CN102183765A - Inspecting stand of echo sounder - Google Patents
Inspecting stand of echo sounder Download PDFInfo
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- CN102183765A CN102183765A CN 201110065579 CN201110065579A CN102183765A CN 102183765 A CN102183765 A CN 102183765A CN 201110065579 CN201110065579 CN 201110065579 CN 201110065579 A CN201110065579 A CN 201110065579A CN 102183765 A CN102183765 A CN 102183765A
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- pxi
- inspecting stand
- depth finder
- sonic echo
- echo depth
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Abstract
The invention relates to an inspecting stand of an echo sounder. The inspecting stand comprises system hardware and system software, wherein a PXI bus technology is adopted for the system hardware, the system hardware comprises a PXI (PCI (Peripheral Component Interconnect) Extensions for Instrumentation) system, a precise attenuator, a depth simulator, an equivalent load, and a connection adaptor; and SQL language is adopted for the database management of the system software, and a test program adopts a virtual instrument development platform LabVIEW is adopted for a test program. The inspecting stand of the echo sounder, provided by the invention, is used for automatically measuring the parameters, such as launching parameters, receiving parameters, transducer insulation resistance, transducer capacitance, motor rotating speed and the like by adopting international general standard buses and specifications, aiming at technical indexes and functional characteristics of the echo sounder, utilizing virtual instrument imaging development software LabVIEW as the development platform, and integrating the software and the hardware. The inspecting stand has functions of data collection, operation prompt and test result processing, auxiliary trouble clearing, and the like.
Description
Technical field
The present invention relates to a kind of inspecting stand, relate to a kind of sonic echo depth finder inspecting stand concretely.
Background technology
Sonic echo depth finder is a kind of instrument that utilizes the sound wave echoes range measurement principle to survey seabed depth, the sonic echo depth finder type is a lot, can be divided into recording and digital two classes, all form usually by oscillator, transmitting transducer, receiving transducer, amplifier, demonstration and recording portion branch.
Reflection sounding equipment is a class underwater sound instrument the earliest, and this equipment has obtained using widely.All such equipment all have a common characteristic: they all utilize one group of transmitting transducer to launch sound wave under water, and the coastal aqueous medium of sound wave is propagated, and are reflected again after running into target, and the sound wave that reflects is received transducer and receives.And then the signal of receiving by soundman or Computer Processing, and then the parameter of definite target and type.
Reflection sounding equipment can be widely used in directions such as research ocean, exploitation ocean, also is simultaneously the major equipment that guarantees a kind of navigation safety, how to guarantee that therefore the operate as normal of reflection sounding equipment and instant maintenance just seem particularly important.
The sonic echo depth finder inspecting stand is a kind of checkout facility that is used to detect the sonic echo depth finder function, can guarantee the sonic echo depth finder operate as normal.But the most existence of existing sonic echo depth finder inspecting stand can only be carried out low frequency test and the shortcoming of examining and determine small-sized, the rigidity nautical receiving set under away from its resonant condition.
Summary of the invention
Defective in view of the prior art existence, the objective of the invention is to provide a kind of safe and reliable novel sonic echo depth finder inspecting stand, this system is based on ATS, PXI bus and design of Virtual Instrument thought, adopt general international standard bus and standard, technical indicator and functional characteristics at sonic echo depth finder, utilize virtual instrument pattern development software LabVIEW as development platform, integrated by software and hardware, to the emission parameter of sonic echo depth finder, receive parameters such as parameter, transducer insulation resistance, transducer capacitance, motor speed and carry out automatic gauge.This system has data acquisition, operation indicating and test result is handled, auxiliary function such as fix a breakdown.
For achieving the above object, the technology used in the present invention solution: a kind of sonic echo depth finder inspecting stand, comprise system hardware and system software two parts composition, it is characterized in that: system hardware adopts the PXI bussing technique, and this system comprises: PXI system, precision attenuator, degree of depth simulator, equivalent load, connection adaptor; Sql like language is adopted in the data base administration of system software, and test procedure adopts virtual instrument development platform LabVIEW.
Described PXI system comprises: 12 groove PXI cabinets, digital oscilloscope, signal generator module, dynamic signal analysis module, universal switch module, embedded computer.
Described PXI cabinet is selected the high power 3U size cabinet of NI company for use, has the SCXI-1010 of 12 slots, and cabinet has four amplifier analog input modules, and the cable of PXI cabinet and interconnecting device all are full-shields.
Described digital oscilloscope adopts the NI-5112(PXI bus) the oscillograph module, bandwidth: 100MHz; Maximum input voltage value: 25V; Maximum sampling rate 100MS/s, random interval sampling 2.5GS/s; Precision: 12.
Described signal generator module adopts the NI5411(PXI bus), the 40MS/s renewal rate; 12 is precision; 16 MHz sine waves.
Described universal switch module adopts the NI2565(PXI bus), 16 separate single monopole single throw switch, ultimate bearing capacity 5A/30VDC, 7A/250VAC.
Described adapter adopts integrated mode, with the sensing lead of sonic echo depth finder and interface concentration in an adaptive case.
Described system bus is selected PXI bus and gpib bus.
Described precision attenuator and degree of depth simulator have gpib interface.
Described system is under the WINDOWSXP environment, and employing LabVIEW is a development platform, the instrument Driver Library of exploitation PXI bus instrument (oscillograph, switch, signal source).
Described system adopts single-point DFT analytical approach.
Described system adopts ZOOM FFT method and zero padding FFT method.
After adopting such scheme, compare the present invention with existing equipment and have following beneficial effect:
A kind of sonic echo depth finder automatic metering system adopts single-point DFT analytical approach, and seeks technology automatically by the stable state ripple, has guaranteed the accurate sampling of sounder calibrating and sound pressure measurement accurately and reliably; Adopt the sound pulse transient state inhibition method, reduced the acoustical signal transient effect, measure required low frequency stable state waveform to reach can obtain in waters, little space, existing equipment and technology can only be carried out low frequency test and the shortcoming of examining and determine small-sized, the rigidity nautical receiving set under away from its resonant condition; Adopt ZOOM FFT method and zero padding FFT method, guaranteed the accurate measurement of emission signal frequency; Adopt some storehouse maintenance technology, the system that makes has very strong extended capability; By setting up equivalent-circuit model, adopt the nonlinear adaptive algorithm to carry out the impedance curve match, accurately the impedance of measurement transducer is to obtain the exact value of each parameter of equivalent electrical circuit.
Description of drawings
Fig. 1 is a hardware system structure block diagram of the present invention.
Embodiment
Reference numeral shown in Figure 1 is as follows: measurement verification software, PXI mainframe box, embedded computer, oscillograph module, signal generator module, dynamic signal analysis module, universal switch module, connection adaptor, sonic echo depth finder equipment, precision attenuator, degree of depth simulator, equivalent load, computer-aided equipment.
Specify the specific embodiment of the present invention below in conjunction with accompanying drawing:
(1) The Hardware Design and composition
Mentality of designing: adopt the advanced reliable technique achievement of ATE technology, virtual instrument technique and current measurement and control area, guarantee the accurate test of sonic echo depth finder parameters and each parameter of analyzing and processing accurately and reliably, and according to the design specifications of " universalization, seriation, modularization ", the sonic echo depth finder automatic metering system of design and development has functions such as metering inspection data management, output as a result, self check, auxiliary troubleshooting.
System body adopts the PXI bussing technique, the Auto-Test System of being made up of modular instrument/equipment has the message transmission rate height, data throughout is big, volume is little, maneuverability is good, reliability is high, in light weight, advantages such as system buildup is flexible, and expansion is easy, and reusability of resources is good; Because sonic echo depth finder criteria of right and wrong instrument, each device signal input, output channel interface disunity, independent research softwares such as universal adapter, interface controller, guarantee that this metering system timesharing uses various resources, to adapt to the requirement of automatic gauge.
Hardware is formed: the present invention adopts the PXI bussing technique, can just a plurality of functional modules combine, and forms bigger automatic gauge test macro, can finish the test assignment of various different scales flexibly; This system comprises: PXI system, precision attenuator 10, degree of depth simulator, equivalent load, connection adaptor; Wherein the PXI system comprises: 12 groove PXI cabinets, oscillograph module, signal generator module, dynamic signal analysis module, universal switch module, embedded computer.
Each ingredient function is as follows:
Finish control by the PXI bus, realize control, and finish Digital Signal Analysis and Processing, results expression and output, transmit and store system signal to precision attenuator 10 equipment such as grade by carrying gpib interface to the reference instrument module.Central computer is selected the PXI-8176 embedded computer, dominant frequency 1.2GHz, gpib interface, serial ports, LAN interface have been equipped with, dispose 17 cun liquid crystal display displays man-machine interfaces simultaneously, drain into mouse and keyboard and be used for the operation of whole testing processs, print certificate and measurement result with laser printer.
System bus is selected PXI bus and gpib bus, and central computer passes through the PXI bus to be realized the measurement of instrument module is controlled and request, by the control of GPIB/USB bus realization to desk-top instrument.
Described PXI cabinet is selected the high power 3U size cabinet of NI company for use, has the SCXI-1010 of 12 slots, and cabinet has four amplifier analog input modules, has functions such as amplification, filtering, isolation.The cable of PXI cabinet and interconnecting device all are full-shields.
Described digital oscilloscope adopts the NI-5112(PXI bus) the oscillograph module, bandwidth: 100MHz; Maximum input voltage value: 25V; Maximum sampling rate 100MS/s, random interval sampling 2.5GS/s; Precision: 12.
Described signal generator module adopts the NI5411(PXI bus), the 40MS/s renewal rate; 12 is precision; 16 MHz sine waves mainly produce signals such as square wave, sine wave, sawtooth wave, triangular wave.
Described universal switch module adopts the NI2565(PXI bus), 16 separate single monopole single throw switch, ultimate bearing capacity 5A/30VDC, 7A/250VAC, behind the sonic echo depth finder equipment interconnection, with the conversion of signals of non-general and off-gauge various sonic echo depth finder State Control to the common detection interface.
Described precision attenuator can accurately produce microvolt level signal, finishes the reception bandwidth of sonic echo depth finder and the calibrating of receiving sensitivity.
Described adapter adopts integrated mode, has changed the adaptive mode of " one to one " in the past, and the sensing lead of sonic echo depth finder and interface concentration in an adaptive case, have been realized the Highgrade integration of adapter, and is easy to use, dependable performance.
Described precision attenuator and degree of depth simulator have gpib interface.
(1) Design of System Software and composition
According to the VPP standard, adopt structuring, Object-oriented Technique and design of Virtual Instrument thought, data base administration and testing process are separated.Data base management system (DBMS) adopts sql like language as development platform, finishes relevant information, test data and the result's of testing tool management; Test procedure virtual instrument development platform LabVIEW.
System software has three functions: the advanced interface of integrated metrology and measurement function, data management function and instrument hardware, graphic user interface design.The main software module has: registration calibrating information, test item are selected, the result browses printing, information bank is safeguarded, safeguard in the test point storehouse.
Described system is under the WINDOWSXP environment, and employing LabVIEW is a development platform, the instrument Driver Library of exploitation PXI bus instrument (oscillograph, switch, signal source), in programming process, utilize the LabVIEW platform, use sql like language, it is connected with database by ODBC.
Through test, technical indicator of the present invention is as follows:
Depth measurement scope and precision:
Depth measurement scope: 1m-2000m;
Precision: degree of depth 1m-10m,＜± 0.2m;
Degree of depth 10m-400m,＜± 1.0%;
Degree of depth 400m-2000m,＜± 1.5%.
Claims (10)
1. sonic echo depth finder inspecting stand, comprise system hardware and system software two parts composition, it is characterized in that: system hardware adopts the PXI bussing technique, and this system comprises: PXI system, precision attenuator, degree of depth simulator, equivalent load, connection adaptor; Sql like language is adopted in the data base administration of system software, and test procedure adopts virtual instrument development platform LabVIEW.
2. a kind of sonic echo depth finder inspecting stand according to claim 1, it is characterized in that: described adapter adopts integrated mode, with the sensing lead of sonic echo depth finder and interface concentration in an adaptive case.
