CN105834165A - Ultrasonic cleaning device with negative pressure absorption function - Google Patents
Ultrasonic cleaning device with negative pressure absorption function Download PDFInfo
- Publication number
- CN105834165A CN105834165A CN201610303377.3A CN201610303377A CN105834165A CN 105834165 A CN105834165 A CN 105834165A CN 201610303377 A CN201610303377 A CN 201610303377A CN 105834165 A CN105834165 A CN 105834165A
- Authority
- CN
- China
- Prior art keywords
- body case
- over body
- negative pressure
- water pipe
- ultrasonic cleaning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004506 ultrasonic cleaning Methods 0.000 title claims abstract description 24
- 238000010521 absorption reaction Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 104
- 210000002421 cell wall Anatomy 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002463 transducing effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 12
- 239000010865 sewage Substances 0.000 description 6
- 238000005406 washing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/02—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by distortion, beating, or vibration of the surface to be cleaned
- B08B7/026—Using sound waves
- B08B7/028—Using ultrasounds
Landscapes
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention provides an ultrasonic cleaning device with the negative pressure absorption function. The ultrasonic cleaning device at least comprises an ultrasonic generator, a transducer, a housing body and two water pipes. An opening is formed in the front end of the housing body. The transducer is connected with the ultrasonic generator. The transducer comprises a working head and a body connected with the rear end of the working head. The working head is contained in the housing body. The front end face of the working head is close to the opening. A water storage region is arranged at the front end of the inner wall of the housing body. The water storage region communicates with the opening. One of the two water pipes is a water absorption pipe, and the other water pipe is a water supply pipe. The head end of one of the water pipes communicates with the water storage region. The head end of the other water pipe is close to the front end face of the working head of the transducer. By the adoption of the ultrasonic cleaning device with the negative pressure absorption function, continuous cleaning can be achieved, the cleaning effect is good, water resources are saved, and secondary pollution and pollution to the environment can be avoided.
Description
Technical field
The present invention relates to a kind of cleaning device, particularly relate to the ultrasonic cleaning equipment of a kind of band negative pressure absorbing.
Background technology
Ultrasonic transducer is the device that one realizes electric energy and acoustic energy (i.e. high-frequency mechanical vibration energy) mutually conversion.Ultrasonic clearly
Washing is to produce ultrasonic activation by transducer, and instantaneous pressure cavity produced by cavitation effect occurs in water, and impact is by clearly
Washing and reach good cleaning performance.
At present, the ultrasonic local cleaning technique carried out is used mainly to use immersion or water injection type cleaning in water.Water
Middle immersion cleans and thing to be cleaned after submergence, must be recycled ultrasonic transducer and is carried out in water；Water injection type cleans must
Must be first in the water filling of cleaned material surface, thing to be cleaned is carried out after absorbing certain moisture again.Both cleaning ways can not
To be got wet the position that need not clean with avoiding, the water of needs is the most, relatively waste water resource, and in-convenience in use；Meanwhile,
The sewage produced in cleaning process all can not be discharged in time, causes environmental pollution, and secondary pollution easily occurs, need secondary
Clean or rinsing.Further, since need to put into thing to be cleaned submergence in water before Qing Xiing, or in the water filling of cleaned material surface,
Cause and can not carry out continuous wash, use also inconvenient, and cause the scope of application to there is a lot of limitation.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of band negative pressure absorbing ultrasonic clearly
Cleaning device, is used for solving above-mentioned technical problem present in prior art.
For achieving the above object and other relevant purposes, the present invention provides following technical scheme:
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing, at least includes: supersonic generator, transducer, one
Individual over body case, and two water pipes；Described over body case front end offers opening, described transducer and described supersonic generator phase
Even, described transducer includes work head and the body being connected with described work head rear end, and described work head is accommodated in described case
Internal, described work head front end face is near described opening, and part described work head coordinates with described over body case inner wall sealing；Institute
State over body case inwall front end and be provided with storage area, and described storage area and described open communication；A water pipe in two described water pipes
For suction hose, a water pipe is feed pipe, and one of them described water pipe head end is connected with described storage area, and another water pipe is first
End is near the work head front end face of described transducer.
