CN100339723C - High-frequency seabed digital seismograph - Google Patents
High-frequency seabed digital seismograph Download PDFInfo
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- CN100339723C CN100339723C CNB2004101018687A CN200410101868A CN100339723C CN 100339723 C CN100339723 C CN 100339723C CN B2004101018687 A CNB2004101018687 A CN B2004101018687A CN 200410101868 A CN200410101868 A CN 200410101868A CN 100339723 C CN100339723 C CN 100339723C
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Abstract
The present invention relates to a high-frequency seabed digital seismograph, particularly to the technical field of seismic survey. The seismograph is composed of a recovery system and a high strength coupling frame, wherein the recovery system is composed of a flash lamp, an underwater acoustic transducer, a hasp protective shield, a buoyancy ring and a working chamber; a digital collector, a three-dimensional attitude control detector, distance measurement releasing circuits, a beacon device, an antenna of the beacon device, a GPS antenna, an electronic compass and an integrated power supply are arranged inside the working chamber; the high strength coupling frame is composed of a bottom plate and a supporting frame; the working chamber of the recovery system adopts a single ball integrative structure; the recovery system and the high strength coupling frame are fixedly connected by an electric erosion steel joint unhook mechanism of which the upper end is fixedly connected to the upper part of the recovery system, and the lower end is fixedly connected with the high strength coupling frame through a tightly fixing mechanism which makes the recovery system fixedly positioned inside the high strength coupling frame. The seismograph of the present invention provides a friend man-machine interacting interface and makes many times continuous offshore operation realized. The present invention has the advantages of simple field detection, small volume, light weight and micro power consumption.
Description
Technical field
High-frequency seabed digital seismograph of the present invention relates to the seismic surveying technical field.
Background technology
As everyone knows, because needs of economic development, huge fund development submarine seismograph is thrown by developed country in the world.In the sixties, states such as Japan and the United States, Soviet Union develop the analog record submarine seismograph in succession, and its structure adopts buoy mooring formula or subsea cable formula more; To the seventies, the U.S. takes the lead in having released analog magnetic recording self-floating submarine seismograph.But, because big, the shortcomings such as dynamic range is little, data processing difficulty of analog recorder power consumption have limited its development, thereby have been eliminated gradually.To the eighties, because development of computer, the U.S. develops the event-triggered submarine seismograph of low-power consumption microprocessor control, adopts the boxlike digital tape recording, belt speed 0.1mm/s, record data capacity 2MB.But facts have proved, adopt the Event triggered mode to write down earthquake,, lose geological data easily in the big place of seabed jamming pattern.There is not this instrument to sell on the international market at present yet.In the nineties, the U.S. invests 9,000,000 dollars, big dynamic, the broadband seabed digital seismograph of development, but also do not have approved product to sell on the international market till now, have only indivedual researchs to sell all single branches, but forbidden to export to China to seabed digital seismograph.
China the eighties not, successively develop and be used for shallow sea (200m) and deep-sea (2000m) single branch to the digital tape recording submarine seismograph, adopt regularly magnetic tape cassette equipment record seismic method, so can only be used for record vertically to the artificial earthquake data, be not suitable for writing down the earthquake in seabed, therefore, can not satisfy the requirement of country far away to ocean development.Beginning in 1996, under the subsidy of national 863 Program, begin to develop three-component digital submarine seismograph.Succeeded in developing broadband, big dynamic three-component digital seismograph by 2000, but therefore, shortcoming such as volume big, front end restricted big because of power consumption, applied and had any problem.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of high-frequency seabed digital seismograph is provided, can three-component acquiring seismic data, the digital recording submarine earthquake, on-the-spot detection and observation are very easy, and power consumption is extremely low, and at sea continuous several times is carried out the seismological observation operation.
