CN101963671B - Broadband dual-cabin ball submarine seismograph - Google Patents
Broadband dual-cabin ball submarine seismograph Download PDFInfo
- Publication number
- CN101963671B CN101963671B CN2009100895932A CN200910089593A CN101963671B CN 101963671 B CN101963671 B CN 101963671B CN 2009100895932 A CN2009100895932 A CN 2009100895932A CN 200910089593 A CN200910089593 A CN 200910089593A CN 101963671 B CN101963671 B CN 101963671B
- Authority
- CN
- China
- Prior art keywords
- instrument
- cabin
- ball
- balls
- broadband
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a broadband dual-cabin ball submarine seismograph, and relates to the seismic technology. The submarine seismograph comprises two plastic instrument cabins connected together, a release mechanism and a hook dual-ball decoupling support, wherein, the hook dual-ball decoupling support is taken as a base of the submarine seismograph; a hydroacoustic pressure sensor is arranged on the top of a glass ball in one plastic instrument cabin for inducing an external signal, and the pressure sensor is exposed outside the glass ball and internally provided with a digital collector, an attitude control broadband seismometer, a hydroacoustic communication module, a radio beacon, a GPS and an electronic compass; the release mechanism is fixed on the upper part of the plastic instrument cabin ball and connected with the hook dual-ball decoupling support through a corrosion resistant tension steel wire; and the glass ball in the other plastic instrument cabin is internally equipped with a rechargeable battery pack composed of primary lithium batteries for supplying power for the instrument in long-term submarine operation. The broadband dual-cabin ball submarine seismograph integrates the three-component attitude control broadband seismometer and the hydroacoustic pressure sensor for natural seismological observation, thus being capable of realizing multi-purpose long-term submarine seismic exploration, oil-gas exploration and geologic survey.
Description
Technical field
Two cabins, broadband of the present invention ball submarine seismograph relates to oceanic earthquake observation technology field.
Background technology
Beginning in 2000; Under 863 high-tech program supports; Inst of Geology and Geophysics, Chinese Academy of Sciences's independent development high-frequency seabed digital seismograph and successfully test at the South Sea; Record high capacity air gun source signal, be finally inversed by the study area crustal structure that reaches Mohorovicic discontinuity deeply, become a bright spot in 863 " deep water hydrocarbon exploration engineering " project.Along with oil-gas exploration to deep water and ocean residual basin developing progress and to the explore demand of gas hydrate, to the requirement of seabed digital seismograph performance index also increasingly high (such as adapting to the depth of water, improving resolution and stream time etc.) greater than 3000m.
Two cabins, broadband ball submarine seismograph particularly receives restriction abroad on the broadband submarine seismograph introduction problem always, and the introduction plan of the how tame geoscience research unit of China is lain on the table.
Summary of the invention
The objective of the invention is to disclose two cabins, a kind of broadband ball submarine seismograph; Be on the basis of existing single cabin ball submarine seismograph; Through being improved, digesting and assimilating of external product technology form; It has improved performance index, has prolonged observation time, can satisfy the needs that scientific research of seas and marine oil and gas are surveyed.
For achieving the above object, technical solution of the present invention is:
Two cabins, a kind of broadband ball submarine seismograph comprises two plastic instrument cabins, two glass apparatus cabin balls, uncoupling rigging, the heavy coupling frame of the two balls of coupling type; Two glass apparatus cabin balls are installed on respectively in two plastic instrument cabins, and two plastic instrument cabins are arranged side by side, and utilize web member to be fixed together, and form an integral body, so that reclaim simultaneously, and the phase mutual interference when reducing instrument and working under water; Uncoupling rigging is positioned at one of them top, plastic instrument cabin, and the heavy coupling chord position of the two balls of coupling type is in two plastic instrument bilge ends; Hook and pull bar above the heavy coupling frame of the two balls of uncoupling rigging and coupling type are affixed through taut wire, and two plastic instrument cabins are fixed in the heavy coupling frame of the two balls of coupling type;
Wherein, in a glass cabin ball, be provided with three-component appearance control broadband seismometer, electronic circuit, collector systems, underwater sound communication module, gimbaling support; Three-component appearance control broadband seismometer is connected through bearing with the gimbaling support, and three-component appearance control broadband seismometer can rotate freely, operating angle≤30 degree; After electronic circuit, collector systems, underwater sound communication module are assembled, are debugged outside the ball of glass apparatus cabin; Be fixed on seismometer top, three-component appearance control broadband; To test the instrument of accomplishing then puts in the ball of glass cabin; Fix interior arrangement through glass cabin ball extruding O type circle, make ball inner one-tenth in glass cabin as a whole;
Be installed with underwater sound pressure transducer in a glass cabin ball top exterior walls;
Three-component appearance control broadband seismometer, underwater sound pressure transducer respectively with collector systems in the digital collection device be electrically connected, by the digital collection device data of two instrument records are gathered, make instrument can write down earthquake signal and man-made explosion signal;
In another glass cabin ball, be connected with rechargeable battery pack through O type circle, long-term work provides power supply in the seabed for instrument.
