge of the atmosphere, or about 100 km above the surface of the Earth. The apparatus comprises at least: an envelope containing lift-gas; an envelope and lift-gas characterizer; an altitude control system operated using active energy addition and lift-gas transfer or ambient air introduction into the system; and an external payload component. The invention is capable of operating in ascent, descent, or stationary mode; the altitudinal movement of the balloon is caused by measuring in-situ envelope and lift-gas characteristics, identifying the change in the lift-gas energy needed, and facilitating the required energy change for altitude control.

The invention provides a solar cell calibration-oriented high-altitude balloon sphere reflected light detection method, and relates to the technical field of solar cell calibration, the method is based on high-altitude balloon attribute parameters, a three-order Bezier curve is used for fitting a two-dimensional model of a high-altitude balloon, and thus an accurate sphere geometric model is established; determining the solar altitude based on the latitude of the position of the high-altitude balloon and the sun irradiation time, thereby determining the angle of the sunlight irradiating the high-altitude balloon; and then, based on the two-dimensional model and the solar altitude angle, determining a quantized value of the reflected light of the high-altitude balloon which generates interference on solar cell calibration. According to the solar cell calibration-oriented high-altitude balloon sphere reflected light detection method provided by the invention, through quantitative evaluation of the high-altitude balloon sphere reflected light, accurate detection of the high-altitude balloon sphere reflected light is realized, and the solar cell calibration precision is improved.

The invention provides an exhaust valve of a high-altitude balloon and the high-altitude balloon. The exhaust valve of the high-altitude balloon comprises a cylinder body, a valve cover, a coil, a magnetic part and an elastic part, the first end of the cylinder body is used for being connected with a balloon body of the high-altitude balloon, the interior of the cylinder body is communicated with the interior of the balloon body, and an exhaust port is formed in the second end of the cylinder body; the valve cover is arranged in the cylinder body and is movably connected with the second end of the cylinder body so as to block or open the exhaust port; the coil and the magnetic part are both arranged in the cylinder body; the magnetic piece is connected with the valve cover; the two ends of the elastic assembly are connected with the first end of the barrel and the magnetic piece correspondingly, and the elastic assembly is in a pre-compressed state; when the coil is not powered on, the exhaust port is closed, and when the coil is powered on, the exhaust port is opened. According to the exhaust valve of the high-altitude balloon, opening and closing of the valve are achieved through the electromagnetic principle, the structure of a driving mode is simplified, the overall weight of the exhaust valve is reduced, energy consumption is reduced, and the task execution time of the high-altitude balloon is prolonged.

The present application relates to high altitude balloon launching technical field, provide a kind of balloon launching system and launching method, balloon launching system includes sequentially connected balloon, cable and gondola and drum device, restraint device and gondola release device.Drum device is pressed in balloon, and the balloon is divided into the first part and the second part connected in communication from the end away from cable to the end connected with cable.Restraint device is connected with cable, and restraint device is used to fix or release cable.Gondola release device is used to fix or release gondola.Drum device and gondola release device are both configured to be rotatable around vertical axis passing through restraint device.The balloon launching system of the present application, during inflation process, drum device and gondola release device can be rotated relative to restraint device so as to arrange drum device, restraint device and gondola release device in turn along the direction of wind before releasing balloon, avoid balloon from being damaged after release.

The application relates to the technical field of aerostats, and provides a high-altitude balloon system which comprises a rising balloon, a cutting mechanism, a recovery balloon and a gondola, the bottom of the rising balloon is connected with the bottom of the recovery balloon, the recovery balloon is arranged in the rising balloon, the gondola is fixedly connected with the recovery balloon, and a task execution device is arranged in the gondola; the cutting mechanism is arranged on the outer wall of the rising balloon and is used for cutting the rising balloon when the task execution device is recovered; wherein the buoyancy of the recovery balloon is less than the total gravity of the load of the gondola. The application has the advantages of simple structure, low cost and convenient operation, compared with the traditional mode of recovering the gondola load by using a parachute, the application has fewer interference factors when the gondola load is recovered, and the recovery efficiency of the task execution device is improved.

The invention relates to a high-altitude balloon land recovery method based on sea and land wind, and relates to the technical field of high-altitude balloons. The method comprises the steps that wind field information is collected in advance, after the high-altitude balloon is released and released from a flying spot, balloon height information is collected in real time, whether the high-altitude balloon reaches the preset floating height or not is judged according to the balloon height information, and meanwhile data collection is conducted in the process that the high-altitude balloon is blown to the ocean by land wind; and the to-be-recycled part is separated from the high-altitude balloon, blown to the land by the sea wind and finally falls into the recycling position. The releasing personnel can wait at the recovery position, land recovery is achieved, the releasing personnel do not need to conduct offshore recovery, the recovery pressure is effectively relieved, the recovery difficulty is lowered, and the problem that an existing high-altitude balloon load recovery mode is high in recovery difficulty is solved.

