CN105424173A - Underwater space sound field measurement and visualization system and modeling and cleaning method thereof - Google Patents
Underwater space sound field measurement and visualization system and modeling and cleaning method thereof Download PDFInfo
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- CN105424173A CN105424173A CN201510998914.6A CN201510998914A CN105424173A CN 105424173 A CN105424173 A CN 105424173A CN 201510998914 A CN201510998914 A CN 201510998914A CN 105424173 A CN105424173 A CN 105424173A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
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- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
The invention relates to an underwater space sound field measurement and visualization system and a modeling and cleaning method thereof. The underwater space sound field measurement and visualization system comprises an upper computer, an ultrasonic energy transducer and a hydrophone which are arranged in underwater space and respectively used for transmitting and receiving ultrasonic signals, and a displacement device which is controlled by the upper computer and used for adjusting the position of the hydrophone. The upper computer is suitable for controlling the displacement device to drive the hydrophone to move in the underwater space and performing three-dimensional scanning on underwater scenes and then converting the ultrasonic signals obtained through three-dimensional scanning into three-dimensional scenes through a visualization processing module. Three-dimensional scanning of the whole irregular underwater space is realized and displayed in the three-dimensional scenes so that visual performance of sound intensity distribution of an underwater three-dimensional sound field can be enhanced and the effect of ultrasonic waves can be enhanced.
Description
Technical field
The present invention relates to acoustics and electronic communication field, particularly relate to acoustic field in a kind of hydrospace and visualization system and modeling method thereof.
Background technology
Power ultrasonic is more prevalent in the application in cleaning field, and the application in water treatment is also in the critical period of fundamental research to application.Be no matter cleaning or water treatment, the efficiency improving power ultrasonic is an important proposition.And the efficiency of power ultrasonic will be improved, the distribution situation of sound field in water will be understood, the distribution situation of sound field is determined jointly by the reactor (tank) of different transducer and different geometries, therefore study the distribution situation of different transducer sound field in the reactor (tank) of different geometries, be conducive to optimizing reaction unit, improving ultrasonication efficiency.
Summary of the invention
The object of this invention is to provide acoustic field in a kind of hydrospace and visualization system and modeling method thereof, to realize presenting three-dimensional scenic to irregular hydrospace.
In order to solve the problems of the technologies described above, the invention provides the acoustic field in a kind of hydrospace and visualization system, comprising: host computer, the ultrasonic transducer being positioned at hydrospace and nautical receiving set, be respectively used to transmitting, received ultrasonic signal; And by described PC control and gearshift for regulating hydrophone position; Described host computer is suitable for command displacement device and drives nautical receiving set to move in space under water, to carry out 3-D scanning to scene under water, then by visualization processing module, the ultrasonic signal obtained through 3-D scanning is converted into three-dimensional scenic.
Further, described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, this ultrasonic transduction driving circuit is driving high frequency discharge circuit, and its ultra-weak electronic signal being suitable for ultrasonic transducer to change out carries out denoising and goes to disturb rear amplification; Described ultrasonic transducer is piezoelectric type ultrasonic transducer.
Further, institute's displacement apparatus is driven by the microcontroller be connected with host computer; Institute's displacement apparatus comprises: three are respectively used to control the stepper motor of nautical receiving set along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively; And described microcontroller is suitable for receiving the steering order that sends of host computer to produce corresponding PWM pulse-width signal to coordinate the motion of each stepper motor, and then realize initial to nautical receiving set, to stop measuring position and measuring route and translational speed control.
Further, the output terminal of described nautical receiving set is connected with host computer by signal condition amplifying circuit, A/D modular converter successively, wherein A/D modular converter is AC8864 high-speed data acquisition card, and it is suitable for that the simulating signal of nautical receiving set collection is converted into digital signal and is sent to host computer.
Further, described signal condition amplifying circuit Circuit tuning comprises adjustment high frequency discharge circuit, this adjustment high frequency discharge circuit comprises: the voltage follower circuit be connected with nautical receiving set, the output terminal of this voltage follower is as the positive output end of described adjustment high frequency discharge circuit, and the output terminal of described voltage follower also scaling circuit anti-phase be connected, the output terminal of this anti-phase scaling circuit is as the negative output terminal of described adjustment high frequency discharge circuit; The positive and negative output terminal of described adjustment high frequency discharge circuit is connected with the respective input of described A/D modular converter respectively.