Further, in described body is accommodated in handle housing；Described over body case rear end engages phase with described handle housing
Connect or threaded.
Further, two described water pipe ends connect respectively auxiliary tube.
Further, two described water pipes are located in described over body case sidewall respectively；Two described auxiliary tubes are respectively
It is located on described over body case sidewall, and two described auxiliary tubes of part extend outside described over body case respectively.
Further, two described water pipes are located in described over body case sidewall respectively, and two described auxiliary tubes are respectively
It is located in handle housing.
Further, a described water pipe is located in described over body case sidewall, and another described water pipe is positioned at described work
In Tou, and its centrage overlaps with described work head centrage；Two described auxiliary tubes are located in described case side respectively
On wall, and two described auxiliary tubes of part extend outside described over body case respectively.
Further, a described water pipe is located in described over body case sidewall, and another described water pipe is positioned at described work
In Tou；The described water pipe end being positioned in described work head extends to described body and forms an extension, and this extension runs through
Described body, and extension centrage overlaps with described body central line；Described extension end and a described auxiliary tube phase
Even；All described auxiliary tubes are all located in described handle housing.
Further, described storage area is the groove being opened in described over body case inwall, and described groove is L-shaped groove.
Further, being connected to end of described L-shaped groove.
Further, described storage area is the ring-type U-lag being opened in described over body case sidewall, and described U-lag
The several grooves for being connected are offered with described over body case opening on cell wall.
As it has been described above, the ultrasonic cleaning equipment of a kind of band negative pressure absorbing of the present invention, have the advantages that
The work head of described transducer is accommodated in described over body case, and described work head front end face is opened near described over body case
Mouthful, and part described work head coordinates with described over body case inner wall sealing；Owing to described over body case inwall front end is provided with storage area,
And described storage area and described open communication, the most ultrasonic generation cavitation effect, thus realize utilizing the less water yield complete height
Effect is cleaned, and relatively saves water source, avoids secondary pollution simultaneously；And due in two described water pipes a water pipe be suction hose, one
Individual water pipe is feed pipe, and one of them described water pipe head end is connected with described storage area, and another water pipe head end is near described
The work head front end face of transducer；Described feed pipe can carry clean water continuously, and described absorption tube can be sewage
Siphon away and concentrate discharge, it is achieved thereby that continuous wash, and cleaning performance is good, and avoid polluting environment.
Accompanying drawing explanation
Fig. 1 is shown as the ultrasonic cleaning equipment axonometric chart of a kind of band negative pressure absorbing of the present invention.
Fig. 2 is shown as the first embodiment sectional view of ultrasonic cleaning equipment of a kind of band negative pressure absorbing of the present invention.
Fig. 3 is shown as ultrasonic cleaning equipment the second embodiment sectional view of a kind of band negative pressure absorbing of the present invention.
Element numbers explanation
1 transducer
11 work heads
12 bodies
2 over body cases
21 storage areas
3 water pipes
4 handle housings
5 auxiliary tubes
6 cables
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 3.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinating the content disclosed in description, understand for those skilled in the art and read, being not limited to the present invention can be real
The qualifications executed, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the tune of size
Whole, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in disclosed skill
In the range of art content can contain.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and
The term of " one " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, its relativeness
It is altered or modified, is changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As depicted in figs. 1 and 2, the present invention provides the ultrasonic cleaning equipment of a kind of band negative pressure absorbing, at least includes: one surpasses
Sonic generator, 1, over body case 2 of a transducer, and two water pipes 3；Described over body case 2 front end offers opening, institute
State transducer 1 and described supersonic generator to be connected by cable 6, described transducer 1 include work 11 and with described work
The body 12 that 11 rear ends are connected, described work 11 is accommodated in described over body case 2, and described work 11 front end face is near institute
State opening, and the described work of part 11 coordinates with described over body case 2 inner wall sealing；Preferably, the described work of part 11 with
Described over body case 2 inwall is sealed by sealing ring and is connected；Described over body case 2 inwall front end is provided with storage area 21, and described water storage
District 21 and described open communication；In two described water pipes 3, a water pipe 3 is suction hose, and a water pipe 3 is feed pipe, Qi Zhongyi
Individual described water pipe 3 head end is connected with described storage area 21, and another water pipe 3 head end is near the work 11 of described transducer 1
Front end face.