This invention discloses an autonomous and recoverable sounding device, belonging to the fields of aerospace technology and meteorological detection technology. The device mainly includes a shell assembly, variator wings, aerodynamic adjustment components, internal structure, connecting parts, a radio frequency module, solenoid valves, and exposed sensor fairings, and can be connected to a high-altitude balloon. The device adopts a variator aircraft layout, adapting to high-altitude strong wind environments and maximizing flight efficiency by changing the layout of the variator wings; a retractable connecting part is provided at the tail to realize the connection and disconnection of the recoverable sounding device from the high-altitude balloon; this invention achieves autonomous recovery of the sounding device, which helps to improve environmental pollution and biological threats, and solves the problems of uncontrollable landing points, high cost, and limited data transmission capabilities; it also has significant advantages such as stable structure, convenient operation, strong detection capabilities, and high reliability of detection data.

An example method for launching a high-altitude balloon includes securing a launch collar around a balloon envelope to form a choke point separating an upper portion of the balloon envelope from a lower portion of the balloon envelope. The balloon envelope is structurally secured to a launch platform via a tether that is coupled to the launch collar. The launch collar is configured such that release of the launch collar from the choke point releases the balloon envelope from the launch platform.

The present invention discloses a high-altitude balloon radar reflector and its manufacturing process in the technical field of composite material products, including a composite material mounting plate. A number of circular embedded holes are provided on the composite material mounting plate, and square embedded parts are filled in the embedded holes. An array of reflection units is installed on the embedded parts. The present invention reduces the weight of the high-altitude balloon radar reflector, improves the accuracy, and reduces the cost.

The invention relates to the technical field of spaceflight, and particularly discloses a high-altitude balloon carrying and releasing powered unmanned aerial vehicle which comprises a sounding balloon releasing system and a powered unmanned aerial vehicle body. The sounding balloon releasing system comprises an air bag, an air bag rope, a load cabin and a releasing system composed of a releasing frame, a rope and a control system, and is used for carrying the powered unmanned aerial vehicle to a preset height and releasing the unmanned aerial vehicle. The powered unmanned aerial vehicle adopts a conventional aerodynamic layout of a middle single wing and comprises a fuselage, wings, a horizontal tail and a vertical tail. The powered unmanned aerial vehicle is carried by the sounding balloon to lift off, and in the super-high-altitude rarefied air environment, stable flight and data acquisition tasks can be achieved by means of the design of the wings with the large lift-drag ratio and the large aspect ratio and a power device of the powered unmanned aerial vehicle. According to the invention, the problems of high cost and complicated launching of the existing superaltitude unmanned aerial vehicle platform are solved, and a high-altitude detection scheme with low cost, flexible deployment and stable flight is provided.

The application relates to the technical field of high-altitude aircraft launching, and provides a high-altitude balloon launching shelter and a launching method. The high-altitude balloon launching shelter comprises a shelter body, a high-altitude balloon arranged in the shelter body, a cable winding and unwinding assembly arranged in the shelter body, a first cutting piece arranged at a first cable, an inflation assembly arranged in the shelter body, a lifting assembly arranged in the shelter body, a gondola connected with the high-altitude balloon, and a control assembly connected with the cable winding and unwinding assembly, the first cutting piece, the inflation assembly and the lifting assembly. According to the high-altitude balloon launching shelter and the launching method, the automation degree of high-altitude balloon launching is improved, and the high-altitude balloon launching shelter is convenient to transport and quickly deploy.

The invention provides a high-altitude balloon inflation tube and an inflation method, and relates to the field of high-altitude balloon inflation, the high-altitude balloon inflation tube comprises a tube body and a protection piece, the side wall of the tube body is provided with a protection hole, the protection piece comprises a base material and a connecting ring, one side of the connecting ring is fixedly connected with the base material, and the base material is broken before the side wall of the tube body under the same air pressure. According to the high-altitude balloon inflation tube and the inflation method, the protection holes are formed in the tube body, the protection pieces are connected to the protection holes, the positions of the protection holes can be adjusted, the protection pieces are connected to the corresponding protection holes, the fracture position can be adjusted according to needs, and the fracture position is more convenient to maintain. And only the protection piece with the broken base material needs to be replaced, so that the maintenance is more convenient.

A method of detecting a small area wildfire is described. The method includes: (i) receiving, at a processor, an electronic map of an area of interest; (ii) receiving, at the processor from a satellite, location information for a high-altitude balloon disposed above the area of interest; (iii) determining, using the processor and based one or more different types of sensor data that is received from one or more different types of sensors on the high-altitude balloon and the high-altitude balloon location, one or more wildfire locations; (iv) embedding each of the wildfire locations on the electronic map to produce a fire activity map; and (v) causing to display or displaying the fire activity map including the wildfire locations within the area of interest.