For achieving the above object, technical solution of the present invention provides a kind of high-frequency seabed digital seismograph, form by recovery system and coupling shelf, recovery system is made up of flashlamp, underwater acoustic transducer, hook protective cover, buoyancy ring and work chamber, and digital collection device, three-component appearance control wave detector, range finding release circuit, Radio Beacon, Radio Beacon antenna, gps antenna, electronic compass and integrated drive generator are housed in the work chamber; Coupling shelf is made up of base plate and support; Wherein:
The work chamber of recovery system adopts single ball integral structure, recovery system and coupling shelf are connected by galvanic corrosion steel connection uncoupling rigging, galvanic corrosion steel connection uncoupling rigging upper end is fixed in recovery system top, and the lower end is fixed in coupling shelf by tightening up mechanism, and recovery system is securely in place in the coupling shelf;
The work chamber of recovery system, form by glass cabin, reinforcement cover, buoyancy ring and ring, spherical glass cabin episphere outside surface covers, is connected for strengthening cover, strengthen the cover upper end one annular protrusion is arranged, turn up in the limit, lower end, the flanging lower surface is affixed with the ring upper surface by buoyancy ring, and ring is fixed in spherical glass out of my cabin in the surface level on the separated time;
Strengthen being installed with underwater acoustic transducer in the groove of cover upper end annular protrusion, the annular protrusion upper limb is connected with the hook protective cover, and the outside is provided with flashlamp;
Top, glass cabin is equipped with ten line data seats, for providing friendly human-computer interaction interface before throwing in and after reclaiming, has simplified on-the-spot detection and observation;
In the glass cabin spheroid of work chamber, rigidity is equipped with digital collection device, three-component appearance control wave detector, range finding release circuit, Radio Beacon, Radio Beacon antenna, gps antenna, electronic compass and integrated drive generator; Wherein, three-component attitude wave detector is installed in the bottom of work chamber, is the digital collection device on its top, on their the right integrated drive generator has been installed, and function is an acquiring seismic data; Electronic compass is installed in the top of work chamber, and it can measure the position angle of seismic signal;
Radio Beacon is installed in digital collection device upper right side, and Radio Beacon antenna and gps antenna are installed in the upper right side in glass cabin, and function is initialization system time and release position coordinate before throwing in; Receive instrument coordinate information and register system clock correction during recovery;
Range finding release circuit is installed in the top in the glass cabin, and underwater acoustic transducer is installed in top out of my cabin;
The digital collection device, form by circuit such as interactive interface, multi-way switch, serial ports a, serial ports b, switch, electronic signature under water, A/D modular converter, memory modules, 32 single-chip microcomputers, Time Service, release circuit, PC module, massage storage, power managements, wherein, multi-way switch, serial ports a, serial ports b, switch, electronic signature, A/D modular converter, memory modules, Time Service, release circuit, PC module, massage storage and power management are electrically connected with single-chip microcomputer respectively under water, and multi-way switch also is electrically connected with serial ports b;
The digital collection device is electrically connected with electronic compass, GPS receiver and Radio Beacon respectively by multi-way switch;
Coupling shelf is on horizonal base plate, is provided with annular support, and horizonal base plate is a porous plate, and the work chamber external diameter of annular support internal diameter and recovery system is suitable;
One cover galvanic corrosion steel connection uncoupling rigging is positioned at and strengthens the take back front and rear part of a side, cover top; Every cover discharges anodal the composition by two rope slings, a stainless steel silk braid, trip lever, a galvanic corrosion negative pole and; Two rope slings are placed in an end of trip lever, one rope sling upper end is fixed in strengthens cover top, its other release signal seat that is provided with, another rope sling lower end is fixed on the annular support of coupling shelf by tightening up mechanism, the other end of lever is with the stainless steel silk braid, the stainless steel silk braid links to each other with release is anodal, and the galvanic corrosion negative pole is located at and is discharged anodal below.
Described high-frequency seabed digital seismograph, its described mechanism that tightens up is for steel connects bolt.
