84 results about "Weather balloon" patented technology

Systems and methods for remote detection of volcanic plumes using satellite signals. The invention solves the problem of remotely detecting volcanic plumes, including those embedded in clouds, by providing a system that can be installed onboard a mobile platform, such as an aircraft, a satellite, a weather balloon, a ship or a buoy. The volcanic plume detection system tracks RF signals (such as GPS signals from satellites) arriving at the mobile platform, and issues an alert or warning when characteristics of the RF signals indicate the likely presence of a volcanic plume in the monitored space. More specifically, the system in accordance with one embodiment utilizes the refractive properties of hydrogen sulfide (H₂S), a gas that is abundant in nearly all volcanic eruptions, to infer the presence of a volcanic plume.

The invention relates to a weather monitoring device, in particular to a new weather balloon, which comprises the following components by weight percent: 100 of centrifugal concentrated natural latex, 0.3 of casein, 0.3 of potassium hydroxide, 0.15 of peregal 0, 2 of sulphur, 1.5 of N-ethyl-N-phenyl dithiocarbamate zinc, 1 of N-phenyl-2-naphthylamine, 1.5 of zinc oxide, 1.5 of dibutyl sebacate, 1.5 of IR-550 polyisoprene latex, 0.05 of dispersing agent NF, 0.05 of borax, 0.3 of sodium butylnaphthalenesulfonate, 0.5 of sodium hexametaphosphate, 8 of dioctyl sebacate and 10 of chloroprene polymer. The new weather balloon provided by the invention has the advantages of high sounding altitude, long sounding time and wide application prospect.

The invention provides a method and device for using dropping sounding to measure atmosphere vertical wind. The device for using the dropping sounding to measure the atmosphere vertical wind comprises a sounding balloon, a timing cutter, a hard shell ball, a short rope, a long rope and a GPS sound; the sounding balloon is connected to the hard shell ball through the short rope; the timing cutter is installed above the hard shell ball; the hard shell ball is connected to the GPS sound through the long rope; after the sounding balloon is elevated to a certain altitude, the timing cutter is started to cut the short rope, and the hard shell ball, the long rope and the GPS sound fall off as a dropping system. The method and device of the invention obtain atmosphere horizontal wind field information through releasing the sounding balloon from the ground and can calculate more accurately. The GPS sound is compact in design and small in volume and an area of a wind-facing section of the GPS sound is only 0.003m2, and has an effect on a resistance coefficient no more than 0.005. In a process of dropping sounding, the hard shell ball is used as a drag parachute. The hard shell ball is a three-dimensional symmetrical body, which simplifies a process of solving the resistance coefficient and avoids analysis of complex motions like swinging and rotating.

The invention provides a weather balloon which comprises the following components in parts by weight: 100 parts of concentrated natural latex by centrifuging, 0-0.30 part of potassium hydroxide, 0-0.2 part of casein, 0-0.15 part of peregal O, 1-2 parts of sulphur, 1-2 parts of N-phenyl-2-naphthylamine, 1-2 parts of ethyl-phenyl-zinc dithiocarbamate, 1-2 parts of N-phenyl-N'-isopropyl-p-phenylenediamine, 0.5-3 parts of zinc oxide, 3-5 parts of mechanical oil and 3-7 parts of emulsified paraffin. The invention further provides a preparation method of the weather balloon and a combined weather balloon. The average levitating height of the weather balloon which is in a specification of 750g reaches 30450 meters, and the effective rate of the balloons with the levitating height of 26000 meters is 88.2%. The average levitating height of the weather balloon which is in a specification of 1600g in rainy days reaches 33481 meters, and the effective rate of the balloons with the levitating height of 30000 meters is 91.7%. Demands on the weather balloons at present are achieved.

