CN108644606A - A kind of boat-carrying sounding balloon automatic inflating release device and application method - Google Patents

A kind of boat-carrying sounding balloon automatic inflating release device and application method Download PDF

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Publication number
CN108644606A
CN108644606A CN201810793913.1A CN201810793913A CN108644606A CN 108644606 A CN108644606 A CN 108644606A CN 201810793913 A CN201810793913 A CN 201810793913A CN 108644606 A CN108644606 A CN 108644606A
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CN
China
Prior art keywords
balloon
frame side
balloon body
chassis
boat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810793913.1A
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Chinese (zh)
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CN108644606B (en
Inventor
王冠琳
滕飞
江志辉
李淑江
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao National Laboratory for Marine Science and Technology Development Center
First Institute of Oceanography SOA
Original Assignee
Qingdao National Laboratory for Marine Science and Technology Development Center
First Institute of Oceanography SOA
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Application filed by Qingdao National Laboratory for Marine Science and Technology Development Center, First Institute of Oceanography SOA filed Critical Qingdao National Laboratory for Marine Science and Technology Development Center
Priority to CN201810793913.1A priority Critical patent/CN108644606B/en
Publication of CN108644606A publication Critical patent/CN108644606A/en
Application granted granted Critical
Publication of CN108644606B publication Critical patent/CN108644606B/en
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Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C5/00Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
    • F17C5/06Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/02Special adaptations of indicating, measuring, or monitoring equipment
    • F17C13/025Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C7/00Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2250/00Accessories; Control means; Indicating, measuring or monitoring of parameters
    • F17C2250/07Actions triggered by measured parameters
    • F17C2250/072Action when predefined value is reached
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/30Assessment of water resources

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)

Abstract

A kind of boat-carrying sounding balloon automatic inflating release device and application method, belong to aerological sounding technical field.Including balloon body, chassis and elastic spacing band, balloon body bottom is equipped with inflation check valve, chassis both sides are respectively equipped with rotation frame side, it rotates frame side and is equipped with infrared induction module, it rotates and is equipped with turning motor outside frame side side, chassis is equipped with the electric lock being connected with inflation check valve and buckles, inflation check valve valve port is also associated with transfer conduit one end, the transfer conduit other end is equipped with inflation source, and it is intermediate equipped with solenoid valve, infrared induction module is electrically connected with the input terminal of control module, and control module output end has been electrically connected turning motor, electric lock button and solenoid valve.It solves the problems, such as that existing sounding balloon the degree of automation of going up to the air is low, stable sounding balloon can be played the role of in gas replenishment process, while effectively reducing the use of the personnel in operating process, high degree of automation greatly improves work efficiency and practicability.

