CN106637790A - Ultrasonic multifunctional washing machine - Google Patents
Ultrasonic multifunctional washing machine Download PDFInfo
- Publication number
- CN106637790A CN106637790A CN201710108004.5A CN201710108004A CN106637790A CN 106637790 A CN106637790 A CN 106637790A CN 201710108004 A CN201710108004 A CN 201710108004A CN 106637790 A CN106637790 A CN 106637790A
- Authority
- CN
- China
- Prior art keywords
- ultrasonic
- washing machine
- vibration plate
- window
- steel ladle
- 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.)
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F19/00—Washing machines using vibrations for washing purposes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
- D06F35/005—Methods for washing, rinsing or spin-drying
- D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/02—Devices for adding soap or other washing agents
- D06F39/024—Devices for adding soap or other washing agents mounted on the agitator or the rotating drum; Free body dispensers
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
The invention relates to an ultrasonic multifunctional washing machine. The washing machine comprises a multifunctional washing machine body, a water tub, an ultrasonic generator, a heating pipe, vibration plates and at least two ultrasonic transducers. The vibration plates comprise at least first vibration plates and at least second vibration plates, the ultrasonic transducers are connected with the ultrasonic generator, and an input power source of the multifunctional washing machine body is connected with the ultrasonic generator and the heating pipe separately; at least one first window is arranged on the base plate of the water tub, the first vibration plates are fixedly installed on the base plate of the water tub and cover the first windows, at least one second window is arranged on the base plate of the water tub, the second vibration plates are fixedly installed on a side plate of the water tub and cover the second windows, at least one ultrasonic transducer is fixedly installed on the outer surfaces of the first vibration plates and the second vibration plates, and the heating pipe is installed blow the water tub. The ultrasonic multifunctional washing machine has the advantages of being low in sterilization cost, thorough in sterilization, small in environmental pollution and the like.
Description
Technical field
The present invention relates to laundry facilities technical field, and in particular to a kind of ultrasonic multi-functional washing machine.
Background technology
Washing machine is household electrical appliance common in people's daily life, but can there is following asking after washing machine Long-Time Service
The inwall of topic, dehydration barrel outer wall and steel ladle can pile up dirty stain and dirt and grow germ.Because conventional washer is without effectively killing
Bacterium measure, the longer bacterium for growing of washing machine use time is more.During laundry, more germs can be infected with clothes, so as to prestige
Side of body health, causes secondary pollution.Substantial amounts of detergent, phosphorous waste water can be used when simultaneously conventional washer is done washing to flow into
Rivers and lakes, cause body eutrophication, cause water pollution, the calcium phosphorus balance of human body can be destroyed after being absorbed by the body, to people
Body damage.
There are following several washing machines for having cleaning or a sterilizing function in the market, 1, bucket self-cleaning washing machine, this laundry
Machine clashes into by the way of washing machine interlayer barrel to reduce spot using elastic sphere.But which can not effectively remove spot,
Washing machine in the running, due to ball and the continuous shock of water tub of washing machine wall and dehydration barrel wall, has that noise is big to be showed
As, and ball easily causes delivery port to block, Long-Time Service can cause more soft flocks spots to remain in washing machine, rise on the contrary
Less than the effect for removing spot.2nd, ozone sterilizing washing machine, this washing machine produces ozone using ozone generator, and ozone is one
Strong oxidizer is planted, sterilization process belongs to biochemical oxidation reaction.But this laundry speculative investment is big, and use cost is high, Er Qieqi
Strong oxidizing property can make colour clothes fade.3rd, silver ion for sterilization washing machine.Silver ion for sterilization washing machine is using silver ion
Sustained-release antibacterial mechanism and active oxygen Antibacterial Mechanism, to the vitality of microorganism harmful effect and consequence are produced.But silver ion
Expensive price limit its popularization on washing machine, and silver ion is lost in fast, needs to supplement patina thing in time.4th, it is purple
Outside line sterilization washing machine, this washing machine is irradiated using ultraviolet and makes bacteria inactivation rate, so as to reach the purpose of sterilization.But
Ultraviolet is poor because of penetration capacity, is merely capable of killing the bacterium of clothing surface, but the bacterium of internal layer cannot be killed, and can
Cause the fading of dyestuff, change colour and cloth damage.Due to above-mentioned washing machine single function, it is impossible to while realizing oneself of washing machine
The washing sterilization of dynamic cleaning and clothing so that the washing sterilization of washing machine self-cleaning and clothing becomes a difficulty for being badly in need of solving
Topic.
