CN101783089A - Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate - Google Patents
Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate Download PDFInfo
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- CN101783089A CN101783089A CN200910155681A CN200910155681A CN101783089A CN 101783089 A CN101783089 A CN 101783089A CN 200910155681 A CN200910155681 A CN 200910155681A CN 200910155681 A CN200910155681 A CN 200910155681A CN 101783089 A CN101783089 A CN 101783089A
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Abstract
The invention discloses a method and a device for regulating the emission surface of an ultrasonic transducer probe to be parallel to a reflecting plate. Two laser emitters are arranged at one side of the probe, and a laser receiving point sensor is correspondingly arranged on the reflecting plate. In actual application process, when the parallelism degree between the emission surface of the ultrasonic transducer probe and the ultrasonic reflecting plate deviates, and the upper, lower, left and right positions of the reflecting plate are repeatedly regulated till laser narrow beams emitted from the emission surface of the ultrasonic transducer probe realign to the laser receiving point sensor in the reflecting plate, thus the parallelism between the emission surface of the ultrasonic transducer probe and the reflecting plate can be determined. The invention has the advantages of convenient regulation, time and labor saving and high accuracy, reduces experiment preparation working intensity of instruction teachers and the experimental difficulty of students and improves the experimental efficiency and effect.
Description
Technical field
The present invention relates to ultrasonic transducer spread angle measurement mechanism, particularly relate to a kind ofly before measuring extended corner, regulate the ultrasonic transducer transmitting probe surface of emission and parallel method and the device of ultrasonic echo reflecting plate plane strictness.
Background technology
The patent No. is that the utility model patent of " CN200720108554.9 " discloses " a kind of measurement mechanism of ultrasonic transducer acoustic beam spread angle ", it has 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, be widely used in fields such as the demonstration of ultrasound wave course teaching, ultrasonic technology application, ultrasonic transducer research and production.
In ultrasonic transducer spread angle actual measurement process, must guarantee at first that the ultrasonic transducer probe surface of emission is parallel with the strictness of ultrasonic echo reflecting plate, could further carry out next step extended corner measuring process like this.As education experiment and teaching demonstration device, the method for wishing again when adjusting the ultrasonic transducer probe surface of emission with the reflecting plate depth of parallelism is directly perceived, accurate, save time.But the existing practice normally moves, rotates reflecting plate, calibrates parallelly by human eye, wastes time and energy and accurately reliable inadequately, has improved instructor's experiment preliminary work intensity and student's experiment difficulty, has reduced conventional efficient and effect.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of simple and practically, it is time saving and energy saving to adjust the ultrasonic transducer surface of emission and the ultrasonic echo reflecting plate depth of parallelism, reliably method and device accurately.
Technical scheme of the present invention is achieved in that
A kind of ultrasonic transducer probe surface of emission method parallel of adjusting with reflecting plate, comprise the steps: (1), in this side of ultrasonic transducer probe two generating lasers are installed, and the position of adjusting generating laser makes its emitted laser perpendicular to the probe surface of emission, correspondence is equipped with two laser pick-off point sensors on reflecting plate, at first adjust when the ultrasonic transducer probe surface of emission and reflecting plate initially when parallel, two laser pencils that generating laser sends are just in time aimed at two laser pick-off point sensors in the reflecting plate respectively; (2), in actual application, when the ultrasonic transducer probe surface of emission and the reflecting plate depth of parallelism depart from, the position of accommodation reflex plate all directions repeatedly, the laser beam of sending until two generating lasers is aimed at the laser pick-off point sensor in the reflecting plate again, can determine that the ultrasonic transducer probe surface of emission is parallel with reflecting plate.
As preferably, adjustment described in the step (1) when the initial parallel method of the ultrasonic transducer probe surface of emission and reflecting plate is: at first determine the startup ultrasonic transducer probe, the position of accommodation reflex plate repeatedly, and observe ultrasonic echo time of return delay data with oscillograph, after ultrasonic transducer probe central point and reflecting plate central point air line distance are determined, when the ultrasonic echo time of return is maximum, the reflecting plate present position is the ultrasonic transducer probe surface of emission and reflecting plate parallel position, thereby determines that the ultrasonic transducer probe surface of emission is initially parallel with reflecting plate.
