CN108253922A - The measuring device and its measuring method of underwater glider pressure hull compressive deformation - Google Patents
The measuring device and its measuring method of underwater glider pressure hull compressive deformation Download PDFInfo
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- CN108253922A CN108253922A CN201611244492.4A CN201611244492A CN108253922A CN 108253922 A CN108253922 A CN 108253922A CN 201611244492 A CN201611244492 A CN 201611244492A CN 108253922 A CN108253922 A CN 108253922A
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- pressure hull
- water container
- water
- pressure
- top end
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The present invention relates to a kind of measuring device and its measuring method of the compressive deformation of underwater glider pressure hull, measuring method is by measuring volume change of the pressure hull by its internal cavity during external pressure, and then obtains the compression deformation of pressure hull；Measuring device includes bottom head covers, pressure hull, top end cover, water inlet silk plug, plug-in one-way valve, water container, water container end cap and water container silk plug, the both ends of pressure hull are connected respectively with bottom head covers, top end cover, water container one end is threadedly coupled with top end cover, check valve is equipped in endoporus, and the other end is with water container end cap by being connected；It is pressurizeed by the measuring device to the present invention, measures the volume of water in water container after pressure release, you can obtain the compression deformation of pressure hull under the pressure.The measuring device of the present invention can quantitatively measure the compression deformation of underwater glider pressure hull at various pressures, simple and reliable for structure；Measuring method is easy to operate, and measurement result is accurate.
Description
Technical field
The invention belongs to underwater glider pressure hull field, specifically a kind of underwater glider pressure hull compression
The measuring device and its measuring method of deformation.
Background technology
Underwater glider is a kind of novel underwater monitoring instrument platform, and it is real to change natural buoyancy by buoyancy regulating system
It now floats and dive campaign, there is low energy consumption, big voyage.The increase of density of sea water in vertical direction can lead to pressure resistance
Housing buoyancy increases, and buoyancy can be caused to reduce since seawater pressure causes the compressive deformation of pressure hull, so as to influence water
The buoyant state of lower aerodone in the process of running, and then the buoyancy adjustment ability of whole system is influenced, it is allowed to accurately to control
The stroke motion of underwater glider processed.Therefore, the compressive deformation of pressure hull is accurately measured, to the optimization design of pressure hull
The control accuracy for being compensated with overall buoyancy and improving aerodone has great importance.
Invention content
In order to meet the accurate measurement request of underwater glider pressure hull, the purpose of the present invention is to provide a kind of underwater
The measuring device and its measuring method of aerodone pressure hull compressive deformation.
The purpose of the present invention is achieved through the following technical solutions：
The measuring device of the present invention includes bottom head covers, pressure hull, top end cover, water inlet silk plug, check valve, Rong Shui
Device, water container end cap and water container silk plug, the wherein both ends of pressure hull are sealedly connected with bottom head covers and top end cover respectively,
Water inlet is provided in the top end cover, the water inlet silk plug is threadedly coupled with inlet seal；One end and top of the water container
Portion end cap is threadedly coupled, and the water installed in guaranteed pressure hull in the end endoporus be only capable of unidirectionally flowing into it is unidirectional in water container
Valve, the other end of the water container are connected with water container end cap, and threaded hole, the water container silk plug are provided on the water container end cap
It is connect with the threaded hole；
Wherein：The water inlet is damping hole, i.e. the outside diameter of the water inlet is more than with connecting inside the pressure hull
Logical inside diameter；The inner wall of the top end cover is the conical surface, i.e., the axial cross section of the top end cover inner wall is in "eight" shape；Institute
It states between bottom head covers and top end cover through more pull rod connection positioning；
The measuring method of the measuring device of underwater glider pressure hull compressive deformation of the present invention is：
The pressure hull of underwater glider with the water container with check valve is connected, air is full of in the water container,
The pressure hull of underwater glider is full of clear water again；Then it pressurizes to the pressure hull, when the pneumatic shell
When body is by external pressure, chamber portions reduce, and the water in the pressure hull is flowed by the check valve in water container；The appearance
After hydrophone pressure release, by the volume for measuring water in the water container, you can obtain the compression deformation of pressure hull under the pressure；
The specific steps are：
The pressure hull, is connected by step A with bottom head covers first, and pressure hull is stood on ground, to described resistance to
Clear water is filled in pressure shell body；
The top end cover and pressure hull are connected by step B；
The water container with check valve is threadedly coupled, respectively in the top end cover by step C with top end cover
Water inlet and water container on lid on threaded hole connection pneumatic joint, by the water container cover on pneumatic joint to described
Pressure hull is vacuumized, is emptied the gas in pressure hull, and the pneumatic joint in the top end cover is passed through connection
Pipe is connected with clear water, supplements clear water for pressure hull；
Step D removes the pneumatic joint on the top end cover and water container end cap, is changed into respectively into water silk plug and Rong Shui
Device silk plug makes the pressure hull be in air-tight state, opens the water container end cap, removes what is overflowed in the water container
Water, and reinstall water container end cap；
Step E pressurizes to the pressure hull by suppressing equipment, after pressure release, by measuring in the water container
The volume of water can obtain pressure hull compression deformation under the pressure value；
Step F repeats step C~step E, measures the compression deformation of the pressure hull under different pressures effect；
In the step A, after pressure hull is connected with bottom head covers, pull rod is penetrated in the bottom head covers, and
The pull rod is fixed by nut in one end of pull rod；In the step B, top end cover pass through the pull rod the other end with it is resistance to
Pressure shell body connects, and the top end cover is strained and fixed by nut in the other end of pull rod；
When the pressure hull stands on ground, bottom is paved with material object, makes the pull rod hanging.
