CN109828321A - A kind of active expansion falling sphere near space atmospheric environment in-situ investigation - Google Patents
A kind of active expansion falling sphere near space atmospheric environment in-situ investigation Download PDFInfo
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- CN109828321A CN109828321A CN201910152122.5A CN201910152122A CN109828321A CN 109828321 A CN109828321 A CN 109828321A CN 201910152122 A CN201910152122 A CN 201910152122A CN 109828321 A CN109828321 A CN 109828321A
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Abstract
The present invention relates to a kind of active expansion falling spheres near space atmospheric environment in-situ investigation comprising: falling sphere packaging shell (1), expansion falling sphere ball film (2), inflation mechanism (3) and measuring unit (4)；Expand setting inflation mechanism (3) and measuring unit (4) in falling sphere ball film (2), and expansion falling sphere ball film (2) is sealed, pumping folding is carried out to the expansion falling sphere ball film (2) of the sealing, is then nested in falling sphere packaging shell (1)；When active expansion falling sphere separates toss, folded expansion falling sphere ball film (2) is inflated by inflation mechanism (3), form superpressure sphere, expansion falling sphere ball film (2) after inflation struts falling sphere packaging shell (1), and is detached from it；Atmospheric environment in situ measurement is carried out by built-in measuring unit (4).
Description
Technical field
The invention belongs near space atmospheric environment in-situ investigation technical fields, and in particular to one kind is big near space
The active expansion falling sphere of compression ring border in-situ investigation.
Background technique
Near space is the transitional region of space flight and aviation.0~30km atmosphere original position parameter mainly passes through conventional sonde
It realizes, 30km or more near space atmospheric environment in-situ investigation is mainly realized by sounding rocket mode, the big compression ring of 30~60km
Border, which detects, sounding rocket parachute sonde can be used to be detected.Since 60km or more atmospheric density is smaller, Parachute Opening
Overlong time causes sonde falling speed too fast, so that parachute sonde can not carry out the detection of 60km or more atmospheric environment.
Expand in-situ investigation load of the falling sphere as another sounding rocket, achievable 30~100km near space atmosphere
The in-situ investigation of the atmospheric environmental parameters such as density, wind field, temperature and air pressure.The passive type falling sphere reflected by ground primary radar
30~100km atmospheric parameters, but its low measurement accuracy can be detected, and ground installation is complicated, mobility is poor, use and maintenance expense
With height.
In conclusion present the in situ of near space 30-100km atmospheric density, temperature, air pressure and wind field that can be used for is visited
In survey technology, it is big also to cannot achieve vertical coverage, and vertically rate is high respectively, and measurement accuracy is high, and ground installation is simple, motor-driven
The strong detection demand of property.
Summary of the invention
It is an object of the present invention to solve the prior art, there are drawbacks described above, and the invention proposes one kind for closing on
The active expansion falling sphere of room atmosphere environment in-situ investigation breaks through the existing existing in-situ investigation technological means of 30-100km,
Realize low cost, more elements, high-precision near space in-situ investigation technology.
To achieve the goals above, the present invention provides a kind of for the active of near space atmospheric environment in-situ investigation
Expand falling sphere comprising: falling sphere packaging shell, expansion falling sphere ball film, inflation mechanism and measuring unit；It is set in expansion falling sphere ball film
Inflation mechanism and measuring unit are set, and expansion falling sphere ball film is sealed, the expansion falling sphere ball film of the sealing is evacuated
It folds, is then nested in falling sphere packaging shell；When active expansion falling sphere separates toss, will be rolled over by inflation mechanism
The expansion falling sphere ball film of poststack is inflated, formed superpressure sphere, the expansion falling sphere ball film after inflation will snap together two
A hollow hard shell of semicircle struts, and is detached from it；Atmospheric environment in situ measurement is carried out by built-in measuring unit.
One of as an improvement of the above technical solution, the falling sphere packaging shell is hollow hard shell, and use is nonmetallic
Material is made.
One of as an improvement of the above technical solution, the falling sphere packaging shell includes two hollow hard shells of semicircle,
For protecting the expansion falling sphere ball film being wrapped in it；Described two hollow hard shells of semicircle are installed by way of fastening,
It is formed in the interior thereof an independent space, inside it by folded expansion falling sphere ball film package, being convenient for will be folded
Expansion falling sphere ball film is adapted to installation with rocket, and after falling sphere packaging shell is firmly separated by rocket, due to expanding falling sphere ball film
Become a rigid superpressure sphere by inflation mechanism inflation, naturally by the hollow hard shell of snap together two semicircles
Body struts, and then the expansion falling sphere ball film after falling sphere packaging shell and expansion is detached from.