Further, described acoustic field and visualization system also comprise: the power module be connected with ultrasonic transduction driver module, and this power module is suitable for providing 12V voltage and ± 5V voltage; Wherein said positive 12V voltage is suitable for powering to ultrasonic transducer driving circuit; Described ± 5V voltage is suitable for powering to signal condition amplification circuit module.
Another aspect, present invention also offers a kind of hydrospace modeling method based on acoustic field and visualization system, comprises the steps:
Step S1, launches ultrasonic signal by ultrasonic transducer;
Step S2, drives nautical receiving set to move in space under water by PC control gearshift, to carry out 3-D scanning to scene under water; And
Step S3, by visualization processing module, is converted into three-dimensional scenic by the ultrasonic signal obtained through 3-D scanning.
Further, described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, this ultrasonic transduction driving circuit is high frequency discharge circuit, and described ultrasonic transducer is piezoelectric type ultrasonic transducer.
Further, institute's displacement apparatus is driven by the microcontroller be connected with host computer; Institute's displacement apparatus comprises: three are respectively used to control the stepper motor of nautical receiving set along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively; Described microcontroller is suitable for receiving host computer and sends steering order with the corresponding PWM pulse-width signal produced to coordinate the motion of each stepper motor, and then realizes initial to nautical receiving set, to stop measuring position and measuring route and translational speed control.
Further, the output terminal of described nautical receiving set is connected with host computer by signal condition amplifying circuit, A/D modular converter successively, wherein A/D modular converter is AC8864 high-speed data acquisition card, and it is suitable for that the simulating signal of nautical receiving set collection is converted into digital signal and is sent to host computer.
The third aspect, present invention also offers a kind of clean method under water based on acoustic field and visualization system, combines, to improve Ultrasonic Cleaning effect by the working strength of underwater 3 D scene with the ultrasound wave working strength of ultrasonic transducer.
In order to solve the problems of the technologies described above, the invention provides a kind of clean method under water based on acoustic field and visualization system, by the acoustic field in hydrospace and visualization system generation three-dimensional scenic under water, and control the ultrasound wave working strength of ultrasonic transducer according to described three-dimensional scenic.
The invention has the beneficial effects as follows, acoustic field in hydrospace of the present invention and visualization system and modeling method thereof, realize the 3-D scanning to whole irregular hydrospace, and by the interval between points of the starting point of host computer specified measurement and terminal, the speed of measurement, the path of nautical receiving set movement and measurement, improve the dirigibility of measurement; And the data of collection are carried out visualization processing through LabVIEW, present with three-dimensional scenic, improve the intuitive of the sound intensity distribution of underwater 3 D sound field, thus improve hyperacoustic effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural drawing of acoustic field in hydrospace of the present invention and visualization system;
Fig. 2 is the circuit diagram of signal condition amplifying circuit of the present invention;
Fig. 3 is the schematic diagram of the hydrospace modeling method based on acoustic field and visualization system of the present invention.
In figure: the stepper motor 201 of ultrasonic transducer 101, nautical receiving set 102, gearshift 2, X-direction movement, the stepper motor 202 of Y direction movement, the stepper motor 203 of Z-direction movement, tank 3.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment 1
As shown in Figure 1, the acoustic field in hydrospace of the present invention and visualization system, comprising: host computer, the ultrasonic transducer 101 being positioned at hydrospace and nautical receiving set 102, is respectively used to transmitting, received ultrasonic signal; And by described PC control and gearshift 2 for regulating hydrophone position; Described host computer is suitable for command displacement device 2 and drives nautical receiving set 102 to move in space under water, to carry out 3-D scanning to scene under water, then by visualization processing module, the ultrasonic signal obtained through 3-D scanning is converted into three-dimensional scenic.
