CN106247966A - A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof - Google Patents
A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof Download PDFInfo
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- CN106247966A CN106247966A CN201610631530.5A CN201610631530A CN106247966A CN 106247966 A CN106247966 A CN 106247966A CN 201610631530 A CN201610631530 A CN 201610631530A CN 106247966 A CN106247966 A CN 106247966A
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- Prior art keywords
- strain
- applicable
- housing
- gauge means
- strain gauge
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of strain gauge means being applicable to maritime environment, including the strain transducer being arranged on stinger, the outside of described strain transducer is provided with the watertight protecting crust being tightly connected with described stinger, the lateral wall of described watertight protecting crust is provided with deep water air plug, the side of described deep water air plug is connected with described strain transducer, and opposite side is connected with anti-sea water cable;The invention also discloses a kind of strain measurement system being applicable to maritime environment, including rosette, signal acquiring system, the first optic fiber converter, the second optic fiber converter, industrial computer, and above-mentioned strain gauge means.The present invention, on the basis of taking into full account operation on the sea bad environments, has considered the requirement of shelter of strain transducer, devises special preventer, meets marine long-term operation and uses.
Description
Technical field
The present invention relates to strain measurement, survey particularly to a kind of strain gauge means being applicable to maritime environment and strain thereof
Amount system.
Background technology
The monitoring in real time of offshore structures has particularly important meaning for the safety ensureing works.Currently mainly
Method is to use strain acquirement to measure equipment to measure in real time.Pole is had been obtained in such as the land-based structure such as bridge, dam
For being widely applied.But the application of the test on works at sea is then greatly limited.It main reason is that: marine
Environmental condition is extremely severe, as structure be kept in motion, sea water has stronger corrosivity, the temperature difference is big, and strain measurement
Device is for using environmental requirement the highest, and therefore conventional scheme is difficult to meet.
Current existing strain gauge means the most not can reach the requirement of engineering waterproofing.Can even if some product is known as
In case sea water, but its water-proofing time maximum only 200 hours.And the operation measurement cycle of offshore structures is generally some months,
Therefore use requirement cannot be met.
Summary of the invention
It is an object of the invention to overcome deficiency of the prior art, it is provided that one is applicable to maritime environment, meet sea long
The strain gauge means of phase operation use and strain measurement system thereof.
The present invention is achieved by the following technical solutions.
A kind of strain gauge means being applicable to maritime environment, including the strain transducer being arranged on stinger, described
The outside of strain transducer is provided with the watertight protecting crust being tightly connected with described stinger, the lateral wall of described watertight protecting crust
Being provided with deep water air plug, described deep water air plug side is connected with described strain transducer, and opposite side is connected with anti-sea water cable
Connect.
Described watertight protecting crust includes that five-way shell, the bottom of described housing are welded and fixed with described stinger, described shell
The end face of body arranges the encapsulating mouth of filling gel in oriented described housing.
Described watertight protecting crust includes four sides housing, and is arranged on the cover plate of housing end face, and the top of described housing is arranged
Having outside flanging, described cover plate is connected the fixing company realizing described cover plate and described housing by bolt with described flanging
Connect, between described cover plate and described housing, be provided with pad;The bottom of described housing is provided with outside semicircle pressing plate;Described
It is equipped with in pressing plate for connecting described housing and the stud of described stinger, is provided with between described housing and described stinger
Pad.
Described watertight protecting crust is processed by steel.
Described pad is made up of rubber.
A kind of strain measurement system being applicable to maritime environment, including rosette, signal acquiring system, the first optical fiber conversion
Device, the second optic fiber converter, and industrial computer, described strain measurement system also includes the above-mentioned strain measurement being applicable to maritime environment
Device;It is connected by described anti-sea water cable between described strain gauge means with described rosette, described rosette and institute
State and be connected by holding wire between signal acquiring system, logical between described signal acquiring system and described first optic fiber converter
Cross netting twine to be connected, be connected by optical fiber between described first optic fiber converter and described second optic fiber converter, described
It is connected by netting twine between two optic fiber converters and described industrial computer.