Described high-frequency seabed digital seismograph, its limit, described reinforcement cover lower end turn up lower surface by buoyancy ring with the ring upper surface affixed, be affixed with bolt nut.
Described high-frequency seabed digital seismograph, make with two and half glass cabins in its described glass cabin, seals with sealed strip in the middle of it.
Described high-frequency seabed digital seismograph, its described coupling shelf has been installed weight equalizer on it, be used for the attitude adjustment of jettison system.
Described high-frequency seabed digital seismograph, its described galvanic corrosion steel connection uncoupling rigging, under the conventional state, galvanic corrosion steel connection uncoupling rigging is in dynamic balance, when the needs collection apparatus, release order with the sonar system transmission, when underwater acoustic transducer receive release order after, the release positive pole below release signal seat and it is given the energising of the stainless steel silk braid on positive pole, form the loop by seawater and the galvanic corrosion negative pole below it, the stainless steel silk braid is produced corrosion, and the lever out of trim as long as two corrosion in just thinking are had no progeny is by the buoyancy of recovery system, recovery system and coupling shelf are broken away from, and emerge.
Described high-frequency seabed digital seismograph, its can be in≤6000 meters depth of waters and 2～100Hz working band and 120dB dynamic range safe and reliable steady operation, total power consumption≤0.31 watt, at sea continuous several times is carried out the seismological observation operation.
High-frequency seabed digital seismograph of the present invention provides friendly human-machine interface, has simplified on-the-spot detection, and little, in light weight, the little power consumption of volume has realized repeatedly offshore operation continuously.
Description of drawings
Fig. 1 high-frequency seabed digital seismograph structural representation of the present invention;
The structured flowchart of Fig. 2 high-frequency seabed digital seismograph digital collection of the present invention device electronic system.
Embodiment
High-frequency seabed digital seismograph of the present invention adopts single ball integral structure, as shown in Figure 1.It is made up of recovery system and high-strength coupling shelf 1.Recovery system is made up of flashlamp 14, underwater acoustic transducer 12, hook protective cover 13, buoyancy ring 6 and work chamber.Digital collection device 23, appearance control wave detector (three-component) 26, range finding release circuit 9, Radio Beacon 21, Radio Beacon antenna 18, gps antenna 19, electronic compass 10, integrated drive generator 25 are housed in the work chamber.Work chamber strengthens cover 15 by high-strength glass cabin 17, ABS and high-strength ring 24 is formed.The high-strength glass cabin can be made with two and half glass cabins, seals with sealed strip 22 in the middle of it.
Attitude wave detector (three-component) 26 is installed in the bottom of work chamber, is digital collection device 23 on its top, on their the right integrated drive generator 25 has been installed, and function is an acquiring seismic data.Electronic compass 10 is installed in the top of work chamber, and it can measure the position angle of seismic signal.
Radio Beacon 21 is installed in digital collection device 23 upper right side, and Radio Beacon antenna 18 and gps antenna 19 are installed in the upper right side in high-strength glass cabin 17, and function is initialization system time and release position coordinate before throwing in; Receive instrument coordinate information and register system clock correction during recovery.
Range finding release circuit 9 is installed in the top in the high-strength glass cabin, and underwater acoustic transducer 12 is installed in top out of my cabin.In order to adopt the galvanic corrosion function that recovery body and high-strength coupling shelf 1 are broken away from, the big load galvanic corrosion steel connection uncoupling rigging of a cover original creation is installed respectively in the front and back that ABS strengthens taking back on cover 15 tops.It is by two rope slings 7, stainless steel silk braid 3, trip lever 4, a galvanic corrosion negative pole 5 and discharge anodal 8 and form.When the needs collection apparatus, the people sends release order (using sonar system) aboard ship, when underwater acoustic transducer 12 receive release order after, by being installed in upper left release signal seat 11 and the release positive pole 8 below it out of my cabin, give the stainless steel silk braid on anodal 83 energisings, form the loop by seawater and the negative pole below it 5, stainless steel silk braid 3 is produced corrosion, as long as it is out of trim that two corrosion in just thinking disconnect back lever 4, buoyancy by recovery system, emerge after recovery system and high-strength coupling shelf 1 are broken away from, it is salvaged go on board again.At dark, flashlamp 14 is luminous, helps collection apparatus.