Wherein, the ultrasonic signal obtained through 3-D scanning is converted into visualized graphs such as but not limited to three-dimensional scenic by described host computer.Concrete, visualization processing module realizes such as but not limited to employing LabVIEW, namely visualization processing module is built by LabVIEW, come ultrasonic signal collection (i.e. 3-D scanning) by the movement of nautical receiving set, this ultrasonic signal (3-D scanning obtain ultrasonic signal) sends under water for ultrasonic transducer 101, and the ultrasonic signal returned by scene reflectivity under water, visualization processing module realizes the three-dimensional scenic conversion of scene under water by gathering ultrasonic signal, and then realizes visualization processing.
And, because ultrasonic transducer 101 and nautical receiving set 102 adopt independent mutually setting, be applicable to the hydrospace of various different geometries, the data gathered are after visualization processing, to the analysis of underwateracoustic field characteristic and rule after convenient, study the characteristic distributions of the sound intensity of underwater 3 D sound field by combining the data measured and sound field characteristic.
Optionally, the frequency of operation of described nautical receiving set 102 is 7Hz-80kHz, receiving sensitivity >=-210dB, directive property: horizontal omnidirectional, sampling rate 7Hz ~ 80kHz, receives dynamic range >=80dB, measuring accuracy ± 1.5dB, power supply DC5V, 600mA, size (diameter * height) 43 × 250mm.
Described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer 101, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, this ultrasonic transduction driving circuit is driving high frequency discharge circuit, and its ultra-weak electronic signal being suitable for ultrasonic transducer 101 to change out carries out denoising and goes to disturb rear amplification; Described ultrasonic transducer 101 is piezoelectric type ultrasonic transducer.Further, described host computer can control the working strength of ultrasonic transducer 101 by the three-dimensional scenic built, to improve the underwater cleaning effect of ultrasonic transducer 101.
Preferably, the driving chip of ultrasonic transduction driving circuit is such as but not limited to employing TPS2811 driving chip, power supply DC power is brought up to the power that can drive load circuit by this driving chip under the control of input signal, powerful as far as possible object is provided to be reached for load, this chip can provide the drive current of 2A, has good driving force.
Institute's displacement apparatus 2 is driven by the microcontroller be connected with host computer; Institute's displacement apparatus 2 comprises: three are respectively used to control the stepper motor of nautical receiving set 102 along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively; And described microcontroller is suitable for receiving the steering order that sends of host computer to produce corresponding PWM pulse-width signal to coordinate the motion of each stepper motor, and then realize initial to nautical receiving set 102, to stop measuring position and measuring route and translational speed control.
Preferably, described microcontroller is such as but not limited to employing single-chip microcomputer MSP430F149, use 3.3V DC-voltage supply, the frequency that the host computer received produces PWM pulse-width signal is 15-30kHz, is carried out the speed of control step electric machine rotation by the segmentation in the frequency of PWM pulse-width signal and stepper motor driver.
Concrete, acoustic field in hydrospace of the present invention and visualization system send corresponding PWM pulse-width signal to the microcontroller of gearshift 2 by host computer, three stepper motors coordinated by microcontroller makes nautical receiving set 102 move along X, Y, Z axis direction, realize initial to nautical receiving set 102, to stop measuring position and measuring route and translational speed control, gather ultrasonic signal to carry out 3-D scanning to scene under water.Optionally, stepper motor adopts two-phase hybrid stepping motor, and have efficiency high, electric current is little, generates heat low, the feature that precision is high.Step angle is 1.8 °, and use driver segmentation, step angle can be subdivided and reach 256 times, and due to the reason such as friction force and manufacturing accuracy, working control precision may be lower slightly.
The output terminal of described nautical receiving set 102 is connected with host computer by signal condition amplifying circuit, A/D modular converter successively, wherein A/D modular converter is AC8864 high-speed data acquisition card, and it is suitable for that the simulating signal that nautical receiving set 102 gathers is converted into digital signal and is sent to host computer.
A/D modular converter, mainly the simulating signal of collection is converted into digital signal, and pass to computer, facilitate next step process, select the high-resolution data collecting card AC6684 of high sampling rate as A/D conversion module, AC6684 is parallel 12 the 40MHz memory-type A/D plates in a two tunnels, RAM capacity 512K sampled point/passage, adopt 365PCI interface chip and gate array as main control chip, the input of gate array control simulation, sampling, modulating output and switching value, above characteristic can meet the collection demand of system reality and the Control on Communication with host computer.
