Provided is a buoyancy measurement device (10) for a captive balloon. The buoyancy measurement device (10) comprises: a cable connector (22), multiple mooring cables (24) of the captive balloon being connected to the cable connector (22); a pressure base (12) connected to an upper end of a main rope (28) of the captive balloon, with a lower surface of the pressure base (12) being provided with a first stressed face (16); and a force measurement device (14, 20) connected to the cable connector (22), wherein an upper surface of the force measurement device (14, 20) is provided with a second stressed face (18), the pressure base (12) is located above the force measurement device (14, 20), and the first stressed face (16) abuts against the second stressed face (18) so as to measure the buoyancy of the captive balloon. The buoyancy measurement device for a captive balloon is simplified Also provided is a captive balloon.
A connecting structure and an aerostat comprising the same. The connecting structure (100) is used for mounting an external device and comprises: a capsule connecting portion (10) which is a solid structure; one end of the capsule connecting portion (10) is connected with a capsule (200) of an aerostat, and the other end of the capsule connecting portion (10) is a free end that extends in a direction away from the capsule (200); and a force bearing portion (20) being connected with a surface of the capsule connecting portion (10); the force bearing portion is used for mounting the external device. The connecting structure (100) solves the problem of severe damage to the continuity of a material due to a mounting hole disposed in the capsule connecting portion (10) and weak strength of the capsule connecting portion (10).
A mooring rope guiding device, comprising a mounting support (10) connected to a truss; a winding wheel (20), the winding wheel (20) being pivotally connected to the mounting support (10), and a winding groove (21) being circumferentially provided on the winding wheel (20); a limiting frame (30), the limiting frame (30) comprising a first pivoting arm and a second pivoting arm parallel to each other, the first pivoting arm and the second pivoting arm being respectively located at the two axial sides of the winding wheel (20), the limiting frame (30) further comprising a connection structure (31), a first end of the first pivoting arm and a first end of the second pivoting arm being connected by means of the connection structure (31), and a rope passing area being formed between the first end of the first pivoting arm and the first end of the second pivoting arm; and a rotating mechanism (40), the first pivoting arm and the second pivoting arm being both pivotally connected to a rotating shaft (22) of the winding wheel (20) by means of the rotating mechanism (40), the rotating mechanism (40) being provided with at least one shock absorbing member (41), the shock absorbing member (41) being disposed between the first pivoting arm and the winding wheel (20) and/or between the second pivoting arm and the winding wheel (20). The present invention solves the problem in the prior art of easy release of a photoelectric mooring rope from a guiding pulley.
A cable winding device, comprising: a bottom plate (10); a cable storage device (20); the cable storage device (20) is disposed on the bottom plate (10) and has a cable storage space; a cable spooling device (30); an outlet end of the cable spooling device (30) is disposed at an inlet side of the cable storage device (20); a cable guiding device (40); an outlet end of the cable guiding device (40) is disposed at an inlet end of the cable spooling device (30), and a cable enters through the inlet end of the cable spooling device (40) and moves toward the cable storage device (20) via the cable spooling device (30); a driving device (50); the driving device (50) is disposed on the bottom plate (10) and is drivingly connected to the cable storage device (20) and the cable spooling device (30); and a control portion connected to the driving device (50) to control operation of the driving device (50). The device increases the service life of the cable. A mobile-and-position-purposed lift-off winding system comprising the cable winding device.
An aerostat positioning system and method, a storage medium, and a processor. The system comprises: an altitude sensor (10), provided in an aerostat and used for measuring the altitude of the aerostat relative to a plane in which an anchoring device is located; a meter (20), provided in the anchoring device and used for measuring the length of an anchoring cable of the aerostat, wherein the anchoring cable passes through an annular body (50); the annular body (50), provided at a predetermined position on one side of the meter (20) by means of a support component; multiple pressure sensors (30), provided at different positions on an inner side of the annular body (50) and used for measuring components of a tensile force in multiple directions, said tensile force being applied by the anchoring cable of the aerostat to the annular body (50); and a processor (40), communicating with the altitude sensor (10), the meter (20), and the multiple pressure sensors (30) and used for determining a position of the aerostat relative to the annular body (50) according to the altitude, the length, and the component tensile forces. The positioning system resolves a technical issue in which providing a GPS positioning device in an aerostat for positioning the aerostat is too expensive.
