CN201034722Y - Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening - Google Patents
Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening Download PDFInfo
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- CN201034722Y CN201034722Y CNU2007201085549U CN200720108554U CN201034722Y CN 201034722 Y CN201034722 Y CN 201034722Y CN U2007201085549 U CNU2007201085549 U CN U2007201085549U CN 200720108554 U CN200720108554 U CN 200720108554U CN 201034722 Y CN201034722 Y CN 201034722Y
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- reflecting plate
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Abstract
The utility model discloses a measuring device of ultrasonic transducer acoustic beam diffusion angle, comprising an ultrasonic transducer arranged through the direction of cross axis XX' and a diffusion angle measuring display connected and matched with the transducer, one side of the ultrasonic transducer is provided with a signal reflecting plate, the signal reflecting plate can rotate around its central shaft, the ultrasonic transducer is directly toward to the centre of the signal reflecting plate. The utility model indirectly measures ultrasonic transmission emission acoustic beam sound field diffusion angle by measuring ultrasonic echo signal of the rotary signal reflecting plate, the device has the advantages of simple practicality, strong operation, convenient assembling and low price, which replaces the expensive imported equipment and can be widely used by ultrasonic subject teaching demonstration, ultrasonic technology application and ultrasonic transducer researching and producing field etc.. The device mainly solves the disadvantages of expensive price, complex structure and inconvenient measuring of prior device.
Description
Technical field
The utility model relates to a kind of measuring equipment of ultrasonic transducer, particularly relates to a kind of measurement mechanism of ultrasonic transducer acoustic beam spread angle.
Background technology
Ultrasonic technology is used widely in the national economy every field, and ultrasonic transducer is to produce hyperacoustic significant components, and the spread angle of the acoustic beam sound field that ultrasonic transducer is launched is one of important indicator of describing the ultrasonic transducer performance.Therefore, the demonstration and the measuring equipment of ultrasonic transducer transmitting probe emission acoustic beam sound field spread angle used at ultrasound wave course teaching, ultrasonic technology, ultrasonic transducer research and production, and is indispensable visual plant in the ultrasound wave theoretical research.But for various reasons, the present theoretical research teaching means of ultrasound wave subject and measure compare relative acoustics and neighboring discipline of demonstration equipment and want much weak, sound meter in the market is external import mostly, and cost an arm and a leg, complex structure, its frequency of operation also mainly is confined to the sound wave zone, can not satisfy the needs of hyperacoustic teaching demonstration and measurement.
Summary of the invention
In order to solve the problems of the technologies described above, it is a kind of simple and practical, cheap, convenient to disassembly that the utility model provides, and can adapt to the measurement mechanism of the ultrasonic transducer acoustic beam spread angle of various occasions.
The technical solution of the utility model is achieved in that a kind of measurement mechanism of ultrasonic transducer acoustic beam spread angle, it is characterized in that it comprises along the ultrasonic transducer of transverse axis XX ' direction setting and the coupled spread angle that matches measures display instrument, side at ultrasonic transducer is provided with the signal reflex plate, the signal reflex plate can be around the central shaft rotation of self, and ultrasonic transducer is over against the center of signal reflex plate.
As preferably, described signal reflex plate can be around its central shaft YY ' rotation.
As preferably, described signal reflex plate can be around its central shaft ZZ ' rotation.
The utility model beneficial effect is: used geometric acoustics principle, adopt the method for the ultrasonic echo signal of measuring rotatable signal reflex plate to measure ultrasonic transducer emission acoustic beam sound field spread angle indirectly, this device is simple and practical, workable, easy to loading and unloading, cheap, substitute expensive import equipment, can be widely used in fields such as the demonstration of ultrasound wave course teaching, ultrasonic technology application, ultrasonic transducer research and production.
Description of drawings
Fig. 1 is a principle schematic of the present utility model;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2.