Two cabins, described broadband ball submarine seismograph; Its said uncoupling rigging is a double-decker, comprises stainless steel Luo post, Luo bar back up pad, wrapping wire fixed head, wherein; Sheet is around evenly being provided with through hole on silk fixed head and the sheet ring Luo bar back up pad; Two plates laterally arrange up and down, and through hole is relative one by one, and it is affixed with both to pass through hole with most stainless steel Luo posts; Two Luo post upper ends that are positioned on the diameter are stretched out the fixed head upper surface and are interconnected, and constitute suspension hook; Luo bar back up pad diameter of bore and top, plastic instrument cabin outside diameter are suitable;
Sheet is provided with positive pole, unhook slide block, wrapping wire nail, negative pole, the relative both sides anodal, that negative pole is positioned at fixed head diameter of bore direction, the set nut that is spirally connected behind the socket silk pressing pad on the positive pole, socket negative pole protective sleeve on the negative pole around silk fixed head upper surface; With the perpendicular diametric(al) of diametric(al) anodal, that negative pole constitutes on two ends; Be provided with groove in the fixed head periphery to the center of circle; Respectively be provided with a unhook slide block in two grooves, L shape unhook slide block and groove are suitable, and it has a fixed interface in the middle of the fixed wall of upper process; Affixed confession taut wire upper end is intertwined and connected, and the heavy coupling frame of the two balls of taut wire lower end and coupling type twines affixed; A plurality of wrapping wire nails at the fixed head upper surface evenly distribute, and distribution position constitutes annular with position anodal, negative pole;
One fusing steel wire is followed closely coiled ring with order through all wrapping wires through anodal, and with set nut and wrapping wire nail clamped and located, the unhook slide block is fixed on the fixed head, and fusing steel wire and two positive poles touch;
The plastic instrument cabin is placed the heavy coupling frame of the two balls of coupling type; The uncoupling rigging top, a plastic instrument cabin that is placed in one; Luo bar back up pad endoporus and top, plastic instrument cabin join; After being wound in the fixed interface of unhook slide block with two taut wires, with two taut wires of two clamping screws tensions, with the fixed plastics instrument room;
Behind the fixed plastics instrument room, utilize clamping screw to come the fastening degree of taut wire adjustment instrument room again; , instrument utilize the seawater characteristic to carry out electrocorrosion fusing fusing steel wire when reclaiming; The unhook slide block is tightened up steel wire and pulls out, and the swingle on the heavy coupling frame of the two balls of coupling type falls, and hook is holded up; Instrument room breaks away from the heavy coupling frame of the two balls of coupling type and utilizes the buoyant of sea water come-up, so that reclaim.
Two cabins, described broadband ball submarine seismograph; The heavy coupling frame of the two balls of its said coupling type adopts the ferrous materials of surface attachment rust protection paint to process, and sets firmly a rotary hook at middle part, heavy coupling frame surface; Both sides all connect a swingle; The swingle outer end is provided with a wrapping wire nail and and confines the Luo bolt, and the wrapping wire nail is intertwined and connected with the taut wire lower end, tightens up to confine the Luo bolt; When taut wire came off, swingle, rotation sagging by deadweight holded up hook, and two plastic instrument cabins break away from heavy coupling frame, float automatically;
The weight and volume of the heavy coupling frame of the two balls of coupling type is suitable for control rate of sinking and sinking attitude in the sinking process, and work provides stable pedestal in the seabed for seismograph, and after the instrument come-up, heavy coupling frame is discarded in the seawater.
Two cabins, described broadband ball submarine seismograph, 60 seconds-40Hz is counted in its said three-component appearance control broadband earthquake.
Two cabins, described broadband ball submarine seismograph, its said rechargeable battery pack comprises most disposable lithium cells.
Two cabins, described broadband ball submarine seismograph; Its said web member is angle bar and nylon sheet, and annular angle chase internal diameter is suitable with two plastic instrument cabin diameters side by side; Nylon sheet edge and plastic instrument edge out of my cabin are suitable; Nylon sheet is fixed in angle bar frame upper surface, and the round out of my cabin subsides that offset of nylon sheet edge and plastic instrument make location, two plastic instrument cabins.
Two cabins, described broadband ball submarine seismograph, the mobile seismological observation in its seabed has dual mode:
(1) two cabins, broadband ball submarine seismograph receives artificial source signal and carries out active observation, but the geologic structure depth as shallow of observing;
(2) two cabins, broadband ball submarine seismograph reception earthquake signal carries out passive observation, uses the wideband seismometer, with the data that obtain geologic structure is differentiated, and the observation cost geologic structure degree of depth low, observation is dark.
Two cabins, broadband of the present invention ball submarine seismograph, inner structure is integrated, during fabrication between with workload on significantly reduction has been arranged, simple, convenient, and reduced additional chatter.Adopt the wireless blue tooth technology to carry out the scene and detect, at sea continuous several times is carried out the seismological observation operation, reaches more than 1 year in the bottom working time, has broken external monopolization to the broadband submarine seismograph.
Description of drawings
Fig. 1 is the structural drawing of two cabins, broadband of the present invention ball submarine seismograph gimbal device;
Fig. 2 is two cabins, broadband of the present invention ball submarine seismograph uncoupling rigging synoptic diagram;
Fig. 3 is the fusing steel wire coiling synoptic diagram of two cabins, broadband of the present invention ball submarine seismograph uncoupling rigging;
Fig. 4 is two cabins, broadband of the present invention ball submarine seismograph stereoscopic structural drawing;
Fig. 5 is two cabins, broadband of the present invention ball submarine seismograph general construction synoptic diagram.
Embodiment
Seeing also Fig. 1～shown in Figure 5, is two cabins, broadband of the present invention ball submarine seismograph structural representations.Wherein, direct current generator 1, bearing seat (gimbaling support 2) 2, gimbal 3, three-component appearance control broadband seismometer 4, bearing 5, battery circle base 6, semicircle pressing plate 7, attitude sensor 8, attitude adjustment motor 9, O type circle 10, motor cover 11, convex base (gimbaling support 1) 12, anodal 13, set nut 14, silk pressing pad 15, stainless steel Luo post 16, Luo bar back up pad 17, unhook slide block 18, wrapping wire nail 19, stainless steel suspension hook 20, wrapping wire fixed head 21, negative pole 22, negative pole protective sleeve 23, fusing steel wire 24, fusing steel wire striking point (two places) 25, uncoupling rigging 26, underwater sound pressure transducer 27, plastic instrument cabin ball (1) 28, taut wire 29, clamping screw 30,, bent type connecting link 31, hook 32, swingle 33, plastic instrument cabin ball (2) 34, nylon set square 35, angle bar 36, retaining mud collar 37, the heavy coupling frame 38 of the two balls of coupling type, foot pin 39, vacuum valve 40, glass apparatus cabin ball (1) 41, electronic circuit board 42, rechargeable battery pack 43, glass apparatus cabin ball (2) 44, disposable lithium cell group 45, gimbal device 46.
