VE464-Vibroseis Electric Control Box Body

VE464 Vibroseis Electrical Control Box Body

1. Master

1,for decades.to comeSERCELVibroseis electric control box bodyfromVE416VE432has been the industry's most advanced controllable source digital control system,is known for its high signal accuracy and advanced and diverse technology in managing vibroseis. VE464 inherits the tradition of advanced vibroseis electric control box technology, and also adopts the latest electronic technology, wireless transmission technology and servo control technology, which can output and control vibroseis signals with higher precision and faster speed. Users can more easily use vibroseis to do seismic exploration, and the goal is to continuously improve production efficiency and increase application flexibility.

VE464

VE464is a powerful digital control system for vibrators, which enables users to apply advanced vibrator technologies such as the following:

----pseudo-random scanning

----Simultaneous multiple sets of seismic sources alternating or sliding scanning(1)

----code scanning

----cascade successive(2) scanning

VE464vibrator electric control box body has greater flexibility, and can provide specific scans by setting different scanning parameters for a set of designated vibrator.

VE464A major technological advance in the controlled source electric control box body is mining.usedTDMARadio (pointsmultiple access mode), which replaces the standardVHFwireless transmission (VHFRadio is stillisVE464options). DueTDMAradio has a full two-way communication protocol, so the function and application of the system are further broadened:

----when navigating the modeused2group

----increased the number of control vibroseis groups during the sliding scan operation (the mostmore32group)

thisoutsideTDMARadio also has its ownGPSsystem is integrated for scan synchronization and when configuring the vibrator wizard optionDGPSdifferential correction techniques. Can also be outfittedSetDGPSandGlonass(Golana)receiverandVE464are used together to track the source point.

2, digital pilot reference scan signal generator (DPG)digital pilot generator

DPGis connected to the data acquisition system via Ethernet.VE464Main Control Unit.DPGis able:

----andSERCEL 428XLacquisition system integration online

----or through its own graphical user interface can be connected to any other type of acquisition system.

VE464 DPGis installed in a stackable box, and its sizeandLCI-428the same box.andVE432compared to volume reduction.60%inDPGinDSD

digital servo drive

3, digital servo drive controllable source electric control box (DSD)

is installed in each vibrator to control the output of the vibrator in real time, calculate the properties and transmit the complete properties.QCDatabase.VE464 DSDVE432 DSDstructure is more compact (volume reductionsmall35%),VE464DSDimproved the design, onlyhave2block easy to disassemble the circuit board, reduce maintenance time.DSDis the use of a new accelerator, which uses a new bolt to tighten the joint.

VE464 DSDcan be matchedconnectedTablet PCMachineQCTerminalorGPSthe monitor for the wizard option.

Tablet PCmachinesame to gobook

is equipped with a large display screen and can be set up very easily.SetDSDparameters, and can be efficientlyTableDSDservo control parameters and itsitDSDfor comparison. In addition,Tablet PCmachine can be realnowDSDroomWi-Fiwireless network connection to ensure that their parameter settings are consistent.VE464 DSDcable (lifting circuit, power supply circuit, accelerator and vibrator control cable)andVE432Cable Compatible,simplifies system upgrades. When using a vibroseisDSDcan be used in an independent manner (no.bandDPG), suchdoVSPseismic data acquisition.

2. VE464 main features

1,scanning signals

used428XLthe acquisition system,DPGcan simultaneously produce multipleup32groups of different digital pilot reference scan signalsand2a simulation letter.toolshave24-bit precision digital pilot reference scan signalmakeDPGproduces better signal quality and lower noise.

reference pilot scan signal is determined by the operatoryourself.32is a basic scanning signal database combined with high voltage line parameters generated.

fundamental signal is determined by its frequency range, frequency versus time law, sweep length, initial phase value, slope, amplitude versus time law, or any law of the user. Whether used alone or at the same time with multiple groups of seismic sources.TableDPGcan be controlled and operatedLongitudinal32vibroseis.

2, Vibrator Digital Control

through automatic identification program,VE464digital model adapts to any type of vibrator without manual adjustment. The fully digital adaptive servo mechanism reduces the phase difference and distortion by its optimized control mode, so as to maximize the effective output signal. integrated with it.GPSsystem can achieve high precision signal synchronization, especiallyisT0Accuracy up± 10microseconds.

enables optimized digital control:

----scan rate,

----cascade successive(2) scanning or multiple sets of seismic source alternating scanning or sliding scanning applications, scanning segment combination without waiting time,

----pseudo-random scanning, more in line with environmental requirements

3. Enhanced real-time quality control

DSDhas a complete automatic sensor test function to check the collectedQCdata contributes to quality assurance by ensuring that the vibrator produces a high-quality scan signal without any polarity reversal..

generates complete for real-time quality analysis or post-processing analysisQCdatabases such:

Time or Frequencycurves

time and frequency graph lines

Bar Graph QC Display

Quality Monitoring Bar Chart Display

----phase

----distortion

----effective earth output

In addition, the controlled seismic source digital control also.canidentifying the viscosity and hardness of the earth, it usually provides the information of the earth absorption model, which can be used to improve the quality of seismic data. Other collectedQCdata can be transmitted to the seismic acquisition system in real time and stored on the local hard disk of the seismograph.orUSBthe active hard disk for some special collection methods, such:HFVS(3) High-fidelity vibroseis seismic acquisition for further analysis and processing. These data collected include:

----effective earth output

----reference signal

----Weight acceleration

----vibrator plate acceleration

4, histogram QC display

fullDepartmentQCinformation can be displayed in histogram color, with automatic threshold detection, which can display the current value and the mostNew50vibrations

5, perfect graphic display

.QCoutside the database information,VE464can also graphically display the results of phase, distortion, output versus time or frequency of each source in real time.

6. QC Statistics

can be born as requiredQCdatabase statistics for daily or longer periodic analysis to detect deviations in vibroseis performance, or as a tool to prompt preventive maintenance.

7. Vibroseis GPS Navigation and Guidance

each source can pass throughusedVE464 GPSNavigation Wizard OptionSercelAcquisition System Boot from Pre-DesignVPearthquake point moves to the next earthquake point.

3. technical indicators

1. Length of scanning signal

highup64seconds,1seconds for steps.

2, scanning frequency and time law

linear, logarithmic, pseudo-random, userfromdefinedand so on.

3. Frequency Range

1300Hz,1Hzfor steps.

4, amplitude and time law

linear interpolation.

5, Steepness

up to 1/2 signal length, BLACKMAN law.

6. Maximum number of source groups

32group.

7, "T0 accuracy"

± 10microseconds(GPS pps).

8, clock accuracy

No drift,GPSaccuracy.

9, QC database format

Positioning Data;SPSfile.

QCProperties:APSfile.

10, PHYSICAL

Physical Dimensions:DPG : 440 x 385 x 88mm(longxwidexhigh).

DSD:168 x 427 x 283mm.

heavyquantity:DPG : 3.6kg(including mounting parts).

DSD : 11kg.

11, Temperature Range

working temperature:..0°45 °

storage temperature:- 40°70 °

12, power supply

DPG:110Vor220V,power consumption:30tile.

DSD:12V,power consumption;80tile

(1)Note:slide scanP.D.Oinvention

(2) Exxonpatent

(3) Mobilpatent