Description

A kind of boat-carrying sounding balloon automatic inflating release device and application method
Technical field
The present invention relates to a kind of boat-carrying sounding balloon automatic inflating release device and application methods, belong to aerological sounding Technical field.
Background technology
Currently, sounding balloon is usually filled with the gases such as hydrogen, helium in inside, instrument lift-off is carried and by the meteorological data of measurement Ground is beamed back by radio, to carry out the observation of aerological.In existing oceanographic survey flight number, sounding balloon usually selects It takes in daily set time release, therefore frequently encounters that Oversea wind is larger and ship waves more serious situation.
The existing Conventional pneumatic pattern generally used is that first balloon tail portion inflating port is locked to connect helium by sebific duct On the copper inflation pedestal of gas cylinder, then needs 2-3 people to buttress and stablize balloon, 1 people opens helium tank and slowly inflates, and waits inflating After, balloon is carefully removed from inflation pedestal, inflating port is tightened using filament and connects sensor release, operating procedure It is cumbersome, great personnel's pressure is increased to the comprehensive survey flight number of rotation system, existing simultaneously can not hold because wind-force is larger Balloon, so the case where causing release failure or balloon to damage occur.
For above-mentioned prior art situation, present invention applicant has done a large amount of beneficial explorations repeatedly, and final products take Effective achievement was obtained, and forms technical solution described below.
Invention content
In view of the above-mentioned deficiencies, the present invention provides a kind of boat-carrying sounding balloon automatic inflating release device and users Method, it is simple in structure at low cost, stable sounding balloon can be played the role of in gas replenishment process, while effectively reducing operating process In personnel use, high degree of automation greatly improves work efficiency and practicability.
The present invention is achieved by the following technical solutions:A kind of boat-carrying sounding balloon automatic inflating release device, including Balloon body, chassis and elastic spacing band, the balloon body bottom are equipped with inflation check valve, and the chassis both sides are respectively equipped with Frame side is rotated, the rotation frame side is equipped with infrared induction module, and turning motor is equipped with outside rotation frame side side, described Chassis is equipped with the electric lock being connected with inflation check valve and buckles, and the inflation check valve valve port is also associated with transfer conduit one End, the transfer conduit other end are equipped with inflation source, and intermediate equipped with solenoid valve, and the infrared induction module is electrically connected with The input terminal of control module, the control module output end have been electrically connected turning motor, electric lock button and solenoid valve.
Further, the chassis bottom is equipped with hold-down support, and rotary shaft, the rotation are respectively equipped with inside both sides Frame side sets there are four and is separately positioned on rotating shaft terminal two-by-two.
Further, the infrared induction module is oppositely arranged respectively in rotation frame side, and positioned at same rotary shaft It is equipped with elastic membrane between rotation frame side.
Further, it is also correspondingly provided with the flexible body of rod respectively between the rotation frame side in two rotary shafts, it is described Telescopic rod internal body portion Hua Dong be equipped with towards both ends extension bar, the extension bar distal end respectively with corresponding rotation frame side Top is coupled, and the countershaft of the extension bar on two flexible bodies of rod is equipped with elastic spacing band, on the elastic spacing band Equipped with locating clip.
Further, data processing module is additionally provided in the control module, the balloon body bottom is provided with rope Cable, the cable, which bypasses to extend at the top of the flexible body of rod from balloon body bottom, is connected with fixed block used for positioning, the electricity Lock is arranged in the mounting base of chassis top center.
Further, it is additionally provided with two stage reducer between the turning motor and rotation frame side.
Further, the transfer conduit extends to external inflation source, transfer conduit along chassis from inflation check valve On further respectively have for detecting the pressure detecting module of pressure and flow for controlling gas flow rate in feedback balloon body Controller, the pressure detecting module are electrically connected with control module input terminal, the control module output end and flow Controller is electrically connected.
Further, a kind of application method of boat-carrying sounding balloon automatic inflating release device, includes the following steps:
A. hold-down support fixed frame is utilized, balloon body is put into from side, and the inflation check valve of bottom is mounted on Electric lock in chassis upper mounting seat is buckled, while top utilizes the locating clip clamping position on elastic spacing band;
B. the control switch in control module is opened, and then solenoid valve opens connection transfer conduit, flow controller is opened The flow velocity of gas in controlling transmission pipeline, pressure detecting module, which opens and detects atmospheric pressure value in balloon body, feeds back to control module Data processing module, gas inflates balloon body along transfer conduit in inflation source;
C. balloon body expansion and gradually close to elastic membrane, corresponding infrared induction module cannot be examined mutually in frame side to be rotated When measuring, control module receives signal and controls turning motor rotation, and then is transferred to two stage reducer, makes rotary shaft rotation simultaneously Rotation frame side is driven to laterally rotate, the extension bar in telescopic rod body gradually flexes outward;
D. locating clip with balloon body expansion Automatic-falling, while elastic spacing band plays stabilization to balloon body Outside Slideslip, until elastic spacing band slides in and out to not contacted with balloon body and pressure detecting module detects balloon Internal pressure has reached predetermined value, and control module controls solenoid valve and closes, and opens simultaneously electric lock button, and balloon body pulls cable automatic Rise, until extending at fixed block.
Beneficial effects of the present invention:
1. it is simple in structure at low cost, stable sounding balloon can be played the role of in gas replenishment process, effectively reduced simultaneously Personnel in operating process use, high degree of automation, greatly improve work efficiency and practicability;
