CN102626700B - Ultrasonic cleaning device and ultrasonic cleaning method for underwater structure objects - Google Patents
Ultrasonic cleaning device and ultrasonic cleaning method for underwater structure objects Download PDFInfo
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- CN102626700B CN102626700B CN201210138285.6A CN201210138285A CN102626700B CN 102626700 B CN102626700 B CN 102626700B CN 201210138285 A CN201210138285 A CN 201210138285A CN 102626700 B CN102626700 B CN 102626700B
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Abstract
The invention discloses an ultrasonic cleaning device and an ultrasonic cleaning method for underwater structure objects. The cleaning device comprises a power supply portion and a cleaning portion. The cleaning portion comprises a cleaning part and a waterproof device used for preventing the cleaning part from water. The cleaning part comprises an ultrasonic cleaning device and a water jet cleaning device. The ultrasonic cleaning device comprises an ultrasonic electric energy generation device and an ultrasonic transduction device which are connected. A water jet generation device comprises a high pressure water pump and a sprayer which are connected through a water jet pipeline. The cleaning method is that ultrasonic wave generated by the ultrasonic cleaning device is focused through an amplitude variation rod in the ultrasonic transduction device and damages insoluble dirt, low pressure high speed water jet formed by the high pressure water pump and the water jet pipeline in the water jet cleaning device is utilized to wash surface to be cleaned to enable the dirt to drop. The ultrasonic cleaning device and the ultrasonic cleaning method are convenient to clean and high in efficiency, do not require stopping work and has good popularization prospect.
Description
Technical field
The present invention relates to a kind of ultrasonic cleaning equipment of construction under water and the ultrasonic cleaning method based on ultrasonic cleaning equipment, belong to ultrasonic technology field.
Background technology
The equipment such as dam gate or pipe inner wall is owing to being operated under water, can scale year in year out and the performance that affects normal function even causes device damage, if gate cannot normally be opened consequence by hardly imaginable in the time that flood arrives.At present, the conventional method of the equipment such as gate or pipe inner wall has two kinds:
1, the first is to use water jetting at high pressure to clean, and the shortcoming of the method is, if the too fast meeting of flow velocity build-up of pressure is excessive, injures paint and construction itself, if but reduce flow velocity, cleaning performance will be had a greatly reduced quality;
2, the second is only in the time stopping work, to clean, and by manually imposing mechanical oscillation, incrustation scale is loosening in anhydrous situation, then water jetting at high pressure cleans.Use such way just must stop work, manually knock on the other hand dynamics size and be difficult to accurate assurance, easily cause gate or water pipe damage because overexerting, also have the gate water pipe of some special circumstances, have the defects such as constructional difficulties.
Summary of the invention
The technical problem to be solved in the present invention is some problems that overcome the incrustation scale existence of clearing up the equipment such as gate or pipe inner wall in prior art, as while using water jetting at high pressure to clean, if the too fast meeting of flow velocity build-up of pressure is excessive, injure paint and construction itself, if but reduce flow velocity, cleaning performance will be had a greatly reduced quality, after and for example sluice is stopped work, manually knock, but dynamics size is difficult to accurate assurance, easily cause the damage of gate or water pipe because overexerting, also have gate or the water pipe of special area, not easy working problem.The cleaning device of construction under water and the method for the present invention's design, convenient, efficient, cleaning performance is better, without shut-down, has a good application prospect.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of ultrasonic cleaning equipment of construction under water, comprise power unit and cleaning part, described power unit is two-way output, be connected with described cleaning parts by cable respectively, described cleaning part comprises and cleans parts and for preventing from cleaning the water-tight device of parts water inlet, it is characterized in that: described cleaning parts comprise ultrasonic cleaning equipment and water jet cleaning device, described ultrasonic cleaning equipment comprises the ultrasonic wave electric energy generation device and the ultrasonic transduction device that are connected, described jet generating device comprises the high-pressure hydraulic pump and the shower nozzle that are connected by jet pipeline.
The ultrasonic cleaning equipment of aforesaid construction under water, it is characterized in that: described ultrasonic wave electric energy generation device comprises the signal generator connecting successively, power amplifier and impedance matching module, described ultrasonic transduction device comprises by transducer and focuses on module, the power input of described transducer is connected with the power output end of ultrasonic wave electric energy generation device, the ultrasonic wave input of described transducer is connected with the ultrasonic wave output that focuses on module, described ultrasonic wave concentrating module comprises the column PZT (piezoelectric transducer) and the ultrasonic transformer that are fixed together, described ultrasonic transformer is arranged on the front end of column PZT (piezoelectric transducer), described column PZT (piezoelectric transducer) is composed in parallel by some piezoelectric patches, and column center is made as hollow.
The ultrasonic cleaning equipment of aforesaid construction under water, it is characterized in that: described water-tight device comprises shell and exposes to the high temperature insulation object of conductive surface, the current-carrying part exposing adopts PUR sealing, the non-conductive shell entirety rubber exposing wraps up, and adopts PUR water-tight at shell and current-carrying part contact area.
The ultrasonic cleaning equipment of aforesaid construction under water, is characterized in that: the quantity of described some piezoelectric patches is four, and piezoelectric patches adopts pottery to make.
The ultrasonic cleaning equipment of aforesaid construction under water, is characterized in that: described shower nozzle comprises several nozzles, and described nozzle is provided with multiple spray orifices, and the quantity of spray orifice is along with nozzle quantity increases and reduces.
A ultrasonic cleaning method for construction under water, is characterized in that: on described ultrasonic cleaning equipment, carry out the cleaning of construction under water and comprise the following steps:
Step (1), first submerges ultrasonic transducer in water, and the ultrasonic transformer of the ultrasonic wave that ultrasonic cleaning equipment is produced in ultrasonic transduction device focuses on, and controls the close residing water environment of construction under water of ultrasonic wave after focusing on;
Step (2), after ultrasonic cavitation effect, destroys the insoluble dirt of construction under water;
Step (3), the high-pressure hydraulic pump by water jet cleaning device produces high pressure low speed water, forms the jet of low-voltage high speed by ultrasonic transformer, and the described destruction of rinsing step (2) is the structure under water after the insoluble dirt of construction under water, and dirty thing is come off.
The invention has the beneficial effects as follows: the ultrasonic wave electric energy that adopts transducer that ultrasonic-frequency power supply is produced converts mechanical oscillation to, carry out radiate supersonic wave to the cleaning objects such as gate or water pipe, impel ultrasonic cavitation to form, the immense pressure that cavitation produces can be destroyed insoluble dirt (as incrustation scale absurd creature), and make them be scattered in solution, reach the effect of cleaning indissoluble thing, whole process can both be carried out in liquid environment, device good water-proof effect, the ultrasonic wave that cleaning method of the present invention produces by ultrasonic cleaning equipment is after the ultrasonic transformer in ultrasonic transduction device focuses on, destroy insoluble dirt, and the jet of the low-voltage high speed forming by the high-pressure hydraulic pump in water jet cleaning device, rinse surface to be cleaned, dirty thing is come off, with existing manually knock or method that independent water jetting at high pressure cleans compared with, easy to clean, efficiently, better effects if, without shut-down, there is good promotion prospect.
Brief description of the drawings
Fig. 1 is the schematic diagram of the ultrasonic cleaning equipment of construction under water of the present invention.
Fig. 2 is the graph of a relation of nozzle number of the present invention, hitting power and jet area.
Accompanying drawing implication is as follows:
1: piezoelectric patches; 2: ultrasonic transformer; 3: the input of power unit; 4: shower nozzle.