Described rosette, described signal acquiring system and described first optic fiber converter are arranged in water proof and dust proof cabinet,
Described water proof and dust proof cabinet is provided with the water cooling plant for heat radiation.
The invention has the beneficial effects as follows: strain gauge means of the present invention and strain measurement system thereof, at sea structure is real-time
Belong to first in monitoring, on the basis of taking into full account operation on the sea bad environments, considered the protection of strain transducer
Requirement, devises special preventer, meet the waterproof requirement of marine long-term operation strain transducer, it is to avoid due to should
Become the inconvenience that sensor water-proof inefficacy is caused.
Accompanying drawing explanation
Fig. 1: strain gauge means embodiment one structural representation of the present invention;
Fig. 2: strain gauge means embodiment two watertight protecting crust structural representation of the present invention;
Fig. 3: the cross section structure schematic diagram of strain gauge means embodiment two watertight protecting crust of the present invention;
Fig. 4: strain measurement system structural representation of the present invention.
Accompanying drawing marks: 1, strain gauge means;2, anti-sea water cable;3, rosette;4, holding wire;5, signals collecting system
System;6, water proof and dust proof cabinet;7, water cooling plant;8, netting twine;9, the first optic fiber converter;10, optical fiber;11, the second optical fiber conversion
Device;12, netting twine;13, industrial computer;14, stinger;15, strain transducer;16, deep water air plug;17, housing;18, encapsulating mouth;
19;Housing;20, cover plate;21, bolt;22, pad;23, pressing plate;24, stud;25, pad.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to Fig. 3, a kind of strain gauge means 1 being applicable to maritime environment, including being arranged on stinger 14
On strain transducer 15, the outside of described strain transducer 15 be provided be tightly connected with described stinger 14 watertight protection
Shell, the lateral wall of described watertight protecting crust is provided with deep water air plug 16, described deep water air plug 16 side and described strain transducer
15 are connected, and opposite side is connected with anti-sea water cable 2, in order to connect described strain transducer 15 and anti-sea water cable 2, it is achieved
Quickly connect.
In the present invention, described watertight protecting crust uses high-grade stainless steel to process, and has two kinds of structures:
Embodiment one, as it is shown in figure 1, described watertight protecting crust includes five-way shell 17, the bottom of described housing 17 and institute
State stinger 14 to be welded and fixed, last layer silica gel should be repasted at weld during welding, for anti-seawater corrosion;Described housing 17
End face is provided with encapsulating mouth 18, by described encapsulating mouth 18, irrigates anti-sea water silica gel close to reach secondary in described housing 17
Seal and protect the effect of described strain transducer 15.
The installation method of the strain gauge means 1 according to embodiment one is as follows:
1) when stinger 14 is carried out strain measurement, the weldering of strain transducer 15 in the welding of stinger 14 select location
Connect block, the most directly strain transducer 15 is arranged on welding block;
2) output line of strain transducer 15 is connected to deep water air plug 16 (such as, ZS20-4TK/ZJ moldeed depth water boat
Insert) socket on;
3) housing 17 is directly welded on stinger 14, after waiting weld cooling, first carefully drips several at solder joint edge
Binding agent, binding agent will penetrate into solder joint periphery space, be coated with the water-proof silica-gel of one layer of protection the most again in weld zone, prevent welding
Place, by seawater corrosion, fills silica gel by encapsulating mouth 18 the most again in protecting crust.After glue curing, then encapsulating mouth plug of screwing on,
Also to weld after the encapsulating mouth plug screwed on, welding cooling after, at solder joint edge too drip several binding agents, the most again
It is coated with the water-proof silica-gel of one layer of protection in weld zone, prevents weld by seawater corrosion.
