CN110412652A - A kind of marine seismic data transmission unit - Google Patents
A kind of marine seismic data transmission unit Download PDFInfo
- Publication number
- CN110412652A CN110412652A CN201910786089.1A CN201910786089A CN110412652A CN 110412652 A CN110412652 A CN 110412652A CN 201910786089 A CN201910786089 A CN 201910786089A CN 110412652 A CN110412652 A CN 110412652A
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- data transmission
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- unit
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 134
- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 238000005516 engineering process Methods 0.000 claims description 4
- 230000005622 photoelectricity Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 150000004677 hydrates Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/22—Transmitting seismic signals to recording or processing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/28—Processing seismic data, e.g. analysis, for interpretation, for correction
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/38—Seismology; Seismic or acoustic prospecting or detecting specially adapted for water-covered areas
- G01V1/3843—Deployment of seismic devices, e.g. of streamers
Abstract
The invention discloses a kind of marine seismic data transmission units, including control module, power module and communication module, control module is used to parse and send control instruction and carries out layout arrangement to the seismic data collected, power module provides electric energy to the data transmission unit, the transmission of communication module execution control instruction and seismic data, the layout and transmission of data are carried out using data transmission unit of the invention, data transmission efficiency and accuracy rate with higher help to obtain good marine surveys information.
Description
Technical field
The present invention relates to artificial ocean reflection shooting technical fields, transmit more particularly to a kind of marine seismic data
Unit.
Background technique
Artificial ocean reflection earthquake detecting is a kind of important geophysical exploration method, for resource investigation, deposition structure
Make the investigation such as dividing elements and Geological Hazard, the especially detection of Marine Geology structure, marine oil and gas and gas hydrates
Detection and the detection of submarine geological disaster phenomenon etc. have important strategic importance.Under normal conditions, it needs using artificial shake
Source excitation seismic wave obtains the information on seabed or less stratum by source signal of the acquisition through sub-bottom reflection, due to exploration ship
Oceangoing ship and the distance between the master control of multichannel earthquake data acquisition and seismic signal acquisition elements are very remote, therefore to offshore earthquake number
According to the efficiency of transmission and accuracy rate of transmission unit, more stringent requirements are proposed.
Summary of the invention
In view of this, the present invention provides a kind of marine seismic data transmission unit, data transmission efficiency with higher
And accuracy rate, help to obtain good marine surveys information.
In order to achieve the above object, marine seismic data transmission unit provided by the invention, the data transmission unit are answered
For marine seismic cable, the marine seismic cable includes photoelectric conversion unit and the n sequentially connected data transmission
Unit, n are the positive integer more than or equal to 1；Each data transmission unit includes control module, power module and communication mould
Block；The control module receives and parses through control instruction, and the control instruction is sent to the data by the communication module
The other data transmission connect behind the data acquisition unit and the data transmission unit of the corresponding management of transmission unit are single
Member；And seismic data receiving data acquisition unit acquisition, sending through the communication module and data transmission are single
The seismic data of first other data transmission units connect below after arranging according to preset regular layout, then leads to
It crosses the communication module and is sent to the other data transmission units connect before the data transmission unit or the photoelectricity turn
Change unit；Other data transmission units that the power module is used to be connect from the photoelectric conversion unit or front obtain
Power supply is simultaneously converted into different voltages and is supplied to the control module, the communication module, the data acquisition unit and the data
The other data transmission units connect behind transmission unit；The communication module is used to the control instruction passing to institute
It states control module, and the order after control module parsing is sent to its corresponding described data acquisition unit and affiliated
The data transmission unit behind other data transmission units for being connect；The corresponding data acquisition unit is received to adopt
The earthquake of the other data transmission units connect behind the seismic data of collection and the data transmission unit belonging to it
Data simultaneously pass to the control module；In addition the seismic data after the control module layout being arranged is sent to belonging to it
The other data transmission units connect before the data transmission unit or the photoelectric conversion unit.
Further, the transmission mode of the seismic data are as follows: the seismic data is from n-th of data transmission unit
It is sent to i.e. (n-1)th data transmission unit that the front is connect, the data of two units send n-th -2 to after being packaged again
A data transmission unit, the data of three units are transmitted further along after being packaged, and so on, until being transferred to and first
The connected photoelectric conversion unit of the data transmission unit.
Further, the control instruction is sent to the control through towing cable controller by the master control of multi-channel digital earthquake-capturing
Molding block.
