CN104076398A - Ocean current preventing device of sea seismograph - Google Patents
Ocean current preventing device of sea seismograph Download PDFInfo
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- CN104076398A CN104076398A CN201410193698.3A CN201410193698A CN104076398A CN 104076398 A CN104076398 A CN 104076398A CN 201410193698 A CN201410193698 A CN 201410193698A CN 104076398 A CN104076398 A CN 104076398A
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- coupling frame
- seismograph
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- ocean current
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- 230000008878 coupling Effects 0.000 claims abstract description 39
- 238000010168 coupling process Methods 0.000 claims abstract description 39
- 238000005859 coupling reaction Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000003116 impacting effect Effects 0.000 claims abstract description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000007667 floating Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
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Abstract
The invention provides an ocean current preventing device of a sea seismograph. The ocean current preventing device comprises floating balls, a frame and a sunken coupling frame, the floating balls are mounted on the top of the frame, the sunken coupling frame is mounted at the bottom of the frame, the frame prevents sea beaten and keeps the seismograph horizontal, and the sunken coupling frame is a frame body which provides sinking force for the seismograph and is hollow in bottom. Supporting rods used for supporting the sunken coupling frame in a connected mode are arranged at the two ends of the frame, and electrocorrosion releasing mechanisms used for releasing electrocorrosion of the sunken coupling frame are connected between the frame and the supporting rods; an instrument tank used for accommodating seaquake observing devices is arranged between the frame and the sunken coupling frame, the sunken coupling frame is connected with a cylinder which wraps the periphery of the side wall of the whole instrument tank, and the bottom of the cylinder is open to prevent ocean currents from impacting the instrument tank and the seaquake observing devices in the instrument tank. The instrument tank is sleeved with the cylinder, the upper portion of the cylinder and the bottom of the frame are attached to form a protection hood to cover the instrument tank under the sea, the influence of ocean currents under the sea on the instrument tank is reduced, and measuring precision of the seaquake observing devices in the instrument tank is improved.
Description
[technical field]
The present invention relates to oceanic earthquake observation technology field, relate in particular to a kind of anti-ocean current device of submarine seismograph.
[background technology]
Submarine seismograph (ocean bottom seismometer, OBS) and the Submarine seismic observation forming be the new and high technology that development in recent years is got up, at hydrocarbon exploration, scientific research, the aspect such as prevent and reduce natural disasters, having been widely used, is the developing new growing point of geophysical instrument and Detection Techniques.Submarine seismograph is a kind of seismic observation system that wave detector is directly placed on to seabed, in marine geophysical survey and research, both can be for the detection to artificial ocean seismic section, also can be for the observation to earthquake, the dynamic characteristic that it is surveyed and observed result can develop for the velocity structure of research oceanic crust and earth mantle and subduction zone, trench, trough, also can be for studying seismic tomography and seismicity and the earthquake prediction etc. of earthquake.
At present, submarine seismograph is all that seismological observation equipment is placed in the glass floating ball of deep-sea substantially, after ball float is fixed on heavy coupling frame, employing is directly thrown in from sea to the input mode in seabed and is freely landed, adopt marine directly casting submarine seismograph, submarine seismograph in launch process with moment of contact with sea water, as easy as rolling off a logly cause unexpected high vibration, likely directly submarine seismograph is caused damage; In addition, submarine seismograph drops to behind seabed, glass floating ball is directly rendered to seabed to be observed, due to the glass floating ball of seismological observation equipment being installed, in seabed, without any foreign object, adhere to fixing, glass floating ball will inevitably be subject to the impact of seabed ocean current and produce to rock, and directly causes the accuracy of accurate earthquake observation instruments measurement data.
[summary of the invention]
The invention provides a kind of simple in structurely, safe and reliable, effectively reduce ocean current and impact, improve the anti-ocean current device of the submarine seismograph of seismic instrument device measuring degree of accuracy.