The big load galvanic corrosion steel connection uncoupling rigging of the high-strength coupling shelf 1 and the first half guarantees that recovery system and coupling shelf 1 rigidity connect, again can with coupling shelf 1 automatically-unhooked come-up, realization reliable recovery.Simultaneously the coupling frequency between the jettison system of being made up of the three also can meet the demands.High-strength coupling shelf 1 not only strengthens self stiffness and lowers the center of gravity, and adopts porous plate to increase connection area with globigerina, is enough to satisfy the requirement of jettison system and seabed coupling frequency.On high-strength coupling shelf 1, weight equalizer 27 has been installed, has been used for the attitude adjustment of jettison system.
Ten line data seats 16 have been installed in the upper right side in glass cabin 17, for providing friendly human-computer interaction interface before throwing in and after reclaiming, have simplified on-the-spot detection and observation, and the extraction of playback of data and power supply control make the operation of marine continuous several times seismological observation become possibility.
The structrual description of high-frequency seabed digital seismograph electronic system of the present invention
The structured flowchart of high-frequency seabed digital seismograph electronic system, as shown in Figure 2.
Also have miscellaneous part: 1. the GPS receiver 40; The GPS receiver is grouped into by OEM module, reserce cell, supporting high-gain miniature antenna and power control part, and its function is the location and surveys clock correction.2. electronic compass 10: electronic compass adopts TOPTEAM TECHNOLOGY company's T DCM miniature electronic compass module to make, and its function is to provide position angle under water for submarine seismograph.3. Radio Beacon 21: Radio Beacon is made up of wireless data transmission module, and its function is to the collection apparatus location, implements to salvage.
High-frequency seabed digital seismograph dynamic duty process of the present invention is as follows:
After high-frequency seabed digital seismograph is rendered to the seabed, accurately locate with sonar system immediately.After this, appearance control wave detector (three-component) 26 and digital collection device 23 are worked simultaneously, and constantly disturb and seismic signal in the record seabed automatically, and exist in the inner storer.When needs reclaim, send the recovery signal in the surrounding waters that this instrument is thrown in by sonar system, recovery system floats automatically, and behind the emersion sea its position information of wireless transmission, determine the orientation according to this information or range estimation mode, salvage again and go on board.Extract the seismic signal data that write down then and supply analysis and research.
Claims (7)
1. high-frequency seabed digital seismograph, form by recovery system and coupling shelf, recovery system is made up of flashlamp, underwater acoustic transducer, hook protective cover, buoyancy ring and work chamber, and digital collection device, three-component appearance control wave detector, range finding release circuit, Radio Beacon, Radio Beacon antenna, gps antenna, electronic compass and integrated drive generator are housed in the work chamber; Coupling shelf is made up of base plate and support; It is characterized in that:
The work chamber of recovery system adopts single ball integral structure, recovery system and coupling shelf are connected by galvanic corrosion steel connection uncoupling rigging, galvanic corrosion steel connection uncoupling rigging upper end is fixed in recovery system top, and the lower end is fixed in coupling shelf by tightening up mechanism, and recovery system is securely in place in the coupling shelf;
The work chamber of recovery system, form by glass cabin, reinforcement cover, buoyancy ring and ring, spherical glass cabin episphere outside surface covers, is connected for strengthening cover, strengthen the cover upper end one annular protrusion is arranged, turn up in the limit, lower end, the flanging lower surface is affixed with the ring upper surface by buoyancy ring, and ring is fixed in spherical glass out of my cabin in the surface level on the separated time;
Strengthen being installed with underwater acoustic transducer in the groove of cover upper end annular protrusion, the annular protrusion upper limb is connected with the hook protective cover, and the outside is provided with flashlamp;
Top, glass cabin is equipped with ten line data seats, for providing friendly human-computer interaction interface before throwing in and after reclaiming, has simplified on-the-spot detection and observation;
