CN201828545U - In-situ measuring device for sea-bottom depositional optical parameters - Google Patents
In-situ measuring device for sea-bottom depositional optical parameters Download PDFInfo
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- CN201828545U CN201828545U CN2010205442655U CN201020544265U CN201828545U CN 201828545 U CN201828545 U CN 201828545U CN 2010205442655 U CN2010205442655 U CN 2010205442655U CN 201020544265 U CN201020544265 U CN 201020544265U CN 201828545 U CN201828545 U CN 201828545U
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Abstract
The utility model relates to an in-situ measuring device for sea-bottom depositional optical parameters, comprising a gravity sampler, transmission energy converters, receiving energy converters and a central control device containing control program, wherein a gravity sampling pipe is arranged below the gravity sampler, and the central control device is arranged above the gravity sampling pipe of the gravity sampler; and the at least four transmission energy converters and the at least four receiving energy converters are fixed on the gravity sampling pipe through a support bracket, wherein the two transmission energy converters are symmetrically arranged on the external surface at the upper part of the gravity sampling pipe, the other two transmission energy converters are symmetrically arranged on the external surface at the lower part of the gravity sampling pipe, the receiving energy converters are all arranged on the gravity sampling pipe between the two transmission energy converters, and the axes of the transmission energy converters and the receiving energy converters are all parallel to the axis of the gravity sampling pipe. The in-situ measuring device has simple structure and obvious detection effect, thereby increasing the detection depth and improving the adaptability to different geological conditions, obviously improving the propagation distance of the energy converters, and greatly saving the detection cost and time.
Description
Technical field
The utility model belongs to marine physics parameters,acoustic measuring equipment, relates to a kind of equipment---thalassogenic sedimentation parameters,acoustic in-situ measurement device that is used for measuring the sediment parameters,acoustic under the original position state of seabed specifically.
Background technology
The marine bottom sediment parameters,acoustic receives publicity day by day because of its significant application value in fields such as oceanographic engineering prospecting, seabed resources exploratory development and environments such as subsea monitorings, and how accurately obtaining these parameters is the technical barriers that press for solution at present.The in site measurement technology provides a kind of thinking, is about to measuring equipment and delivers to the seabed, and make it measure these parameters under the condition of as far as possible little disturbance sediment virgin state.Present marine bottom sediment acoustic in-situ measuring technique, different two classes that are divided into according to measuring object and implementation, the first kind is the cross measure technology of representative with ISSAMS and SAPPA, by propulsion system the feeler lever of an installation transmitting transducer and the feeler lever of several installation receiving transducers are inserted sediment in parallel to each other, be used for measuring following certain the sedimental parameters,acoustic in one deck position in seabed; Second class then is that the multifrequency submarine acoustic in-situ testing system with acoustics lance and derivation thereof is the vertical measuring technique of representative, can measure the sedimental average velocity in the following certain depth scope in seabed.Acoustics lance and multifrequency submarine acoustic in-situ testing system all are by the following technical solutions: be about to tail end and front end that one or several transmitting transducer and a series of receiving transducer (nautical receiving set) are bundled in steel lance or gravity core pipe respectively, after under action of gravity, inserting marine bottom sediment, launch the waveform of certain energy by deck system control transmitting transducer, and utilize nautical receiving set to gather to propagating this waveform of coming by sediment, and then these waveforms are handled, analyze, finally extrapolating sound bearing medium is sedimental parameters,acoustic.
Mainly there is following problem in the vertical measuring technique that existing multifrequency submarine acoustic in-situ testing system with acoustics lance and derivation thereof is representative:
1) investigation depth is restricted: investigation depth depends on that fundamentally receiving transducer can sense discernible effective acoustical signal outside the much distances of distance sound source, this is except outside the Pass the sensitivity with the transmitting voltage response of transmitting transducer, receiving transducer has, and is also closely related with the directive property of transducer.Directive property is good more, and the acoustic signal propagation distance is far away more, and investigation depth is big more.Prior art does not take into full account the directive property problem on transducer selection and alignment placement, limited investigation depth;
Measure inaccurate when 2) transducer does not all insert: if marine bottom sediment is hard or viscosity is bigger, only may causing, the part receiving transducer inserts sediment, remaining then exposure in water, the sound wave of launching is propagated by water and sediment two media, under the situation that actual insertion depth can't be determined, the parameters,acoustic that calculates not is the parameter of sediment reality.
Summary of the invention
The utility model purpose provides a kind of thalassogenic sedimentation parameters,acoustic in-situ measurement device, to remedy the deficiencies in the prior art.
A kind of thalassogenic sedimentation parameters,acoustic in-situ measurement device, this device comprises gravity core device, transmitting transducer, the receiving transducer that a below is the gravity stopple coupon and is arranged on the central control unit that includes control program of the gravity core pipe top of gravity core device, it is characterized in that having at least four transmitting transducers and at least four receiving transducers to be fixed on the gravity core pipe, wherein have two transmitting transducers to be arranged on symmetrically on the lateral surface on gravity core pipe top via bracing frame; Two other transmitting transducer is arranged on the lateral surface of gravity core pipe bottom symmetrically; Described receiving transducer all is arranged on two groups of gravity core pipes between the transmitting transducer; And the axis of transmitting transducer and receiving transducer all with the parallel axes of gravity core pipe.
Consider that transmitting transducer or receiving transducer can launch or received signal equably, the axis of above-mentioned transmitting transducer and receiving transducer is surrounded on the gravity core pipe, and the spacing of adjacent two axis equates.
Consider and install that it is in spiral distribution that above-mentioned receiving transducer is surrounded on the gravity core pipe with easy to use.
Consider to reduce transmitting transducer and the slotting down resistance of receiving transducer, above-mentioned transmitting transducer and receiving transducer are that the bottom is the cylindrical structural body of inverted cone-shaped, and the lateral surface of cylindrical structural body is provided with the annular recess that is used for fixing bracing frame.Consider and be convenient to fixed transmission transducer and receiving transducer, above-mentioned bracing frame is the tubular body structure that a side is provided with two sway braces.Consider the needs that two transmitting transducers or receiving transducer are arranged at same level height, above-mentioned bracing frame is the tubular body structure that lateral surface is provided with two pairs of sway braces symmetrically.Consider the difference of seabed situation, the gravity core pipe of above-mentioned gravity core device can replace with the steel lance.Above-mentioned transmitting transducer and receiving transducer are disc extensional vibration transducer.
The utility model is simple in structure, Effect on Detecting obviously, has especially increased investigation depth and improved the adaptability of gravity core device to different substrate conditions, has saved detection cost and time greatly.The utility model is set a trap by transducer architecture design and layout and has been realized directional transmissions and directive reception, has brought into play the task performance of transducer self to the full extent, has significantly improved the propagation distance of transducer, increases the degree of depth of surveying; By the rear and front end working method that the layout of transmitting transducer and timesharing emission/multiple tracks receive synchronously is installed all, has realized when probe does not insert sediment fully, also obtaining measurement parameter more accurately, particularly important when hard to the shallow water substrate.
Description of drawings
Fig. 1 is the floor map of the utility model general structure.
Fig. 2 is a upward view of the present utility model.
Fig. 3 is the schematic perspective view of the utility model general structure.
Fig. 4 is the structural representation of emission of the present utility model or receiving transducer.
Fig. 5 is a support frame structure synoptic diagram of the present utility model.
Fig. 6 is an another kind of support frame structure synoptic diagram of the present utility model.
Fig. 7 is the control program process flow diagram in the central control unit of the present utility model.
Wherein, 1, the gravity core pipe, 2, transmitting transducer, 3, receiving transducer, 4, bracing frame, 5, groove, 6, central control unit, 7, the gravity core device, 8, sway brace.
Embodiment
As shown in Figure 1, 2, the utility model comprises gravity core device 7, transmitting transducer 2, the receiving transducer 3 that a below is a gravity stopple coupon 1 and is arranged on the central control unit that includes control program 6 of gravity core pipe 1 top of gravity core device 7, it is characterized in that having at least four transmitting transducers 2 and at least four receiving transducers 3 to be fixed on the gravity core pipe 1, wherein have two transmitting transducers 2 to be arranged on symmetrically on the lateral surface on gravity core pipe 1 top via bracing frame 4; Two other transmitting transducer 2 is arranged on the lateral surface of gravity core pipe 1 bottom symmetrically; Described receiving transducer 3 all is arranged on two groups of gravity core pipes 1 between the transmitting transducer 2, and the vertical range of two adjacent receiving transducers 3 equates that bracing frame 4 distances of two promptly adjacent receiving transducers 3 equate; And the axis of transmitting transducer 2 and receiving transducer 3 all with the parallel axes of gravity core pipe 1, when carrying out in site measurement, can consistently keep vertical with gravity core pipe 1 to guarantee transmitting transducer 2, receiving transducer 3.
As shown in Figure 2, consider transmitting transducer 2 or receiving transducer energy 3 emission or received signal equably, the axis of above-mentioned transmitting transducer 2 and receiving transducer 3 is surrounded on gravity core pipe 1, and the spacing of adjacent two axis equates.Because of adopting same bracing frame 4, the axis of said fixing transmitting transducer 2 or receiving transducer energy 3 to the distance of gravity core pipe 1 axis equates; As long as emission/receiving transducer 2,3 adjacent two axis equate with the angle of gravity core pipe 1 axis, adjacent two axis spacings are equated, as in accompanying drawing 2, have ten emission/receiving transducers 2,3, this angle is exactly 36 degree.
Consider and install that it is in spiral distribution that above-mentioned receiving transducer 3 can also be surrounded on gravity core pipe 1 with easy to use.As shown in Figure 3, consider and reduce transmitting transducer 2 and 3 times slotting resistances of receiving transducer, above-mentioned transmitting transducer 2 is that the bottom is the cylindrical structural body of inverted cone-shaped with receiving transducer 3, and the lateral surface of cylindrical structural body is provided with the annular recess 5 that twice are used for fixing bracing frame 4.