Among the figure: 1, spread angle is measured display instrument 2, ultrasonic transducer 3, signal reflex plate 4, support 5, fixed bar
Embodiment
Embodiment of the present utility model is as follows:
Embodiment 1: as shown in Figure 1, the measurement mechanism of ultrasonic transducer acoustic beam spread angle of the present invention, comprise along transverse axis XX ' direction ultrasonic transducer 2 that is provided with and the spread angle measurement display instrument 1 that links to each other with ultrasonic transducer, ultrasonic transducer 2 and spread angle are measured display instrument 1 and are connected with separately power supply respectively again, described spread angle is measured display instrument 1 and is comprised display screen, ultrasonic signal generator and signal processing circuit, the function that signal processing circuit includes image data and handles, described ultrasonic signal generator all links to each other with ultrasonic transducer 2 with signal processing circuit, is being provided with signal reflex plate 3 over against ultrasonic transducer 2 one sides.Signal reflex plate 3 materials can adopt metal materials such as common iron or aluminium, as shown in Figure 2, in order to make measurement more accurate, ultrasonic transducer 2 is over against the center of signal reflex plate 3, be provided with a through hole in the center along signal reflex plate 3 bottoms, through hole is plugged on the support 4, support 4 overlaps with the central shaft YY ' of signal reflex plate 3, so can realize signal reflex plate 3 around support 4 rotations, the rotational angle parameter is Φ.
During use, opening power, signal generator in the spread angle measurement display instrument 1 sends signal and passes to ultrasonic transducer 2, ultrasonic transducer 2 sends ultrasound wave, a ultrasonic signal part is passed signal reflex plate 3, another part reflected back ultrasonic transducer 2, ultrasonic transducer 2 sends reflected signal to signal processing circuit again, signal processing circuit receives this part echoed signal, and handle, and the angular displacement parameter θ that will calculate gained is shown on the display screen, continue to regulate space relative angular displacement parameter Φ between ultrasonic transducer 2 and the signal reflex plate 3, echo reflection and signal processing repeat said process, when relative angular displacement parameter Φ in space between ultrasonic transducer 2 and the signal reflex plate 3 surpasses certain numerical value, ultrasonic transducer 2 can not receive an echo of signal reflex plate 3 reflections, the position of signal reflex this moment plate 3 is critical point, the numerical value of space relative angular displacement parameter Φ is critical value, so when signal reflex plate 3 turns to critical point, after signal processing circuit calculates angular displacement parameter θ, result of calculation is presented on the display screen, the angular displacement parameter θ of this moment is the acoustic beam sound field spread angle data that this ultrasonic transducer is launched in the current distance scope, principles of geometrical acoustics has been used in above-mentioned measurement, by those skilled in that art are known, constantly adjust the distance between ultrasonic transducer 2 and the signal reflex plate 3, repeat above-mentioned measuring process, repeatedly computing can draw sound field spread angle data more accurately.
Embodiment 2: as Fig. 1, shown in Figure 3, the measurement mechanism of ultrasonic transducer acoustic beam spread angle of the present invention, comprise along transverse axis XX ' direction ultrasonic transducer 2 that is provided with and the spread angle measurement display instrument 1 that links to each other with ultrasonic transducer, ultrasonic transducer 2 and spread angle are measured display instrument 1 and are connected with separately power supply respectively again, described spread angle is measured display instrument 1 and is comprised display screen, ultrasonic signal generator and signal processing circuit, the function that signal processing circuit includes image data and handles is being provided with signal reflex plate 3 over against ultrasonic transducer 2 one sides.Signal reflex plate 3 materials can adopt metal materials such as common iron or aluminium, in order to make measurement more accurate, ultrasonic transducer 2 is over against the center of signal reflex plate 3, be respectively equipped with two through holes in center along signal reflex plate 3 both sides, two through holes are plugged on the fixed bar 5 of support 4, fixed bar 5 overlaps with the central shaft ZZ ' of signal reflex plate 3, so can realize signal reflex plate 3 around revolving fixed bar 5 rotations, the rotational angle parameter is Φ.