The corresponding scheme of prior art can be adopted to realize as described signal condition amplifying circuit Circuit tuning, following embodiment also can be adopted to realize.
As shown in Figure 2, described signal condition amplifying circuit Circuit tuning comprises adjustment high frequency discharge circuit, this adjustment high frequency discharge circuit comprises: the voltage follower circuit (namely Uin mouth inputs from Fig. 2) be connected with nautical receiving set, the output terminal of this voltage follower is as the positive output end of described adjustment high frequency discharge circuit, and the output terminal of described voltage follower also scaling circuit anti-phase be connected, the output terminal of this anti-phase scaling circuit is as the negative output terminal of described adjustment high frequency discharge circuit; The positive and negative output terminal (i.e. Uout in Fig. 2) of described adjustment high frequency discharge circuit is connected with the respective input (positive and negative input end) of described A/D modular converter respectively.Further, voltage follower is connected altogether with nautical receiving set, and anti-phase scale operation and A/D modular converter are for being electrically connected.
Described signal condition amplifying circuit Circuit tuning mainly completes amplification, the function such as isolation and filtering of simulating signal, the isoparametric consideration of comprehensive switching rate, unity gain bandwidth, common-mode rejection ratio, maximum output current, equivalent input noise voltage and degree of distortion, select the high speed amplifier AD827 of TI company to build voltage follower and anti-phase scaling circuit, its gain bandwidth (GB) is up to 50MHz, switching rate reaches 300V/us, cost is low, can single/dual power supply, containing two discharge circuits in chip, can in parallelly use.
Concrete, the forward being stablized nautical receiving set by described voltage follower circuit gathers magnitude of voltage, made the voltage of the negative output terminal of adjustment high frequency discharge circuit reduce by anti-phase scaling circuit, and then improve the output voltage range of whole high frequency discharge circuit, this adjustment high frequency discharge circuit effectively raises signal acquisition range, is particularly suitable for gathering feeble signal.
Described acoustic field and visualization system also comprise: the power module be connected with ultrasonic transduction driver module, and this power module is suitable for providing 12V voltage and ± 5V voltage; Wherein said positive 12V voltage is suitable for ultrasonic transducer 101 drive circuitry; Described ± 5V voltage is suitable for powering to signal condition amplification circuit module.
Preferably, the power module of 12V voltage is provided to adopt 7812 voltage stabilizing chips; The power module of positive 5V voltage is provided to adopt 7805 voltage stabilizing chips; The power module of negative 5V voltage is provided to adopt 7809 voltage stabilizing chips.
Embodiment 2
As shown in Figure 1 to Figure 3, on embodiment 1 basis, present invention also offers a kind of hydrospace modeling method based on acoustic field and visualization system, comprise the steps:
Step S1, launches ultrasonic signal by ultrasonic transducer 101;
Step S2, drives nautical receiving set 102 to move in space under water by PC control gearshift 2, to carry out 3-D scanning to scene under water; And
Step S3, by visualization processing module, is converted into three-dimensional scenic by the ultrasonic signal obtained through 3-D scanning.
Described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer 101, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, this ultrasonic transduction driving circuit is high frequency discharge circuit, and described ultrasonic transducer 101 is piezoelectric type ultrasonic transducer 101.
Institute's displacement apparatus 2 is driven by the microcontroller be connected with host computer; Institute's displacement apparatus 2 comprises: three are respectively used to control the stepper motor of nautical receiving set 102 along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively; Described microcontroller is suitable for receiving the steering order that sends of host computer to produce corresponding PWM pulse-width signal to coordinate the motion of each stepper motor, and then realizes initial to nautical receiving set 102, to stop measuring position and measuring route and translational speed control.
The output terminal of described nautical receiving set 102 is connected with host computer by signal condition amplifying circuit, A/D modular converter successively, wherein A/D modular converter is AC8864 high-speed data acquisition card, and it is suitable for that the simulating signal that nautical receiving set 102 gathers is converted into digital signal and is sent to host computer.
