CN206270502U - Seismic prospecting triggering device and seismic survey system - Google Patents
Seismic prospecting triggering device and seismic survey system Download PDFInfo
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- CN206270502U CN206270502U CN201621421965.9U CN201621421965U CN206270502U CN 206270502 U CN206270502 U CN 206270502U CN 201621421965 U CN201621421965 U CN 201621421965U CN 206270502 U CN206270502 U CN 206270502U
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Abstract
The utility model provides a kind of seismic prospecting triggering device and seismic survey system, is related to seismic exploration technique field.Seismic prospecting triggering device includes TTL trigger signals reception device, chromacoder, trigger request sender unit, triggering enabling signal reception device and TTL trigger signal dispensing devices, TTL trigger signals reception device receives a TTL trigger signals, chromacoder generates trigger request signal and the 2nd TTL trigger signals, trigger request sender unit sends trigger request signal, triggering enabling signal reception device receives triggering enabling signal, and TTL trigger signals dispensing device sends the 2nd TTL trigger signals.The seismic acquisition that the technical scheme alleviates prior art presence is difficult to synchronous technical problem with epicenter excitation, realizes the synchronous acquisition of the seismic data produced to epicenter excitation.
Description
Technical field
The utility model is related to marine seismic prospectiong technical field, more particularly, to a kind of seismic prospecting triggering device and ground
Seismic exploration system.
Background technology
With the rapid economic development in the whole world, energy growing tension, the exploration and exploitation of oil gradually show important meaning
Justice, wherein, marine seismic prospectiong as offshore oil drilling important step, be the emphasis of various countries' exploration engineering research.Ocean
Seismic prospecting is RECENT DEVELOPMENTS change one of geophysical exploration method faster, and its general principle is using artificial excitation
Seismic wave propagation law in the different stratum of elasticity carrys out the geological condition of exploring subsurface.
At present, using special instrument record back wave or refracted wave signal, data are entered by special software then
The specific analyzing and processing of row, just can accurately determine the depth and form of bed boundary, so as to judge that the lithology on stratum is carried
For directly referring to.The key technology of high accuracy offshore seismic exploration system be high-accuracy data acquisition, mass data transfers and
Storage and multichannel synchronousing collection.Wherein, high-precision synchronous acquisition is the most important thing, after it directly affects gathered data
Phase is processed and precision of analysis and reliability.
During the utility model is realized, inventor has found that at least there are the following problems in the prior art：Existing sea
Foreign seismic exploration technique is due to many factors such as geographical and environment, it is difficult to realizes epicenter excitation and data collection synchronous, causes
Omission or distortion when gathered data catches, have had a strong impact on the accuracy and reliability of gathered data.Therefore, prior art
There is seismic acquisition and be difficult to synchronous technical problem with epicenter excitation.
Utility model content
In view of this, the purpose of this utility model is to provide seismic prospecting triggering device and seismic survey system, with slow
The seismic acquisition for having solved prior art presence is difficult to synchronous technical problem with epicenter excitation.
In a first aspect, the utility model embodiment provides a kind of seismic prospecting triggering device, including：TTL trigger signals
Reception device, chromacoder, trigger request sender unit, triggering enabling signal reception device and TTL trigger signals
Dispensing device；
The chromacoder sends dress with the TTL trigger signals reception device, the trigger request signal respectively
Put, the triggering enabling signal reception device is connected with the TTL trigger signals dispensing device；
The TTL trigger signals reception device receives a TTL trigger signals；
The chromacoder reads a TTL trigger signals, and a TTL trigger signals are known
Do not change, generate trigger request signal；
The trigger request sender unit sends the trigger request signal；
The triggering enabling signal reception device receives triggering enabling signal；
The chromacoder reads the triggering enabling signal, and the triggering enabling signal is changed, raw
Into the 2nd TTL trigger signals；
The TTL trigger signals dispensing device sends the 2nd TTL trigger signals.
With reference in a first aspect, the utility model embodiment provide first aspect the first possible implementation method, its
In, the trigger request sender unit is provided with USB serial line interfaces with the triggering enabling signal reception device.
With reference in a first aspect, the utility model embodiment provide first aspect second possible implementation method, its
In, also including buzzer；
The buzzer is according to the TTL start trigger signal buzzings.