A kind of ultrasonic transducer probe surface of emission device parallel of adjusting with reflecting plate, comprise ultrasonic transducer probe, side at described probe is provided with reflecting plate, the bottom centre of described reflecting plate connects support bar, reflecting plate is around the central shaft rotation of support bar, also comprise two vertical generating lasers of the emitted laser Shu Junyu of the institute ultrasonic transducer probe surface of emission, the corresponding laser pick-off point sensor that receives generating laser institute emission of lasering beam that is provided with on reflecting plate, described support bar bottom connects the regulating device that support bar is tilted to any direction.
As preferably, described regulating device comprises a base, on base, be provided with the spherical groove of a upper end open, in spherical groove, be provided with the universal ball that freely rotates, described support bar is exposed to the outer outside surface of spherical groove with universal ball fixedlys connected, and also is provided with the latch mechanism that the restriction universal ball rotates on this regulating device.The parallel visible laser of generating laser output two-way, the method that detects by an unaided eye and combine with Laser Measurement acceptance point sensor output signal, the careful adjustment rotated reflecting plate, aim at the laser pick-off point sensor until laser beam, at this moment laser pick-off point sensor output received signal, the parallel adjustment with reflecting plate of the ultrasonic transducer probe surface of emission is at this moment finished.
As preferably, described latch mechanism is equipped with screw for be provided with the threaded hole that is communicated with base exterior and spherical groove on base in threaded hole.When adjusting the ultrasonic transducer probe surface of emission when parallel with reflecting plate, can tighten screw inwards, the other end of screw props up universal ball, and it can not rotated.
As preferably, between reflecting plate and regulating device, also be provided with stepper motor, described support bar is the output shaft of stepper motor, fixedly connected with regulating device in the bottom of stepper motor.The effect of stepper motor is after adjusting the ultrasonic transducer probe surface of emission and reflecting plate is parallel, and in order to measure the usefulness of acoustic beam spread angle, it can accurately control the anglec of rotation of support bar, makes the experiment accuracy rate improve greatly.
For attractive in appearance and be beneficial to and measure parallelly, as preferably, described generating laser is symmetricly set on the left and right sides of ultrasonic transducer probe.
More accurate when adjusting the depth of parallelism in order to make, as preferably, the ultrasonic emitting face of the generating laser of described generating laser and ultrasonic transducer probe is on the same plane.
Beneficial effect of the present invention is: the present invention is in making ultrasonic transducer acoustic beam spread angle measurement mechanism, at first guarantee when the ultrasonic transducer probe surface of emission and ultrasonic reflections plate initially when parallel in debug process, two laser pencils that generating laser sends are just in time aimed at two laser pick-off point sensors in the reflecting plate respectively.Like this, in actual application, when the ultrasonic transducer probe surface of emission and the ultrasonic reflections plate depth of parallelism depart from, repeatedly the accommodation reflex plate about, position, the left and right sides, the laser pencil that sends until the ultrasonic transducer probe surface of emission is aimed at the laser pick-off point sensor in the reflecting plate again, can determine that the ultrasonic transducer probe surface of emission is parallel with reflecting plate.
This device has easy to adjust, and is time saving and energy saving, advantage of high accuracy; Simultaneously, the operation of adjusting realizes " see with, can " to the ultrasonic transducer plane and the ultrasonic signal reflecting plate depth of parallelism when preparing and implementing the ultrasonic applications experiment to make instructor and student, reach and operate simple and clear, practical and reliable purpose, reduce instructor's experiment preliminary work intensity and student's experiment difficulty, improve conventional efficient and effect.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention;
Fig. 2 is the structural representation of regulating device.
Embodiment
The specific embodiment of the present invention is as follows:
Embodiment: a kind of ultrasonic transducer probe surface of emission method parallel with reflecting plate of adjusting comprises the steps:
(1), in this side of ultrasonic transducer probe two generating lasers are installed, and the position of adjusting generating laser makes its emitted laser perpendicular to the probe surface of emission, correspondence is equipped with two laser pick-off point sensors on reflecting plate, at first adjust when the ultrasonic transducer probe surface of emission and reflecting plate initially when parallel, two laser pencils that generating laser sends are just in time aimed at two laser pick-off point sensors in the reflecting plate respectively; Initial parallel method of adjustment is as follows: start ultrasonic transducer probe, ultrasonic transducer probe connects oscillograph, the position of accommodation reflex plate repeatedly, and observe ultrasonic echo time of return delay data with oscillograph, after ultrasonic transducer probe central point and reflecting plate central point air line distance are determined, when the ultrasonic echo time of return is maximum, the reflecting plate present position is the ultrasonic transducer probe surface of emission and reflecting plate parallel position, thereby determines that the ultrasonic transducer probe surface of emission is initially parallel with reflecting plate;
(2), in actual application, when the ultrasonic transducer probe surface of emission and the reflecting plate depth of parallelism depart from, the position of accommodation reflex plate all directions repeatedly, the laser beam of sending until two generating lasers is aimed at the laser pick-off point sensor in the reflecting plate again, can determine that the ultrasonic transducer probe surface of emission is parallel with reflecting plate.
As shown in Figure 1, adjust the ultrasonic transducer probe surface of emission device parallel with reflecting plate, comprise ultrasonic transducer probe 1, described ultrasonic probe 1 is fixed on the support plate 5, the ultrasonic emitting face of ultrasonic probe 1 and the outer surface of support plate 5 are on same plane, the ultrasonic probe surface of emission is meant hyperacoustic of emission, side at described probe 1 is provided with reflecting plate 2, reflecting plate 2 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 reflecting plate 2, the bottom centre of described reflecting plate 2 has axis hole, grafting support bar 6 in axis hole, reflecting plate 2 is around the central shaft YY ' of support bar 6 rotation, two vertical generating lasers 3 of the emitted laser Shu Junyu of the institute ultrasonic transducer probe surface of emission are installed on support plate 5, described generating laser 3 connects Laser Driven power supply (not shown), described generating laser 3 is provided with over against reflecting plate 2, described generating laser 3 is symmetricly set on the left and right sides of ultrasonic transducer probe 1, the ultrasonic emitting face of the laser emitting surface of described generating laser 3 and ultrasonic transducer probe 1 is on the same plane, the corresponding laser pick-off point sensor 4 that receives 3 emission of lasering beam of generating laser that is provided with on reflecting plate 2, described support bar 6 bottoms connect the regulating device that support bar 6 is tilted to any direction.
As shown in Figure 2, described regulating device comprises a base 7, on base 7, be provided with the spherical groove 8 of a upper end open, in spherical groove 8, be provided with the universal ball 9 that freely rotates, between reflecting plate 2 and regulating device, also be provided with stepper motor 11, described support bar 6 is the output shaft of stepper motor 11, and support bar 6 is connected with the axis hole close-fitting of reflecting plate 2 bottom centre, and the bottom of stepper motor 11 is exposed to the outer outside surface of spherical groove with universal ball 9 and fixedlys connected; Also be provided with the latch mechanism that restriction universal ball 9 rotates on this regulating device, described latch mechanism is for being provided with the threaded hole that is communicated with base exterior and spherical groove 8 on base 7, in threaded hole, be equipped with screw 10, behind the position of adjusting reflecting plate 2, tighten screw 10, make the other end of screw 10 prop up universal ball 9, be fixed.
In actual application, calibration steps of the present invention is as follows, open the Laser Driven power supply, make the parallel visible laser of generating laser output two-way, unclamp the locking mechanism of the regulating device below the reflecting plate, promptly unclamp screw, the method that detects by an unaided eye and combine with Laser Measurement acceptance point sensor output signal, about the careful adjustment activity reflecting plate, about etc. the anglec of rotation of all directions, aim at the laser pick-off point sensor until laser beam, at this moment, the laser pick-off point sensor sends corresponding light, electric signal, show that the ultrasonic transducer probe surface of emission is parallel with reflecting plate, tighten screw then, depth of parallelism adjustment process finishes.
Though adjust when the ultrasonic transducer probe surface of emission and reflecting plate initial when parallel, adopted with oscillograph observe the ultrasonic echo time of return determine the probe surface of emission parallel with reflecting plate also be a kind of method, but its adjustment is very complicated loaded down with trivial details, and difficulty is bigger, so only be applicable to initial parallel adjustment; In actual application, adopt the method for above-mentioned initial parallel adjustment easy inadequately rather again, do not allow on the time, so be inapplicable yet.The present invention is after initial parallel adjustment, and in actual application, the method that adopts visual inspection to combine with Laser Measurement acceptance point sensor output signal is carefully adjusted the rotation reflecting plate and determined that the ultrasonic transducer probe surface of emission is parallel with reflecting plate.This method is comparatively easy, and is time saving and energy saving, and accuracy is also very high.
Claims (8)
1. adjust the ultrasonic transducer probe surface of emission method parallel for one kind with reflecting plate, it is characterized in that comprising the steps: (1), in this side of ultrasonic transducer probe two generating lasers are installed, and the position of adjusting generating laser makes its emitted laser perpendicular to the probe surface of emission, correspondence is equipped with two laser pick-off point sensors on reflecting plate, at first adjust when the ultrasonic transducer probe surface of emission and reflecting plate initially when parallel, two laser pencils that generating laser sends are just in time aimed at two laser pick-off point sensors in the reflecting plate respectively; (2), in actual application, when the ultrasonic transducer probe surface of emission and the reflecting plate depth of parallelism depart from, the position of accommodation reflex plate all directions repeatedly, the laser beam of sending until two generating lasers is aimed at the laser pick-off point sensor in the reflecting plate again, can determine that the ultrasonic transducer probe surface of emission is parallel with reflecting plate.
2. the adjustment ultrasonic transducer probe surface of emission according to claim 1 method parallel with reflecting plate, it is characterized in that, adjustment described in the step (1) when the initial parallel method of the ultrasonic transducer probe surface of emission and reflecting plate is: the startup ultrasonic transducer probe, the position of accommodation reflex plate repeatedly, and observe ultrasonic echo time of return delay data with oscillograph, after ultrasonic transducer probe central point and reflecting plate central point air line distance are determined, when the ultrasonic echo time of return is maximum, the reflecting plate present position is the ultrasonic transducer probe surface of emission and reflecting plate parallel position, thereby determines that the ultrasonic transducer probe surface of emission is initially parallel with reflecting plate.
3. adjust the ultrasonic transducer probe surface of emission device parallel for one kind with reflecting plate, comprise ultrasonic transducer probe (1), side at described probe (1) is provided with reflecting plate (2), the bottom centre of described reflecting plate (2) connects support bar, reflecting plate (2) is around the central shaft rotation of support bar (6), it is characterized in that: also comprise two vertical generating lasers (3) of the emitted laser Shu Junyu of the institute ultrasonic transducer probe surface of emission, go up correspondence at reflecting plate (2) and be provided with the laser pick-off point sensor (4) that receives generating laser institute emission of lasering beam, described support bar (6) bottom connects the regulating device that support bar is tilted to any direction.
4. the adjustment ultrasonic transducer probe surface of emission according to claim 3 device parallel with reflecting plate, it is characterized in that: described regulating device comprises a base (7), on base (7), be provided with the spherical groove (8) of a upper end open, in spherical groove (8), be provided with the universal ball (9) that freely rotates, described support bar (6) is exposed to the outer outside surface of spherical groove with universal ball (9) fixedlys connected, and also is provided with the latch mechanism that the restriction universal ball rotates on this regulating device.
5. the adjustment ultrasonic transducer probe surface of emission according to claim 4 device parallel with reflecting plate, it is characterized in that: described latch mechanism is equipped with screw (10) for be provided with the threaded hole that is communicated with base exterior and spherical groove on base in threaded hole.
6. according to claim 3 or the 4 or 5 described adjustment ultrasonic transducer probe surface of emissions device parallel with reflecting plate, it is characterized in that: between reflecting plate (2) and regulating device, also be provided with stepper motor (11), described support bar (6) is the output shaft of stepper motor, fixedlys connected with regulating device in the bottom of stepper motor (11).