Further, each data transmission unit is corresponding controls multiple data acquisition units, each number
Multiple acquisition channels are controlled according to acquisition unit is corresponding, each acquisition channel corresponds to several earthquake data acquisition elements and to described
The seismic data of earthquake data acquisition element acquisition carries out digitized processing.
Further, the earthquake data acquisition element is hydrophone, and each data transmission unit corresponds to described in 6
Data acquisition unit, each corresponding 4 acquisition channels of the data acquisition unit, each acquisition channel are four to six corresponding
The hydrophone of serial or parallel connection.
Further, the control module is high-performance embedded FPGA.
Further, the power module includes reduction voltage circuit and bleeder circuit.
Further, the communication module carries out the control instruction and earthquake using low-voltage differential signal transmission technology
Data send and receive.
Marine seismic data transmission unit provided by the invention, including control module, power module and communication module, control
Module is used to parse and send control instruction and carries out layout arrangement to the seismic data collected, and power module is passed to the data
Defeated unit provides electric energy, and communication module executes the transmission of control instruction and seismic data, using data transmission unit of the invention
The layout and transmission of seismic data are carried out, data transmission efficiency and accuracy rate with higher help to obtain good ocean
Survey information.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is the operation principle schematic diagram 1 of marine seismic data transmission unit provided in an embodiment of the present invention；
Fig. 2 is the operation principle schematic diagram 2 of marine seismic data transmission unit provided in an embodiment of the present invention.
Specific embodiment
The present invention in order to solve the problems existing in the prior art, provides a kind of marine seismic data transmission unit, has higher
Data transmission efficiency and accuracy rate, help to obtain good marine surveys information.
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to marine seismic data transmission unit proposed according to the present invention, specific embodiment, structure,
Feature and its effect, detailed description is as follows.In the following description, what different " embodiment " or " embodiment " referred to is not necessarily
The same embodiment.In addition, the feature, structure or feature in one or more embodiments can be combined by any suitable form.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, it is specific to understand for example, A and/or B are as follows: it can simultaneously include A and B, can be with individualism A, it can also be with individualism
B can have above-mentioned three kinds of any case.
Referring to attached drawing 1,2, the embodiment of the invention provides a kind of marine seismic data transmission unit, the data transmission is single
Member is applied to marine seismic cable, and the marine seismic cable includes photoelectric conversion unit and the n sequentially connected data
Transmission unit, n are the positive integer more than or equal to 1；Each data transmission unit includes control module, power module and communication
Module；
The control module receives and parses through control instruction, and the control instruction is sent to this by the communication module
The other data connect behind the data acquisition unit and the data transmission unit of the corresponding management of data transmission unit pass
Defeated unit；And seismic data receiving data acquisition unit acquisition, sending through the communication module and the data pass
The seismic data of the other data transmission units connect behind defeated unit, after being arranged according to preset regular layout,
Other data transmission units connect before the data transmission unit and/or described are sent to by the communication module again
Photoelectric conversion unit；
Other data transmission units that the power module is used to be connect from the photoelectric conversion unit or front obtain
It takes power supply and is converted into different voltages and be supplied to the control module, the communication module, the data acquisition unit and the number
According to the other data transmission units connect behind transmission unit；
The communication module is used to the control instruction passing to the control module, and the control module is parsed
Order afterwards is sent to its connect behind the corresponding data acquisition unit and the data transmission unit belonging to it
Its described data transmission unit；The seismic data and the number belonging to it for receiving the corresponding data acquisition unit acquisition
According to the other data transmission units connect behind transmission unit seismic data and pass to the control module；In addition will
The control module layout arrange after seismic data be sent to before the data transmission unit belonging to it connect it is other
The data transmission unit and/or the photoelectric conversion unit.
Illustrated on the basis of (n-1)th data transmission unit, the control module of (n-1)th data transmission unit receives simultaneously
Control instruction is parsed, the control instruction is sent to the number of the corresponding management of (n-1)th data transmission unit by communication module
According to acquisition unit and nth data transmission unit；And receive the data acquisition unit acquisition of corresponding management, through described logical
The seismic data for interrogating seismic data and (n-1)th data transmission unit that module is sent, according to preset regular layout
After arrangement, then by the communication module be sent to the n-th -2 data transmission units (it should be noted that when (n-1)th be
When the 1st data transmission unit, what the front was directly connected to is photoelectric conversion unit, and therefore, data are to be transmitted directly to photoelectricity
Converting unit)；The power module is used to obtain power supply from the photoelectric conversion unit or the n-th -2 data transmission units and turn
It changes different voltages into and is supplied to the control module, the communication module, corresponding data acquisition unit and nth data transmission
Unit；The communication module is used to pass to the control instruction control module, and will be after control module parsing
Order be sent to the corresponding data acquisition unit and nth data transmission unit；The corresponding data are received to adopt
The seismic data of collection unit acquisition and the seismic data of nth data transmission unit simultaneously pass to the control module；In addition
Seismic data after the control module layout is arranged is sent to the n-th -2 data transmission units or the photoelectric conversion
Unit.