Detailed description of the invention
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, the ultrasonic cleaning equipment of construction under water of the present invention adopts ultrasonic cavitation to clean, ultrasonic cavitation is due to ultrasonic physical action in liquid, a certain region in liquid can form local temporary transient negative pressuren zone, so produce hole or bubble in liquid, these bubbles that are filled with steam or air, in unsteady state, in the time that they are closed suddenly, can produce shock wave.Thereby produce very large pressure at local tiny area, thereby the sound field energy gathering together is discharged rapidly in minimum space in liquid, form thundering high temperature (can up to more than 5000K), high pressure (can up to 5x107pa) and the extreme physical condition such as strong shock wave and jet.The ultrasonic wave that the present invention produces by ultrasonic cleaning equipment, after the ultrasonic transformer in ultrasonic transduction device (focusing body) focuses on, enter in water, cavitation effect is carried out, destroy insoluble dirt, then produce high pressure low speed water by the high-pressure hydraulic pump in water jet cleaning device, focusing on body by ultrasonic transformer 4() space of circle centre position arrives transducer ultrasonic transformer front end, forms the jet of low-voltage high speed, rinses surface to be cleaned, dirty thing is come off, and both synergies reach cleaning object.
The ultrasonic cleaning equipment of construction under water of the present invention, comprise power unit and cleaning part, cleaning part comprises cleaning parts, the input 3 of power unit is standard civil power (220V/50Hz AC), output divides two-way output, the AC signal of one road 500W/28kHz is transported to ultrasonic transducer, one tunnel is to the power supply of high-pressure hydraulic pump power supply, and be connected with cleaning parts by cable respectively, clean parts and comprise ultrasonic cleaning equipment and water jet cleaning device, ultrasonic cleaning equipment comprises the ultrasonic wave electric energy generation device and the ultrasonic transduction device that are connected, water jet generation device comprises the high-pressure hydraulic pump and the shower nozzle that are connected by jet pipeline, produce high-pressure water jet by high-pressure hydraulic pump, utilize water jet directly to wash away, peel off dirt, have pollution-free, corrosion-free, clean the low feature of cost.Water jet cleaning uses high-pressure hydraulic pump to get water under high pressure, and arrive nozzle through jet pipeline, the water of high pressure, low flow velocity is converted to the jet of low pressure, high flow rate, then jet is with its very high impact kinetic energy, continuously act on surface to be cleaned, thereby dirty thing is come off, and final realization cleaned object.
Shower nozzle 4 comprises several nozzles, nozzle is provided with multiple spray orifices, and the quantity of spray orifice is along with nozzle quantity increases and reduces, nozzle is the externally the most direct execution unit of acting of Cleaning by High Pressure Water Jet equipment, the quality of nozzle directly affects performance and the cleaning performance of Cleaning by High Pressure Water Jet equipment, the relation of nozzle number n and hitting power F and jet area S as shown in Figure 2, when cleaning part is worked under rated pressure and flow status, along with the increase of nozzle hole count, the flow of each spray orifice reduces, spray orifice exports maximum jet impact force and each spray orifice jet action area also reduces thereupon, but in same jet range situation, total jet area change of multiple spray orifices, and the reducing of the increase of nozzle number and spray orifice jet impact force is linear approximate relationship with the increase of jet area.
Described ultrasonic wave electric energy generation device comprises the signal generator, power amplifier and the impedance matching module that connect successively, signal generator produces corresponding ultrasonic signal, after carrying out power amplification by power amplifier, input matching module mates, make it to reach impedance matching with power supply, ensure that transducer obtains maximum power and efficiency.Wherein signal generator adopts the form of single-chip microcomputer DDS.Single-chip microcomputer uses MSP430F149, single-chip microcomputer control DDS work, stop, frequency, power, DDS uses integrated circuit, model is SG3525, the concussion form of SG3525 is RC concussion, single-chip microcomputer changes the output frequency of DDS by the value of control R.Control the mode of R for using digital regulation resistance, the model of digital regulation resistance is X9C102, is output as the square-wave signal of two-way with same frequency and reversed-phase.According to the needs of the signal of BTL circuit input, common property has been given birth to the signal of two-way with same frequency and reversed-phase, makes two power tubes replace saturated and cut-off, efficiently completes power amplification task.