Advantages of the present invention is with good effect：
1. the measuring device of the present invention can quantitatively measure the compression of underwater glider pressure hull at various pressures
Deflection, it is simple and reliable for structure.
2. the measuring method of the present invention is easy to operate, measurement result is accurate.
Description of the drawings
Fig. 1 is the internal structure sectional view of measuring device of the present invention；
Fig. 2A is one of schematic diagram of measuring method process of the present invention；
Fig. 2 B are the two of the schematic diagram of measuring method process of the present invention；
Fig. 2 C are the three of the schematic diagram of measuring method process of the present invention；
Fig. 2 D are the four of the schematic diagram of measuring method process of the present invention；
Wherein：1 is bottom head covers, and 2 be pull rod, and 3 be pressure hull, and 4 be top end cover, and 5 be water inlet silk plug, and 6 be unidirectional
Valve, 7 be water container, and 8 be water container end cap, and 9 be water container silk plug, and 10 be water inlet, and 11 be pneumatic joint.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, the present invention measuring device include bottom head covers 1, pull rod 2, pressure hull 3, top end cover 4, into
Water silk plug 5, check valve 6, water container 7, water container end cap 8 and water container silk plug 9, wherein one end of pressure hull 3 and bottom end
Lid 1 is tightly connected, and the other end is tightly connected with top end cover 4, and by more (the present embodiment be four) pull rods 2 by bottom end
Lid 1 is positioned with top end cover 4 with being fixed.Top end cover 4 is provided with water inlet 10, and water inlet silk plug 5 passes through spiral shell with water inlet 10
Line connection sealing；Water inlet 10 has been designed to damping hole, i.e. the outside diameter of the water inlet 10 is more than with connecting inside pressure hull 3
Logical inside diameter avoids vacuum water inlet from being difficult to form vacuum soon very much.The inner wall of top end cover 4 is the conical surface, the i.e. top
The axial cross section of 4 inner wall of portion's end cap is in "eight" shape, with the discharge of convenient gas.
One end of water container 7 is threadedly coupled with top end cover 4, and be equipped in the end endoporus check valve 6 (the present embodiment
Check valve 6 is plug-in one-way valve), ensure that the water in pressure hull 3 is only capable of unidirectionally flowing into water container 7；Water container 7 it is another
End is fixedly linked with water container end cap 8 by screw, and threaded hole, water container silk plug 9 and threaded hole are provided on the water container end cap 8
Connection.
The measuring method of the measuring device of underwater glider pressure hull compressive deformation of the present invention is：
Assuming that intracavitary volume when pressure hull 3 is not pressurized is Vn0, external volume Vw0, under external pressure P effects, compression
Deformed 3 intracavitary volume of pressure hull is Vn1, external volume Vw1, then the solid volume Vs of pressure hull 3 be：
Vs=Vn0-Vw0 (1)
If ignore pressure hull 3 be pressurized after solid volume variation, can be approximately considered pressure hull 3 before compression with by
Solid volume after pressure is constant, i.e.,
Vn1-Vw1=Vn0-Vw0 (2)
It can be obtained by formula (2)：
DV=Vw0-Vw1=Vn0-Vn1 (3)
By formula (3) it can be seen that the intracavitary volume that the external volume variable quantity of 3 body of pneumatic shell is pressure hull 3 becomes
Change amount, therefore, 3 compression deformation of pressure hull under pressure P effects can be obtained by measuring intracavitary volume change.
