467 results about "Aerostat" patented technology

An integrated solar and wind energy conversion system that is carried aloft by an aerostat / balloon, which is filled with lighter-than-air gas or hot air comprises solar panel array and wind turbine array to convert solar radiation and wind power into usable and renewable energy for on and / or off-grid application or storage. The solar panel array includes at least one of the flexible solar panel and spray on solar composite or combinations thereof. The present invention requires minimal land mass, can be deployed in remote areas, it can be deployed as permanent, semi-permanent, or temporary configurations. The present invention uses computers to automate many of the systems function for maximum energy harvesting. The present invention can be used both day and night.

The invention provides a photoelectric control valve of an aerostat. The photoelectric control valve of the aerostat comprises a valve cover, a seal ring, multiple columns, a base, a control circuit, a valve body, an opening-closing mechanism portion and a limiting mechanism portion, wherein the valve body is arranged on a bag body of the aerostat. The multiple columns are respectively located between the base and the valve body to enable the base and the valve body to be connected. The valve body is provided with a valve port and used for air in an air bag in the aerostat to be discharged out. An outer circle of the valve port is sleeved in an inner hole of the seal ring, and the valve cover covers the seal ring and the valve port and is in a sealed state. A flange structure of the lower end face of a lead screw of the opening-closing mechanism portion is fixed to the valve cover, and the lead screw is used for opening and closing the valve cover and enabling the valve cover to be away from and cover the valve port. A motor of the opening-closing mechanism portion is connected with the control circuit and controls lifting and downward moving of the valve cover in the vertical direction. The lead screw is provided with a threaded hole, a stopping block of the limiting mechanism portion is fixed to the lead screw through the threaded hole, and the stopping block vertically moves with the lead screw to block infrared light emitted by an upper limiting optical coupling assembly and a lower limiting optical coupling assembly of the limiting mechanism portion and cut off the control circuit and accordingly enables the motor to stopping running.

The present invention discloses a lighter-than-air vehicle and a method to replenish hydrogen into the vehicle while the vehicle is in the sky. The lighter-than-air vehicle can use helium or other gases that doesn't react with hydrogen as lifting gas. Hydrogen will be replenished into the lighter-than-air vehicle while it is still in mid-air. The lighter-than-air vehicles can comprise an aerostat, a hydrogen generator; a water tank and a duct. The present invention can also comprise an aerostat, a compartment, hydrogen generator, a water tank; and a duct. The present invention can also comprise an aerostat, a compartment, and a hydrogen storage alloy device. The present invention can also comprise an aerostat and a hydrogen storage alloy device.

The invention provides a bionic fish type suspended aerostat for a near space. The bionic fish type suspended aerostat comprises an outer skin, a tail fin, and one secondary airbag or more than one secondary airbags for inflating air, wherein the outer skin is formed by a plurality of alternatively-connected first rigid ribs and a first flexible rib; the tail fin is formed by a plurality of alternatively-connected second rigid ribs and a plurality of second flexible ribs; a buoyancy working medium is filled in the outer skin; the first rigid ribs and the second rigid ribs are manufactured by using a plurality of layers of Kapton thin films to laminate curing colloid; when the suspended aerostat blasts off until the air in the secondary airbags is discharged out and is in a stable form, the first rigid ribs and the second rigid ribs are cured in a rigid thin-wall shell structure in a space heat radiation condition; and the first flexible rib, the second flexible ribs, and the secondary airbags are made of a high polymer composite thin film material.

The invention relates to a cluster method for an air mobile node comprising the following steps: track forecast about the air mobile node is implemented; the air mobile nodes can be divided into groups in advance in ground station with the result of track forecast; the grouping result is sent to the air mobile node; the air mobile node references the grouping result and makes cluster adjustment considering aerial real-time condition. The cluster method can effectively improve stability and flexibility of near-space cluster and reduce calculation amount of aerial high-speed mobile node. The invention also relates to an air-ground integration cluster system, comprising a ground station, an aerostat and an air mobile node, wherein, the aerostat is used for connecting the ground station and the air mobile node, information transferring function between the two points is executed when the aerostat goes up and treatment of cluster adjustment is processed selectively when the aerostat goes down. Within the system, the aerostat not only executes transferring function, but also bears part of calculation amount to undergo selective treatment, thereby ensuring real-time and high efficiency of communication between air and ground.

The invention provides an unmanned aerostat system which is efficient and can fly for a long time. The unmanned aerostat system comprises a bullet portion (1), a rod body section (2) and a propelling section (3). The bullet portion (1) comprises two hollow shells (4) and an air bag (5), wherein the shapes of the two shells (4) are identical. The rod body section (2) comprises a hollow cylindrical central rod body (14), three rod body outer plates (8), three rod body outer plate connecting mechanisms (9), a groove-shaped propeller chamber (10), a rod-shaped propeller rod (11), a double-blade propeller (12), and an internal device (13), wherein the rod-shaped propeller rod (11) extends out from the groove-shaped propeller chamber (10). The propelling section (3) is a rocket booster containing fuel. The unmanned aerostat system can collect information of a local area and transmit the information for a long time.