Described ultrasonic transduction device comprises by transducer and focuses on module, the power input of transducer is connected with the power output end of ultrasonic wave electric energy generation device, the ultrasonic wave input of transducer is connected with the ultrasonic wave output that focuses on module, ultrasonic wave concentrating module comprises the column PZT (piezoelectric transducer) and the ultrasonic transformer 2 that are fixed together, ultrasonic transformer 2 is arranged on the front end of column PZT (piezoelectric transducer), column PZT (piezoelectric transducer) is composed in parallel by some piezoelectric patches 1, and column center is made as hollow, transducer produces ultrasonic wave under the driving of ultrasonic wave electric energy generation device, transducer and focusing module are fixed together, can make ultrasonic energy assemble, make the effect of ultrasonic cavitation more obvious, better to construction cleaning performance, wherein the profile of transducer is also extremely important for the present invention, due to this under water construction cleaning machine integrate ultrasonic cleaning and water jet cleaning, ultrasonic transducer and high-pressure water shot circulation road will be realized in same frame for movement like this, therefore the transducer of selecting as shown in Figure 1, the quantity of some piezoelectric patches 1 is four, and piezoelectric patches adopts pottery to make, vibrations direction flows to consistent with water jet, placement direction and the water jet direction of piezoelectric ceramic piece two silver layer faces are perpendicular.
On above-mentioned ultrasonic cleaning equipment, carrying out the ultrasonic cleaning of construction under water comprises the following steps:
The first step, first submerges ultrasonic transducer in water, and the ultrasonic transformer of the ultrasonic wave that ultrasonic cleaning equipment is produced in ultrasonic transduction device focuses on, and controls the close residing water environment of construction under water of ultrasonic wave after focusing on;
Second step, after ultrasonic cavitation effect, destroys the insoluble dirt of construction under water;
The 3rd step, the high-pressure hydraulic pump by water jet cleaning device produces high pressure low speed water, forms the jet of low-voltage high speed by jet pipeline, destroys the structure under water after the insoluble dirt of construction under water described in rinsing step second step, and dirty thing is come off.
Due to whole cleaning machine working environment under water, therefore the waterproof of machinery and power supply just becomes a crucial problem.For waterproof, cleaning part is provided with the water-tight device for preventing from cleaning parts water inlet, wherein water-tight device comprises shell and exposes the high temperature insulation object of conductive surface, the current-carrying part exposing adopts PUR sealing, the non-conductive shell entirety rubber leaking outside wraps up, and adopts PUR water-tight at shell and current-carrying part contact area.Cable is wrapped up in by insulating cement suitcase, and splashes into and melt glue to reach the object of waterproof at interface.
General principle of the present invention, principal character and advantage have more than been described.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. the ultrasonic cleaning equipment of construction under water, comprise power unit and cleaning part, described power unit is two-way output, be connected with described cleaning parts by cable respectively, described cleaning part comprises and cleans parts and for preventing from cleaning the water-tight device of parts water inlet, it is characterized in that: described cleaning parts comprise ultrasonic cleaning equipment and water jet cleaning device, described ultrasonic cleaning equipment comprises the ultrasonic wave electric energy generation device and the ultrasonic transduction device that are connected, and described jet generating device comprises the high-pressure hydraulic pump and the shower nozzle that are connected by jet pipeline, described ultrasonic wave electric energy generation device comprises the signal generator connecting successively, power amplifier and impedance matching module, described ultrasonic transduction device comprises by transducer and focuses on module, the power input of described transducer is connected with the power output end of ultrasonic wave electric energy generation device, the ultrasonic wave input of described transducer is connected with the ultrasonic wave output that focuses on module, described ultrasonic wave concentrating module comprises the column PZT (piezoelectric transducer) and the ultrasonic transformer that are fixed together, described ultrasonic transformer is arranged on the front end of column PZT (piezoelectric transducer), described column PZT (piezoelectric transducer) is composed in parallel by some piezoelectric patches, and column center is made as hollow.