With reference in a first aspect, the utility model embodiment provide first aspect the third possible implementation method, its
In, also including triggering device indicator lamp.
Second aspect, the utility model embodiment also provides a kind of seismic survey system, including：Guider, master control dress
Put, data acquisition device, seismic source apparatus and above-mentioned seismic prospecting triggering device；
The guider is connected with the seismic source apparatus by the seismic prospecting triggering device；
The data acquisition device is connected with the seismic prospecting triggering device by the master control set；
The guider generation collection dot position information, acquisition time and a TTL trigger signals；
The master control set carries out judgement identification to the trigger request signal that the seismic prospecting triggering device sends, generation
Triggering enabling signal；
The master control set also generates and sends data acquisition signal；
The data acquisition device gathers seismic signal according to the data acquisition signal, and generates seismic data,
Code storage is carried out to the seismic data；
The seismic source apparatus produce seismic signal.
With reference to second aspect, the utility model embodiment provides the first possible implementation method of second aspect, its
In, the guider includes clock locator and a TTL trigger signal transmitters；
The clock locator generates and sends collection dot position information and the acquisition time；
The first TTL trigger signal transmitters generate and send a TTL trigger signals.
With reference to second aspect, the utility model embodiment provides second possible implementation method of second aspect, its
In, the master control set includes trigger request signal receiving device, triggering enabling signal dispensing device and data acquisition signal life
Into device；
The trigger request signal receiving device receives the trigger request signal, and carries out judgement identification, and generation is described
Triggering enabling signal；
The triggering enabling signal dispensing device sends the triggering enabling signal；
The data acquisition signal generating means generate and send the data acquisition signal.
With reference to second aspect, the utility model embodiment provides the third possible implementation method of second aspect, its
In, the seismic source apparatus are air gun or spark source.
With reference to second aspect, the utility model embodiment provides the 4th kind of possible implementation method of second aspect, its
In, the data acquisition device includes data acquisition signal reception device；
The input of the data acquisition signal reception device is connected with the output end of the master control set；
The data acquisition signal reception device receives the data acquisition signal.
With reference to the 4th kind of possible implementation method of second aspect, the utility model embodiment provides the of second aspect
Five kinds of possible implementation methods, wherein, the data acquisition device also includes earthquake towed cable and gathered data processor；
The earthquake towed cable gathers the seismic signal；
The gathered data processor reads the seismic signal, and the seismic signal is converted into the earthquake
Wave number evidence, code storage is carried out to the seismic data.
The utility model embodiment brings following beneficial effect：
Seismic prospecting triggering device and seismic survey system that the utility model embodiment is provided, including：Guider,
Master control set, data acquisition device, seismic source apparatus and seismic prospecting triggering device, guider generation collection dot position information,
Acquisition time and a TTL trigger signals, master control set generation triggering enabling signal and data acquisition signal, seismic source apparatus are produced
Seismic signal, data acquisition device generation seismic data, and code storage is carried out to seismic data.Wherein, earthquake is surveyed
Visiting triggering device includes that TTL trigger signals reception device, chromacoder, trigger request sender unit, triggering start
Signal receiving device and TTL trigger signal dispensing devices, TTL trigger signals reception device receive a TTL trigger signals, signal
Conversion equipment generates trigger request signal and the 2nd TTL trigger signals, and trigger request sender unit sends trigger request letter
Number, triggering enabling signal reception device receives triggering enabling signal, and TTL trigger signals dispensing device sends the 2nd TTL triggering letters
Number.The technical scheme is completed by way of being connected with master control set and seismic source apparatus using seismic prospecting triggering device
Seismic prospecting triggering device is to master control set and the information data synchronous transfer of seismic source apparatus, it is achieved thereby that being produced to epicenter excitation
The synchronous acquisition of raw seismic data, alleviate prior art presence seismic acquisition be difficult to epicenter excitation it is synchronous
Technical problem.