The content of the invention
It is an object of the invention to provide a kind of ultrasonic multi-functional washing machine, cannot be same to solve existing washing machine
The automated cleaning of Shi Shixian washing machines and the washing sterilization of clothing, sterilized high cost, sterilized not thorough and pollution environment problem.
For achieving the above object, the present invention provides a kind of ultrasonic multi-functional washing machine, the ultrasonic multi-functional laundry
Machine includes multifunction washing machine body, steel ladle, ultrasonic generator, heating tube, vibration plate and at least two ultrasonic transducers, described
Vibration plate includes at least one first vibration plates and at least one second vibration plates, and the ultrasonic transducer connects with the ultrasonic generator
Connect, the input power of the multifunction washing machine body is connected respectively with ultrasonic generator, heating tube；The base plate of the steel ladle
On be provided with least one first window, first vibration plate is fixedly mounted on the base plate of the steel ladle and by described first
Window is covered, and at least one second windows are provided with the side plate of the steel ladle, and second vibration plate is fixedly mounted on described
Cover on the side plate of steel ladle and by second window, the outer surface of first vibration plate and the second vibration plate is installed with
At least one ultrasonic transducer, the heating tube is arranged on the bottom of the steel ladle.
Preferably, a nanometer rotating wash bowl, the nanometer rotating wash bowl are placed with the dehydration barrel of the multifunction washing machine body
For the nanometer rotating wash bowl of hollow out, anionic particle, pH value are placed with the nanometer rotating wash bowl and adjust particle and antibacterial granule.
Preferably, in sector, the first window is arranged on the barrel soleplate that is filled with water for the first window and the first vibration plate
Edge.
Preferably, the curved arrangement of ultrasonic transducer on first vibration plate, the two neighboring ultrasonic transducer it
Between distance it is equal.
Preferably, second window is arranged on the bottom of the steel ladle side plate.
Preferably, second window is identical with the shape of the second vibration plate, the ultrasonic transducer edge on second vibration plate
Linear systematic is arranged.
Preferably, the vibration plate is metal vibration plate.
Preferably, the operating frequency of the ultrasonic transducer is 28KHz-100KHz.
The invention has the advantages that：
1st, ultrasonic multi-functional washing machine of the present invention produces ultrasonic wave by the dither of ultrasonic transducer, by ultrasound
Ripple acts on the bucket wall of steel ladle and dehydration barrel so that dirt departs from bucket wall, kills the bacterium on bucket wall, reaches washing machine automatic
The purpose of cleaning, it is to avoid secondary pollution during laundry.
2nd, ultrasonic multi-functional washing machine of the present invention produces ultrasonic wave by the dither of ultrasonic transducer, by ultrasound
Ripple acts on clothing, can effectively remove spot and mould on clothing, effectively kills germ, reduces the usage amount of detergent, subtracts
Little environmental pollution, is suitable for skin sensitivity crowd and women and infants' clothing is particularly the washing of personal clothing.
Description of the drawings
Fig. 1 is the side elevational cross-section structural representation of ultrasonic multi-functional washing machine of the present invention.
Specific embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Embodiment 1
The ultrasonic multi-functional washing machine include multifunction washing machine body 1, steel ladle 2, vibration plate 4, ultrasonic generator 5,
Heating tube 6 and multiple ultrasonic transducers 7.The ultrasonic multi-functional washing machine of the present invention can simultaneously realize the automated cleaning of washing machine
With the washing sterilization function of clothing, have the advantages that sterilized low cost, sterilized thoroughly environmental pollution are little.