2. elastic membrane has been all made of elastic material with elastic spacing band, it can ensure balloon body while stablizing balloon body Normal morphology;
3. the pressure condition in balloon body can be detected in real time, and control module is fed back to, improves the degree of automation.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of the present invention;
Fig. 2 is the structural schematic diagram after present invention installation balloon body;
Fig. 3 is the structural schematic diagram after present invention installation balloon body inflation;
Fig. 4 is the control principle schematic diagram of the present invention.
In figure, chassis 1, hold-down support 11, rotary shaft 12, mounting base 13, electric lock button 14, rotation frame side 2, infrared induction mould Block 21, elastic membrane 22, turning motor 3, two stage reducer 31, the flexible body of rod 4, extension bar 41, elastic spacing band 5, locating clip 51, Inflation source 6, transfer conduit 61, pressure detecting module 62, solenoid valve 63, flow controller 64, control module 7, data processing mould Block 71, fixed block 8, cable 81, balloon body 9, inflation check valve 91.
Specific implementation mode
As shown in Figures 1 to 4, a kind of boat-carrying sounding balloon automatic inflating release device and application method, including chassis 1, Hold-down support 11, rotary shaft 12, mounting base 13, electric lock button 14, rotation frame side 2, infrared induction module 21, elastic membrane 22, revolution Motor 3, two stage reducer 31, the flexible body of rod 4, extension bar 41, elastic spacing band 5, locating clip 51, inflation source 6, transfer conduit 61, pressure detecting module 62, solenoid valve 63, flow controller 64, control module 7, data processing module 71, fixed block 8, cable 81, balloon body 9, inflation check valve 91, the chassis 1 are mounted on by multiple hold-down supports 11 that bottom is arranged on hull, A rotary shaft 12 is respectively equipped with inside 1 both sides of chassis, 12 both ends of rotary shaft are respectively equipped with a rotation frame side 2, institute Elastic membrane 22 is equipped between the rotation frame side 2 stated, and forward surface center is correspondingly provided with infrared induction module 21, the rotation respectively Shaft 12 is located at the turning motor 3 being additionally provided with outside side rotation frame side 2 for controlling the rotation of rotary shaft 12, revolution electricity Two stage reducer 31 is additionally provided between machine 3 and rotary shaft 12.
The flexible body of rod 4, the telescopic rod are also correspondingly provided between rotation frame side 2 in two rotary shafts 12 respectively Sliding is equipped with the extension bar 41 towards both ends respectively inside body 4,41 distal end of the extension bar respectively with corresponding rotation frame side 2 Top is coupled, and the elastic spacing band 5 is equipped with two and both ends, and axis is connected on the extension bar 41 on two flexible bodies of rod 4 respectively Between, locating clip 51 is also respectively provided on elastic spacing band 5.
1 top center of chassis is additionally provided with mounting base 13, and 13 inside of mounting base is equipped with electric lock button 14, described Balloon body 9 buckled on 14 mounted on electric lock by the inflation check valve 91 at air inlet, 91 valve port of inflation check valve is also It is connected with transfer conduit 61, the transfer conduit 61 extends to external inflation source 6 along chassis 1 from inflation check valve 91, passes It is further respectively had on defeated pipeline 61 for detecting the pressure detecting module 62 of pressure in feedback balloon body 9, being used for controlling transmission pipe The solenoid valve 63 that gas circulates in road 61 and the flow controller 64 for controlling gas flow rate, the infrared induction module 21 are electrically connected the input terminal of control module 7 with pressure detecting module 62, and 7 output end of control module is electrically connected respectively It is connected to turning motor 3, electric lock button 14, solenoid valve 63 and flow controller 64.
Data processing module 71 is additionally provided in the control module 7,9 bottom of balloon body is provided with cable 81, The cable 81 bypasses the 4 top extension of the flexible body of rod from 9 bottom of balloon body and is connected with fixed block 8, the fixed block 8 setting On hull, the apparatus structure is simply at low cost, can play the role of stable sounding balloon in gas replenishment process, while effectively subtracting Personnel in operating process are lacked to use, high degree of automation, greatly improve work efficiency and practicability.
The device when in use, first with hold-down support 11 on hull fixed frame 1, balloon body 9 is put from side Enter, and the electric lock that the inflation check valve 91 of bottom is mounted in 1 upper mounting seat 13 of chassis is buckled on 14, while top utilizes elasticity Limit 51 clamping position of locating clip on band 5.
The control switch in control module 7 is opened, and then solenoid valve 63 opens connection transfer conduit 61, flow controller 64 The flow velocity of gas in controlling transmission pipeline 61 is opened, pressure detecting module 62 opens and detects atmospheric pressure value in balloon body 9 and feeds back to The data processing module 71 of control module 7, gas inflates balloon body 9 along transfer conduit 61 in inflation source 6, and balloon body 9 expands And gradually close to elastic membrane 22, when corresponding infrared induction module 21 cannot be detected mutually in rotation frame side 2, control module 7 reception signals simultaneously control the rotation of turning motor 3, and then are transferred to two stage reducer 31, rotary shaft 12 is made to rotate and drive rotation Frame side 12 laterally rotates, and the extension bar 41 in the flexible body of rod 4 gradually flexes outward, locating clip 51 with balloon body 9 expansion Automatic-falling, outside Slideslip while playing stabilization to balloon body 9 of elastic spacing band 5.
Until elastic spacing band 5 slides in and out to not contacted with balloon body 9 and pressure detecting module 62 detects balloon Pressure has reached predetermined value in body 9, and control module 7 controls solenoid valve 63 and closes, and opens simultaneously electric lock button 14, and balloon body 9 pulls Cable 81 rises automatically, until extending at fixed block 8, you can.
For the ordinary skill in the art, introduction according to the present invention, do not depart from the principle of the present invention with In the case of spirit, changes, modifications, replacement and modification that embodiment is carried out still fall within protection scope of the present invention it It is interior.

Claims (8)

1. a kind of boat-carrying sounding balloon automatic inflating release device, including balloon body, it is single that the balloon body bottom is equipped with inflation To valve, it is characterised in that:Further include chassis and elastic spacing band, the chassis both sides are respectively equipped with rotation frame side, described It rotates frame side and is equipped with infrared induction module, turning motor is equipped with outside rotation frame side side, the chassis is equipped with and fills The electric lock that gas check valve is connected is buckled, and the inflation check valve valve port is also associated with transfer conduit one end, the transfer tube The road other end is equipped with inflation source, and intermediate equipped with solenoid valve, and the infrared induction module is electrically connected with the input of control module End, the control module output end have been electrically connected turning motor, electric lock button and solenoid valve.
2. a kind of boat-carrying sounding balloon automatic inflating release device as described in claim 1, characterized in that the chassis bottom Portion is equipped with hold-down support, and rotary shaft is respectively equipped with inside both sides, and the rotation frame side sets there are four and is separately positioned on two-by-two Rotating shaft terminal.
3. a kind of boat-carrying sounding balloon automatic inflating release device as claimed in claim 2, characterized in that the infrared sense It answers module to be oppositely arranged respectively in rotation frame side, and is equipped with elastic membrane between the rotation frame side of same rotary shaft.
4. a kind of boat-carrying sounding balloon automatic inflating release device as claimed in claim 2, characterized in that two rotations The flexible body of rod is also correspondingly provided between rotation frame side on axis respectively, the telescopic rod internal body portion Hua Dong be equipped with towards two The extension bar at end, extension bar distal end is coupled with corresponding rotation frame side top respectively, on two flexible bodies of rod Extension bar countershaft be equipped with elastic spacing band, the elastic spacing band be equipped with locating clip.
5. a kind of boat-carrying sounding balloon automatic inflating release device as claimed in claim 4, characterized in that the control mould Data processing module is additionally provided on block, the balloon body bottom is provided with cable, and the cable is bypassed from balloon body bottom Extend at the top of the flexible body of rod and be connected with fixed block used for positioning, the mounting base in chassis top center is arranged in the electric lock button On.
6. a kind of boat-carrying sounding balloon automatic inflating release device as described in claim 1, characterized in that the revolution electricity It is additionally provided with two stage reducer between machine and rotation frame side.
7. a kind of boat-carrying sounding balloon automatic inflating release device as described in claim 1, characterized in that the transfer tube Road extends to external inflation source along chassis from inflation check valve, is further respectively had in transfer conduit for detecting feedback balloon body The pressure detecting module of interior pressure and the flow controller for controlling gas flow rate, the pressure detecting module and control Module input is electrically connected, and the control module output end is electrically connected with flow controller.
8. a kind of application method of boat-carrying sounding balloon automatic inflating release device as described in claim 1-7, characterized in that Include the following steps:
A. hold-down support fixed frame is utilized, balloon body is put into from side, and the inflation check valve of bottom is mounted on chassis Electric lock in upper mounting seat is buckled, while top utilizes the locating clip clamping position on elastic spacing band;
B. the control switch in control module is opened, and then solenoid valve opens connection transfer conduit, flow controller opens control The data that atmospheric pressure value in balloon body feeds back to control module are opened and detected to the flow velocity of gas in transfer conduit, pressure detecting module Processing module, gas inflates balloon body along transfer conduit in inflation source;
C. balloon body expansion and gradually close to elastic membrane, corresponding infrared induction module cannot be detected mutually in frame side to be rotated When, control module receives signal and controls turning motor rotation, and then is transferred to two stage reducer, and rotary shaft is made to rotate and drive Rotation frame side laterally rotates, and the extension bar in telescopic rod body gradually flexes outward;
D. for locating clip with the expansion Automatic-falling of balloon body, elastic spacing band is outside while playing stabilization to balloon body Slideslip, until elastic spacing band slides in and out to not contacted with balloon body and pressure detecting module detects in balloon body Pressure has reached predetermined value, and control module controls solenoid valve and closes, and opens simultaneously electric lock button, balloon body pull cable it is automatic on It rises, until extending at fixed block.
CN201810793913.1A 2018-07-19 2018-07-19 Automatic inflation and release device for shipborne sounding balloon and use method Active CN108644606B (en)