Other feature and advantage of the present utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are in explanation
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
To enable above-mentioned purpose of the present utility model, feature and advantage to become apparent, preferred embodiment cited below particularly, and
Coordinate appended accompanying drawing, be described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the utility model specific embodiment or technical scheme of the prior art, below will be right
The accompanying drawing to be used needed for specific embodiment or description of the prior art is briefly described, it should be apparent that, describe below
In accompanying drawing be some implementation methods of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
The structural representation of the seismic prospecting triggering device that Fig. 1 is provided for the utility model embodiment；
In the seismic prospecting triggering device that Fig. 2 is provided for the utility model embodiment, the original of TTL trigger signal reception devices
Reason figure；
In the seismic prospecting triggering device that Fig. 3 is provided for the utility model embodiment, the schematic diagram of USB serial line interfaces；
In the seismic prospecting triggering device that Fig. 4 is provided for the utility model embodiment, the schematic diagram of buzzer；
The structural representation of the seismic survey system that Fig. 5 is provided for the utility model embodiment.
Icon：
100- seismic prospecting triggering devices；110-TTL trigger signal reception devices；120- chromacoders；130- is touched
Hair request signal dispensing device；140- triggers enabling signal reception device；150-TTL trigger signal dispensing devices；160- buzzings
Device；170- indicator lamps；200- guiders；210- clock locators；The TTL trigger signal transmitters of 220- the；300- master controls
Device；310- trigger request signal receiving devices；320- triggers enabling signal dispensing device；330- data acquisition signals generation dress
Put；400- data acquisition devices；410- data acquisition signal reception devices；420- gathered data processors；430- earthquake towed cables；
500- seismic source apparatus.
Specific embodiment
To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with accompanying drawing to this
The technical scheme of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, belongs to the scope of the utility model protection.
At present, existing marine seismic prospectiong technology is due to many factors such as geographical and environment, it is difficult to realize that focus swashs
Hair and data collection synchronous, cause the omission or distortion when gathered data catches, and have had a strong impact on the accuracy of gathered data
And reliability.Based on this, the utility model embodiment provide seismic prospecting triggering device and seismic survey system, it is possible to achieve
Seismic acquisition is synchronous with epicenter excitation, so as to improve the accuracy and reliability of gathered data.
Embodiment one：
The structural representation of the seismic prospecting triggering device provided referring to Fig. 1, the utility model embodiment.The utility model
Embodiment provide seismic prospecting triggering device 100, including TTL trigger signals reception device 110, chromacoder 120, touch
Hair request signal dispensing device 130, triggering enabling signal reception device 140 and TTL trigger signals dispensing device 150.
Chromacoder starts letter with TTL trigger signals reception device, trigger request sender unit, triggering respectively
Number reception device is connected with TTL trigger signal dispensing devices.Specifically, TTL trigger signals reception device and triggering start letter
The output end of number reception device is connected with the input of chromacoder respectively, trigger request sender unit and TTL
The input of trigger signal dispensing device is connected with the output end of chromacoder respectively.
TTL trigger signals reception device receives a TTL trigger signals.Specifically, guider sets two kinds of triggering sides
Formula, triggering and equidistant ignition when respectively waiting, the technical program uses equidistant ignition, i.e. guider to judge along certain direction displacement
During certain distance, a TTL trigger signals are sent, the TTL that TTL trigger signals reception device receives guider generation is touched
Signal.Further, as shown in Fig. 2 in the seismic prospecting triggering device of the utility model embodiment offer, TTL triggerings are believed
The schematic diagram of number reception device.The technical scheme gathers a TTL trigger signals using PCF8591.Wherein, PCF8591 is one
Individual single-chip integration, individually power supply, low-power consumption, 8-bit cmos data acquisition devices, TTL triggering letters are accessed by AIN3 pins
Number.
Chromacoder reads a TTL trigger signals, and conversion, generation are identified to a TTL trigger signals
Trigger request signal.Specifically, chromacoder reads the TTL trigger signals that TTL trigger signals reception device is received,
First TTL trigger signals are identified, identification target is the trailing edge of a TTL trigger signals, and triggering is generated after identification
Request signal, the trigger request signal represents that the request of seismic prospecting triggering device starts triggering, to realize to seismic source apparatus and number
According to the synchronous Concentrated Control of harvester.