The pressure hull 1 of underwater glider with the water container 7 with check valve 6 is connected, air is full of in water container 7,
The pressure hull of underwater glider 1 is full of clear water again；Then it pressurizes to pressure hull 3, when pressure hull 3 is by external pressure
When, chamber portions reduce, and the water in the pressure hull 3 is flowed by check valve 6 in water container 7；After 7 pressure release of water container,
By the volume for measuring water in the water container 7, you can obtain the compression deformation of pressure hull 3 under the pressure.The specific steps are：
Pressure hull 3 is connected by step A with bottom head covers 1 first, penetrates four pull rods 2 and in one end of pull rod 2
It is fixed by four nuts；Pressure hull 3 is stood on into ground, bottom is paved with material object, makes pull rod 2 hanging, to pneumatic shell
Clear water is filled in body 3, as shown in Figure 2 A.
The other end that top end cover 4 passes through four pull rods 2 is connected, and in pull rod 2 by step B with pressure hull 3
Top end cover 4 is strained and fixed by the other end by nut, as shown in Figure 2 B.
Water container 7 with check valve 6 is threadedly coupled by step C with top end cover 4, respectively in top end cover 4 into
Threaded hole connection pneumatic joint 11 on the mouth of a river 10 and water container upper cover 8, it is right by the pneumatic joint 11 in the water container upper cover 8
Pressure hull 3 is vacuumized (Opening pressure of selected check valve 6 is 0.05bar, and vacuum pump can inhale out it easily), is incited somebody to action
Gas in pressure hull 3 empties, and the pneumatic joint 11 in top end cover 4 by connecting tube with clear water is connected, is pneumatic shell
Body 3 supplements clear water；Top end cover 4 is provided with damping hole, it is ensured that during vacuum, the gas in pressure hull 3 can empty, and keep away
Exempt to generate large effect to test result, as shown in Figure 2 C.
Step D removes the pneumatic joint 11 on top end cover 4 and water container end cap 8, is changed into respectively into water silk plug 5 and held
Hydrophone silk plug 9 makes pressure hull 3 be in air-tight state, opens water container end cap 8, removes the water overflowed in water container 7, lays equal stress on
New installation water container end cap 8, as shown in Figure 2 D.
Step E pressurizes to pressure hull 3 by suppressing equipment, after pressure release, by the body for measuring water in water container 7
Product can obtain the compression deformation under the pressure value of pressure hull 3.
Step F repeats step C~step E, measures the compression deformation of the pressure hull 3 under different pressures effect.
Claims (8)
1. a kind of measuring device of underwater glider pressure hull compressive deformation, it is characterised in that：Including bottom head covers (1), resistance to
Pressure shell body (3), top end cover (4), water inlet silk plug (5), check valve (6), water container (7), water container end cap (8) and water container silk
Stifled (9), the both ends of wherein pressure hull (3) are sealedly connected with bottom head covers (1) and top end cover (4), the top end cover respectively
(4) water inlet (10) is provided on, the water inlet silk plug (5) is threadedly coupled with water inlet (10) sealing；The one of the water container (7)
End is threadedly coupled with top end cover (4), and the water installed in the end endoporus in guaranteed pressure hull (3) is only capable of unidirectionally flowing into and hold
Check valve (6) in hydrophone (7), the other end of the water container (7) are connected with water container end cap (8), the water container end cap (8)
On be provided with threaded hole, the water container silk plug (9) connect with the threaded hole.
2. the measuring device of underwater glider pressure hull compressive deformation according to claim 1, it is characterised in that：It is described into
The mouth of a river (10) is damping hole, i.e. the outside diameter of the water inlet (10) is more than the inside with being connected inside the pressure hull (3)
Diameter.
3. the measuring device of underwater glider pressure hull compressive deformation according to claim 1, it is characterised in that：The top
The inner wall of portion's end cap (4) is the conical surface, i.e., the axial cross section of top end cover (4) inner wall is in "eight" shape.
4. the measuring device of underwater glider pressure hull compressive deformation according to claim 1, it is characterised in that：The bottom
Between portion's end cap (1) and top end cover (4) positioning is connect by more pull rods (2).
5. a kind of measuring device of underwater glider pressure hull compressive deformation described in Claims 1-4 any claim
Measuring method, it is characterised in that：The pressure hull (1) of underwater glider is connected with the water container (7) with check valve (6),
Full of air in the water container (7), then by the pressure hull (1) of underwater glider full of clear water；Then to described resistance to
Pressure shell body (3) pressurizes, and when the pressure hull (3) is by external pressure, chamber portions reduce, in the pressure hull (3)
Water pass through the check valve (6) and flow into water container (7)；After water container (7) pressure release, by measuring the water container (7)
The volume of middle water, you can obtain the compression deformation of pressure hull (3) under the pressure.