The present invention utilizes ultrasonic transduction driving circuit to drive ultrasound emission transducer to launch ultrasonic signal in the bottom (under water) of tank 3, the parameter in the underwater 3 D space that host computer gathers as required adjusts the path measuring starting point, terminal, picking rate and collection, then communicate with microcontroller, by the ultrasonic sound field parameter of microprocessor controls with the mobile collection irregular three-D space under water of the stepper motor of ultrasonic reception transducer probe, obtain the acoustic field signal data in this region, then operation amplifier is carried out to signal and carries out AD conversion; Then sending it back host computer by measuring the data obtained, finally utilizing LabVIEW to carry out visualization processing to data.The present invention can realize the measurement to the sound field characteristic in irregular three-D space under water, the profile of scanning space and size design scanning pattern flexibly as required, system is made to have versatility and dirigibility, separate between measurement mechanism and measured object, be applicable to the hydrospace of various different geometries, the data gathered are after visualization processing, to the analysis of underwateracoustic field characteristic and rule after convenient, study the characteristic distributions of the sound intensity of underwater 3 D sound field by combining the data measured and sound field characteristic.
In sum, acoustic field in a kind of hydrospace that the present invention relates to and visualization system and modeling method thereof, effective Binding experiment data acquisition and analysis of experimental data are in one, have simple to operate, flexibility ratio is high, universality is strong, separate between ultrasonic transducer 101 and nautical receiving set 102, be applicable to the hydrospace of various different geometries, after data carry out visualization processing, and undertaken showing, storing and analyze data by host computer, contribute to the intuitive analysis of experimenter, be conducive to the regularity of distribution of probing into underwater 3 D sound field.
Embodiment 3
On the basis of embodiment 1 and 2, present invention also offers embodiment 3, i.e. a kind of clean method under water based on acoustic field and visualization system, by the acoustic field in hydrospace and visualization system generation three-dimensional scenic under water, and control the ultrasound wave working strength of ultrasonic transducer according to described three-dimensional scenic.
Further, the bottom of described ultrasonic transducer is positioned on a mobile device, and ultrasonic transducer is suitable for being moved along X-axis, Y-axis by this mobile device, and, this mobile device adopts wireless mode to be connected with host computer, by the movement locus of PC control mobile device.
Further, described mobile device is also provided with The Cloud Terrace, ultrasonic transducer is positioned on this The Cloud Terrace, this The Cloud Terrace by wireless by PC control.
Concrete, by the three-dimensional scenic obtained, the motion track of mobile device and cradle head control ultrasonic transducer and turning to, can also control ultrasound wave working strength, and then improve Ultrasonic Cleaning effect.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (10)
1. the acoustic field in hydrospace and a visualization system, is characterized in that, comprising: host computer, the ultrasonic transducer being positioned at hydrospace and nautical receiving set, is respectively used to transmitting, received ultrasonic signal; And by described PC control and gearshift for regulating hydrophone position;
Described host computer is suitable for command displacement device and drives nautical receiving set to move in space under water, to carry out 3-D scanning to scene under water, then by visualization processing module, the ultrasonic signal obtained through 3-D scanning is converted into three-dimensional scenic.
2. the acoustic field in hydrospace according to claim 1 and visualization system, it is characterized in that, described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, and this ultrasonic transduction driving circuit is driving high frequency discharge circuit; Described ultrasonic transducer is piezoelectric type ultrasonic transducer.
3. the acoustic field in hydrospace according to claim 2 and visualization system, is characterized in that, institute's displacement apparatus is driven by the microcontroller be connected with host computer;
Institute's displacement apparatus comprises: three are respectively used to control the stepper motor of nautical receiving set along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively; And
Described microcontroller is suitable for receiving the steering order that sends of host computer to produce corresponding PWM pulse-width signal to coordinate the motion of each stepper motor, and then realizes initial to nautical receiving set, to stop measuring position and measuring route and translational speed control.
4. the acoustic field in hydrospace according to claim 3 and visualization system, is characterized in that, the output terminal of described nautical receiving set is connected with host computer by signal condition amplifying circuit, A/D modular converter successively, wherein
A/D modular converter is AC8864 high-speed data acquisition card, and it is suitable for that the simulating signal of nautical receiving set collection is converted into digital signal and is sent to host computer.