Further, trigger request signal is RS232 signals, such as：Character string " 0XFF 0XCC 0XAE ".RS232 is electricity
Sub- computer and a kind of serial line interface the most frequently used in industrial communication.Be defined as one kind increases logical in low rate serial communication
Interrogate the single-ended standard of distance.RS232 signals are swung between positive negative level, and when data are sent, transmitting terminal driver is exported just
, in+5V~+15V, negative level is in -5V~-15V level for level.When no data is transmitted, on line be TTL, from start transmit data
To end, level returns again to Transistor-Transistor Logic level from Transistor-Transistor Logic level to RS232 level on line.
Trigger request sender unit sends trigger request signal.Specifically, trigger request sender unit and master
Control device carries out data transmission, and the trigger request signal transmission that trigger request sender unit generates chromacoder is extremely
Master control set, to carry out follow-up Treatment Analysis.
Triggering enabling signal reception device receives triggering enabling signal.Specifically, master control set is according to trigger request signal
Generation triggering enabling signal is simultaneously transmitted.At the same time, master control set generation data acquisition signal, and transmit the signal to
Data acquisition device.Triggering enabling signal reception device is connected with master control set by data transfer, and triggering enabling signal is received
Device receives the triggering enabling signal that master control set sends.
Chromacoder reads triggering enabling signal, and triggering enabling signal is changed, generation the 2nd TTL triggerings
Signal.Specifically, chromacoder reads the triggering enabling signal that triggering enabling signal reception device is received, triggering is started
Signal is analyzed, corresponding to triggering enabling signal output TTL trailing edge signals, i.e. the 2nd TTL trigger signals.Further,
Chromacoder uses 80C51 chips, the level that output signal is dragged down and exported for the P23 pin levels of chromacoder
Signal.
TTL trigger signals dispensing device sends the 2nd TTL trigger signals.Specifically, TTL trigger signals dispensing device and shake
Source device carries out data transmission, the 2nd TTL trigger signals transmission that TTL trigger signals dispensing device generates chromacoder
To seismic source apparatus, with artificially generated seismic wave wave source signal, the measurement exploration to formation lithology is realized.
In the seismic prospecting triggering device that the utility model embodiment is provided, trigger request sender unit is opened with triggering
Dynamic signal receiving device is provided with USB serial line interfaces.Trigger request sender unit and triggering enabling signal reception device point
Bidirectional data transfers are not carried out with master control set, further, as shown in figure 3, the earthquake that the utility model embodiment is provided is surveyed
In spy triggering device, the schematic diagram of USB serial line interfaces.The USB serial line interfaces that the technical scheme is driven using CH340, Neng Goushi
Existing triggering device download program, power supply, data communication.
The seismic prospecting triggering device 100 that the utility model embodiment is provided, also including buzzer 160.Buzzer according to
First TTL start trigger signal buzzings.As shown in figure 4, in the seismic prospecting triggering device of the utility model embodiment offer, honeybee
The schematic diagram of ring device.In order to monitor trigger signal, buzzer is assembled in triggering system, that is, when having trigger signal TTL trailing edges,
Buzzer starts, and prompting can carry out epicenter excitation.
The seismic prospecting triggering device 100 that the utility model embodiment is provided, also including triggering device indicator lamp 170.Tool
Body, triggering device indicator lamp includes power supply indicator and malfunction indicator lamp, when seismic prospecting triggering device is normally run, electricity
Source indicator lamp Chang Liang；When seismic prospecting triggering device failure, malfunction indicator lamp Chang Liang.
The technical scheme is real by way of being connected with seismic source apparatus and master control set using seismic prospecting triggering device
Existing seismic source apparatus are synchronous with data acquisition device to concentrate signal transmission, and then it is same with epicenter excitation to reach seismic acquisition
The purpose of step, it is ensured that the integrality of gathered data, so as to improve the accuracy and reliability of gathered data.
Embodiment two：
The structural representation of the seismic survey system provided referring to Fig. 5, the utility model embodiment.The utility model is implemented
The seismic survey system that example is provided, including：Guider 200, master control set 300, data acquisition device 400, seismic source apparatus 500
With seismic prospecting triggering device 100.
The seismic prospecting triggering device that the utility model embodiment is provided, triggers with the seismic prospecting that above-described embodiment is provided
Device has identical technical characteristic, so can also solve identical technical problem, reaches identical technique effect.
Guider is connected with seismic source apparatus by seismic prospecting triggering device, and data acquisition device is touched with seismic prospecting
Transmitting apparatus are connected by master control set.Specifically, guider input is connected with the input of seismic prospecting triggering device
Connect, the output end of seismic prospecting triggering device is connected with the input of seismic source apparatus, data acquisition device, seismic prospecting triggering
Device carries out bidirectional data transfers with master control set respectively.
Guider generation collection dot position information, acquisition time and a TTL trigger signals.Specifically, guider
Including the TTL trigger signals transmitter 220 of clock locator 210 and the.Further, clock locator generates and sends collection
Dot position information and acquisition time.When guider normally runs, when the clock module of clock locator generates instant collection
Between, locating module is according to the geographical position of collecting work generation collection dot position information.First TTL trigger signals transmitter is generated
And send a TTL trigger signals.The guider that the utility model embodiment is provided is adopted in the course of work of seismic survey
Determined along direction initialization with the locating module of the triggering mode of equidistant ignition, i.e. guider, every after certain displacement, generated
First TTL trigger signals, start follow-up triggering.
Seismic prospecting triggering device receives a TTL trigger signals and is changed, and generates corresponding trigger request signal,
The trigger request signal is sent to master control set.
Master control set carries out judgement identification to the trigger request signal that seismic prospecting triggering device sends, and generation triggering starts
Signal.Wherein, master control set 300 includes trigger request signal receiving device 310, the sum of triggering enabling signal dispensing device 320
According to collection signal generating apparatus 330.Trigger request signal receiving device receives trigger request signal, and carries out judgement identification, raw
Into triggering enabling signal.Triggering enabling signal dispensing device sends triggering enabling signal.Data acquisition signal generating means are generated
And send data acquisition signal.
Specifically, the trigger request signal receiving device of master control set receives trigger request signal, and it is judged,
Judge whether data acquisition device completes big gun collection, into idle condition.If data acquisition device is idle condition, master control
The triggering enabling signal dispensing device of device sends triggering enabling signal to seismic prospecting triggering device, is triggered by seismic prospecting
Device controls epicenter excitation.Further, triggering enabling signal is character string " 0X31 0X32 0X33 ".Meanwhile, master control set
Data acquisition signal generating means generate and send data acquisition signal to data acquisition device, data acquisition device is received
Start acquisition and recording data after data acquisition signal, so as to realize the collection of seismic signal.Master control set receives trigger request
Signal, if the trigger request signal receiving device of master control set judges that data acquisition device is busy state, i.e. data acquisition
Device is in data acquisition state, and master control set enables alarm response, points out user data harvester occupied, continues to swash
Hair focus has causes the possibility for losing big gun.
In the seismic survey system that the utility model embodiment is provided, seismic source apparatus are air gun or spark source.Focus
Device produces seismic signal.Specifically, the general principle of marine seismic prospectiong be using artificial excitation seismic wave in elasticity
Propagation law carrys out the geological condition of exploring subsurface in different stratum.Wherein, focus is used to produce Artificial Seismic Wave, offshore earthquake
The used focus of exploration is non-explosive source, mainly there is two types, is respectively air gun and spark source.Air gun source
Principle is that compressed gas abrupt release produces shock wave in water.Air gun source volume is relatively large, is adapted to the earthquake in waters
Exploration, generally swims in and use in water.It has excitation rate fast, be applied in combination energy it is big the characteristics of.Spark source is electricity
Sub-device produces arc vaporization water to form impact in the electric discharge of microsecond rank.Volume is relatively small, is adapted to the differences such as land and waters
Field condition, spark source is typically triggered by TTL trailing edges signal.
In the seismic survey system that the utility model embodiment is provided, data acquisition device 400 includes data acquisition signal
Reception device 410.The input of data acquisition signal reception device is connected with the output end of master control set.Data acquisition signal
Reception device receives data acquisition signal.
Specifically, after master control set judges that data acquisition device is in idle condition, sending data acquisition signal to data
Harvester, the data acquisition signal reception device of data acquisition device receives data acquisition signal, and log-on data is gathered.Enter
One step, data acquisition device 400 also includes earthquake towed cable 430 and gathered data processor 420.