The invention relates to a method and a system for testing the sounding balloon bursting. The method for testing sounding balloon bursting comprises the following steps: a sounding balloon to be tested is suspended on the top of a laboratory through a suspending device; compressed air of a certain pressure is conveyed into the sounding balloon through a pipeline; an air flowmeter is arranged in a pipeline for conveying the compressed air, and a pressure sensor arranged at the inner side of the sounding balloon is arranged at the end port of the joint of the sounding balloon and the pipeline for conveying the compressed air; the air flowmeter and the pressure sensor respectively collect the flow rate and the pressure of the air flowing into the sounding balloon; the flow rate and the pressure of the air are converted into electrical signals; the collected electrical signals are conveyed to a pressure computer (PC) through an electrical wire; and the flow rate of the air is directly displayed and then accumulated and processed by the PC to be formed into volume parameters to be displayed. The pressure computer detects the flow rate and the pressure of the air continuously; when the sounding balloon is burst or the bursting of the sounding balloon is tested to be qualified, the pressure computer stores and displays the volume and the pressure of the air, and data is stored into the pressure computer to be used for judging if the bursting of the sounding balloon is qualified.

The present invention discloses a stratosphere meteorological parameter fixed high detection device. The device comprises a sounding balloon, a fixed high balloon and a meteorology sonde. The sounding balloon is located above the fixed high balloon; the meteorology sonde is located below the fixed high balloon; the sounding balloon and the fixed high balloon are connected through a sounding plumb rope; the fixed high balloon and the meteorology sonde are connected through a fixed high plumb rope; the sounding plumb rope is provided with a cutting device for cutting the sounding plumb rope after the sounding balloon and the fixed high balloon reach the object height. The stratosphere meteorological parameter fixed high detection device is simple in structure, easy to operate, low in cost, adjustable in flight height, short in preparation time and easy to flexibly enforce and is able to effectively improve the reliability of the stratosphere meteorological parameter fixed high detection.

System and methods of target detection utilize quantum mechanical transition in surface material of a target, such as a weather balloon in flight against a background (sky, clouds), to produce an inflection in spectral reflectance. The system includes at least two filters alternating in front of the lens as the camera attempts to acquire alternate filtered data. The filters can include a rotating filter wheel with two filters alternately sampling the brightest and darkest points around an inflection point in the spectral reflectance curve of the target's material. Target material is observed to blink, or alternate between bright and dark, as filters alternate in front of the camera lens while the background is unchanging, rendering optimal first detection of the target, and may be readily automated. The described process can use a filter wheel, but use of an electrically tunable filter can provide a device with no moving parts.

The invention provides an automatic balloon releasing system for ground 8-level wind. The system comprises an automatic balloon releasing square chamber, a weather radar machine room and an ultrasonic wave wind detecting instrument; the automatic balloon releasing square chamber comprises a balloon releasing chamber, a control chamber, a lift-off detecting device and a collecting chamber; the balloon releasing chamber is used for releasing the lift-off detecting device; the control chamber is used for coordinating and controlling the operation of the system; the collecting chamber is able to detect and control the hydrogen pressure, flowing speed and charging volume of hydrogen; the ultrasonic wind detecting instrument issued for detecting the wind speed and wind direction at field on real time; the weather radar machine room is used for remotely monitoring the operation of the system on real time. With the adoption of the automatic balloon releasing system for the ground 8-level wind, the weather balloon can be normally released under 8-level wind; the system is relatively high in automation degree and is of important significance on disaster prevention and reduction.

The invention discloses a sounding balloon capable of targeted monitoring. The sounding balloon comprises a gas bag charged with hydrogen gas and helium gas, a charging/discharging assembly, a side thrust assembly, a power compensation assembly, a height sensor and a controller, wherein a GPS (global positioning system) positioning module is integrated in the controller; and the controller is respectively connected with the height sensor, charging/discharging assembly and power compensation assembly. Compared with the prior art, the sounding balloon overcomes the defect of high bursting tendency since the pressure in the balloon gets higher in the sounding balloon ascending process, and is supplied by compensation power to prevent crash. Besides, the height sensor can assist in controlling the height of the sounding balloon; and the GPS positioning module can accurately position the sounding balloon.