A composition for forming a flame-retardant polyurethane, a skin, and an aerostat are provided. The composition comprises polyurethane, aluminum hypophosphite, diphenyl cresyl phosphate, and antimony trioxide. In preparation of a flame-retardant polyurethane material by using the polyurethane material, the aluminum hypophosphite, the diphenyl cresyl phosphate, and the antimony trioxide as starting materials, the three flame retardants thereof can be dispersed in the polyurethane in a special structure, which, in combination with the synergistic effect of the components, allows the modified polyurethane material prepared using the above starting materials to have excellent flame-retardant and anti-aging properties.
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
7.
BALLOON MATERIAL, RAW MATERIAL COMPOSITION THEREOF, AND AEROSTAT
A raw material composition for a balloon material, comprising an ultraviolet-excitable crosslinked polymer material and an ultraviolet photoinitiator. The raw material composition enhances the ultraviolet irradiation resistance and barrier performance of a material. The balloon material, comprising an ultraviolet-excitable crosslinked film layer. An aerostat, made from the balloon material.
A polyethylene film having a thermal insulation layer, comprising: a solder layer (1); a load bearing layer (2), located on the solder layer (1); a barrier layer (3), located on the load bearing layer (2); a thermal insulation layer (4), located on the barrier layer (3); and a weather-resistant layer (5), located on the thermal insulation layer (4). According to the polyethylene film, a thermal insulation layer containing metal particles is additionally provided, and by means of scattering and blocking effects of the added metal particles, most light is diffuse-reflected or blocked after incident light passes through the processed film; thus, the occurrence of increase in temperature of the material is effectively avoided, and the temperature difference in a balloon is reduced. The film can be used for a high-altitude balloon.
An apparatus capable of correcting cable arrangement. The apparatus capable of correcting cable arrangement comprises: a cable arrangement correcting device (22), the cable arrangement correcting device (22) being connected to a cable arrangement wheel (24) and located between a cable arrangement screw (25) and a cable storage cylinder (21), a cable (26) passing by the cable arrangement wheel (24) and the cable arrangement correcting device (22) in sequence, and the cable arrangement correcting device (22) being used for outputting a different voltage according to an angle formed between the cable (26) and the cross section of the cable storage cylinder (21); and a control device, the control device being electrically connected to the cable arrangement correcting device (22), and used for controlling the speed of a cable arrangement motor according to the output voltage of the cable arrangement correcting device (22) to change the moving speed of the cable arrangement wheel (24), so as to match the cable arrangement pitch with the winding speed of the cable storage cylinder (21). By means of the technical solution, the occurrence of cable arrangement chaos is reduced, and the service life of a cable is prolonged.
Provided are a shackle structure and an aerostat provided with the shackle structure. The shackle structure comprises: a support frame (10); a driving rotary wheel assembly (20), with the driving rotary wheel assembly (20) being connected to the support frame (10), and the driving rotary wheel assembly (20) comprising a rotatable driving wheel (21); and a driven rotary wheel assembly (30), with the driven rotary wheel assembly (30) being connected to the support frame (10), and the driven rotary wheel assembly (30) comprising a rotatable driven wheel (31). The driving wheel (21) and the driven wheel (31) are oppositely arranged so as to press on a bracing wire located therebetween, and the driving wheel (21) rotates in a first direction so that the bracing wire moves in the first direction at a point of tangency of the driving wheel (21) with same so as to adjust a tensile force of the bracing line. The shackle structure solves the problems of a very cumbersome tensile force adjustment process of the bracing wire and the poor connection stability between the shackle and the bracing wire due to the simple structure of existing shackles.
A one-way valve and an aerostat comprising same. The one-way valve comprises: a base plate (10), first flow-through holes (11) being provided on the base plate (10); a valve plate (20), movably disposed on the base plate (10) in a direction perpendicular to the base plate (10), the valve plate (20) having a flow stop position and a flow-through position, when the valve plate (20) is at the flow stop position, the valve plate (20) pressing against the base plate (10) and covering the first flow-through holes (11), and when the valve plate (20) is at the flow-through position, a gap being formed between the valve plate (20) and the base plate (10), and the gap being communicated with the other side of the base plate (10) facing away from the valve plate (20) by means of the first flow-through holes (11); and a connection structure (30), having a first end connected to the valve plate (20), and a second end matching the base plate (10) to connect the valve plate (20) to the base plate (10). The one-way valve resolves the problem of inapplicability of an existing one-way valve to an airbag structure.