One of as an improvement of the above technical solution, the expansion falling sphere ball film is a spherical folding film ball, is adopted
With lightweight, elasticity modulus is big, high and low temperature resistance is good, be easy to fold thin-film material be made.It is arranged in expansion falling sphere ball film
There are inflation mechanism and measuring unit, and expansion falling sphere ball film is sealed, becomes the film ball of a sealing, separating
Inflation mechanism is inflated expansion falling sphere ball film when toss, superpressure sphere is formed, when in the expansion falling sphere ball film of the sealing
When air pressure is more than the air pressure of external environment, the volume of expansion falling sphere ball film immobilizes, not with the air pressure change of external environment
Change.
One of as an improvement of the above technical solution, the inflation mechanism is that inside is full of volatile gas or the liquid that easily gasifies
The mechanical device of body；In falling sphere packaging shell and Separation toss, pass through mechanics overload expansion falling sphere ball film when separation
Interior inflation mechanism activation is simultaneously inflated to expansion falling sphere ball film, and gas replenishment process is short, high-efficient.
One of as an improvement of the above technical solution, the measuring unit includes:
GNSS global positioning navigation module measures the location information of expansion falling sphere for real-time in-situ；Wherein, the positioning
Information includes: time of measuring, metrical information and the airspeed information for expanding falling sphere；
Inertia measuring module, the flight attitude information for real-time measurement expansion falling sphere；Wherein, the flight attitude information
It include: the angular velocity information and acceleration information for expanding falling sphere flight；
Baroceptor, for measuring the air pressure inside of expansion falling sphere ball film；
Temperature sensor, for measuring the internal surface temperature of expansion falling sphere ball film；
Number transmission transmitter, location information and inertia measuring module measurement for measuring GNSS global positioning navigation module
Flight attitude information, and expansion falling sphere ball film air pressure inside and internal surface temperature be sent to ground telemetering equipment；
Power supply module works normally measuring unit for providing normal working voltage.
The present invention has the advantages that
The present invention can in-situ investigation near space 30-100km atmospheric environment parameter, detection altitude range it is wide, pass through inflation
Mechanism automatic inflating and built-in measuring unit can carry out high frequency time real-time measurement to expansion falling sphere movement, compare dependence
The passive type of primary event radar surveying expands falling sphere, and detection resolution is high, measurement accuracy is high.In addition, the present invention is due to adopting
With GNSS Tracking Through Telemetry and Instrumentation system, ground telemetering equipment is simple and reliable, maintenance cost is low, maneuverability is strong.
Detailed description of the invention
Fig. 1 is that a kind of structure of active expansion falling sphere near space atmospheric environment in-situ investigation of the invention is shown
It is intended to；
Fig. 2 is that a kind of active expansion falling sphere near space atmospheric environment in-situ investigation of the invention of Fig. 1 exists
By the structural schematic diagram after the completion of Separation and inflation；
Fig. 3 is a kind of active expansion falling sphere near space atmospheric environment in-situ investigation of the invention from by rocket
The overall process schematic diagram of delivery, separation, detection.
Appended drawing reference:
1, falling sphere packaging shell 2, expansion falling sphere ball film
3, inflation mechanism 4, measuring unit
Specific embodiment
Now in conjunction with attached drawing, the invention will be further described.
As shown in Figure 1, the present invention provides a kind of active expansions near space atmospheric environment in-situ investigation to fall
Ball comprising: falling sphere packaging shell 1, expansion falling sphere ball film 2, inflation mechanism 3 and measuring unit 4；It is nested to expand falling sphere ball film 2
In falling sphere packaging shell 1, setting inflation mechanism 3 and measuring unit 4 in expansion falling sphere ball film 2, and will expansion falling sphere ball film 2 into
Row sealing, carries out pumping folding to the expansion falling sphere ball film 2 of the sealing, is then nested in falling sphere packaging shell 1；In master
When dynamic formula expands falling sphere separation toss, folded expansion falling sphere ball film 2 is inflated by inflation mechanism 3, forms superpressure
Sphere, the expansion falling sphere ball film 2 after inflation struts falling sphere packaging shell 1, and is detached from it；Pass through built-in measuring unit 4
Carry out atmospheric environment in situ measurement.
One of as an improvement of the above technical solution, the falling sphere packaging shell 1 is hollow hard shell, and use is nonmetallic
Material is made.