Embodiment two, as shown in Figures 2 and 3, described watertight protecting crust includes four sides housing 19, and is arranged on housing 19 and pushes up
The cover plate 20 in face, the top of described housing 19 is provided with outside flanging, and described cover plate 20 is by bolt 21 with described flanging even
Connect to realize the fixing connection of described cover plate 20 and described housing 19, between described cover plate 20 and described housing 19, be provided with rubber
Pad 22;The bottom of described housing 19 is provided with outside semicircle pressing plate 23;It is equipped with for connecting in described pressing plate 23
State the stud 24 of housing 19 and described stinger 14, between described housing 19 and described stinger 14, be provided with rubber sheet gasket 25.
As shown in Figure 4, a kind of strain measurement system being applicable to maritime environment, including described strain gauge means 1, with
And rosette 3, signal acquiring system 5, the first optic fiber converter 9, the second optic fiber converter 11, and industrial computer 13;Described strain
It is connected by described anti-sea water cable 2 between measurement apparatus 1 with described rosette 3, during use, can be according to physical length demand
Select multistage anti-sea water cable 2, be connected with each other to meet practical operation need by deep water air plug 16 between every section of anti-sea water cable 2
Ask;It is connected by holding wire 4 between described rosette 3 with described signal acquiring system 5, described signal acquiring system 5 and institute
State and be connected by netting twine 8 between the first optic fiber converter 9, described first optic fiber converter 9 and described second optic fiber converter
It is connected by optical fiber 10 between 11, is connected by netting twine 12 between described second optic fiber converter 11 and described industrial computer 13
Connect.
Wherein, described rosette 3, described signal acquiring system 5 and described first optic fiber converter 9 are arranged on water proof and dust proof
In cabinet 6, described water proof and dust proof cabinet 6 is provided with the water cooling plant 7 for heat radiation.
Additionally, be provided with monitoring management and alarm device in described industrial computer 13, carry out calculating according to the data gathered and divide
Analysis, and the functions such as data storage, playback, early warning can be carried out according to concrete monitoring requirement.
Claims (7)
1. it is applicable to a strain gauge means for maritime environment, including the strain transducer being arranged on stinger, its feature
Being, the outside of described strain transducer is provided with the watertight protecting crust being tightly connected with described stinger, and described watertight protects
The lateral wall of shell is provided with deep water air plug, and the side of described deep water air plug is connected with described strain transducer, and opposite side is with anti-
Sea water cable is connected.
The strain gauge means being applicable to maritime environment the most according to claim 1, it is characterised in that described watertight protects
Shell includes that five-way shell, the bottom of described housing are welded and fixed with described stinger, and the end face of described housing arranges oriented described
The encapsulating mouth of filling gel in housing.
The strain gauge means being applicable to maritime environment the most according to claim 1, it is characterised in that described watertight protects
Shell includes four sides housing, and is arranged on the cover plate of housing end face, and the top of described housing is provided with outside flanging, described cover plate
Be connected with described flanging by bolt the fixing connection realizing described cover plate and described housing, described cover plate and described housing it
Between be provided with pad;The bottom of described housing is provided with outside semicircle pressing plate, is equipped with for connecting in described pressing plate
State housing and the stud of described stinger, between described housing and described stinger, be provided with pad.
4. according to the strain gauge means being applicable to maritime environment described in claims 1 to 3 any one, it is characterised in that
Described watertight protecting crust is processed by steel.
The strain gauge means being applicable to maritime environment the most according to claim 3, it is characterised in that described pad is by rubber
Glue is made.
6. it is applicable to a strain measurement system for maritime environment, including rosette, signal acquiring system, the first optical fiber conversion
Device, the second optic fiber converter, and industrial computer, it is characterised in that described strain measurement system also includes according to claim 1 to 5
According to any one of the strain gauge means being applicable to maritime environment;Lead between described strain gauge means and described rosette
Cross described anti-sea water cable to be connected, be connected by holding wire between described rosette with described signal acquiring system, described
It is connected by netting twine between signal acquiring system with described first optic fiber converter, described first optic fiber converter and described
It is connected by optical fiber between two optic fiber converters, is connected by netting twine between described second optic fiber converter and described industrial computer
Connect.