2. the ultrasonic cleaning equipment of construction under water according to claim 1, it is characterized in that: described water-tight device comprises shell and exposes to the high temperature insulation object of conductive surface, the current-carrying part exposing adopts PUR sealing, the non-conductive shell entirety rubber exposing wraps up, and adopts PUR water-tight at shell and current-carrying part contact area.
3. the ultrasonic cleaning equipment of construction under water according to claim 1, is characterized in that: the quantity of described some piezoelectric patches is four, and piezoelectric patches adopts pottery to make.
4. the ultrasonic cleaning equipment of construction under water according to claim 1, is characterized in that: described shower nozzle comprises several nozzles, and described nozzle is provided with multiple spray orifices, and the quantity of spray orifice is along with nozzle quantity increases and reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210138285.6A CN102626700B (en) | 2012-05-07 | 2012-05-07 | Ultrasonic cleaning device and ultrasonic cleaning method for underwater structure objects |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210138285.6A CN102626700B (en) | 2012-05-07 | 2012-05-07 | Ultrasonic cleaning device and ultrasonic cleaning method for underwater structure objects |
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| CN102626700A CN102626700A (en) | 2012-08-08 |
| CN102626700B true CN102626700B (en) | 2014-11-26 |
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| CN103048330B (en) * | 2012-12-18 | 2015-12-23 | 河海大学常州校区 | The visual sniffer of a kind of surface crack of underwater structure |
| CN103357613B (en) * | 2013-07-25 | 2016-05-04 | 中国科学院声学研究所 | A kind of ultrasonic cleaning rifle of cleaning groove type |
| CN103357612B (en) * | 2013-07-25 | 2016-03-16 | 中国科学院声学研究所 | A kind of ultrasonic cleaning rifle of luffing rod-type |
| CN103341466B (en) * | 2013-07-29 | 2014-12-17 | 河海大学常州校区 | Multi-frequency switchable underwater construction cleaning and maintenance device |
| CN103556601B (en) * | 2013-11-11 | 2015-10-21 | 河海大学常州校区 | Environment-friendly type underwater structure surface inspection cleaning device |
| CN103537456B (en) * | 2013-11-11 | 2015-04-29 | 河海大学常州校区 | Power-adjustable underwater building cleaning and maintaining device |
| CN103567187B (en) * | 2013-11-11 | 2015-08-26 | 河海大学常州校区 | The underwater structure ultrasonic cleaning equipment of water suction proximity |
| CN103967759A (en) * | 2014-05-18 | 2014-08-06 | 辽宁工程技术大学 | Ultrasonic water pump with built-in piezoelectric plate |
| CN104801513B (en) * | 2015-05-15 | 2016-09-28 | 河海大学常州校区 | Liquid whistle jet is worked in coordination with ultrasonic underwater structure and is cleaned device and method of work thereof |
| CN106984596B (en) * | 2017-04-25 | 2023-06-06 | 重庆金樾光电科技有限公司 | Laser cleaning machine and control method thereof |
| CN107321705A (en) * | 2017-08-21 | 2017-11-07 | 吉林大学 | A kind of pool inner wall ultrasonic cleaner and cleaning method |
| CN107327286A (en) * | 2017-08-21 | 2017-11-07 | 吉林大学 | A kind of rope coring drill pipe inwall ultrasonic cleaner and cleaning method |
| CN109332297A (en) * | 2018-11-29 | 2019-02-15 | 美钻深海能源科技研发（上海）有限公司 | Underwater ultrasound eliminates corrosion equipment and eliminates caustic solution |
| CN111822434B (en) * | 2020-07-14 | 2022-06-17 | 湛江德利车辆部件有限公司 | Cleaning method |
| CN112113002B (en) * | 2020-08-21 | 2022-04-19 | 欧路莎股份有限公司 | Ultrasonic switching integrated valve for ultrasonic jet cleaning device |
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| US3068829A (en) * | 1959-11-13 | 1962-12-18 | Carl W Nuissl | Device for cleaning vessels |
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