As shown in figure 1, ultrasonic generator 5 is fixedly mounted on the plate outer surface of steel ladle 2.Ultrasonic generator 5 respectively with
Each ultrasonic transducer 7 connects, and the input power of multifunction washing machine body 1 is connected respectively with ultrasonic generator 5, heating tube 6,
It is that 220V frequencies are converted into the high frequency matched with ultrasonic transducer 7 for the alternating current of 50Hz that ultrasonic generator 5 is used for voltage
Ac signal, and it is sent to ultrasonic transducer 7.Ultrasonic transducer 7 is receiving the high-frequency alternating current of the transmission of ultrasonic generator 5
There is dither after signal, and then produce ultrasonic wave, the operating frequency of ultrasonic transducer 7 is 28KHz-100KHz, wherein
The frequency range of 28KHz-60KHz is used to wash operating mode, and the frequency range of 60KHz-100KHz is used for sterilized operating mode.Steel ladle 2 is fixedly mounted
Inside multifunction washing machine body 1, dehydration barrel 3 be rotatably mounted in steel ladle 2 and with the electricity of multifunction washing machine body 1
Machine connects.Multiple water holes are provided with 3 barrels of walls of dehydration barrel, the water in steel ladle 2 can be entered in dehydration barrel 3 by water hole.At this
In embodiment, vibration plate 4 includes first vibration plate 41 and two the second vibration plates 42, and certain vibration plate 4 can also include multiple first
The vibration plate 42 of vibration plate 41 and second.Vibration plate is metal vibration plate, is coordinated so as to by ultrasonic transducer 7 by vibration plate 4 and ultrasonic transducer 7
Produce ultrasonic wave to be delivered in steel ladle 2.The be filled with water edge of barrel soleplate is provided with a first window, first window in sector,
First vibration plate 41 is fixedly mounted on the base plate of steel ladle 2 and by first window by screw and is covered, and the first vibration plate 41 is also in fan
Shape.The outer surface of the first vibration plate 41 is installed with multiple ultrasonic transducers 7, these curved arrangements of ultrasonic transducer 7, adjacent
The distance between two ultrasonic transducers 7 are equal.Water in order to prevent steel ladle 2 from the first vibration plate 41 be filled with water barrel soleplate it
Between gap leakage, the first vibration plate 41 and being filled with water between barrel soleplate is provided with the rubber ring of a closure, by the first vibration plate 41
Extruding rubber ring adds again fluid sealant, so as to reach the effect of sealing, prevents the water in steel ladle 2 from the gap leakage.It is filled with water
Two the second windows are provided with the side plate of bucket 2, two the second windows are symmetricly set on the side plate bottom of steel ladle 2, two the
Two windows are rectangle, corresponding, and two the second vibration plates 42 are also rectangle tile structure, and two the second vibration plates 42 lead to respectively
Cross screw to be fixedly mounted on the side plate of steel ladle 2 and respectively by two the second windows coverings.Water in order to prevent steel ladle 2
Gap leakage between the second vibration plate 42 and steel ladle side plate, between the second vibration plate 42 and steel ladle side plate one is again provided with
The rubber ring of individual closure, extrudes rubber ring and adds fluid sealant again by the second vibration plate 42, so as to reach the effect for sealing the gap.
The outer surface of two the second vibration plates 42 is installed with multiple ultrasonic transducers 7 by screw and glue, these ultrasonic transductions
Device 7 is arranged in a straight line along the length direction of the second vibration plate 42, and the distance between two neighboring ultrasonic transducer 7 is equal.Heating tube 6 is pacified
The bottom of steel ladle 2 is mounted in, heating tube 6 is used to heat water body, water body is heated into 40 DEG C or so, with temperature liter
Height, the activity of enzyme is all improved in the movement rate and detergent of hydrone, and by improving water temperature ultrasonic wave can be effectively increased
Joint washing and bactericidal effect with nanometer washing ball.
Further, in order to strengthen washing and the bactericidal effect of ultrasonic multi-functional washing machine, in the present embodiment, dehydration
Nanometer rotating wash bowl 32 is placed with bucket 3, nanometer rotating wash bowl 32 is the nanometer rotating wash bowl 32 of hollow out, is placed with nanometer rotating wash bowl 32
Anionic particle, pH value adjust particle and antibacterial granule.Anionic particle has for some strengthens anion and radiation far infrared
The Mineral with Polar Electricity of line function, such as electric stone material, far-infrared powder, anion function powder etc., anionic particle can be in water
Hydroxyl ion is produced, hydroxyl ion generates interface active agent with the water molecules of surrounding, and produces substantial amounts of anion.It is negative
Ion is penetrated into inside clothes fiber, promotes the adhesion between fiber and dirt to die down, and active material is encased after dirt so that
Dirt departs from fiber, reaches decontamination.PH value adjusts particle for food-grade ground caustic or active oxygen release agent etc., pH value regulation
Grain can be combined generation alkali ion water with the anion in water, the pH value of water body be brought up into 7.4 or so, the water of the pH range
Body is conducive to removing the dirt on clothing.Antibacterial granule is Ag oxides or nano-silver antibacterial powder, and antibacterial granule can be in water body
Release silver ion, silver ion can effectively kill the harmful bacterias such as Escherichia coli, lonely bacterium, the mould in water.
Operation principle：In the ultrasonic multi-functional washing machine course of work, voltage is by ultrasonic generator 5 for 220V frequencies
The alternating current of 50Hz is converted into matching the high-frequency ac electric signal that frequency is 28KHz-60KHz with ultrasonic transducer 7, and sends
To ultrasonic transducer 7, there is high frequency vibrating in ultrasonic transducer 7 after the high-frequency ac electric signal for receiving the transmission of ultrasonic generator 5
It is dynamic, and then ultrasonic wave is produced, ultrasonic wave is carry mechanical energy and is entered into steel ladle 2 by the first vibration plate 41 and the second vibration plate 42
Water body in, the bucket wall for being then passed through dehydration barrel 3 is delivered in dehydration barrel 3.The ultrasonic wave of the higher-order of oscillation, produces huge energy,
" cavitation " effect is formed in water, makes current and locker room produce a large amount of micro-bubbles, the air pressure punching produced during using bubbles burst
Ripple is hit, dirt is completely separated with clothing and bucket wall.Thus without detergent or just can be by clothes using little detergent
Washes clean, reduces pollution of the detergent to environment, and washing machine automated cleaning is realized again.By ultrasonic generator 5 by ultrasound
The vibration frequency of transducer 7 brings up to the working frequency range of 60KHz-100KHz, and the ultrasonic wave of the frequency range is by dither, destruction
The eucaryotic cell structure of bacterium, during the bubbles burst that " cavitation " effect of ultrasonic wave in water is produced, produces high temperature high in bubble
Pressure, after bubbles burst, bubble surrounding liquid pours in the bacterium that bubble is also killed in water with regard to producing the HTHP of local, from
And reach bactericidal effect.Meanwhile, the particle meeting auxiliary ultrasonic in nanometer rotating wash bowl 32 is washed and sterilized, super so as to reach
Washing and sterilized purpose are combined in sound wave cleaning with nanometer rotating wash bowl 32.Both the dirt on washing machine drum wall and bacterium had been removed,
The secondary pollution of clothing is avoided, is realized again and clothing is washed and sterilizing function, so as to reach ultrasonic wave cleaning and nanometer
The washing of the joint of rotating wash bowl 32 and sterilized purpose, thoroughly kill the bacterium on clothing and in bucket, realize health washing, and subtract significantly
The use of few detergent, realizes environment friendly washing.