The strain measurement system being applicable to maritime environment the most according to claim 6, it is characterised in that described rosette,
Described signal acquiring system and described first optic fiber converter are arranged in water proof and dust proof cabinet, and described water proof and dust proof cabinet is arranged
There is the water cooling plant for heat radiation.
Priority Applications (1)
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CN201610631530.5A CN106247966A (en) | 2016-08-02 | 2016-08-02 | A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof |
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CN201610631530.5A CN106247966A (en) | 2016-08-02 | 2016-08-02 | A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof |
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CN201610631530.5A Pending CN106247966A (en) | 2016-08-02 | 2016-08-02 | A kind of strain gauge means being applicable to maritime environment and strain measurement system thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110864641A (en) * | 2019-11-19 | 2020-03-06 | 天津大学 | Protection device of fiber grating strain sensor in splash zone of ocean platform |
CN113727552A (en) * | 2021-08-13 | 2021-11-30 | 南京开关厂有限公司 | Anti-condensation control device |
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CN2906610Y (en) * | 2006-04-17 | 2007-05-30 | 刘俊松 | Waterproof gas permeable gas sensor device |
CN203011415U (en) * | 2013-01-25 | 2013-06-19 | 中山大学 | Monitoring device suitable for using underground or under water |
CN104330046A (en) * | 2014-11-13 | 2015-02-04 | 中国船舶重工集团公司第七0四研究所 | Fiber bragg grating torque sensor structure applicable to underwater environment |
CN204287227U (en) * | 2014-12-09 | 2015-04-22 | 天津简仪科技有限公司 | A kind of optical fiber acceleration transducer structure for Structure stress monitoring |
CN105222936A (en) * | 2015-11-02 | 2016-01-06 | 天津师范大学 | For long based stress sensor and the using method of Ship Structure |
CN205156886U (en) * | 2015-07-29 | 2016-04-13 | 北京市燃气集团有限责任公司 | Surface acoustic wave strain sensor safety cover |
CN205861004U (en) * | 2016-08-02 | 2017-01-04 | 海洋石油工程股份有限公司 | A kind of strain gauge means being applicable to maritime environment |
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2016
- 2016-08-02 CN CN201610631530.5A patent/CN106247966A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2906610Y (en) * | 2006-04-17 | 2007-05-30 | 刘俊松 | Waterproof gas permeable gas sensor device |
CN203011415U (en) * | 2013-01-25 | 2013-06-19 | 中山大学 | Monitoring device suitable for using underground or under water |
CN104330046A (en) * | 2014-11-13 | 2015-02-04 | 中国船舶重工集团公司第七0四研究所 | Fiber bragg grating torque sensor structure applicable to underwater environment |
CN204287227U (en) * | 2014-12-09 | 2015-04-22 | 天津简仪科技有限公司 | A kind of optical fiber acceleration transducer structure for Structure stress monitoring |
CN205156886U (en) * | 2015-07-29 | 2016-04-13 | 北京市燃气集团有限责任公司 | Surface acoustic wave strain sensor safety cover |
CN105222936A (en) * | 2015-11-02 | 2016-01-06 | 天津师范大学 | For long based stress sensor and the using method of Ship Structure |
CN205861004U (en) * | 2016-08-02 | 2017-01-04 | 海洋石油工程股份有限公司 | A kind of strain gauge means being applicable to maritime environment |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110864641A (en) * | 2019-11-19 | 2020-03-06 | 天津大学 | Protection device of fiber grating strain sensor in splash zone of ocean platform |
CN113727552A (en) * | 2021-08-13 | 2021-11-30 | 南京开关厂有限公司 | Anti-condensation control device |
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