CN205664930U - Vector hydrophone calbiration system - Google Patents
Vector hydrophone calbiration system Download PDFInfo
- Publication number
- CN205664930U CN205664930U CN201620531544.5U CN201620531544U CN205664930U CN 205664930 U CN205664930 U CN 205664930U CN 201620531544 U CN201620531544 U CN 201620531544U CN 205664930 U CN205664930 U CN 205664930U
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- CN
- China
- Prior art keywords
- hydrophone
- calibration
- vector hydrophone
- vector
- computer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a vector hydrophone calbiration system includes perpendicular slewer and calibration chamber, calibrated vector hydrophone and standard water that perpendicular slewer passes through axis of rotation drive calibration intracavity listen the ware uniform rotation, the bottom in calibration chamber is provided with transmitting transducer, listened the ware to be connected with electronic switch respectively by calibration vector hydrophone and standard water, the magnitude of voltage and the phase value that produce behind signal conditioning circuit enter into the computer, the angle of revolution information of ware and transmitting transducer's transmission sound wave are listened by calibration vector hydrophone and standard water to the computer processing, the calibration of vector hydrophone has been realized. This vector hydrophone calbiration system has realized the real -time calibration to the vector hydrophone, has improved calibration efficiency, has improved the reliability and the accuracy of calibration, has fine use value.
Description
Technical field
This utility model relates to underwater sound field of measuring techniques, calibrates system particularly to a kind of vector hydrophone.
Background technology
Underwater sound metering is an important step in underwater acoustic technology field, owing to vector hydrophone is in power of test and acquisition
The aspects such as sound field information have the advantages that to be better than tradition pressure hydrophone, thus become the focus of people's research.Along with computer
With developing rapidly of underwater sound field science and technology, and the raising of automated control technology, vector hydrophone is widely used
In the every field of Underwater Acoustics Engineering, at present, free found field commonly used to vector hydrophone or equivalence free found field are calibrated,
But owing to these methods exist problems when calibrating low frequency vector hydrophone, therefore, how to improve the school of vector hydrophone
How quasi-precision and the reliability of measurement, provide in vector hydrophone development and calibrate fast and easily, thus improves development effect
Rate, this is the problem that we are inquiring into always.
Summary of the invention
This utility model provides a kind of vector hydrophone calibration system, it is characterised in that: described vector hydrophone is calibrated
System includes vertical slewing equipment 1 and calibration chamber 2；Wherein: vertical slewing equipment 1 drives the quilt in calibration chamber 2 by rotary shaft
Calibration vector hydrophone 3 and standard hydrophone 4 uniform rotation, the bottom of calibration chamber 2 is provided with transmitting transducer 5, described by school
Quasi-vector hydrophone 3 and standard hydrophone 4 are connected with electrical switch 6 respectively, and after preamplifier 7 amplifies, by program control filter
Ripple device 8 is filtered, and is then sent through lock-in amplifier 9 read voltage value and phase value, and magnitude of voltage and the phase value of generation give meter
Calculation machine 10；Simultaneous computer 10 controls vertical slewing equipment 1 Rotating with Uniform, and then drive is calibrated vector hydrophone 3 and standard
Hydrophone 4 uniform rotation, the angle of revolution being calibrated vector hydrophone 3 and standard hydrophone 4 generation sends back computer in real time
10；Computer 10 controls programme-controlled signal source 11 and exports sinusoidal continuous signal, gives power amplifier 12 and is amplified, swashs further
Encourage transmitting transducer 5 and launch sound wave.
Further, also including that oscillograph 13, described oscillograph 13 are connected with programmable filter 8, school observed by oscillograph 13
During standard, signal waveform is the most normal.
Further, 8103 hydrophone that described standard hydrophone 4 produces for B&K company.
Further, the speed of gyration continuously adjustabe of described vertical slewing equipment 1, maximum speed of gyration is per minute 360
Degree.
Advantage of the present utility model: this vector hydrophone calibration system achieves the real time calibration to vector hydrophone, carries
High calibration efficiency, the reliability that improve calibration and accuracy, have good use value.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings and this utility model is described in further detail by embodiment.
Fig. 1 is that vector hydrophone calibrates system principle structural representation.
Detailed description of the invention
A kind of vector hydrophone calibration system, including vertical slewing equipment 1 and calibration chamber 2；Wherein: vertical slewing equipment 1
Driven by rotary shaft and be calibrated vector hydrophone 3 and standard hydrophone 4 uniform rotation, the bottom of calibration chamber 2 in calibration chamber 2
Be provided with transmitting transducer 5, described in be calibrated vector hydrophone 3 and standard hydrophone 4 is connected with electrical switch 6 respectively, and warp
After preamplifier 7 amplifies, programmable filter 8 it is filtered, is then sent through lock-in amplifier 9 read voltage value and phase value,
The magnitude of voltage and the phase value that produce give computer 10, it is achieved that magnitude of voltage error and the calibration of phase value.Meanwhile, Error Calculation
Machine 10 controls programme-controlled signal source 11 and exports sinusoidal continuous signal, gives power amplifier 12 and is amplified, encourages transmitting further
Sound wave launched by transducer 5, and computer 10 can achieve the calibration of sensitivity error according to calculation relational expression.