In the glass cabin spheroid of work chamber, rigidity is equipped with digital collection device, three-component appearance control wave detector, range finding release circuit, Radio Beacon, Radio Beacon antenna, gps antenna, electronic compass and integrated drive generator; Wherein, three-component attitude wave detector is installed in the bottom of work chamber, is the digital collection device on its top, on their the right integrated drive generator has been installed, and function is an acquiring seismic data; Electronic compass is installed in the top of work chamber, and it can measure the position angle of seismic signal;
Radio Beacon is installed in digital collection device upper right side, and Radio Beacon antenna and gps antenna are installed in the upper right side in glass cabin, and function is initialization system time and release position coordinate before throwing in; Receive instrument coordinate information and register system clock correction during recovery;
Range finding release circuit is installed in the top in the glass cabin, and underwater acoustic transducer is installed in top out of my cabin;
The digital collection device, form by circuit such as interactive interface, multi-way switch, serial ports a, serial ports b, switch, electronic signature under water, A/D modular converter, memory modules, 32 single-chip microcomputers, Time Service, release circuit, PC module, massage storage, power managements, wherein, multi-way switch, serial ports a, serial ports b, switch, electronic signature, A/D modular converter, memory modules, Time Service, release circuit, PC module, massage storage and power management are electrically connected with single-chip microcomputer respectively under water, and multi-way switch also is electrically connected with serial ports b;
The digital collection device is electrically connected with electronic compass, GPS receiver and Radio Beacon respectively by multi-way switch;
Coupling shelf is on horizonal base plate, is provided with annular support, and horizonal base plate is a porous plate, and the work chamber external diameter of annular support internal diameter and recovery system is suitable;
One cover galvanic corrosion steel connection uncoupling rigging is positioned at and strengthens the take back front and rear part of a side, cover top; Every cover discharges anodal the composition by two rope slings, a stainless steel silk braid, trip lever, a galvanic corrosion negative pole and; Two rope slings are placed in an end of trip lever, one rope sling upper end is fixed in strengthens cover top, its other release signal seat that is provided with, another rope sling lower end is fixed on the annular support of coupling shelf by tightening up mechanism, the other end of lever is with the stainless steel silk braid, the stainless steel silk braid links to each other with release is anodal, and the galvanic corrosion negative pole is located at and is discharged anodal below.
2. high-frequency seabed digital seismograph as claimed in claim 1 is characterized in that: the described mechanism that tightens up, and for steel connects bolt.
3. high-frequency seabed digital seismograph as claimed in claim 1 is characterized in that: limit, described reinforcement cover lower end turn up lower surface by buoyancy ring with the ring upper surface affixed, be affixed with bolt nut.
4. high-frequency seabed digital seismograph as claimed in claim 1 is characterized in that: described glass cabin, make with two and half glass cabins, and seal with sealed strip in the middle of it.
5, high-frequency seabed digital seismograph as claimed in claim 1 is characterized in that: described coupling shelf, weight equalizer has been installed on it, and be used for the attitude adjustment of jettison system.
6, high-frequency seabed digital seismograph as claimed in claim 1, it is characterized in that: described galvanic corrosion steel connection uncoupling rigging, under the conventional state, galvanic corrosion steel connection uncoupling rigging is in dynamic balance, when the needs collection apparatus, release order with the sonar system transmission, when underwater acoustic transducer receive release order after, the release positive pole below release signal seat and it is given the energising of the stainless steel silk braid on positive pole, form the loop by seawater and the galvanic corrosion negative pole below it, the stainless steel silk braid is produced corrosion, and the lever out of trim as long as two corrosion in just thinking are had no progeny is by the buoyancy of recovery system, recovery system and coupling shelf are broken away from, and emerge.