In order to realize foregoing invention object, the technical solution used in the present invention is:
The anti-ocean current device of submarine seismograph, comprises buoyant spheres, framework and heavy coupling frame, and buoyant spheres is installed on frame roof, and heavy coupling frame is installed on the bottom of framework; Described framework prevents sea beat and keeps seismograph in horizontality, and described heavy coupling frame provides the support body of negative buoyancy and lower hollow for one to seismograph; Described framework two ends are provided with and connect the support bar that supports heavy coupling frame, are connected with for discharging the electrocorrosion releasing mechanism of heavy coupling frame between framework and support bar; Between described framework and heavy coupling frame, be provided with for taking up the instrument tank of Submarine seismic observation equipment; On heavy coupling frame, be connected with the whole instrument pot sidewall periphery of parcel and bottom-open and prevent that ocean current from impacting the cylinder of instrument tank and interior Submarine seismic observation equipment thereof.
Preferably, described heavy coupling frame is horizontally disposed with respect to framework bottom surface.
Preferably, described cylinder top is resisted against framework bottom surface.
Preferably, described frame roof is provided with four buoyant spheres, wherein in two buoyant spheres, supplying cell is housed, and the Submarine seismic observation equipment in described electrocorrosion releasing mechanism and instrument tank is communicated with the supplying cell in buoyant spheres by cable.
Preferably, described electrocorrosion releasing mechanism comprises a fuse and is fixed on the fuseboard on described framework, the two ends of fuseboard are respectively embedded a fuse pulling block, each fuse pulling block is provided with coiling stake, the central authorities of fuseboard are provided with positive and negative electrode, some coiling stakes, compressing tablet, and fuse is walked around each coiling stake on fuseboard and fuse pulling block through negative electrode, and the two ends of this fuse are compressed by compressing tablet, each fuse pulling block and fuseboard are fixed together, and each fuse pulling block is connected with described heavy coupling frame through support bar.
The invention has the beneficial effects as follows:
Between framework of the present invention and heavy coupling frame, be provided with separately for taking up the instrument tank of Submarine seismic observation equipment, instrument tank is connected in the bottom of framework, then be connected in together with framework on heavy coupling frame, and on heavy coupling frame, fix one and be enclosed within the periphery of instrument tank and the cylinder of bottom-open, by the top of cylinder and the bottom of framework, fit to form a protective cover, when whole submarine seismograph sinks to behind seabed, instrument tank falls with seabed and can well be coupled from protective cover after discharging, protective cover covers instrument tank in seabed simultaneously, reduce the impact of seabed ocean current on instrument tank and interior Submarine seismic observation equipment thereof, improve the measuring accuracy of Submarine seismic observation equipment in instrument tank.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present invention.
[embodiment]
The anti-ocean current device of submarine seismograph, as shown in Figure 1, comprises buoyant spheres 1, framework 2 and heavy coupling frame 3, and framework 2 tops are provided with four buoyant spheres 1, and heavy coupling frame 3 levels are installed on the bottom of framework 2; Described framework 2 prevents sea beat and keeps seismograph in horizontality, and described heavy coupling frame 3 provides the support body of negative buoyancy and lower hollow for one to seismograph; At framework 2 two ends, be provided with and connect the support bar 4 that supports heavy coupling frame 3, between framework 2 and support bar 4, be connected with for discharging the electrocorrosion releasing mechanism (not shown) of heavy coupling frame; Between framework 2 and heavy coupling frame 3, be provided with for taking up the instrument tank 5 of Submarine seismic observation equipment; On heavy coupling frame 3, be connected with whole instrument tank 4 side wall perimeter of parcel and bottom-open and prevent that ocean current from impacting the cylinder 6 of instrument tank 5 and interior Submarine seismic observation equipment thereof, the top of cylinder 6 is resisted against framework 2 bottom surfaces; Wherein in two buoyant spheres 1, supplying cell (not shown) is housed, the Submarine seismic observation equipment in described electrocorrosion releasing mechanism and instrument tank 5 is communicated with the supplying cell in buoyant spheres 1 by cable.
In this embodiment, electrocorrosion releasing mechanism comprises a fuse and is fixed on the fuseboard on described framework, the two ends of fuseboard are respectively embedded a fuse pulling block, each fuse pulling block is provided with coiling stake, the central authorities of fuseboard are provided with positive and negative electrode, some coiling stakes, compressing tablet, and fuse is walked around each coiling stake on fuseboard and fuse pulling block through negative electrode, and the two ends of this fuse are compressed by compressing tablet, each fuse pulling block and fuseboard are fixed together, and each fuse pulling block is connected with described heavy coupling frame through support bar.
During use, because cylinder 6 is enclosed within the periphery of instrument tank 5 and being fixed on heavy coupling frame 3 of bottom-open, like this, a protective cover is fitted to form in the bottom of the top of cylinder 6 and framework 2, when whole submarine seismograph sinks to behind seabed, after instrument tank 5 discharges, from protective cover, fall with seabed and can well be coupled, protective cover covers instrument tank 5 in seabed simultaneously, while making to measure, reduce the impact of seabed ocean current on instrument tank 5 and interior Submarine seismic observation equipment thereof, improve the measuring accuracy of instrument tank 5 interior Submarine seismic observation equipment; After measurement completes, submarine seismograph starts electrocorrosion releasing mechanism after receiving underwater sound release command, make heavy coupling frame 3 separated with framework 2, under 1 effect of two buoyant spheres, the instrument tank 5 that framework 2 and bottom thereof connect by cable will emersion sea, and send GPS or Big Dipper locating information by data radio station, then according to this information, determine the position of instrument and salvage instrument, then the observation data of extracting data acquisition unit record is analyzed and scientific research.
The above embodiment just, for preferred embodiment of the present invention, not limits practical range of the present invention with this, and the equivalence that all shapes according to the present invention, structure and principle are done changes, and all should be covered by protection scope of the present invention.
Claims (5)
1. the anti-ocean current device of submarine seismograph, comprises buoyant spheres, framework and heavy coupling frame, and buoyant spheres is installed on frame roof, and heavy coupling frame is installed on the bottom of framework; It is characterized in that:
Described framework prevents sea beat and keeps seismograph in horizontality, and described heavy coupling frame provides the support body of negative buoyancy and lower hollow for one to seismograph;
Described framework two ends are provided with and connect the support bar that supports heavy coupling frame, are connected with for discharging the electrocorrosion releasing mechanism of heavy coupling frame between framework and support bar;
Between described framework and heavy coupling frame, be provided with for taking up the instrument tank of Submarine seismic observation equipment;
On heavy coupling frame, be connected with the whole instrument pot sidewall periphery of parcel and bottom-open and prevent that ocean current from impacting the cylinder of instrument tank and interior Submarine seismic observation equipment thereof.
2. the anti-ocean current device of submarine seismograph according to claim 1, is characterized in that, described heavy coupling frame is horizontally disposed with respect to framework bottom surface.
3. the anti-ocean current device of submarine seismograph according to claim 1, is characterized in that, described cylinder top is resisted against framework bottom surface.
4. the anti-ocean current device of submarine seismograph according to claim 1, it is characterized in that, described frame roof is provided with four buoyant spheres, wherein in two buoyant spheres, supplying cell is housed, the Submarine seismic observation equipment in described electrocorrosion releasing mechanism and instrument tank is communicated with the supplying cell in buoyant spheres by cable.
5. according to the anti-ocean current device of the submarine seismograph described in claim 1 or 4, it is characterized in that, described electrocorrosion releasing mechanism comprises a fuse and is fixed on the fuseboard on described framework, the two ends of fuseboard are respectively embedded a fuse pulling block, each fuse pulling block is provided with coiling stake, the central authorities of fuseboard are provided with positive and negative electrode, some coiling stakes, compressing tablet, fuse is walked around each coiling stake on fuseboard and fuse pulling block through negative electrode, the two ends of this fuse are compressed by compressing tablet, each fuse pulling block and fuseboard are fixed together, each fuse pulling block is connected with described heavy coupling frame through support bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193698.3A CN104076398A (en) | 2014-05-08 | 2014-05-08 | Ocean current preventing device of sea seismograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410193698.3A CN104076398A (en) | 2014-05-08 | 2014-05-08 | Ocean current preventing device of sea seismograph |