One of as an improvement of the above technical solution, the falling sphere packaging shell 1 includes: the hollow hard shell of two semicircles
Body, for protecting the expansion falling sphere ball film 2 being wrapped in it；Described two hollow hard shells of semicircle are pacified by way of fastening
Dress, is formed in the interior thereof an independent space, inside it by folded expansion falling sphere ball film 2 package, convenient for that will fold
Expansion falling sphere ball film 2 afterwards is adapted to installation with rocket, and after falling sphere packaging shell 1 is firmly separated by rocket, since expansion is fallen
Ball ball film 2 becomes a rigid superpressure sphere by 3 inflation of inflation mechanism, natural that snap together two semicircles are hollow
Hard shell struts, and then falling sphere packaging shell 1 and the expansion falling sphere ball film 2 after expansion are detached from.
One of as an improvement of the above technical solution, the expansion falling sphere ball film 2 is a spherical folding film ball, is adopted
With lightweight, elasticity modulus is big, high and low temperature resistance is good, be easy to fold thin-film material be made.It is arranged in expansion falling sphere ball film 2
There are inflation mechanism 3 and measuring unit 4, and expansion falling sphere ball film 2 is sealed, becomes the film ball of a sealing, such as
Shown in Fig. 2, when separating toss, 3 pairs of expansion falling sphere ball films 2 of inflation mechanism are inflated, and superpressure sphere are formed, when the film ball
When interior air pressure is more than the air pressure of external environment, the volume of expansion falling sphere ball film 2 immobilizes, and does not become with the air pressure of external environment
Change and changes.
One of as an improvement of the above technical solution, the inflation mechanism 3 is inside full of volatile gas or easily gasification
The mechanical device of liquid；In 1 body of falling sphere pack case and Separation toss, pass through mechanics overload expansion falling sphere ball when separation
Inflation mechanism 3 in film 2 is activated and is inflated to expansion falling sphere ball film 2, and gas replenishment process is short, high-efficient.
One of as an improvement of the above technical solution, the measuring unit 4 includes:
GNSS global positioning navigation module measures the location information of expansion falling sphere for real-time in-situ；Wherein, the positioning
Information includes: to expand time of measuring, the metrical information, airspeed information of falling sphere.
Inertia measuring module, the flight attitude information for real-time measurement expansion falling sphere；Wherein, the flight attitude information
It include: the angular velocity information for expanding falling sphere flight, acceleration information；
Baroceptor, for measuring the air pressure inside of expansion falling sphere ball film 2；
Temperature sensor, for measuring the internal surface temperature of expansion falling sphere ball film 2；
Number transmission transmitter, location information and inertia measuring module measurement for measuring GNSS global positioning navigation module
Flight attitude information, and expansion falling sphere ball film 2 air pressure inside and internal surface temperature be sent to ground telemetering equipment；
Power supply module works normally measuring unit 4 for providing normal working voltage.
As shown in figure 3, inflation mechanism 3 and measuring unit 4 are placed in expansion falling sphere ball film 2, according to falling sphere packaging shell 1
Size carries out pumping folding to expansion falling sphere ball film 2, and places it in falling sphere packaging shell 1；By falling sphere packaging shell 1
It is installed to sounding rocket load cabin；It, will under the separating mechanism effect of sounding rocket after sounding rocket is emitted to specified altitude assignment
Falling sphere packaging shell 1 separates；During the separation process, it expands the inflation mechanism 3 built in falling sphere ball film 2 and gives expansion falling sphere ball film automatically
2 inflations, form it into superpressure rigid spheres, and the expansion falling sphere ball film 2 after inflation is hollow hard by snap together two semicircles
Mass shell body struts, and is detached from it；In 2 dropping process of expansion falling sphere ball film of measuring unit 4 after inflation, to expansion falling sphere into
Row measurement obtains the time of measuring of expansion falling sphere, measurement position, flying speed, acceleration, angular speed, expands falling sphere ball film 2
The metrical informations such as air pressure inside, the internal surface temperature for expanding falling sphere ball film 2, and descend into ground telemetering equipment；Ground telemetering is set
Standby to receive above-mentioned metrical information, which can be used for inverting near space atmospheric density, temperature, air pressure and wind field.
It should be noted last that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting.Although ginseng
It is described the invention in detail according to embodiment, those skilled in the art should understand that, to technical side of the invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Scope of the claims in.