5. the acoustic field in hydrospace according to claim 4 and visualization system, it is characterized in that, described signal condition amplifying circuit Circuit tuning comprises adjustment high frequency discharge circuit, this adjustment high frequency discharge circuit comprises: the voltage follower circuit be connected with nautical receiving set, the output terminal of this voltage follower circuit is as the positive output end of described adjustment high frequency discharge circuit, and the output terminal of described voltage follower also scaling circuit anti-phase be connected, the output terminal of this anti-phase scaling circuit is as the negative output terminal of described adjustment high frequency discharge circuit,
The positive and negative output terminal of described adjustment high frequency discharge circuit is connected with the respective input of described A/D modular converter respectively.
6. the acoustic field in hydrospace according to claim 5 and visualization system, it is characterized in that, described acoustic field and visualization system also comprise: the power module be connected with ultrasonic transduction driver module, and this power module is suitable for providing 12V voltage and ± 5V voltage; Wherein
Described positive 12V voltage is suitable for powering to ultrasonic transducer driving circuit;
Described ± 5V voltage is suitable for powering to signal condition amplification circuit module.
7., based on a hydrospace modeling method for acoustic field and visualization system, it is characterized in that, comprise the steps:
Step S1, launches ultrasonic signal by ultrasonic transducer;
Step S2, drives nautical receiving set to move in space under water by PC control gearshift, to carry out 3-D scanning to scene under water; And
Step S3, by visualization processing module, is converted into three-dimensional scenic by the ultrasonic signal obtained through 3-D scanning.
8. hydrospace modeling method according to claim 7, is characterized in that,
Described acoustic field and visualization system also comprise: be suitable for the ultrasonic transduction driver module driving ultrasonic transducer, this ultrasonic transduction driver module comprises ultrasonic transduction driving circuit, this ultrasonic transduction driving circuit is high frequency discharge circuit, and described ultrasonic transducer is piezoelectric type ultrasonic transducer.
9. hydrospace modeling method according to claim 8, is characterized in that,
Institute's displacement apparatus is driven by the microcontroller be connected with host computer;
Institute's displacement apparatus comprises: three are respectively used to control the stepper motor of nautical receiving set along the movement of X, Y, Z axis direction, and each stepper motor drives the screw mandrel on X, Y, Z axis direction to rotate respectively;
Described microcontroller is suitable for receiving the steering order that sends of host computer to produce corresponding PWM pulse-width signal to coordinate the motion of each stepper motor, and then realizes initial to nautical receiving set, to stop measuring position and measuring route and translational speed control.
10., based on a clean method under water for acoustic field and visualization system, it is characterized in that,
By the acoustic field in hydrospace and visualization system generation three-dimensional scenic under water, and control the ultrasound wave working strength of ultrasonic transducer according to described three-dimensional scenic.
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| 邓允: "基于精密机器人的超声场测量和综合分析系统的研究", 《中国优秀硕士学位论文全文数据库医药卫生科技辑》 * |
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| CN107947387B (en) * | 2017-12-25 | 2023-07-04 | 南京邮电大学 | Energy supply system of underwater Internet of things node based on ultrasonic waves |
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| CN108874932B (en) * | 2018-05-31 | 2022-03-25 | 哈尔滨工程大学 | Ocean water sound field three-dimensional visualization method based on improved ray projection algorithm |
| CN109506771A (en) * | 2018-11-20 | 2019-03-22 | 西北工业大学 | With the sound field detection method and device of spatialization function in high-temp liquid medium |
| CN110487388A (en) * | 2019-08-23 | 2019-11-22 | 中国人民解放军陆军军医大学第一附属医院 | For measurement method and system through cranium stimulating system data test |
| CN112067112A (en) * | 2020-09-21 | 2020-12-11 | 中国石油大学(华东) | Automatic underwater ultrasonic cavitation field characteristic measurement and visualization system and method |
| CN112903089A (en) * | 2021-01-20 | 2021-06-04 | 中科长城海洋信息系统有限公司 | Underwater space three-dimensional sound field detection system and method |
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