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| CN104076398A true CN104076398A (en) | 2014-10-01 |
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| CN201410193698.3A Pending CN104076398A (en) | 2014-05-08 | 2014-05-08 | Ocean current preventing device of sea seismograph |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911581A (en) * | 2016-04-05 | 2016-08-31 | 中国科学院南海海洋研究所 | Subbottom observation platform, seabed relative geodesic device and system |
| CN108363105A (en) * | 2018-04-23 | 2018-08-03 | 中国地震局工程力学研究所 | A kind of submarine seismograph delivery device |
| CN108445542A (en) * | 2018-04-23 | 2018-08-24 | 中国地震局工程力学研究所 | A kind of submarine seismograph delivery device of direction-adjustable |
| CN108802823A (en) * | 2018-09-04 | 2018-11-13 | 南方科技大学 | Self-buried ocean bottom seismograph |
| CN110531432A (en) * | 2019-08-05 | 2019-12-03 | 珠海市泰德企业有限公司 | A kind of sea magetometer preventing magnetic interference |
| CN110531433A (en) * | 2019-08-05 | 2019-12-03 | 珠海市泰德企业有限公司 | A kind of sea magetometer convenient for testing and installing |
| CN114325834A (en) * | 2021-12-13 | 2022-04-12 | 自然资源部第二海洋研究所 | A release and recovery device and submarine seismograph |
Citations (4)
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| CN2653450Y (en) * | 2003-06-06 | 2004-11-03 | 中国海洋大学 | Sea bed observation platform |
| CN1896769A (en) * | 2006-05-17 | 2007-01-17 | 中国地质大学（北京） | Planar-wave electromagnetic-field detector and measurement at seabed |
| CN102288989A (en) * | 2011-05-17 | 2011-12-21 | 中国科学院地质与地球物理研究所 | Combined broadband ocean bottom seismograph with single compartment ball |
| CN103713326A (en) * | 2013-12-09 | 2014-04-09 | 国家深海基地管理中心 | Anti-trawl seabed base of ocean bottom seismograph |
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2014
- 2014-05-08 CN CN201410193698.3A patent/CN104076398A/en active Pending
Patent Citations (4)
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| CN2653450Y (en) * | 2003-06-06 | 2004-11-03 | 中国海洋大学 | Sea bed observation platform |
| CN1896769A (en) * | 2006-05-17 | 2007-01-17 | 中国地质大学（北京） | Planar-wave electromagnetic-field detector and measurement at seabed |
| CN102288989A (en) * | 2011-05-17 | 2011-12-21 | 中国科学院地质与地球物理研究所 | Combined broadband ocean bottom seismograph with single compartment ball |
| CN103713326A (en) * | 2013-12-09 | 2014-04-09 | 国家深海基地管理中心 | Anti-trawl seabed base of ocean bottom seismograph |
Non-Patent Citations (1)
| Title |
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| 张志刚 等: "海底地震仪水下投放装置的设计", 《海洋技术》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105911581A (en) * | 2016-04-05 | 2016-08-31 | 中国科学院南海海洋研究所 | Subbottom observation platform, seabed relative geodesic device and system |
| CN105911581B (en) * | 2016-04-05 | 2019-10-18 | 中国科学院南海海洋研究所 | A base observation platform, seabed relative geodetic device and system |
| CN108363105A (en) * | 2018-04-23 | 2018-08-03 | 中国地震局工程力学研究所 | A kind of submarine seismograph delivery device |
| CN108445542A (en) * | 2018-04-23 | 2018-08-24 | 中国地震局工程力学研究所 | A kind of submarine seismograph delivery device of direction-adjustable |
| CN108363105B (en) * | 2018-04-23 | 2024-03-15 | 中国地震局工程力学研究所 | Submarine seismograph throwing device |
| CN108802823A (en) * | 2018-09-04 | 2018-11-13 | 南方科技大学 | Self-buried ocean bottom seismograph |
| CN110531432A (en) * | 2019-08-05 | 2019-12-03 | 珠海市泰德企业有限公司 | A kind of sea magetometer preventing magnetic interference |
| CN110531433A (en) * | 2019-08-05 | 2019-12-03 | 珠海市泰德企业有限公司 | A kind of sea magetometer convenient for testing and installing |
| CN110531433B (en) * | 2019-08-05 | 2024-04-12 | 珠海市泰德企业有限公司 | Ocean magnetometer convenient to test and install |
| CN110531432B (en) * | 2019-08-05 | 2024-04-12 | 珠海市泰德企业有限公司 | Marine magnetometer for preventing magnetic interference |
| CN114325834A (en) * | 2021-12-13 | 2022-04-12 | 自然资源部第二海洋研究所 | A release and recovery device and submarine seismograph |
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