Also fluted 211, fixed wall 181, fixed interface 182,, base 183, confine Luo bolt 184.
Seven-channel multi-functional submarine seismograph of the present invention is made up of plastic instrument cabin, uncoupling rigging 26, heavy coupling frame 38 3 parts of the two balls of coupling type.
One, plastic instrument cabin:
The plastic instrument cabin is the recyclable part of submarine seismograph, and it is the protective cover of inner glass instrument room ball, and the single ball integral structure of the inner employing of one of them glass apparatus cabin ball mainly comprises:
(1) underwater sound communication module
Adopt 8 bit FSK numerical codings.The demodulator circuit of FSK coding has comprised several sections such as amplitude detecting, phase-detection, voltage controlled oscillator, comparison follower.Its ultimate principle is: according to the phase differential of input signal and local oscillation signal; The control voltage controlled oscillator in a relative narrower bandwidth (～400Hz) regulate local frequency; If frequency input signal is consistent with local frequency, phase differential is zero, the local frequency locking; Then the coded demodulation circuit is output as low level, otherwise is high level.Two coded demodulation circuit local frequencies are respectively 10KHz and 12.5KHz, in order to whether to contain corresponding frequency signal in the detection signal.
The reverberation problem of underwater sound transmission, the mode that adopts Mintrop wave to extract is solved.Principle is that the deck machine sends a coding frequency, about 10 milliseconds of duration for per 100 milliseconds.Shutdown signal passage in behind first coding frequency signal that receiving end underwater sound communication module is receiving 10 milliseconds.Later whenever carry out the signal demodulation at a distance from 100 milliseconds of opening signal passages, the duration is 10 milliseconds, then at the shutdown signal passage, until this code word section end.
In order to prevent that amplifier is saturated, designed single T network frequency-selecting amplifier of the logical frequency 10-12.5KHz of band, make the effectively compacting of signal ability quilt outside the signal band.
The matching Design of underwater sound emission and transducer mainly is to consider from impedance matching and two links of tuning coupling, and takes measures the push-pull power amplifier pipe is protected.
(2) gimbaling
Designed the improvement project of utilizing 9 pairs of three-component appearances of attitude sensor 8 and attitude adjustment motor control broadband seismometer 4 to carry out the attitude adjustment; Through improving the structural principle of gimbaling, the maintenance that makes the Chang Pingdong of inner seismometer do need not poured into silicone oil, need not be hermetically-sealed construction; And volume weight all can reduce widely; Even more important improvement is that the scope of appearance control adjustment can be greatly improved, and expands to about 30 degree.With making submarine seismograph normal work under more complicated submarine topography.The maximum functional angle of inclination has reached the level of external similar broadband submarine seismograph.
It is reliable and stable that attitude sensor 8 adopts solid-state mems device not have mechanical arrangement works.
Its working method is following: broadband seismometer 4 is positioned on the gimbal 3, and integral body is fixed on the support of gimbaling through bearing 5 again, and glass cabin ball (1) 41 to seismometer 4 guarantees the low distortion transmission of earthquake signal thus for being rigidly connected.When submarine seismograph after the seabed lands; Attitude sensor 8; When perceiving seabed attitude leveling, normal plane is left glass cabin ball (1) 41 and is transferred to level according to the signal of attitude sensor 8 by attitude adjustment motor 9 and put back to glass cabin ball (1) 41 bottom again and add press fit by pulling on the direct current generator 1 that is positioned at gimbal 3 tops.
Gimbaling 46 has been coupled to an integral body with electric battery 43, three-component appearance control broadband seismometer 4, electronic circuit 42, has formed the integrated of inner structure.Instrument assembling, debugging work can be accomplished outside withstand voltage glass cabin ball (1) 41.It only is a casing that glass cabin ball (1) 41 can be regarded as, and the submarine seismograph that test is good is put into glass cabin ball (1) 41, fixing by 10 compressions of O type circle, accomplishes assembling.This structure has also reduced the additional chatter of instrument.
(3) adopt appearance control broadband seismometer
Our integrated appearance control broadband seismograph 4 in the submarine seismograph, appearance control broadband seismograph 4 is emerging in recent years technology, it is a kind of seismometer of galvanochemistry transducing, does not have the mechanical zero and the problem of lock pendulum that the functional reliability of submarine seismograph is improved greatly.
(4) collector systems
A) the amplifying circuit form of preceding discharge road employing manufacturer's recommended; Add at signal input part and to join single order Passive LC low pass frequency overlapped-resistable filter; Adopt utmost point low-noise accurate dual operational amplifier to constitute the instrument amplifying circuit, gaining is that it is 0.4 μ V (peak-to-peak value) that 30dB, amplifying circuit noise are folded to input end.Has very high antijamming capability.
B) oscillatory circuit of instrument employing temperature compensating crystal oscillator formation is as internal clocking, and its precision is superior to 5 * 10 in 0 ℃ to 4 ℃ temperature range
-8What influence quartz crystal oscillation frequency precision mainly is temperature factor, and the temperature in seabed is constant relatively, and in 2000 meters dark seabeds, the annual variation of temperature is only at 0.5 degree, so clock accuracy can guarantee effectively.For reducing the noise of wiring board, the clock of all different frequencies that system is required (mainly being analog to digital conversion clock and single-chip microcomputer clock) adopts same clock division is obtained.
C) data storage adopts SD (SecureDigital) card that extensively adopts on digital camera and the player, has unified interface, and capacity can expand to 32G or higher from 16G.
D) in circuit design, adhere to little power consumption principle of design; For the purpose of the little power consumption of system power dissipation, the principle below the hardware circuit design of data acquisition unit has been deferred to: CMOS type device is adopted in (1), and 1.8V, 3V and 5V single supply low voltage power supply are adopted in (2); (3) digital circuit adopts the work clock of lower frequency as far as possible; (4) reduce the idle power consumption of system, overall power＜0.3W as far as possible.
F) 4 rank ∑-Δ type ADS1251 delta modulator is adopted in the A/D of collector conversion, and the AD clock is by the output of single-chip microcomputer LPC2103 frequency division, and the function of digital filtering adopts software programming to accomplish.The every completion of AD is once changed, and triggers single-chip microcomputer and produces once interruption, and the interrupt routine of single-chip microcomputer reads in internal memory with the AD data.This mode not only can on the basis that reduces power consumption and reduced volume, obtain enough dynamic ranges (＞120dB), can also dynamically adjust its frequency-phase propetry according to the different needs of reality.Control module adopts ARM7 kernel high-performance single-chip microcomputer (LPC2103 of NXP company).WV 3.3/1.8V, 60M dominant frequency, other module work such as control store when accomplishing the filtering of A/D converting digital, communication.Single-chip microcomputer is operated in idle pulley (idle mode), drives interrupts pattern.
G) controller has connected the identical AD module of 7 passages (1-3 passage connection broadband seismometer; The 4-6 passage connects high frequency geophone, the 7th passage connects water and listens the meter passage); (MAX4052) switches through multi-way switch, utilizes the GPIO pin of single-chip microcomputer to read in the AD data of 1-7 passage as the address wire gating.
(5) seismograph power supply
The submarine seismograph battery adopts the 10AH lithium battery, and every cover instrument is installed 10 pieces.Each lithium battery is with protector separately, battery be fixed on the bottom of glass cabin ball by ring-type, seismograph detects through the charging and discharging state and the voltage of single-chip microcomputer to each battery, and can show through interactive interface.Charging is carried out through the socket on the ball of cabin, and the user can understand information such as the charge capacity, duration of charging of each battery.Charger user through special use can accomplish the charging work to submarine seismograph in tens of hours.Each charging operations user can both grasp charging front and back cell voltage state, and information such as charge capacity can in time be found the situation that battery failure or performance reduce.Thereby dead battery is in time changed, or shortened the time of instrument in seabed work according to the situation that battery performance reduces.
Built-in power management module can be supervised the electric energy reserves of battery in real time, and when energy is lower than a certain predetermined value, seismograph can be closed all current consuming apparatus except underwater sound communication, and the time that seismograph is detained more than 1 year in the seabed still can normally reclaim.
(6) data extract mode
In order to guarantee that marine repeatedly operation carries out smoothly, data extraction module must be easy to operate and be needed transmission speed faster.Embedded usb interface module and PC carry out high-speed data exchange among the OBS, can under the prerequisite of not opening the cabin ball, realize the data extract of OBS with higher speed (2M byte per second).
(7) wireless data transmission module
Wireless data transmission module adopts the OEM product.Its emissive power is 1 ~ 5W, about the about 5-10Km of coverage.Bearing accuracy can reach in tens of rice.Consider that wireless data transmission module is built in the ball of glass cabin the restriction in space and adopts 50 Europe 450MHz whips dress gum cover antennas and transmitter supporting, so receiving system receives the restriction in space to adopt 50 Europe 12dB high-gain aerials and receiver supporting hardly.The wireless data transmission module modulation system adopts FSK (frequency shift keying) mode, and antijamming capability is strong.For further improving anti-equipment interference performance, communication speed adopts lower 1200bps.Communications protocol is the RS232 form: 1 start bit, 8 bit data positions, even parity check, 1 position of rest.
Transmission range is very responsive to the antenna height of transmitter.Because transmitter antenna is built in the ball, setting height(from bottom) receives very big restriction.Take following measure: (a) alleviate and reclaim weight (b) antenna and press close to the ball wall and (c) is installed makes antenna when reclaiming be positioned at the top of ball through counterweight for this reason.
Adopt the interweaving encoding technology can effectively reduce the error code that bursty interference causes; Its principle is for to line up matrix with the due-out sign indicating number by row; Send by the order of row again, as in the channel because of continuous error code takes place in bursty interference, the error code of deinterleaving is dispersed to different code words can be by the effective error correction of BCH.
Adopt synchronization mechanism to reduce the preamble synchronization sign indicating number, effectively reduce the time of emission, improve emission efficiency; Avoid the continuous heavy-current discharge of battery to cause " polarization phenomena ".Specifically, the zero-time of sending at every turn and receiving is all confirmed by the edge of GPS output PPS.
(8) stroboscopic lamp
When instrument floated, stroboscopic lamp is the effectively convenient recovery in orientation, indicating instrument place in night.
The top that stroboscopic lamp is placed in the hyperbaric chamber ball utilizes hydraulic pressure switch to control, and when the instrument come-up, hydraulic pressure reduces, stroboscopic lamp work, and light source adopts luminescence efficiency high, and penetrability is high brightness LED preferably.Can continuous working more than 12 hours.
Two, uncoupling rigging:
Uncoupling rigging 26 is a double-decker; Comprise stainless steel Luo post 16, Luo bar back up pad 17, wrapping wire fixed head 21; Wherein, sheet is around laterally arranging under silk fixed head 21 and sheet ring Luo bar back up pad 17 mountains, and is with most stainless steel Luo posts 16 that both are affixed; Wherein two Luo post 16 upper ends that are positioned on diameter upper surface of stretching out fixed head 21 interconnects, and constitutes suspension hook 20; Luo bar back up pad 17 diameter of bores and top, plastic instrument cabin outside diameter are suitable.