The invention relates to a natural heat and sail driven aerostat system with a controllable track. An upper covering and a lower covering are welded to form a main air bag which is filled with the air. As the outer surface of the upper covering and the outer surface of the lower covering are coated with heat control coatings, solar radiant heat and infrared radiant heat of the surface of the earth are absorbed, so that the temperature of the air in the main air bag is raised and floating force is generated; an air valve is installed on the top of the main air bag and started and closed by receiving instructions of a device load cabin so as to control the height of the whole system; the device load cabin is connected to the lower portion of the main air bag by tying a rope in a hanging mode, the lower portion of the device load cabin is connected with a supporting arm through a deviation control cable, and a measurement control module, a pneumatic sail face and a vector thruster are arranged on the supporting arm. The stressed direction of the pneumatic sail face is crossed with the action direction of the vector thruster in an orthogonality mode. The measurement control module receives the instructions sent by the device load cabin and controls starting and closing of the vector thruster and the rotation angle of the supporting arm.

Apparatus and method for a continuous replenishing of the lift gas and maintaining the proper pressure and lift of a tethered medium altitude aerostat utilizing a novel feed tube running the entire length of the tether. A first end of the feed tube is connected to the aerostat while a second end is connected through a novel slip ring means to a pressure controlled helium ballast chamber and scrubber on the ground to maintain pressure and lift by a reversible compressing pump. A plurality of pressure and temperature sensors and tension gauges strategically placed inside and around the airship continuously monitor the temperature and pressure changes in the aerostat. A data retrieval and communication unit mounted on the aerostat collects measurement data from the pressure, temperature and tension sensors which is relayed to the ground station and the data is used to regulate lifting gas pressure inside the aerostat.

The invention relates to the technical field of aerostat modal tests, in particular to an aerostat modal testing method and an aerostat modal testing system. The aerostat modal testing method at least comprises the steps of: lifting and suspending an aerostat in an enclosed space; respectively selecting a nose cone position and a nacelle position of the aerostat as excitation points; dividing the aerostat into a plurality of cross sections; arranging a plurality of sensors on each cross section; exciting the excitation points at the nose cone position and the nacelle position respectively; and acquiring an excitation signal and a vibration signal generated during the excitation process. The aerostat modal testing system at least comprises an exciter, sensors, an acquisition instrument and a computer. The aerostat modal testing method and the aerostat modal testing system are used for determining the inherent frequency and vibration mode of the aerostat so that the aerostat can avoid resonance during the design process, and making clear of the responding situations of the aerostat to different dynamic loads.

The present invention discloses an aerostat airbag detection system based on a digital speckle correlation method, and belongs to the technical field of the aircraft detection, wherein the aerostat airbag detection system is applicable for detecting defects and leaks on the aerostat airbag surface. The detection system comprises a main control platform, a track apparatus, an image acquisition unit, a loading device and a data processing unit. According to the present invention, during detecting, the track apparatus providing with a camera is provided for carrying out overall shooting for the aerostat airbag; then the pressure difference between the inner and the outer of the airbag is changed through controlling the loading device on the airbag to enable the airbag to be deformed; then the overall shooting is performed again for the deformed airbag; finally, the digital speckle correlation technology is adopted for processing the two shot images to obtain the displacement and the strain distribution of the airbag surface so as to realize the detections of the defects and the leaks on the airbag. The system has characteristics of non-destructive detection, full field detection, high precision, quantification and automation, and provides a new solution scheme for detection of the aerostat airbag performance.

A control system for a tethered aerostat is provided, where at least one rotational and at least one translational degree of freedom are controlled to setpoints through the variation of tether lengths by an actuator system. The term tether includes a single tether, a tether group or a sub section of tether controlled by an individual actuator. Accurate rotational and translational control is essential for the successful operation of an aerostat under several applications, including surveillance, weather monitoring, communications, and power generation. For a given use case, the controller can be constructed and arranged to manage the tradeoff between several key performance characteristics, such as transient performance, steady-state pointing accuracy, tether tension regulation, and power generation.

The invention provides a flexible netlike solar panel array for a stratospheric aerostat. The solar battery array is based on efficient rigid solar batteries, through a 'fish scale' netlike design method, lightened rigid packaging is carried out on the monolithic efficient rigid batteries, so as to form a monolithic solar battery module; the monolithic solar panel module is installed on a flexible net which is weaved by using flexible fabric and is fitted on the surface of the aerostat; and serial and parallel cables among the rigid batteries and a final main transmission cable are built in each pipeline positioned on the flexible net. According to the scheme, the aim of efficient use of the solar battery array is fulfilled, the flexible net for hanging and installing the rigid solar batteries integrates the functions of an installation substrate, a transmission cable pipeline and a boat body strengthening part; and when application requirements are met, the system composition and total weight are reduced to the maximum degree. In addition, the flexible netlike solar panel array can be designed into a whole type or a sectional combined type according to practical application requirements.