The ultrasonic cleaning equipment of this band negative pressure absorbing can not only apply to carry out medicated clothing, desk tops, household articles
Clean local, and can be used in cosmetics.When local is cleaned, need not soak and treat peace and quiet thing, only need to make described case
The position that the opening of body 2 cleans near needs, the most described transducer 1 work 11 is near the positions needing cleaning；Described transducing
During device 1 work 11 is carried out, a described water pipe 3 can carry clean water continuously, and described in another
Water pipe 3 can siphon away sewage and concentrate discharge, it is achieved thereby that continuous wash, and cleaning performance is good, and avoid polluting environment,
Very easy to use.
Referring to figs. 2 and 3, in order to handsome in appearance, and it being easy to carry, described body 12 is accommodated in handle housing 4；Institute
State over body case 2 rear end to be connected or threaded with the engaging of described handle housing 4.Described handle housing 4 can be according to body mechanics
Design embayment tubular or straight-tube shape.
Referring to figs. 2 and 3, two described water pipe 3 ends connect respectively auxiliary tube 5.Two described water pipes 3 can be equal
It is respectively provided in described over body case 2 sidewall, it is also possible to a described water pipe 3 is located in described over body case 2 sidewall, described in another
Water pipe 3 is positioned in described work 11.
Referring to figs. 2 and 3, when two described water pipes 3 are located in described over body case 2 sidewall respectively, two are described auxiliary
Help pipe 5 to be located in respectively on described over body case 2 sidewall, and the described auxiliary tube 5 of part two extends described over body case 2 respectively
Outward, or two described auxiliary tubes 5 are located in handle housing 4 respectively.
In a described water pipe 3 is located at described over body case 2 sidewall, another described water pipe 3 is positioned at described work 11
Time middle, described water pipe 3 centrage being positioned in described work 11 overlaps with described work 11 centrage；Two described auxiliary
Pipe 5 is located on described over body case 2 sidewall respectively, and the described auxiliary tube 5 of part two extends described over body case 2 respectively
Outward.So it is not only convenient for installing, and the water pipe 3 described in convenient layout and auxiliary tube 5；Simultaneously as a water pipe 3 is positioned at institute
Stating in work 11, the water in this water pipe 3 can play the effect cooling down described transducer 1, and then extends described transducer 1
Service life.
In a described water pipe 3 is located at described over body case 2 sidewall, another described water pipe 3 is positioned at described work 11
In；Described water pipe 3 end that can also will be located in described work 11 extends and is formed an extension to described body 12, makes
Obtain this extension and run through described body 12, and extension centrage overlaps with described body 12 centrage；Thus so that
This water pipe 3 plays the effect of sufficiently cool described transducer 1, and then extends described transducer 1 service life.Described extension
End and a described auxiliary tube 5 are connected；All described auxiliary tubes 5 are all located in described handle housing 4.It is preferably located at
Water pipe 3 in described work 11 is feed pipe, and the water pipe 3 being positioned in described over body case 2 sidewall is suction hose.
Referring to figs. 2 and 3, in described water pipe 3 is located at described over body case 2 sidewall, they can be to be opened in described cover
Passage in housing 2 sidewall, it is also possible to be to wear water pipe 3 in the channels.In described water pipe 3 is located at described work 11
Time, it can be the passage being opened in described over body case 2 sidewall, it is also possible to be to wear water pipe 3 in the channels.
Referring to figs. 2 and 3, described storage area 21 can be the groove being opened in described over body case 2 inwall；Described storage area
21 can also be for be opened in the ring-type U-lag in described over body case 2 sidewall.
Referring to figs. 2 and 3, when described storage area 21 is the groove being opened in described over body case 2 inwall, described groove is
L-shaped groove, is so beneficial to ultrasonic generation cavitation effect, thus realize utilizing the less water yield complete high-efficiency washing, relatively save water
Source, and be easy to be discharged by sewage by a described water pipe, it is to avoid secondary pollution.Preferably, the head and the tail phase of described L-shaped groove
Connection.
Referring to figs. 2 and 3, when described storage area 21 is to be opened in the ring-type U-lag in described over body case 2 sidewall, institute
State and offer for several grooves of being connected with described over body case 2 opening on the cell wall of U-lag, and the offering of described U-lag
The cell wall height of groove is less than its another cell wall, and offers the cell wall open end near described over body case 2 of groove,
So be beneficial to ultrasonic generation cavitation effect, thus realize utilizing the less water yield complete high-efficiency washing, relatively save water source, Yi Jibian
In by a described water pipe, sewage being discharged, it is to avoid secondary pollution.
In sum, the present invention provides the ultrasonic cleaning equipment of a kind of band negative pressure absorbing, before described over body case 2 inwall
End is provided with storage area 21, and described storage area 21 and described open communication, the most ultrasonic generation cavitation effect, thus realizes utilizing
The less water yield complete high-efficiency washing, relatively save water source, avoid secondary pollution simultaneously；And due in two described water pipes 3 one
Individual water pipe 3 is suction hose, and a water pipe 3 is feed pipe, and one of them described water pipe 3 head end is connected with described storage area 21,
Another water pipe 3 head end is near work 11 front end face of described transducer 1；Described feed pipe can carry cleaning continuously
Water, and described absorption tube can siphon away sewage and concentrate discharge, it is achieved thereby that continuous wash, and cleaning performance is good, and
Avoid polluting environment.So, the present invention effectively overcomes various shortcoming of the prior art and has high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual and completed under technological thought without departing from disclosed spirit in all art
All equivalence modify or change, must be contained by the claim of the present invention.
Claims (10)
1. the ultrasonic cleaning equipment of a band negative pressure absorbing, it is characterised in that at least include: supersonic generator,
Transducer (1), an over body case (2), and two water pipes (3)；Described over body case (2) front end offers opening, described transducing
Device (1) is connected with described supersonic generator, described transducer (1) include work head (11) and with described work head (11) rear end
The body (12) being connected, described work head (11) is accommodated in described over body case (2), and described work head (11) front end face is near institute
State opening, and part described work head (11) coordinates with described over body case (2) inner wall sealing；Described over body case (2) inwall front end
It is provided with storage area (21), and described storage area (21) and described open communication；In two described water pipes (3), a water pipe (3) is
Suction hose, a water pipe (3) is feed pipe, and one of them described water pipe (3) head end is connected with described storage area (21), another
Individual water pipe (3) head end is near work head (11) front end face of described transducer (1).
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 1, it is characterised in that: described body (12)
It is accommodated in handle housing (4)；Described over body case (2) rear end is connected or threaded with the engaging of described handle housing (4).
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 2, it is characterised in that: two described water pipes
(3) end connects respectively auxiliary tube (5).
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 3, it is characterised in that: two described water pipes
(3) it is located at respectively in described over body case (2) sidewall；Two described auxiliary tubes (5) are located in described over body case (2) side respectively
On wall, and two described auxiliary tubes (5) of part extend described over body case (2) outward respectively.
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 3, it is characterised in that: two described water pipes
(3) being located at respectively in described over body case (2) sidewall, two described auxiliary tubes (5) are located in handle housing (4) respectively.
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 3, it is characterised in that: a described water pipe
(3) being located in described over body case (2) sidewall, another described water pipe (3) is positioned in described work head (11), and its centrage with
Described work head (11) centrage overlaps；Two described auxiliary tubes (5) are located on described over body case (2) sidewall respectively, and
Two described auxiliary tubes (5) of part extend described over body case (2) outward respectively.
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 3, it is characterised in that: a described water pipe
(3) being located in described over body case (2) sidewall, another described water pipe (3) is positioned in described work head (11)；It is positioned at described work
Described water pipe (3) end in head (11) extends and is formed an extension to described body (12), and this extension runs through described
Body (12), and extension centrage overlaps with described body (12) centrage；Described extension end and a described auxiliary tube
(5) it is connected；All described auxiliary tubes (5) are all located in described handle housing (4).
8. according to the ultrasonic cleaning equipment of a kind of band negative pressure absorbing described in any one of claim 1 to 7, it is characterised in that: institute
Stating storage area (21) is the groove being opened in described over body case (2) inwall, and described groove is L-shaped groove.
The ultrasonic cleaning equipment of a kind of band negative pressure absorbing the most according to claim 8, it is characterised in that: described L-shaped groove
Be connected to end.
10. according to the ultrasonic cleaning equipment of a kind of band negative pressure absorbing described in any one of claim 1 to 7, it is characterised in that: institute
State storage area (21) to offer for being opened on the ring-type U-lag in described over body case (2) sidewall, and the cell wall of described U-lag
For the several grooves being connected with described over body case (2) opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303377.3A CN105834165A (en) | 2016-05-06 | 2016-05-06 | Ultrasonic cleaning device with negative pressure absorption function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610303377.3A CN105834165A (en) | 2016-05-06 | 2016-05-06 | Ultrasonic cleaning device with negative pressure absorption function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105834165A true CN105834165A (en) | 2016-08-10 |
Family
ID=56592253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610303377.3A Pending CN105834165A (en) | 2016-05-06 | 2016-05-06 | Ultrasonic cleaning device with negative pressure absorption function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105834165A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118781A (en) * | 2018-10-31 | 2020-05-08 | 吉金鹏 | Local stain removing equipment with combined action of vacuum and ultrasound and method for cleaning local stains on surface of fiber |
| CN114160349A (en) * | 2021-11-30 | 2022-03-11 | 青岛鹏晟海洋装备有限公司 | Underwater dirt and paint removing and spraying device for ship |
| TWI785708B (en) * | 2021-08-02 | 2022-12-01 | 日商雅馬哈智能機器控股股份有限公司 | Acoustic foreign body removal device |
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| US5186389A (en) * | 1990-04-03 | 1993-02-16 | S & C Co.,Ltd. | Spray tube ultrasonic washing apparatus |
| JPH10151422A (en) * | 1996-11-25 | 1998-06-09 | Dainippon Screen Mfg Co Ltd | Ultrasonic vibrator, ultrasonic cleaning nozzle, ultrasonic cleaning device, substrate cleaning device, substrate cleaning treatment system and manufacture of ultrasonic cleaning nozzle |
| JPH10163153A (en) * | 1996-11-29 | 1998-06-19 | Tadahiro Omi | Liquid-saving liquid-supply nozzle used for wet treatment including cleaning, etching, development, stripping, etc., as well as apparatus and method for wet treatment |
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| CN103357612A (en) * | 2013-07-25 | 2013-10-23 | 中国科学院声学研究所 | Amplitude transformer type ultrasonic cleaning gun |
| CN205732132U (en) * | 2016-05-06 | 2016-11-30 | 苏州工业园区海纳科技有限公司 | A kind of ultrasonic cleaning equipment of band negative pressure absorbing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0450222A2 (en) * | 1990-04-03 | 1991-10-09 | S & C CO., Ltd | Ultrasonic washing apparatus |
| US5186389A (en) * | 1990-04-03 | 1993-02-16 | S & C Co.,Ltd. | Spray tube ultrasonic washing apparatus |
| JPH10151422A (en) * | 1996-11-25 | 1998-06-09 | Dainippon Screen Mfg Co Ltd | Ultrasonic vibrator, ultrasonic cleaning nozzle, ultrasonic cleaning device, substrate cleaning device, substrate cleaning treatment system and manufacture of ultrasonic cleaning nozzle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111118781A (en) * | 2018-10-31 | 2020-05-08 | 吉金鹏 | Local stain removing equipment with combined action of vacuum and ultrasound and method for cleaning local stains on surface of fiber |
| TWI785708B (en) * | 2021-08-02 | 2022-12-01 | 日商雅馬哈智能機器控股股份有限公司 | Acoustic foreign body removal device |
| CN114160349A (en) * | 2021-11-30 | 2022-03-11 | 青岛鹏晟海洋装备有限公司 | Underwater dirt and paint removing and spraying device for ship |
| CN114160349B (en) * | 2021-11-30 | 2023-02-21 | 青岛鹏晟海洋装备有限公司 | Underwater dirt and paint removing and spraying device for ship |
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