Although the present invention is described in detail above to have used general explanation and specific embodiment, at this
On the basis of invention, it can be modified or be improved, this will be apparent to those skilled in the art.Therefore,
Without departing from theon the basis of the spirit of the present invention these modifications or improvements, belong to the scope of protection of present invention.
Claims (8)
1. a kind of ultrasonic multi-functional washing machine, the ultrasonic multi-functional washing machine includes multifunction washing machine body, is filled with water
Bucket, ultrasonic generator, heating tube, vibration plate and at least two ultrasonic transducers, the vibration plate include at least one first vibration plates and
At least one second vibration plates, it is characterised in that the ultrasonic transducer is connected with the ultrasonic generator, the multifunctional laundry
The input power of machine body is connected respectively with ultrasonic generator, heating tube；At least one is provided with the base plate of the steel ladle
First window, first vibration plate is fixedly mounted on the base plate of the steel ladle and covers the first window, the Sheng
At least one second windows are provided with the side plate of bucket, second vibration plate is fixedly mounted on the side plate of the steel ladle simultaneously
Second window is covered, the outer surface of first vibration plate and the second vibration plate is installed with least one ultrasonic transduction
Device, the heating tube is arranged on the bottom of the steel ladle.
2. ultrasonic multi-functional washing machine according to claim 1, it is characterised in that the multifunction washing machine body
A nanometer rotating wash bowl is placed with dehydration barrel, the nanometer rotating wash bowl is the nanometer rotating wash bowl of hollow out, puts in the nanometer rotating wash bowl
It is equipped with anionic particle, pH value and adjusts particle and antibacterial granule.
3. ultrasonic multi-functional washing machine according to claim 1, it is characterised in that the first window and the first vibration plate
In sector, the first window is arranged on the edge of the barrel soleplate that is filled with water.
4. ultrasonic multi-functional washing machine according to claim 3, it is characterised in that the ultrasound on first vibration plate is changed
The distance between the curved arrangement of energy device, the two neighboring ultrasonic transducer are equal.
5. ultrasonic multi-functional washing machine according to claim 1, it is characterised in that second window is arranged on described
The bottom of steel ladle side plate.
6. ultrasonic multi-functional washing machine according to claim 1 or 5, it is characterised in that second window and second
The shape of vibration plate is identical, and the ultrasonic transducer on second vibration plate is arranged along linear systematic.
7. ultrasonic multi-functional washing machine according to claim 1, it is characterised in that the vibration plate is metal vibration plate.
8. ultrasonic multi-functional washing machine according to claim 1, it is characterised in that the work frequency of the ultrasonic transducer
Rate is 28KHz-100KHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108004.5A CN106637790A (en) | 2017-02-27 | 2017-02-27 | Ultrasonic multifunctional washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710108004.5A CN106637790A (en) | 2017-02-27 | 2017-02-27 | Ultrasonic multifunctional washing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106637790A true CN106637790A (en) | 2017-05-10 |
Family
ID=58846458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710108004.5A Pending CN106637790A (en) | 2017-02-27 | 2017-02-27 | Ultrasonic multifunctional washing machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN106637790A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523957A (en) * | 2017-08-29 | 2017-12-29 | 青岛海尔智能技术研发有限公司 | Ultrasonic wave self cleaning roller washing machine and method for self-cleaning |