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Application Number Priority Date Filing Date Title
CN201810793913.1A CN108644606B (en) 2018-07-19 2018-07-19 Automatic inflation and release device for shipborne sounding balloon and use method

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Application Number Priority Date Filing Date Title
CN201810793913.1A CN108644606B (en) 2018-07-19 2018-07-19 Automatic inflation and release device for shipborne sounding balloon and use method

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CN108644606A true CN108644606A (en) 2018-10-12
CN108644606B CN108644606B (en) 2023-06-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113719747A (en) * 2021-07-29 2021-11-30 中国船舶重工集团公司第七一八研究所 Automatic meteorological balloon inflation releasing device based on fixed volumetric hydrogen storage tank
CN114313208A (en) * 2021-12-28 2022-04-12 中国特种飞行器研究所 Mooring balloon rapid automatic inflation and flying water-flow anchoring platform
CN115793100A (en) * 2022-10-31 2023-03-14 国网安徽省电力有限公司马鞍山供电公司 Micro environmental meteorological data acquisition device and method thereof
CN117146172A (en) * 2023-08-31 2023-12-01 广州广钢气体能源股份有限公司 Helium recovery gasbag storage, carrying and retraction system

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US5636480A (en) * 1994-10-31 1997-06-10 University Corporation For Atmospheric Research Facility for preparing and deploying sounding devices
CA2442726A1 (en) * 2001-04-09 2002-10-24 Saab Barracuda Ab Reverse balloon
US20050006523A1 (en) * 2003-04-11 2005-01-13 Patrick French Balloonsonde launcher
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CN104890851A (en) * 2015-05-25 2015-09-09 湖南航天机电设备与特种材料研究所 Near space balloon system safety release method
CN205280961U (en) * 2015-12-28 2016-06-01 上海昊葛金自动化科技有限公司 Full -automatic balloon system of letting fly away
US20170043271A1 (en) * 2014-04-22 2017-02-16 Seatriever International Holdings Limited Self inflating balloon
CN207380275U (en) * 2017-11-03 2018-05-18 上海长望气象科技股份有限公司 Sounding balloon automatic inflating and relieving mechanism

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US4387868A (en) * 1980-01-04 1983-06-14 Centre National D'etudes Spatiale Method and apparatus for launching and inflating a space balloon
US5636480A (en) * 1994-10-31 1997-06-10 University Corporation For Atmospheric Research Facility for preparing and deploying sounding devices
CA2442726A1 (en) * 2001-04-09 2002-10-24 Saab Barracuda Ab Reverse balloon
US20050006523A1 (en) * 2003-04-11 2005-01-13 Patrick French Balloonsonde launcher
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113719747A (en) * 2021-07-29 2021-11-30 中国船舶重工集团公司第七一八研究所 Automatic meteorological balloon inflation releasing device based on fixed volumetric hydrogen storage tank
CN114313208A (en) * 2021-12-28 2022-04-12 中国特种飞行器研究所 Mooring balloon rapid automatic inflation and flying water-flow anchoring platform
CN114313208B (en) * 2021-12-28 2023-06-23 中国特种飞行器研究所 Quick automatic inflation of captive balloon is put and is flown off streamlined anchoring platform
CN115793100A (en) * 2022-10-31 2023-03-14 国网安徽省电力有限公司马鞍山供电公司 Micro environmental meteorological data acquisition device and method thereof
CN117146172A (en) * 2023-08-31 2023-12-01 广州广钢气体能源股份有限公司 Helium recovery gasbag storage, carrying and retraction system

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