Claims (6)
1. a kind of active expansion falling sphere near space atmospheric environment in-situ investigation, characterized in that it comprises: falling sphere
Packaging shell (1), expansion falling sphere ball film (2), inflation mechanism (3) and measuring unit (4)；
Setting inflation mechanism (3) and measuring unit (4) in the expansion falling sphere ball film (2), and expansion falling sphere ball film (2) is carried out
Sealing, carries out pumping folding to the expansion falling sphere ball film (2) of the sealing, is then nested in falling sphere packaging shell (1)；?
When active expansion falling sphere separation toss, folded expansion falling sphere ball film (2) is inflated by inflation mechanism (3), shape
At superpressure sphere, the expansion falling sphere ball film (2) after inflation struts falling sphere packaging shell (1), and is detached from it；By built-in
Measuring unit (4) carries out atmospheric environment in situ measurement.
2. the active expansion falling sphere according to claim 1 near space atmospheric environment in-situ investigation, feature
It is, the falling sphere packaging shell (1) is hollow hard shell, is made of nonmetallic materials.
3. the active expansion falling sphere according to claim 2 near space atmospheric environment in-situ investigation, feature
It is, the falling sphere packaging shell (1) includes two hollow hard shells of semicircle, and described two hollow hard shells of semicircle pass through
The mode of fastening is installed, and an independent space is formed in the interior thereof, and folded expansion falling sphere ball film (2) is wrapped in it
Portion.
4. the active expansion falling sphere according to claim 1 near space atmospheric environment in-situ investigation, feature
It is, the expansion falling sphere ball film (2) is a spherical folding film ball.
5. the active expansion falling sphere according to claim 1 near space atmospheric environment in-situ investigation, feature
It is, the inflation mechanism (3) is the internal mechanical device full of volatile gas or easy gasified liquid.
6. the active expansion falling sphere according to claim 1 near space atmospheric environment in-situ investigation, feature
It is, the measuring unit (4) includes:
GNSS global positioning navigation module measures the location information of expansion falling sphere for real-time in-situ；Wherein, the location information
It include: flight time, location information and the airspeed information for expanding falling sphere；
Inertia measuring module, the flight attitude information for real-time measurement expansion falling sphere；Wherein, the flight attitude packet
It includes: the angular velocity information and acceleration information of expansion falling sphere flight；
Baroceptor, for measuring the air pressure inside of expansion falling sphere ball film (2)；
Temperature sensor, for measuring the internal surface temperature of expansion falling sphere ball film (2)；With
Number transmission transmitter, what location information and inertia measuring module for measuring GNSS global positioning navigation module measured flies
Row posture information, and the air pressure inside and internal surface temperature of expansion falling sphere ball film (2) are sent to ground telemetering equipment；
Power supply module, for providing normal working voltage.
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Cited By (7)
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| CN111017263A (en) * | 2019-12-12 | 2020-04-17 | 中国科学院国家空间科学中心 | Spacecraft resistance-increasing and orbit-reducing device based on honeycomb unit structure |
| CN111874263A (en) * | 2020-07-20 | 2020-11-03 | 上海宇航***工程研究所 | In-situ detector for near-earth space atmospheric environment carried by launch vehicle |
| CN112345224A (en) * | 2020-11-03 | 2021-02-09 | 西安航天动力技术研究所 | Hard falling ball middle-low speed rotation and rotating speed measurement monitoring alarm system |
| WO2021099689A1 (en) * | 2019-11-20 | 2021-05-27 | Hurricane Unwinder Oy Ab | Aerological sonde |
| WO2021099688A1 (en) * | 2019-11-20 | 2021-05-27 | Hurricane Unwinder Oy Ab | Aerological sonde and method for measuring meteorological conditions |
| CN113501147A (en) * | 2021-06-08 | 2021-10-15 | 上海宇航***工程研究所 | Connecting and separating device for spherical detector |
| CN115979329A (en) * | 2022-05-19 | 2023-04-18 | 中国科学院国家空间科学中心 | Full-height expansion falling ball in-situ detection device and method for near space |
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| CN113501147A (en) * | 2021-06-08 | 2021-10-15 | 上海宇航***工程研究所 | Connecting and separating device for spherical detector |
| CN113501147B (en) * | 2021-06-08 | 2022-11-18 | 上海宇航***工程研究所 | Connecting and separating device for spherical detector |
| CN115979329A (en) * | 2022-05-19 | 2023-04-18 | 中国科学院国家空间科学中心 | Full-height expansion falling ball in-situ detection device and method for near space |
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