Provided are a system and method for controlling retrieval of a cable. The control system comprises: an alternating current generation device (10) provided at a cable (30) and generating an alternating current by means of movement of the cable (30); a drawing motor M, wherein retrieval of the cable stops when the drawing motor M stops; and a motor switch module (20) connected to the alternating current generation device (10) and the drawing motor M, the motor switch module (20) controlling the drawing motor M to halt after generation of an alternating current. The control method comprises: generating an alternating current by means of movement of a cable being retrieved; and in response to generation of the alternating current, controlling a drawing motor to stop so as to stop retrieving the cable. The system and method realize automatic control on retrieval of a cable, thereby increasing control accuracy with respect to retrieval of a cable.
B65H 75/38 - Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
A pressure regulating device for a buoyancy capsule comprises: a base (2); a support (8), disposed on a side surface of the base (2) and located at an edge of an opening (3) of the base (2); a driving mechanism (4), connected to the support (8) and comprising a first rotating shaft; an actuator (6), having a first end and a second end opposite each other and comprising a second rotating shaft (12) parallel to the first rotating shaft, wherein the first end is pivotably connected to the support (8) by the second rotating shaft (12) so as to be fixed to the edge of the opening; a valve cover (4), engaging with the opening, wherein the second end of the actuator is connected to the valve cover; and a cam (16), having a pivotably connecting portion and an abutting portion configured opposite each other, wherein the cam is connected to the first rotating shaft by using the pivotably connecting portion and the cam rotates relative to the support as the first rotating shaft rotates. When the cam rotates to the abutting portion and abuts the actuator (6), the valve cover (4) is separated from the base (2) to form an open position. When the cam rotates to the abutting portion and is separated from the actuator (6), the valve cover (4) and the base (2) engage to form a closed position. An aerostat is also provided. The pressure regulating device and the aerostat can automatically and manually adjust pressure according to atmospheric conditions.
B64B 1/62 - Controlling gas pressure, heating, cooling, or discharging gas
F16K 1/18 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps
Provided are an aerostat nacelle, comprising a lower box body (10) and an upper box body (20), wherein the upper box body (20) covers the lower box body (10), and a side face of the upper box body (20) and a side face of the lower box body (10) are superposed in a vertical direction; the upper box body (20) is connected to the lower box body (10) and may move up and down relative to the lower box body (10); the lower box body (10) and the upper box body (20) form a mounting space used for mounting an instrument (100); a first thermal control coating (11) is coated on an outer surface of the lower box body (10), and a second thermal control coating (12) is coated on an inner surface of the lower box body (10); the first thermal control coating (11) is low in solar absorptivity and high in emissivity, and the second thermal control coating (12) is high in emissivity; the low solar absorptivity is solar light absorptivity that is smaller than 0.15, and the high emissivity refers to that the radiation rate of infrared radiation is more than 0.8. Also provided is an aerostat. The aerostat nacelle solves the problem wherein temperature control in an aircraft nacelle is highly difficult.
A locating method and apparatus. The locating method comprises: acquiring a first image collected by an optical device, the first image comprising an observation target and a plurality of preset targets, the plurality of preset targets being targets of which the geographic coordinates are known (S102); selecting, on the basis of the first image, from the plurality of preset targets a first preset target (S104); acquiring a second image, the first preset target being located at the center of the second image (S106); determining a first attitude angle of the optical device on the basis of measurement data collected by an inertial navigation system and the first preset target in the second image (S108); correcting the first attitude angle on the basis of the position relation between the observation target and the first preset target in the second image, obtaining a second attitude angle (S110); calculating geographic coordinates of the observation target on the basis of the second attitude angle (S112). A locating method and apparatus solve the technical problem in the prior art of high cost involved in the accurate locating of an observation target.
Provided are a method, device and system for acquiring a target curved surface. The method comprises: collecting an image generated by a light ray projected onto a target curved surface, the image comprising: a plurality of bright stripes, wherein the light ray is an emergent light ray emitted from two pre-set light sources, and the bright stripes respectively from the two pre-set light sources are arranged at intervals; obtaining a plurality of target points from the bright stripes in the image; acquiring a coordinate value of the plurality of target points, and according to the coordinate value of the plurality of target points, acquiring the target curved surface; and according to the target curved surface, determining the volume of a ballonet. The technical problem in the prior art that when a binocular camera is used to monitor the state of an airship ballonet, high registration difficulty of the binocular camera results in low accuracy is solved.