Preferably, the transmission mode of the seismic data are as follows: the seismic data is sent out from n-th of data transmission unit
I.e. (n-1)th data transmission unit that the front is connect is given, the data of two units send the n-th -2 to after being packaged again
The data transmission unit, the data of three units are transmitted further along after being packaged, and so on, until being transferred to and first institute
State the connected photoelectric conversion unit of data transmission unit.According to this transmission mode, due to adjacent data transfers unit it
Between the distance transmitted it is relatively short, the bit error rate of data transmission, the quality of improve data transfer can be reduced.Also, from last
One data transmission unit onwards transmission, each data transmission unit can be tagged to data, are conducive to the layout of data.
In the embodiment of the present invention, the control instruction is sent to by the master control of multi-channel digital earthquake-capturing through towing cable controller
The control module.
Referring to fig. 2, each data acquisition unit is corresponding controls multiple acquisition channels, and each acquisition channel is corresponding
Several earthquake data acquisition elements simultaneously carry out digitized processing to the seismic data of earthquake data acquisition element acquisition.
That is, the 1st data acquisition unit k acquisition channel of corresponding control, j-th of data acquisition unit m acquisition channel of corresponding control,
J data acquisition unit controls the seismic data for collecting corresponding acquisition channel respectively, while transferring data to corresponding data
Transmission unit.Wherein, j, k, m are the positive integer more than or equal to 1, it is preferable that k=m.
Preferably, the earthquake data acquisition element is hydrophone, each corresponding 6 numbers of the data transmission unit
According to acquisition unit, each corresponding 4 acquisition channels of the data acquisition unit, each acquisition channel corresponding four to six
The hydrophone of a serial or parallel connection.It depicts four water it should be noted that, although each acquisition channel is corresponding in Fig. 2 and listens
Device, but this can not be interpreted as each acquisition channel can only correspond to four hydrophones.In practical application, the corresponding water of acquisition channel
The quantity of device is listened to be selected according to specific requirement flexible design.Preferably, for Attenuating Random Noise, each acquisition channel corresponding four
To six hydrophones.
Preferably, the control module of each data transmission unit is high-performance embedded FPGA, using FPGA as master control
Device and data processor processed are managed and control to each data transmission unit.
Preferably, the power module of each data transmission unit includes reduction voltage circuit and bleeder circuit, in practice, power supply mould
Block obtains DC power supply (such as 48V) from photoelectric conversion unit or a upper data transmission unit, is transformed into different grades of electricity
Pressure provides the control module and communication module of the same data transmission unit.
Preferably, the communication module of each data transmission unit carries out the control using low-voltage differential signal transmission technology
Instruction and seismic data send and receive, and can be effectively reduced the power consumption of the data transmission unit.
Marine seismic data transmission unit provided in an embodiment of the present invention, including control module, power module and communication mould
Block, control module are used to parse and send control instruction and carry out layout arrangement to the seismic data collected, and power module is to institute
It states data transmission unit and electric energy is provided, communication module executes the transmission of control instruction and seismic data, using the embodiment of the present invention
Data transmission unit, data transmission efficiency and accuracy rate with higher help to obtain good marine surveys information.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of marine seismic data transmission unit, which is characterized in that the data transmission unit is applied to marine seismic cable,
The marine seismic cable includes photoelectric conversion unit and the n sequentially connected data transmission units, and n is more than or equal to 1
Positive integer；Each data transmission unit includes control module, power module and communication module；
The control module receives and parses through control instruction, and the control instruction is sent to the data by the communication module
The other data transmission connect behind the data acquisition unit and the data transmission unit of the corresponding management of transmission unit are single
Member；And seismic data receiving data acquisition unit acquisition, sending through the communication module and data transmission are single
The seismic data of first other data transmission units connect below after arranging according to preset regular layout, then leads to
It crosses the communication module and is sent to the other data transmission units connect before the data transmission unit or the photoelectricity turn
Change unit；
Other data transmission units that the power module is used to be connect from the photoelectric conversion unit or front obtain electricity
Source is simultaneously converted into that different voltages are supplied to the control module, the communication module, the data acquisition unit and the data pass
The other data transmission units connect behind defeated unit；
The communication module is used to pass to the control instruction control module, and will be after control module parsing
Order is sent to the other institutes connect behind the corresponding data acquisition unit and the data transmission unit belonging to it
State data transmission unit；The seismic data and the data belonging to it for receiving the corresponding data acquisition unit acquisition pass
The seismic data of the other data transmission units connect behind defeated unit simultaneously passes to the control module；It in addition will be described
Control module layout arrange after seismic data be sent to connect before the data transmission unit belonging to it is other described
Data transmission unit or the photoelectric conversion unit.
2. marine seismic data transmission unit according to claim 1, which is characterized in that the transmission side of the seismic data
Formula are as follows: the seismic data is sent to i.e. (n-1)th data that the front is connect from n-th of data transmission unit and passes
Defeated unit, the data of two units send the n-th -2 data transmission units to again after being packaged, the data of three units are packaged
It transmits further along afterwards, and so on, until being transferred to the photoelectric conversion list being connected with first data transmission unit
Member.
3. marine seismic data transmission unit according to claim 1, which is characterized in that the control instruction is by multichannel
Digital seismics acquires master control and is sent to the control module through towing cable controller.
4. marine seismic data transmission unit according to claim 1, which is characterized in that each data transmission unit
Corresponding to control multiple data acquisition units, each data acquisition unit is corresponding to control multiple acquisition channels, each adopts
Collection channel corresponds to several earthquake data acquisition elements and counts to the seismic data of earthquake data acquisition element acquisition
Wordization processing.
5. marine seismic data transmission unit according to claim 4, which is characterized in that the earthquake data acquisition element
For hydrophone, each corresponding 6 data acquisition units of the data transmission unit, each data acquisition unit is corresponded to
4 acquisition channels, the hydrophone of each corresponding four to six serial or parallel connections of the acquisition channel.
6. marine seismic data transmission unit according to any one of claim 1 to 5, which is characterized in that the control
Module is high-performance embedded FPGA.
7. marine seismic data transmission unit according to any one of claim 1 to 5, which is characterized in that the power supply
Module includes reduction voltage circuit and bleeder circuit.
8. marine seismic data transmission unit according to any one of claim 1 to 5, which is characterized in that the communication
Module carries out sending and receiving for the control instruction and seismic data using low-voltage differential signal transmission technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786089.1A CN110412652A (en) | 2019-08-24 | 2019-08-24 | A kind of marine seismic data transmission unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910786089.1A CN110412652A (en) | 2019-08-24 | 2019-08-24 | A kind of marine seismic data transmission unit |
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| CN110412652A true CN110412652A (en) | 2019-11-05 |
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| CN201910786089.1A Pending CN110412652A (en) | 2019-08-24 | 2019-08-24 | A kind of marine seismic data transmission unit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111290014A (en) * | 2020-03-26 | 2020-06-16 | 国家深海基地管理中心 | Seismic cable detection device, process detection method and anti-interference detection method |
| CN111561961A (en) * | 2020-03-17 | 2020-08-21 | 中国船舶重工集团公司第七一五研究所 | Marine information acquisition system and method for synchronizing additional time information |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664619A (en) * | 2005-03-18 | 2005-09-07 | 中国科学技术大学 | Distributed ocean seismic exploration haulage cable |
| CN210626679U (en) * | 2019-08-24 | 2020-05-26 | 自然资源部第一海洋研究所 | Marine seismic data transmission unit |
-
2019
- 2019-08-24 CN CN201910786089.1A patent/CN110412652A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664619A (en) * | 2005-03-18 | 2005-09-07 | 中国科学技术大学 | Distributed ocean seismic exploration haulage cable |
| CN210626679U (en) * | 2019-08-24 | 2020-05-26 | 自然资源部第一海洋研究所 | Marine seismic data transmission unit |
Non-Patent Citations (1)
| Title |
|---|
| 安文威: "分布式信号采集传输系统的研究与设计", 《中国优秀硕士学位论文全文数据库 信息科技辑》, pages 1 - 69 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561961A (en) * | 2020-03-17 | 2020-08-21 | 中国船舶重工集团公司第七一五研究所 | Marine information acquisition system and method for synchronizing additional time information |
| CN111290014A (en) * | 2020-03-26 | 2020-06-16 | 国家深海基地管理中心 | Seismic cable detection device, process detection method and anti-interference detection method |
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