| CN108425211A (en) * | 2018-05-15 | 2018-08-21 | 汪智静 | A kind of washing machine of ultrasonic cleaner |
| CN110004632A (en) * | 2019-04-30 | 2019-07-12 | 广州大学 | A kind of traveling wave type ultrasonic cleaning/dirt separation system and its control method |
| CN110004631A (en) * | 2019-04-30 | 2019-07-12 | 广州大学 | Cleaning and the dirt separation system of traveling wave type ultrasonic are generated using piezoelectric ceramics |
| CN110079970A (en) * | 2019-04-30 | 2019-08-02 | 温锦华 | A kind of cleaning and dirt separation system |
| CN110144694A (en) * | 2019-04-30 | 2019-08-20 | 温锦华 | A kind of ultrasonic cleaning/dirt separation system and its control method |
| CN110485104A (en) * | 2019-09-19 | 2019-11-22 | 苏州佳瓦智能科技有限公司 | A kind of ultrasonic cleaning structure of washing machine |
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| EP0288378A1 (en) * | 1987-04-21 | 1988-10-26 | Jean Blasutti | Ultrasonic waves washing machine |
| CN2744719Y (en) * | 2004-11-23 | 2005-12-07 | 杭州松下家用电器有限公司 | Acoustic wave oscillation type washing machine |
| CN201024326Y (en) * | 2007-02-06 | 2008-02-20 | 章雄辉 | Roller type washing machine possessing ultrasonic wave washing unit |
| CN202347294U (en) * | 2011-11-30 | 2012-07-25 | 柳冠中 | Ultrasonic underwear cleaning equipment |
| CN105200726A (en) * | 2015-10-14 | 2015-12-30 | 海宁市中科新材料有限公司 | Washing ball with cleaning function and manufacturing method thereof |
| CN105671846A (en) * | 2016-03-21 | 2016-06-15 | 福州品行科技发展有限公司 | Ultrasonic washing machine |
| CN205590966U (en) * | 2016-05-07 | 2016-09-21 | 惠而浦（中国）股份有限公司 | Ultrasonic washing machine |
| CN206570555U (en) * | 2017-02-27 | 2017-10-20 | 北京哈密瓜科技有限公司 | A kind of ultrasonic multi-functional washing machine |
-
2017
- 2017-02-27 CN CN201710108004.5A patent/CN106637790A/en active Pending
Patent Citations (8)
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| EP0288378A1 (en) * | 1987-04-21 | 1988-10-26 | Jean Blasutti | Ultrasonic waves washing machine |
| CN2744719Y (en) * | 2004-11-23 | 2005-12-07 | 杭州松下家用电器有限公司 | Acoustic wave oscillation type washing machine |
| CN201024326Y (en) * | 2007-02-06 | 2008-02-20 | 章雄辉 | Roller type washing machine possessing ultrasonic wave washing unit |
| CN202347294U (en) * | 2011-11-30 | 2012-07-25 | 柳冠中 | Ultrasonic underwear cleaning equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107523957A (en) * | 2017-08-29 | 2017-12-29 | 青岛海尔智能技术研发有限公司 | Ultrasonic wave self cleaning roller washing machine and method for self-cleaning |
| CN108425211A (en) * | 2018-05-15 | 2018-08-21 | 汪智静 | A kind of washing machine of ultrasonic cleaner |
| CN110004632A (en) * | 2019-04-30 | 2019-07-12 | 广州大学 | A kind of traveling wave type ultrasonic cleaning/dirt separation system and its control method |
| CN110004631A (en) * | 2019-04-30 | 2019-07-12 | 广州大学 | Cleaning and the dirt separation system of traveling wave type ultrasonic are generated using piezoelectric ceramics |
| CN110079970A (en) * | 2019-04-30 | 2019-08-02 | 温锦华 | A kind of cleaning and dirt separation system |
| CN110144694A (en) * | 2019-04-30 | 2019-08-20 | 温锦华 | A kind of ultrasonic cleaning/dirt separation system and its control method |
| CN110485104A (en) * | 2019-09-19 | 2019-11-22 | 苏州佳瓦智能科技有限公司 | A kind of ultrasonic cleaning structure of washing machine |
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Effective date of registration: 20180420 Address after: 100000 B1-420 1, 88 Nongda South Road, Haidian District, Beijing. Applicant after: Beijing Jing Yi School Technology Co., Ltd. Address before: 100085 02B-322, information block C, seat 28 (two level), Haidian District, Beijing. Applicant before: BEIJING HAMIGUA TECHNOLOGY CO., LTD. |