G01B 11/25 - Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. moiré fringes, on the object
17.
SCANNING METHOD OF PHOTOELECTRIC REMOTE SENSING SYSTEM
Provided is a scanning method of a photoelectric remote sensing system, which comprises the following steps: S10, providing a photoelectric remote sensing system suspended in the air, the photoelectric remote sensing system comprising a hovering device (1), a pan-tilt device (2) arranged on the hovering device (1) and a photographing device (3) arranged on the pan-tilt device (2); S20, by means of the pan-tilt device (2), driving the photographing device (3) to scan a target area along a plurality of circular trajectories (4) of a concentric surrounding manner; and by means of the pan-tilt device (2), driving the photographing device (3) to switch between the plurality of circular trajectories (4) of a concentric surrounding manner, thus a scanning area of the photographing device (3) covers the entire target area, and adjusting optical parameters of the photographing device (3) while switching circular trajectories (4), such that the spatial resolutions of pictures photographed at all scanning points are the same. The method can ensure that the scanning area completely covers the target area and enable the pictures photographed at the different target points to have the same spatial resolution.
G03B 37/02 - Panoramic or wide-screen photographyPhotographing extended surfaces, e.g. for surveyingPhotographing internal surfaces, e.g. of pipe with scanning movement of lens or camera
The present invention relates to an anchoring system for a tethered balloon, comprising: an anchoring frame having a first support arm (41) and a second support arm (42), the two support arms being used for supporting the anchoring frame (1); a rotating component (2) used for rotatably supporting the anchoring frame (1); a first support device (31) and a second support device (32) connected to the first support arm (41) and the second support arm (42) respectively, and rollably supporting the anchoring frame (1). In the present application, the first support device and the second support device rotatably supporting the anchoring frame are disposed, so that a damaging impact caused by a balloon in an anchored state suffering from surprise attack of large side wind can be effectively presented. Therefore, during design of the anchoring frame, a large and heavy anchoring beam of the anchoring frame can be avoided, so that design difficulties and manufacturing costs are reduced. In addition, the anchoring system for a tethered balloon has a simple structure and is flexible and convenient to use.
Provided are a forest monitoring system and a monitoring method. The system comprises: a floating resident platform (1) located in a stratosphere over a target monitoring area in a to-be-monitored forest; a monitoring device (2) disposed on the floating resident platform (1) for monitoring the target monitoring area in the forest according to a received monitoring instruction, so as to obtain monitoring data; and a ground device (3), for establishing a communication relationship with the monitoring device (2), sending the monitoring instruction to the monitoring device (2) according to a predetermined monitoring task, and analyzing monitoring data returned by the monitoring device (2) to obtain target data of the target monitoring area in the forest; the target monitoring area is monitored in the forest by setting the monitoring device (2) on the floating resident platform (1), analyzing the monitoring data with the help of the ground device (3), thereby realizing the efficient and accurate monitoring of the forest and solving the problem of lower efficiency when measuring large area of forest in the prior art.
A rub test platform, comprising: a base (10); a drive device (20), the drive device (20) being mounted on the base (10); and a push-pull rotating mechanism (30), the push-pull rotating mechanism (30) being mounted on the base (10), a first end of the push-pull rotating mechanism (30) being connected to the drive device (20), and a second end of the push-pull rotating mechanism (30) being connected to a tested object (60). The rub test platform may not only complete a tensile test but may also complete a rotation test, and the structure thereof is simple.
A valve assembly for an aerostat and an aerostat. The assembly comprises a valve (1) with a valve opening (7), and a valve disc (2). The valve disc can move relative to the valve (1) to cover or open the valve opening (7). At least one of the valve (1) and the valve disc (2) is provided with a first magnetic component (5), and the other of the valve or the valve disc is provided with a second magnetic component (6), wherein the second magnetic component can form a mutual attraction with the first magnetic component. Further disclosed is an aerostat with a valve capable of remaining locked without relying on an external energy source. The aerostat is provided with at least one of the valve assembly provided in the invention.