Balloon launching systems and methods relating thereto are described. A method of launching a balloon includes securing a balloon to an everting platform and disposing the platform within a launch chamber having an inflatable tubular membrane. The everting platform couples to the inflatable tubular membrane such that the balloon is positioned inside a launch cavity while a pressurization cavity is defined adjacent thereto. Lifting gas is dispensed into and sealed within the balloon. The pressurization cavity is pressurized to an everting pressure causing the inflatable tubular membrane to evert and extend above a balloon launching end of the launch chamber. The everting membrane accelerates the inflated balloon toward the launching end and surrounds and shields the balloon from cross-winds and ground obstacles. The balloon is released after membrane extension.

An example reusable high-altitude balloon system includes a balloon with a first end supporting a payload and a second end with an aperture and an apex fitting that is positioned within the aperture. A clamp applies a pressure to a plurality of pleated folds formed in the perimeter of the aperture around the apex fitting to form an air-tight seal against the balloon at the perimeter of the aperture. The reusable high-altitude balloon system further includes control circuitry that controllably releases the apex fitting from the balloon to initiate a descent sequence.

The application provides a high altitude balloon launching method and a composite high altitude balloon. The high altitude balloon launching method comprises the following steps: putting the high altitude balloon into a windproof air bag, and connecting the high altitude balloon, a cable and a gondola in sequence; arranging winch pull ropes on the periphery of the windproof air bag, and arranging cutters on the winch pull ropes respectively; filling air into the windproof air bag and filling helium into the high altitude balloon, and controlling the pressure difference between the windproof air bag and the high altitude balloon within a preset pressure difference range after the filling is completed; releasing the windproof air bag and synchronously releasing the winch pull ropes; cutting the winch pull ropes by using the cutters when the distance between the gondola and the ground is greater than a first safety height; and detaching the windproof air bag to make the windproof air bag separate from the high altitude balloon when the distance between the gondola and the ground is greater than a second safety height. The high altitude balloon launching method and the composite high altitude balloon provided by the application aim to solve the problem that the wind resistance of the high altitude balloon is weak and the high altitude balloon is easy to be damaged in the launching process in the prior art.

To enable the desired altitude control without complicating or increasing the size of the altitude control device structure. [Solution] The reactor 1 for high-altitude balloons comprises a gas flow section 11 having an internal space, a float gas source housing section 2 provided in an airtight and watertight manner on one axial end of the gas flow section 11 and housing a float gas source inside, and a reaction liquid housing section 12 provided in an airtight and watertight manner on the other axial end of the gas flow section 11 and storing a reaction liquid inside that chemically reacts with the float gas source to generate float gas, and further comprises a rotation control device 4 that integrally controls the rotation of the reactor 1 at a predetermined angle.

The invention provides a high-heat-load and low-permeability flexible fiber-based composite fabric and a preparation method thereof. The high-heat-load and low-permeability flexible fiber-based composite fabric comprises a first TPU layer, a first bonding layer, a base cloth layer, a second bonding layer and a second TPU layer which are sequentially arranged, the first bonding layer and the second bonding layer comprise one or more of polyurethane resin, a solvent, diisocyanate, polyisocyanate and a polyether siloxane copolymer. The preparation method has the beneficial effects that a full-process high-heat-load and low-permeability composite material production process is provided, the composite material is excellent in performance and can be applied to various special fields such as high-altitude balloons, and the application range of a conventional TPU composite material is widened.

The invention discloses a balloon suspension high-altitude wind wheel ground power generation device and method, and relates to the technical field of high-altitude wind energy, the balloon suspension high-altitude wind wheel ground power generation device comprises a high-altitude balloon component, a high-altitude wind direction suspension component, a high-altitude wind wheel power component and a ground power generation component, the upper portion of the machine frame is connected with the high-altitude wind direction hanging component, and the high-altitude wind direction hanging component is connected with the high-altitude balloon component. According to the balloon suspension high-altitude wind wheel ground power generation device and method, the high-altitude balloon and the high-altitude suspension height can be adjusted at any time according to needs, and the high-altitude rotating wind wheel can be kept in a windward state at any time through the high-altitude suspension wheel disc to improve the rotating speed and the power generation efficiency; the device can continuously and enduringly operate at high altitude for a long time to drive a generator on the ground to generate power on the ground so as to form a large-scale industry.

Aspects of the disclosure relate to manufacturing a balloon envelope for use in a stratospheric balloon system. For instance, a stream of polyethylene mixture is extruded through an extruder in order to orient molecules of polymer chains of polyethylene and to provide an oriented film. The oriented film is passed through an electron beam and thereby crosslinking the polymer chains to provide a cross-linked film. The cross-linked film is heat sealed to form the balloon envelope.