The invention relates to an atmospheric temperature sounding system and method of a wind profiling radar. The atmospheric temperature sounding system comprises an industrial personal computer, a data processing module, a system control module, an audio signal generator, a digital intermediate-frequency receiver board and a signal processing module. The data processing module is used for calculating audio parameters; the system control module is used for controlling the temperature sounding process; the digital intermediate-frequency receiver board is used for receiving echo signals of the radar; the signal processing module is used for processing the temperature sounding signals; the data processing module is used for processing thermogram data. The velocities of propagation of sound waves in air at different heights are sounded through the wind profiling radar, processing is performed through a mathematical model of the corresponding relation between the propagation velocity and the atmospheric temperature, and thus values of the atmospheric temperature changing along with height can be obtained. According to the method, sounding balloons do not need to be launched, continuous sounding can be performed, data are acquired in real time and are accurate, the data rate is high, and the atmospheric temperature sounding system and method of the wind profiling radar can be used for the fields of meteorological observation, air pollution monitoring, meteorological support for airports and the like.

The invention discloses an application method of a sounding balloon capable of fixed point monitoring, and the method comprises the following steps: 1, assembling the sounding balloon; inflating an air bag; 3, deflating the air bag when the sounding balloon rises; 4, adjusting the height of the sounding balloon; 5, adjusting the position of the sounding balloon; 6, providing compensation power during the recycling of the sounding balloon; 7, recycling the sounding balloon. Compared with the prior art, the invention has the beneficial effects that the method irons out the defect that the sounding balloon is liable to explode because the internal pressure of the sounding balloon is increased gradually in a rising process of the sounding balloon; the method provides the compensation power to the sounding balloon in the recycling process of the sounding balloon, and protects the sounding balloon from crashed; in addition, a height sensor can assist the control of the height of the sounding balloon; and a GPS positioning module can precisely locate the sounding balloon.

The invention discloses a sky hemisphere thermal infrared atmospheric downward radiation ground measurement method. through approximate expression of thermal infrared directional atmospheric downwardradiation, a linear relationship model between directional atmospheric downward radiation and an observation angle cosine value is constructed; and further in combination of an angular integral relationship between the directional atmospheric downward radiation and sky hemisphere atmospheric downward radiation, a simplified model for using a slope and an intercept in the linear relationship modelto calculate the sky hemisphere atmospheric downward radiation is developed. As long as an infrared radiometer on the ground is used to perform three times of measurement on different observation angles of the sky, the slope and the intercept can be fit according to the constructed linear relationship model, and thus, the sky hemisphere thermal infrared atmospheric downward radiation is calculated. The complicated calculation of the hemisphere integral is saved, release of a sounding balloon in the field to acquire atmospheric profile data is not needed either, the infrared radiometer is onlyused on the ground to perform three times of measurement in different directions of the sky, the sky hemisphere thermal infrared atmospheric downward radiation data can thus be quickly obtained, materials and financial resources are saved, and a great significance is achieved in ground verification of a thermal infrared surface temperature remote sensing inversion product.

The invention discloses a natural latex for weather balloons and a preparation method thereof. The natural latex comprises concentrated natural latex accounting for 55 to 65 wt% of total solid, lysozyme accounting for 0.05 to 0.3 wt% of concentrated natural latex, ammonia accounting for 0.1 to 0.4 wt% of concentrated natural latex, and phospholipid accounting for 0.2 to 0.8 wt% of concentrated natural latex. Lysozyme is used to inhibit bacterial reproduction. When the content of ammonia in the natural latex is less than 0.2%, the natural latex still has a low volatile fatty acid value. Phospholipid can absorb on the surface of rubber particles to adjust the charges on the surface of rubber particles, the stability of natural latex can be maintained, and the mechanical stability of natural latex is improved. Calcium hydroxide is added into concentrated natural latex to carry out reactions with cane sugar (a non-rubber material) in natural latex to form calcium saccharate; thus the content of cane sugar in natural latex is reduced effectively, the glass-transition temperature of natural latex vulcanized film is reduced therefore, and the cold resistant property of the film is enhanced.