A method for flying a large balloon comprises the following steps: S1, flatten a balloon capsule (10) on a flying site (20), connect one end of the balloon capsule (10) to one end of a thread (30), and fix the other end of the thread (30) to a nacelle (40), and tie a bundling member (60) capable of being remotely controlled to the balloon capsule (10), and the bundling member (60) divides the balloon capsule (10) into a first capsule portion (11) distant from a launching vehicle (50) and a second capsule portion (12) close to the launching vehicle (50); S2, arranging a restraining device above the second capsule portion (12), and the restraining device restrains the second capsule portion (12)along the length direction of the second capsule portion (12); S3, inflate the first capsule portion (11) until the first capsule portion (11) flies away from the ground; S4, after the inflation is completed, as the first capsule portion (11) continuously moves close to the direction of the launching vehicle (50) in the horizontal direction, one end of the second capsule portion (12) close to the first capsule portion (11) starts to remove restraints of threads on the second capsule portion (12) one by one; and S5, when the balloon capsule (10) is completely separated from a suspension arm (51) and flies, remove the restraint of the bundling member (60) on the balloon capsule (10) by means of remote control, and the rising gas inflated into the first capsule portion (11) gradually swells in the process of rising to a height of a task, until the gas fills the whole balloon capsule (10) and the balloon capsule (10) is flown into the air. By means of the method for flying a large balloon, impact in the flying process is reduced, the flying state of the balloon capsule (10) can be more easily controlled, and it is easier to operate the launching vehicle (50) to perform collaboration.
An aerostat launching system, comprising: an auxiliary balloon connected to an aerostat (60) to be launched to hang the aerostat (60); and a support (30) used for suspending a nacelle (62) of the aerostat (60). The aerostat launching system is convenient to right the aerostat (60). When air inflated into the balloon of the aerostat (60) reaches a given amount, buoyancy increases, such that the nacelle (62) is hanged up and launched into the air, which is simple, quick, and easy to control.
An exhaust assembly for an aerostat, and an aerostat provided with said exhaust assembly, the exhaust assembly comprising a valve base (2) having a valve port (1), and a valve cover (3) able to selectively cover the valve port (1), and also comprising a motor drive mechanism and a transmission mechanism arranged on the valve seat (2), the motor drive mechanism pushing the transmission mechanism to drive the valve cover (3) to selectively cover the valve port (1); in the position where the valve cover (3) opens the valve port (1), the valve cover (3) is arranged at an angle to the plane on which the valve port (1) is located. The exhaust assembly automatically and flexibly adjusts the exhaust pressure, increasing exhaust efficiency.
F16K 31/04 - Operating meansReleasing devices electricOperating meansReleasing devices magnetic using a motor
F16K 1/22 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
B64B 1/62 - Controlling gas pressure, heating, cooling, or discharging gas
A fire disaster monitoring method and apparatus. The method comprises: acquiring an infrared image obtained by photographing a region to be monitored using an infrared detection apparatus on an aerostat, wherein different colours displayed in the infrared image correspond to different temperatures (S102); determining, according to the colours displayed in the infrared image, whether a difference value between temperatures corresponding to adjacent regions in the infrared image is greater than a predetermined threshold value (S104); and if it is determined that the difference value between the temperatures corresponding to the adjacent regions is greater than the predetermined threshold value, sending fire disaster alarm information to a receiving device, wherein the fire disaster alarm information is used to indicate that a fire disaster is occurring in the region to be monitored (S106). By means of the method, the technical problem of low monitoring accuracy caused by adopting the existing fire disaster monitoring method is solved.
A three-dimensional topographic mapping system and mapping method. The system comprises: a floating resident platform (1), a detection apparatus (2) and a ground apparatus (3), wherein the floating resident platform (1) is located in the stratosphere above a predetermined ground area to be mapped, and the detection apparatus (2) is arranged on the floating resident platform (1) and is used to map the predetermined ground area according to mapping instruction information sent by the ground apparatus (3) and return mapping data to the ground apparatus (3); and the ground apparatus (3) obtains DEM data after processing the returned mapping data. A predetermined ground area is mapped by arranging a detection apparatus (2) on a floating resident platform (1), and mapping data is calculated with the cooperation of a ground apparatus (3), thereby implementing highly efficient and accurate mapping of three-dimensional DEM data, and solving the problem of relatively low mapping accuracy and efficiency when performing three-dimensional DEM data mapping by adopting a remote-control aeroplane in the prior art.
patents