7. high-frequency seabed digital seismograph as claimed in claim 1, it is characterized in that: can be in≤6000 meters depth of waters and 2～100Hz working band and 120dB dynamic range safe and reliable steady operation, total power consumption≤0.31 watt, at sea continuous several times is carried out the seismological observation operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004101018687A CN100339723C (en) | 2004-12-30 | 2004-12-30 | High-frequency seabed digital seismograph |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004101018687A CN100339723C (en) | 2004-12-30 | 2004-12-30 | High-frequency seabed digital seismograph |
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| CN1800879A CN1800879A (en) | 2006-07-12 |
| CN100339723C true CN100339723C (en) | 2007-09-26 |
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| CNB2004101018687A Expired - Fee Related CN100339723C (en) | 2004-12-30 | 2004-12-30 | High-frequency seabed digital seismograph |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101441274B (en) * | 2008-12-24 | 2011-01-19 | 中国科学院地质与地球物理研究所 | Ocean-bottom seismograph for natural gas hydrate exploration |
| CN101963671B (en) * | 2009-07-22 | 2012-08-22 | 中国科学院地质与地球物理研究所 | Broadband dual-cabin ball submarine seismograph |
| CN102426389B (en) * | 2011-09-19 | 2013-02-06 | 中国科学院地质与地球物理研究所 | Portable small ocean bottom seismograph |
| CN103399359A (en) * | 2013-08-21 | 2013-11-20 | 国家***第二海洋研究所 | Benthonic geophysical observation device |
| CN105910574B (en) * | 2016-04-05 | 2017-06-23 | 中国科学院南海海洋研究所 | A kind of seabed base observation platform |
| CN106125144A (en) * | 2016-06-22 | 2016-11-16 | 中国地质大学（北京） | A kind of small-sized seabed controllable source electromagnetism acquisition station |
| CN106997656B (en) * | 2017-02-27 | 2023-10-24 | 浙江大学 | Underwater data transmission platform for submarine instrument |
| CN106842335B (en) * | 2017-03-10 | 2019-09-10 | 中国石油天然气集团公司 | A kind of marine electromagnetic acquisition station |
| CN107179554B (en) * | 2017-07-17 | 2023-08-22 | 国家深海基地管理中心 | Submarine seismic detection device and detection method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193755A (en) * | 1998-12-28 | 2000-07-14 | Nec Corp | Device and method for installing submarine seismometer |
| JP2000310681A (en) * | 1999-04-27 | 2000-11-07 | Kaname Miura | Prediction device of occurrence of earthquake and tsunami |
| CN1301350A (en) * | 1998-05-20 | 2001-06-27 | 施鲁博格控股有限公司 | Marine seismic acquisition system and method |
-
2004
- 2004-12-30 CN CNB2004101018687A patent/CN100339723C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1301350A (en) * | 1998-05-20 | 2001-06-27 | 施鲁博格控股有限公司 | Marine seismic acquisition system and method |
| JP2000193755A (en) * | 1998-12-28 | 2000-07-14 | Nec Corp | Device and method for installing submarine seismometer |
| JP2000310681A (en) * | 1999-04-27 | 2000-11-07 | Kaname Miura | Prediction device of occurrence of earthquake and tsunami |
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| CN1800879A (en) | 2006-07-12 |
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Assignee: Shanghai Zhongke Mining Co., Ltd. Assignor: Institute of Geology and Geophysics, Chinese Academy of Sciences Contract record no.: 2010210000093 Denomination of invention: High-frequency seabed digital seismograph Granted publication date: 20070926 License type: Exclusive License Open date: 20060712 Record date: 20100624 |
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Granted publication date: 20070926 Termination date: 20131230 |