Seismic source apparatus can produce seismic signal, data acquisition device to gather the seismic signal after explosive source.
The earthquake towed cable of data acquisition device gathers seismic signal according to data acquisition signal.
Gathered data processor reads seismic signal, and seismic signal is converted into seismic data, to seismic wave
Data carry out code storage.Specifically, the gathered data processor of data acquisition device is filtered drop to the seismic signal
Make an uproar, generate seismic data, the data embody focus seismic wave and change by seismic wave after rock stratum, so as to reflect stratum
The component characteristic of structure.In addition, the gathered data processor of data acquisition device also carries out code storage to seismic data.Root
The seismic data produced according to the collection dot position information and acquisition time of seismic prospecting triggering device, epicenter excitation is encoded
Storage, so as to follow-up record analysis.Storage medium can be USB flash disk, mobile hard disk, read-only storage (Read-Only
Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disc or CD etc. it is each
Planting can be with the medium of store program codes.
Seismic prospecting triggering device and seismic survey system that the utility model embodiment is provided, including：Guider,
Master control set, data acquisition device, seismic source apparatus and seismic prospecting triggering device, guider generation collection dot position information,
Acquisition time and a TTL trigger signals, master control set generation triggering enabling signal and data acquisition signal, seismic source apparatus are produced
Seismic signal, data acquisition device generation seismic data, and code storage is carried out to seismic data.Wherein, earthquake is surveyed
Visiting triggering device includes that TTL trigger signals reception device, chromacoder, trigger request sender unit, triggering start
Signal receiving device and TTL trigger signal dispensing devices, TTL trigger signals reception device receive a TTL trigger signals, signal
Conversion equipment generates trigger request signal and the 2nd TTL trigger signals, and trigger request sender unit sends trigger request letter
Number, triggering enabling signal reception device receives triggering enabling signal, and TTL trigger signals dispensing device sends the 2nd TTL triggering letters
Number.The technical scheme is completed by way of being connected with master control set and seismic source apparatus using seismic prospecting triggering device
Seismic prospecting triggering device is to master control set and the information data synchronous transfer of seismic source apparatus, it is achieved thereby that being produced to epicenter excitation
The synchronous acquisition of raw seismic data, alleviate prior art presence seismic acquisition be difficult to epicenter excitation it is synchronous
Technical problem.
System embodiment described above is only schematical, for example, the division of the unit, only one kind are patrolled
Collect function to divide, there can be other dividing mode when actually realizing, but for example, multiple units or component can combine or can
To be integrated into another system, or some features can be ignored, or not perform.The unit illustrated as separating component can be with
It is or may not be physically separate, the part shown as unit can be or may not be physical location,
A place is may be located at, or can also be distributed on multiple NEs.Can select according to the actual needs wherein
Some or all of unit realize the purpose of this embodiment scheme.
In addition, in the description of the utility model embodiment, unless otherwise clearly defined and limited, term " installation ",
" connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or integratedly connect
Connect；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can
Being two connections of element internal.For the ordinary skill in the art, above-mentioned term can be understood with concrete condition
Concrete meaning in the utility model.Additionally, term " first ", " second ", " the 3rd " are only used for describing purpose, and can not manage
Solve to indicate or implying relative importance.
Finally it should be noted that：Embodiment described above, specific embodiment only of the present utility model is used to illustrate this
The technical scheme of utility model, rather than its limitations, protection domain of the present utility model is not limited thereto, although with reference to foregoing
Embodiment has been described in detail to the utility model, it will be understood by those within the art that：It is any to be familiar with this skill
In the technical scope that the utility model is disclosed, it still can be to the skill described in previous embodiment for the technical staff in art field
Art scheme is modified or can readily occur in change, or carries out equivalent to which part technical characteristic；And these modifications,
Change is replaced, and does not make the spirit and model of essence disengaging the utility model embodiment technical scheme of appropriate technical solution
Enclose, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be wanted with the right
The protection domain asked is defined.
Claims (10)
1. a kind of seismic prospecting triggering device, it is characterised in that including：TTL trigger signals reception device, chromacoder,
Trigger request sender unit, triggering enabling signal reception device and TTL trigger signal dispensing devices；
The chromacoder respectively with the TTL trigger signals reception device, the trigger request sender unit, institute
Triggering enabling signal reception device is stated to be connected with the TTL trigger signals dispensing device；
The TTL trigger signals reception device receives a TTL trigger signals；
The chromacoder reads a TTL trigger signals, and a TTL trigger signals are identified to turn
Change, generate trigger request signal；
The trigger request sender unit sends the trigger request signal；
The triggering enabling signal reception device receives triggering enabling signal；
The chromacoder reads the triggering enabling signal, and the triggering enabling signal is changed, generation the
Two TTL trigger signals；
The TTL trigger signals dispensing device sends the 2nd TTL trigger signals.
2. device according to claim 1, it is characterised in that the trigger request sender unit is opened with the triggering
Dynamic signal receiving device is provided with USB serial line interfaces.
3. device according to claim 1, it is characterised in that also including buzzer；
The buzzer is according to the TTL start trigger signal buzzings.
4. device according to claim 1, it is characterised in that also including triggering device indicator lamp.
5. a kind of seismic survey system, it is characterised in that including：Guider, master control set, data acquisition device, focus dress
Put and the seismic prospecting triggering device as described in any one of Claims 1-4；
The guider is connected with the seismic source apparatus by the seismic prospecting triggering device；
The data acquisition device is connected with the seismic prospecting triggering device by the master control set；
The guider generation collection dot position information, acquisition time and a TTL trigger signals；
The master control set carries out judgement identification, generation triggering to the trigger request signal that the seismic prospecting triggering device sends
Enabling signal；
The master control set also generates and sends data acquisition signal；
The data acquisition device gathers seismic signal according to the data acquisition signal, and generates seismic data, to institute
Stating seismic data carries out code storage；
The seismic source apparatus produce seismic signal.
6. system according to claim 5, it is characterised in that the guider includes clock locator and a TTL
Trigger signal transmitter；
The clock locator generates and sends collection dot position information and the acquisition time；
The first TTL trigger signal transmitters generate and send a TTL trigger signals.
7. system according to claim 5, it is characterised in that the master control set includes that trigger request signal receives dress
Put, trigger enabling signal dispensing device and data acquisition signal generating apparatus；
The trigger request signal receiving device receives the trigger request signal, and carries out judgement identification, generates the triggering
Enabling signal；
The triggering enabling signal dispensing device sends the triggering enabling signal；
The data acquisition signal generating means generate and send the data acquisition signal.
8. system according to claim 5, it is characterised in that the seismic source apparatus are air gun or spark source.
9. system according to claim 5, it is characterised in that the data acquisition device includes that data acquisition signal is received
Device；
The input of the data acquisition signal reception device is connected with the output end of the master control set；
The data acquisition signal reception device receives the data acquisition signal.
10. system according to claim 9, it is characterised in that the data acquisition device also includes earthquake towed cable and adopts
Collection data processor；
The earthquake towed cable gathers the seismic signal；
The gathered data processor reads the seismic signal, and the seismic signal is converted into the earthquake wave number
According to carrying out code storage to the seismic data.
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| CN108777582A (en) * | 2018-05-04 | 2018-11-09 | 中国地震局地球物理研究所 | Air gun array coding control method and system |
| CN109031406A (en) * | 2018-08-06 | 2018-12-18 | 中国科学院地质与地球物理研究所 | A kind of rifle control markers machine |
| CN112526598A (en) * | 2020-11-20 | 2021-03-19 | 深圳面元智能科技有限公司 | Recorder and recording method of recorder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777582A (en) * | 2018-05-04 | 2018-11-09 | 中国地震局地球物理研究所 | Air gun array coding control method and system |
| CN108777582B (en) * | 2018-05-04 | 2020-07-24 | 中国地震局地球物理研究所 | Air gun combination coding control method and system |
| CN109031406A (en) * | 2018-08-06 | 2018-12-18 | 中国科学院地质与地球物理研究所 | A kind of rifle control markers machine |
| CN112526598A (en) * | 2020-11-20 | 2021-03-19 | 深圳面元智能科技有限公司 | Recorder and recording method of recorder |
| CN112526598B (en) * | 2020-11-20 | 2024-07-09 | 深圳面元智能科技有限公司 | Recorder and recording method of recorder |
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