The invention provides a sounding balloon and an aerological detection system, and relates to an aerological detection equipment field. The problem of the inability of the sounding balloon of realizing the remote control and real-time adjustment of the height of the sounding balloon during the use process of the sounding balloon is solved. The sounding balloon comprises an air bag, a heavy material bag, an exhaust valve, a material discharge valve, a wireless communication module, a height sensor, and a controller. The exhaust valve is communicated with the air bag, and the material discharge valve is communicated with the heavy material bag. The exhaust valve, the material discharge valve, the wireless communication module, and the heavy sensor are respectively in a signal connection with the controller. The sounding balloon is used for the aerological detection, and the effect of realizing the remote control and the real-time adjustment of the sounding height of the sounding balloon and the sounding height of the sounding instrument carried by the sounding balloon simply and quickly is achieved.

The invention provides a weather balloon which comprises a sounding balloon body. The sounding balloon body comprises a balloon base body and a water-based waterproof coating which coats the surface of the balloon base body. The water-based waterproof coating is a macromolecular polyurethane coating. The invention further provides a preparing method of the weather balloon. The weather balloon can be used in the severe weather. The elongation at break, the tensile strength and the stress at definite elongation are good, the difference of the elongation at break and the tensile strength before and after ageing is not huge, and the swelling phenomenon is avoided. According to the launching experiments carried out on the condition of the severe weather, the average lift-off height is more than 29000 meters, the effective rate of the lift-off height of 26000 meters is more than 81.8%, and the requirement for the weather balloon at present is met.

The invention discloses a sounding balloon with precise positioning. The sounding balloon comprises an air bag filled with hydrogen and helium, a gas inflation and exhaustion component, a power compensation component and a controller. A GPS positioning module is integrated in the controller which is connected to the gas inflation and discharge component and the power compensation component. Compared with the prior art, the sounding balloon has the advantages that the disadvantages of the larger and larger pressure in a ball and easy burst in the lift-off process of the sounding balloon is overcome, in the recovery process of the sounding balloon, due to the gas discharge in the past, the buoyant force is reduced, added with the load of a meteorological data measuring device, the speed of decline is faster and faster, the balloon is in the danger of falling, the controller starts a motor according to the pressure signals fed by a built-in pressure sensor and an external pressure sensor, the motor drives a spiral wing to provides compensation power for the sounding balloon, and a crash is prevented. In addition, the sounding balloon can be precisely positioned by the GPS positioning module.

The invention discloses a height-controllable sounding balloon. The height-controllable sounding balloon includes a gas bag inflated with hydrogen gas and helium gas, an inflation/deflation assembly, a power compensation assembly, a height sensor and a controller; and the controller is connected to the height sensor, the inflation/deflation assembly, and the power compensation assembly. Compared with the prior art, the height-controllable sounding balloon has the beneficial effects that the defect that the conventional sounding balloon are prone to explosion due to the internal increasing pressure of the balloons during a lifting process of the conventional sounding balloons can be overcome; during a recovery process of the sounding balloon, the buoyancy is decreasing during deflation, the declining speed of the sounding balloon is increasing due to the load of a meteorological data measurement device, and then falling danger may occur, the controller can open an electric motor according to pressure signals fed back by an internal pressure sensor and an external pressure sensor, the electric motor drives a spiral wing to provide compensated power to the sounding balloon, and then crash can be avoided; and in addition, the height sensor can control the height of the sounding balloon.

The invention provides an aerial meteorological monitoring system, including a mooring sounding balloon, a retracting mechanism, a miniature automatic meteorological station and a data receiving computer, the mooring sounding balloon is connected with a retracting mechanism through a pulling rope, the height of the mooring sounding balloon can be adjusted through the retracting mechanism, the miniature automatic meteorological station is hung on the pulling rope, and is in communication connection with the data receiving computer through a data transmission radio station, and the data receiving computer can push data to a remote server under the condition of being connected with the internet. The aerial meteorological monitoring system provided by the invention can measure atmospheric temperature, atmospheric humidity, wind speeds, wind directions and air pressure at different heights.