Simultaneous computer 10 controls vertical slewing equipment 1 Rotating with Uniform, and then drive is calibrated vector hydrophone 3 and standard
Hydrophone 4 uniform rotation, the angle of revolution being calibrated vector hydrophone 3 and standard hydrophone 4 generation sends back computer in real time
10, computer 10 completes the measurement of directivity error.Oscillograph 13 is connected with programmable filter 8, and oscillograph 13 is observed and calibrated
In journey, signal waveform is the most normal, it is ensured that the reliability of calibration process and accuracy.
It is understood that above with respect to specific descriptions of the present utility model, be merely to illustrate this utility model and not
It is limited to the technical scheme described by this utility model embodiment, it will be understood by those within the art that, the most permissible
This utility model is modified or equivalent, to reach identical technique effect；Needs are used, all in this reality as long as meeting
Within novel protection domain.
Claims (4)
1. a vector hydrophone calibration system, it is characterised in that: described vector hydrophone calibration system includes vertically turning round dress
Put (1) and calibration chamber (2)；Wherein: vertical slewing equipment (1) is driven by rotary shaft and is calibrated vector water in calibration chamber (2)
Listening device (3) and standard hydrophone (4) uniform rotation, the bottom of calibration chamber (2) is provided with transmitting transducer (5), described in be calibrated
Vector hydrophone (3) and standard hydrophone (4) are connected with electrical switch (6) respectively, and after preamplifier (7) amplifies, by
Programmable filter (8) is filtered, and is then sent through lock-in amplifier (9) read voltage value and phase value, the magnitude of voltage of generation and phase
Place value gives computer (10)；Simultaneous computer (10) controls vertical slewing equipment (1) Rotating with Uniform, and then drive is calibrated arrow
Amount hydrophone (3) and standard hydrophone (4) uniform rotation, is calibrated vector hydrophone (3) and standard hydrophone (4) produces time
Gyration sends back computer (10) in real time；Computer (10) controls the sinusoidal continuous signal of programme-controlled signal source (11) output, gives
Power amplifier (12) is amplified, and encourages transmitting transducer (5) to launch sound wave further.
2. according to described in claim 1 vector hydrophone calibration system, it is characterised in that: also include oscillograph (13), described in show
Ripple device (13) is connected with programmable filter (8), and it is the most normal that signal waveform in calibration process observed by oscillograph (13).
3. according to vector hydrophone calibration system described in claim 2, it is characterised in that: described standard hydrophone (4) is that B&K is public
8103 hydrophone that department produces.
4. according to vector hydrophone calibration system described in claim 2, it is characterised in that: returning of described vertical slewing equipment (1)
Rotary speed continuously adjustabe, maximum speed of gyration is 360 degree per minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620531544.5U CN205664930U (en) | 2016-06-05 | 2016-06-05 | Vector hydrophone calbiration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620531544.5U CN205664930U (en) | 2016-06-05 | 2016-06-05 | Vector hydrophone calbiration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664930U true CN205664930U (en) | 2016-10-26 |
Family
ID=57158497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620531544.5U Expired - Fee Related CN205664930U (en) | 2016-06-05 | 2016-06-05 | Vector hydrophone calbiration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205664930U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886015A (en) * | 2017-02-23 | 2017-06-23 | 山东科技大学 | A kind of detection means and detection method of multibeam sonar primary acoustic index |
| CN109060103A (en) * | 2018-07-22 | 2018-12-21 | 彭菁 | A kind of intelligent hydrophone with self checking, self-diagnostic function |
| CN109413560A (en) * | 2018-08-30 | 2019-03-01 | 南京粒子声学科技有限公司 | A kind of device for realizing vector sensor calibration using matching layer |
| CN110231082A (en) * | 2019-06-28 | 2019-09-13 | 中国船舶重工集团公司第七一九研究所 | A kind of calibration system of ship hydrophone |
-
2016
- 2016-06-05 CN CN201620531544.5U patent/CN205664930U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886015A (en) * | 2017-02-23 | 2017-06-23 | 山东科技大学 | A kind of detection means and detection method of multibeam sonar primary acoustic index |
| CN109060103A (en) * | 2018-07-22 | 2018-12-21 | 彭菁 | A kind of intelligent hydrophone with self checking, self-diagnostic function |
| CN109060103B (en) * | 2018-07-22 | 2020-08-04 | 山东海洋信息技术研究院 | Intelligent hydrophone with self-checking and self-diagnosis functions |
| CN109413560A (en) * | 2018-08-30 | 2019-03-01 | 南京粒子声学科技有限公司 | A kind of device for realizing vector sensor calibration using matching layer |
| CN110231082A (en) * | 2019-06-28 | 2019-09-13 | 中国船舶重工集团公司第七一九研究所 | A kind of calibration system of ship hydrophone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161026 Termination date: 20170605 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |