CN210368347U - Drum washing machine with ultrasonic drum cleaning function - Google Patents

Drum washing machine with ultrasonic drum cleaning function Download PDF

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Publication number
CN210368347U
CN210368347U CN201920509702.0U CN201920509702U CN210368347U CN 210368347 U CN210368347 U CN 210368347U CN 201920509702 U CN201920509702 U CN 201920509702U CN 210368347 U CN210368347 U CN 210368347U
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China
Prior art keywords
barrel
ultrasonic
washing machine
vibration plate
conduction part
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CN201920509702.0U
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Chinese (zh)
Inventor
范迦俊
詹鹏
唐轶锋
郑峰闯
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Panasonic Appliances China Co Ltd
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Panasonic Home Appliances R&D Center Hangzou Co Ltd
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Abstract

The utility model discloses an ultrasonic wave realizes clear drum type washing machine of bucket, including the box with locate outer bucket, interior bucket, supersonic generator, ultrasonic transducer in the box, the board that shakes, ultrasonic transducer passes outer bucket and shakes the board and be connected, shake the board and include towards interior bucket periphery conduction ultrasonic wave vertical conduction portion and towards interior at least one terminal surface conduction ultrasonic transverse conduction portion of bucket, vertical conduction portion fixed connection is in outer bucket interior side wall, transverse conduction portion is arranged in the clearance between outer bucket terminal surface and the interior bucket terminal surface. The utility model discloses a vibrating plate can be to drum type washing machine's the ultrasonic wave of the vertical direction of inside and outside bucket transmission and horizontal direction, and the ultrasonic wave of equidirectional not radiates and produces superimposed cavitation in liquid, and the propagation range of ultrasonic wave is bigger, and the regional distribution of cavitation is wider, and more thorough of impact to can promote the cleaning performance of interior outer bucket.

Description

Drum washing machine with ultrasonic drum cleaning function
Technical Field
The utility model relates to the technical field of household appliances, especially, relate to a clear drum type washing machine of bucket is realized to ultrasonic wave.
Background
The existing self-cleaning roller washing machine with the ultrasonic barrel is generally provided with a vibration plate on the outer wall surface, an ultrasonic transducer is arranged on the vibration plate, the ultrasonic transducer sends ultrasonic waves through an electric signal sent by an ultrasonic generator and transmits the ultrasonic waves to the barrel through the vibration plate, and dirt on the inner barrel and the outer barrel is cleaned by utilizing the cavitation action of the ultrasonic waves.
However, in the existing drum washing machine with the ultrasonic barrel self-cleaning function, the vibration plate for transmitting ultrasonic waves is in a flat plate shape. Because the inner barrel and the outer barrel of the washing machine are of a three-dimensional structure, more than one polluted surface is provided, and the flat-plate-shaped vibrating plate makes ultrasonic cleaning difficult to take all the polluted surfaces into consideration.
SUMMERY OF THE UTILITY MODEL
The utility model provides an ultrasonic wave realizes clear cylinder washing machine of bucket in order to solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model discloses the technical scheme who adopts is:
a roller washing machine realizing barrel cleaning by ultrasonic waves comprises a box body, an outer barrel, an inner barrel, an ultrasonic generator, an ultrasonic transducer and a vibration plate, wherein the outer barrel, the inner barrel, the ultrasonic generator, the ultrasonic transducer and the vibration plate are arranged in the box body, the ultrasonic transducer penetrates through the outer barrel and is connected with the vibration plate, the vibration plate comprises a longitudinal conduction part and a transverse conduction part, the longitudinal conduction part conducts the ultrasonic waves towards the circumferential surface of the inner barrel, the transverse conduction part conducts the ultrasonic waves towards at least one end face of the inner barrel, the longitudinal conduction part is fixedly connected to the inner circumferential side wall.
Preferably, the vibration plate is a connection body structure which is composed of a longitudinal conduction part and a transverse conduction part and has an L-shaped cross section, and the transverse conduction part faces the front end face or the rear end face of the inner barrel.
Preferably, the vibrating plate is a connecting body structure which is composed of a longitudinal conducting part and two transverse conducting parts and has a U-shaped cross section, wherein one transverse conducting part faces the front end face of the inner barrel, and the other transverse conducting part faces the rear end face of the inner barrel.
Preferably, the outer barrel is formed by splicing a first outer barrel and a second outer barrel front and back, a first vibrating plate is fixed on the first outer barrel, a second vibrating plate is fixed on the second outer barrel, the transverse conduction part of the first vibrating plate faces the front end face of the inner barrel, and the transverse conduction part of the second vibrating plate faces the rear end face of the inner barrel; or the outer barrel is of an integrally formed structure.
More preferably, the plurality of vibration plates are uniformly arranged on the inner peripheral side wall of the outer barrel.
Preferably, the surface of the longitudinal conductive part of the vibrating plate facing the inner barrel is a plane or a curved surface.
Preferably, the lower part of the circumferential surface of the outer barrel is provided with an opening, and the ultrasonic transducer passes through the opening and is fixedly connected with the vibrating plate.
Preferably, the ultrasonic transducers are at least two and are arranged at equal intervals along the axial direction of the outer barrel.
Preferably, a waterproof sealing member is arranged between the hole wall of the open hole and the ultrasonic transducer.
Preferably, a waterproof sealing member is arranged between the edge of the end face of the opening and the longitudinal conduction part of the vibrating plate.
Preferably, the vibrating plate is a metal plate, preferably stainless steel.
Preferably, the power of the ultrasonic transducer is 20-100W, and the frequency is 10-50 kHz. The preferred power for the ultrasonic transducer is 50W, with a preferred frequency of 20 kHz.
Compared with the prior art, the utility model discloses a vibrating plate can be to the ultrasonic wave of the inside and outside bucket transmission vertical direction of drum type washing machine and horizontal direction, and the ultrasonic wave of equidirectional radiates and produces superimposed cavitation effect in liquid, and the bubble that the liquid cavitation formed produces high temperature and high pressure when closed, strikes the pollutant and makes the pollutant drop from the washing machine inner and outer bucket. Compare the board and the ultrasonic wave direction of shaking of single direction, the utility model discloses a board and the ultrasonic wave direction of conduction of shaking for ultrasonic wave propagation range is bigger, and cavitation's regional distribution is wider, and more thorough of impact, thereby can effectively promote the cleaning performance of outer bucket in.
Drawings
Fig. 1 is a schematic structural view of a drum washing machine for ultrasonically cleaning a tub according to the present invention;
fig. 2 is a schematic view of a partial structure of the bottom of the drum-type washing machine for cleaning the tub by using ultrasonic waves according to the present invention.
In the figure, 10-box body, 20-outer barrel, 21-first outer barrel, 22-second outer barrel, 30-inner barrel, 31-circumferential surface, 32-front end surface, 33-rear end surface, 40-vibration plate, 41-longitudinal conduction part, 42-transverse conduction part, 50-ultrasonic transducer, 60-ultrasonic generator, 70-sealing ring and 80-screw.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
As shown in fig. 1, the drum washing machine for cleaning a tub by using ultrasonic waves includes a cabinet 10, an outer tub 20, an inner tub 30, an ultrasonic generator 60, an ultrasonic transducer 50, and a vibration plate 40, which are disposed in the cabinet 10, wherein the ultrasonic transducer 50 penetrates through the outer tub 20 and is connected to the vibration plate 40. The vibrating plate 40 includes a longitudinal conductive portion 41 facing the circumferential surface 31 of the inner barrel 30 and conducting ultrasonic waves, and a transverse conductive portion 42 facing at least one end surface (front end surface 32, rear end surface 33) of the inner barrel 30 and conducting ultrasonic waves, wherein the longitudinal conductive portion 41 is fixedly connected to the inner circumferential side wall of the outer barrel 20, and the transverse conductive portion 42 is located in a gap between the end surface of the outer barrel 20 and the end surface of the inner barrel 30.
The ultrasonic generator 60 is a circuit board, the ultrasonic generator 60 and the ultrasonic transducer 50 can be electrically connected through a conducting wire, the ultrasonic transducer 50 receives ultrasonic waves provided by the ultrasonic generator 60 and transmits the ultrasonic waves to the vibrating plate 40, and the ultrasonic waves are high-frequency oscillation signals; the vibration plate 40 can transmit ultrasonic waves to the circumferential surface 31 and at least one end surface of the inner barrel 30, so that the circumferential surface 31, the front end surface 32 and the rear end surface 33 of the barrel can all acquire the ultrasonic waves for ultrasonic cleaning. The circumferential surface 31 of the inner barrel 30, namely the outer surface of the annular wall of the cylindrical inner barrel, is a curved surface, and is generally a cylindrical surface or an elliptic cylindrical surface; the front end face 31 and the rear end face 32 of the inner barrel 30 are respectively the front and rear ends of a cylindrical inner barrel, and are generally circular or elliptical. Among them, the vibrating plate 40 is a metal plate, preferably stainless steel, in order to obtain a better transmission effect.
Thus, the utility model discloses a set up the vibrating plate 40 of L type, can be to the ultrasonic wave of the inside and outside bucket 20 transmission vertical direction of drum type washing machine and horizontal direction, the ultrasonic wave of equidirectional not radiates and produces superimposed cavitation effect in liquid, and the bubble that the liquid cavitation formed produces high temperature high pressure when closed, strikes the pollutant and makes the pollutant drop from the washing machine inner and outer bucket. Compare the board 40 and the ultrasonic wave direction of vibration of unidirectional direction, the utility model discloses a board 40 shapes and the ultrasonic wave direction of conduction vibrate for ultrasonic wave propagation range is bigger, and cavitation's regional distribution is wider, and more thorough of impact, thereby can effectively promote the cleaning performance of interior outer bucket.
The utility model discloses a realize the form, the board that shakes 40 is for constituting and the transversal connection bodily form structure that is the L type of personally submitting by vertical conduction portion 41 and a transversal conduction portion 42, and transversal conduction portion 42 faces preceding terminal surface 32 or rear end face 33 of interior bucket 30. At this time, the longitudinal conductive part 41 of the vibration plate 40 faces the circumferential surface 31 of the inner barrel 30, so that the vibration plate 40 can transmit vertical ultrasonic waves to the circumferential surface 31 of the inner barrel 30; the transverse conducting portion 42 of the vibration plate 40 faces one of the front end surface 32 or the rear end surface 33 of the inner barrel, so that the vibration plate 40 can transmit ultrasonic waves in the horizontal direction to the front end surface 32 or the rear end surface 33 of the inner barrel 30.
In this case, the vibrating plate 40 may be a structural member formed by integrally forming a flange and a bottom side, i.e., the longitudinal conducting portion 41, and a flange, i.e., the transverse conducting portion 42; the vibrating plate 40 may also be an L-shaped structure assembled from two separate pieces. The number of the vibration plates 40 can be one or more, a plurality of vibration plates 40 can form a vibration plate group to realize synchronous or approximately synchronous ultrasonic conduction, and the specific number can be set according to actual needs.
The outer barrel 20 of the present invention can be an integrated structure, and can also be formed by splicing the first outer barrel 21 and the second outer barrel 22. Referring to fig. 1, a first vibration plate is fixed to the first outer tub 21, a second vibration plate is fixed to the second outer tub 22, a transverse conductive portion 42 of the first vibration plate faces the front end surface 32 of the inner tub 30, and a transverse conductive portion 42 of the second vibration plate faces the rear end surface 33 of the inner tub 30. Therefore, when ultrasonic waves are transmitted in the horizontal direction, two gradually-diffused vibration water areas can be synchronously formed, and the cleaning speed in the barrel is accelerated.
In another embodiment of the present invention, the vibration plate 40 is a connection structure having a U-shaped cross section and composed of a longitudinal conduction portion 41 and two transverse conduction portions 42, one of the transverse conduction portions 42 faces the front end face 32 of the inner barrel 30, and the other transverse conduction portion 42 faces the rear end face 33 of the inner barrel 30. The longitudinal conductive part 41 of the vibration plate 40 faces the circumferential surface 31 of the inner barrel 30, so that the vibration plate 40 can transmit vertical ultrasonic waves to the circumferential surface 31 of the inner barrel 30; the two transverse conducting parts 42 of the vibration plate 40 face the front end surface 32 and the rear end surface 33 of the inner barrel 30 respectively, so that the vibration plate 40 can simultaneously transmit ultrasonic waves in the horizontal direction to the front end surface 32 and the rear end surface 33 of the inner barrel 30. In this case, the vibration plate 40 may be a large vibration plate covering the circumferential surface 31, the front end surface 32, and the rear end surface 33 of the inner barrel 30 in one piece to realize three-surface ultrasonic transmission.
The utility model discloses do not limit to the quantity of the board 40 that shakes, the board 40 that shakes can evenly be provided with a plurality ofly on the interior circumference lateral wall of outer bucket 20. For example, each vibration plate 40 has a transverse conductive portion 42 facing the same end surface of the inner barrel 30, and the vibration plates are arranged at equal intervals and at equal angles.
In addition, the surface of the longitudinal conductive part 41 of the vibration plate 40 facing the inner barrel may be a plane or a curved surface to form different ultrasonic wave conduction paths. When the surface of the longitudinal conduction part 41 of the vibration plate 40 facing the inner barrel is a horizontal plane, the ultrasonic waves transmitted by the longitudinal conduction part 41 of each vibration plate 40 are upward parallel; when the surface of the longitudinal conduction part 41 of the vibration plate 40 facing the inner barrel is a plane tangent to the circumferential surface 31 of the inner barrel 30, the directions of the ultrasonic waves transmitted by the longitudinal conduction part 41 of each vibration plate 40 are respectively radial or parallel to the radial direction, so that cross convergence is generated; when the surface of the longitudinal conductive part 41 of the vibration plate 40 facing the inner barrel is a curved surface corresponding to the circumferential surface 31 of the inner barrel 30, the ultrasonic waves transmitted from the longitudinal conductive part 41 of each vibration plate 40 are all in a radial direction, and thus cross convergence is generated.
The mode of fixing the vibration plate 40 on the inner wall of the outer tub 20 may be a screw connection, a snap connection, or other various modes, which is not limited herein.
The number of the ultrasonic transducers 50 may be 1, or 2 or more, and the specific number may be set according to actual needs. The plurality of ultrasonic transducers 50 may be arranged at equal intervals along the axial direction of the outer tub 20, and each ultrasonic transducer 50 may be disposed on the same vibrating plate 40 or different vibrating plates 40.
The ultrasonic transducer 50 can be selected with different powers and frequencies according to different application scenarios, for example, the power value range is 20-100W, and the frequency value range is 10-50 kHz. For better cleaning, an ultrasonic transducer 50 with a power of 50W and a frequency of 20kHz may be chosen.
The utility model discloses an implementation, the lower part of outer bucket 20 periphery is equipped with the trompil, and ultrasonic transducer 50 passes the trompil and shakes board 40 fixed connection. The fixing manner of the ultrasonic transducer 50 penetrating through the opening of the outer tub 20 and the vibration plate 40 may be screw 80 connection and glue, or other manners such as welding, which is not limited herein.
In fig. 2, the lowest portion of the bottom surfaces of the inner walls of the first outer tub 21 and the second outer tub 22 has an opening and two openings, the three openings are linearly arranged at equal intervals, and the three ultrasonic transducers 50 are fixed on the two vibrating plates 40 through the three openings by screws 80 and glue.
In order to prevent water in the tub from leaking out of the opening of the tub, waterproof sealing members may be disposed between the wall of the opening and the ultrasonic transducer 50, between the edge of the end surface of the opening and the longitudinal conductive portion 41 of the vibration plate 40, and the waterproof sealing member may be a sealing ring 70, such as a rubber sealing ring. The sealing ring 70 may be tightly disposed in the gap between the inner wall of the bore and the ultrasonic transducer 50. The joint of the first outer tub 21 and the second outer tub 22 can also be sealed by the sealing ring 70, and the sealing ring 70 can be inserted and stacked.
In addition, a groove may be provided on the inner wall of the bottom of the outer tub 20, and the longitudinal conductive part 41 of the vibration plate 40 is received in the groove. The groove is designed on the outer barrel 20, which can provide enough space for the ultrasonic wave to spread, so that the ultrasonic device has more proper space to play the cleaning function, and further the cleaning effect is improved.
The utility model discloses a theory of operation is: the control panel of the drum washing machine is provided with a 'barrel cleaning' button. When the user clicks the button, the washing machine takes in water to a designated height, and at the same time, the inner tub 30 starts to rotate according to a set special program. At the same time, the ultrasonic generator 60 starts to transmit a high frequency oscillation signal to each ultrasonic transducer 50, and then the ultrasonic waves are diffused into the water through the vibrating plate 40. The ultrasonic wave can produce cavitation effect in aqueous, and the bubble of cavitation can produce high temperature high pressure when closed, strikes the pollutant and makes the pollutant drop from the washing machine inner and outer bucket. The utility model discloses a set up purpose-built board 40 that shakes and make ultrasonic wave propagation range bigger, the board 40 that shakes is nearer apart from interior outer bucket front and back terminal surface, can promote the cleaning performance of interior outer bucket front and back terminal surface.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims (10)

1. The drum washing machine is characterized in that the vibration plate comprises a longitudinal conduction part which conducts ultrasonic waves towards the circumferential surface of the inner barrel and a transverse conduction part which conducts ultrasonic waves towards at least one end face of the inner barrel, the longitudinal conduction part is fixedly connected to the inner circumferential side wall of the outer barrel, and the transverse conduction part is positioned in a gap between the end face of the outer barrel and the end face of the inner barrel.
2. A drum washing machine for realizing barrel cleaning by ultrasonic waves as claimed in claim 1, wherein the vibration plate is a connection body structure having an L-shaped cross section and comprising a longitudinal conduction part and a transverse conduction part, the transverse conduction part facing the front end face or the rear end face of the inner barrel.
3. A drum washing machine for ultrasonically cleaning a tub as claimed in claim 1, wherein the vibration plate is formed of a longitudinal conduction part and two lateral conduction parts and has a U-shaped cross section in a connected structure, wherein one of the lateral conduction parts faces a front end surface of the inner tub and the other lateral conduction part faces a rear end surface of the inner tub.
4. The barrel washing machine with ultrasonic barrel cleaning function as claimed in claim 1, wherein the outer barrel is formed by splicing a first outer barrel and a second outer barrel in front and back, a first vibration plate is fixed on the first outer barrel, a second vibration plate is fixed on the second outer barrel, a transverse conduction part of the first vibration plate faces to the front end face of the inner barrel, and a transverse conduction part of the second vibration plate faces to the rear end face of the inner barrel; or the outer barrel is of an integrally formed structure.
5. A drum washing machine for realizing barrel cleaning by ultrasonic waves as claimed in claim 1, wherein the vibration plate is uniformly provided in plurality on the inner circumferential side wall of the outer tub.
6. A drum washing machine for realizing barrel cleaning by ultrasonic waves as claimed in claim 1, wherein the surface of the longitudinal conduction part of the vibration plate facing the inner barrel is a plane or a curved surface.
7. A drum washing machine for realizing barrel cleaning by ultrasonic waves as claimed in claim 1, wherein the ultrasonic transducers are provided at least two, and the ultrasonic transducers are arranged at equal intervals along the axial direction of the outer barrel.
8. A drum washing machine for cleaning the tub by ultrasonic waves according to claim 1, wherein the outer tub has an opening at a lower portion of a circumferential surface thereof, and the ultrasonic transducer is fixedly connected to the vibration plate through the opening.
9. A drum washing machine with ultrasonic tub cleaning according to claim 8, characterized in that a waterproof seal is provided between the walls of the opening and the ultrasonic transducer.
10. A drum washing machine for realizing barrel cleaning by ultrasonic waves as claimed in claim 8, characterized in that a waterproof sealing member is provided between the end face edge of the opening and the longitudinal conduction part of the vibration plate.
CN201920509702.0U 2019-04-16 2019-04-16 Drum washing machine with ultrasonic drum cleaning function Active CN210368347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920509702.0U CN210368347U (en) 2019-04-16 2019-04-16 Drum washing machine with ultrasonic drum cleaning function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920509702.0U CN210368347U (en) 2019-04-16 2019-04-16 Drum washing machine with ultrasonic drum cleaning function

Publications (1)

Publication Number Publication Date
CN210368347U true CN210368347U (en) 2020-04-21

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Application Number Title Priority Date Filing Date
CN201920509702.0U Active CN210368347U (en) 2019-04-16 2019-04-16 Drum washing machine with ultrasonic drum cleaning function

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114606713A (en) * 2022-03-25 2022-06-10 创维电器股份有限公司 Roller washing machine and self-cleaning method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114606713A (en) * 2022-03-25 2022-06-10 创维电器股份有限公司 Roller washing machine and self-cleaning method thereof

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TR01 Transfer of patent right

Effective date of registration: 20210508

Address after: 310018 No.2, Songqiao street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province

Patentee after: PANASONIC HOME APPLIANCES (CHINA) Co.,Ltd.

Address before: 310018 2-3 / F, building 4, No.2, Songqiao street, Hangzhou Economic and Technological Development Zone, Zhejiang Province

Patentee before: PANASONIC HOME APPLIANCES R&D CENTER (HANGZHOU) Co.,Ltd.