6. measuring method according to claim 5, it is characterised in that：The specific steps are：
The pressure hull (3), is connected by step A with bottom head covers (1) first, pressure hull (3) is stood on ground, to institute
It states in pressure hull (3) and fills clear water；
The top end cover (4) and pressure hull (3) are connected by step B；
The water container (7) for carrying check valve (6) is threadedly coupled, respectively at the top by step C with top end cover (4)
Threaded hole connection pneumatic joint (11) on water inlet (10) and water container upper cover (8) on end cap (4), by the water container
Pneumatic joint (11) on lid (8) vacuumizes the pressure hull (3), is emptied the gas in pressure hull (3), will
Pneumatic joint (11) on the top end cover (4) is connected with clear water by connecting tube, supplements clear water for pressure hull (3)；
Step D removes the pneumatic joint (11) on the top end cover (4) and water container end cap (8), is changed into respectively into water silk plug
(5) and water container silk plug (9) pressure hull (3), is made to open the water container end cap (8) in air-tight state, remove institute
The water overflowed in water container (7) is stated, and reinstalls water container end cap (8)；
Step E pressurizes to the pressure hull (3) by suppressing equipment, after pressure release, by measuring the water container (7)
The volume of middle water can obtain pressure hull (3) compression deformation under the pressure value；
Step F repeats step C~step E, measures the compression deformation of the pressure hull (3) under different pressures effect.
7. measuring method according to claim 6, it is characterised in that：In the step A, by pressure hull (3) and bottom
After portion's end cap (1) is connected, pull rod (2) is penetrated in the bottom head covers (1), and pass through described in nut general in one end of pull rod (2)
Pull rod (2) is fixed；In the step B, the other end of top end cover (4) across the pull rod (2) is connect with pressure hull (3),
And the top end cover (4) is strained and fixed by nut in the other end of pull rod (2).
8. measuring method according to claim 7, it is characterised in that：When the pressure hull (3) stands on ground, bottom
It is paved with material object, makes the pull rod (2) hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244492.4A CN108253922B (en) | 2016-12-29 | 2016-12-29 | Device and method for measuring compression deformation of pressure shell of underwater glider |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244492.4A CN108253922B (en) | 2016-12-29 | 2016-12-29 | Device and method for measuring compression deformation of pressure shell of underwater glider |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108253922A true CN108253922A (en) | 2018-07-06 |
| CN108253922B CN108253922B (en) | 2023-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611244492.4A Active CN108253922B (en) | 2016-12-29 | 2016-12-29 | Device and method for measuring compression deformation of pressure shell of underwater glider |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024932A (en) * | 2019-12-24 | 2020-04-17 | 中国船舶工业系统工程研究院 | Device and method for measuring underwater volume compressibility of rubber material |
| CN114608961A (en) * | 2022-03-22 | 2022-06-10 | 天津大学 | Underwater large-depth compression deformation measuring device and method for object and equipment |
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| US20110098947A1 (en) * | 2009-10-22 | 2011-04-28 | Fattah Eric Abdel | Underwater depth measurement device |
| CN104359392A (en) * | 2014-11-10 | 2015-02-18 | 中国船舶重工集团公司第七○二研究所 | Pull rod type underwater structure deformation measuring device |
| CN206291889U (en) * | 2016-12-29 | 2017-06-30 | 中国科学院沈阳自动化研究所 | The measurement apparatus of underwater glider pressure hull compression |
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2016
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110098947A1 (en) * | 2009-10-22 | 2011-04-28 | Fattah Eric Abdel | Underwater depth measurement device |
| CN104359392A (en) * | 2014-11-10 | 2015-02-18 | 中国船舶重工集团公司第七○二研究所 | Pull rod type underwater structure deformation measuring device |
| CN206291889U (en) * | 2016-12-29 | 2017-06-30 | 中国科学院沈阳自动化研究所 | The measurement apparatus of underwater glider pressure hull compression |
Non-Patent Citations (2)
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| 戴美玲;徐向阳;杨福俊;何小元;: "薄壁球壳受刚性平面压缩的连续变形测量" * |
| 李延富;俞建成;封锡盛;: "深水滑翔机器人耐压壳体结构优化设计" * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024932A (en) * | 2019-12-24 | 2020-04-17 | 中国船舶工业系统工程研究院 | Device and method for measuring underwater volume compressibility of rubber material |
| CN111024932B (en) * | 2019-12-24 | 2022-05-20 | 中国船舶工业系统工程研究院 | Device and method for measuring underwater volume compression ratio of rubber material |
| CN114608961A (en) * | 2022-03-22 | 2022-06-10 | 天津大学 | Underwater large-depth compression deformation measuring device and method for object and equipment |
| CN114608961B (en) * | 2022-03-22 | 2024-09-17 | 天津大学 | Device and method for measuring underwater large-depth compression deformation of object and equipment |
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| CN108253922B (en) | 2023-04-11 |
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