Sheet is provided with positive pole 13, unhook slide block 18, wrapping wire nail 19, negative pole 22 around silk fixed head 21 upper surfaces; Positive pole 13, negative pole 22 are positioned at the relative both sides of fixed head 21 diameter of bore directions; The set nut 14 that is spirally connected behind the socket silk pressing pad 15 on anodal 13, socket negative pole protective sleeve 23 on the negative pole 22; Two ends on the perpendicular diametric(al) of the diametric(al) that constitutes with anodal 13, negative pole 22; Be provided with groove 211 in fixed head 21 peripheries to the center of circle; Respectively be provided with a unhook slide block 18 in two grooves 211, L shape unhook slide block 18 is suitable with groove 211, and it has a fixed interface 182 in the middle of the fixed wall 181 of upper process; Fixed interface 182 supplies taut wire 27 to be intertwined and connected, and its base 183 is provided with a plurality of wrapping wire nails 19 and and confines Luo bolt 184; Also be provided with a plurality of wrapping wire nails 19 at fixed head 21 upper surfaces, wrapping wire nail 19 evenly distributes, and distribution position constitutes annular with the position of positive pole 13, negative pole 22.
One fusing steel wire 24 is followed closely 19 coiled rings with order through all wrapping wires through anodal 13, and follows closely 19 clamped and located with set nut 14 and wrapping wire, and unhook slide block 18 is fixed on the fixed head 21, and fusing steel wire 24 and two negative poles 22 touch; Two negative poles 22 promptly are two striking points 25.
Plastic instrument cabin (1) 28 and plastic instrument cabin (2) 34 are fitted together; Form an integral body, place the top of the heavy coupling frame 38 of the two balls of coupling type, uncoupling rigging 26 places (1) 28 top, plastic instrument cabin; Luo bar back up pad 17 endoporus and (1) 28 top, plastic instrument cabin join; Be wound in the fixed interface 182 of unhook slide block 18 with two taut wires 29 after, with two taut wires 29 of two clamping screws, 30 tensions, with fixed plastics instrument room (1) 28.
Behind fixed plastics instrument room (1) 28, lay down the confinement Luo bolt 184 on the unhook slide block 18, utilize clamping screw 30 to come the fastening degree in taut wire 29 adjustment plastic instrument cabins (1) 28 again; When instrument reclaims, utilize the seawater characteristic, carry out electrocorrosion fusing steel wire 24 at two striking points, 25 places, unhook slide block 18 is tightened up steel wire 29 and pulls out, and instrument room promptly utilizes the buoyant of sea water come-up, so that reclaim.
(1) wrapping wire fixed head 21 adopt have high mechanical properties, high rigidity, engineering plastic nylon that toughness is strong process, and be not yielding in water, be difficult for being corroded.
(2) wrapping wire nail 19 is parts comparatively crucial in the uncoupling rigging, so we adopt the special stainless steel of 316L to process, this material all is superior to common stainless steel for the corrosion resistance of seawater and various corrosive mediums.
(3) fusing steel wire 24 is core components of whole uncoupling rigging, and the 316 corrosion-resistant steel wires that we select for use are processed through special process by 49 strands of finer wires of 7 bundles, are prone to bent and soft.When bending, do not resemble and seem too hard the single steel wire, can be close to the wrapping wire nail during tension.
Uncoupling rigging 26 is as the important composition parts of instrument removal process, the assembling of mechanism, debugging work all can indoor make an experiment through, just can install and use.The good uncoupling rigging of test is fixed on the top in plastic instrument cabin (1) 28 through 8 groups of stainless steel screws, can accomplish assembling easily.Parts machining process in the mechanism and selection all can guarantee to work long hours in seawater, and after the while can be implemented in and receive instruction, steel wire was promptly fused in 5 minutes.Reclaim whole process up to instrument and be no more than 10 minutes.
Three, the heavy coupling frame of the two balls of coupling type:
The heavy coupling frame 38 of the two balls of coupling type adopts the ferrous materials of surface attachment rust protection paint to process, and sets firmly a rotary hook 32 at middle part, the heavy coupling frame surface of the two balls of coupling type; The swingle 33 that the equal quality of connection in both sides is bigger, when taut wire 29 came off, pull bar was sagging by deadweight; Make swingle rotate; Thereby hook is holded up, and the two balls of plastics break away from the heavy coupling frame of the two balls of coupling type, float automatically;
Clamping screw 30 is dismountable affixed with taut wire 29 lower ends; Closely link to each other with uncoupling rigging 26 through corrosion-resistant taut wire 29; Its weight and volume is suitable for control rate of sinking and sinking attitude in the sinking process; And when instrument sinks to the seabed, can keep correct attitude and get into duty, and work provides reliable and stable pedestal in the seabed for seismograph, improves the authenticity of instrument record data.After the instrument come-up, the heavy coupling frame of the two balls of coupling type is discarded in the seawater.
Be fastened on instrument on the heavy coupling frame 38 through corrosion-resistant taut wire 29; Will be with clamping screw 30 with corrosion-resistant taut wire 29 tensions of plastics protections skin, by 2 strands fastening, divide two groups; Every group of unhook slide block 18 of straining a uncoupling rigging 26 can make very stable being fixed on the pedestal of instrument.
The heavy coupling frame 38 of the two balls of coupling type belongs to not recovery section, considers its job specification, and our choice criteria angle bar has not only satisfied its rigidity and hardness as working basic stand, and greatly reduced processing cost as main processing raw material.