7. the adjustment ultrasonic transducer probe surface of emission according to claim 3 device parallel with reflecting plate, it is characterized in that: described generating laser (3) is symmetricly set on the left and right sides of ultrasonic transducer probe (1).
8. according to claim 3 or the 7 described adjustment ultrasonic transducer probe surface of emissions device parallel with reflecting plate, it is characterized in that: the ultrasonic emitting face of the laser emitting surface of described generating laser (3) and ultrasonic transducer probe (1) is on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910155681 CN101783089B (en) | 2009-12-31 | 2009-12-31 | Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910155681 CN101783089B (en) | 2009-12-31 | 2009-12-31 | Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate |
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| Publication Number | Publication Date |
|---|---|
| CN101783089A true CN101783089A (en) | 2010-07-21 |
| CN101783089B CN101783089B (en) | 2012-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910155681 Expired - Fee Related CN101783089B (en) | 2009-12-31 | 2009-12-31 | Method and device for regulating emission surface of ultrasonic transducer probe to be parallel to reflecting plate |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445896A (en) * | 2014-09-30 | 2016-03-30 | 海信集团有限公司 | Reflector adjusting device |
| CN106018421A (en) * | 2016-07-07 | 2016-10-12 | 李大伟 | Method for adjusting surface of plane component to be parallel to motion plane |
| CN108956761A (en) * | 2017-05-23 | 2018-12-07 | 浙江工商职业技术学院 | Steel plate all standing ultrasonic detection device and method |
| CN109188442A (en) * | 2018-10-24 | 2019-01-11 | 广东工业大学 | A kind of electric vehicle tachymeter based on frequency-difference method |
| CN109945908A (en) * | 2017-12-20 | 2019-06-28 | 深圳先进技术研究院 | A kind of test device and test method for ultrasonic transducer echo test |
| CN110744087A (en) * | 2019-11-06 | 2020-02-04 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN111678587A (en) * | 2020-06-23 | 2020-09-18 | 同济大学 | Device and method for measuring focal domain and sensitivity of self-focusing ultrasonic transducer |
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| CN2552562Y (en) * | 2002-06-07 | 2003-05-28 | 蔡柏荣 | Laser club for golf |
| CN201034722Y (en) * | 2007-04-25 | 2008-03-12 | 鲍小南 | Measurement mechanism of ultrasonic wave transducer acoustic beam angle of widening |
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- 2009-12-31 CN CN 200910155681 patent/CN101783089B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445896A (en) * | 2014-09-30 | 2016-03-30 | 海信集团有限公司 | Reflector adjusting device |
| CN106018421A (en) * | 2016-07-07 | 2016-10-12 | 李大伟 | Method for adjusting surface of plane component to be parallel to motion plane |
| CN106018421B (en) * | 2016-07-07 | 2019-03-08 | 脉泽(苏州)智能***技术有限公司 | Adjust the plane component surface method parallel with plane of movement |
| CN108956761A (en) * | 2017-05-23 | 2018-12-07 | 浙江工商职业技术学院 | Steel plate all standing ultrasonic detection device and method |
| CN108956761B (en) * | 2017-05-23 | 2020-12-25 | 浙江工商职业技术学院 | Steel plate full-coverage ultrasonic detection device and method |
| CN109945908A (en) * | 2017-12-20 | 2019-06-28 | 深圳先进技术研究院 | A kind of test device and test method for ultrasonic transducer echo test |
| CN109188442A (en) * | 2018-10-24 | 2019-01-11 | 广东工业大学 | A kind of electric vehicle tachymeter based on frequency-difference method |
| CN110744087A (en) * | 2019-11-06 | 2020-02-04 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN110744087B (en) * | 2019-11-06 | 2020-11-13 | 江苏科技大学 | Flexible machining tool and method for machining radial hole of cylinder cover of marine diesel engine |
| CN111678587A (en) * | 2020-06-23 | 2020-09-18 | 同济大学 | Device and method for measuring focal domain and sensitivity of self-focusing ultrasonic transducer |
| CN111678587B (en) * | 2020-06-23 | 2021-09-03 | 同济大学 | Method for measuring focal domain and sensitivity of self-focusing ultrasonic transducer |
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| CN101783089B (en) | 2012-12-26 |
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