3. a kind of sonic echo depth finder inspecting stand according to claim 1 is characterized in that: described system bus is selected PXI bus and gpib bus.
4. a kind of sonic echo depth finder inspecting stand according to claim 1 is characterized in that: described precision attenuator and degree of depth simulator have gpib interface.
5. a kind of sonic echo depth finder inspecting stand according to claim 1 is characterized in that: described system is under the WINDOWSXP environment, and employing LabVIEW is a development platform, the instrument Driver Library of exploitation PXI bus instrument (oscillograph, switch, signal source).
6. a kind of sonic echo depth finder inspecting stand according to claim 1 is characterized in that: described PXI system comprises: 12 groove PXI cabinets, digital oscilloscope, signal generator module, dynamic signal analysis module, universal switch module, embedded computer.
7. a kind of sonic echo depth finder inspecting stand according to claim 2, it is characterized in that: described PXI cabinet is selected the high power 3U size cabinet of NI company for use, SCXI-1010 with 12 slots, cabinet has four amplifier analog input modules, and the cable of PXI cabinet and interconnecting device all are full-shields.
8. a kind of sonic echo depth finder inspecting stand according to claim 2 is characterized in that: described digital oscilloscope adopts the NI-5112(PXI bus) the oscillograph module, bandwidth: 100MHz; Maximum input voltage value: 25V; Maximum sampling rate 100MS/s, random interval sampling 2.5GS/s; Precision: 12.
9. a kind of sonic echo depth finder inspecting stand according to claim 2 is characterized in that: described signal generator module adopts the NI5411(PXI bus), the 40MS/s renewal rate; 12 is precision; 16 MHz sine waves.
10. a kind of sonic echo depth finder inspecting stand according to claim 2 is characterized in that: described universal switch module adopts the NI2565(PXI bus), 16 separate single monopole single throw switch, ultimate bearing capacity 5A/30VDC, 7A/250VAC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065579 CN102183765A (en) | 2011-03-18 | 2011-03-18 | Inspecting stand of echo sounder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110065579 CN102183765A (en) | 2011-03-18 | 2011-03-18 | Inspecting stand of echo sounder |
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| CN102183765A true CN102183765A (en) | 2011-09-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841343A (en) * | 2012-09-07 | 2012-12-26 | 天津理工大学 | Echo sounding apparatus calibration system based on industrial computer and calibration method |
| CN105353647A (en) * | 2015-11-20 | 2016-02-24 | 中国船舶重工集团公司第七〇五研究所 | Depth simulator having high dynamic quality and control method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102624A1 (en) * | 2002-05-31 | 2003-12-11 | Quester Tangent Corporation | Resampling sonar echo time series primarily for seabed sediment classification |
| CN101551453A (en) * | 2009-05-11 | 2009-10-07 | 江四义 | Operation field fathometer difference correcting method and sounding survey comparator thereof |
-
2011
- 2011-03-18 CN CN 201110065579 patent/CN102183765A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003102624A1 (en) * | 2002-05-31 | 2003-12-11 | Quester Tangent Corporation | Resampling sonar echo time series primarily for seabed sediment classification |
| CN101551453A (en) * | 2009-05-11 | 2009-10-07 | 江四义 | Operation field fathometer difference correcting method and sounding survey comparator thereof |
Non-Patent Citations (2)
| Title |
|---|
| 《系统仿真学报》 20050930 张剑 等 "基于虚拟仪器技术的鱼雷专用测试设备自动计量系统的设计与实现" 第2301-2304页 1-6 第17卷, 第9期 * |
| 《黑龙江科技信息》 20080410 韩忠霖 等 "PXI总线在自动化测试系统中的应用" 第67页 6 , * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841343A (en) * | 2012-09-07 | 2012-12-26 | 天津理工大学 | Echo sounding apparatus calibration system based on industrial computer and calibration method |
| CN105353647A (en) * | 2015-11-20 | 2016-02-24 | 中国船舶重工集团公司第七〇五研究所 | Depth simulator having high dynamic quality and control method thereof |
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Application publication date: 20110914 |