Use dynamic process:
Choose and throw in place and orientation, render to the seabed to submarine seismograph, after instrument lands, accurately locate with sonar system immediately.When inner attitude sensor 8; When perceiving seabed attitude leveling, vertically on stepper motor 1, draw three-component appearance control broadband seismometer 4, make it to be separated from glass cabin ball (1) 40 by what be positioned at the gimbal top; Signal according to attitude sensor 8 is also put back to glass cabin ball (1) 40 bottom again and is added press fit by attitude adjustment motor 9 level that transfers to; After this inner seismometer and digital collection device get into duty simultaneously, and disturb and seismic signal in the continuous recording seabed, and be stored in the internal storage.
When the needs collection apparatus, send the recovery signal in the surrounding waters, position at this instrument place through sonar system, after instrument is received signal; Begin the steel wire that fuses; About 5 minutes double-globe device cabins and heavy coupling frame 38 break away from, and float to the water surface positional information through its place of wireless transmission behind the emersion sea automatically; Confirm the instrumental azimuth according to this information or range estimation mode, salvage and go on board.Extracting recorded data then supplies to analyze and research.
(1) interior integrally
Instrument internal adopts electric battery 43, electronic circuit 42 that electric battery is placed on the ball of glass cabin through O type circle 10; Circuit board is installed in above the seismometer assembly; Make it into as a whole; Can outside the ball of glass apparatus cabin, assemble, debug, will test the submarine seismograph of accomplishing then and put in the ball of glass cabin, fix interior arrangement through glass cabin ball extruding O type circle.Submarine seismograph compared with in the past need be assembled in ball and debug, and the incorporate design of inner structure has had significantly reduction on time and workload, and is simple, convenient and reduced additional chatter.
Submarine seismograph in the past (the high-frequency seabed seismograph of developing in earlier stage such as us of three-component) all is that the scattered mode of passing through adhering with epoxy resin is fixed on two halves cabin ball up and down with parts such as battery, seismometer, register, underwater sound modules usually; Very easily cause the damage of withstand voltage glass cabin ball; Wiring is complicated simultaneously; Be difficult to assembling and debugging, be easy to generate the record of additional chatter noise effect instrument the earthquake signal.
This integral structure is that our novelty is invented, and this makes submarine seismograph realize that complexity of producing in batches reduces greatly, and this technology also can apply in the miscellaneous equipment that adopts this type of cabin ball simultaneously.
(2) two cabin spherical structure
Our employing of structure of two cabins, broadband ball submarine seismograph is fastenedly connected two single cabin balls through angle bar and thick nylon set square; Form the structure of two cabins, broadband ball submarine seismograph; Underwater sound pressure transducer is equipped with at ball top, glass cabin in one of them plastic instrument cabin; 4 passages numeral collector, appearance control broadband seismometer, underwater sound communication module, wireless beacon machine, GPS, electronic compass and integrated drive generator are equipped with in inside, are used for writing down earthquake and man-made explosion signal.In the ball of another one glass cabin all is disposable lithium cell, and for instrument works long hours in the seabed, and the smooth recovery of instrument provides reliable support.
This two cabins spherical structure is our innovation, and this makes submarine seismograph reach more than 1 year in the bottom working time.
(3) trip mechanism
Uncoupling rigging 26 employing top unhook slide blocks 18 wireropes system is solidly connected, and utilizes the fastening degree of clamping screw 30 taut wires adjustment instrument room, and whole process is convenient to fitting operation; When instrument reclaims; Underwater sound pressure transducer receives releasing order that the water surface sends; Positive pole on the uncoupling rigging of submarine seismograph begins to power up and utilizes the seawater characteristic to carry out electrocorrosion fusing steel wire 24, and unhook slide block 18 is tightened up steel wire 29 and pulls out, and the hook 32 in the middle of the heavy coupling frame of the two balls of coupling type is holded up; Two ball plastic instrument cabins that link together and heavy coupling frame 38 break away from, and instrument room utilizes the buoyant of sea water come-up.Short and good reliability of the removal process time of submarine seismograph.
(4) the heavy coupling frame of the two balls of coupling type
The heavy coupling frame of the two balls of coupling type is processed by the ferrous materials of surface attachment rust protection paint; Set firmly a rotary hook 32 at middle part, heavy coupling frame surface, the swingle 33 that the equal quality of connection in both sides is bigger is when taut wire comes off; Swingle 33 is sagging by deadweight; Hold up thereby link up with 32, the two balls of plastics break away from the heavy coupling frame of the two balls of coupling type, float automatically;
The weight and volume of the heavy coupling frame of the two balls of coupling type is suitable for control rate of sinking and sinking attitude in the sinking process, and work provides stable pedestal in the seabed for seismograph, and after the instrument come-up, the heavy coupling frame of the two balls of coupling type is discarded in the seawater.
Claims (2)
1. two cabins, broadband ball submarine seismograph comprises two plastic instrument cabins, two glass apparatus cabin balls, uncoupling rigging, the heavy coupling frame of the two balls of coupling type; Two glass apparatus cabin balls are installed on respectively in two plastic instrument cabins, and two plastic instrument cabins are arranged side by side, and utilize web member to be fixed together, and form an integral body, so that reclaim simultaneously, and the phase mutual interference when reducing instrument and working under water; Web member is annular angle chase and nylon sheet; Annular angle chase internal diameter is suitable with two plastic instrument cabin diameters side by side; Nylon sheet edge and plastic instrument edge out of my cabin are suitable; Nylon sheet is fixed in annular angle chase upper surface, and the round out of my cabin subsides that offset of nylon sheet edge and plastic instrument make location, two plastic instrument cabins;
Uncoupling rigging is positioned at one of them top, plastic instrument cabin, and the heavy coupling chord position of the two balls of coupling type is in two plastic instrument bilge ends; Rotary hook and swingle above the heavy coupling frame of the two balls of uncoupling rigging and coupling type are affixed through taut wire, and two plastic instrument cabins are fixed in the heavy coupling frame of the two balls of coupling type; It is characterized in that:
Wherein, in a glass cabin ball, be provided with three-component appearance control broadband seismometer, electronic circuit, collector systems, underwater sound communication module, gimbaling support; Three-component appearance control broadband seismometer is connected through bearing with the gimbaling support, and three-component appearance control broadband seismometer can rotate freely, operating angle≤30 degree; After electronic circuit, collector systems, underwater sound communication module are assembled, are debugged outside the ball of glass apparatus cabin; Be fixed on seismometer top, three-component appearance control broadband; To test the instrument of accomplishing then puts in the ball of glass cabin; Fix interior arrangement through glass cabin ball extruding O type circle, make ball inner one-tenth in glass cabin as a whole;
Be installed with underwater sound pressure transducer in a glass cabin ball top exterior walls;
Three-component appearance control broadband seismometer, underwater sound pressure transducer are electrically connected with the underwater sound communication module of inside and the digital collection device in the collector systems respectively; By the digital collection device data of two instrument records are gathered, make instrument can write down earthquake signal and man-made explosion signal; 60 seconds-40Hz is counted in three-component appearance control broadband earthquake;
In another glass cabin ball, be connected with rechargeable battery pack through O type circle, long-term work provides power supply in the seabed for instrument;
Uncoupling rigging is a double-decker; Comprise stainless steel Luo post, Luo bar back up pad, wrapping wire fixed head; Wherein, sheet is around evenly being provided with through hole on silk fixed head and the sheet ring Luo bar back up pad, and two plates laterally arrange up and down; Through hole is relative one by one, and it is affixed with both to pass through hole with most stainless steel Luo posts; Two Luo post upper ends that are positioned on the diameter are stretched out the fixed head upper surface and are interconnected, and constitute suspension hook; Luo bar back up pad diameter of bore and top, plastic instrument cabin outside diameter are suitable;
Sheet is provided with positive pole, unhook slide block, wrapping wire nail, negative pole, the relative both sides anodal, that negative pole is positioned at fixed head diameter of bore direction, the set nut that is spirally connected behind the socket silk pressing pad on the positive pole, socket negative pole protective sleeve on the negative pole around silk fixed head upper surface; With the perpendicular diametric(al) of diametric(al) anodal, that negative pole constitutes on two ends; Be provided with groove in the fixed head periphery to the center of circle; Respectively be provided with a unhook slide block in two grooves, this unhook slide block and groove are suitable, and the unhook slide block has a fixed interface in the middle of the fixed wall of upper process; Affixed confession taut wire upper end is intertwined and connected, and the heavy coupling frame of the two balls of taut wire lower end and coupling type twines affixed; A plurality of wrapping wire nails at the fixed head upper surface evenly distribute, and distribution position constitutes annular with position anodal, negative pole;
One fusing steel wire is followed closely coiled ring with order through all wrapping wires through anodal, and with set nut and wrapping wire nail clamped and located, the unhook slide block is fixed on the fixed head, and fusing steel wire and two positive poles touch;
The plastic instrument cabin is placed the heavy coupling frame of the two balls of coupling type; The uncoupling rigging top, a plastic instrument cabin that is placed in one; Luo bar back up pad endoporus and top, plastic instrument cabin join; After being wound in the fixed interface of unhook slide block with two taut wires, with two taut wires of two clamping screws tensions, with the fixed plastics instrument room;
Behind the fixed plastics instrument room, utilize clamping screw to come the fastening degree of taut wire adjustment instrument room again; , instrument utilize the seawater characteristic to carry out electrocorrosion fusing fusing steel wire when reclaiming; The unhook slide block is tightened up steel wire and pulls out, and the swingle on the heavy coupling frame of the two balls of coupling type falls, and hook is holded up; Instrument room breaks away from the heavy coupling frame of the two balls of coupling type and utilizes the buoyant of sea water come-up, so that reclaim;
The heavy coupling frame of the two balls of coupling type adopts the ferrous materials of surface attachment rust protection paint to process; Set firmly a rotary hook at middle part, the heavy coupling frame surface of the two balls of coupling type; Both sides all connect a swingle; The swingle outer end is provided with a wrapping wire nail and and confines the Luo bolt, and the wrapping wire nail is intertwined and connected with the taut wire lower end, tightens up to confine the Luo bolt; When taut wire came off, swingle, rotation sagging by deadweight holded up hook, and two plastic instrument cabins break away from heavy coupling frame, float automatically;
The weight and volume of the heavy coupling frame of the two balls of coupling type is suitable for control rate of sinking and sinking attitude in the sinking process, and work provides stable pedestal in the seabed for seismograph, and after the instrument come-up, the heavy coupling frame of the two balls of coupling type is discarded in the seawater.
2. two cabins, broadband as claimed in claim 1 ball submarine seismograph is characterized in that: the mobile seismological observation in seabed has dual mode:
(1) two cabins, broadband ball submarine seismograph receives artificial source signal and carries out active observation, but the geologic structure depth as shallow of observing;
(2) two cabins, broadband ball submarine seismograph reception earthquake signal carries out passive observation, uses the wideband seismometer, with the data that obtain geologic structure is differentiated, and the observation cost geologic structure degree of depth low, observation is dark.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100895932A CN101963671B (en) | 2009-07-22 | 2009-07-22 | Broadband dual-cabin ball submarine seismograph |
| HK11103355.0A HK1149329A1 (en) | 2009-07-22 | 2011-04-04 | Broadband double sphere ocean bottom seismograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100895932A CN101963671B (en) | 2009-07-22 | 2009-07-22 | Broadband dual-cabin ball submarine seismograph |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963671A CN101963671A (en) | 2011-02-02 |
| CN101963671B true CN101963671B (en) | 2012-08-22 |
Family
ID=43516622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100895932A Expired - Fee Related CN101963671B (en) | 2009-07-22 | 2009-07-22 | Broadband dual-cabin ball submarine seismograph |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101963671B (en) |
| HK (1) | HK1149329A1 (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102288989B (en) * | 2011-05-17 | 2012-08-29 | 中国科学院地质与地球物理研究所 | Combined broadband ocean bottom seismograph with single compartment ball |
| 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 |
| CN105319596B (en) * | 2015-12-03 | 2018-04-13 | 上海云灵信息技术有限公司 | It is general from floatable submarine seismograph |
| CN107064996B (en) * | 2017-04-19 | 2019-04-26 | 中国科学院地质与地球物理研究所 | A kind of separate assembling broadband submarine seismograph |
| CN107340535B (en) * | 2017-06-27 | 2023-08-22 | 中国地震局工程力学研究所 | Two-part type underground sensor horizontal adjusting device |
| CN108873058B (en) * | 2018-04-27 | 2021-06-11 | 中国船舶工业系统工程研究院 | Submarine seismograph prototype and actual measurement method |
| CN109058697B (en) * | 2018-06-22 | 2023-09-05 | 南方科技大学 | Leveling and locking mechanism of seismograph |
| CN110297268B (en) * | 2019-07-19 | 2024-02-23 | 自然资源部第二海洋研究所 | Automatic deep sea seismic signal acquisition device of heave |
| CN110361777B (en) * | 2019-08-20 | 2024-06-25 | 江苏省地震局 | Flow observation device for seismic observation |
| CN110686912A (en) * | 2019-09-12 | 2020-01-14 | 武汉船用机械有限责任公司 | Land test platform |
| CN111470004B (en) * | 2020-05-25 | 2021-01-29 | 中国船舶科学研究中心 | A installation auxiliary device for fixed function cabin in deep sea |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800879A (en) * | 2004-12-30 | 2006-07-12 | 中国科学院地质与地球物理研究所 | High-frequency seabed digital seismograph |
| CN101441274A (en) * | 2008-12-24 | 2009-05-27 | 中国科学院地质与地球物理研究所 | Ocean-bottom seismograph for natural gas hydrate exploration |
-
2009
- 2009-07-22 CN CN2009100895932A patent/CN101963671B/en not_active Expired - Fee Related
-
2011
- 2011-04-04 HK HK11103355.0A patent/HK1149329A1/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1800879A (en) * | 2004-12-30 | 2006-07-12 | 中国科学院地质与地球物理研究所 | High-frequency seabed digital seismograph |
| CN101441274A (en) * | 2008-12-24 | 2009-05-27 | 中国科学院地质与地球物理研究所 | Ocean-bottom seismograph for natural gas hydrate exploration |
Non-Patent Citations (2)
| Title |
|---|
| 邓明等.中国海底地球物理探测仪器的新进展.《勘探地球物理进展》.2004,(第04期),241-245页. * |
| 阮爱国等.海底地震仪及其国内外发展现状.《东海海洋》.2004,(第02期),19-26页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| HK1149329A1 (en) | 2011-09-30 |
| CN101963671A (en) | 2011-02-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101963671B (en) | Broadband dual-cabin ball submarine seismograph | |
| CN101639538B (en) | Seven-channel multi-functional submarine seismograph | |
| CN101441274B (en) | Ocean-bottom seismograph for natural gas hydrate exploration | |
| CN107064996B (en) | A kind of separate assembling broadband submarine seismograph | |
| CN102288989B (en) | Combined broadband ocean bottom seismograph with single compartment ball | |
| CN102854538B (en) | Single-cabin-ball three-component submarine magnetometer | |
| CN102914798A (en) | Real-time transmission multifunctional ocean bottom seismograph | |
| CN106680877B (en) | A kind of low-power consumption broadband list cabin ball submarine seismograph | |
| CN103033845B (en) | Simple component vertical combined type seaquake acquisition system | |
| CN102426389B (en) | Portable small ocean bottom seismograph | |
| CN105974480B (en) | A kind of pair of cabin ball combined type sea bottom electromagnetic instrument | |
| CN108248764B (en) | Power generation and energy supply buoy utilizing ocean wave energy and solar energy and working method thereof | |
| CN105319596B (en) | It is general from floatable submarine seismograph | |
| CN202110293U (en) | Single compartment ball submarine electric field instrument | |
| CN106814389A (en) | A kind of multi-functional submarine seismograph and its application method with real-time Data Transmission | |
| CN207274928U (en) | A kind of Multifunction diving floating device with unmanned plane landing platform | |
| US20130028047A1 (en) | Bottom module for seismic survey | |
| CN104908890A (en) | Real-time analysis and transmission drifting buoy system for ambient sea noise profile data | |
| CN110488346A (en) | A kind of vertical cable system of marine seismic prospectiong based on fibre optic hydrophone | |
| CN104155695B (en) | Submersible type buoy earthquake data acquisition station | |
| CN108545147A (en) | Ocean-atmosphere interface observes key technology-data real time implementation water surface relay communication float | |
| CN205229473U (en) | General pair of ball floating ocean bottom seismograph that drowns oneself | |
| CN202854351U (en) | Single cabin ball three-component seafloor magnetometer | |
| CN100339723C (en) | High-frequency seabed digital seismograph | |
| CN207007229U (en) | Ocean offshore Big Dipper remote measurement tidal observation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: DE Ref document number: 1149329 Country of ref document: HK |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| REG | Reference to a national code |
Ref country code: HK Ref legal event code: GR Ref document number: 1149329 Country of ref document: HK |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20150722 |
|
| EXPY | Termination of patent right or utility model |