The invention provides a high-altitude latex horizontal moving sounding balloon. The sounding balloon comprises balloon skin, a balloon handle, a connecting cylinder, a connecting pipe, an exhaust control device and an exhaust pipe, wherein the balloon skin is made of latex, and the balloon handle is connected with the balloon handle; the balloon handle is internally provided with the connecting cylinder, the connecting cylinder is connected with the connecting pipe, the exhaust control device is arranged at the lower end of the connecting pipe, and the exhaust control device is connected withthe exhaust pipe; the exhaust control device can control a ball valve, so that gas in the balloon is discharged, the rising speed of the balloon is controllable, the working time of the balloon is effectively prolonged, and the accuracy of data measured by a sounding instrument is improved. Through the control of the exhaust control device, the horizontal movement of the sounding balloon is finally achieved, the balloon can carry the instrument to work at a fixed height for a long time, and a carrier is directly provided for the application fields such as high-altitude meteorological detection, high-altitude reconnaissance and communication coverage.

The invention belongs to the field of meteorological observation technology, and in particular relates to a meteorological observation system with an autonomous gliding function and a using method thereof. The system comprises a shell, a light inflatable tube, an inflatable airship, an air pump, a gas storage tank, a control collection system, an iridium satellite module, a GPS module, a battery compartment, a weather sensor and a storage battery, and is characterized in that: the inflatable airship is arranged at the upper end of the shell; the control collection system, the iridium satellitemodule, the GPS module and the battery compartment are also installed on the inner side of the shell; and the weather sensor is mounted on the left side of the shell. The invention adopts the above technical solution, and has the following advantages of: controlling the rise of the meteorological observation system by adjusting the buoyancy amount, and realizing the horizontal movement by the gliding drop. The introduction of the gas storage tank and the air pump adjusts the amount of helium inside the air balloon, thereby realizing the buoyancy adjustable function.

The invention discloses a balloon-borne vertical detection system for atmospheric boundary layer NO2, and belongs to the field of atmospheric pollution monitoring. The system comprises a high altitude data collection and adjustment module, a high altitude data transmission module, a sounding balloon device, a land data transmission module and a land data analysis module, wherein the high altitude data collection and adjustment module comprises a NO2 electrochemical sensor, a reference electrochemical sensor, a low temperature drift signal amplification and filtering circuit, a temperature and humidity sensor, a GPS module, a DSP main control board and a power module; the high altitude data transmission module comprises a wireless serial port unvarnished transmission module; the sounding balloon device comprises a meteorological sounding balloon; the land data transmission module comprises a wireless serial port unvarnished transmission module and a USB to serial port module; the land data analysis module comprises a LabVIE2015 platform and an Origin8 platform. Compared with the traditional NO2 detection equipment, the device has the advantages that the device highlights small size and portability, can realize high precision vertical measurement on the atmospheric boundary layer NO2, can guarantee the stability and reliability of detection results in high altitude complex environment, and has a wide development prospect.

The invention relates to a sounding balloon for meteorological observation and an air inflation method of the sounding balloon. The sounding balloon comprises an air bag, a base and a pressure limiting mechanism, and the pressure limiting mechanism is arranged on the air bag through the base. The base comprises an air bag installation base and a pressure discharging cavity, and the air bag is fixed to the upper end of the air bag installation base. The pressure limiting mechanism comprises a plurality of pressure releasing assemblies arranged in an annular array mode relative to an air bag axis. The pressure releasing assemblies comprise pressure releasing shells and pressure releasing pistons. One end of each pressure releasing shell is open and the other end is sealed. The sealed end of each pressure releasing shell is fixed to the lower end of the air bag installation base. The sealed end of each pressure releasing shell is provided with through holes A for being communicated with the interior of the air bag. The open end of each pressure releasing shell is provided with one annular protrusion. The edges of the pressure releasing pistons and the inner walls of the pressure releasing shells are connected in an enclosed mode. The pressure releasing pistons are connected with the annular protrusions through extension springs. The middle wall faces of the pressure releasing shells are provided with a plurality of through holes B in the axis direction. The interiors of the pressure releasing shells are communicated with the pressure discharging cavity through the through holes B. The pressure discharging cavity is provided with a plurality of pressure discharging holes.