During use, opening power, ultrasonic signal generator in the spread angle measurement display instrument 1 sends signal and passes to ultrasonic transducer 2, ultrasonic transducer 2 sends ultrasound wave, a ultrasonic signal part is passed signal reflex plate 3, another part reflected back ultrasonic transducer 2, ultrasonic transducer 2 sends reflected signal to signal processing circuit again, signal processing circuit receives this part echoed signal, and handle, and the angular displacement parameter θ that will calculate gained is shown on the display screen, continue to regulate space relative angular displacement parameter Φ between ultrasonic transducer 2 and the signal reflex plate 3, echo reflection and signal processing repeat said process, when relative angular displacement parameter Φ in space between ultrasonic transducer 2 and the signal reflex plate 3 surpasses certain numerical value, ultrasonic transducer 2 can not receive an echo of signal reflex plate 3 reflections, the position of signal reflex this moment plate 3 is critical point, the numerical value of space relative angular displacement parameter Φ is critical value, so when signal reflex plate 3 turns to critical point, after signal processing circuit calculates angular displacement parameter θ, result of calculation is presented on the display screen, the angular displacement parameter θ of this moment is the acoustic beam sound field spread angle data that this ultrasonic transducer is launched in the current distance scope, principles of geometrical acoustics has been used in above-mentioned measurement, by those skilled in that art are known, constantly adjust the distance between ultrasonic transducer 2 and the signal reflex plate 3, repeat above-mentioned measuring process, repeatedly computing can draw sound field spread angle data more accurately.
Claims (3)
1. the measurement mechanism of a ultrasonic transducer acoustic beam spread angle, it is characterized in that it comprises ultrasonic transducer (2) and the coupled spread angle measurement display instrument (1) that matches that is provided with along transverse axis XX ' direction, side at described ultrasonic transducer (2) is provided with signal reflex plate (3), signal reflex plate (3) can be around the central shaft rotation of self, and ultrasonic transducer (2) is over against the center of signal reflex plate (3).
2. the measurement mechanism of a kind of ultrasonic transducer acoustic beam spread angle according to claim 1 is characterized in that described signal reflex plate (3) can be around its central shaft YY ' rotation.
3. the measurement mechanism of a kind of ultrasonic transducer acoustic beam spread angle according to claim 1 is characterized in that described signal reflex plate (3) can be around its central shaft ZZ ' rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201085549U CN201034722Y (en) | 2007-04-25 | 2007-04-25 | Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201085549U CN201034722Y (en) | 2007-04-25 | 2007-04-25 | Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201034722Y true CN201034722Y (en) | 2008-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007201085549U Expired - Fee Related CN201034722Y (en) | 2007-04-25 | 2007-04-25 | Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening |
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| CN (1) | CN201034722Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783089B (en) * | 2009-12-31 | 2012-12-26 | 浙江机电职业技术学院 | Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate |
| CN105259259A (en) * | 2015-11-25 | 2016-01-20 | 华北电力科学研究院有限责任公司 | TOFD-12dB spread angle measuring tool and set thereof |
| CN105891617A (en) * | 2014-09-05 | 2016-08-24 | 济南希声计量技术有限公司 | Performance tester for supersonic transducer |
| WO2019119309A1 (en) * | 2017-12-20 | 2019-06-27 | 深圳先进技术研究院 | Test device and test method for ultrasonic transducer echo test |
| CN110849431A (en) * | 2019-12-10 | 2020-02-28 | 玉环市展帆机械有限公司 | Ultrasonic water meter and sound beam reflection device thereof |
-
2007
- 2007-04-25 CN CNU2007201085549U patent/CN201034722Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101783089B (en) * | 2009-12-31 | 2012-12-26 | 浙江机电职业技术学院 | Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate |
| CN105891617A (en) * | 2014-09-05 | 2016-08-24 | 济南希声计量技术有限公司 | Performance tester for supersonic transducer |
| CN105891617B (en) * | 2014-09-05 | 2018-11-16 | 济南希声计量技术有限公司 | A kind of ultrasonic transducer performance test apparatus |
| CN105259259A (en) * | 2015-11-25 | 2016-01-20 | 华北电力科学研究院有限责任公司 | TOFD-12dB spread angle measuring tool and set thereof |
| CN105259259B (en) * | 2015-11-25 | 2018-01-19 | 华北电力科学研究院有限责任公司 | A kind of TOFD 12dB diffusion angular measurement frocks and its external member |
| WO2019119309A1 (en) * | 2017-12-20 | 2019-06-27 | 深圳先进技术研究院 | Test device and test method for ultrasonic transducer echo test |
| CN110849431A (en) * | 2019-12-10 | 2020-02-28 | 玉环市展帆机械有限公司 | Ultrasonic water meter and sound beam reflection device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080312 Termination date: 20110425 |