As shown in Figure 4, consider and be convenient to fixed transmission transducer 2 and receiving transducer 3 that above-mentioned bracing frame 4 is tubular body structures that a side is provided with two sway braces 8.The bracing frame 4 of tubular structure can be nested with outside gravity core pipe 1 easily, and by two sway brace 8 fixed transmission transducers 2 or receiving transducer 3.
As shown in Figure 5, consider the needs that two transmitting transducers 2 or receiving transducer 3 are arranged at same level height, above-mentioned bracing frame 4 is tubular body structures that lateral surface is provided with two pairs of sway braces 8 symmetrically; Lateral surface also is provided with three pairs or above sway brace 8, and the angle of adjacent two pairs of sway braces 8 is equated.This structure especially is fit to be provided with the transmitting transducer 2 that is fixed in gravity core pipe 1 top or bottom.
Consider the difference of seabed situation, above-mentioned gravity core pipe 1 is to replace with the steel lance.
Above-mentioned transmitting transducer 2 and receiving transducer 3 all can adopt existing disc extensional vibration transducer.
When carrying out underwater survey, transmitting transducer 2 orientations of front end are launched sound wave backward, and 2 orientations of the transmitting transducer of rear end are launched sound wave forward.Receiving only transducer 3 at six between two groups of transmitting transducers 2 up and down receives respectively from upper and lower two groups of acoustic signals that transmitting transducer 2 sends.
Claims (8)
1. thalassogenic sedimentation parameters,acoustic in-situ measurement device, this device comprises that a below is the gravity core device (7) of gravity stopple coupon (1), transmitting transducer (2), receiving transducer (3) and be arranged on the central control unit that includes control program (6) of gravity core pipe (1) top of gravity core device (7), it is characterized in that having at least four transmitting transducers (2) and at least four receiving transducers (3) to be fixed on the gravity core pipe (1), wherein have two transmitting transducers (2) to be arranged on symmetrically on the lateral surface on gravity core pipe (1) top via bracing frame (4); Two other transmitting transducer (2) is arranged on the lateral surface of gravity core pipe (1) bottom symmetrically; Described receiving transducer (3) all is arranged on the gravity core pipe (1) between two groups of transmitting transducers (2); And the axis of transmitting transducer (2) and receiving transducer (3) all with the parallel axes of gravity core pipe (1).
2. measurement mechanism as claimed in claim 1 is characterized in that the axis of above-mentioned transmitting transducer (2) and receiving transducer (3) is surrounded on stopple coupon (1), and the spacing of adjacent two axis equates.
3. measurement mechanism as claimed in claim 1 or 2, it is in spiral distribution to it is characterized in that above-mentioned receiving transducer (3) is surrounded on gravity core pipe (1).
4. measurement mechanism as claimed in claim 1, it is characterized in that above-mentioned transmitting transducer (2) and receiving transducer (3) are that the bottom is the cylindrical structural body of inverted cone-shaped, and the lateral surface of cylindrical structural body is provided with the annular recess (5) that is used for fixing bracing frame (4).
5. measurement mechanism as claimed in claim 1 is characterized in that above-mentioned bracing frame (4) is the tubular body structure that a side is provided with two sway braces (8).
6. measurement mechanism as claimed in claim 1 is characterized in that above-mentioned bracing frame (4) is the tubular body structure that lateral surface is provided with two pairs of sway braces (8) symmetrically.
7. measurement mechanism as claimed in claim 1 is characterized in that above-mentioned gravity core pipe (1) is to replace with the steel lance.
8. measurement mechanism as claimed in claim 1 is characterized in that above-mentioned transmitting transducer (2) and receiving transducer (3) are disc extensional vibration transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205442655U CN201828545U (en) | 2010-09-27 | 2010-09-27 | In-situ measuring device for sea-bottom depositional optical parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205442655U CN201828545U (en) | 2010-09-27 | 2010-09-27 | In-situ measuring device for sea-bottom depositional optical parameters |
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| Publication Number | Publication Date |
|---|---|
| CN201828545U true CN201828545U (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205442655U Expired - Fee Related CN201828545U (en) | 2010-09-27 | 2010-09-27 | In-situ measuring device for sea-bottom depositional optical parameters |
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| Country | Link |
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| CN (1) | CN201828545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975820A (en) * | 2010-09-27 | 2011-02-16 | 国家海洋局第一海洋研究所 | Submarine sediment acoustic parameter in-situ measuring device |
| CN108732252A (en) * | 2018-07-27 | 2018-11-02 | 国家海洋局第海洋研究所 | A kind of bottom sediment acoustic property in-site measurement transducer |
-
2010
- 2010-09-27 CN CN2010205442655U patent/CN201828545U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101975820A (en) * | 2010-09-27 | 2011-02-16 | 国家海洋局第一海洋研究所 | Submarine sediment acoustic parameter in-situ measuring device |
| CN108732252A (en) * | 2018-07-27 | 2018-11-02 | 国家海洋局第海洋研究所 | A kind of bottom sediment acoustic property in-site measurement transducer |
| CN108732252B (en) * | 2018-07-27 | 2023-09-01 | 国家海洋局第一海洋研究所 | In-situ measuring transducer for acoustic characteristics of submarine sediment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20110927 |